AFFORDABLE RENEWABLE CLEAN Water-to

Wat e r-t o -Wat e r
S P E C I F I C AT I O N C ATA L O G
AFFORDABLE
RENEWABLE
CLEAN
G
SERIES
GSW SPECIFICATION CATALOG
Table of Contents
Model Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
The G Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
Inside the G Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Water Quality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Standard Board - Control Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-10
External Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Standard Control - Panel Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-12
G Series Application Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-19
Physical Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Dimensional Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Antifreeze Correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
AHRI/ISO 13256-2 Performance Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Pressure Drop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Reference Calculations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Legends and Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26-39
Wiring Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40-45
Accessories and Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46-47
Engineering Guide Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48-49
GSW SPECIFICATION CATALOG
Model Nomenclature
1-3
GSW
4-6
050
7
R
8
1
9
0
10
2
11
C
12
N
13-14
SS
15
A
Model
GSW = Single Speed (018-075)
Vintage
A = Current
Capacity
018 MBTUH
025 MBTUH
040 MBTUH
050 MBTUH
060 MBTUH
075 MBTUH
Future Option
SS = Standard Option
Water Connections
N = Standard
Coax
C = Copper
N = Cupronickel
V = Vented (018-025 Copper Source Coax)
Operation
R = Reversible
H = Heating (018-025)**
Controls
2 = Standard
Voltage
0 = 208-230/60/1 (Commercial)
1 = 208-230/60/1 (Residential)
2 = 265/60/1
3 = 208-230/60/3
4 = 460/60/3
5 = 575/60/3
Desuperheater
0 = No Desuperheat, No GeoStart
2 = Desuperheat without factory installed pumps (requires accessory pump kit), No GeoStart*
3 = No Desuperheat, GeoStart
5 = Desuperheat without factory installed pumps (requires accessory pump kit), GeoStart*
NOTES: *Available on 040, 050, 060, and 075 only. HWG requires field installed external pump kit.
**GSW018 and GSW025 heating only models are available only with copper double wall
vented load coax for potable water.
All G Series product is Safety listed under UL1995 thru ETL and performance tested in accordance with standard AHRI/ISO 132562. AHRI does not currently certify water-to-water products under AHRI/ISO 13256-2.
4
GSW SPECIFICATION CATALOG
The G Series
GSW Features
Optional copper vented double
wall coaxial heat exchanger
available on 018 and 025 "heating
only" models
Zero ODP and low GWP
R-410A refrigerant
Optional Hot Water
Generator available on
040-075
Optional GeoStartTM
reduces starting current
by 60-70%
High efficiency copper or
cupronickel coaxial heat
exchangers
Field switchable control
box (end to end) for
application flexibility
Full refrigerant suction
tube, heat exchanger, and
waterline insulation to
prevent condensation at low
loop temperatures
Insulated and corrosion
resistant cabinet to
reduce noise
High efficiency scroll
compressors for improved
reliability
Microprocessor control
with robust safety controls
Dual isolation compressor
mounts to reduce noise and
vibration
Compressor sound blankets
for reduced noise
Standard waterlines out
the back or front (field
switchable via control box)
Captive FPT water connections eliminate
'egg-shaping' backup wrench
5
GSW SPECIFICATION CATALOG
The G Series cont.
High Efficiency
and performance.
• Safety features include high- and low-pressure refrigerant
controls to protect the compressor; hot water high-limit hot water
generator pump shutdown.
The G Series are the highest efficiency units available. Large oversized
water-to-refrigerant heat exchangers and scroll compressors provide
extremely efficient operation. This efficiency means the G Series
requires less loop than any product on the market. This can mean
significant savings on commercial and residential projects.
Easy Maintenance and Service Advantages
• Removable compressor access panels.
• Integrated temperature controls with digital readout and user
interface.
• Quick attach wiring harnesses are used throughout for fast
servicing.
• High and low pressure refrigerant service ports.
Operating Efficiencies
• Environmentally friendly R-410A refrigerant reduces ozone
depletion.
• An optional hot water generator is available on GSW040,
GSW050, GSW060, and GSW075 to generate hot water at
considerable savings while improving overall system efficiency.
• High-stability bidirectional expansion valve provides superior
performance.
• Efficient scroll compressors operate quietly.
• Oversized coaxial tube water-to-refrigerant heat
exchanger increases efficiency.
Options and Accessories
• Optional hot water generator with externally mounted pump and
water heater plumbing connector.
• Closed loop, source side, circulating pump kit
• Closed loop, load side, circulating pump kit
• Water connection kits
• Geo-Storage Tank (80-120 Gal.)
• GeoStartTM
• HydroZone, tank control with outdoor reset
Standard Features
•
•
•
•
•
•
•
•
•
Single phase is available.
Heavy gauge cabinet
Quiet scroll compressors in all models
All interior cabinet surfaces are insulated with 1/2˝ [12.7mm] thick
1-1/2lb [681g] density, surface coated, acoustic type glass fiber
insulation.
Optional GeoStartTM to reduce starting current
Field switchable control box
Ultra-compact cabinet
Multi-density laminate lined compressor blanket designed to
completely surround the compressor on all
six sides and suppress low frequency noise.
Multi-density steel laminate compressor 'mass' base plate
designed to suppress low frequency compressor noise.
Application Flexibility
• Designed to operate with entering source temperature of 25°F
and leaving load temperatures of 40°F to 130°F. See the capacity
tables to see allowable operating conditions per model.
• Source side flow rates as low as 1.5 GPM/ton for well water, 50°F
[10°C] min. EWT.
• Dedicated heating and heat pump models available.
• Dedicated non-reversible models are shipped as
heating only; field convertible to cooling only.
• Modularized unit design and primary/secondary
controls for optimum capacity matching and staging.
• Stackable for space conservation (to a maximum 3 units high).
• Compact size allows installation in confined spaces.
• Front or rear plumbing connections.
• Control Panel location is reversible.
Product Quality
• Heavy-gauge steel cabinets are finished with a durable polyester
powder coat paint for long lasting beauty and service.
• The front access panel of each unit is made of a high-density
non-metallic material.
• All refrigerant brazing is performed in a nitrogen atmosphere.
• The GSW018H and GSW025H are available with load side
copper vented double wall coaxial heat exchangers.
• Coaxial heat exchangers, refrigerant suction lines, hot water
generator, and all water pipes are fully insulated to reduce
condensation problems in low temperature operation.
• Computer controlled deep vacuum and refrigerant charging system.
• All joints are leak detected for maximum leak rate of less than 1/4 oz. per year.
• Computer bar code equipped assembly line ensures all components are correct.
• All units are computer run-tested with water to verify both function
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GSW SPECIFICATION CATALOG
Inside the G Series
Refrigerant
Service Connections and
Serviceability
G Series products all feature zero ozone depletion and low global
warming potential R-410A refrigerant.
Two Schrader service ports are provided for
each unit. The suction side and discharge
side ports are for field charging and
servicing access. All valves are 7/16” SAE
connections.
Cabinet
All units are constructed of corrosion resistant galvanized sheet
metal with powder coat paint rated for more than 1000 hours of
salt spray. Lift-out access panels provide access to the compressor
section from two sides.
4-Way Reversing Valve
Compressors
G Series units feature a reliable all-brass pilot operated refrigerant
reversing valve. The reversing valve operation is limited to change of
mode by the control to enhance reliability.
High efficiency R-410A scroll compressors are used on every model.
Scrolls provide both the highest efficiency available and great
reliability.
Electrical Box
The control panel is "field" movable from front to back for ease of
application. Separate knockouts for low voltage, and two for power
on, front and back, allow easy access to the control box. Large 75VA
transformer assures adequate controls power for accessories.
Water Connections
Flush mount FPT water connection fittings allow one wrench leak-free
connections and do not require a backup wrench. Factory installed
water line thermistors can be viewed through the microprocessor
interface tool.
GeoStartTM
The optional GeoStart single
phase soft starter will reduce the
normal start current (LRA) by 6070%. This allows the heat pump
to go off-grid. Using GeoStart also
provides a substantial reduction
in light flicker, reduces start-up
noise, and improves the compressor's start behavior. GeoStart is
available in a field retrofit kit or as a factory installed option for all
G Series and QT units.
Thermostatic Expansion Valve
All G Series models utilize a balanced port
bidirectional thermostatic expansion valve
(TXV) for refrigerant metering. This allows
precise refrigerant flow in a wide range of
entering water variation (20 to 120°F [-7
to 49°C]) found in geothermal systems.
The TXV is located in the compressor
compartment for easy access.
Water-to-Refrigerant Heat Exchanger Coil
Large oversized coaxial refrigerant-to-water heat exchangers provide
unparalleled efficiency. The coaxes are designed for low pressure
drop and low flow rates. All coaxes are pressure rated to 450 psi water
side and 600 psi on the refrigerant side. Refrigerant-to-water heat
exchangers will be coated with ThermaShield to prevent condensation
in low temperature loop operation.
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GSW SPECIFICATION CATALOG
Water Quality
General
Contaminated Water
GSW water-to-water heat pumps may be successfully applied in
a wide range of residential and light commercial applications. It is
the responsibility of the system designer and installing contractor
to ensure that acceptable water quality is present and that all
applicable codes have been met in these installations.
In applications where the water quality cannot be held to
prescribed limits, the use of a secondary or intermediate heat
exchanger is recommended to separate the unit from the
contaminated water.
The following table outlines the water quality guidelines for unit
heat exchangers. If these conditions are exceeded, a secondary
heat exchanger is required. Failure to supply a secondary heat
exchanger where needed will result in a warranty exclusion for
primary heat exchanger corrosion or failure.
Water Treatment
Do not use untreated or improperly treated water. Equipment
damage may occur. The use of improperly treated or untreated
water in this equipment may result in scaling, erosion, corrosion,
algae or slime. The services of a qualified water treatment
specialist should be engaged to determine what treatment, if any,
is required. The product warranty specifically excludes liability for
corrosion, erosion or deterioration of equipment.
The heat exchangers and water lines in the units are copper
or cupronickel tube. There may be other materials in the
building’s piping system that the designer may need to take into
consideration when deciding the parameters of the water quality.
If an antifreeze or water treatment solution is to be used, the
designer should confirm it does not have a detrimental effect on
the materials in the system.
Water Quality Guidelines
Material
Copper
90/10 Cupro-Nickel
pH
Acidity/Alkalinity
7- 9
7-9
7-9
Scaling
Calcium and Magnesium Carbonate
(Total Hardness) less than 350 ppm
(Total Hardness) less than 350 ppm
(Total Hardness) less than 350 ppm
Hydrogen Sulfide
Less than .5 ppm (rotten egg smell
appears at 0.5 PPM)
10 - 50 ppm
Less than 1 ppm
Less than 200 ppm
Sulfates
Less than 125 ppm
Less than 125 ppm
Chlorine
Less than .5 ppm
Less than .5 ppm
Less than .5 ppm
Chlorides
Less than 20 ppm
Less than125 ppm
Less than 300 ppm
Carbon Dioxide
Less than 50 ppm
10 - 50 ppm
10- 50 ppm
Ammonia
Less than 2 ppm
Less than 2 ppm
Less than 20 ppm
Ammonia Chloride
Less than .5 ppm
Less than .5 ppm
Less than .5 ppm
Ammonia Nitrate
Less than .5 ppm
Less than .5 ppm
Less than .5 ppm
Ammonia Hydroxide
Less than .5 ppm
Less than .5 ppm
Less than .5 ppm
Ammonia Sulfate
Less than .5 ppm
Less than .5 ppm
Less than .5 ppm
Total Dissolved Solids (TDS)
Less than 1000 ppm
1000-1500 ppm
1000-1500 ppm
LSI Index
+0.5 to -.05
+0.5 to -.05
+0.5 to -.05
< .2 ppm
< .2 ppm
< .2 ppm
Less than 1 ppm. Above this level
deposition will occur.
Less than 1 ppm. Above this level
deposition will occur.
Corrosion
Iron, Fe2+ (Ferrous)
Bacterial Iron Potential
Iron Fouling
(Biological Growth)
Iron Oxide
Suspended Solids
Erosion
Threshold Velocity (Fresh Water)
Grains = PPM divided by 17
316 Stainless Steel
•
Less than 1 ppm. Above this level
deposition will occur.
Less than 10 ppm and filtered for max of Less than 10 ppm and filtered for max of Less than 10 ppm and filtered for max of
600 micron size
600 micron size
600 micron size
< 6 ft/sec
< 6 ft/sec
mg/l is equivalent to PPM
< 6 ft/sec
2/8/08
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GSW SPECIFICATION CATALOG
Standard Board - Control Features
Anti Short Cycle Time
Test Mode
The anti short cycle time consists of a three minute minimum “off”
time plus a randomly chosen 0-2 minute additional “off” delay.
The random delay is chosen by the control after each compressor
shut down. The 3-5 minute startup delay is applied after all
compressor shutdowns and also to system startups due to ac
power interruption.
Connection of a jumper wire from chassis ground to P3 will place
the control in the test mode. This shortens most timing delays
for faster troubleshooting. In the Primary Mode the control will
respond immediately if a demand is present. The anti-short cycle
delay is replaced by a 10 second pump and compressor on delay.
Minimum compressor run time becomes 15 seconds. Test mode
will remain in effect for a maximum of 15 minutes at any one time
should the jumper remain in place.
Safety Controls
The control board receives separate signals for a high pressure
switch for safety, low pressure switch to prevent loss of charge
damage, and a low suction temperature for freeze detection.
Upon a 30-second measurement of the fault (immediate for high
pressure), compressor operation is suspended and the fault will be
shown on the display.
Fault Conditions
There are two classes of faults, retry faults and no retry faults.
Retry faults allow the system to try 2 additional times to establish
operation before displaying the fault condition and entering lockout.
No-Retry Faults prevent compressor operation for the duration of
the fault. If the fault activity ceases while the system is inactive, the
fault code is cleared from the display and operation is permitted.
Setpoint Temperature Ranges
In Primary mode, the heating temperature setpoint range is
adjustable from 60°F (15.5°C) to 130°F (54.4°C) with an adjustable
deadband range of 1° - 15°F. The cooling setpoint temperature is
adjustable from 0° (-17.7°C) to 85°F (29.4°C) with a fixed nonadjustable deadband of 5°F.
Retry Faults
High pressure, low pressure and freeze detection faults are
retried twice before locking the unit out and displaying the
fault condition.
High Pressure (HP)
Compressor operation will be disabled immediately when the
normally closed high-pressure switch is opened momentarily
(set at 600 psi). The LED display shall read “HP” only when
the control has completed two retries, and is in lockout. The
pump continues to operate throughout the retry period.
Load Pump Control
There are two options for controlling the load pump, Pump
Sampling (PS) or Continuous Pump (C), and these are selectable
in the service Menu.
Pump Sampling (PS)
In Primary Mode, the control operates on a 10 minute sample
cycle in which the load pump is turned on and run to obtain a
meaningful sample of the temperature the load is presenting.
If the water temperature measured after the pump has been
on for PS minutes (selected and adjusted from the Service
Menu) is outside the user selectable deadband amount, dB
(also selected and adjusted from the Service Menu), the
compressor is turned on and Heating or Cooling is initiated. If
the water temperature is within the deadband of the set point
when sampled, the pump shuts off and is idle for (10 – PS)
minutes when it starts another PS minute sample period. For
example, if the PS setting is two minutes, the pump will run for
2 minutes before sampling the load temperature. If the water
temperature is within the selected dead band temperature
of the set point, the pump will shut off for 10 – 2 = 8 minutes
before beginning another pump sampling cycle. Heating
deadband is selectable in the Service Menu while the Cooling
deadband is non-adjustable and fixed at 5°F.
Low Pressure (LP)
Compressor operation will be disabled when the normally
closed low-pressure switch (set at 40 psi) has opened for 30
continuous seconds (if the bypass period has been satisfied).
The Low Pressure switch is bypassed (ignored) for two
minutes after startup. The LED display shall read “LP” only
when the control has completed two retries, and is in lockout.
The pump continues to operate throughout the retry period.
Freeze Detection (FP)
Compressor and loop pumps will be disabled if the control
senses that the refrigerant loop temperature drops below the
FP value (set in the service menu) for 30 continuous seconds
(if the bypass period has been satisfied). If the compressor
and the loop pump outputs are disabled because of this
condition, the LED display shall read “FP.” There is a two (2)
minute by-pass timer for the freeze detection at compressor
start up.
No-Retry Faults
High Temperature, Water Temperature Probe Open, Water
Temperature Probe Closed and Brown Out faults prevent
compressor operation for the duration of the fault. If the fault
activity ceases while the system is inactive, the fault code is
cleared from the display and operation is permitted.
Continuous Pump Mode (C)
If continuous pump mode (PS=C In Service Menu) is selected,
the control will respond immediately to a recognized call or
termination of call for heat or cool subject to minimum run times
and anti short cycle delays.
High Temperature
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GSW SPECIFICATION CATALOG
Standard Board - Control Features cont.
Compressor operation will be disabled when the control
senses an entering load side water temperature of 130° F
regardless of mode.
Brown-Out (B0)
All operation will be disabled when the control voltage falls
below 18VAC for 10-15 continuous seconds.
Water Temperature Probe Open (PO)
Compressor and pump operation will be disabled when the
control senses that the water probe is open or has infinite
resistance. The LED display shall read “PO.”
Resetting Lockouts
To reset any lockout condition, place the unit into the standby
mode for at least 5 seconds. After the lockout has been reset, the
fault display will be turned off. Cycling control power will also clear
the display. Non-Retry Faults must be cleared for the display and
lockout to clear.
Water Temperature Probe Closed (HC)
Compressor and pump operation will be disabled when
the control senses that the water probe is closed or has no
resistance. The LED display shall read “HC.”
Power Down (power outage)
The controller will store its Service Menu settings and current
Mode selection in non-volatile memory so that these settings are
retained through any power outage. Current operating conditions
are not stored and the controller must evaluate its current
conditions.
Freeze Detection Probe Open (dO)
Compressor and pump operation will be disabled when the
control senses that the freeze detection probe is open or has
infinite resistance. The LED display shall read “dO.”
Freeze Detection Probe Closed (dC)
Compressor and pump operation will be disabled when the
control senses that the freeze detection probe is closed or has
no resistance. The LED display shall read “dC.”
External Control
Primary Mode
Secondary Mode
In dedicated heating or cooling units, the unit is controlled by
the internal controller. Compressor output is determined by the
entering load-side water temperature.
In dedicated heating or cooling units, secondary mode allows the
unit to be controlled by an external source. Compressor output is
determined by the Y1 input only.
The secondary output will be energized if two conditions occur:
1. The initial temperature is greater than IC away from the set
point.
2. The change in temperature in a given period of time P is less
than d.
The secondary output will be energized after the following
condition occurs:
In a reversible unit, the unit is controlled by the internal controller.
Compressor output is determined by the entering load-side
water temperature. For reversible units, the jumper wire must be
positioned across terminals 6 and 7, (factory default set to this
position). Reversible units do not have a secondary output.
In reversible units, secondary mode allows the unit to be controlled
by an external source. Compressor output is determined by the
Y1 input and the reversing valve is determined by the O input.
In reversible units, the jumper wire must be positioned across
terminals 5 and 6. Reversible units do not have a secondary input.
NOTES: SL in the configuration menu must be set to 0, (factory
default). All parameters should be checked for each application on
primary unit, (refer to the parameter table).
NOTES: SL in the configuration menu must be set to 1. P and d
must be setup for each secondary unit.
1. The change in temperature in a given period of time P is less
than d.
WARNING: Reversible units cannot be staged.
10
GSW SPECIFICATION CATALOG
Standard Board - Panel Configuration
Control Panel
The control panel allows you to access the service menu on the
unit. The control panel has three 7-segment LED screens that
display the:
• Water temperature
• Configuration menu
There are six (6) LED indicators that indicate when the
SECONDARY OUTPUT is active or the unit is on one of the
following modes:
• Standby Mode
• Heating Mode
• Cooling Mode
• Primary (Master) Mode
The control panel has both UP and DOWN (arrow) buttons
and a MODE button. The UP and DOWN buttons allow you to
change the set point or scroll through the configuration menu. The
MODE button allow you to change mode as well as enter and exit
parameters while in configuration mode.
Control Panel Configuration
The configuration menu allows you to properly set and adjust all of
the unit’s operating parameters to fit your application.
Changing the Setpoint
1. Pressing the UP or DOWN arrow once will display the setpoint.
2. The setpoint will flash.
3. When the setpoint is flashing, the UP and DOWN arrow will
change the setpoint by one degree.
4. In Primary mode, the heating temperature setpoint range
is adjustable from 60°F (15.5°C) to 130°F (54.4°C) with an
adjustable deadband range of 1° - 15°F. The cooling setpoint
temperature is adjustable from 0° (-17.7°C) to 85°F (29.4°C)
with a fixed non-adjustable deadband of 5°F.
To enter configuration mode and configure parameters, follow
these procedures:
1. Hold down both the UP and DOWN buttons simultaneously for
five seconds, or until the LED screen displays “LC”.
2. Press the UP or DOWN arrow until “50” is displayed.
3. Press the MODE button. The screen should display “SC” to
indicate the controller is in configuration mode.
4. Once in configuration mode, press the UP or DOWN arrow to
scroll through the menu.
5. Press the MODE button to enter the parameter. (Refer to the
parameter table below for a list of configurable parameters.)
6. Once in the parameter, press the UP or DOWN arrow to change
the parameter.
7. Press the MODE button to return to the main menu.
NOTE: The controller will exit the configuration mode after 30
seconds if no key is pressed.
11
GSW SPECIFICATION CATALOG
Standard Board - Panel Configuration cont.
Remote Aquastat Secondary Mode (Y1)
In secondary mode the compressor output is determined by an external aquastat. The compressor shall engage 10 seconds after the Y1
call has been received. The compressor shall de-activate 10 seconds after the Y1 has been removed. The secondary output is controlled
by a Derivative Controller. If the change in the water temperature is less than a selected value (d) in a selected period of time (P), the
secondary output shall activate.
Parameter Functions and Settings
Parameter
SC
dB
CF
FP
SL
IC
Description
Factory
Setting
Range
Increments
Calibrate
the Water
Sensor
This will allow the temperature displayed to be adjusted
to match a temperature reading from an external
source.
0°
-9° to 10°
1
Dead Band
(Heating)
This parameter is used to determine when the
compressor should be activated. If the temperature
is below the setpoint minus the dB value (in heating
mode) then the compressor will activate. The cooling
deadband is fixed at 5°F and non-adjustable.
1°F
1° to 15°
1
Celsius/
Fahrenheit
Selection
This parameter selects the units for which the
temperature will be displayed.
F
F or C
N/A
Freeze
Detection
There are three settings for this parameter; OL, CL, and
P. OL is the open loop setting which corresponds to
32°F (0°C). CL is the closed loop setting which is 15°F
(-10°C). P is the process setting which is 5°F (-15°C).
32°F
P,CL,OL
N/A
Primary/
Secondary
Setting
Primary mode utilizes an internal aquastat to determine
the activity of the compressor. In secondary mode
the compressor output is determined by an external
aquastat.
0
(Primary)
0 or 1
1 = Secondary
0 = Primary
Initial
Condition
This parameter is used to determine the state of the
secondary output of the primary unit. If the actual water
temperature is greater than the IC value away from the
set point, the secondary output will be activated.
10°
0° to 20°
1°
Derivative
This parameter is used to determine the state of the
secondary output of the primary and secondary unit. If
the change in temperature is less than the d value the
secondary output will activate.
1°F
0° to 5°
1°
Function
d
P
PS
Fd
Period
This determines how often the derivative will be
calculated.
5 min
1 to 5 min
1 min
Pump
Sampling
Time
Selection
This parameter determines how long the pump is
activated before the controller takes a sample of the
water temperature. The range of this parameter is from
1 to 5 minutes and is factory set to 3 minutes. The
pump can also be set to run continuously when PS is
set to C.
3 min
1 to 5 min
or C
1 min
Freeze
Detection
Display
This displays the current temperature of the freeze
detection sensor.
N/A
0° to 130°
N/A
12
GSW SPECIFICATION CATALOG
G Series Application Notes
The Closed Loop Heat Pump Concept
system shut-down. Conditions remain comfortable since each unit
operates separately, allowing cooling in one area and heating in
another. Tenant spaces can be finished and added as needed.
Power billing to tenants is also convenient since each unit can be
individually metered: each pays for what each uses. Nighttime and/
or weekend uses of certain areas are possible without heating or
cooling the entire facility. A decentralized system also means if one
unit should fault, the rest of the system will continue to operate
normally, as well as eliminating air cross-contamination problems
and expensive high pressure duct systems requiring an inefficient
electric resistance reheat mode.
The basic principle of a water source heat pump is the transfer
of heat into water from the space during cooling, or the transfer
of heat from water into the space during heating. Extremely high
levels of energy efficiency are achieved as electricity is used only
to move heat, not to produce it. Using a typical G Series, one unit
of electricity will move four to five units of heat.
When multiple water source heat pumps are combined on a
common circulating loop, the ultimate in energy efficiency is
created: The G Series units on cooling mode are adding heat
to the loop which the units in heating mode can absorb, thus
removing heat from the area where cooling is needed, recovering
and redistributing that heat for possible utilization elsewhere in
the system. In modern commercial structures, this characteristic
of heat recovery from core area heat generated by lighting, office
equipment, computers, solar radiation, people or other sources, is
an important factor in the high efficiency and low operating costs of
G Series closed source heat pump systems.
The G Series Approach
There are a number of proven choices in the type of G Series
system which would be best for any given application. Most often
considered are:
Closed Loop/Ground Source
Vertical
Return Water
Heater/
Rejector
G Series
Unit
G Series
Unit
G Series
Unit
G Series
Unit
G Series
Unit
G Series
Unit
Pumps
Supply Water
In the event that a building's net heating and cooling requirements
create loop temperature extremes, G Series units have the
extended range capacity and versatility to maintain a comfortable
environment for all building areas. Excess heat can be stored
for later utilization or be added or removed in one of three ways;
by ground-source heat exchanger loops: plate heat exchangers
connected to other water sources, or conventional cooler/boiler
configurations. Your sales representative has the expertise and
computer software to assist in determining optimum system type
for specific applications.
Closed Loop/Ground-Source Systems utilize the stable
temperatures of the earth to maintain proper water source
temperatures (via vertical or horizontal closed loop heat
exchangers) for G Series extended range heat pump system.
Sizes range from a single unit through many hundreds of
units. When net cooling requirements cause closed loop water
temperatures to rise, heat is dissipated into the cooler earth
through buried high strength plastic pipe "heat exchangers."
Conversely if net space heating demands cause loop heat
absorption beyond that heat recovered from building core areas,
the loop temperature will fall causing heat to be extracted from the
earth.
The Closed Loop Advantage
A properly applied water source heat pump system offers many
advantages over other systems. First costs are low because
units can be added to the loop on an "as needed basis"- perfect
for speculative buildings. Installed costs are low since units are
self-contained and can be located adjacent to the occupied
space. Maintenance can be done on individual units without
13
•
GSW SPECIFICATION CATALOG
G Series Application Notes cont.
In cooling dominated structures, the ground-source surface water
systems can be very cost effective especially where local building
codes require water retention ponds for short term storage of
surface run-off. Sizing requirements for the surface water is a
minimum of 500 sq. ft./ton of surface area at a minimum depth of 8
feet. Your sales representative should be contacted when designs
for heating dominated structures are required.
Because auxiliary equipment such as a fossil fuel boiler and
cooling tower are not required to maintain the loop temperature,
operating and maintenance costs are very low. Ground-source
systems are most applicable in residential and light commercial
buildings where both heating and cooling are desired, and on
larger envelope dominated structures where core heat recovery
will not meet overall heating loads. Both vertical and horizontally
installed closed-loops can be used. The land space required for
the "heat exchangers" is 100-250 sq. ft./ton on vertical (drilled)
installations and 750-1500 sq. ft./ton for horizontal (trenched)
installations. Closed loop heat exchangers can be located under
parking areas or even under the building itself.
Closed Loop/Ground Water
Plate Heat Exchanger
On large multi-unit systems, sizing the closed loop heat exchanger
to meet only the net heating loads and assisting in the summer
with a closed circuit cooling tower may be the most cost effective
choice.
Closed Loop/Ground Source
Surface Water
Closed Loop/Ground Water Plate Heat Exchanger
Systems utilize lake, ocean, well water or other water sources
to maintain closed loop water temperatures in multi-unit G Series
systems. A plate frame heat exchanger isolates the units from any
contaminating effects of the water source, and allows periodic
cleaning of the heat exchanger during off peak hours.
Operation and benefits are similar to those for ground-source
systems. Closed loop plate heat exchanger systems are applicable
in commercial, marine, or industrial structures where the many
benefits of a water source heat pump system are desired,
regardless of whether the load is heating or cooling dominated.
Closed Loop/Ground-Source Surface Water Systems also
utilize the stable temperatures of Surface Water to maintain
proper water source temperatures for G Series extended range
heat pump systems. These systems have all of the advantages of
horizontal and vertical closed loop systems.
14
GSW SPECIFICATION CATALOG
G Series Application Notes cont.
Closed Loop
Cooler - Boiler
Closed Loop /Cooler-Boiler Systems utilize a closed heat
recovering loop with multiple water source heat pumps in the more
conventional manner. Typically a boiler is employed to maintain
closed loop temperatures above 60°F and a cooling tower to
maintain loop temperatures below 90°F. These systems are
applicable in medium to large buildings regardless of whether the
load is heating or cooling dominated.
GSW Typical Application Piping
30 PSI
RELIEF VALVE
Pressure
Gauge
Back Flow Preventer /
Pressure Relief Valve
Air
Vent
Expansion
Tank
LOAD PUMP
HYDRONIC
LOAD
Air
Separator
Dielectric
Unions
COLD
HOT
GEO
STORAGE
TANK
PUMP
DOMESTIC
Dip Tube
TO
DSH
FROM
DSH
Source OUT
Dielectric
Unions
Vent Valve/
P/T Port**
1-1/2˝
FPT
P/T Ports
Ball Valve
P/T Ports
Source IN
Ball Valve
GSW
NOTES:
* A 30 PSI pressure relief valve (Part No: SRV30) should be used in
hydronic applications.
** Vent valve or P/T port at highest point in return line prior to ball valve.
15
GSW SPECIFICATION CATALOG
G Series Application Notes cont.
Baseboard Radiation
Heating with hot water is versatile because there are many ways
of distributing the heat through the building. The options range
from heavy cast iron radiators seen in older buildings to modern,
baseboard-style convection radiation, and from invisible radiant
floor heating to forced air systems using fan coil units.
In existing systems, baseboard radiation is typically designed to
operate with 160° to 240°F water or steam. Baseboard units are
typically copper pipe with aluminum fins along the length of the
pipe, as shown in Figure 2. A decorative cover is normally fitted
over the fin tube.
A boiler is often used to make domestic hot water and to heat
swimming pools or hot tubs.
The operation of a baseboard radiation system depends on setting
up a convection current in the room: air is warmed by the fin tube,
rises and is displaced by cool air.
The various distribution systems have all been used successfully
with a geothermal heat pump system. When designing or
retrofitting an existing hydronic heating system, however, the water
temperature produced by the heat pump is a major consideration.
The heating capacity of a baseboard system is a factor of the area
of copper tube and fins exposed to the air and the temperature
difference between the air and the fin tube. The velocity and
volume of water flowing through the baseboard affects the
temperature of the copper and fins. Baseboard units are normally
rated in heat output/length of baseboard at a standard water
temperature and flow. Manufacturers can provide charts which will
give the capacities at temperatures and flows below the standard.
Figure 3 shows approximate heating capacities for fin tube
radiation using water from 100 to 130°F water.
In general, heat pumps are not designed to produce water above
130°F. The efficiency decreases as the temperature difference (ΔT)
between the heat load (generally the earth loop) and the supply water
(to the distribution system) increases. Figure 1 illustrates the effect of
source and load temperatures on the system. The heating capacity
of the heat pump also decreases as the temperature difference
increases.
When using the various types of hydronic heat distribution systems,
the temperature limits of the geothermal system must be considered.
In new construction, the distribution system can easily be designed
with the temperature limits in mind. In retrofits, care must be taken to
address the operating temperature limits of the existing distribution
system.
Baseboards are available using two or three fin tubes tiered above
one another in the same cabinet. With the additional surface area,
the air can be heated enough to set up a convection current with
water temperatures as low as 110° to 130°F (see Figure 3).
It is important to ensure that the heat output of the system is adequate
to meet the heat loss of the room or building at the temperatures the
geothermal system is capable of producing.
Figure 1: As the ΔT increases, the Coefficient of Performance
(COP) decreases. When the system produces 130°F water from
a 30°F earth loop, the ΔT is 100°F, and the COP is approximately
2.5. If the system is producing water at 90°F, the ΔT is 60°F and the COP rises to about 3.8, an increase of over 50%.
Baseboard radiation is limited to space heating. Cooling is typically
provided by a separate, forced air distribution system.
Figure 2: Baseboard radiators are typically constructed of copper
tube with closely spaced aluminum fins attached to provide more
surface area to dissipate heat. Some of the factors affecting
the amount of heat given off by fin tube radiators are the water
temperature, water velocity, air temperature, and fin spacing and
size.
10
COP
8
6
Aluminum Fins
4
2
Enclosure
0
0
20
40
60
80
Copper Tube
100
Fin Tube
Temperature Difference
16
GSW SPECIFICATION CATALOG
G Series Application Notes cont.
The heating capacity (Btuh/linear foot) of baseboard radiators
drop as the water temperature is reduced. The heating capacity
of most baseboard radiators is rated using 200°F water, 65°F air
temperature. Listed in Figure 3 is the range of heating capacities of baseboard radiators at the standard temperatures and the
range of capacities when the temperatures are reduced to the
operating range of a heat pump system. Some of the factors that
affect the capacity of a radiator are:
• Size of the fins - range from 2.75” x 3” to 4” x 4”
• Fin spacing - 24 to 48/foot
• Diameter of copper tube - range from .75” to 2”
• Fin material - aluminum or steel
• Configuration and height of the enclosure
• Height unit is mounted from the floor
• Water flow through the radiator
Figure 4: Baseboard System
Generally, the smaller fins with fewer fins/foot will have lower
heating capacity. Larger copper tube diameter and aluminum fins
will have a higher capacity. Higher water flow will increase capacity. Adding a second fin tube to the same enclosure will increase
the capacity by 50 to 60%. Adding two fin tubes will increase the
capacity by 75 to 80%.
Radiant floor heating has been the system of choice in many parts
of Europe for some time. Manufacturers have developed tubing
designed for installation in concrete floors and raised wood floors.
Steel
Radiator
Hot
Water
Radiators in various
configurations and sizes
Radiant Floor Heating
Floor heating systems have several benefits in residential,
commercial and industrial heating applications. In a building with a
radiant floor heating system, the entire floor acts as a heat source
for the room. People feel comfortable with lower air temperatures
if their feet are warm. Typically the space will feel comfortable with
air temperatures as low as 65°F. Since the heat loss of a building
is directly related to the temperature difference (ΔT) between the
inside and outside, a lower ΔT means the heat loss is lower.
Figure 3: Heating output per linear foot
Entering Air Temperatures
Average
Water Temp.
55°F
65°F
70°F
110°F
190-380
160-320
150-300
120°F
240-480
205-410
195-390
130°F
295-590
265-532
245-490
Air temperatures in a room with a forced air heating system tend to
be warmer nearer to the ceiling than the floor (see Figure 5). The
hot air rises and creates a greater pressure imbalance between the
inside and outside. The infiltration increases, resulting in a higher
heat loss. Air temperatures in a room with radiant floor heating
tend to be warmer at the floor than the ceiling, helping to cut down
on infiltration in the building. The energy savings in a building with
radiant floor heating can range from 10 to 20%.
Cast Iron Radiation
Retrofit applications for hydronic/geothermal heat pump systems
are often required to work with existing cast iron radiators or their
replacements (see Figure 4). Typically, cast iron radiator systems
operate with water temperatures of 125° to 160°F.
Figure 5: Temperature Comparison
These temperatures are higher than geothermal water-to-water
heat pumps are capable of providing. Cast iron radiators can work
with geothermal systems, provided the heat output of the radiators
will meet the maximum heat loss of the building at the lower
temperatures.
If the insulation of the building has been upgraded since the
original installation, it is possible that the lower temperatures will
be able to meet the reduced heat loss of the building.
17
GSW SPECIFICATION CATALOG
G Series Application Notes cont.
Fan Coil Units and Air Handlers
A floor heat system can be designed to heat a building with water
temperatures as low as 90°F.
Fan coil units, air handlers, force flow units, etc. are all basically
a hot water radiator or coil (usually copper piping with aluminum
fins) with a fan or blower to move the air over the coil (see Figure
6). The term “fan coil units” typically applies to smaller units that
are installed in the zone or area in which heating (or cooling)
is needed. They are available in many different configurations,
sizes and capacities. Fan coil units are designed to be connected
to a ductwork system and can be used to replace a forced air
furnace. Other units are designed for use without ductwork and
are mounted in a suspended ceiling space with only a grill showing
in place of a ceiling tile. Some can be mounted on a wall under a
window, projecting 8” to 10” into the room or even flush to the wall
surface, mounted between wall studs. Some are available with or
without finished, decorative cabinets. For industrial applications,
inexpensive “unit heaters” are available, with only a coil and an
axial fan. Fan coil units and unit heaters are normally available
with air handling capacities of 200 to 2,000 cfm.
Figure 1 shows how a geothermal system operates more efficiently
with a lower ΔT between the source and the load. With only a
60°F temperature difference, a geothermal heat pump will operate
at COPs over 4, about 20% higher than a forced air geothermal
system in the same installation.
Some of the factors affecting the heating capacity of a floor heating
system are as follows:
• The type of finish flooring
• The spacing of the pipe
• The water flow through the pipe
• The temperature of the supply water
• The floor material (wood, concrete or poured Gypcrete™)
• Insulation value under the floor
• The piping layout
The spacing of the pipe in residential applications can
vary from 4” to 12”. If the spacing is too large, the temperature of
the floor can vary noticeably. In industrial applications, variation
in the floor temperature is not as important, and the spacing is
related directly to the heat output required.
The term “air handler” normally applies to larger units, mounted
in mechanical rooms, mechanical crawl spaces or rooftops. They
typically have an air handling capacity of over 2,000 cfm and
are available for capacities of up to 50,000 cfm. Air handlers are
typically built for a specific installation and are available with many
different types of heating and cooling coils. They can include
additional coils for heating make-up air, dehumidification and
exhaust air heat recovery.
Radiant floor heating systems work well with geothermal heat
pump systems. For efficient operation, the system must be
designed with the lowest possible water temperatures.
Fan coils and air handlers typically have one or two coils and a
blower. Air is heated by hot water circulated through the hot water
coil. Chilled water is circulated through the coil if air conditioning
is needed. Blowers can be provided to fit various applications,
with or without duct-work. Unit heaters typically use axial fans in
applications where ductwork is not needed.
There are some drawbacks with a radiant floor heating system.
Air conditioning is only possible by adding a second system using
forced air. This can add substantial cost to an installation where
air conditioning is also needed. A separate air handling system is
needed to clean the air or to introduce fresh air.
Industrial buildings, especially those with high ceilings and large
overhead doors, have an advantage with a radiant floor heating
system. Heat is stored in the concrete floor, and when a door is
opened, the stored heat is immediately released to the space.
The larger the ΔT between the air in the space and the floor, the
quicker the floor releases its heat to the space.
Fan coil units and air handlers are used in many different
applications. They have been used to heat buildings using water
temperatures as low as 90° to 100°F. New systems can be
designed to operate very efficiently with a geothermal system.
Maintenance garages benefit from radiant floor heating systems.
Cold vehicles brought into the garage are warmed from
underneath. The snow melts off the vehicle and dries much more
quickly than when heated from above.
Some pipe manufacturers include an oxygen diffusion barrier in
the pipe to prevent oxygen diffusion through the
pipe. Good system design and careful installation, however, will
eliminate virtually all of the problems encountered
with air in the system. Like earth loop design, it is important to
design the system to facilitate flushing the air initially and ensuring
that the flows can be balanced properly.
18
GSW SPECIFICATION CATALOG
G Series Application Notes cont.
Controls
Figure 6: Fan Coils
Blower
Chilled Water Coil
The control of a mechanical system determines how it functions.
For the building to work efficiently and comfortably, the building
owner or manager must understand what the system is doing and
how to control it.
As Figure 1 shows, the efficiency of a heat pump is a factor of the
difference in temperature between the source and the load. The
heat loss or heat gain of a building varies with the weather and
the use of the building. As the outdoor temperature decreases,
the heat loss of the building increases. When the ventilation
system is started up, the heating or cooling loads increase. As the
occupancy increases, lighting or the solar gain increases, and the
cooling load increases. At times the building may require virtually
no heating or cooling.
Hot Water Coil
Cooling with a Hydronic System
Cooling a building with an existing radiant hydronic heating
system can be a challenge. If baseboard, cast iron radiators or a
radiant floor heating system is cooled lower than the dew point,
condensation will form on the floor or drip off the radiators.
With hydronic heating and cooling distribution equipment, whether
it is baseboard radiation, fan coil units or radiant floor heating, the
output of the equipment is directly related to the temperature and
velocity of the water flowing through it. Baseboard radiation puts
out approximately 50% less heat with 110°F water than with 130°F
water. The same is true with fan coil units and radiant floor heating.
There is generally minimal or no ductwork for ventilation in existing
buildings with radiant hydronic heat. Typically, cooling is provided
with separate units where it is needed. This is often done using
through-the-wall or window air conditioners, ductless split air
conditioning units, or rooftop units.
If a system is designed to meet the maximum heat loss of a
building with 130°F water, it follows that if the heat loss is 50%
lower when the outdoor temperature is higher and the building has
high internal gains because of lighting and occupancy, the lower
heat loss can be met with 110°F water. This greatly increases the
COP of the heat pumps.
A water-to-water heat pump system can provide water to ducted
or unducted fan coil units. The system can provide chilled water to
cool the building, as well as hot water for the heating system when
needed.
A limited amount of cooling can be done by circulating chilled water
through the piping in the floor. This can be effective in buildings
with high solar loads or lighting loads, where much of the heat
gain is radiant heat being absorbed by the floor. Cooling fresh air
used for ventilation as it is brought into the building, using a chilled
water coil, can sometimes provide the additional cooling needed.
Care must be taken to avoid cooling the floor below the dew point
because condensation may form on the floor.
The same control strategy is equally effective in cooling. During
peak loads, water chilled to 40°F may be needed; at other times
55°F water will provide adequate cooling. Significant increases in
the EER can be achieved. Latent loads must always be considered
when using warmer water.
Buildings with fan coil units and air handlers can generally be
easily retrofitted for cooling. Often it is simply a matter of adding a
cooling coil to the existing air handlers and fan coil units. Waterto-water heat pumps can provide hot water for the heating coils as
well as chilled water for the air conditioning.
19
GSW SPECIFICATION CATALOG
Physical Elements
A
C
T
S
Q
N
P
R
I
B
Z
U
W
E
L
K
X
V
H
G
F
D
Y
J
M
O
NOTE: Plastic front panel extends 1.4" (3.56 cm) beyond front of cabinet.
6/18/09
Physical Data
Model
018
025
040
050
060
075
Factory Charge R410a, oz [kg] 44.0 [1.25]
54.0 [1.53]
62 [1.76]
Coax & Piping Water Volume - gal [l]
.52 [1.97]
68 [1.93]
104 [2.95]
110 [3.12]
.89 [3.38]
1.0 [3.94]
1.4 [5.25]
1.6 [6.13]
Weight - Operating, lb [kg]
1.6 [6.13]
191 [86.6]
225 [102.1]
290 [131.5]
325 [147.4]
345 [156.5]
345 [156.5]
Weight - Packaged, lb [kg]
206 [93.4]
240 [108.9]
305 [138.3]
340 [154.2]
360 [163.3]
360 [163.3]
Compressor (1 each)
Scroll
6/29/09
20
GSW SPECIFICATION CATALOG
Dimensional Data
Overall Cabinet
A
B
C
Depth
Height
Width
in.
cm.
in.
cm.
in.
cm.
in.
cm.
in.
cm.
23.5
59.7
23.5
59.7
31.0
78.7
31.0
78.7
31.0
78.7
26.1
66.3
26.1
66.3
26.2
66.5
26.2
66.5
26.2
66.5
17.5
44.5
17.5
44.5
22.0
55.9
22.0
55.9
22.0
55.9
in.
cm.
in.
cm.
in.
cm.
in.
cm.
in.
cm.
M
Load
Liquid
In
1.9
4.8
1.9
4.8
1.6
4.1
1.8
4.6
1.8
4.6
N
Load
Liquid
Out
1.9
4.8
1.9
4.8
2.8
7.0
3.6
9.1
4.0
10.2
O
Source
Liquid
In
1.9
4.8
1.9
4.8
2.8
7.0
3.6
9.1
4.0
10.2
Model
018
025
040
050
060 & 075
Model
018
025
040
050
060 & 075
Electrical Knockouts
J
K
L
1/2”
3/4”
3/4”
cond
cond
cond
Water Connections
D
E
F
G
Load
Liquid
In
10.0
25.4
10.0
25.4
2.1
5.3
2.2
5.6
2.4
6.1
Load
Liquid
Out
22.2
56.4
22.2
56.4
19.6
49.8
20.6
52.3
23.0
58.4
Source
Liquid
In
10.0
25.4
10.0
25.4
2.1
5.3
2.2
5.6
2.4
6.1
Source
Liquid
Out
22.2
56.4
22.2
56.4
19.6
49.8
20.6
52.3
23.0
58.4
P
Source
Liquid
Out
1.9
4.8
1.9
4.8
1.6
4.1
1.8
4.6
1.8
4.6
Water Connections
Q
R
H
I
HWG In
HWG
Out
23.9
60.7
23.9
60.7
20.6
52.3
23.9
60.7
23.9
60.7
20.6
52.3
S
T
HWG In
HWG
Out
Power
Supply
Low
Voltage
2.0
5.1
2.1
5.3
4.2
10.7
1.8
4.6
1.8
4.6
1.4
3.6
2.4
6.1
2.4
6.1
4.8
12.2
4.8
12.2
4.8
12.2
2.4
6.1
2.4
6.1
4.8
12.2
4.8
12.2
4.8
12.2
21
Load
Water
FPT
1”
25.4 mm
1”
25.4 mm
1”
25.4 mm
1-1/4”
31.8 mm
1-1/4”
31.8 mm
U
Side
Power
Supply
14.9
37.8
14.9
37.8
17.1
43.4
17.1
43.4
17.1
43.4
Source
Water
FPT
1”
25.4 mm
1”
25.4 mm
1”
25.4 mm
1-1/4”
31.8 mm
1-1/4”
31.8 mm
V
Side
Power
Supply
2.6
6.6
2.6
6.6
2.8
7.0
2.8
7.1
2.8
7.1
HWG
Water
FPT
1/2 “
12.7 mm
1/2 “
12.7 mm
1/2”
12.7 mm
W
Low
Voltage
Ext
Pump
Power
Supply
16.0
40.6
16.0
40.6
17.1
43.4
17.1
43.4
17.1
43.4
14.2
36.1
14.2
36.1
14.8
37.6
14.8
37.6
14.8
37.6
14.2
36.1
14.2
36.1
17.1
43.4
17.1
43.4
17.1
43.4
Electrical Knockouts
X
Y
Ext
Pump
Ext
Pump
Power
Supply
2.1
5.3
2.1
5.3
14.9
37.8
14.9
37.8
14.9
37.8
1.8
4.4
1.8
4.4
4.8
12.2
4.8
12.2
4.8
12.2
1.9
4.8
1.9
4.8
4.8
12.2
4.8
12.2
4.8
12.2
Z
Power
Supply
4.1
10.4
4.1
10.4
17.1
43.4
17.1
43.4
17.1
43.4
9/11/09
GSW SPECIFICATION CATALOG
Electrical Data
Compressor
Model
Rated
Voltage
Voltage
Min/Max
RLA
LRA
LRA*
Load
Pump
Source
Pump
Total Unit
FLA
Min Ckt
Amp
Maximum
Fuse/HACR
018
208-230/60/1
197/254
10.3
51.0
17.9
1.8
5.4
17.5
20.1
30
208-230/60/1
197/254
13.5
61.0
21.4
1.8
5.4
20.7
24.1
35
265/60/1
239/292
10.9
58.0
-
-
-
10.9
13.6
20
460/60/3
414/506
4.5
27.0
-
-
-
4.5
5.6
10
208-230/60/1
197/254
20.0
115.0
40.3
1.8
5.4
27.2
32.2
50
208-230/60/3
197/254
12.8
95.0
-
-
-
12.8
16.0
25
460/60/3
414/506
6.4
45.0
-
-
-
6.4
8.0
10
575/60/3
518/632
5.4
38.0
-
-
-
5.4
6.8
10
208-230/60/1
197/254
26.4
134.0
46.9
1.8
5.4
33.6
40.2
60
265/60/1
239/292
19.9
130.0
-
-
-
19.9
24.9
40
208-230/60/3
197/254
16.0
110.0
-
-
-
16.0
20.0
35
460/60/3
414/506
7.8
52.0
-
-
-
7.8
9.8
15
575/60/3
518/632
5.7
38.9
-
-
-
5.7
7.1
10
208-230/60/1
197/254
30.1
145.0
50.8
1.8
5.4
37.3
44.8
70
208-230/60/3
197/254
17.3
120.0
-
-
-
17.3
120.0
35
460/60/3
414/506
9.6
70.0
-
-
-
9.6
70.0
20
575/60/3
518/632
8.0
53.0
-
-
-
8.0
53.0
15
208-230/60/1
197/254
26.9
145.0
50.8
1.8
5.4
34.1
40.8
60
208-230/60/3
197/254
22.4
190.0
-
-
-
22.4
28.0
50
460/60/3
414/506
12.2
87.0
-
-
-
12.2
15.3
25
575/60/3
518/632
9.6
62.0
-
-
-
9.6
12.0
025
040
050
060
075
NOTES:
20
7/22/2009
All fuses type “D” time delay (or HACR circuit breaker in USA).
Source pump amps shown are for up to a 1/2 HP pump.
Load pumps amps shown are for small circulators.
*LRA with optional GeoStart installed (208-230/1/60).
22
GSW SPECIFICATION CATALOG
Antifreeze Correction
Catalog performance can be corrected for antifreeze use. Please use the following table and note the example given.
Antifreeze Type
Antifreeze %
by wt
EWT - °F [°C]
Water
Ethylene Glycol
Propylene Glycol
Ethanol
Methanol
Heating
Cooling
Load
Source
Load
Source
Pressure
Drop
80 [26.7]
30 [-1.1]
50 [10.0]
90 [32.2]
30 [-1.1]
0
1.000
1.000
1.000
1.000
1.000
10
0.990
0.973
0.976
0.991
1.075
20
0.978
0.943
0.947
0.979
1.163
30
0.964
0.917
0.921
0.965
1.225
40
0.953
0.890
0.897
0.955
1.324
1.419
50
0.942
0.865
0.872
0.943
10
0.981
0.958
0.959
0.981
1.130
20
0.967
0.913
0.921
0.969
1.270
30
0.946
0.854
0.869
0.950
1.433
40
0.932
0.813
0.834
0.937
1.614
1.816
50
0.915
0.770
0.796
0.922
10
0.986
0.927
0.945
0.991
1.242
20
0.967
0.887
0.906
0.972
1.343
30
0.944
0.856
0.869
0.947
1.383
40
0.926
0.815
0.830
0.930
1.523
50
0.907
0.779
0.795
0.911
1.639
10
0.985
0.957
0.962
0.986
1.127
20
0.969
0.924
0.929
0.970
1.197
30
0.950
0.895
0.897
0.951
1.235
40
0.935
0.863
0.866
0.936
1.323
50
0.919
0.833
0.836
0.920
1.399
WARNING: Gray area represents antifreeze concentrations greater than 35% by weight and should be
avoided due to the extreme performance penalty they represent.
Antifreeze Correction Example
Antifreeze solution is propylene glycol 20% by weight for the source and methanol 10% for the load. Determine the corrected heating
at 30°F source and 80°F load as well as pressure drop at 30°F for an G Series GSW050. Also, determine the corrected cooling at 90°F
source and 50°F load.
The corrected heating capacity at 30°F/80°F would be:
46,700 MBTUH x 0.913 x 0.985 = 41,998 MBTUH
The corrected cooling capacity at 90°F/50°F would be:
44,200 x 0.969 x 0.962 = 41,202 MBTUH
The corrected pressure drop at 30°F and 15 GPM would be:
5.2 psi x 1.270 = 6.60 psi
23
GSW SPECIFICATION CATALOG
AHRI/ISO 13256-2 Performance Ratings
English (IP) Units
Model
Capacity
Modulation
Water Loop Heat Pump
Flow Rate
Cooling
86°F Source 53.6°F Load
Load
Gpm
Source
Gpm
Ground Water Heat Pump
Heating
68°F Source 104°F Load
Cooling
59°F Source 53.6°F Load
Heating
50°F Source 104°F Load
Capacity Btuh
EER Btuh/W
Capacity Btuh
COP
Capacity Btuh
EER Btuh/W
Capacity Btuh
018
Single
5
5
16,400
14.0
22,200
4.5
18,800
22.9
18,500
COP
3.7
025
Single
7
7
23,700
13.6
32,800
4.6
26,700
21.2
27,100
3.8
040
Single
10
10
35,900
15.5
47,900
4.8
40,900
23.4
39,100
3.9
050
Single
15
15
49,800
13.9
65,000
4.4
55,600
21.6
54,200
3.7
060
Single
18
18
55,400
13.6
78,000
4.7
62,500
20.6
63,200
3.8
075
Single
19
19
66,000
12.3
93,100
4.2
74,100
18.0
77,100
3.5
Model
Capacity
Modulation
Ground Loop Heat Pump
Flow Rate
Cooling
77°F Source 53.6°F Load
Load
Gpm
Source
Gpm
Heating
32°F Source 104°F Load
Capacity Btuh
EER Btuh/W
Capacity Btuh
COP
018
Single
5
5
17,300
16.6
14,700
2.9
025
Single
7
7
24,700
15.8
22,000
3.0
040
Single
10
10
37,700
17.5
30,500
3.1
050
Single
15
15
51,500
16.4
44,200
3.1
060
Single
18
18
58,000
15.7
50,100
3.0
075
Single
19
19
68,400
14.0
61,500
2.9
7/13/09
NOTES:
All ratings based upon 208V operation.
Rated in accoradance with, but not certified by, AHRI.
AHRI does not currently certify water-to-water products under AHRI/ISO 13256-2.
EnergyStar does not currently recognize water-to-water products.
Pressure Drop
Model
018R*
025R*
040R
050R
060R
075R
GPM
3.0
4.0
5.0
6.0
4.0
5.5
7.0
8.5
5.0
7.5
10.0
12.5
8.0
11.5
15.0
18.5
9.0
13.5
18.0
22.5
10.0
14.5
19.0
23.5
30°F
0.5
1.1
1.6
2.1
1.0
2.2
3.3
4.8
0.9
2.3
3.7
5.0
1.7
3.6
5.6
8.3
1.4
4.2
6.9
10.7
3.2
5.5
7.9
11.5
Pressure Drop (psi)
60°F
80°F
100°F
0.4
0.4
0.3
0.9
0.9
0.8
1.4
1.4
1.3
1.9
1.9
1.8
0.9
0.9
0.8
2.0
1.9
1.8
3.0
2.9
2.7
4.5
4.4
4.2
0.6
0.6
0.5
2.1
2.0
1.9
3.5
3.3
3.2
4.7
4.4
4.2
1.4
1.4
1.3
3.4
3.2
3.0
5.4
5.0
4.6
8.1
7.6
7.2
1.1
1.0
1.0
3.9
3.5
3.1
6.7
6.0
5.2
10.5
10.0
9.4
3.0
2.8
2.7
5.3
5.1
4.9
7.6
7.3
7.1
11.3
11.0
10.8
NOTES: Temperatures are Entering Water Temperatures
*Domestic water heating units source side pressure drop
and reversible units load and source pressure drop.
GSW Vented Coax Only Load Side
120°F
0.3
0.8
1.3
1.8
0.8
1.7
2.6
4.1
0.5
1.8
3.0
4.0
1.3
2.8
4.2
6.8
0.9
2.7
4.5
8.7
2.5
4.7
6.8
10.5
7/13/09
Model
018H
025H
GPM
3.0
4.0
5.0
6.0
4.0
5.5
7.0
8.5
60°F
0.5
1.4
2.2
3.0
1.3
3.0
4.6
6.7
Pressure Drop (psi)
80°F
100°F
0.4
0.4
1.3
1.2
2.1
2.1
2.9
2.9
1.3
1.2
2.9
2.8
4.4
4.3
6.5
6.4
NOTES: Temperatures are Entering Water Temperatures
Double wall vented coax for heating potable water
24
120°F
0.3
1.2
2.0
2.8
1.2
2.7
4.1
6.2
7/13/09
GSW SPECIFICATION CATALOG
Reference Calculations
Heating Calculations:
LWT = EWT -
HE
GPM x C*
HE = C* x GPM x (EWT - LWT)
Cooling Calculations:
LWT = EWT +
HR
GPM x C*
HR = C* x GPM x (LWT - EWT)
NOTE: * C = 500 for pure water, 485 for brine.
Legends and Notes
Abbreviations and Definitions
ELT
kW
= kilowatts
SWPD = source coax water pressure drop
= entering load fluid temperature to heat pump
EST
= entering source fluid temperature to heat pump
LLT
= leaving load fluid temperature from heat pump
HE
= heat extracted in MBTUH
PSI
= pressure drop in pounds per square inch
LST
= leaving source fluid temperature from heat pump
LGPM = load flow in gallons per minute
HC
= total heating capacity in MBTUH
FT HD = pressure drop in feet of head
COP = coefficient of performance, heating [HC/kW x 3.413]
LWPD = load coax water pressure drop
EER = energy efficiency ratio, cooling
LWT
= leaving water temperature
TC
= total cooling capacity in MBTUH
EWT
= entering water temperature
HR
= heat rejected in MBTUH
Brine
= water with a freeze inhibiting solution
Notes to Performance Data Tables
The following notes apply to all performance data tables:
• Three flow rates are shown for each unit. The lowest flow rate shown is used for geothermal open loop/well water systems with a minimum of 50°F EST. The middle flow rate shown is the minimum geothermal closed loop flow rate.
The highest flow rate shown is optimum for geothermal closed loop systems and the suggested flow rate for boiler/
tower applications.
• Entering water temperatures below 40°F assumes 15% antifreeze solution.
• Interpolation between ELT, EST, and GPM data is permissible.
• Operation in the gray areas is not recommended.
25
GSW SPECIFICATION CATALOG
GSW018 - Performance Data
Cooling Capacity
Source
EST
°F
Flow
GPM
3
30
4
5
3
50
4
5
3
Load Flow-3 GPM
Load Flow-4 GPM
LLT
°F
TC
MBTUH
Power
kW
HR
MBTUH
EER
LST
°F
LLT
°F
TC
MBTUH
Power
kW
HR
MBTUH
EER
LST
°F
LLT
°F
TC
MBTUH
Power
kW
HR
MBTUH
EER
LST
°F
50
37.8
17.8
0.60
19.8
29.7
43.6
40.1
18.1
0.61
20.1
29.8
43.8
42.5
18.3
0.61
20.4
30.0
44.0
70
56.8
19.3
0.59
21.3
32.5
44.6
59.3
19.4
0.60
21.5
32.6
44.8
61.9
19.6
0.60
21.6
32.7
44.9
90
75.8
20.7
0.59
22.7
35.3
45.6
78.6
20.8
0.59
22.8
35.4
45.7
81.4
20.9
0.59
22.9
35.4
45.7
110
94.7
22.2
0.58
24.2
38.3
46.6
97.8
22.2
0.58
24.2
38.3
46.6
100.8
22.2
0.58
24.2
38.3
46.6
50
37.7
18.0
0.58
19.9
30.9
40.9
40.0
18.2
0.58
20.2
31.2
41.1
42.4
18.4
0.59
20.4
31.5
41.2
70
56.7
19.3
0.57
21.3
33.8
41.7
59.3
19.5
0.57
21.4
34.0
41.8
61.9
19.6
0.58
21.6
34.1
41.9
90
75.8
20.7
0.56
22.6
36.7
42.4
78.6
20.8
0.56
22.7
36.8
42.5
81.4
20.9
0.57
22.8
36.9
42.5
110
94.9
22.0
0.56
23.9
39.6
43.2
97.9
22.1
0.56
23.9
39.7
43.2
100.9
22.1
0.56
24.0
39.8
43.2
50
37.6
18.1
0.56
20.0
32.3
38.3
40.0
18.3
0.56
20.2
32.7
38.3
42.4
18.5
0.56
20.4
33.0
38.4
70
56.7
19.3
0.55
21.2
35.2
38.7
59.3
19.5
0.55
21.4
35.5
38.8
61.9
19.7
0.55
21.5
35.8
38.9
90
75.9
20.6
0.54
22.4
38.1
39.2
78.6
20.7
0.54
22.5
38.3
39.3
81.4
20.8
0.54
22.7
38.6
39.4
110
95.0
21.8
0.53
23.6
41.1
39.7
98.0
21.9
0.53
23.7
41.3
39.8
100.9
22.0
0.53
23.8
41.5
39.8
50
38.4
16.9
0.80
19.6
22.9
63.4
40.5
17.3
0.80
20.0
23.3
63.8
42.7
17.8
0.80
20.5
23.7
64.1
70
56.3
19.9
0.80
22.6
26.5
65.5
58.9
20.2
0.80
22.9
26.8
65.8
61.5
20.6
0.80
23.3
27.2
66.0
90
74.3
22.9
0.80
25.6
30.1
67.6
77.3
23.1
0.79
25.8
30.4
67.8
80.4
23.4
0.79
26.1
30.7
67.9
110
92.2
25.9
0.80
28.6
33.8
69.7
95.7
26.1
0.79
28.8
34.0
69.8
99.2
26.2
0.79
28.9
34.2
69.9
50
38.3
17.0
0.77
19.6
22.0
60.8
40.5
17.4
0.77
20.0
22.6
61.0
42.6
17.8
0.77
20.5
23.1
61.2
70
56.3
19.9
0.77
22.5
26.0
62.4
58.9
20.3
0.76
22.9
26.5
62.6
61.5
20.6
0.76
23.2
27.0
62.8
90
74.3
22.9
0.76
25.5
30.2
64.0
77.3
23.1
0.76
25.7
30.5
64.2
80.4
23.4
0.76
25.9
30.9
64.3
110
92.2
25.9
0.75
28.4
34.4
65.7
95.7
26.0
0.75
28.6
34.6
65.7
99.2
26.1
0.75
28.7
34.8
65.8
50
38.2
17.1
0.75
19.7
24.7
58.1
40.4
17.5
0.75
20.0
25.3
58.3
42.6
17.9
0.74
20.4
25.9
58.4
70
56.3
20.0
0.74
22.5
28.8
59.3
58.9
20.3
0.73
22.8
29.2
59.4
61.5
20.6
0.73
23.1
29.7
59.5
90
74.3
22.9
0.72
25.4
33.0
60.5
77.3
23.1
0.72
25.6
33.3
60.5
80.4
23.3
0.72
25.8
33.6
60.6
110
92.3
25.8
0.71
28.2
37.3
61.6
95.8
25.9
0.71
28.3
37.5
61.7
99.3
26.1
0.71
28.5
37.7
61.7
50
39.1
15.9
0.99
19.3
16.1
83.3
41.0
16.6
0.99
19.9
16.7
83.7
42.9
17.2
0.99
20.6
17.4
84.1
70
55.9
20.5
1.00
23.9
20.5
86.4
58.5
21.0
1.00
24.4
21.1
86.8
61.1
21.5
0.99
24.9
21.7
87.1
50
39.0
16.0
0.97
19.3
16.6
80.6
40.9
16.6
0.96
19.9
17.3
80.9
42.9
17.3
0.96
20.5
18.1
81.3
70
55.9
20.6
0.96
23.8
21.4
83.1
58.5
21.1
0.96
24.3
22.0
83.4
61.1
21.6
0.95
24.8
22.6
83.7
90
Operation not recommended
110
70
4
90
Operation not recommended
110
5
50
38.9
16.1
0.94
19.3
17.1
78.0
40.9
16.7
0.93
19.9
18.0
78.2
42.9
17.3
0.92
20.4
18.8
78.4
70
55.8
20.7
0.92
23.8
22.4
79.8
58.5
21.1
0.92
24.2
23.0
80.0
61.1
21.6
0.91
24.7
23.7
80.2
90
Operation not recommended
110
3
50
40.4
14.0
1.30
18.4
11.8
102.7
42.1
14.5
1.30
19.0
12.3
103.0
43.8
15.1
1.30
19.5
12.7
103.4
70
57.4
18.3
1.30
22.7
15.3
105.6
59.8
18.7
1.30
23.2
15.7
105.9
62.1
19.2
1.30
23.6
16.1
106.2
90
Operation not recommended
110
90
4
50
40.3
14.1
1.27
18.4
11.2
100.1
42.0
14.6
1.26
19.0
11.6
100.4
43.8
15.2
1.26
19.5
12.0
100.7
70
57.3
18.4
1.26
22.7
14.6
102.5
59.7
18.9
1.26
23.1
15.0
102.7
62.0
19.3
1.26
23.6
15.4
103.0
90
Operation not recommended
110
5
50
40.2
14.3
1.24
18.5
12.6
97.6
42.0
14.8
1.23
18.9
13.2
97.8
43.7
15.3
1.23
19.4
13.7
98.0
70
57.2
18.6
1.22
22.7
16.6
99.4
59.6
19.0
1.21
23.1
17.1
99.5
62.0
19.4
1.21
23.5
17.5
99.7
90
Operation not recommended
110
3
50
41.7
12.1
1.60
17.6
7.6
122.1
43.2
12.5
1.61
18.0
7.8
122.4
44.7
12.9
1.61
18.4
8.0
122.6
70
59.0
16.1
1.60
21.5
10.0
124.8
61.0
16.5
1.60
21.9
10.3
125.1
63.1
16.8
1.61
22.3
10.5
125.3
50
41.6
12.3
1.57
17.6
7.8
119.7
43.1
12.7
1.57
18.0
8.1
119.9
44.6
13.1
1.57
18.4
8.3
120.1
70
58.8
16.3
1.56
21.6
10.5
121.9
60.9
16.6
1.56
22.0
10.7
122.1
63.0
17.0
1.56
22.3
10.9
122.3
50
41.5
12.4
1.53
17.6
8.1
117.3
43.0
12.8
1.53
18.0
8.4
117.4
44.6
13.2
1.53
18.4
8.6
117.6
70
58.7
16.5
1.51
21.6
10.9
118.9
60.8
16.8
1.51
22.0
11.1
119.1
62.9
17.2
1.51
22.4
11.4
119.2
90
Operation not recommended
110
110
4
90
Operation not recommended
110
5
Load Flow-5 GPM
ELT
°F
90
110
Operation not recommended
8/20/09
26
GSW SPECIFICATION CATALOG
GSW018 - Performance Data cont.
Heating Capacity
Source
EST
°F
Flow
GPM
Load Flow-3 GPM
10
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
Load Flow-4 GPM
COP
LST
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
Load Flow-5 GPM
COP
LST
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
COP
LST
°F
60
4
5
3
4
5
3
50
4
5
3
70
Operation not recommended
120
25
30
80
100
4
5
3
60
69.8
14.2
0.90
11.1
4.62
20.4
67.4
14.3
0.88
11.3
4.76
20.3
65.9
14.4
0.86
11.5
4.91
20.3
80
89.4
13.7
1.21
9.6
3.31
21.1
87.1
13.8
1.19
9.7
3.38
21.0
85.7
13.9
1.17
9.9
3.46
20.9
100
109.1
13.2
1.53
8.0
2.53
21.7
106.8
13.3
1.51
8.1
2.58
21.6
105.5
13.3
1.49
8.3
2.63
21.6
120
128.7
12.7
1.84
6.4
2.02
22.4
126.6
12.8
1.82
6.5
2.05
22.3
125.3
12.8
1.80
6.7
2.08
22.3
60
70.4
15.1
0.91
12.0
4.86
21.8
68.3
15.2
0.90
12.1
4.96
21.7
66.3
15.2
0.88
12.2
5.06
21.6
80
90.0
14.5
1.22
10.4
3.48
22.9
88.0
14.6
1.21
10.5
3.55
22.8
86.0
14.6
1.19
10.6
3.61
22.7
100
109.6
14.0
1.54
8.7
2.66
24.0
107.7
14.0
1.52
8.8
2.71
23.9
105.8
14.1
1.49
9.0
2.76
23.8
120
129.2
13.4
1.85
7.1
2.12
25.1
127.4
13.5
1.83
7.2
2.16
25.0
125.6
13.5
1.80
7.4
2.20
24.9
60
70.7
15.5
0.91
12.4
5.02
23.2
68.6
15.6
0.89
12.6
5.14
23.2
66.5
15.7
0.88
12.7
5.26
23.1
80
90.2
14.9
1.22
10.7
3.58
24.2
88.2
15.0
1.20
10.9
3.66
24.1
86.2
15.0
1.18
11.0
3.75
24.0
100
109.8
14.3
1.53
9.0
2.73
25.1
107.9
14.3
1.50
9.2
2.79
25.0
105.9
14.4
1.48
9.3
2.85
24.9
120
129.4
13.7
1.85
7.4
2.17
26.0
127.5
13.7
1.81
7.5
2.21
25.9
125.6
13.7
1.78
7.6
2.26
25.8
60
70.9
15.9
0.90
12.8
5.18
24.7
68.8
16.1
0.89
13.0
5.32
24.6
66.7
16.2
0.87
13.2
5.46
24.5
80
90.5
15.2
1.21
11.1
3.68
25.4
88.4
15.3
1.19
11.3
3.78
25.3
86.4
15.4
1.16
11.5
3.89
25.3
100
110.0
14.6
1.53
9.4
2.80
26.1
108.0
14.6
1.49
9.5
2.87
26.1
106.0
14.7
1.46
9.7
2.95
26.0
120
129.6
13.9
1.84
7.6
2.21
26.9
127.6
13.9
1.80
7.8
2.27
26.8
125.7
13.9
1.75
7.9
2.33
26.7
60
73.5
19.7
0.90
16.6
6.46
38.6
70.9
19.8
2.74
10.4
4.71
42.8
68.2
20.0
4.59
4.3
2.97
47.1
80
93.0
18.9
1.21
14.7
4.58
39.9
90.4
19.0
2.43
10.7
3.48
42.7
87.9
19.1
3.65
6.6
2.37
45.4
100
112.4
18.1
1.52
12.9
3.48
41.2
110.0
18.1
2.12
10.9
2.85
42.5
107.5
18.2
2.71
9.0
2.21
43.8
120
131.9
17.3
1.84
11.0
2.76
42.4
129.5
17.3
1.80
11.1
2.82
42.3
127.2
17.4
1.77
11.3
2.88
42.2
60
73.9
20.2
0.89
17.1
6.62
40.7
71.2
20.4
1.81
14.2
3.31
42.7
68.5
20.6
2.72
11.3
2.22
44.8
80
93.3
19.3
1.21
15.2
4.69
41.7
90.7
19.5
1.80
13.3
3.16
43.0
88.1
19.6
2.40
11.4
2.40
44.4
100
112.7
18.4
1.52
13.2
3.55
42.8
110.2
18.5
1.80
12.4
3.02
43.4
107.7
18.6
2.08
11.5
2.63
44.0
120
132.1
17.6
1.83
11.3
2.81
43.8
129.7
17.6
1.80
11.5
2.87
43.7
127.3
17.7
1.76
11.7
2.94
43.6
60
74.2
20.7
0.89
17.7
6.83
42.7
71.5
21.0
0.87
18.0
7.12
42.6
68.7
21.2
0.85
18.3
7.41
42.4
80
93.6
19.8
1.20
15.6
4.82
43.5
90.9
19.9
1.17
15.9
4.99
43.4
88.3
20.1
1.15
16.2
5.17
43.3
100
112.9
18.8
1.52
13.6
3.64
44.4
110.4
18.9
1.48
13.9
3.75
44.3
107.8
19.0
1.45
14.1
3.87
44.2
120
132.3
17.9
1.83
11.6
2.86
45.2
129.8
17.9
1.79
11.8
2.94
45.1
127.4
18.0
1.75
12.0
3.02
45.1
60
76.6
24.2
0.88
21.2
8.06
55.4
73.4
24.5
4.59
8.8
4.46
64.0
70.2
24.7
8.30
-3.6
0.87
72.5
80
95.9
23.2
1.19
19.1
5.69
56.9
92.8
23.4
3.65
10.9
3.41
62.5
89.7
23.5
6.11
2.7
1.13
68.2
100
115.2
22.1
1.51
17.0
4.30
58.3
112.2
22.3
2.72
13.0
2.99
61.1
109.2
22.4
3.93
9.0
1.67
63.8
120
134.5
21.1
1.82
14.9
3.40
59.8
131.6
21.2
1.78
15.1
3.48
59.6
128.7
21.2
1.74
15.3
3.57
59.5
60
77.1
24.9
0.88
21.8
8.27
58.1
73.8
25.2
2.72
15.9
2.71
62.2
70.5
25.5
4.56
9.9
1.64
66.4
80
96.3
23.7
1.19
19.6
5.82
59.3
93.1
23.9
2.41
15.7
2.91
62.0
90.0
24.2
3.62
11.8
1.96
64.8
100
115.5
22.6
1.51
17.4
4.39
60.5
112.5
22.7
2.09
15.6
3.18
61.8
109.4
22.9
2.68
13.7
2.50
63.1
120
134.7
21.5
1.82
15.2
3.45
61.7
131.8
21.5
1.78
15.4
3.54
61.6
128.9
21.6
1.74
15.7
3.64
61.4
60
77.5
25.5
0.88
22.5
8.49
60.7
74.2
25.9
0.85
22.9
8.93
60.5
70.8
26.2
0.82
23.4
9.36
60.3
80
96.7
24.3
1.19
20.2
5.96
61.7
93.5
24.5
1.16
20.6
6.20
61.5
90.2
24.8
1.13
21.0
6.45
61.4
100
115.8
23.0
1.51
17.9
4.48
62.6
112.7
23.2
1.47
18.2
4.63
62.5
109.6
23.4
1.43
18.5
4.78
62.4
120
135.0
21.8
1.82
15.6
3.51
63.6
132.0
21.9
1.78
15.8
3.61
63.5
129.1
22.0
1.74
16.1
3.70
63.4
60
79.6
28.5
0.88
25.5
9.49
72.5
75.6
28.4
0.85
25.5
9.84
72.5
71.6
28.2
0.81
25.4
10.20
72.5
80
98.6
27.1
1.18
23.0
6.70
74.2
94.9
27.1
1.15
23.1
6.92
74.1
91.1
27.0
1.11
23.2
7.14
74.0
100
Operation not recommended
120
90
4
60
80.1
29.2
0.88
26.2
9.72
75.7
76.0
29.0
0.85
26.1
10.05
75.7
71.9
28.8
0.81
26.0
10.40
75.8
80
99.0
27.7
1.19
23.6
6.84
77.1
95.2
27.6
1.15
23.7
7.05
77.0
91.4
27.6
1.11
23.8
7.28
77.0
60
80.5
29.9
0.88
26.9
9.96
78.9
76.3
29.6
0.85
26.7
10.28
79.0
72.1
29.3
0.81
26.5
10.60
79.1
80
99.4
28.2
1.19
24.2
6.97
80.0
95.5
28.2
1.15
24.2
7.19
80.0
91.6
28.1
1.11
24.3
7.42
80.0
100
Operation not recommended
120
5
100
120
Operation not recommended
8/19/09
27
GSW SPECIFICATION CATALOG
GSW018 DHW - Performance Data cont.
Heating Capacity
Source
EST
°F
Flow
GPM
Load Flow-3 GPM
10
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
Load Flow-4 GPM
COP
LST
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
Load Flow-5 GPM
COP
LST
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
COP
LST
°F
60
4
5
3
4
5
3
50
4
5
3
70
Operation not recommended
120
25
30
80
100
4
5
60
70.0
14.5
0.97
11.2
4.38
20.4
67.6
14.7
0.95
11.4
4.52
20.3
66.1
14.8
0.93
11.6
4.66
20.2
80
89.7
14.1
1.30
9.7
3.19
21.0
87.4
14.3
1.28
9.9
3.27
20.9
85.9
14.4
1.26
10.1
3.36
20.8
100
109.5
13.8
1.62
8.2
2.48
21.6
107.2
13.9
1.60
8.4
2.54
21.5
105.8
14.0
1.58
8.6
2.59
21.5
120
129.2
13.4
1.95
6.7
2.01
22.2
127.0
13.5
1.93
6.9
2.05
22.1
125.6
13.6
1.91
7.1
2.09
22.1
60
70.4
15.2
0.97
11.9
4.59
21.8
68.4
15.4
0.95
12.1
4.74
21.7
66.4
15.5
0.93
12.3
4.88
21.5
80
90.2
14.9
1.30
10.4
3.35
22.8
88.2
15.0
1.28
10.6
3.43
22.7
86.2
15.1
1.26
10.8
3.52
22.6
100
110.0
14.5
1.63
9.0
2.61
23.8
108.0
14.7
1.61
9.2
2.67
23.7
106.1
14.8
1.59
9.3
2.72
23.6
120
129.8
14.2
1.96
7.5
2.12
24.8
127.8
14.3
1.94
7.7
2.16
24.7
125.9
14.4
1.92
7.8
2.20
24.6
60
70.7
15.6
0.97
12.3
4.71
23.3
68.6
15.8
0.95
12.5
4.86
23.2
66.6
15.9
0.93
12.7
5.01
23.1
80
90.4
15.2
1.30
10.8
3.43
24.1
88.4
15.3
1.28
11.0
3.51
24.0
86.4
15.5
1.26
11.2
3.60
23.9
100
110.2
14.8
1.63
9.2
2.66
25.0
108.2
14.9
1.61
9.4
2.71
24.9
106.2
15.0
1.59
9.6
2.77
24.8
120
129.9
14.4
1.96
7.7
2.15
25.8
127.9
14.5
1.94
7.9
2.19
25.7
126.0
14.6
1.92
8.0
2.23
25.6
60
71.0
16.0
0.97
12.7
4.83
24.8
68.9
16.2
0.95
12.9
4.98
24.7
66.7
16.3
0.93
13.1
5.14
24.6
80
90.7
15.5
1.30
11.1
3.50
25.4
88.6
15.7
1.28
11.3
3.59
25.3
86.5
15.8
1.26
11.5
3.68
25.3
100
110.4
15.1
1.63
9.5
2.71
26.1
108.3
15.2
1.61
9.7
2.76
26.0
106.3
15.2
1.58
9.8
2.82
25.9
120
130.0
14.6
1.96
7.9
2.18
26.7
128.0
14.7
1.94
8.0
2.22
26.7
126.1
14.7
1.91
8.2
2.26
26.6
60
73.4
19.6
0.98
16.2
5.87
38.9
70.8
19.8
0.95
16.5
6.10
38.7
68.2
20.0
0.93
16.8
6.33
38.5
80
93.0
18.9
1.31
14.4
4.23
40.1
90.5
19.1
1.28
14.7
4.37
39.9
87.9
19.3
1.25
15.0
4.51
39.7
100
112.5
18.3
1.64
12.7
3.26
41.3
110.1
18.4
1.61
12.9
3.35
41.1
107.6
18.6
1.58
13.2
3.44
41.0
120
132.1
17.6
1.97
10.9
2.62
42.5
129.7
17.7
1.94
11.1
2.68
42.4
127.4
17.9
1.91
11.3
2.74
42.2
60
73.8
20.1
0.98
16.7
6.03
40.9
71.1
20.3
0.95
17.0
6.26
40.7
68.5
20.5
0.93
17.3
6.49
40.5
80
93.3
19.4
1.31
14.9
4.34
41.9
90.7
19.5
1.28
15.2
4.47
41.7
88.1
19.7
1.25
15.4
4.61
41.6
100
112.8
18.6
1.64
13.0
3.33
42.9
110.3
18.8
1.61
13.3
3.41
42.8
107.8
18.9
1.58
13.5
3.50
42.6
120
132.3
17.9
1.97
11.2
2.66
43.9
129.9
18.0
1.94
11.4
2.72
43.8
127.5
18.1
1.91
11.6
2.78
43.7
60
74.2
20.6
0.98
17.3
6.18
42.9
71.4
20.8
0.95
17.6
6.43
42.7
68.7
21.1
0.93
17.9
6.68
42.6
80
93.6
19.8
1.31
15.3
4.44
43.7
91.0
20.0
1.28
15.6
4.58
43.6
88.3
20.1
1.25
15.9
4.72
43.5
100
113.1
19.0
1.64
13.4
3.39
44.5
110.5
19.1
1.61
13.6
3.48
44.4
107.9
19.2
1.58
13.8
3.57
44.3
120
132.5
18.2
1.97
11.5
2.70
45.3
130.0
18.3
1.94
11.6
2.76
45.2
127.5
18.3
1.91
11.8
2.82
45.1
60
76.4
23.9
0.98
20.6
7.15
55.9
73.2
24.2
0.95
20.9
7.46
55.6
70.1
24.4
0.92
21.3
7.77
55.4
80
95.8
22.9
1.31
18.5
5.12
57.3
92.7
23.2
1.28
18.8
5.30
57.1
89.6
23.4
1.25
19.1
5.49
56.9
100
115.1
22.0
1.65
16.3
3.91
58.8
112.2
22.2
1.61
16.7
4.03
58.6
109.2
22.3
1.57
17.0
4.16
58.3
120
134.4
21.0
1.98
14.2
3.11
60.2
131.6
21.2
1.94
14.5
3.20
60.0
128.8
21.3
1.90
14.8
3.28
59.8
60
76.9
24.6
0.98
21.2
7.34
58.4
73.6
24.8
0.95
21.6
7.66
58.2
70.4
25.1
0.92
22.0
7.99
58.0
80
96.2
23.5
1.31
19.0
5.24
59.6
93.0
23.7
1.28
19.3
5.43
59.4
89.9
23.9
1.25
19.7
5.62
59.3
100
115.4
22.5
1.65
16.8
3.99
60.8
112.4
22.6
1.61
17.1
4.11
60.7
109.4
22.8
1.57
17.4
4.24
60.5
120
134.7
21.4
1.98
14.6
3.17
62.0
131.8
21.5
1.94
14.9
3.25
61.9
128.9
21.6
1.90
15.1
3.33
61.7
60
77.3
25.2
0.98
21.9
7.53
61.0
74.0
25.5
0.95
22.3
7.88
60.8
70.6
25.8
0.92
22.7
8.22
60.7
80
96.5
24.1
1.31
19.6
5.37
61.9
93.3
24.3
1.28
19.9
5.56
61.8
90.1
24.5
1.25
20.2
5.76
61.7
100
115.8
22.9
1.65
17.3
4.08
62.9
112.7
23.1
1.61
17.6
4.20
62.8
109.6
23.2
1.57
17.8
4.32
62.6
120
135.0
21.8
1.98
15.0
3.23
63.8
132.0
21.9
1.94
15.2
3.30
63.7
129.0
21.9
1.90
15.4
3.38
63.6
60
3
80
100
120
60
90
4
80
100
Operation not recommended
120
60
5
80
100
120
8/19/09
28
GSW SPECIFICATION CATALOG
GSW025 - Performance Data
Cooling Capacity
Source
EST
°F
Flow
GPM
4
30
5.5
7
4
50
5.5
7
4
Load Flow-4 GPM
Load Flow-5.5 GPM
LLT
°F
TC
MBTUH
Power
kW
HR
MBTUH
EER
LST
°F
LLT
°F
TC
MBTUH
Power
kW
HR
MBTUH
EER
LST
°F
LLT
°F
TC
MBTUH
Power
kW
HR
MBTUH
EER
LST
°F
50
36.6
25.9
0.96
29.2
27.0
45.0
39.3
26.7
0.96
30.0
27.8
45.5
41.9
27.5
0.96
30.8
28.6
45.9
70
55.5
28.0
0.96
31.3
29.2
46.1
58.5
28.6
0.96
31.8
29.7
46.4
61.4
29.1
0.96
32.3
30.3
46.7
90
74.5
30.2
0.96
33.4
31.4
47.2
77.7
30.4
0.96
33.7
31.7
47.4
81.0
30.6
0.96
33.9
31.9
47.5
110
93.4
32.3
0.96
35.6
33.6
48.3
96.9
32.3
0.96
35.5
33.6
48.3
100.5
32.2
0.96
35.5
33.5
48.3
50
36.9
25.4
0.93
28.6
27.3
41.6
39.5
26.2
0.93
29.3
28.1
41.9
42.1
26.9
0.93
30.1
28.9
42.3
70
56.0
27.1
0.93
30.3
29.2
42.4
58.9
27.6
0.93
30.7
29.7
42.6
61.7
28.1
0.93
31.2
30.2
42.8
90
75.2
28.8
0.93
31.9
31.0
43.1
78.3
29.0
0.93
32.2
31.3
43.2
81.4
29.2
0.93
32.4
31.5
43.3
110
94.3
30.5
0.93
33.6
32.9
43.8
97.7
30.4
0.93
33.6
32.9
43.8
101.0
30.4
0.93
33.6
32.9
43.8
50
37.2
24.9
0.90
28.0
27.7
38.2
39.7
25.6
0.90
28.7
28.4
38.4
42.3
26.3
0.90
29.4
29.2
38.7
70
56.5
26.1
0.90
29.2
29.1
38.6
59.3
26.6
0.90
29.7
29.7
38.7
62.0
27.1
0.90
30.1
30.2
38.9
90
75.9
27.4
0.89
30.4
30.6
39.0
78.8
27.6
0.89
30.6
30.9
39.0
81.8
27.8
0.89
30.9
31.2
39.1
110
95.3
28.6
0.89
31.6
32.1
39.3
98.4
28.6
0.89
31.6
32.1
39.3
101.6
28.6
0.89
31.6
32.1
39.3
50
37.3
24.6
1.24
28.8
21.2
64.8
39.8
25.4
1.24
29.6
21.8
65.2
42.3
26.2
1.24
30.4
22.5
65.7
70
55.4
28.3
1.25
32.6
24.0
66.8
58.3
29.0
1.25
33.3
24.5
67.2
61.2
29.7
1.25
34.0
25.0
67.5
90
73.4
32.1
1.26
36.4
26.7
68.8
76.8
32.7
1.26
37.0
27.1
69.1
80.2
33.3
1.26
37.6
27.5
69.4
110
91.5
35.9
1.27
40.2
29.4
70.7
95.3
36.4
1.27
40.7
29.7
71.0
99.1
36.9
1.27
41.2
29.9
71.3
50
37.5
24.3
1.20
28.4
20.3
61.5
39.9
25.1
1.20
29.2
21.0
61.9
42.4
25.9
1.20
30.0
21.6
62.2
70
55.7
27.8
1.20
31.9
23.1
63.0
58.5
28.5
1.20
32.6
23.7
63.3
61.4
29.2
1.20
33.3
24.3
63.6
90
73.9
31.3
1.21
35.4
25.9
64.4
77.2
31.8
1.21
35.9
26.4
64.7
80.5
32.4
1.21
36.5
26.8
64.9
110
92.1
34.7
1.21
38.9
28.7
65.9
95.8
35.2
1.21
39.3
29.1
66.1
99.5
35.7
1.21
39.8
29.4
66.3
50
37.6
24.1
1.16
28.0
22.0
58.3
40.0
24.9
1.16
28.8
22.8
58.5
42.4
25.7
1.16
29.6
23.5
58.7
70
56.0
27.2
1.16
31.2
24.5
59.2
58.8
27.9
1.16
31.9
25.1
59.4
61.6
28.6
1.16
32.5
25.8
59.6
90
74.3
30.4
1.16
34.3
27.1
60.1
77.5
30.9
1.16
34.9
27.5
60.3
80.7
31.5
1.16
35.4
28.0
60.4
110
92.7
33.6
1.16
37.5
29.6
61.0
96.3
34.0
1.16
37.9
29.9
61.2
99.9
34.4
1.16
38.3
30.2
61.3
50
38.0
23.2
1.51
28.4
15.4
84.6
40.4
24.0
1.52
29.2
15.8
85.0
42.7
24.8
1.52
30.0
16.3
85.5
70
55.2
28.6
1.53
33.9
18.7
87.5
58.1
29.5
1.54
34.8
19.2
87.9
61.0
30.4
1.54
35.7
19.7
88.4
90
72.4
34.1
1.55
39.4
22.0
90.3
75.9
35.0
1.56
40.3
22.5
90.8
79.4
36.0
1.56
41.3
23.1
91.3
110
70
5.5
Operation not recommended
50
38.0
23.2
1.47
28.2
15.8
81.4
40.3
24.1
1.47
29.1
16.4
81.8
42.7
25.0
1.47
30.0
17.0
82.1
70
55.3
28.5
1.48
33.5
19.3
83.6
58.2
29.4
1.48
34.4
19.9
84.0
61.1
30.3
1.48
35.3
20.5
84.3
90
72.6
33.7
1.49
38.8
22.7
85.8
76.1
34.7
1.49
39.7
23.3
86.2
79.5
35.6
1.49
40.7
23.9
86.5
110
7
4
Operation not recommended
50
38.0
23.2
1.42
28.0
16.3
78.3
40.3
24.2
1.42
29.0
17.1
78.5
42.6
25.1
1.41
29.9
17.8
78.8
70
55.4
28.3
1.42
33.1
19.9
79.8
58.3
29.2
1.42
34.1
20.6
80.0
61.1
30.1
1.41
35.0
21.3
80.3
90
72.8
33.4
1.42
38.2
23.5
81.3
76.2
34.3
1.42
39.1
24.2
81.5
79.6
35.2
1.42
40.0
24.8
81.8
110
90.2
38.5
1.42
43.3
27.1
82.8
94.2
39.4
1.42
44.2
27.7
83.0
98.2
40.2
1.42
45.0
28.3
83.3
50
39.3
20.9
1.93
27.4
11.6
104.1
41.4
21.5
1.94
28.1
12.0
104.5
43.5
22.2
1.94
28.8
12.3
104.9
70
56.3
26.6
1.96
33.3
14.5
107.2
59.0
27.4
1.97
34.1
14.9
107.6
61.7
28.3
1.97
35.0
15.3
108.0
90
Operation not recommended
110
90
5.5
50
39.2
20.9
1.88
27.3
11.1
101.1
41.3
21.6
1.88
28.0
11.5
101.4
43.4
22.4
1.88
28.8
11.9
101.7
70
56.3
26.7
1.89
33.1
14.1
103.4
59.0
27.5
1.90
34.0
14.5
103.8
61.7
28.3
1.90
34.8
14.9
104.1
90
Operation not recommended
110
7
50
39.2
21.0
1.83
27.2
12.3
98.0
41.3
21.7
1.83
28.0
12.8
98.2
43.4
22.5
1.83
28.7
13.3
98.5
70
56.2
26.8
1.83
33.0
15.6
99.7
58.9
27.6
1.83
33.8
16.1
100.0
61.6
28.4
1.83
34.6
16.6
100.2
90
Operation not recommended
110
4
50
40.5
18.5
2.35
26.5
7.9
123.7
42.3
19.1
2.36
27.1
8.1
124.0
44.2
19.6
2.36
27.7
8.3
124.3
70
57.3
24.6
2.39
32.7
10.3
126.9
59.8
25.4
2.40
33.5
10.6
127.3
62.3
26.2
2.40
34.4
10.9
127.7
50
40.4
18.6
2.30
26.4
8.1
120.7
42.3
19.2
2.30
27.0
8.3
120.9
44.2
19.8
2.30
27.6
8.6
121.2
70
57.2
24.9
2.31
32.8
10.8
123.3
59.7
25.6
2.32
33.5
11.1
123.6
62.2
26.4
2.32
34.3
11.4
123.9
50
40.4
18.7
2.24
26.3
8.3
117.8
42.2
19.3
2.24
26.9
8.6
117.9
44.1
19.9
2.24
27.5
8.9
118.1
70
57.0
25.2
2.24
32.8
11.3
119.7
59.6
25.9
2.24
33.5
11.6
119.9
62.2
26.6
2.24
34.2
11.9
120.1
90
Operation not recommended
110
110
5.5
90
Operation not recommended
110
7
Load Flow-7 GPM
ELT
°F
90
110
Operation not recommended
8/20/09
29
GSW SPECIFICATION CATALOG
GSW025 - Performance Data cont.
Heating Capacity
Source
EST
°F
Flow
GPM
Load Flow-4 GPM
10
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
Load Flow-5.5 GPM
COP
LST
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
Load Flow-7 GPM
COP
LST
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
COP
LST
°F
60
5.5
7
4
5.5
7
4
50
5.5
7
4
70
Operation not recommended
120
25
30
80
100
5.5
7
4
60
71.0
21.4
1.28
17.0
4.90
20.0
68.1
21.5
1.26
17.2
5.02
19.9
66.4
21.6
1.23
17.4
5.15
19.9
80
90.6
20.5
1.70
14.7
3.54
20.7
87.7
20.7
1.67
14.9
3.62
20.6
86.1
20.8
1.65
15.1
3.70
20.5
100
110.1
19.7
2.12
12.4
2.72
21.3
107.4
19.8
2.09
12.7
2.77
21.3
105.9
19.9
2.06
12.9
2.83
21.2
120
129.7
18.8
2.54
10.1
2.17
22.0
127.1
19.0
2.51
10.4
2.21
21.9
125.6
19.1
2.48
10.6
2.26
21.9
60
71.4
22.2
1.29
17.8
5.04
20.8
69.1
22.4
1.26
18.1
5.21
20.7
66.7
22.6
1.23
18.4
5.38
20.5
80
91.0
21.4
1.71
15.6
3.67
22.0
88.7
21.6
1.68
15.9
3.78
21.8
86.4
21.8
1.64
16.2
3.88
21.7
100
110.6
20.6
2.12
13.4
2.84
23.1
108.4
20.8
2.09
13.6
2.91
23.0
106.2
20.9
2.06
13.9
2.98
22.8
120
130.2
19.8
2.54
11.1
2.28
24.3
128.1
20.0
2.51
11.4
2.33
24.1
125.9
20.1
2.47
11.7
2.38
24.0
60
71.8
22.9
1.29
18.4
5.19
22.6
69.3
23.0
1.26
18.7
5.35
22.5
66.8
23.2
1.23
19.0
5.53
22.4
80
91.3
21.9
1.71
16.1
3.76
23.5
88.9
22.1
1.68
16.4
3.87
23.4
86.6
22.3
1.64
16.7
3.98
23.3
100
110.8
21.0
2.12
13.7
2.90
24.5
108.6
21.2
2.09
14.1
2.97
24.4
106.3
21.4
2.06
14.4
3.05
24.2
120
130.3
20.1
2.54
11.4
2.31
25.4
128.2
20.3
2.51
11.7
2.37
25.3
126.0
20.5
2.47
12.1
2.43
25.2
60
72.1
23.5
1.29
19.1
5.34
24.4
69.6
23.7
1.26
19.3
5.50
24.3
67.0
23.8
1.23
19.6
5.67
24.2
80
91.6
22.4
1.71
16.6
3.85
25.1
89.1
22.6
1.68
16.9
3.96
25.0
86.7
22.8
1.64
17.2
4.07
24.9
100
111.0
21.4
2.12
14.1
2.95
25.8
108.7
21.6
2.09
14.5
3.03
25.7
106.4
21.9
2.06
14.8
3.12
25.6
120
130.5
20.3
2.54
11.6
2.34
26.6
128.3
20.6
2.51
12.1
2.41
26.5
126.2
20.9
2.47
12.5
2.48
26.3
60
75.2
29.4
1.31
24.9
6.55
37.2
71.9
29.5
1.27
25.1
6.79
37.1
68.7
29.5
1.23
25.3
7.03
37.0
80
94.5
28.2
1.74
22.3
4.74
38.5
91.4
28.3
1.69
22.5
4.89
38.4
88.3
28.3
1.65
22.7
5.04
38.3
100
113.9
27.0
2.16
19.6
3.65
39.9
111.0
27.1
2.11
19.9
3.75
39.7
108.0
27.2
2.06
20.1
3.85
39.6
120
133.3
25.9
2.59
17.0
2.91
41.2
130.5
25.9
2.54
17.3
2.99
41.1
127.7
26.0
2.48
17.5
3.07
41.0
60
75.7
30.4
1.31
25.9
6.79
39.6
72.3
30.4
1.27
26.1
7.02
39.5
69.0
30.5
1.23
26.3
7.25
39.5
80
95.0
29.1
1.74
23.2
4.90
40.7
91.8
29.1
1.69
23.4
5.04
40.6
88.6
29.2
1.65
23.6
5.19
40.6
100
114.3
27.7
2.16
20.4
3.76
41.8
111.3
27.8
2.11
20.6
3.86
41.7
108.2
27.9
2.06
20.9
3.96
41.6
120
133.6
26.4
2.59
17.6
2.99
42.9
130.7
26.5
2.54
17.9
3.06
42.8
127.8
26.6
2.48
18.2
3.15
42.7
60
76.2
31.5
1.32
27.0
6.98
42.1
72.7
31.4
1.27
27.1
7.23
42.0
69.2
31.4
1.23
27.2
7.48
42.0
80
95.4
30.0
1.74
24.0
5.02
42.9
92.1
30.0
1.69
24.2
5.18
42.9
88.8
30.0
1.65
24.4
5.34
42.8
100
114.7
28.5
2.17
21.1
3.83
43.8
111.5
28.5
2.11
21.3
3.95
43.7
108.4
28.6
2.06
21.6
4.06
43.6
120
133.9
27.0
2.59
18.1
3.04
44.7
131.0
27.1
2.54
18.4
3.13
44.6
128.0
27.3
2.48
18.8
3.22
44.5
60
78.9
36.6
1.33
32.1
8.06
53.5
74.8
36.5
1.28
32.1
8.37
53.4
70.7
36.4
1.23
32.2
8.67
53.4
80
98.1
35.0
1.77
29.0
5.81
55.0
94.2
35.0
1.71
29.1
6.00
55.0
90.3
34.9
1.65
29.3
6.20
54.9
100
117.3
33.5
2.20
25.9
4.45
56.6
113.5
33.4
2.14
26.1
4.59
56.5
109.8
33.4
2.07
26.3
4.73
56.4
120
136.4
31.9
2.64
22.9
3.54
58.2
132.9
31.9
2.57
23.1
3.65
58.1
129.4
31.9
2.49
23.4
3.75
57.9
60
79.6
38.0
1.34
33.4
8.34
56.6
75.3
37.9
1.28
33.5
8.65
56.6
71.1
37.7
1.23
33.5
8.98
56.6
80
98.7
36.3
1.77
30.2
6.00
57.9
94.7
36.2
1.71
30.3
6.19
57.9
90.6
36.1
1.65
30.4
6.40
57.8
100
117.8
34.5
2.21
27.0
4.58
59.2
114.0
34.5
2.14
27.2
4.72
59.1
110.1
34.4
2.07
27.3
4.87
59.0
120
136.9
32.8
2.64
23.7
3.63
60.5
133.3
32.8
2.57
24.0
3.74
60.4
129.6
32.8
2.49
24.3
3.85
60.3
60
80.3
39.4
1.34
34.8
8.61
59.7
75.9
39.2
1.29
34.8
8.95
59.7
71.5
39.0
1.23
34.8
9.29
59.7
80
99.3
37.5
1.77
31.4
6.19
60.7
95.1
37.3
1.71
31.5
6.40
60.7
91.0
37.2
1.65
31.6
6.61
60.7
100
118.3
35.5
2.21
28.0
4.72
61.8
114.4
35.5
2.14
28.2
4.86
61.7
110.4
35.4
2.07
28.3
5.01
61.7
120
137.3
33.6
2.64
24.6
3.73
62.8
133.6
33.6
2.57
24.8
3.84
62.7
129.9
33.6
2.49
25.1
3.95
62.6
60
82.7
44.0
1.37
39.3
9.41
69.7
77.7
43.7
1.31
39.2
9.79
69.8
72.8
43.4
1.25
39.1
80
101.6
41.9
1.80
35.7
6.80
71.6
96.9
41.7
1.73
35.8
7.07
71.6
92.2
41.5
1.66
35.9
7.33
71.5
100
Operation not recommended
120
90
5.5
60
83.5
45.5
1.38
40.8
9.66
73.6
78.2
44.8
1.32
40.3
9.96
73.8
73.0
44.1
1.26
39.8
10.30
73.9
80
102.3
43.2
1.81
37.0
6.99
75.2
97.4
42.8
1.74
36.8
7.22
75.2
92.5
42.4
1.66
36.7
7.46
75.2
60
84.2
47.0
1.39
42.3
9.91
77.6
78.7
45.9
1.33
41.4
10.16
77.8
73.2
44.8
1.26
40.5
10.42
78.1
80
102.9
44.5
1.82
38.3
7.18
78.7
97.8
43.8
1.74
37.9
7.38
78.8
92.7
43.2
1.67
37.5
7.59
79.0
100
Operation not recommended
120
7
69.8
100
120
Operation not recommended
8/19/09
30
GSW SPECIFICATION CATALOG
GSW025 DHW - Performance Data cont.
Heating Capacity
Source
EST
°F
Flow
GPM
Load Flow-4 GPM
10
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
Load Flow-5.5 GPM
COP
LST
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
Load Flow-7 GPM
COP
LST
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
COP
LST
°F
60
5.5
7
4
5.5
7
4
50
5.5
7
4
70
Operation not recommended
120
25
30
80
100
5.5
7
60
71.1
21.6
1.40
16.8
4.52
20.0
68.1
21.7
1.39
17.0
4.59
20.0
66.4
21.8
1.37
17.1
4.66
20.0
80
90.8
20.9
1.84
14.6
3.33
20.7
87.9
21.1
1.79
14.9
3.44
20.6
86.2
21.2
1.74
15.2
3.56
20.5
100
110.4
20.3
2.29
12.5
2.60
21.3
107.6
20.4
2.20
12.9
2.72
21.2
106.0
20.5
2.11
13.3
2.85
21.1
120
130.1
19.6
2.73
10.3
2.10
22.0
127.4
19.8
2.61
10.9
2.22
21.8
125.9
19.9
2.48
11.4
2.35
21.6
60
71.7
22.7
1.41
17.9
4.72
20.8
69.2
22.8
1.38
18.0
4.83
20.7
66.7
22.8
1.35
18.2
4.95
20.6
80
91.4
22.1
1.86
15.7
3.48
21.9
89.0
22.1
1.77
16.1
3.67
21.7
86.5
22.2
1.68
16.4
3.87
21.5
100
111.0
21.4
2.31
13.5
2.72
23.0
108.7
21.5
2.16
14.1
2.93
22.7
106.3
21.5
2.00
14.7
3.15
22.4
120
130.7
20.8
2.76
11.4
2.21
24.1
128.4
20.9
2.55
12.2
2.42
23.7
126.2
20.9
2.33
12.9
2.63
23.3
60
72.0
23.3
1.42
18.4
4.81
22.6
69.4
23.3
1.38
18.6
4.94
22.5
66.9
23.4
1.35
18.8
5.08
22.5
80
91.6
22.5
1.87
16.2
3.54
23.5
89.1
22.6
1.80
16.5
3.68
23.4
86.7
22.7
1.73
16.8
3.84
23.2
100
111.2
21.8
2.32
13.9
2.76
24.4
108.9
21.9
2.21
14.3
2.90
24.2
106.5
22.0
2.11
14.8
3.05
24.0
120
130.9
21.1
2.77
11.7
2.24
25.3
128.6
21.2
2.63
12.2
2.36
25.1
126.3
21.3
2.50
12.7
2.50
24.8
60
72.3
23.8
1.42
19.0
4.91
24.4
69.7
23.9
1.39
19.2
5.06
24.4
67.1
24.0
1.35
19.4
5.21
24.3
80
91.9
23.0
1.87
16.6
3.60
25.1
89.3
23.1
1.83
16.9
3.70
25.0
86.8
23.2
1.79
17.1
3.80
25.0
100
111.4
22.2
2.32
14.3
2.80
25.8
109.0
22.3
2.27
14.5
2.88
25.7
106.6
22.4
2.22
14.8
2.95
25.6
120
131.0
21.4
2.77
11.9
2.26
26.5
128.7
21.5
2.72
12.2
2.32
26.4
126.4
21.6
2.66
12.5
2.38
26.3
60
75.2
29.5
1.47
24.4
5.85
37.4
71.9
29.5
1.42
24.7
6.06
37.3
68.7
29.6
1.38
24.9
6.27
37.2
80
94.6
28.3
1.92
21.7
4.28
38.8
91.5
28.4
1.84
22.1
4.48
38.6
88.4
28.5
1.77
22.4
4.68
38.4
100
114.0
27.1
2.38
19.0
3.32
40.2
111.0
27.2
2.27
19.5
3.50
40.0
108.1
27.4
2.16
20.0
3.68
39.7
120
133.4
25.9
2.84
16.2
2.66
41.6
130.5
26.1
2.69
16.9
2.83
41.3
127.7
26.3
2.55
17.6
2.99
40.9
60
75.6
30.3
1.47
25.3
6.03
39.8
72.3
30.4
1.43
25.5
6.25
39.8
69.0
30.5
1.38
25.7
6.48
39.7
80
95.0
29.0
1.93
22.4
4.41
41.0
91.8
29.1
1.86
22.8
4.58
40.9
88.6
29.2
1.80
23.1
4.77
40.7
100
114.3
27.7
2.38
19.6
3.41
42.1
111.3
27.9
2.30
20.0
3.55
41.9
108.3
28.0
2.21
20.5
3.71
41.8
120
133.6
26.4
2.84
16.7
2.72
43.3
130.8
26.6
2.74
17.3
2.85
43.0
127.9
26.8
2.63
17.8
2.99
42.8
60
76.1
31.2
1.48
26.1
6.13
42.3
72.7
31.3
1.43
26.4
6.38
42.2
69.2
31.4
1.38
26.6
6.63
42.2
80
95.3
29.8
1.94
23.2
4.48
43.2
92.1
29.9
1.88
23.5
4.64
43.1
88.8
30.0
1.83
23.8
4.80
43.0
100
114.6
28.3
2.39
20.2
3.45
44.1
111.5
28.5
2.33
20.6
3.57
43.9
108.5
28.7
2.27
21.0
3.69
43.8
120
133.9
26.9
2.85
17.2
2.76
44.9
131.0
27.2
2.78
17.7
2.85
44.8
128.1
27.4
2.72
18.1
2.95
44.7
60
78.7
36.2
1.52
31.0
6.98
54.0
74.7
36.3
1.46
31.3
7.29
53.9
70.7
36.3
1.40
31.5
7.60
53.8
80
97.8
34.5
1.98
27.7
5.09
55.7
94.0
34.6
1.92
28.1
5.29
55.5
90.2
34.7
1.85
28.4
5.49
55.4
100
116.9
32.7
2.45
24.4
3.92
57.4
113.3
33.0
2.38
24.8
4.07
57.2
109.8
33.2
2.31
25.3
4.21
57.0
120
136.0
31.0
2.91
21.1
3.12
59.1
132.6
31.3
2.84
21.6
3.24
58.9
129.3
31.6
2.76
22.2
3.35
58.6
60
79.3
37.4
1.53
32.2
7.16
57.1
75.2
37.5
1.47
32.4
7.48
57.0
71.0
37.5
1.41
32.7
7.82
56.9
80
98.3
35.5
1.99
28.7
5.22
58.5
94.4
35.7
1.93
29.1
5.43
58.3
90.5
35.8
1.86
29.5
5.64
58.2
100
117.3
33.6
2.45
25.2
4.01
59.9
113.7
33.9
2.38
25.7
4.16
59.7
110.0
34.1
2.31
26.2
4.32
59.5
120
136.3
31.7
2.92
21.8
3.19
61.3
132.9
32.1
2.84
22.4
3.31
61.0
129.5
32.4
2.77
23.0
3.43
60.8
60
79.9
38.6
1.54
33.3
7.34
60.2
75.6
38.7
1.48
33.6
7.69
60.1
71.4
38.7
1.41
33.9
8.04
60.0
80
98.8
36.5
2.00
29.7
5.35
61.2
94.8
36.7
1.93
30.1
5.57
61.1
90.9
36.9
1.86
30.5
5.80
61.0
100
117.8
34.5
2.46
26.1
4.11
62.3
114.0
34.8
2.39
26.6
4.27
62.2
110.3
35.0
2.32
27.1
4.43
62.0
120
136.7
32.4
2.92
22.4
3.25
63.4
133.2
32.8
2.85
23.1
3.38
63.2
129.8
33.2
2.77
23.7
3.51
63.0
60
4
80
100
120
60
90
5.5
80
100
Operation not recommended
120
60
7
80
100
120
8/18/09
31
GSW SPECIFICATION CATALOG
GSW040 - Performance Data
Cooling Capacity
Source
EST
°F
Flow
GPM
5
30
7.5
10
5
50
7.5
10
5
Load Flow-5 GPM
Load Flow-7.5 GPM
LLT
°F
TC
MBTUH
Power
kW
HR
MBTUH
EER
LST
°F
LLT
°F
TC
MBTUH
Power
kW
HR
MBTUH
EER
LST
°F
LLT
°F
TC
MBTUH
Power
kW
HR
MBTUH
EER
LST
°F
50
34.0
38.7
1.38
43.4
28.0
47.9
37.8
39.8
1.39
44.5
28.7
48.4
41.6
40.9
1.39
45.6
29.4
48.8
70
54.5
37.5
1.27
41.8
29.4
47.2
58.3
38.0
1.25
42.3
30.4
47.4
62.0
38.6
1.23
42.8
31.4
47.6
90
75.1
36.2
1.17
40.2
31.1
46.6
78.8
36.2
1.12
40.0
32.6
46.5
82.5
36.2
1.06
39.9
34.1
46.4
110
95.6
35.0
1.06
38.6
33.0
45.9
99.3
34.5
0.98
37.8
35.3
45.6
103.0
33.9
0.90
37.0
37.7
45.2
50
34.5
37.7
1.32
42.2
28.6
43.2
38.2
38.6
1.33
43.1
29.1
43.5
41.9
39.4
1.33
43.9
29.6
43.8
70
55.1
36.2
1.23
40.4
29.6
42.6
58.7
36.7
1.21
40.8
30.3
42.8
62.3
37.1
1.19
41.2
31.2
42.9
90
75.7
34.7
1.13
38.6
30.7
42.1
79.3
34.8
1.09
38.5
31.9
42.1
82.8
34.9
1.05
38.5
33.1
42.0
110
96.3
33.2
1.04
36.7
32.1
41.6
99.8
32.9
0.98
36.2
33.7
41.4
103.3
32.6
0.92
35.7
35.6
41.2
50
34.9
36.7
1.26
41.0
29.1
38.5
38.5
37.3
1.27
41.6
29.5
38.6
42.2
37.9
1.27
42.2
29.8
38.7
70
55.6
34.9
1.18
38.9
29.7
38.0
59.1
35.3
1.17
39.3
30.3
38.1
62.6
35.7
1.16
39.6
30.9
38.2
90
76.3
33.2
1.09
36.9
30.3
37.6
79.7
33.3
1.07
37.0
31.2
37.6
83.1
33.5
1.04
37.1
32.1
37.6
110
97.1
31.4
1.01
34.8
31.1
37.2
100.3
31.4
0.97
34.7
32.4
37.1
103.5
31.3
0.93
34.5
33.7
37.1
50
35.3
35.7
1.76
41.7
21.6
67.2
38.6
37.4
1.76
43.4
22.6
67.9
41.9
39.2
1.76
45.2
23.5
68.6
70
53.4
40.2
1.73
46.1
24.5
69.0
57.3
41.5
1.72
47.4
25.5
69.5
61.2
42.8
1.71
48.6
26.4
70.1
90
71.5
44.8
1.71
50.6
27.4
70.9
76.0
45.6
1.69
51.4
28.5
71.2
80.4
46.4
1.66
52.1
29.5
71.5
110
89.6
49.4
1.68
55.1
30.4
72.7
94.7
49.7
1.65
55.3
31.7
72.8
99.7
50.1
1.62
55.6
33.0
72.9
50
39.1
35.3
1.69
41.0
20.9
62.8
38.8
36.9
1.68
42.6
21.9
63.3
42.1
38.5
1.68
44.2
22.9
63.8
70
57.8
39.2
1.65
44.8
23.7
64.0
58.7
40.3
1.64
45.9
24.5
64.4
61.4
41.5
1.63
47.1
25.4
64.7
90
76.5
43.0
1.62
48.6
26.5
65.2
77.8
43.8
1.60
49.2
27.3
65.4
80.8
44.5
1.59
49.9
28.1
65.7
110
95.2
46.9
1.59
52.3
29.5
66.5
95.4
47.2
1.56
52.5
30.2
66.5
100.2
47.5
1.54
52.7
30.9
66.6
50
42.8
34.9
1.61
40.4
23.0
58.3
38.9
36.4
1.61
41.9
23.8
58.6
42.2
37.9
1.61
43.3
24.7
58.9
70
62.1
38.1
1.57
43.5
25.3
59.0
60.1
39.1
1.57
44.5
26.1
59.2
61.7
40.2
1.56
45.5
26.9
59.4
90
81.5
41.3
1.54
46.5
27.6
59.6
79.6
41.9
1.52
47.1
28.4
59.7
81.2
42.6
1.51
47.7
29.1
59.8
110
100.8
44.5
1.50
49.6
30.0
60.2
96.2
44.7
1.48
49.7
30.8
60.3
100.7
44.9
1.46
49.9
31.5
60.3
50
36.6
32.6
2.14
39.9
15.2
86.5
39.4
35.0
2.14
42.3
16.4
87.4
42.3
37.4
2.13
44.7
17.6
88.4
70
52.3
43.0
2.19
50.5
19.6
90.8
56.3
45.0
2.20
52.5
20.5
91.6
60.3
47.0
2.20
54.5
21.4
92.5
90
68.0
53.3
2.25
61.0
23.7
95.2
73.2
55.0
2.26
62.7
24.4
95.8
78.3
56.6
2.26
64.3
25.0
96.5
110
70
7.5
Operation not recommended
50
36.5
32.9
2.05
39.8
16.0
82.3
39.4
35.2
2.04
42.2
17.2
83.1
42.2
37.6
2.04
44.5
18.5
83.8
70
56.9
42.1
2.08
49.2
20.2
85.3
58.7
44.0
2.08
51.1
21.2
85.9
60.5
45.9
2.08
52.9
22.1
86.5
90
73.9
51.4
2.11
58.6
24.3
88.4
76.4
52.7
2.12
59.9
24.9
88.8
78.8
54.1
2.12
61.3
25.5
89.3
110
10
5
Operation not recommended
50
36.4
33.1
1.96
39.8
16.9
78.2
39.3
35.5
1.95
42.1
18.2
78.7
42.2
37.8
1.94
44.4
19.5
79.2
70
61.5
41.2
1.97
48.0
20.9
79.9
61.1
43.0
1.96
49.7
21.9
80.2
60.8
44.7
1.96
51.4
22.8
80.6
90
79.8
49.4
1.98
56.1
24.9
81.6
79.6
50.5
1.98
57.2
25.5
81.8
79.4
51.6
1.97
58.3
26.1
82.0
110
86.3
57.5
1.99
64.3
28.9
83.3
92.1
58.0
1.99
64.8
29.1
83.4
97.9
58.5
1.99
65.3
29.4
83.5
107.4
50
38.0
29.1
2.74
38.4
11.4
105.8
40.6
30.9
2.74
40.3
12.2
106.6
43.2
32.8
2.74
42.2
13.0
70
53.8
39.2
2.80
48.8
15.0
110.1
57.5
41.1
2.81
50.7
15.7
110.9
61.1
43.0
2.81
52.6
16.4
111.7
90
69.6
49.4
2.86
59.1
18.4
114.4
74.3
51.3
2.87
61.1
19.0
115.2
79.0
53.3
2.88
63.1
19.6
116.0
50
41.0
29.2
2.65
38.3
11.0
101.8
40.6
31.1
2.64
40.1
11.8
102.4
43.2
33.0
2.64
42.0
12.5
103.0
70
57.9
38.9
2.68
48.1
14.5
104.9
59.6
40.8
2.68
49.9
15.2
105.5
61.2
42.7
2.68
51.8
15.9
106.1
90
74.9
48.6
2.71
57.9
17.9
108.0
77.0
50.5
2.71
59.7
18.6
108.6
79.2
52.3
2.71
61.6
19.3
109.2
110
90
7.5
Operation not recommended
110
10
Operation not recommended
50
43.9
29.4
2.55
38.1
12.5
97.9
40.5
31.3
2.54
40.0
13.4
98.2
43.1
33.3
2.54
41.9
14.3
98.6
70
62.0
38.7
2.56
47.4
16.2
99.8
61.7
40.5
2.55
49.2
17.0
100.1
61.3
42.3
2.54
51.0
17.8
100.5
90
80.1
47.9
2.56
56.6
19.8
101.7
79.8
49.6
2.56
58.4
20.6
102.0
79.4
51.4
2.55
60.1
21.3
102.4
110
5
Operation not recommended
50
39.5
25.5
3.34
36.9
7.6
125.2
41.8
26.9
3.35
38.3
8.0
125.8
44.2
28.2
3.35
39.6
8.4
126.3
70
55.4
35.5
3.41
47.1
10.4
129.4
58.7
37.3
3.42
48.9
10.9
130.2
61.9
39.1
3.42
50.8
11.4
130.9
50
39.4
25.6
3.24
36.7
7.9
121.4
41.8
27.0
3.24
38.1
8.3
121.8
44.1
28.5
3.24
39.5
8.8
122.2
70
59.0
35.8
3.28
46.9
10.9
124.5
60.4
37.6
3.28
48.8
11.5
125.1
61.9
39.5
3.28
50.7
12.1
125.7
50
39.4
25.7
3.14
36.4
8.2
117.5
41.7
27.2
3.14
37.9
8.7
117.8
44.1
28.7
3.13
39.4
9.2
118.1
70
62.6
36.1
3.14
46.8
11.5
119.6
62.2
38.0
3.14
48.7
12.1
120.0
61.8
39.9
3.13
50.6
12.8
120.4
90
Operation not recommended
110
110
7.5
90
Operation not recommended
110
10
Load Flow-10 GPM
ELT
°F
90
110
Operation not recommended
8/20/09
32
GSW SPECIFICATION CATALOG
GSW040 - Performance Data cont.
Heating Capacity
Source
EST
°F
Flow
GPM
Load Flow-5 GPM
10
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
Load Flow-7.5 GPM
COP
LST
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
Load Flow-10 GPM
COP
LST
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
COP
LST
°F
60
7.5
10
5
7.5
10
5
50
7.5
10
5
70
Operation not recommended
120
25
30
80
100
7.5
10
5
60
72.2
29.7
1.83
23.5
4.76
20.2
68.2
29.7
1.78
23.6
4.89
20.1
66.1
29.6
1.72
23.7
5.04
20.1
80
91.9
28.8
2.42
20.6
3.50
20.8
87.9
28.8
2.36
20.7
3.58
20.7
85.9
28.7
2.29
20.9
3.67
20.7
100
111.5
28.0
3.00
17.7
2.73
21.3
107.7
27.9
2.94
17.9
2.78
21.3
105.7
27.8
2.87
18.0
2.84
21.3
120
131.2
27.1
3.59
14.8
2.21
21.9
127.4
27.0
3.52
15.0
2.25
21.9
125.5
26.9
3.44
15.2
2.29
21.9
60
72.7
30.9
1.84
24.6
4.92
19.8
69.5
30.8
1.79
24.7
5.06
19.8
66.3
30.7
1.73
24.8
5.20
19.8
80
92.4
30.0
2.42
21.8
3.64
21.0
89.3
30.0
2.36
21.9
3.73
21.0
86.2
29.9
2.30
22.0
3.81
20.9
100
112.0
29.2
2.99
19.0
2.85
22.2
109.0
29.1
2.93
19.1
2.91
22.1
106.0
29.0
2.86
19.3
2.97
22.1
120
131.7
28.3
3.57
16.1
2.32
23.4
128.7
28.3
3.50
16.3
2.37
23.3
125.8
28.2
3.43
16.5
2.41
23.2
60
73.3
32.3
1.84
26.0
5.14
22.1
70.0
32.2
1.78
26.1
5.29
22.1
66.6
32.2
1.73
26.3
5.46
22.0
80
92.8
31.0
2.43
22.7
3.74
23.1
89.6
31.0
2.36
23.0
3.85
23.0
86.4
31.1
2.29
23.2
3.97
22.9
100
112.3
29.8
3.02
19.5
2.90
24.0
109.2
29.9
2.94
19.9
2.98
23.9
106.2
30.0
2.86
20.2
3.07
23.9
120
131.8
28.6
3.61
16.3
2.32
25.0
128.9
28.7
3.52
16.7
2.39
24.9
125.9
28.9
3.43
17.1
2.46
24.8
60
73.9
33.6
1.84
27.3
5.35
24.4
70.4
33.6
1.78
27.5
5.54
24.3
66.9
33.6
1.72
27.7
5.72
24.3
80
93.2
32.0
2.44
23.7
3.85
25.1
89.9
32.1
2.37
24.1
3.99
25.0
86.6
32.2
2.29
24.4
4.12
25.0
100
112.6
30.5
3.04
20.1
2.94
25.9
109.5
30.7
2.95
20.6
3.05
25.8
106.4
30.9
2.86
21.1
3.16
25.6
120
131.9
28.9
3.64
16.5
2.33
26.6
129.0
29.2
3.54
17.1
2.42
26.5
126.1
29.5
3.43
17.8
2.52
26.3
60
76.9
41.1
1.88
34.7
6.37
35.7
72.7
40.8
1.81
34.7
6.61
35.7
68.4
40.6
1.74
34.6
6.84
35.7
80
96.3
39.5
2.47
31.1
4.67
37.2
92.2
39.3
2.39
31.1
4.82
37.2
88.1
39.1
2.30
31.2
4.97
37.1
100
115.6
37.9
3.06
27.4
3.61
38.7
111.7
37.7
2.96
27.6
3.72
38.6
107.8
37.6
2.87
27.8
3.84
38.5
120
134.9
36.3
3.65
23.8
2.90
40.2
131.2
36.2
3.54
24.1
2.99
40.1
127.5
36.2
3.44
24.4
3.08
39.9
60
77.7
43.0
1.86
36.6
6.77
38.9
73.2
42.7
1.80
36.5
6.95
38.9
68.7
42.3
1.74
36.4
7.15
38.9
80
96.9
41.1
2.46
32.7
4.89
40.1
92.7
40.9
2.38
32.7
5.03
40.0
88.4
40.7
2.30
32.8
5.18
40.0
100
116.1
39.1
3.06
28.7
3.75
41.3
112.1
39.1
2.97
29.0
3.86
41.2
108.0
39.0
2.87
29.2
3.98
41.1
120
135.4
37.2
3.66
24.7
2.98
42.4
131.5
37.3
3.55
25.2
3.08
42.3
127.7
37.4
3.44
25.6
3.19
42.2
60
78.5
44.9
1.84
38.6
7.14
42.0
73.8
44.5
1.79
38.4
7.29
42.1
69.1
44.1
1.74
38.2
7.43
42.1
80
97.6
42.6
2.45
34.3
5.08
42.9
93.1
42.5
2.38
34.3
5.23
42.9
88.7
42.3
2.30
34.4
5.37
42.9
100
116.7
40.4
3.07
30.0
3.85
43.8
112.5
40.4
2.97
30.3
3.99
43.8
108.3
40.4
2.87
30.6
4.13
43.7
120
135.8
38.2
3.68
25.6
3.03
44.7
131.9
38.4
3.56
26.3
3.16
44.6
128.0
38.6
3.44
26.9
3.29
44.5
60
81.2
51.3
1.92
44.7
7.83
51.5
75.8
50.9
1.83
44.6
8.16
51.6
70.4
50.4
1.74
44.5
8.49
51.7
80
100.2
48.9
2.52
40.3
5.69
53.4
95.1
48.6
2.42
40.4
5.91
53.4
90.0
48.3
2.31
40.4
6.13
53.3
100
119.2
46.6
3.12
35.9
4.37
55.2
114.4
46.4
3.00
36.1
4.54
55.1
109.5
46.2
2.88
36.4
4.70
55.0
120
138.2
44.2
3.72
31.5
3.48
57.0
133.7
44.2
3.59
31.9
3.61
56.8
129.1
44.1
3.45
32.3
3.75
56.7
60
82.1
53.7
1.88
47.3
8.37
55.6
76.5
53.1
1.81
46.9
8.58
55.7
70.8
52.5
1.75
46.5
8.82
55.8
80
101.1
51.1
2.49
42.6
6.00
57.1
95.7
50.7
2.40
42.5
6.18
57.1
90.4
50.3
2.31
42.4
6.38
57.1
100
120.0
48.5
3.11
37.9
4.57
58.5
115.0
48.3
2.99
38.1
4.73
58.4
109.9
48.1
2.88
38.3
4.90
58.4
120
138.9
45.9
3.72
33.2
3.61
59.9
134.2
45.9
3.58
33.6
3.75
59.8
129.5
45.9
3.45
34.1
3.90
59.6
60
83.1
56.1
1.84
49.8
8.93
59.7
77.2
55.4
1.80
49.2
9.04
59.9
71.3
54.6
1.75
48.6
9.14
60.0
80
102.0
53.2
2.47
44.8
6.32
60.8
96.4
52.8
2.39
44.6
6.47
60.8
90.8
52.3
2.31
44.4
6.62
60.8
100
120.8
50.4
3.09
39.8
4.77
61.8
115.5
50.2
2.99
40.0
4.93
61.8
110.3
50.0
2.88
40.2
5.09
61.7
120
139.6
47.5
3.72
34.8
3.74
62.8
134.7
47.6
3.58
35.4
3.90
62.7
129.8
47.7
3.44
36.0
4.06
62.6
60
85.4
61.5
1.99
54.7
9.05
67.4
78.5
59.0
1.88
52.5
9.20
68.3
71.6
56.4
1.77
50.4
9.34
69.2
80
104.5
59.4
2.56
50.7
6.79
69.1
97.8
56.7
2.44
48.3
6.80
70.1
91.1
53.9
2.32
46.0
6.80
71.0
100
Operation not recommended
120
90
7.5
60
86.2
63.7
2.01
56.8
9.30
72.6
79.0
60.4
1.89
53.9
9.37
73.5
71.8
57.1
1.77
51.0
9.44
74.3
80
105.5
61.9
2.58
53.1
7.03
73.8
98.4
58.3
2.45
49.9
6.97
74.7
91.3
54.7
2.33
46.8
6.90
75.6
100
124.8
60.1
3.15
49.3
5.59
75.0
117.8
56.2
3.01
45.9
5.47
76.0
110.8
52.4
2.88
42.6
5.33
76.9
120
10
Operation not recommended
60
87.1
65.8
2.02
58.9
9.54
77.9
79.5
61.8
1.90
55.3
9.55
78.6
71.9
57.7
1.77
51.7
9.55
79.3
80
106.5
64.3
2.59
55.4
7.27
78.6
99.0
59.9
2.46
51.5
7.13
79.4
91.5
55.6
2.33
47.6
7.00
80.2
100
125.9
62.7
3.16
51.9
5.82
79.3
118.4
58.1
3.02
47.8
5.62
80.2
111.0
53.4
2.88
43.6
5.43
81.0
120
Operation not recommended
8/17/09
33
GSW SPECIFICATION CATALOG
GSW050 - Performance Data
Cooling Capacity
Source
EST
°F
Flow
GPM
8
30
11.5
15
8
50
11.5
15
8
Load Flow-8 GPM
Load Flow-11.5 GPM
LLT
°F
TC
MBTUH
Power
kW
HR
MBTUH
EER
LST
°F
LLT
°F
TC
MBTUH
Power
kW
HR
MBTUH
EER
LST
°F
LLT
°F
TC
MBTUH
Power
kW
HR
MBTUH
EER
LST
°F
50
35.8
55.2
1.98
61.9
27.9
46.0
38.8
57.0
2.00
63.8
28.6
46.4
41.9
58.8
2.01
65.7
29.3
46.9
70
54.6
59.8
2.01
66.6
29.8
47.2
58.0
61.0
2.02
67.8
30.3
47.5
61.5
62.2
2.02
69.1
30.7
47.8
90
73.4
64.3
2.03
71.3
31.6
48.4
77.2
64.9
2.04
71.9
31.9
48.5
81.0
65.5
2.04
72.5
32.2
48.7
110
92.2
68.9
2.06
75.9
33.4
49.6
96.4
68.9
2.06
75.9
33.5
49.6
100.5
68.9
2.05
75.9
33.6
49.6
50
35.9
54.6
1.90
61.1
28.8
42.1
39.0
56.3
1.92
62.8
29.3
42.5
42.0
57.9
1.94
64.5
29.8
42.8
70
55.0
58.1
1.92
64.6
30.3
42.9
58.4
59.1
1.93
65.7
30.7
43.1
61.7
60.2
1.94
66.9
31.0
43.3
90
74.2
61.5
1.93
68.1
31.8
43.6
77.8
62.0
1.94
68.6
32.0
43.8
81.4
62.6
1.94
69.2
32.3
43.9
110
93.3
64.9
1.95
71.6
33.3
44.4
97.2
64.9
1.95
71.5
33.4
44.4
101.1
64.9
1.94
71.5
33.5
44.4
50
36.1
54.1
1.82
60.3
29.7
38.3
39.1
55.6
1.85
61.8
30.1
38.5
42.2
57.0
1.87
63.4
30.5
38.7
70
55.5
56.4
1.83
62.6
30.9
38.6
58.7
57.3
1.84
63.6
31.1
38.7
62.0
58.3
1.86
64.6
31.4
38.9
90
74.9
58.6
1.83
64.9
32.0
38.9
78.3
59.1
1.84
65.4
32.2
39.0
81.8
59.6
1.84
65.9
32.3
39.1
110
94.3
60.9
1.84
67.2
33.1
39.2
98.0
60.9
1.84
67.2
33.2
39.2
101.6
60.9
1.83
67.1
33.3
39.2
50
36.7
51.5
2.53
60.2
21.7
65.5
39.5
53.5
2.53
62.2
22.4
66.0
42.4
55.5
2.54
64.2
23.1
66.5
70
54.6
59.9
2.58
68.7
24.4
67.7
57.9
61.5
2.59
70.4
24.9
68.1
61.3
63.1
2.60
72.0
25.5
68.5
90
72.4
68.3
2.64
77.3
26.9
69.9
76.3
69.5
2.65
78.5
27.3
70.2
80.3
70.7
2.65
79.8
27.7
70.6
110
90.2
76.7
2.70
85.9
29.4
72.1
94.7
77.5
2.71
86.7
29.6
72.4
99.2
78.3
2.71
87.5
29.8
72.6
50
39.8
51.6
2.43
59.9
21.3
61.9
39.6
53.4
2.44
61.7
21.9
62.2
42.4
55.2
2.45
63.6
22.5
62.6
70
58.3
58.9
2.47
67.4
23.9
63.4
58.2
60.3
2.48
68.8
24.4
63.7
61.5
61.7
2.48
70.2
24.9
64.0
90
76.8
66.3
2.51
74.8
26.4
64.9
76.8
67.3
2.51
75.8
26.8
65.1
80.6
68.3
2.52
76.9
27.1
65.4
110
95.3
73.6
2.55
82.3
28.9
66.5
95.4
74.2
2.55
82.9
29.1
66.6
99.7
74.8
2.55
83.5
29.3
66.7
50
42.9
51.7
2.33
59.7
23.5
58.2
39.6
53.3
2.35
61.3
24.0
58.4
42.5
54.9
2.36
63.0
24.5
58.7
70
62.0
58.0
2.35
66.0
25.8
59.1
58.4
59.2
2.36
67.2
26.2
59.2
61.7
60.4
2.37
68.5
26.5
59.4
90
81.2
64.2
2.37
72.3
28.0
59.9
77.2
65.0
2.38
73.1
28.2
60.1
80.9
65.9
2.38
74.0
28.5
60.2
110
100.3
70.5
2.39
78.6
30.2
60.8
96.0
70.9
2.39
79.1
30.3
60.9
100.2
71.4
2.40
79.5
30.5
60.9
50
37.7
47.9
3.07
58.4
15.6
85.0
40.2
50.1
3.07
60.5
16.3
85.6
42.8
52.2
3.07
62.7
17.0
86.2
70
54.5
60.1
3.16
70.9
19.0
88.3
57.9
62.1
3.17
72.9
19.6
88.8
61.2
64.0
3.17
74.9
20.2
89.3
90
71.4
72.3
3.25
83.4
22.2
91.5
75.5
74.1
3.26
85.2
22.7
92.0
79.6
75.9
3.27
87.0
23.2
92.4
110
70
11.5
Operation not recommended
50
37.5
48.6
2.96
58.7
16.4
81.6
40.1
50.6
2.96
60.6
17.1
82.0
42.8
52.5
2.96
62.6
17.7
82.4
70
54.6
59.8
3.02
70.1
19.8
83.9
57.9
61.5
3.02
71.8
20.4
84.3
61.3
63.3
3.03
73.6
20.9
84.6
90
71.7
71.0
3.08
81.5
23.1
86.2
75.8
72.5
3.09
83.1
23.5
86.5
79.8
74.0
3.10
84.6
23.9
86.9
110
15
8
Operation not recommended
50
37.3
49.3
2.84
59.0
17.4
78.1
40.0
51.1
2.85
60.8
17.9
78.4
42.7
52.8
2.85
62.5
18.5
78.6
70
54.7
59.5
2.87
69.3
20.7
79.5
58.0
61.0
2.88
70.8
21.2
79.7
61.4
62.5
2.89
72.3
21.6
79.9
90
72.0
69.8
2.91
79.7
24.0
81.0
76.1
71.0
2.92
80.9
24.3
81.1
80.1
72.1
2.92
82.1
24.7
81.3
110
89.4
80.0
2.94
90.0
27.2
82.4
94.1
80.9
2.95
91.0
27.4
82.5
98.8
81.8
2.96
91.9
27.6
82.6
50
38.9
43.0
3.93
56.4
11.8
104.5
41.3
44.7
3.94
58.1
12.2
105.0
43.6
46.4
3.95
59.9
12.7
105.4
70
56.0
54.5
4.02
68.2
14.5
107.6
59.0
56.2
4.04
70.0
14.9
108.0
62.0
58.0
4.05
71.8
15.4
108.5
90
73.0
66.0
4.12
80.0
17.1
110.6
76.7
67.8
4.13
81.9
17.5
111.1
80.4
69.5
4.15
83.7
17.9
111.6
110
90
11.5
Operation not recommended
50
38.8
43.6
3.81
56.6
11.5
101.2
41.2
45.2
3.81
58.2
11.8
101.5
43.6
46.8
3.82
59.8
12.2
101.8
70
55.9
54.7
3.87
67.9
14.1
103.4
59.0
56.3
3.88
69.6
14.5
103.8
62.0
57.9
3.89
71.2
14.9
104.1
90
73.0
65.9
3.93
79.3
16.8
105.7
76.8
67.5
3.95
81.0
17.1
106.1
80.5
69.1
3.96
82.7
17.4
106.4
98.2
110
15
Operation not recommended
50
38.6
44.2
3.68
56.8
13.0
97.8
41.1
45.7
3.69
58.2
13.4
98.0
43.5
47.1
3.69
59.7
13.8
70
55.8
55.0
3.72
67.7
15.9
99.3
58.9
56.5
3.72
69.2
16.3
99.5
62.0
57.9
3.73
70.7
16.7
99.7
90
73.0
65.8
3.75
78.6
18.7
100.8
76.8
67.3
3.76
80.1
19.1
101.0
80.6
68.7
3.77
81.6
19.4
101.2
50
40.2
38.0
4.79
54.3
7.9
124.0
42.3
39.3
4.81
55.7
8.2
124.4
44.4
40.6
4.82
57.1
8.4
124.7
70
57.4
48.8
4.89
65.5
10.0
126.9
60.1
50.4
4.91
67.1
10.3
127.3
62.9
51.9
4.93
68.7
10.5
127.7
110
8
Operation not recommended
90
Operation not recommended
110
110
11.5
50
40.1
38.6
4.66
54.4
8.3
120.8
42.2
39.8
4.67
55.7
8.5
121.0
44.4
41.0
4.68
57.0
8.8
121.3
70
57.2
49.7
4.72
65.8
10.5
123.0
60.0
51.2
4.74
67.3
10.8
123.3
62.8
52.6
4.75
68.9
11.1
123.6
90
Operation not recommended
110
15
Load Flow-15 GPM
ELT
°F
50
39.9
39.1
4.52
54.5
8.7
117.5
42.1
40.3
4.53
55.7
8.9
117.7
44.3
41.4
4.53
56.9
9.1
117.8
70
57.0
50.5
4.56
66.1
11.1
119.1
59.8
51.9
4.57
67.5
11.4
119.3
62.7
53.4
4.58
69.0
11.7
119.5
90
110
Operation not recommended
8/20/09
34
GSW SPECIFICATION CATALOG
GSW050 - Performance Data cont.
Heating Capacity
Source
EST
°F
Flow
GPM
Load Flow-8 GPM
10
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
Load Flow-11.5 GPM
COP
LST
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
Load Flow-15 GPM
COP
LST
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
COP
LST
°F
60
11.5
15
8
11.5
15
8
50
11.5
15
8
70
Operation not recommended
120
25
30
80
100
11.5
15
8
60
71.3
43.9
2.50
35.4
5.15
20.1
67.9
44.0
2.50
35.4
5.16
20.1
66.0
44.0
2.49
35.5
5.18
20.1
80
91.0
42.6
3.41
31.0
3.66
20.7
87.6
42.6
3.37
31.1
3.71
20.7
85.9
42.6
3.33
31.3
3.75
20.7
100
110.6
41.3
4.32
26.6
2.80
21.3
107.4
41.3
4.25
26.8
2.85
21.3
105.7
41.3
4.17
27.0
2.90
21.3
120
130.3
40.0
5.23
22.2
2.24
22.0
127.2
40.0
5.12
22.5
2.29
21.9
125.5
39.9
5.01
22.8
2.33
21.9
60
71.8
45.7
2.36
37.6
5.67
20.3
69.0
45.8
2.43
37.5
5.53
20.3
66.3
45.8
2.49
37.3
5.39
20.4
80
91.4
44.4
3.31
33.1
3.92
21.5
88.8
44.4
3.33
33.0
3.91
21.5
86.1
44.4
3.34
33.0
3.89
21.5
100
111.1
43.0
4.27
28.5
2.96
22.7
108.5
43.0
4.23
28.6
2.98
22.6
105.9
43.0
4.19
28.7
3.01
22.6
120
130.7
41.7
5.22
23.9
2.34
23.8
128.2
41.7
5.13
24.1
2.38
23.8
125.7
41.6
5.04
24.4
2.42
23.7
60
72.2
47.2
2.50
38.6
5.53
22.4
69.3
47.2
2.49
38.7
5.56
22.4
66.5
47.3
2.48
38.8
5.59
22.4
80
91.7
45.5
3.41
33.9
3.92
23.4
89.0
45.6
3.37
34.1
3.96
23.3
86.3
45.6
3.33
34.2
4.01
23.3
100
111.3
43.9
4.31
29.2
2.98
24.3
108.7
43.9
4.25
29.4
3.03
24.2
106.0
43.9
4.18
29.6
3.08
24.2
120
130.9
42.3
5.22
24.5
2.37
25.2
128.4
42.3
5.13
24.8
2.42
25.1
125.8
42.2
5.03
25.0
2.46
25.1
60
72.5
48.6
2.64
39.6
5.39
24.6
69.6
48.7
2.56
40.0
5.59
24.5
66.7
48.8
2.47
40.4
5.79
24.5
80
92.0
46.7
3.50
34.8
3.91
25.2
89.2
46.8
3.41
35.1
4.02
25.2
86.4
46.8
3.32
35.5
4.13
25.1
100
111.5
44.8
4.36
29.9
3.01
25.9
108.9
44.8
4.27
30.2
3.08
25.8
106.2
44.8
4.17
30.6
3.15
25.8
120
131.1
42.9
5.22
25.1
2.41
26.6
128.5
42.9
5.12
25.4
2.45
26.5
125.9
42.8
5.02
25.7
2.50
26.5
60
75.1
58.8
2.56
50.0
6.65
37.1
71.6
58.6
2.54
50.0
6.72
37.1
68.0
58.5
2.52
49.9
6.80
37.1
80
94.5
56.3
3.47
44.4
4.71
38.5
91.1
56.2
3.42
44.6
4.80
38.5
87.7
56.2
3.36
44.7
4.88
38.5
100
113.9
53.9
4.39
38.9
3.58
40.0
110.6
53.8
4.30
39.2
3.66
39.9
107.4
53.8
4.21
39.4
3.74
39.8
120
133.2
51.4
5.30
33.3
2.83
41.4
130.2
51.4
5.18
33.7
2.91
41.3
127.1
51.5
5.06
34.2
2.98
41.2
60
75.7
61.0
2.64
52.0
6.78
39.8
72.0
60.8
2.58
52.0
6.91
39.9
68.3
60.5
2.51
51.9
7.06
39.9
80
95.0
58.1
3.53
46.1
4.83
41.0
91.5
57.9
3.44
46.2
4.93
41.0
87.9
57.8
3.36
46.3
5.04
41.0
100
114.2
55.2
4.41
40.2
3.67
42.1
110.9
55.1
4.31
40.4
3.75
42.1
107.6
55.0
4.21
40.6
3.83
42.0
120
133.5
52.4
5.30
34.3
2.89
43.3
130.3
52.3
5.18
34.6
2.96
43.2
127.2
52.3
5.06
35.0
3.03
43.1
60
76.3
63.3
2.72
54.0
6.79
42.6
72.4
62.9
2.61
54.0
7.03
42.6
68.6
62.5
2.51
53.9
7.27
42.6
80
95.4
59.9
3.58
47.7
4.89
43.4
91.8
59.6
3.47
47.8
5.03
43.4
88.2
59.4
3.36
47.9
5.17
43.4
100
114.6
56.6
4.44
41.5
3.72
44.3
111.2
56.4
4.32
41.7
3.82
44.3
107.7
56.2
4.20
41.9
3.91
44.2
120
133.7
53.3
5.30
35.2
2.94
45.2
130.5
53.2
5.18
35.5
3.01
45.1
127.3
53.1
5.05
35.8
3.07
45.1
60
78.5
71.8
2.76
62.4
7.62
53.9
74.1
71.5
2.65
62.5
7.92
53.9
69.8
71.2
2.54
62.5
8.21
53.9
80
97.6
68.2
3.63
55.8
5.50
55.6
93.5
68.1
3.51
56.1
5.69
55.5
89.3
67.9
3.39
56.3
5.87
55.5
100
116.7
64.7
4.51
49.3
4.20
57.3
112.8
64.6
4.37
49.7
4.34
57.2
108.9
64.6
4.23
50.2
4.47
57.1
120
135.7
61.1
5.38
42.7
3.33
59.0
132.1
61.2
5.23
43.4
3.43
58.8
128.4
61.3
5.08
44.0
3.54
58.7
60
79.3
74.9
2.78
65.4
7.90
57.3
74.7
74.3
2.66
65.2
8.18
57.3
70.1
73.7
2.55
65.0
8.48
57.3
80
98.2
70.7
3.64
58.3
5.69
58.6
93.9
70.3
3.52
58.3
5.86
58.6
89.6
69.9
3.39
58.3
6.04
58.6
100
117.2
66.6
4.51
51.2
4.32
60.0
113.1
66.3
4.37
51.4
4.44
59.9
109.1
66.1
4.24
51.6
4.57
59.9
120
136.1
62.4
5.38
44.0
3.40
61.4
132.3
62.4
5.23
44.5
3.49
61.3
128.6
62.3
5.08
45.0
3.59
61.2
60
80.1
77.9
2.79
68.4
8.18
60.6
75.3
77.1
2.67
67.9
8.47
60.7
70.5
76.2
2.55
67.5
8.76
60.7
80
98.9
73.2
3.65
60.7
5.87
61.7
94.4
72.5
3.52
60.5
6.04
61.7
89.9
71.9
3.39
60.3
6.21
61.7
100
117.6
68.4
4.52
53.0
4.44
62.7
113.5
68.0
4.38
53.1
4.56
62.7
109.3
67.6
4.24
53.1
4.68
62.7
120
136.4
63.7
5.38
45.3
3.47
63.8
132.6
63.5
5.23
45.7
3.56
63.7
128.7
63.3
5.08
46.0
3.65
63.7
60
81.9
84.9
2.85
75.2
8.73
70.6
76.5
82.8
3.51
70.8
7.21
71.7
71.1
80.7
4.16
66.5
5.68
72.9
80
100.6
80.1
3.71
67.4
6.32
72.6
95.6
78.7
4.09
64.8
5.70
73.3
90.6
77.4
4.47
62.2
5.08
74.0
100
119.4
75.2
4.58
59.6
4.82
74.6
114.8
74.7
4.68
58.7
4.68
74.9
110.2
74.1
4.77
57.8
4.55
75.1
120
90
11.5
Operation not recommended
60
82.3
86.6
2.86
76.9
8.89
74.9
76.8
84.1
3.12
73.5
7.91
75.6
71.2
81.6
3.38
70.1
7.08
76.4
80
101.1
81.8
3.72
69.0
6.43
76.5
95.9
80.2
3.84
67.1
6.12
76.9
90.8
78.6
3.95
65.1
5.83
77.3
100
119.8
76.9
4.59
61.2
4.91
78.0
115.1
76.2
4.56
60.7
4.90
78.1
110.4
75.5
4.52
60.1
4.90
78.3
120
15
Operation not recommended
60
82.8
88.3
2.86
78.5
9.05
79.2
77.0
85.4
2.73
76.1
9.19
79.5
71.3
82.5
2.59
73.7
9.33
79.9
80
101.5
83.4
3.73
70.7
6.55
80.3
96.2
81.6
3.58
69.3
6.68
80.5
91.0
79.7
3.43
68.0
6.81
80.7
100
120.2
78.6
4.61
62.8
5.00
81.4
115.4
77.7
4.44
62.6
5.14
81.4
110.6
76.9
4.26
62.3
5.28
81.4
120
Operation not recommended
8/19/09
35
GSW SPECIFICATION CATALOG
GSW060 - Performance Data
Cooling Capacity
Source
EST
°F
Flow
GPM
9
30
13.5
18
9
50
13.5
18
9
Load Flow-9 GPM
Load Flow-13.5 GPM
LLT
°F
TC
MBTUH
Power
kW
HR
MBTUH
EER
LST
°F
LLT
°F
TC
MBTUH
Power
kW
HR
MBTUH
EER
LST
°F
LLT
°F
TC
MBTUH
Power
kW
HR
MBTUH
EER
LST
°F
50
36.0
61.1
2.23
68.7
27.4
45.7
39.1
64.5
2.25
72.1
28.7
46.5
42.2
67.8
2.26
75.5
30.0
47.3
70
54.4
68.1
2.26
75.9
30.1
47.4
58.0
70.6
2.28
78.4
31.0
48.0
61.6
73.1
2.29
80.9
32.0
48.5
90
72.8
75.2
2.30
83.0
32.7
49.0
76.9
76.8
2.31
84.7
33.3
49.4
81.0
78.5
2.31
86.4
33.9
49.8
110
91.2
82.2
2.33
90.2
35.3
50.7
95.8
83.0
2.34
91.0
35.5
50.8
100.4
83.8
2.34
91.8
35.8
51.0
50
36.1
60.5
2.14
67.8
28.3
41.7
39.2
64.0
2.15
71.3
29.7
42.3
42.3
67.5
2.17
74.8
31.2
42.9
70
54.8
66.1
2.16
73.5
30.6
42.8
58.4
68.6
2.17
76.0
31.7
43.2
61.9
71.1
2.18
78.5
32.7
43.6
90
73.6
71.8
2.18
79.2
33.0
43.8
77.5
73.3
2.18
80.7
33.6
44.1
81.4
74.8
2.19
82.2
34.2
44.4
110
92.3
77.4
2.20
84.9
35.3
44.9
96.6
77.9
2.20
85.4
35.4
45.0
101.0
78.4
2.20
85.9
35.6
45.1
50
36.3
59.9
2.05
66.9
29.2
37.7
39.3
63.5
2.06
70.5
30.8
38.1
42.3
67.1
2.07
74.2
32.4
38.5
70
55.3
64.1
2.05
71.1
31.2
38.1
58.7
66.6
2.06
73.6
32.3
38.4
62.1
69.1
2.07
76.1
33.4
38.7
90
74.3
68.4
2.06
75.4
33.2
38.6
78.1
69.7
2.06
76.7
33.8
38.8
81.9
71.0
2.06
78.1
34.4
38.9
110
93.4
72.6
2.06
79.6
35.2
39.1
97.5
72.8
2.06
79.8
35.3
39.1
101.6
73.0
2.06
80.0
35.4
39.2
50
36.8
57.4
2.86
67.2
21.4
65.4
39.8
60.2
2.87
70.0
22.4
66.0
42.8
63.0
2.88
72.8
23.3
66.7
70
54.3
68.3
2.93
78.3
24.6
67.9
58.0
70.6
2.94
80.7
25.3
68.5
61.6
72.9
2.95
83.0
26.0
69.0
90
71.8
79.3
3.00
89.5
27.6
70.5
76.2
81.1
3.01
91.3
28.1
70.9
80.5
82.8
3.02
93.2
28.6
71.3
110
89.3
90.2
3.07
100.7
30.5
73.1
94.4
91.5
3.08
102.0
30.8
73.4
99.4
92.8
3.10
103.3
31.1
73.7
50
36.9
57.3
2.75
66.6
20.9
61.5
39.8
60.2
2.75
69.6
21.9
62.0
42.8
63.1
2.76
72.5
22.9
62.5
70
54.7
66.9
2.79
76.4
24.0
63.2
58.2
69.2
2.80
78.8
24.7
63.6
61.8
71.5
2.81
81.1
25.5
64.0
90
72.5
76.6
2.83
86.2
27.0
65.0
76.7
78.2
2.84
87.9
27.5
65.3
80.8
79.9
2.85
89.7
28.0
65.6
110
90.3
86.2
2.88
96.0
30.0
66.8
95.1
87.3
2.89
97.1
30.2
67.0
99.9
88.3
2.90
98.2
30.5
67.2
50
36.9
57.2
2.63
66.1
23.1
57.6
39.8
60.2
2.64
69.2
24.3
57.9
42.8
63.2
2.64
72.2
25.4
58.3
70
55.0
65.5
2.65
74.5
25.9
58.5
58.5
67.8
2.66
76.9
26.8
58.8
62.0
70.1
2.66
79.2
27.6
59.1
90
73.1
73.9
2.67
83.0
28.7
59.5
77.1
75.4
2.68
84.6
29.2
59.7
81.2
77.0
2.68
86.2
29.8
59.9
110
91.2
82.2
2.69
91.4
31.5
60.5
95.8
83.1
2.70
92.2
31.7
60.6
100.4
83.9
2.71
93.1
31.9
60.7
50
37.7
53.7
3.49
65.6
15.4
85.0
40.5
56.0
3.50
67.9
16.0
85.6
43.3
58.2
3.50
70.1
16.6
86.1
70
54.3
68.5
3.60
80.8
19.1
88.5
58.0
70.6
3.61
82.9
19.6
89.0
61.7
72.7
3.62
85.0
20.1
89.5
90
70.9
83.4
3.70
96.0
22.5
92.0
75.5
85.3
3.72
98.0
22.9
92.4
80.0
87.2
3.73
99.9
23.4
92.9
110
70
13.5
Operation not recommended
50
37.6
54.1
3.35
65.5
16.1
81.3
40.4
56.4
3.35
67.8
16.8
81.7
43.3
58.8
3.36
70.2
17.5
82.1
70
54.5
67.7
3.42
79.4
19.8
83.7
58.1
69.8
3.43
81.5
20.4
84.1
61.8
71.9
3.44
83.6
20.9
84.5
90
71.4
81.4
3.49
93.3
23.3
86.2
75.8
83.2
3.50
95.2
23.7
86.5
80.3
85.1
3.52
97.1
24.2
86.8
110
18
9
Operation not recommended
50
37.5
54.4
3.21
65.4
16.9
77.5
40.4
56.9
3.21
67.8
17.7
77.8
43.2
59.3
3.21
70.3
18.5
78.0
70
54.7
66.9
3.24
77.9
20.6
78.9
58.3
69.0
3.25
80.1
21.2
79.2
61.9
71.1
3.26
82.2
21.8
79.4
90
71.8
79.3
3.28
90.5
24.2
80.4
76.2
81.2
3.29
92.4
24.7
80.6
80.5
83.0
3.30
94.2
25.1
80.8
110
89.0
91.8
3.31
103.1
27.7
81.8
94.1
93.3
3.33
104.7
28.0
82.0
99.1
94.8
3.35
106.2
28.3
82.2
50
39.1
47.6
4.48
62.8
11.5
104.4
41.6
49.5
4.48
64.7
11.9
104.8
44.1
51.4
4.49
66.7
12.4
105.3
70
55.8
61.8
4.58
77.4
14.5
107.7
59.2
63.7
4.59
79.4
14.9
108.2
62.5
65.6
4.61
81.4
15.3
108.6
90
72.6
76.1
4.68
92.0
17.3
111.1
76.7
78.0
4.70
94.0
17.7
111.5
80.8
79.9
4.73
96.1
18.0
112.0
110
90
13.5
Operation not recommended
50
39.0
48.0
4.32
62.7
11.1
100.8
41.5
49.9
4.32
64.6
11.5
101.1
44.1
51.9
4.33
66.6
12.0
101.4
70
55.9
61.6
4.38
76.5
14.1
103.2
59.2
63.6
4.40
78.6
14.5
103.5
62.5
65.5
4.41
80.6
14.9
103.9
90
72.8
75.2
4.45
90.4
16.9
105.6
76.8
77.2
4.47
92.5
17.3
106.0
80.9
79.2
4.49
94.6
17.6
106.3
97.6
110
18
Operation not recommended
50
38.9
48.4
4.16
62.5
12.6
97.2
41.5
50.4
4.16
64.5
13.1
97.4
44.0
52.4
4.16
66.5
13.7
70
55.9
61.4
4.19
75.7
15.7
98.7
59.2
63.4
4.20
77.7
16.2
98.9
62.5
65.5
4.21
79.8
16.7
99.1
90
73.0
74.4
4.22
88.8
18.8
100.2
77.0
76.5
4.24
90.9
19.3
100.4
81.0
78.6
4.25
93.1
19.7
100.7
50
40.5
41.4
5.46
60.0
7.6
123.8
42.7
43.0
5.47
61.6
7.9
124.1
44.9
44.5
5.48
63.2
8.1
124.5
70
57.4
55.1
5.55
74.0
9.9
127.0
60.3
56.8
5.58
75.9
10.2
127.4
63.3
58.6
5.61
77.7
10.4
127.8
50
40.4
41.9
5.29
59.9
7.9
120.3
42.6
43.4
5.29
61.5
8.2
120.6
44.9
45.0
5.30
63.0
8.5
120.8
70
57.3
55.5
5.35
73.7
10.4
122.7
60.3
57.3
5.36
75.6
10.7
123.0
63.2
59.2
5.38
77.5
11.0
123.3
50
40.3
42.3
5.11
59.7
8.3
116.8
42.6
43.9
5.11
61.3
8.6
117.0
44.8
45.4
5.11
62.8
8.9
117.2
70
57.2
55.9
5.14
73.4
10.9
118.4
60.2
57.8
5.15
75.4
11.2
118.6
63.2
59.8
5.16
77.4
11.6
118.9
110
9
Operation not recommended
90
Operation not recommended
110
110
13.5
90
Operation not recommended
110
18
Load Flow-18 GPM
ELT
°F
90
110
Operation not recommended
8/20/09
36
GSW SPECIFICATION CATALOG
GSW060 - Performance Data cont.
Heating Capacity
Source
EST
°F
Flow
GPM
Load Flow-9 GPM
10
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
Load Flow-13.5 GPM
COP
LST
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
Load Flow-18 GPM
COP
LST
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
COP
LST
°F
60
13.5
18
9
13.5
18
9
50
13.5
18
9
70
Operation not recommended
120
25
30
80
100
13.5
18
9
60
71.1
48.3
2.93
38.3
4.83
20.6
67.4
48.6
2.86
38.8
4.98
20.6
65.6
48.9
2.79
39.4
5.14
20.5
80
90.8
47.3
3.93
33.9
3.53
21.1
87.3
47.6
3.85
34.4
3.62
21.1
85.5
47.8
3.76
35.0
3.72
21.0
100
110.6
46.3
4.93
29.5
2.75
21.6
107.1
46.5
4.83
30.0
2.82
21.6
105.4
46.8
4.74
30.6
2.89
21.5
120
130.4
45.3
5.93
25.1
2.24
22.1
126.9
45.5
5.82
25.6
2.29
22.1
125.2
45.7
5.71
26.2
2.35
22.0
60
71.5
50.1
2.94
40.1
4.99
20.8
68.7
50.5
2.87
40.7
5.17
20.7
65.8
50.9
2.79
41.4
5.35
20.5
80
91.3
49.3
3.95
35.9
3.66
21.8
88.5
49.7
3.86
36.5
3.77
21.6
85.7
50.0
3.77
37.1
3.89
21.5
100
111.1
48.6
4.95
31.7
2.87
22.7
108.4
48.8
4.85
32.3
2.95
22.6
105.6
49.0
4.74
32.8
3.03
22.5
120
131.0
47.8
5.96
27.5
2.35
23.7
128.2
48.0
5.84
28.0
2.41
23.6
125.5
48.1
5.72
28.6
2.46
23.5
60
71.9
52.1
3.0
42.0
5.17
22.9
68.9
51.8
2.87
42.0
5.29
22.9
65.9
51.6
2.8
42.0
5.41
22.8
80
91.7
50.9
4.0
37.4
3.77
23.7
88.7
50.8
3.86
37.6
3.86
23.6
85.8
50.7
3.8
37.8
3.95
23.5
100
111.4
49.7
5.0
32.8
2.94
24.4
108.6
49.8
4.84
33.2
3.01
24.3
105.7
49.8
4.7
33.7
3.08
24.3
120
131.1
48.6
6.0
28.2
2.39
25.2
128.4
48.8
5.83
28.9
2.45
25.1
125.6
49.0
5.7
29.5
2.51
25.0
60
72.4
54.1
2.97
44.0
5.34
25.0
69.2
53.2
2.88
43.3
5.41
25.0
66.0
52.2
2.79
42.7
5.48
25.1
80
92.0
52.5
3.96
39.0
3.88
25.5
89.0
52.0
3.86
38.8
3.95
25.6
85.9
51.4
3.76
38.6
4.01
25.6
100
111.7
50.9
4.96
34.0
3.01
26.1
108.7
50.8
4.84
34.2
3.07
26.1
105.8
50.6
4.72
34.5
3.14
26.1
120
131.3
49.3
5.95
29.0
2.43
26.7
128.5
49.6
5.82
29.7
2.50
26.6
125.7
49.8
5.69
30.4
2.56
26.5
60
75.1
66.0
3.0
55.7
6.34
37.2
71.4
66.2
2.92
56.2
6.62
37.1
67.6
66.3
2.8
56.7
6.90
37.0
80
94.6
63.9
4.0
50.2
4.66
38.5
91.0
64.1
3.89
50.8
4.83
38.4
87.4
64.3
3.8
51.4
4.99
38.2
100
114.1
61.7
5.0
44.7
3.63
39.8
110.6
62.0
4.86
45.4
3.74
39.6
107.1
62.3
4.7
46.1
3.86
39.4
120
133.7
59.6
6.0
39.3
2.93
41.0
130.3
60.0
5.83
40.1
3.02
40.8
126.9
60.3
5.7
40.9
3.11
40.6
60
75.8
68.8
3.1
58.4
6.61
40.1
71.8
68.5
2.93
58.5
6.84
40.1
67.8
68.2
2.8
58.5
7.09
40.0
80
95.2
66.2
4.0
52.5
4.81
41.1
91.4
66.1
3.90
52.8
4.96
41.0
87.6
66.1
3.8
53.2
5.13
41.0
100
114.6
63.7
5.0
46.6
3.72
42.1
111.0
63.8
4.87
47.2
3.84
42.0
107.3
64.0
4.7
47.8
3.96
41.9
120
134.0
61.1
6.0
40.6
2.98
43.1
130.5
61.5
5.85
41.5
3.08
42.9
127.1
61.9
5.7
42.4
3.18
42.8
60
76.4
71.6
3.1
61.1
6.79
43.0
72.2
70.8
2.95
60.7
7.01
43.0
68.0
70.0
2.8
60.4
7.24
43.1
80
95.7
68.6
4.1
54.7
4.93
43.7
91.7
68.2
3.92
54.8
5.09
43.7
87.8
67.8
3.8
54.9
5.25
43.7
100
115.0
65.6
5.1
48.4
3.79
44.5
111.3
65.6
4.89
48.9
3.92
44.4
107.5
65.6
4.7
49.4
4.06
44.3
120
134.3
62.6
6.0
42.0
3.03
45.2
130.8
63.0
5.87
43.0
3.15
45.1
127.3
63.4
5.7
44.0
3.26
45.0
60
78.8
81.9
3.12
71.3
7.69
53.7
74.1
81.8
2.98
71.6
8.07
53.6
69.4
81.7
2.83
72.0
8.46
53.5
80
98.0
78.4
4.06
64.5
5.65
55.2
93.5
78.5
3.92
65.1
5.88
55.1
89.0
78.6
3.78
65.7
6.10
54.9
100
117.2
74.9
5.01
57.8
4.38
56.8
112.9
75.2
4.87
58.6
4.54
56.6
108.7
75.6
4.72
59.4
4.69
56.4
120
136.4
71.4
5.95
51.1
3.52
58.3
132.3
72.0
5.81
52.1
3.63
58.1
128.3
72.5
5.67
53.1
3.75
57.8
60
79.6
85.5
3.1
74.8
7.97
57.4
74.6
85.1
3.00
74.9
8.33
57.3
69.7
84.8
2.8
75.0
8.73
57.3
80
98.7
81.6
4.1
67.5
5.81
58.6
94.0
81.5
3.95
68.0
6.04
58.5
89.3
81.4
3.8
68.5
6.29
58.4
100
117.8
77.6
5.1
60.3
4.48
59.8
113.4
77.8
4.91
61.1
4.65
59.6
108.9
78.1
4.7
61.9
4.83
59.5
120
136.9
73.7
6.0
53.0
3.57
61.0
132.7
74.2
5.86
54.2
3.71
60.8
128.6
74.8
5.7
55.4
3.86
60.6
60
80.4
89.1
3.17
78.3
8.24
61.0
75.2
88.5
3.02
78.2
8.62
61.0
70.1
87.8
2.86
78.0
8.99
61.1
80
99.4
84.7
4.16
70.5
5.97
61.9
94.5
84.5
3.98
70.9
6.23
61.9
89.6
84.2
3.80
71.2
6.49
61.8
100
118.4
80.3
5.14
62.7
4.57
62.8
113.8
80.5
4.95
63.6
4.77
62.7
109.2
80.6
4.75
64.4
4.98
62.6
120
137.4
75.9
6.13
55.0
3.63
63.7
133.1
76.5
5.91
56.3
3.80
63.6
128.8
77.0
5.69
57.6
3.96
63.4
60
82.4
97.7
3.26
86.6
8.78
70.2
76.5
95.2
3.09
84.7
9.04
70.6
70.6
92.7
2.92
82.7
9.30
71.0
80
101.4
93.2
4.25
78.7
6.42
72.0
95.9
91.9
4.06
78.0
6.65
72.1
90.4
90.5
3.86
77.4
6.87
72.3
100
Operation not recommended
120
90
13.5
60
82.8
99.7
3.3
88.4
8.89
74.9
76.8
96.7
3.11
86.1
9.12
75.3
70.7
93.7
2.9
83.7
9.37
75.7
80
101.8
95.3
4.3
80.6
6.52
76.3
96.2
93.5
4.08
79.6
6.72
76.4
90.5
91.8
3.9
78.6
6.94
76.6
100
120.8
90.9
5.3
72.8
5.04
77.6
115.6
90.4
5.05
73.1
5.24
77.5
110.3
89.9
4.8
73.4
5.46
77.5
120
18
Operation not recommended
60
83.3
101.6
3.31
90.3
8.99
79.7
77.1
98.2
3.13
87.5
9.22
80.0
70.8
94.7
2.94
84.7
9.44
80.3
80
102.3
97.3
4.31
82.6
6.61
80.5
96.5
95.2
4.10
81.2
6.81
80.7
90.7
93.1
3.89
79.8
7.00
80.9
100
121.3
93.0
5.31
74.9
5.13
81.4
115.9
92.2
5.08
74.9
5.33
81.4
110.5
91.4
4.85
74.9
5.53
81.4
120
Operation not recommended
8/19/09
37
GSW SPECIFICATION CATALOG
GSW075 - Performance Data
Cooling Capacity
Source
EST
°F
Flow
GPM
10
30
14.5
19
10
50
14.5
19
10
Load Flow-10 GPM
Load Flow-14.5 GPM
LLT
°F
TC
MBTUH
Power
kW
HR
MBTUH
EER
LST
°F
LLT
°F
TC
MBTUH
Power
kW
HR
MBTUH
EER
LST
°F
LLT
°F
TC
MBTUH
Power
kW
HR
MBTUH
EER
LST
°F
50
34.7
74.0
3.14
84.7
23.6
47.5
37.9
77.8
3.19
88.7
24.4
48.3
41.1
81.6
70
52.4
85.1
3.29
96.4
25.9
49.9
56.3
88.0
3.34
99.3
26.3
50.5
60.2
90.8
3.24
92.7
25.2
49.1
3.38
102.3
26.8
90
70.2
96.3
3.45
108.0
27.9
52.3
74.7
98.1
3.49
110.0
28.1
52.7
79.2
51.1
99.9
3.53
112.0
28.3
110
87.9
107.4
3.60
119.7
29.8
54.7
93.0
108.3
3.64
120.7
29.8
54.9
53.1
98.2
109.1
3.67
121.6
29.7
50
34.7
74.1
3.01
84.4
24.6
43.3
37.9
77.8
3.05
88.2
25.5
55.1
43.9
41.2
81.4
3.09
91.9
26.3
70
52.9
83.1
3.12
93.8
26.6
44.9
56.6
85.8
3.16
96.6
44.5
27.2
45.3
60.4
88.5
3.20
99.4
27.7
90
71.0
92.2
3.24
103.2
28.5
46.5
75.3
93.8
3.27
45.8
105.0
28.7
46.8
79.6
95.5
3.30
106.8
28.9
110
89.1
101.2
3.35
112.6
30.2
48.1
94.0
101.9
47.1
3.38
113.4
30.2
48.2
98.9
102.6
3.41
114.2
30.1
50
34.7
74.2
2.88
84.0
25.8
39.1
37.9
48.3
77.7
2.91
87.6
26.7
39.5
41.2
81.2
2.94
91.2
27.6
70
53.3
81.1
2.95
91.2
27.5
39.9
39.9
57.0
83.6
2.98
93.8
28.1
40.2
60.7
86.1
3.01
96.4
28.6
90
71.8
88.1
3.03
98.4
29.1
40.5
40.7
76.0
89.6
3.05
100.0
29.4
40.8
80.1
91.1
3.07
101.6
29.6
110
90.4
95.0
3.10
105.6
41.0
30.6
41.5
95.0
95.5
3.12
106.1
30.6
41.5
99.6
96.0
3.14
106.7
30.6
50
35.8
68.9
3.94
41.6
82.3
18.5
67.0
38.8
72.3
3.99
85.9
19.2
67.7
41.8
75.6
4.03
89.4
19.8
70
52.9
83.0
68.4
4.16
97.2
21.0
70.0
56.6
85.8
4.21
100.2
21.4
70.6
60.4
88.6
4.26
103.1
21.8
90
70.0
71.3
97.0
4.38
112.0
23.2
73.1
74.5
99.3
4.44
114.5
23.4
73.6
79.0
101.6
4.49
116.9
23.6
110
74.1
87.1
111.1
4.60
126.8
25.2
76.1
92.3
112.9
4.66
128.8
25.2
76.5
97.6
114.6
4.72
130.7
25.3
77.0
50
35.7
69.3
3.78
82.2
18.3
62.9
38.7
72.6
3.82
85.6
19.0
63.5
41.8
75.9
3.86
89.0
19.7
64.0
70
53.2
81.7
3.95
95.2
20.7
65.1
56.8
84.4
3.99
98.0
21.1
65.5
60.5
87.1
4.04
100.9
21.6
66.0
90
70.6
94.1
4.12
108.2
22.9
67.2
75.0
96.3
4.17
110.5
23.1
67.6
79.3
98.4
4.22
112.7
23.3
67.9
110
88.0
106.6
4.29
121.2
24.9
69.3
93.1
108.1
4.34
122.9
24.9
69.6
98.1
109.6
4.40
124.6
24.9
69.9
50
35.6
69.7
3.63
82.0
20.3
58.9
38.7
72.9
3.66
85.4
21.1
59.3
41.7
76.2
3.69
88.7
21.8
59.6
70
53.4
80.5
3.74
93.2
22.5
60.1
57.1
83.0
3.78
95.9
23.0
60.4
60.7
85.6
3.81
98.6
23.5
60.7
90
71.2
91.3
3.86
104.4
24.6
61.3
75.4
93.2
3.90
106.5
24.9
61.6
79.7
95.1
3.94
108.6
25.1
61.8
110
89.0
102.1
3.97
115.6
26.6
62.5
93.8
103.3
4.02
117.0
26.6
62.7
98.6
104.6
4.07
118.5
26.6
62.9
50
36.8
63.8
4.74
80.0
13.5
86.5
39.6
66.7
4.78
83.0
13.9
87.1
42.4
69.6
4.82
86.1
14.4
87.7
70
53.3
80.8
5.03
98.0
16.1
90.2
57.0
83.6
5.08
101.0
16.5
90.8
60.6
86.4
5.14
104.0
16.8
91.4
90
69.8
97.8
5.31
115.9
18.4
93.9
74.3
100.5
5.38
118.9
18.7
94.5
78.8
103.3
5.45
121.9
18.9
95.1
110
70
14.5
Operation not recommended
50
36.7
64.5
4.56
80.0
14.1
82.6
39.5
67.4
4.59
83.1
14.7
83.1
42.4
70.4
4.63
86.1
15.2
83.5
70
53.4
80.3
4.78
96.6
16.8
85.3
57.1
83.0
4.83
99.5
17.2
85.7
60.7
85.8
4.88
102.4
17.6
86.2
90
70.2
96.1
5.00
113.2
19.2
87.9
74.6
98.7
5.07
116.0
19.5
88.4
79.0
101.2
5.13
118.7
19.7
88.8
110
19
10
Operation not recommended
50
36.6
65.1
4.37
80.0
14.9
78.7
39.4
68.1
4.40
83.1
15.5
79.0
42.3
71.1
4.43
86.2
16.0
79.4
70
53.6
79.8
4.53
95.2
17.6
80.3
57.2
82.5
4.57
98.1
18.0
80.6
60.8
85.1
4.62
100.9
18.4
80.9
90
70.5
94.4
4.68
110.4
20.2
82.0
74.9
96.8
4.75
113.0
20.4
82.3
79.2
99.2
4.81
115.6
20.6
82.5
110
87.5
109.1
4.84
125.6
22.5
83.6
92.6
111.2
4.92
127.9
22.6
83.9
97.7
113.2
5.00
130.3
22.6
84.1
50
38.3
56.8
6.04
77.4
10.1
106.0
40.8
59.2
6.08
79.9
10.5
106.5
43.3
61.5
6.12
82.4
10.8
107.0
70
54.9
73.1
6.36
94.8
12.3
109.5
58.2
75.5
6.41
97.3
12.6
110.1
61.6
77.8
6.46
99.9
12.9
110.6
90
71.6
89.4
6.68
112.2
14.2
113.1
75.7
91.8
6.74
114.8
14.5
113.7
79.8
94.1
6.81
117.4
14.7
114.2
110
90
14.5
Operation not recommended
50
38.1
57.5
5.82
77.4
9.9
102.2
40.7
59.9
5.85
79.9
10.2
102.6
43.2
62.4
5.88
82.4
10.6
103.0
70
54.9
73.2
6.07
93.9
12.1
104.8
58.2
75.5
6.11
96.4
12.4
105.2
61.6
77.9
6.16
98.9
12.6
105.6
90
71.7
88.8
6.32
110.4
14.0
107.5
75.8
91.1
6.38
112.9
14.3
107.9
79.9
93.4
6.43
115.3
14.5
108.2
110
19
Operation not recommended
50
38.0
58.3
5.60
77.4
11.2
98.4
40.6
60.7
5.63
79.9
11.6
98.7
43.1
63.2
5.65
82.5
12.0
99.0
70
54.9
73.3
5.79
93.0
13.5
100.1
58.2
75.6
5.82
95.4
13.9
100.4
61.5
77.9
5.85
97.9
14.2
100.6
90
71.8
88.3
5.97
108.6
15.7
101.8
75.9
90.4
6.01
110.9
16.0
102.0
80.0
92.6
6.06
113.3
16.2
102.3
110
10
Operation not recommended
50
39.7
49.8
7.34
74.9
6.8
125.4
42.0
51.6
7.38
76.8
7.0
125.8
44.2
53.4
7.41
78.7
7.2
126.2
70
56.5
65.4
7.69
91.6
8.5
128.9
59.5
67.3
7.74
93.7
8.7
129.3
62.5
69.2
7.78
95.8
8.9
129.7
50
39.6
50.6
7.09
74.8
7.1
121.8
41.8
52.5
7.11
76.7
7.4
122.1
44.1
54.4
7.14
78.7
7.6
122.4
70
56.4
66.1
7.37
91.2
9.0
124.4
59.4
68.0
7.40
93.3
9.2
124.7
62.4
69.9
7.44
95.3
9.4
125.0
50
39.4
51.4
6.83
74.7
7.5
118.1
41.7
53.4
6.85
76.7
7.8
118.3
44.0
55.3
6.87
78.7
8.0
118.5
70
56.2
66.7
7.04
90.8
9.5
119.9
59.3
68.7
7.07
92.8
9.7
120.1
62.3
70.7
7.09
94.9
10.0
120.3
90
Operation not recommended
110
110
14.5
90
Operation not recommended
110
19
Load Flow-19 GPM
ELT
°F
90
110
Operation not recommended
8/20/09
38
GSW SPECIFICATION CATALOG
GSW075 - Performance Data cont.
Heating Capacity
Source
EST
°F
Flow
GPM
Load Flow-10 GPM
10
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
Load Flow-14.5 GPM
COP
LST
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
Load Flow-19 GPM
COP
LST
°F
LLT
°F
HC
MBTUH
Power
kW
HE
MBTUH
COP
LST
°F
60
14.5
19
10
14.5
19
10
50
14.5
19
10
70
Operation not recommended
120
25
30
80
100
14.5
19
10
60
72.1
58.8
3.90
45.5
4.42
20.1
68.4
58.9
3.78
46.0
4.57
20.0
66.4
59.0
3.66
46.5
4.72
19.95
80
91.8
57.4
5.11
40.0
3.29
20.7
88.2
57.5
4.97
40.6
3.39
20.6
86.2
57.6
4.82
41.1
3.50
20.5
100
111.6
56.1
6.32
34.5
2.60
21.3
108.0
56.1
6.15
35.1
2.67
21.2
106.1
56.1
5.98
35.7
2.75
21.1
120
131.3
54.7
7.53
29.0
2.13
21.9
127.8
54.7
7.34
29.7
2.18
21.8
125.9
54.7
7.14
30.3
2.24
21.7
60
72.6
61.1
3.90
47.8
4.59
20.1
69.6
61.2
3.79
48.3
4.74
20.0
66.7
61.3
3.68
48.7
4.88
20.0
80
92.3
59.7
5.12
42.3
3.42
21.3
89.4
59.8
4.99
42.8
3.52
21.2
86.5
59.9
4.85
43.3
3.61
21.1
100
112.0
58.4
6.35
36.7
2.69
22.4
109.2
58.4
6.19
37.3
2.77
22.3
106.3
58.4
6.03
37.9
2.84
22.2
120
131.8
57.0
7.57
31.2
2.21
23.6
129.0
57.0
7.39
31.8
2.26
23.4
126.2
57.0
7.20
32.4
2.32
23.3
60
73.1
63.5
3.9
50.1
4.74
22.2
70.0
63.6
3.82
50.5
4.88
22.2
66.9
63.7
3.7
51.0
5.03
22.1
80
92.7
61.7
5.2
44.1
3.51
23.2
89.7
61.8
5.02
44.6
3.60
23.1
86.7
61.9
4.9
45.2
3.71
23.0
100
112.4
59.9
6.4
38.1
2.75
24.1
109.4
60.0
6.23
38.7
2.82
24.0
106.5
60.1
6.1
39.4
2.90
23.9
120
132.0
58.2
7.6
32.1
2.24
25.0
129.2
58.2
7.43
32.8
2.29
24.9
126.3
58.3
7.2
33.5
2.36
24.8
60
73.6
65.8
3.95
52.3
4.88
24.3
70.4
65.9
3.84
52.8
5.03
24.3
67.2
66.0
3.73
53.3
5.18
24.2
80
93.1
63.6
5.19
45.9
3.59
25.0
90.0
63.7
5.05
46.5
3.70
25.0
86.9
63.8
4.92
47.1
3.80
24.9
100
112.7
61.5
6.43
39.5
2.80
25.7
109.7
61.6
6.27
40.2
2.88
25.6
106.7
61.7
6.10
40.8
2.96
25.6
120
132.2
59.3
7.67
33.1
2.27
26.4
129.3
59.4
7.48
33.9
2.33
26.3
126.5
59.5
7.29
34.6
2.39
26.2
60
76.7
81.0
4.2
66.7
5.60
36.2
72.7
81.0
4.02
67.3
5.85
36.1
68.8
81.0
3.9
67.8
6.10
36.0
80
96.1
78.2
5.4
59.6
4.17
37.7
92.3
78.2
5.24
60.3
4.34
37.6
88.5
78.3
5.1
61.0
4.50
37.4
100
115.5
75.3
6.7
52.5
3.28
39.2
111.9
75.4
6.46
53.3
3.39
39.0
108.2
75.5
6.3
54.2
3.51
38.8
120
134.9
72.5
7.9
45.4
2.66
40.6
131.4
72.6
7.69
46.4
2.75
40.4
127.9
72.8
7.5
47.3
2.84
40.2
60
77.4
84.5
4.2
70.1
5.86
39.1
73.3
84.4
4.07
70.5
6.08
39.1
69.2
84.3
3.9
71.0
6.32
39.0
80
96.7
81.1
5.5
62.4
4.35
40.3
92.8
81.1
5.29
63.1
4.50
40.2
88.8
81.2
5.1
63.7
4.66
40.1
100
116.0
77.7
6.7
54.8
3.39
41.5
112.2
77.9
6.51
55.7
3.51
41.4
108.5
78.0
6.3
56.5
3.63
41.2
120
135.3
74.4
8.0
47.2
2.74
42.7
131.7
74.6
7.73
48.2
2.83
42.5
128.1
74.8
7.5
49.3
2.93
42.3
60
78.1
87.9
4.3
73.4
5.98
42.0
73.8
87.8
4.11
73.8
6.19
42.0
69.5
87.7
4.0
74.1
6.40
42.0
80
97.3
84.0
5.5
65.2
4.42
42.9
93.2
84.1
5.33
65.9
4.58
42.9
89.1
84.1
5.2
66.5
4.74
42.8
100
116.5
80.2
6.8
57.1
3.44
43.8
112.6
80.3
6.55
58.0
3.57
43.7
108.7
80.5
6.3
58.9
3.69
43.6
120
135.7
76.3
8.0
48.9
2.77
44.7
132.0
76.6
7.77
50.1
2.87
44.6
128.3
76.9
7.5
51.2
2.98
44.4
60
80.8
100.9
4.48
85.6
6.60
52.3
75.9
100.8
4.26
86.3
6.96
52.2
70.9
100.7
4.03
86.9
7.32
52.1
80
99.9
96.6
5.74
77.0
4.93
54.1
95.2
96.6
5.50
77.8
5.16
54.0
90.5
96.6
5.26
78.7
5.39
53.8
100
119.0
92.2
7.00
68.3
3.86
55.9
114.5
92.4
6.74
69.4
4.02
55.7
110.0
92.6
6.48
70.4
4.18
55.5
120
138.1
87.9
8.26
59.7
3.12
57.7
133.9
88.2
7.99
60.9
3.24
57.4
129.6
88.5
7.71
62.2
3.36
57.2
60
81.7
105.5
4.5
90.0
6.84
56.0
76.6
105.2
4.32
90.5
7.14
56.0
71.4
105.0
4.1
91.0
7.48
55.9
80
100.7
100.5
5.8
80.8
5.09
57.5
95.8
100.5
5.55
81.5
5.30
57.4
90.9
100.5
5.3
82.3
5.53
57.2
100
119.7
95.6
7.0
71.5
3.97
58.9
115.1
95.7
6.79
72.6
4.13
58.7
110.4
95.9
6.5
73.7
4.31
58.6
120
138.7
90.6
8.3
62.2
3.19
60.3
134.3
91.0
8.02
63.6
3.32
60.1
129.9
91.4
7.7
65.0
3.46
59.9
60
82.7
110.0
4.55
94.5
7.08
59.7
77.3
109.7
4.38
94.7
7.35
59.7
71.9
109.3
4.20
95.0
7.62
59.7
80
101.5
104.4
5.82
84.6
5.26
60.8
96.4
104.4
5.60
85.2
5.47
60.7
91.3
104.3
5.39
85.9
5.67
60.7
100
120.4
98.9
7.09
74.7
4.09
61.9
115.6
99.1
6.83
75.8
4.26
61.8
110.8
99.3
6.57
76.9
4.43
61.7
120
139.2
93.3
8.36
64.8
3.27
63.0
134.7
93.8
8.06
66.3
3.42
62.8
130.2
94.3
7.76
67.8
3.56
62.6
60
84.8
120.1
4.74
103.9
7.42
68.6
78.6
117.4
4.45
102.2
7.75
68.9
72.4
114.6
4.16
100.4
8.07
69.3
80
103.7
114.9
6.02
94.4
5.59
70.5
97.9
113.2
5.71
93.7
5.82
70.7
92.1
111.5
5.39
93.1
6.06
70.8
100
Operation not recommended
120
90
14.5
60
85.3
122.8
4.77
106.5
7.55
73.4
79.0
119.5
4.49
104.2
7.80
73.7
72.6
116.2
4.22
101.8
8.08
74.0
80
104.2
117.6
6.07
96.8
5.67
74.9
98.3
115.4
5.76
95.8
5.88
75.0
92.3
113.3
5.44
94.7
6.10
75.2
100
123.2
112.4
7.38
87.2
4.46
76.4
117.6
111.4
7.02
87.4
4.65
76.4
112.0
110.4
6.67
87.7
4.85
76.3
120
19
Operation not recommended
60
85.9
125.4
4.79
109.1
7.67
78.2
79.3
121.6
4.53
106.1
7.88
78.5
72.8
117.8
4.27
103.2
8.08
78.8
80
104.8
120.2
6.13
99.3
5.75
79.2
98.6
117.7
5.81
97.9
5.95
79.4
92.5
115.2
5.49
96.4
6.15
79.5
100
123.7
115.0
7.46
89.5
4.51
80.3
118.0
113.8
7.08
89.6
4.72
80.3
112.2
112.5
6.70
89.7
4.92
80.3
120
Operation not recommended
8/19/09
39
GSW SPECIFICATION CATALOG
Wiring Schematic - Residential
GSW Heating Only - 208-230/60/1
Compressor
External
S
External
G
C
Blue
G
R
Red
Load
Pump
T1
NOTE 2
T2
T1
L1
Tan
T2
SFB
LFB
L2
L1
Black
Cap
Source
Pump
L2
Unit
Power Supply
208-230/60/1
T1
T2
CC
Blue/Wht
Brown/Blk
L2
L1
G
Brown/Wht
LPR
Brown
Blue
Blue
230V
Green/Yellow
Red
208V
Black
Com
NOTE 1
PS1
B
C
D
Transformer
Red
24V
Black
Black/
White
Yellow
24 V
9
10
11
C
LO
HI
CG
CC
HP
L P LP
R
L P LP
R
Orange
Gray
Gray
RT
RT
X1 E LT E LT
X2 X1
8
Violet
Violet
Orange
Not Used
X2
Orange
Yellow
Yellow
1
Not Used
X3
5
6
7
Microprocessor Control
Not Used
X3
4
RT
3
Black
X2
ELT
Not Used
RV RVG
MODE
Interface Panel
12
SI
P3
Not Used
P2
Black
X3
2
X3
TB
1
T
T
SI
HP
Black
White/Blue
White/Blue
Red
RT
C
HP
Black
TEST
PIN
1
HP
Violet
LP
HI
CC
Blk/Wht
HP
X1 E LT E LT R T
CC
Orange
X2 X1
Note 3
LPR
Black/Wht
CG
Green/Yellow
LO
P1
Black/Gry
Violet
04/02/09
R C Y1 O X1
Legend
Factory low voltage wiring
Factory line voltage wiring
Field low voltage wiring
Field line voltage wiring
Optional block
Quick connect terminal
L1
P
1
3
Fuse
Compressor contactor
Reversing Valve output
Entering Load Side Water Temperature
High pressure switch
Low pressure switch
Load Pump Relay
Refrigerant Liquid line Temperature
Slave Input relay
Reversing Valve Coil
Load Pump Fuse Block
Source Pump Fuse Block
2
Screw terminal - field connection
CC RV ELT HP LP LPR RT SI RC LFB SFB -
Switch - High pressure
Field wire lug
Ground
Switch - Low pressure
Relay Contacts N.O., N.C.
Relay coil
Polarized connector
Capacitor
T
40
Thermistor
Notes:
1. Taped and wire tied off
2. 3 AG 10 Amp fuse
3. For cycle load pump with a geo storage
tank. Remove the orange wire from the LPR
relay coil and install a jumper between the
LPR relay coil and the comp contactor coil
as shown in the schematic above.
GSW SPECIFICATION CATALOG
Wiring Schematic - Residential cont.
GSW Reversible with GeoStart - 208-230/60/1
Compressor
External
S
External
G
Blue
G
PB
2
C
1
R
Red
Red
Run Winding
GeoStart
Load
Pump
T1
NOTE2
T2
T1
L1
L2
L1
Active
Blue
Black
Tan
T2
Start
Black
Black
SFB
LFB
Pink
Cap
Source
Pump
L2
CC
Blue/Wht
Brown/Blk
L2
Common
Unit
Power Supply
208-230/60/1
T1
T2
L1
G
Brown/Wht
LPR
Brown
Blue
Blue
230V
Green/Yellow
Red
208 V
Black
Com
NOTE 1
PS1
B
C
D
Transformer
Red
24V
Black
Black/
White
Yellow
24 V
RVR
11
C
HI
C
HI
CG
CC
HP
HP
CC
CG
LO
Orange
Gray
Gray
RT
RT
9
10
X1 E LT E LT
Violet
Violet
Orange
X2 X1
8
Yellow
Violet
X2
NOTE 3
Orange
X3
5
6
7
1
Not Used
X3
Orange
Yellow
4
RT
Org/Grn
3
Black
X1 E LT E LT R T
Yellow
Black
X2 X1
Yellow
T
P2
2
Org/Gry
ELT
RVR
SI
TB
1
Black
T
X2
Blue
T
RT
X3
Black
RT
X3
Blue
NOTE 4
Microprocessor Control
HP
Black
White/Blue
White/Blue
Red
LP
HP
Black
P3
Not Used
L P LP
Violet
L P LP
Blk/Wht
HP
TEST
PIN
1
R
CC
Black/Org
Orange
R
Note 5
LPR
Black/Wht
Green/Yellow
LO
P1
Black/Gry
Not Used
RV RVG
MODE
Interface Panel
12
RVR
Org/Brn
SIR
Org/Wht
Org/Blk
RC
04/02/09
R C Y1 O X1
Legend
Factory low voltage wiring
Factory line voltage wiring
Field low voltage wiring
Field line voltage wiring
Optional block
Quick connect terminal
Compressor Contactor
Reversing Valve Output
Entering Load Side Water Temperature
High Pressure Switch
Low Pressure Switch
Load Pump Relay Contacts
Refrigerant Liquid Line Temperature
Slave Input Relay
Reversing Valve Coil
Load Pump Fuse Block
Source Pump Fuse Block
Reversing Valve Relay
L1
P
1
3
Fuse
-
2
Screw terminal - field connection
CC
RV
ELT
HP
LP
LPR
RT
SIR
RC
LFB
SFB
RVR
Switch - High pressure
Field wire lug
Ground
Switch - Low pressure
Relay Contacts N.O., N.C.
Relay coil
Polarized connector
Capacitor
T
41
Thermistor
Notes:
1. Taped and wire tied off
2. 3AG 10 Amp fuse
3. Move jumper wire to 5 and 6 for reversible
secondary unit.
4. Black Thermistor - Source Coax Blue
Thermistor - Load Coax
5. For cycle load pump with a geo storage tank.
Remove the orange wire from the LPR relay coil
and install a jumper between the LPR relay coil
and the comp contactor coil as shown in the
schematic above.
GSW SPECIFICATION CATALOG
Wiring Schematic - Commercial
GSW Heating Only - 208-230/60/3
Compressor
T3
T1
T2
Red
Blue
Black
Bl
Unit
Power Supply
208-230/60/3
T3
T2
L3
L2
T1
CC
L1
G
Blk/Wht (69)
Yellow (68)
Green/Yellow (67)
J8
T
T
EST
T
LLT
T
25
AI5
+
AI4
+
26
27
28
29
31
32
33
36
38
39
40
41
PWM2
PWM2 Com
PWM1
A15
J10 24VAC Com
DI12
DI11
45
DI10
46
DI9
DI8
47
DI7
48
42
NOTE 6
NOTE 7
1
Black (59)
43
44
2
49
50
Blue (66)
LP
Red (60)
Gray (61)
Blue (62)
Black (63)
Black (64)
Black (65)
51
52
53
54
55
56
J9
20
Black (19 )
19
18
Black(18)
18
17
Black(17)
17
16
Black(16)
15
Black (15)
D06
13
Black (38)
Black (37)
16
Johnson
FX-10
Black (14)
14
Black (35)
Black (13)
13
Black (33)
Black (12)
12
Yellow (34)
11
Black (31)
10
Black (30)
12
D05
11
Black (11)
D04
10
Black (10)
9
Black (9)
8
Black (8)
9
7
Black (7)
8
Black (28)
7
Black (27)
D03
6
D02
5
4
DI 3/4/5/6/ Com
DI6
DI5
DI4
DI3
DI2
9VDC
DI1
Black (40)
15
14
NOTE 2
NOTE 3
3
PB2
Black (53)
Black (26)
Black (55)
Black (56)
Black (57)
Black (58)
D07
Black (20 )
19
A11
A13
A23
J2
A32
37
D08
A35 A31
35
D09
A33
Orange (51)
Org/Wht (52)
A12 A21
T
A25 A2 2
AI6
+
AI2
+
5VDC
AI1
+
LED
5VDC
30
34
ELT
20
5VDC
AI3
+
A34
T
SFP
24
A24
A1 4
LFP
Brown (41)
Brown (42)
White (43)
Wht/Blu (44)
Black(45)
Blk/Red (46)
Gray (47)
Gray/Wht (48)
Blue (49)
Blue/Wht (50)
GROUND
2 4VAC Com
2 4VAC
23
LST
3
D01
6
Black (4)
Black (3)
5
Black (25)
4
Violet (24)
HP
Black (2)
2
Black (1)
1
Green/Yello
Black (26)
Yellow (21)
Black (53)
Black (55)
Black (56)
Black (57)
Black (58)
Black (63)
Black (64)
Black (65)
97P799-05
4/02/09
Legend
Factory low voltage wiring
Factory line voltage wiring
Field low voltage wiring
Field line voltage wiring
Optional block
Field Zone Sensor Wiring
L1
Internal junction
Switch - High pressure
Field wire lug
Switch - Low pressure
Ground
Open Jumper
Relay ContactsN.O., N.C.
T
Closed Jumper
Thermistor
Relay coil
P
1 2 3
Polarized connector
42
CC - Compressor contactor
CP - Compressor Proving
ELT - Entering Load Water Temp
ES - Emergency Shutdown
EST - Entering Source Water Temp
HP - High pressure switch
LFP - Load Freeze Protection
LFS - Load Flow Proving Switch
LLT - Leaving Load Water Temp
LP - Low pressure switch
LST - Leaving Source Water Temp
RV - Reversing Valve coil
SFP - Source Freeze Protection
SFS - Source Flow Proving Switch
TB - Terminal Board
Black (54
CC
3
2
1
J
7
Black (6)
Black (5)
Black (22)
Notes:
1 - Switch Blue and Red wires for 208V operation
2 - Disconnect for 15 degree load side freeze detection
3 - Disconnect for 15 degree source side freeze detection
4 - Acc 1 and ACC 2 outputs are cycled with the compressor.
5 - R, C, Y1, and O inputs are for use with an aqua stat.
6 - If no flow proving switch is being used on the load side, the
LF terminal on the terminal board must be jumpered to the R
terminal for the unit to operate.
7 - If no flow proving switch is being used on the source side, the
SF terminal on the terminal board must be jumpered to the R
terminal for the unit to operate.
8 - A closed contact will enable the emergency shutdown input
(ES) and the compressor proving input (CP).
9 - Primary over-ride input (POI) on a primary unit must be wired
to R through a normally open contact. If the POI input is on a
secondary unit connect the Primary Over-ride output (PO) from
the primary unit to the POI terminal on the secondary unit.
10 - Apply 24VAC to the O terminal for cooling.
GSW SPECIFICATION CATALOG
Wiring Schematic - Commercial cont.
GSW Heating Only - 208-230/60/3
TB
Field Connection Diagram
(For units using Set Point control mode
with or without a secondary unit.)
Red 208V
NOTE 1
Transformer
NOTE 7
NOTE 6
Black
Blue 230V
PB1
24VAC
24V COM
LV
Load Valve Output
Load Flow
Proving Switch
LF
X2
Acc 2
Primary Load
Over- ride Input
POI
X1
Acc 1
Rev Valve
L
Alarm
Source Flow
Proving Switch
To Primary Load Over-ride Input
(POI) of secondary unit.
PO
Primary Load
Over-ride Output
Comp 1
Y1
To Y1 input of secondary unit.
SE
Secondary Unit
Enable
Emergency
Shutdown
ES
3
2
1
Yellow
Yellow (21)
Black (36)
)
Yellow (29)
1
Black (R)
Black (40)
2
Black(LV)
Black (38)
3
Black (X2)
Black (35)
4
Black (X1)
Black (33)
5
Black (L)
Black (31)
6
Black (30)
7
Black (SE)
Black (28)
8
Black (SN)
Black (27)
9
Black (SHC)
NOTE 6
Violet (70 )
HP
(25)
Black (53)
10
Black (C)
11
Black (LF)
Black (55)
12
Black(POI)
Black (56)
13
Black (O)
Black (54)
Black (57)
CC
(24)
Black (PO)
14
R
24VAC
LV
Load Valve
Output
X2
Acc2
X1
Acc1
L
Alarm
PO
Primary Load
Over-ride Output
SE
Secondary Unit
Enable
SN
Secondary
24VAC Input
SHC
Secondary Unit
Heat/Cool
C
LF
Black (58)
Load Flow
Proving Switch
POI Primary Load
Over-ride Input
O
Black(SF)
NOTE 7
Green/Yellow (72)
24V COM
Rev Valve
SF
Source Flow
Proving Switch
Y1
Comp 1
Emergency
Shutdown
15
Black (Y1)
16
Black (ES)
ES
17
Black (9DC)
9 VDC - Use
9DC for CP and ES
18
Black (CP)
CP
Yellow (21)
4/02/09
ation
detection
ze detection
he compressor.
aqua stat.
he load side, the
jumpered to the R
he source side, the
jumpered to the R
cy shutdown input
P).
unit must be wired
he POI input is on a
ride output (PO) from
secondary unit.
.
43
Compressor
Proving Switch
C
R
Blk/Wht
NOTE 9
O
SF
To R from secondary unit.
SN
Secondary
24VAC Input
9 VDC - Use
for CP and ES
9 DC
To O input of secondary unit.
SHC
Secondary Unit
Heat /Cool
Compressor
Proving Switch
CP
NOTE 8
TB
Field Connection Diagram
(For units using aqua stat control
mode.)
NOTE 6
NOTE 9
C
R
24VAC
24V COM
LV
Load Valve Output
Load Flow
Proving Switch
LF
X2
Acc 2
Primary Load
Over- ride Input
POI
X1
Acc 1
Rev Valve
L
Alarm
Source Flow
Proving Switch
PO
Primary Load
Over -ride Output
Comp 1
Y1
SE
Secondary Unit
Enable
Emergency
Shutdown
ES
SN
Secondary
24VAC Input
9 VDC - Use
for CP and ES
9 DC
Compressor
Proving Switch
CP
Secondary Unit
SHC
Heat /Cool
NOTE 7
O
NOTE 10
SF
97P799-05
Aqua Stat Y1
NOTE 8
4/02/09
GSW SPECIFICATION CATALOG
Wiring Schematic - Commercial cont.
GSW Reversible - 575/460/3
Compressor
T3
T1
T2
Red
Blue
Black
Black
Blue
Unit
Power Supply
460/60/3
575/60/3
T3
T2
T1
CC
L3
L2
L1
G
Blk/Wht (69)
Yellow (68)
Green/Yellow (67)
T
LFP
T
SFP
T
AI4
+
AI6
+
AI2
+
28
29
30
31
32
33
35
36
38
40
41
NOTE 6
1
J10 24VAC Com
42
43
DI12
44
DI11
45
DI10
DI9
46
DI8
47
DI7
48
Black (59)
2
49
50
Blue (66)
LP
Red (60)
Gray (61)
Blue (62)
Black (63)
Black (64)
Black (65)
51
52
53
54
55
56
J9
20
Black (19)
19
18
Black(18)
18
17
Black(17)
17
16
Black(16)
15
Black (15)
D06
Black (38)
Black (37)
16
14
Black (13)
13
Black (33)
12
Yellow (34)
11
Black (31)
10
Black (30)
D05
11
Black (11 )
D04
10
Black (10)
9
Black (9)
8
Black(8)
7
Black (7)
D03
D02
5
4
Black (35)
Black (12)
12
Johnson
FX-10
Black (14 )
13
6
DI 3/4/5/6/ Com
DI6
DI5
DI4
DI3
DI2
9VDC
DI1
Black (40)
15
14
NOTE 1
NOTE 2
3
PB2
Black (53)
Black (26)
Black (55)
Black (56)
Black (57)
Black (58)
A15
NOTE 5
PWM2
PWM2 Com
PWM1
Black (20)
19
A11
A13
A23
39
J2
A32
LED
5VDC
37
D07
A33
5VDC
AI1
+
34
Orange (51)
Org/Wht (52)
D08
A35 A31
T
27
D09
A34
ELT
26
A25 A2 2
T
25
20
5VDC
AI3
+
AI5
+
A12 A21
T
LLT
J8
24
A24
A1 4
EST
Brown (41)
Brown (42)
White (43)
Wht/Blu (44)
Black(45)
Blk/Red (46)
Gray (47)
Gray/Wht (48)
Blue (49)
Blue/Wht (50)
GROUND
2 4VAC Com
2 4VAC
23
LST
9
Black (6)
Black (5)
Black (22)
8
Black (28)
7
Black (27)
Violet
6
Black (4)
5
3
D01
2
1
J
7
Black (3)
4
Violet (24)
3
Orange (23)
Black (2)
2
Black (1)
1
HP
Black (25)
CC
Green/Yellow (7
Oran
RV
Black (26)
Yellow (21)
Black (53)
Black (55)
Black (56)
Black (57)
Black (58)
Black (63)
Black (64)
Black (65)
97P799-08
4/02/09
Legend
Factory low voltage wiring
Factory line voltage wiring
Field low voltage wiring
Field line voltage wiring
Optional block
Field Zone Sensor Wiring
L1
Internal junction
Switch - High pressure
Field wire lug
Switch - Low pressure
Ground
Open Jumper
Relay ContactsN.O., N.C.
T
Closed Jumper
Thermistor
Relay coil
P
1 2 3
Polarized connector
44
CC - Compressor contactor
CP - Compressor Proving
ELT - Entering Load Water Temp
ES - Emergency Shutdown
EST - Entering Source Water Temp
HP - High pressure switch
LFP - Load Freeze Protection
LFS - Load Flow Proving Switch
LLT - Leaving Load Water Temp
LP - Low pressure switch
LST - Leaving Source Water Temp
RV - Reversing Valve coil
SFP - Source Freeze Protection
SFS - Source Flow Proving Switch
TB - Terminal Board
Black (54)
Notes:
1 - Disconnect for 15 degree load side freeze detection
2 - Disconnect for 15 degree source side freeze detection
3 - Acc 1 and ACC 2 outputs are cycled with the compressor.
4 - R, C, Y1, and O inputs are for use with an aqua stat.
5 - If no flow proving switch is being used on the load side, the
LF terminal on the terminal board must be jumpered to the R
terminal for the unit to operate.
6 - If no flow proving switch is being used on the source side, the
SF terminal on the terminal board must be jumpered to the R
terminal for the unit to operate.
7 - A closed contact will enable the emergency shutdown input (ES)
and the compressor proving input (CP).
8 - Primary over-ride input (POI) on a primary unit must be wired to
R through a normally open contact. If the POI input is on a
secondary unit connect the Primary Over-ride output (PO) from
the primary unit to the POI terminal on the secondary unit.
9 - Apply 24VAC to the O terminal for cooling.
GSW SPECIFICATION CATALOG
Wiring Schematic - Commercial cont.
GSW Reversible - 575/460/3
TB
Field Connection Diagram
(For units using Set Point control mode
with or without a secondary unit.)
Transformer
NOTE 6
NOTE 5
Black
Blue
PB1
R
24VAC
24V COM
LV
Load Valve Output
Load Flow
Proving Switch
LF
X2
Acc 2
Primary Load
Over- ride Input
POI
X1
Acc 1
Rev Valve
L
Alarm
Source Flow
Proving Switch
To Primary Load Over-ride Input
(POI) of secondary unit.
PO
Primary Load
Over -ride Output
Comp 1
Y1
To Y1 input of secondary unit.
SE
Secondary Unit
Enable
Emergency
Shutdown
ES
To R from secondary unit.
SN
Secondary
24VAC Input
9 VDC - Use
for CP and ES
9 DC
To O input of secondary unit.
Secondary Unit
SHC
Heat /Cool
Compressor
Proving Switch
CP
3
2
1
Yellow
Yellow (21)
Black (36)
0)
38)
35)
33)
34)
Yellow (29)
1
Black (R)
Black (40)
2
Black(LV)
Black (38)
3
Black (X2)
Black (35)
4
Black (X1)
Black (33)
5
Black (L)
Black (31)
6
Black (30)
7
Black (SE)
Black (28)
8
Black (SN)
Black (27)
9
Black (SHC)
10
Black (C)
1)
Black (PO)
R
24VAC
LV
Load Valve
Output
X2
Acc2
NOTE 3
X1
Acc1
L
Alarm
PO
Primary Load
Over-ride Output
SE
Secondary Unit
Enable
SN
Secondary
24VAC Input
0)
NOTE 5
8)
7)
Violet (70 )
HP
ck (25)
11
Black (LF)
12
Black(POI)
Black (56)
13
Black (O)
Black (57)
14
Black(SF)
Black (58)
15
Black (Y1)
Orange (39)
RV
LF
Load Flow
Proving Switch
L
Alarm
Source Flow
Proving Switch
PO
Primary Load
Over-ride Output
Comp 1
Y1
SE
Secondary Unit
Enable
Emergency
Shutdown
ES
SN
Secondary
24VAC Input
9 VDC - Use
for CP and ES
9 DC
SHC
Secondary Unit
Heat /Cool
Compressor
Proving Switch
CP
Source Flow
Proving Switch
Y1
Comp 1
Emergency
Shutdown
18
Black (CP)
CP
45
POI
Primary Load
Over- ride Input
9 VDC - Use
9DC for CP and ES
y unit must be wired to
e POI input is on a
-ride output (PO) from
e secondary unit.
g.
LF
Rev Valve
Black (9DC)
cy shutdown input (ES)
Load Flow
Proving Switch
Acc 1
Black (ES)
the source side, the
e jumpered to the R
24V COM
Load Valve Output
Acc 2
17
e detection
eze detection
the compressor.
n aqua stat.
the load side, the
e jumpered to the R
24VAC
LV
X1
Rev Valve
Compressor
Proving Switch
NOTE 6
NOTE 8
C
R
X2
16
4/02/09
NOTE 5
24V COM
O
NOTE 7
TB
Field Connection Diagram
(For units using aqua stat control
mode.)
C
ES
Yellow (21)
O
Secondary Unit
Heat/Cool
SF
NOTE 8
SF
SHC
POI Primary Load
Over-ride Input
NOTE 6
Green/Yellow (72)
ge (23)
Black (53)
Black (55)
Black (54)
CC
et (24)
C
Blk/Wht
O
NOTE 9
SF
97P799-08
Aqua Stat Y1
NOTE 7
4/02/09
GSW SPECIFICATION CATALOG
Accessories and Options
GeoStartTM
• 24P501A04 - UP15-42B7 bronze volute, 3⁄4 inch sweat
connection
• EWPK1 - UP26-99F cast iron volute, 1 inch FPT flange
connection
• EWPK2 - UP26-64BF bronze volute, 1 inch FPT flange
connection
• EWPK3 - UP26-99F cast iron volute, 1-1⁄4 inch FPT flange
connection
GeoStart is a single phase compressor soft starter which reduces
the normal start current (LRA) by 60-70%. It should be used in
applications that require low starting amps, reduced compressor
start-up noise, off-grid, and improved start-up behavior. GeoStart
is available as a factory installed option or a field installed kit
(IS60RKL or IS60RKS).
Water Connection Kits (Field Installed)
HydroZone Tank Controller
Water connection kits are available to facilitate loop side and load
side water connections.
• CKEW1 - The key 1 inch fittings needed for GSW018-GSW040
water side connections
• CKEW3 - The key 1 1⁄4 inch fittings needed for GSW050GSW075 water side connections
• HKC8S - 1 inch x 24 inch stainless steel braided hose kit
• HKC10S - 1 1⁄4 inch x 24 inch stainless steel braided hose kit
Tank controller (HZC) that adds outdoor reset with warm weather
shutdown, setpoint control, process control, and management of
four compressor outputs for our water-to-water systems.
HCU
This is used in conjunction with the HydroZone to control the GeoStorage tank electric heating element.
Earth Loop Pump Kit (Field Installed)
Figure 7: UP15-42B7, UP26-64BF, and UP26-99F Single Pump Curve
A specially designed one or two-pump module provides all liquid
flow, fill and connection requirements for independent single unit
systems (230/1/60 only). The one-pump module (FC1-FPT or FC1GL) is capable of 25 feet of head at 16.0 GPM, while the two-pump
module (FC2-FPT or FC1-GL) is capable of 50 feet of head at 16.0
GPM.
35
UP26-99F
30
UP26-64BF
UP15-42B7
Feet of Head
25
20
15
10
Hot Water Generator (Factory Installed, GSW040,
GSW050, GSW060, and GSW075 Only)
5
0
An optional heat reclaiming hot water generator coil constructed of
vented double-wall copper construction suitable for potable water is
available. The coil is factory mounted inside the unit. A DPK5 pump
kit (230/1/60) is required (field installed), which includes a DHW tank
connection and a temperature limit pump shutoff.
0
5
10
15
20
25
30
35
GPM
Figure 8: UP26-64BF and UP26-99F Two Pump Curve
70
UP26-99F (2 pumps)
60
UP26-64BF (2pumps)
50
Feet of Head
Load-side Pump Kit (Field Installed)
Four (4) load pump kits are available to provide all liquid flow
requirements for independent single unit systems (230/1/60 only).
Part number 24P501A04 (Grundfos UP15-42B7) and EWPK2
(Grundfos UP26-64BF) are bronze body pumps. Bronze body
pumps should be used when water conditions exist that are not
compatible with cast iron or for applications such as domestic water
heating. Part number EWPK1 and EWPK3 come with a cast iron
body pump (Grundfos UP26-99F) that can be used for hydronic
heating applications.
40
30
20
10
0
0
5
10
15
20
GPM
Calculate the system pressure drop then refer to the pump curves
in figures 7 and 8 to select the proper pump. All four (4) of the pump
kits can be used for hydronic heating applications as long as they
meet the flow requirements. If the flow requirements are outside
the pump curve, an alternate pump will need to be obtained to
maintain the necessary flow.
46
25
30
35
GSW SPECIFICATION CATALOG
Accessories and Options cont.
Figure 9: Geothermal Storage Tank
30°
3 0°
To Geo 59˝ Dip Tube
w/1˝ x 3˝ Nipple
From Geo
1˝ x 3˝ Nipple
PRIMARY ANODE
39˝ - 80 Gallon
42˝ - 119 Gallon
8˝
3/4˝ HOT OUTLET
w/14˝ SECONDARY ANODE
3/4˝ COLD INLET
52˝ DIP TUBE
Approx. 1˝
Yellow Wire attached
to Thermistor or Thermostat
for Top Exit
T&P
VALVE
HEIGHT
Optional “To Geo”
Connection Shipped with
1-1/2˝ Pipe Plug Installed
Element Location
Lower Sensor Thermistor (12P541-01)
to be used by Water to Water Units
35-3/4˝
Optional “From Geo” Connection
Shipped with 1-1/2˝ Pipe Plug Installed
5-1/4˝
DRAIN VALVE
DIAMETER
Lower Thermostat to be used
with QT units
MODEL
NUMBER
GALLON
CAPACITY
ELEMENT
WATTAGE
(240 VOLT)
NUMBER
OF
ELEMENTS
R
VALUE
HEIGHT
DIAMETER
APPROX.
SHIPPING
WEIGHT (lbs.)
GEO-STORAGE-80
80
4500
1
16
63-1/4
24
204
GEO-STORAGE-120
119
4500
1
16
63-1/4
28
311
47
DIMENSIONS IN INCHES
GSW SPECIFICATION CATALOG
Engineering Guide Specifications
General
copper (cupronickel option) inner tube and a steel outer tube.
Refrigerant-to-water heat exchangers shall be of copper inner
water tube and steel refrigerant outer tube design, rated to
withstand 600 PSIG (4135 kPa) working refrigerant pressure and
450 PSIG (3101 kPa) working water pressure. The thermostatic
expansion valve shall provide proper superheat over the entire
liquid temperature range with minimal “hunting.” The valve shall
operate bidirectionally without the use of check valves.
The liquid source water-to-water heat pump shall be a single
packaged heating only or reverse-cycle heating/cooling unit.
Dedicated non-reversing heating only units shall be easily field
convertible to cooling only units. The unit shall be listed by a
nationally recognized safety-testing laboratory or agency, such
as ETL Testing Laboratory, Underwriters Laboratory (UL), or
Canadian Standards Association (CSA). The unit shall be rated
in accordance with Air Conditioning, Heating, and Refrigeration
Institute/International Standards Organization (AHRI/ISO) and
Canadian Standards Association (CSA-US). The liquid source
water-to-water heat pump unit shall be designed to operate with
source liquid temperatures between 30°F [1.1°C] and 110°F
[43.3°C] in cooling, and between 25°F [-6.7°C] and 90°F [32.2°C]
in heating.
Option: Cupronickel refrigerant-to-water heat exchanger shall
be of copper-nickel inner water tube and steel refrigerant outer
tube design, rated to withstand 600 PSIG (4135 kPa) working
refrigerant pressure and 450 PSIG (3101 kPa) working water
pressure. Water lines shall also be of cupronickel construction.
Option: Hot Water Generator (available on 040-075) - Internal
double wall vented hot water generator coil refrigerant to water
heat exchangers shall be of copper inner water tube and steel
refrigerant outer tube design, rated to withstand 600 PSIG (4135
kPa) working refrigerant pressure and 450 PSIG (3101 kPa)
working water pressure.
Casing and Cabinet
The cabinet shall be fabricated from heavy-gauge galvanized
steel and finished with corrosion-resistant powder coating. This
corrosion protection system shall meet the stringent 1,000 hour
salt spray test per ASTM B117. The interior shall be insulated with
1/2˝ thick, multi-density, coated glass fiber for noise suppression.
Option: Vented double wall water-to-refrigerant heat exchange
(available on 018 and 025) - Internal vented double wall water-torefrigerant coaxial heat exchangers shall be of copper inner water
tube and steel refrigerant outer tube design, rated to withstand
600 PSIG (4136 kPA) working refrigerant pressure and 450 PSIG
(3101 kPA) water pressure.
All units shall have separate holes and knockouts for entrance
of line voltage and low voltage control wiring. All factory-installed
wiring passing through factory knockouts and openings shall be
protected from sheet metal edges at openings by plastic ferrules.
The control box shall be field switchable from front to back for
improved application flexibility with quick attach low voltage
harnesses. The control box is shipped standard on the opposite
end of the water connections.
Piping and Connections
Supply and return water connections shall be 1 inch [25.4 mm] for
the GSW018-GSW040, 1 1⁄4 inch [31.75 mm] for the GSW050GSW075, and all hot water generator water connections shall be
1⁄2 inch [12.7 mm] FPT copper fittings. The FPT fittings shall be
fixed to the cabinet by use of a captive fitting, which eliminates the
need for backup pipe wrenches.
Refrigerant Circuit
All units shall utilize the non-ozone depleting and low global
warming potential refrigerant R410A. All units shall contain a
sealed refrigerant circuit including a hermetic motor-compressor,
bidirectional thermostatic expansion valve, finned tube air-torefrigerant heat exchanger, reversing valve, coaxial tube water-torefrigerant heat exchanger, optional hot water generator coil, and
service ports. An optional vented double wall load coaxial water-torefrigerant heat exchanger is available on 018 and 025.
Electrical
A control box shall be located within the unit compressor
compartment and shall contain a 75VA transformer with a built-in
circuit breaker, 24 volt activated compressor contactor, terminal
block for thermostat wiring and solid-state controller for complete
unit operation. Electromechanical operation WILL NOT be
accepted. Units shall be name-plated for use with time delay fuses
or HACR circuit breakers. Unit controls shall be 24 volt and provide
heating or cooling as required by the remote thermostat/sensor.
Compressors shall be high-efficiency scroll type designed for heat
pump duty and mounted on vibration isolators. The compressor
shall be double isolation mounted using selected durometer
grommets to provide vibration free compressor mounting. The
compressor mounting bracket shall be acoustically deadened
galvanized steel to prevent vibration transmission to the cabinet.
A high density sound attenuating blanket shall be factory installed
around the compressor to reduce sound. Compressor motors shall
be single-phase PSC with overload protection.
A standard microprocessor-based controller that interfaces with an
electronic thermostat to monitor and control unit operation shall be
provided. The control shall provide operational sequencing, high
and low pressure switch monitoring, freeze detection, hot water
limit thermistor sensing, lockout mode control, hot water and loop
pump control, LED status and fault indicators, fault memory, field
selectable options and accessory output. The control shall provide
The coaxial water-to-refrigerant heat exchanger shall be designed
for low water pressure drop and constructed of a convoluted
48
GSW SPECIFICATION CATALOG
Engineering Guide Specifications cont.
Accessories
fault retry three times before locking out to limit nuisance trips. Anti
short-cycle protection shall be integral to the control.
Hose Kits – Automatic Balancing and Ball Valves with
‘Y’ strainer (field-installed)
A detachable terminal block with screw terminals will be provided
for field control wiring. All units shall have knockouts for entrance
of low and line voltage wiring.
P/N - HHK81S (1 in. hose kit for 018-040)
HHK100S (1 1⁄4 in. hose kit for 050-075)
A flexible steel braid hose featuring Kevlar® reinforced EPDM
core with ANSI 302/304 stainless steel outer braid and fire rated
materials per ASTM E 84-00 (NFPA 255, ANSI/UL 723 & UBC
8-1). Ball valve at one end; swivel connector with adapter at the
other end (swivel to adapter connection via fiber or EPDM gasket).
Swivel connection provides union between heat pump and piping
system. The hoses feature brass fittings, stainless steel ferrules.
A “y” strainer is provided on one end for fluid straining and integral
“blowdown” valve.. A full port ball valve shall be provided with
integral P/T (pressure/temperature) port on supply hose and
automatic balancing valve with integral P/T ports and full port ball
valve on return hose.
Optional GeoStartTM (compressor Soft Starter) shall be factory
installed for use in applications that require low starting amps,
reduced compressor start-up noise, off-grid, and improved start-up
behavior. GeoStart shall reduce normal starting current by 60% on
208/60/1 units.
Specifications:
• Temperature range of 35°F [2°C] to 180°F [82°C].
• Max. working pressure of 400 psi [2756 kPa] for 1/2˝
and 3/4˝ hose kits; max. working pressure of 350 psi
[2413 kPa] for 1˝ and 1-1/4˝ hose kits.
• Minimum burst pressure of four times working pressure.
49
GSW SPECIFICATION CATALOG
Notes
50
Product: Type:
Size: G Series - GTW
Geothermal Hydronic Heat Pump
1.5-6 Ton
Document Type:
Part Number:
Release Date:
Specification Catalog
SC1006WG
10/09
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