Product
Data
38YSA (60 Hz)
Heat Pump
Sizes 024 thru 048
The 38YSA Outdoor Sections of
high efficiency Split-System Heat
Pumps are designed for quiet,
reliable heating during the winter
and cooling during the summer.
These heat pump systems provide
economy of operation through
energy conservation. They recover
heat for indoor comfort from outdoor
air during the heating season and, by
automatically reversing the
refrigerant system, remove indoor
heat and excess humidity during the
cooling season. All models are
208/230v, single phase, 60 hertz, and
are listed with ARI, UL, c-UL, and
CSA-EEV. The 38YSA meets the
Energy Star SM guidelines for energy
efficiency.
CARRIER’S TECH2000
SILENCER SYSTEM
The Silencer System features the
InViroFlow design, energy-efficient
fan and motor, sound hood, and
discharge muffler.
InViroFlow Design — improves
airflow pattern and requires less
energy.
Energy-Efficient Fan and Fan
Motor — adds to quiet operation
while moving air more efficiently.
Sound Hood — muffles noise from
operation.
Discharge Muffler — minimizes
low frequency sound and pressure
pulsation generated by compressor
discharge gas.
FEATURES/BENEFITS
Compressor — This unit features a
Copyright 1997 Carrier Corporation
Form 38YSA-2PD
scroll compressor which is
significantly more efficient than
conventional compressors,
especially in the heating mode at
low-ambient temperatures. Its
simple design offers improved
reliability. Each compressor is
mounted on rubber isolators for
additional sound reduction. The
scroll compressor will start under
most system loads, thus eliminating
the need for start assistance components. For improved serviceability, all models are equipped with
a compressor terminal plug.
Continuous operation is approved
down to –30°F (–34.4°C) in
the heating mode and down to
55°F (12.8°C) in the cooling mode.
(See heating and cooling
performance tables.) The scroll
compressor is covered with a
standard 10-year limited warranty.
low-pressure switch for loss of
charge protection; TXV for heating
operation; and a compressor sound
hood.
Defrost Control Board —
Incorporates a defrost relay, defrost
timer, and low-voltage terminal
board. The defrost control is a time/
temperature initiation/termination
control which includes 3 fieldselectable time periods of 30, 50,
and 90 minutes; and compressor
short-cycle protection.
Thermostatic Expansion Valve
(TXV) — In addition to the TXV on
the outdoor section, this unit must be
installed with a TXV on the
indoor coil. The FC4 and FK4
indoor fan coils come factory
equipped with a bi-flow TXV. When
installed in this application, no
further change is required. If any
other indoor fan coil or furnace coil
is used, an accessory bi-flow TXV
must be installed. See accessory list
in this publication for correct part
number. Use only approved coil
combinations listed in this
publication.
Weather-Protective Cabinet — Steel
is protected with a galvanized coating,
then treated with a layer of zinc
phosphate to which a coat of modified
polyester powder coating is applied
Built-In-Reliable Components —
Include a suction accumulator that
keeps liquid refrigerant from
reaching the compressor; a
discharge thermostat to protect the
scroll compressor from excessive
internal discharge temperatures
under extreme operating conditions,
such as loss of charge or failure of
evaporator fan; high-pressure
switch for high-pressure protection;
and baked on. This provides each unit
with a hard, smooth finish that will last
for many years.
All screws on cabinet exterior are
coated for a long-lasting, rustresistant, quality appearance.
Unit Design — All units are
equipped with totally enclosed fan
motors for greater reliability under
adverse weather conditions. The
large, wraparound coil uses copper
tube and enhanced sine wave
aluminum fin and is designed for
optimum heat transfer during
heating and cooling. The vertical air
discharge carries sound and air up
and away from adjacent patio areas
and foliage. Rows of composite coils
can be cleaned with a common
garden hose.
External Service Valves — Both
service valves are brass, back
seating type with sweat connections.
Each valve has a service port for
ease of checking operating
refrigerant pressures. The suction
service port provides for ease of
checking operating pressure in the
heating mode.
Limited Warranty — Standard
1-year warranty on all parts, with an
additional 9-year warranty on the
compressor.
Model number nomenclature
38YSA
024
3
1
1
Electric Heat Pump
Packaging
Series
Nominal Capacity
024 — 24,000 Btuh
042 — 42,000 Btuh
030 — 30,000 Btuh
048 — 48,000 Btuh
036 — 36,000 Btuh
2
Electrical
3 — 208/230-1
HE
Y
MP
PU
AT
UNIT
AR
YING WITH
PL
OM
MANUFACTUR
ER
T
IFIED O ARI A
RT
S
C
CE
®
A
EQ
RI
UIP M E NT
STA
NDARD
24
0
CERTIFICATION APPLIES ONLY WHEN THE
COMPLETE SYSTEM IS LISTED WITH ARI.
As an ENERGY STARSM Partner, Carrier
Corporation has determined that this product
meets the ENERGY STAR guidelines for energy efficiency.
CERTIFICATION OF MANUFACTURING SITE
Physical data
MODEL 38YSA
OPERATING WT (Lb)
COMPRESSOR
Manufacturer
Type
REFRIGERANT
Control
Charge (Lb)
COND FAN
Air Discharge
Air Qty (CFM)
Motor HP
Motor RPM (60 hz)
COND COIL
Face Area (Sq Ft)
Fins per In.
Rows
Circuits
CONNECT (In. ID)
Vapor
Liquid
REFRIG TUBES* (In. OD)
Vapor (0–50 Ft Tube Length)
Vapor (Max Diameter for
Long-Line Applications)
Liquid (0–50 Ft Tube Length)
Liquid (For Long-Line
Applications)
024-31
030-31
036-31
042-31
048-31
205
233
223
243
343
7.38
9.13
10.88
12.38
2400
1/5
825
2400
1/5
825
Copeland
Scroll
R-22
TXV (Cooling & Heating)
10.88
Propeller Type, Direct Drive
Vertical
2400
1/5
825
2400
1/5
825
3400
1/5
820
15.15
20
2
3
18.18
20
2
5
18.18
20
2
5
20.74
20
2
6
5/8
3/4
18.18
20
2
5
Sweat
3/4
3/8
7/8
7/8
5/8
3/4
3/4
7/8
7/8
3/4
7/8
7/8
3/8
1-1/8
1-1/8
3/8
* Tube sizes are for runs up to 50 ft. For tube set over 50 ft, consult Residential Split System Long-Line Application Guideline.
NOTE: See unit Installation Instructions for proper installation.
METERING DEVICE
UNIT
SIZE
024
030
036
042
048
SERIES
31
31
31
31
31
OUTDOOR
TXV
Standard
Standard
Standard
Standard
Standard
INDOOR
TXV*
KHATX1001HSO
KHATX1101HSO
KHATX1201HSO
KHATX1201HSO
KHATX1301HSO
* TXV must be ordered separately when indoor coil is not equipped with a
TXV. TXV listed is for any approved coil combination. All TXVs are bi-flow,
hard shutoff.
3
Accessories
ORDERING
NUMBER
Low-Ambient Controller — All Sizes
32LT660004 (RCD)†
MotorMaster® Control — All Sizes
HC38GE230 (RCD)
Ball Bearing Fan Motor — All Sizes
KAAFT0101AAA‡
Evaporator Freeze Thermostat — All Sizes
KHAIR0101AAA‡
Isolation Relay — All Sizes
KSAHS1501AAA
Start Assist — Capacitor and Relay — Sizes 024–042
KSAHS1601AAA
Start Assist — Capacitor and Relay — Size 048
KAACH1201AAA
Crankcase Heater — All Sizes
KHAOT0301FST
Outdoor Thermostat — All Sizes
KHAOT0201SEC
Secondary Outdoor Thermostat — All Sizes
KFAEH2201H10
Smart Heat Electric Heater
KFAEH2301H15
Smart Heat Electric Heater
KFAEH2401H20
Smart Heat Electric Heater
KHASA0101AAA**
Service Alarm — All Sizes
KHAIC0101AAA
*
†
‡
**
††
Interface Control (Optimizer II) — All Sizes
KHATX1001HSO††
Bi-Flow TXV (Hard Shutoff) — Size 024
KHATX1101HSO††
Bi-Flow TXV (Hard Shutoff) — Size 030
KHATX1201HSO††
Bi-Flow TXV (Hard Shutoff) — Sizes 036, 042
KHATX1301HSO††
Bi-Flow TXV (Hard Shutoff) — Size 048
P504-8083S (RCD)
Filter-Drier — Bi-Flow — All Sizes
KHALS0101LLS
Liquid-Line Solenoid Valve — All Sizes
KSASF0101AAA
Support Feet — 4 in. — All Sizes
KHASS0206MPK
Snow Stand — Sizes 024–042
KHASS0306MPK
Snow Stand — Size 048
Isolation relay required.
Fan motor with ball bearings required.
Consult low-ambient Installation Instructions for application.
For indicator light function, thermostat specified must be used and wired according to service alarm Installation Instructions.
Must be applied on coils not equipped with TXV.
THERMOSTAT PKG
DESCRIPTION
TSTATCCNHP01-A
Thermostat, Auto Changeover, Non-Programmable, °F/°C, 2-Stage Heat, 1-Stage Cool
TSTATCCPHP01-A
Thermostat, Auto Changeover, 7-Day Programmable, °F/°C, 2-Stage Heat, 1-Stage Cool
TSTATCCPDF01-A
Thermostat, Auto Changeover, 7-Day Programmable, °F/°C, Dual Fuel Thermostat,
Must be used with Outdoor Sensor (TSTATCCSEN01)
TSTATCCP2S01-A
Thermostat, Auto Changeover, 7-Day Programmable, °F/°C, 2-Stage Heat/2-Stage Cool in AC Mode,
3-Stage Heat/2-Stage Cool in HP Mode (For Use with the FK Smart Heat Option)
--HH--07AT-215
4
DESCRIPTION
P251-0083 (RCD)*
Thermostat, Manual Changeover, Non-Programmable, °F, 2-Stage Heat, 1-Stage Cool
TSTATCCSEN01
Outdoor Air Temperature Sensor
TSTATXXNBP01
Backplate for Non-Programmable Thermostat
TSTATXXPBP01
Backplate for Programmable Thermostat
TSTATXXCNV10
Thermostat Conversion Kit (4 to 5 wire) — 10 Pack
Accessory description and usage (Listed alphabetically)
1.
Ball Bearing Fan Motor
A fan motor with ball bearings which permits speed reduction while maintaining bearing lubrication.
SUGGESTED USE: Required on all units where Low-Ambient Controller (full modulation feature) or MotorMaster® Control has been added.
2. Compressor Start Assist — Capacitor and Relay
Start capacitor and start relay gives “hard” boost to compressor motor at each start-up.
SUGGESTED USE: Installations where interconnecting tube length exceeds 50 ft.
Installations where outdoor design temperature exceeds 105°F (40.6°C).
Replacement installations with hard shutoff expansion valve on indoor coil.
Installations where Liquid-Line Solenoid Valve has been added.
3. Crankcase Heater
An electric resistance heater which mounts to the base of the compressor to keep the lubricant warm during off cycles. Improves compressor lubrication on
restart and minimizes chance of refrigerant slugging. May or may not include a thermostat control.
SUGGESTED USE: When interconnecting tube length exceeds 50 ft.
When unit will be operated below 55°F (12.8°C) outdoor air temperature. (Use with Low-Ambient Controller.)
All commercial installations.
4. Evaporator Freeze Thermostat
An SPST temperature actuated switch which stops unit operation when evaporator reaches freeze-up conditions.
SUGGESTED USE: All units where Low-Ambient Controller has been added.
5. Filter Drier — Bi-Flow
A device for removing contaminants from refrigerant circulating in a heat pump system: 2-direction flow.
SUGGESTED USE: All split-system heat pumps.
6. Interface Control
An electric control for controlling a heat pump and gas or oil furnace system for maximum energy savings. It allows heat pump to operate down to a
predetermined economic balance point temperature, then switches to allow furnace operation only below that temperature. KHAIC0101AAA requires outdoor
thermostat to be adjusted for economic balance point temperature.
SUGGESTED USE: Required for all heat pump and gas- or oil-fired furnace combination systems, unless Dual Fuel Thermostat is used.
7. Isolation Relay
An SPDT relay which switches the low-ambient controller out of the outdoor fan motor circuit when the heat pump switches to heating mode.
SUGGESTED USE: All heat pumps where Low-Ambient Controller has been added.
8. Liquid-Line Solenoid Valve (LSV)
An electrically operated shutoff valve to be installed at the outdoor or indoor unit (depending on tubing configuration) which stops and starts refrigerant liquid
flow in response to compressor operation. Maintains a column of refrigerant liquid ready for action at next compressor operation cycle.
NOTE: Compressor Start-Assist — Capacitor and Relay must also be used.
SUGGESTED USE: In certain long-line applications (refer to Residential Split System Long-Line Application Guideline).
9. Low-Ambient Controller
Head pressure controller is a fan control device activated by a temperature sensor mounted on a header tube of the outdoor coil. It is designed to cycle the outdoor
fan motor in order to maintain condensing temperature within normal operating limits (approximately 100°F high and 60°F low). The control will maintain
working head pressure at low-ambient temperatures down to 0°F when properly installed.
SUGGESTED USE: Cooling operation at outdoor temperatures below 55°F (12.8°C).
All commercial installations.
10. MotorMaster® Control
A fan speed control device activated by a temperature sensor. Designed to control condenser fan motor speed in response to the saturated, condensing
temperature during operation in cooling mode only. For outdoor temperatures down to –20°F, it maintains condensing temperature at 100°F ± 10°F.
SUGGESTED USE: Cooling operation at outdoor temperatures below 55°F.
All commercial installations.
11. Outdoor Air Temperature Sensor
A device that allows the temperature at a remote location (outdoors) to be displayed on the thermostat.
SUGGESTED USE: All corporate programmable thermostats.
12. Outdoor Thermostat
An SPDT temperature actuated switch which turns on supplemental electric heaters when outdoor air temperature drops below set point.
SUGGESTED USE: Heat pump installations with multiple-stage supplemental heaters.
13. Secondary Outdoor Thermostat
An SPDT temperature actuated switch which turns on third stage of supplemental electric heaters when outdoor air temperature drops below the second-stage
set point.
SUGGESTED USE: Heat pump installations where 3-stage operation of supplemental heaters is desired.
14. Service Alarm
A current-sensing lockout relay which provides immediate notification that compressor is not operating during a call for heating or cooling. Used with proper
room thermostat, the thermostat light is turned on signifying service is required. This can minimize electrical cost increase due to operation of supplemental
heaters only.
SUGGESTED USE: As a feature to notify owner immediately when the system is not operating most efficiently.
15. Snow Stand
Coated wire rack which supports unit 18 in. above mounting pad to allow for drainage from unit base.
SUGGESTED USE: Heat pump installations in heavy snowfall areas.
Heat pump installations in snowdrift locations.
Heat pump installations in areas of prolonged subfreezing temperatures.
All commercial installations.
16. Support Feet
Four stick-on plastic feet which raise the unit 4 in. above the mounting pad. This allows sand, dirt, and other debris to be flushed from the unit base, minimizing
corrosion.
SUGGESTED USE: Coastal installations.
Windy areas or where debris is normally circulating.
Rooftop installations.
17. Thermostatic Expansion Valve (TXV) — Bi-Flow
A modulating flow-control valve which meters refrigerant liquid flow rate into the evaporator in response to the superheat of the refrigerant gas leaving the
evaporator. Kit includes valve, adapter tubes, external equalizer tube.
SUGGESTED USE: Required for proper system performance. Refer to ARI Unitary Directory.
Required for use on all zoning systems.
5
Electrical data
LRA
RLA
FAN
FLA
MCA
024-31
56.0
10.9
1.1
14.7
14
14
53
50
20
030-31
72.5
13.5
1.1
18.0
14
14
44
42
25
88.0
19.5
1.1
25.5
10
10
77
73
40
042-31
104.0
17.9
1.1
23.5
12
12
52
50
35
048-31
129.0
23.9
1.4
31.3
8
10
97
59
45
UNIT SIZESERIES
036-31
OPER VOLTS*
V/PH
208/230-1
Max
253
Min
COMPR
187
75°C
MIN
WIRE
SIZE†
60°C
75°C
MAX
MAX
LENGTH LENGTH
(Ft)‡
(Ft)‡
MAX FUSE**
OR
HACR TYPE
CKT BKR
AMPS
60°C
MIN
WIRE
SIZE†
* Permissible limits of the voltage range at which unit will operate satisfactorily. Operation outside these limits may result in unit failure.
† If wire is applied at ambient greater than 30°C (86°F), consult Table 310-16 of the NEC (ANSI/NFPA 70).
The ampacity of nonmetallic-sheathed cable (NM), trade name ROMEX, shall be that of 60°C (140°F) conductors, per the NEC (ANSI/NFPA 70)
Article 336-30.
‡ Length shown is as measured 1 way along the wire path between the unit and the service panel for maximum 2% voltage drop. If other than
uncoated (non-plated), 60° or 75°C (140° or 167°F) insulation, copper wire (solid wire for 10 AWG and smaller, stranded wire for larger than 10
AWG) is used, consult applicable tables of the NEC (ANSI/NFPA 70).
** Time-delay fuse.
FLA
HACR
LRA
MCA
RLA
—
—
—
—
—
Full Load Amps
Heating, Air Conditioning, Refrigeration
Locked Rotor Amps
Minimum Circuit Amps
Rated Load Amps
NOTES:
1. Control circuit is 24v on all units and requires external power source.
2. Copper wire must be used from service disconnect to unit.
3. All motors/compressors contain internal overload protection.
6
SERIES
1
1
1
1
1
UNIT
SIZE
024
030
036
042
048
AIR DISCHARGE
AIR IN
AIR DISCHARGE
A
AIR IN
AIR IN
33-13/16
39-13/16
39-13/16
39-13/16
33-13/16
L
B
38-5/8
30
30
30
30
C
45
34-15/16
34-15/16
34-15/16
34-15/16
J
CL
E
D
4
4
4
4
D
5-5/16
K
3/8 IN. DIA TIEDOWN
KNOCKOUTS (2)
PLACES IN BASEPAN
E
11-13/16
9-3/4
9-3/4
9-3/4
9-3/4
1 3/4"
2 1/2"
21-1/2
27-1/2
27-1/2
27-1/2
21-1/2
F
27-7/8
33-7/8
33-7/8
33-7/8
27-7/8
G
UNIT DIMENSIONS
7/8
7/8
3/4
3/4
5/8
H
DIMENSIONS (IN.)
AIR DISCHARGE
C
H DIA VAPOR LINE CONN
J
8-9/16
8-3/16
8-3/16
8-3/16
8-3/16
2 15/16"
4 3/16"
3/8 IN. DIA.
LIQUID LINE
CONN
K
F
19-1/2
16-1/2
16-1/2
16-1/2
A
L
25-1/2
20-3/8
20-3/8
20-3/8
20-1/2
1 1/4"
G
16-13/16
10 1/2"
FIELD CONTROL SUPPLY
CONN 7/8 IN. DIA HOLE
1 9/16"
FIELD POWER SUPPLY CONN
7/8 IN. DIA HOLE WITH
1 1/8 IN. DIA KNOCKOUT
AND
1 3/8 IN. DIA KNOCKOUT
1. Allow 30 in. clearance to service side of unit, 48 in. above unit, 6 in.
on one side, 12 in. on remaining side, and 24 in. between units for proper airflow.
2. Minimum outdoor operating ambient in cooling mode is 55°F (unless low ambient control is used) max 125°F.
3. Maximum outdoor operating ambient in heating mode is 66°F.
4. Series designation is the 13th position of the unit model number.
5. Center of gravity .
NOTES:
M
16
15
16
15
14
A96517
M
32 x 42
26 x 32
26 x 32
26 x 32
26 x 32
36 x 46
31 x 35
31 x 35
31 x 35
31 x 35
Support Feet Snow Stand
MINIMUM MOUNTING
PAD DIMENSIONS
ACCESS
PANEL
B
Dimensions
7
80
70
60
40
38YSA024-311
FK4CNF002
38YSA030-311
FK4CNF003
38YSA036-311
FK4CNF005
38YSA042-311
FK4CNB006
38YSA048-311
FK4CNB006
38YSA BALANCE POINT WORKSHEET
30
70
BASED ON INDOOR ENT. AIR AT
60
70°F AND AT RATED CFM
50
OUTDOOR TEMPERATURE, °F
80
23.4
20.5
17.6
14.7
11.7
8.8
KW
50
40
30
20
5.9
10
20
0
2.9
-10
10
Printed in U.S.A.
8
BUILDING HEAT LOSS, 1000 BTU/HR
UNIT INTEGRATED HEATING CAPACITY, 1000 BTU/HR
A97120
Combination ratings
ARI STANDARD RATINGS†
Cooling
Heating
SEER
UNIT SIZESERIES
024-31
030-31
036-31
042-31
048-31
INDOOR
UNIT
TC
FactorySupplied
Enhancement
FK4CNF002*
FK4CNF001
FK4CNF003
FK4CNF003*
FK4CNF002
FK4CNF005
FK4CNF005*
FK4CNB006
FK4CNB006*
FK4CNF005
FC4BNB054
FK4CNB006*
FK4CNF005
FC4BNB054
23,600
23,400
23,800
29,400
29,000
30,000
35,400
35,400
41,000
41,000
40,000
47,500
47,500
47,000
TDR & TXV
TDR & TXV
TDR & TXV
TDR & TXV
TDR & TXV
TDR & TXV
TDR & TXV
TDR & TXV
TDR & TXV
TDR & TXV
TDR & TXV
TDR & TXV
TDR & TXV
TDR & TXV
High-Temp
Carrier Gas
Furnace or
Standard Accessory Accessory
Rating
TDR‡
TXV**
14.50
14.20
14.70
15.00
14.20
15.50
14.50
14.70
14.20
13.70
13.00
14.00
13.50
13.00
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Low-Temp
EER
TC
COP
TC
COP
12.50
12.35
12.80
12.50
12.00
12.85
12.20
12.40
12.05
11.80
11.05
12.00
11.65
11.20
24,000
24,000
24,000
32,000
32,000
32,000
36,000
35,400
41,500
42,000
42,000
50,000
50,000
50,000
3.56
3.52
3.58
3.44
3.42
3.66
3.72
3.92
3.80
3.56
3.60
3.70
3.26
3.56
13,900
13,900
13,800
19,200
19,400
19,300
21,800
21,600
25,000
25,400
25,600
29,400
30,200
30,000
2.30
2.30
2.32
2.36
2.36
2.48
2.52
2.66
2.60
2.42
2.46
2.54
2.08
2.44
Seasonal Sound
Efficiency Rating
HSPF
(dBA)
8.60
8.60
8.60
8.40
8.30
9.00
9.00
9.40
8.80
8.20
8.20
9.00
7.50
8.50
72
72
72
72
72
72
73
73
73
73
73
74
74
74
* Outdoor section/indoor section combination tested in accordance with DOE test procedures for heat pumps. Ratings for other combinations are
determined under DOE computer simulation procedures.
† Ratings are net values reflecting the effects of circulating fan heat. Supplemental electric heat is not included. Ratings are based on:
Cooling Standard: 80°F (27°C) db 67°F (19°C) wb indoor entering air temperature and 95°F (35°C) db air entering outdoor unit.
High-Temp Heating Standard: 70°F (21°C) db indoor entering air temperature and 47°F (8°C) db 43°F (6°C) wb air entering outdoor unit.
Low-Temp Heating Standard: 70°F (21°C) db indoor entering air temperature and 17°F (–9°C) db 15°F (–10°C) wb air entering outdoor unit.
‡ In most cases, only 1 method should be used to achieve TDR function. Using more than 1 method in a system may cause degradation in performance. Use either the accessory Time-Delay Relay KAATD0101TDR or a furnace equipped with TDR. All Carrier furnaces are equipped with TDR
except for the 58GFA.
** Requires hard shutoff TXV; based on computer simulation.
SEER — Seasonal Energy Efficiency Ratio
COP — Coefficient of Performance
HSPF — Heating Seasonal Performance Factor
TC — Total Capacity (Btuh)
TXV — Thermostatic Expansion Valve
TDR — Time-Delay Relay
9
Detailed cooling capacities*
CONDENSER ENTERING AIR TEMPERATURES °F
EVAP
AIR
CFM
EWB
75
85
95
Capacity
MBtuh†
Capacity
MBtuh†
Capacity
MBtuh†
Total
Sys
Total Sens‡ Kw**
Total
Sys
Total Sens‡ Kw**
105
Total
Sys
Total Sens‡ Kw**
115
Capacity
MBtuh†
Total
Sys
Total Sens‡ Kw**
125
Capacity
MBtuh†
Total
Sys
Total Sens‡ Kw**
Capacity
MBtuh†
Total
Sys
Total Sens‡ Kw**
38YSA024-31 Outdoor Section With FK4CNF002 Indoor Section
630
700
805
72
67
63††
62
57
72
67
63††
62
57
72
67
63††
62
57
27.1
25.0
23.3
22.9
22.0
27.5
25.4
23.7
23.3
22.7
28.0
25.9
24.2
24.0
23.7
13.5
17.0
16.6
20.3
22.0
14.1
17.9
17.4
21.5
22.7
14.8
19.1
18.6
23.2
23.7
1.48
1.50
1.50
1.50
1.51
1.49
1.51
1.51
1.51
1.52
1.51
1.52
1.53
1.53
1.53
26.2
24.2
22.5
22.1
21.3
26.7
24.6
22.9
22.5
22.1
27.1
25.0
23.4
23.1
23.0
13.2
16.6
16.2
19.9
21.3
13.7
17.5
17.0
21.1
22.1
14.5
18.8
18.2
22.7
23.0
1.67
1.68
1.68
1.68
1.69
1.68
1.69
1.69
1.69
1.69
1.69
1.70
1.71
1.71
1.71
25.3
23.2
21.6
21.2
20.6
25.7
23.6
22.0
21.6
21.3
26.1
24.1
22.4
22.2
22.2
12.9
16.3
15.8
19.5
20.6
13.4
17.1
16.6
20.7
21.3
14.2
18.4
17.8
22.2
22.2
1.87
1.88
1.88
1.88
1.88
1.88
1.89
1.89
1.89
1.89
1.90
1.90
1.90
1.90
1.90
24.2
22.2
20.6
20.2
19.8
24.6
22.6
20.9
20.6
20.5
25.0
22.9
21.4
21.4
21.4
12.5
15.9
15.4
19.0
19.8
13.0
16.7
16.2
20.2
20.5
13.8
17.9
17.4
21.4
21.4
2.09
2.09
2.09
2.09
2.09
2.10
2.11
2.10
2.10
2.10
2.12
2.12
2.12
2.12
2.12
23.1
21.0
19.6
19.2
19.0
23.4
21.3
19.9
19.7
19.7
23.8
21.7
20.3
20.4
20.5
12.1
15.3
14.9
18.6
19.0
12.6
16.2
15.7
19.6
19.7
13.3
17.5
16.9
20.4
20.5
2.33
2.33
2.32
2.32
2.32
2.34
2.34
2.33
2.33
2.33
2.36
2.36
2.35
2.35
2.35
21.6
19.6
18.3
18.2
18.0
21.9
19.9
18.6
18.7
18.6
22.3
20.3
18.9
19.5
19.4
11.5
14.8
14.4
18.0
18.0
12.1
15.7
15.2
18.7
18.6
12.8
16.9
16.3
19.5
19.4
2.59
2.58
2.57
2.57
2.57
2.60
2.59
2.58
2.59
2.58
2.62
2.61
2.60
2.61
2.61
Multipliers for Determining the Performance With Other Indoor Sections
Cooling
Indoor
Section
Size
Capacity
Power
FK4CNF
001
0.99
1.00
002
1.00
1.00
1.01
0.98
003
Cooling
Indoor
Section
Size
Capacity
Power
—
—
—
38YSA030-31 Outdoor Section With FK4CNF003 Indoor Section
788
875
1006
72
67
63††
62
57
72
67
63††
62
57
72
67
63††
62
57
34.3
31.4
29.3
28.8
27.5
34.8
32.0
29.8
29.4
28.4
35.4
32.7
30.5
30.1
29.6
17.0
21.1
20.6
25.1
27.5
17.6
22.2
21.6
26.6
28.4
18.5
23.7
23.0
28.6
29.6
1.74
1.77
1.79
1.80
1.81
1.74
1.78
1.80
1.81
1.82
1.76
1.79
1.81
1.82
1.82
32.9
30.3
28.2
27.7
26.6
33.5
30.8
28.7
28.3
27.5
34.2
31.3
29.3
29.0
28.7
16.5
20.6
20.1
24.6
26.6
17.1
21.7
21.1
26.1
27.5
18.0
23.1
22.5
28.0
28.7
2.01
2.04
2.06
2.07
2.08
2.02
2.05
2.07
2.08
2.09
2.03
2.06
2.09
2.09
2.10
31.6
29.1
27.0
26.6
25.7
32.2
29.4
27.5
27.1
26.5
32.8
29.9
27.9
27.7
27.6
16.0
20.1
19.6
24.1
25.7
16.6
21.1
20.5
25.5
26.5
17.5
22.6
21.9
27.3
27.6
2.32
2.35
2.37
2.37
2.38
2.33
2.35
2.38
2.38
2.38
2.34
2.37
2.39
2.39
2.39
30.3
27.6
25.8
25.4
24.7
30.7
28.1
26.1
25.8
25.4
31.1
28.6
26.5
26.5
26.5
15.5
19.5
19.0
23.5
24.7
16.1
20.6
19.9
24.8
25.4
17.0
22.1
21.3
26.5
26.5
2.66
2.68
2.70
2.70
2.71
2.67
2.69
2.70
2.71
2.71
2.67
2.70
2.72
2.72
2.72
28.6
26.1
24.4
24.0
23.7
29.0
26.5
24.8
24.6
24.3
29.5
27.0
25.3
25.4
25.3
14.9
18.9
18.4
22.9
23.7
15.5
19.9
19.4
24.2
24.3
16.4
21.4
20.8
25.4
25.3
3.02
3.04
3.06
3.06
3.06
3.03
3.05
3.07
3.07
3.07
3.05
3.07
3.09
3.08
3.08
26.8
24.6
22.8
22.6
22.5
27.2
25.0
23.2
23.1
23.1
27.7
25.5
23.7
24.1
24.0
14.2
18.3
17.7
22.1
22.5
14.9
19.4
18.7
23.1
23.1
15.8
20.8
20.1
24.1
24.0
Multipliers for Determining the Performance With Other Indoor Sections
Size
Capacity
Power
FK4CNF
002
0.99
1.03
003
1.00
1.00
005
1.02
0.99
See notes on pg. 11.
10
Cooling
Indoor
Section
Indoor
Section
Cooling
Size
Capacity
Power
—
—
—
3.41
3.43
3.44
3.44
3.45
3.42
3.44
3.45
3.45
3.45
3.44
3.46
3.47
3.47
3.47
Detailed cooling capacities* continued
CONDENSER ENTERING AIR TEMPERATURES °F
EVAP
AIR
CFM
EWB
75
85
95
Capacity
MBtuh†
Capacity
MBtuh†
Capacity
MBtuh†
Total
Sys
Total Sens‡ Kw**
Total
Sys
Total Sens‡ Kw**
105
Total
Sys
Total Sens‡ Kw**
115
Capacity
MBtuh†
Total
Sys
Total Sens‡ Kw**
125
Capacity
MBtuh†
Total
Sys
Total Sens‡ Kw**
Capacity
MBtuh†
Total
Sys
Total Sens‡ Kw**
38YSA036-31 Outdoor Section With FK4CNF005 Indoor Section
945
1050
1208
72
67
63††
62
57
72
67
63††
62
57
72
67
63††
62
57
41.3
37.9
35.4
34.8
33.4
42.1
38.7
36.2
35.6
34.5
43.0
39.6
37.0
36.6
36.1
20.5
25.6
25.0
30.7
33.4
21.4
27.0
26.4
32.6
34.5
22.6
29.0
28.2
35.2
36.1
2.33
2.31
2.30
2.30
2.29
2.35
2.34
2.32
2.32
2.31
2.38
2.37
2.35
2.35
2.35
39.8
36.6
34.1
33.5
32.4
40.4
37.1
34.7
34.2
33.5
41.0
37.8
35.3
35.0
34.8
20.0
25.1
24.5
30.1
32.4
20.8
26.4
25.7
31.9
33.5
21.9
28.3
27.5
34.4
34.8
2.60
2.59
2.57
2.57
2.56
2.62
2.60
2.59
2.59
2.59
2.65
2.63
2.62
2.62
2.62
38.1
34.9
32.6
32.1
31.2
38.6
35.4
33.1
32.7
32.2
39.1
36.0
33.9
33.5
33.5
19.3
24.4
23.8
29.4
31.2
20.1
25.7
25.0
31.2
32.2
21.2
27.6
26.9
33.4
33.5
2.90
2.88
2.87
2.87
2.86
2.92
2.90
2.89
2.89
2.88
2.95
2.93
2.92
2.92
2.92
36.2
33.2
31.0
30.5
30.0
36.6
33.6
31.6
31.3
30.9
37.2
34.4
32.3
32.3
32.1
18.7
23.7
23.1
28.7
30.0
19.4
25.0
24.4
30.5
30.9
20.5
27.0
26.2
32.3
32.1
3.23
3.21
3.19
3.19
3.18
3.25
3.23
3.22
3.21
3.21
3.28
3.26
3.25
3.25
3.24
34.3
31.4
29.5
28.9
28.6
34.6
32.0
29.9
29.7
29.5
35.1
32.7
30.3
30.8
30.8
18.0
23.0
22.4
27.9
28.6
18.7
24.4
23.6
29.6
29.5
19.8
26.3
25.4
30.8
30.8
3.59
3.56
3.55
3.54
3.54
3.61
3.59
3.57
3.57
3.56
3.64
3.62
3.60
3.61
3.61
32.3
29.5
27.8
27.4
27.2
32.5
30.1
28.1
28.2
28.0
32.9
30.7
28.5
29.2
29.2
17.2
22.3
21.7
27.1
27.2
18.0
23.6
22.9
28.2
28.0
19.1
25.5
24.6
29.2
29.2
3.98
3.95
3.93
3.93
3.92
4.00
3.98
3.95
3.95
3.95
4.03
4.01
3.98
3.99
3.99
Multipliers for Determining the Performance With Other Indoor Sections
Cooling
Cooling
Indoor
Section
Size
Capacity
Power
Indoor
Section
Size
Capacity
Power
FK4CNB
006
1.00
0.99
FK4CNF
005
1.00
1.00
38YSA042-31 Outdoor Section With FK4CNB006 Indoor Section
1102
1225
1409
72
67
63††
62
57
72
67
63††
62
57
72
67
63††
62
57
48.0
44.1
41.3
40.5
38.6
48.7
44.9
42.0
41.3
40.1
49.6
45.7
42.8
42.2
41.9
23.8
29.8
29.1
35.6
38.6
24.8
31.3
30.6
37.8
40.1
26.1
33.6
32.7
40.8
41.9
2.77
2.74
2.72
2.71
2.70
2.79
2.76
2.74
2.74
2.73
2.83
2.80
2.78
2.77
2.77
46.0
42.3
39.5
38.8
37.5
46.7
43.0
40.2
39.6
38.7
47.5
43.8
41.0
40.5
40.3
23.1
29.0
28.3
34.8
37.5
24.0
30.6
29.8
36.9
38.7
25.4
32.8
31.9
39.8
40.3
3.07
3.04
3.02
3.01
3.00
3.10
3.07
3.04
3.04
3.03
3.13
3.10
3.08
3.07
3.07
44.0
40.4
37.8
37.1
36.3
44.5
41.0
38.3
38.0
37.5
45.3
42.0
39.3
39.0
39.0
22.3
28.3
27.5
34.0
36.3
23.2
29.8
29.0
36.2
37.5
24.6
32.1
31.2
39.0
39.0
3.41
3.38
3.35
3.34
3.34
3.44
3.40
3.38
3.38
3.37
3.47
3.44
3.42
3.42
3.42
41.8
38.5
36.1
35.5
34.8
42.3
39.3
36.7
36.2
36.0
43.3
40.0
37.3
37.3
37.4
21.6
27.5
26.8
33.3
34.8
22.4
29.1
28.3
35.3
36.0
23.9
31.3
30.3
37.3
37.4
3.78
3.75
3.73
3.72
3.71
3.81
3.78
3.75
3.75
3.74
3.85
3.82
3.79
3.79
3.79
39.9
36.7
34.3
34.0
33.3
40.4
37.4
34.8
34.6
34.4
40.9
38.1
35.3
35.8
35.7
20.9
26.7
26.0
32.6
33.3
21.8
28.4
27.4
34.5
34.4
23.1
30.6
29.5
35.8
35.7
4.20
4.16
4.13
4.13
4.12
4.23
4.20
4.16
4.16
4.15
4.26
4.24
4.19
4.21
4.20
38.0
34.9
32.4
32.1
31.8
38.4
35.3
32.7
32.9
32.7
38.8
35.8
33.2
34.2
33.9
20.2
26.0
25.2
31.7
31.8
21.1
27.5
26.6
32.9
32.7
22.4
29.7
28.6
34.2
33.9
4.67
4.63
4.58
4.59
4.58
4.69
4.65
4.61
4.62
4.61
4.73
4.69
4.64
4.66
4.66
Multipliers for Determining the Performance With Other Indoor Sections
Cooling
Cooling
Indoor
Section
Size
Capacity
Power
Indoor
Section
Size
Capacity
Power
FC4BNB
054
0.98
1.07
FK4CNF
005
1.00
1.02
FK4CNB
006
1.00
1.00
—
—
—
38YSA048-31 Outdoor Section With FK4CNB006 Indoor Section
1260
1400
1610
72
67
63††
62
57
72
67
63††
62
57
72
67
63††
62
57
55.7
51.2
48.0
47.1
44.7
56.6
52.1
48.8
48.0
46.3
57.6
53.1
49.8
49.0
48.2
27.3
34.0
33.3
40.6
44.7
28.3
35.7
34.9
42.9
46.3
29.8
38.2
37.2
46.3
48.2
3.10
3.08
3.07
3.07
3.06
3.13
3.11
3.10
3.10
3.09
3.18
3.16
3.14
3.14
3.14
53.4
49.1
45.9
45.1
43.2
54.1
49.9
46.7
46.2
44.6
55.0
50.7
47.8
47.3
46.4
26.4
33.1
32.4
39.7
43.2
27.4
34.8
33.9
42.1
44.6
28.9
37.2
36.3
45.4
46.4
3.51
3.49
3.47
3.46
3.46
3.54
3.52
3.50
3.50
3.49
3.58
3.56
3.55
3.55
3.54
51.0
46.9
44.0
43.3
41.6
51.6
47.5
44.7
44.1
43.1
52.4
48.6
45.5
45.0
44.9
25.5
32.2
31.5
38.8
41.6
26.5
33.8
33.1
41.1
43.1
27.9
36.4
35.3
44.3
44.9
3.96
3.93
3.92
3.91
3.89
3.99
3.96
3.95
3.94
3.94
4.03
4.01
3.99
3.99
3.99
48.4
44.7
41.9
41.1
40.0
49.0
45.4
42.4
41.9
41.3
49.7
46.1
43.1
42.8
42.9
24.6
31.3
30.5
37.8
40.0
25.5
33.0
32.1
40.0
41.3
27.0
35.4
34.3
42.8
42.9
4.44
4.42
4.39
4.39
4.38
4.47
4.45
4.42
4.42
4.42
4.52
4.50
4.47
4.47
4.47
45.7
42.3
39.5
38.9
38.2
46.6
42.9
40.0
39.6
39.4
47.3
43.4
40.6
40.8
40.9
23.6
30.3
29.5
36.7
38.2
24.7
32.0
31.0
38.9
39.4
26.2
34.3
33.3
40.8
40.9
4.97
4.94
4.91
4.90
4.89
5.01
4.97
4.94
4.93
4.93
5.06
5.02
4.99
4.99
4.99
42.9
39.7
37.1
36.6
36.3
43.6
40.1
37.5
37.3
37.3
44.4
40.7
38.0
38.6
38.7
22.6
29.3
28.4
35.6
36.3
23.7
30.9
29.9
37.3
37.3
25.2
33.3
32.2
38.6
38.7
5.54
5.50
5.46
5.45
5.45
5.58
5.53
5.49
5.49
5.49
5.63
5.58
5.54
5.55
5.55
Multipliers for Determining the Performance With Other Indoor Sections
Cooling
Cooling
Indoor
Section
Size
Capacity
Power
Indoor
Section
Size
Capacity
Power
FC4BNB
054
0.99
1.05
FK4CNF
005
1.00
1.02
FK4CNB
006
1.00
1.00
—
—
—
* Detailed cooling capacities are based on indoor and outdoor unit at the same elevation per ARI standard 210/240-94. If additional tubing length
and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur.
† Total and sensible capacities are net capacities. Blower motor heat has been subtracted.
‡ Sensible capacities shown are based on 80°F (27°C) entering air at the indoor coil. For sensible capacities at other than 80°F (27°C), deduct
835 Btuh (245 kw) per 1000 CFM (480 L/S) of indoor coil air for each degree below 80°F (27°C), or add 835 Btuh (245 kw) per 1000 CFM
(480 L/S) of indoor coil air per degree above 80°F (27°C).
** System kw is total of indoor and outdoor unit kilowatts.
†† At TVA rating indoor condition (75°F edb/63°F ewb). All other indoor air temperatures are at 80°F edb.
EWB — Entering Wet Bulb.
11
Heat pump heating performance
OUTDOOR COIL ENTERING AIR TEMPERATURES °F
INDOOR
AIR
–3
Capacity
(MBtuh)
7
Total
Pwr
17
Capacity
(MBtuh)
Total
Pwr
Capacity
(MBtuh)
27
Total
Pwr
Capacity
(MBtuh)
37
Total
Pwr
Capacity
(MBtuh)
47
Total
Pwr
Capacity
(MBtuh)
57
Total
Pwr
67
Capacity
(MBtuh)
Total
Pwr
Capacity
(MBtuh)
Total
Pwr
EDB CFM Total Integ* Kw† Total Integ* Kw† Total Integ* Kw† Total Integ* Kw† Total Integ* Kw† Total Integ* Kw† Total Integ* Kw† Total Integ* Kw†
38YSA024-31 Outdoor Section With FK4CNF002 Indoor Section
65
70
75
630
700
805
630
700
805
630
700
805
9.00
9.04
9.09
8.89
8.94
8.99
8.78
8.82
8.87
8.28
8.32
8.37
8.18
8.22
8.27
8.08
8.11
8.16
1.62
1.65
1.68
1.69
1.71
1.74
1.76
1.78
1.81
11.4
11.4
11.5
11.2
11.3
11.3
11.1
11.1
11.2
10.4
10.5
10.6
10.3
10.4
10.4
10.2
10.2
10.3
1.65
1.66
1.68
1.72
1.73
1.75
1.80
1.80
1.82
14.0
14.1
14.3
13.8
13.9
14.0
13.6
13.7
13.8
12.8
12.9
13.0
12.6
12.7
12.8
12.4
12.5
12.6
1.70
1.70
1.70
1.78
1.77
1.77
1.86
1.85
1.85
17.0
17.1
17.3
16.7
16.9
17.1
16.5
16.6
16.8
15.1
15.2
15.4
14.9
15.0
15.2
14.6
14.8
14.9
1.77
1.75
1.74
1.85
1.83
1.82
1.94
1.92
1.90
20.3
20.5
20.8
20.0
20.9
20.5
19.8
20.0
20.2
18.5
18.7
18.9
18.2
19.0
18.7
18.0
18.2
18.4
1.84
1.81
1.79
1.93
1.91
1.87
2.03
1.99
1.96
24.1
24.3
24.6
23.7
24.0
24.3
23.4
23.7
24.0
24.1
24.3
24.6
23.7
24.0
24.3
23.4
23.7
24.0
1.92
1.88
1.84
2.02
1.98
1.93
2.12
2.07
2.03
28.2
28.5
28.8
27.8
28.1
28.5
27.4
27.7
28.1
28.2
28.5
28.8
27.8
28.1
28.5
27.4
27.7
28.1
2.00
1.95
1.89
2.11
2.05
1.99
2.22
2.16
2.10
32.6
33.0
33.4
32.2
32.5
33.0
31.7
32.1
32.6
32.6
33.0
33.4
32.2
32.5
33.0
31.7
32.1
32.6
2.09
2.02
1.95
2.20
2.13
2.05
2.32
2.25
2.17
Multipliers for Determining the Performance With Other Indoor Sections
Heating
Indoor
Section
Size
Capacity
Power
FK4CNF
001
1.00
1.01
002
1.00
1.00
1.00
0.99
003
Heating
Indoor
Section
Size
Capacity
Power
—
—
—
38YSA030-31 Outdoor Section With FK4CNF003 Indoor Section
788
875
1006
788
70 875
1006
788
75 875
1006
65
12.8
12.9
12.9
12.6
12.7
12.8
12.4
12.7
12.6
11.8
11.8
11.9
11.6
11.7
11.7
11.4
11.7
11.6
2.09
2.10
2.13
2.18
2.20
2.23
2.28
2.30
2.32
15.9
16.0
16.1
15.7
15.8
15.9
15.5
15.6
15.7
14.6
14.7
14.8
14.4
14.5
14.6
14.2
14.3
14.4
2.18
2.17
2.18
2.29
2.29
2.30
2.41
2.40
2.41
19.3
19.4
19.6
19.1
19.2
19.4
18.8
19.0
19.2
17.6
17.7
17.9
17.4
17.5
17.7
17.2
17.3
17.5
2.28
2.26
2.24
2.41
2.38
2.37
2.54
2.52
2.50
23.1
23.3
23.5
22.8
23.0
23.2
22.6
22.8
23.0
20.5
20.7
20.8
20.3
20.4
20.6
20.1
20.2
20.4
2.39
2.35
2.31
2.53
2.49
2.45
2.68
2.64
2.60
27.3
27.6
27.8
27.0
27.3
27.5
26.8
27.0
27.3
24.9
25.1
25.3
24.6
24.8
25.1
24.4
24.6
24.8
2.50
2.45
2.39
2.66
2.60
2.54
2.83
2.76
2.70
32.1
32.3
32.7
31.7
32.0
32.4
31.4
31.7
32.0
32.1
32.3
32.7
31.7
32.0
32.4
31.4
31.7
32.0
2.63
2.56
2.48
2.80
2.73
2.64
2.98
2.90
2.81
37.2
37.6
38.0
36.8
37.2
37.6
36.4
36.7
37.2
37.2
37.6
38.0
36.8
37.2
37.6
36.4
36.7
37.2
2.78
2.68
2.57
2.96
2.86
2.75
3.15
3.04
2.93
42.9
43.4
44.0
42.4
42.8
43.5
41.8
42.3
42.9
42.9
43.4
44.0
42.4
42.8
43.5
41.8
42.3
42.9
Multipliers for Determining the Performance With Other Indoor Sections
Size
Capacity
Power
FK4CNF
002
1.00
1.01
003
1.00
1.00
005
1.00
0.94
See notes on pg. 13.
12
Heating
Indoor
Section
Indoor
Section
Heating
Size
Capacity
Power
—
—
—
2.93
2.81
2.68
3.13
3.00
2.86
3.33
3.20
3.06
Heat pump heating performance continued
OUTDOOR COIL ENTERING AIR TEMPERATURES °F
INDOOR
AIR
–3
Capacity
(MBtuh)
7
Total
Pwr
17
Capacity
(MBtuh)
Total
Pwr
Capacity
(MBtuh)
27
Total
Pwr
Capacity
(MBtuh)
37
Total
Pwr
Capacity
(MBtuh)
47
Total
Pwr
Capacity
(MBtuh)
57
Total
Pwr
67
Capacity
(MBtuh)
Total
Pwr
Capacity
(MBtuh)
Total
Pwr
EDB CFM Total Integ* Kw† Total Integ* Kw† Total Integ* Kw† Total Integ* Kw† Total Integ* Kw† Total Integ* Kw† Total Integ* Kw† Total Integ* Kw†
38YSA036-31 Outdoor Section With FK4CNF005 Indoor Section
945
65 1050
1208
945
70 1050
1208
945
75 1050
1208
14.9
14.9
15.0
14.7
14.7
14.8
14.5
14.6
14.6
13.7
13.7
13.8
13.5
13.6
13.6
13.3
13.4
13.4
2.20
2.19
2.18
2.33
2.32
2.29
2.44
2.43
2.43
18.2
18.3
18.3
18.2
18.1
18.1
18.1
17.9
18.0
16.7
16.8
16.8
16.7
16.6
16.7
16.6
16.4
16.5
2.31
2.30
2.26
2.46
2.42
2.39
2.59
2.55
2.51
22.0
22.0
22.0
21.8
21.8
21.8
21.6
21.6
21.6
20.0
20.0
20.1
19.9
19.9
19.9
19.7
19.7
19.7
2.42
2.38
2.33
2.58
2.54
2.48
2.72
2.68
2.63
26.0
26.0
26.1
25.8
26.1
25.9
25.6
25.9
25.7
23.1
23.1
23.2
23.0
23.1
23.0
22.7
23.0
22.8
2.51
2.46
2.43
2.67
2.62
2.55
2.82
2.78
2.71
30.7
30.7
30.7
30.5
30.4
30.5
30.2
30.3
30.2
27.9
28.0
28.0
27.7
27.7
27.7
27.5
27.5
27.5
2.64
2.58
2.51
2.82
2.71
2.65
2.98
2.92
2.80
35.8
35.7
35.8
35.5
36.0
35.4
35.2
35.3
35.2
35.8
35.7
35.8
35.5
36.0
35.4
35.2
35.3
35.2
2.77
2.66
2.58
2.94
2.84
2.73
3.11
3.04
2.91
41.4
41.4
41.5
41.1
41.1
41.2
40.9
40.8
40.8
41.4
41.4
41.5
41.1
41.1
41.2
40.9
40.8
40.8
2.90
2.80
2.69
3.08
2.98
2.86
3.28
3.15
3.02
47.5
47.6
47.6
47.1
47.3
47.2
46.9
46.9
46.9
47.5
47.6
47.6
47.1
47.3
47.2
46.9
46.9
46.9
3.06
2.94
2.79
3.24
3.12
2.96
3.46
3.30
3.15
Multipliers for Determining the Performance With Other Indoor Sections
Heating
Heating
Indoor
Section
Size
Capacity
Power
Indoor
Section
Size
Capacity
Power
FK4CNB
006
0.98
0.93
FK4CNF
005
1.00
1.00
38YSA042-31 Outdoor Section With FK4CNB006 Indoor Section
65
70
75
1102
1225
1409
1102
1225
1409
1102
1225
1409
18.9
19.0
19.0
18.8
18.8
18.9
18.6
18.6
18.7
17.4
17.5
17.5
17.3
17.3
17.4
17.1
17.1
17.2
2.57
2.56
2.54
2.69
2.68
2.67
2.81
2.80
2.79
22.7
22.8
22.8
22.6
24.2
22.6
22.4
22.4
22.5
20.9
20.9
21.0
20.8
22.2
20.8
20.6
20.6
20.7
2.67
2.64
2.62
2.80
2.79
2.75
2.95
2.92
2.90
26.9
27.0
27.0
26.8
26.8
26.8
26.6
26.6
26.6
24.6
24.6
24.6
24.4
24.4
24.4
24.3
24.3
24.3
2.77
2.73
2.70
2.92
2.88
2.83
3.08
3.05
2.99
31.4
31.4
31.4
31.1
31.2
31.2
30.9
31.0
30.9
27.9
27.9
27.9
27.7
27.7
27.7
27.5
27.5
27.5
2.88
2.82
2.77
3.03
2.98
2.92
3.20
3.15
3.08
36.4
36.5
36.5
36.2
36.1
36.2
35.9
35.9
35.8
33.1
33.2
33.2
32.9
32.9
32.9
32.7
32.6
32.6
2.98
2.93
2.86
3.16
3.09
3.01
3.34
3.26
3.17
42.0
41.9
42.0
41.5
41.5
41.6
41.4
41.3
41.3
42.0
41.9
42.0
41.5
41.5
41.6
41.4
41.3
41.3
3.13
3.04
2.95
3.29
3.20
3.12
3.50
3.39
3.29
47.9
47.9
48.0
47.5
47.5
47.7
47.3
47.2
47.3
47.9
47.9
48.0
47.5
47.5
47.7
47.3
47.2
47.3
3.28
3.16
3.06
3.45
3.34
3.23
3.67
3.54
3.41
54.3
54.4
54.3
54.0
54.1
54.1
53.5
53.5
53.6
54.3
54.4
54.3
54.0
54.1
54.1
53.5
53.5
53.6
3.44
3.31
3.16
3.64
3.50
3.35
3.84
3.69
3.54
Multipliers for Determining the Performance With Other Indoor Sections
Heating
Heating
Indoor
Section
Size
Capacity
Power
Indoor
Section
Size
Capacity
Power
FC4BNB
054
1.01
1.07
FK4CNF
005
1.01
1.08
FK4CNB
006
1.00
1.00
—
—
—
38YSA048-31 Outdoor Section With FK4CNB006 Indoor Section
65
70
75
1260
1400
1610
1260
1400
1610
1260
1400
1610
19.5
19.6
19.7
19.3
19.4
19.5
19.1
19.2
19.3
18.0
18.0
18.1
17.8
17.8
17.9
17.6
17.7
17.7
2.91
2.89
2.87
3.06
3.05
3.02
3.22
3.21
3.19
24.2
24.3
25.2
24.0
25.2
24.1
23.8
25.2
23.9
22.2
22.3
23.1
22.1
23.2
22.2
21.9
23.2
22.0
3.07
3.04
3.00
3.25
3.24
3.18
3.43
3.42
3.36
29.6
29.6
29.7
29.4
29.4
29.4
29.1
29.2
29.2
27.0
27.0
27.0
26.8
26.8
26.8
26.6
26.6
26.7
3.25
3.21
3.13
3.45
3.39
3.33
3.64
3.59
3.54
35.6
35.5
35.5
35.3
35.2
35.3
35.0
35.1
35.0
31.6
31.5
31.6
31.3
31.3
31.4
31.1
31.1
31.1
3.45
3.33
3.27
3.65
3.55
3.49
3.87
3.81
3.69
42.5
42.5
42.4
42.1
42.2
42.2
42.0
41.8
41.8
38.6
38.7
38.6
38.3
38.4
38.4
38.2
38.1
38.1
3.61
3.53
3.39
3.83
3.77
3.64
4.12
3.97
3.85
50.3
50.4
50.3
50.0
50.0
50.0
49.6
49.5
49.5
50.3
50.4
50.3
50.0
50.0
50.0
49.6
49.5
49.5
3.83
3.72
3.55
4.10
3.96
3.80
4.35
4.19
4.03
59.3
59.2
59.3
58.8
58.8
58.8
58.5
58.4
58.5
59.3
59.2
59.3
58.8
58.8
58.8
58.5
58.4
58.5
4.09
3.91
3.73
4.35
4.17
3.97
4.64
4.44
4.25
69.0
69.0
68.9
68.5
68.6
68.7
68.1
68.0
67.9
69.0
69.0
68.9
68.5
68.6
68.7
68.1
68.0
67.9
4.36
4.14
3.90
4.64
4.43
4.18
4.94
4.70
4.42
Multipliers for Determining the Performance With Other Indoor Sections
Heating
Heating
Indoor
Section
Size
Capacity
Power
Indoor
Section
Size
Capacity
Power
FK4BNB
054
1.00
1.04
FK4CNF
005
1.00
1.13
FK4CNB
006
1.00
1.00
—
—
—
* The Btuh heating capacity values shown are net ‘‘integrated’’ values from which the defrost effect has been subtracted. The Btuh heating from
supplement heaters should be added to those values to obtain total system capacity.
† The kw values include the compressor, outdoor fan motor, and indoor blower motor. The kw from supplement heaters should be added to these
values to obtain total system kilowatts.
EDB — Entering Dry Bulb.
13
Matched system
HEAT PUMP
COMFORT VENTILATOR
COMFORT ZONE II
CONTROL CENTER
HUMIDIFIER
FAN COIL
AIR CLEANER
A97114
14
System Design
1.
2.
3.
4.
5.
6.
7.
Intended for outdoor installation with free air inlet and outlet. Outdoor fan external static pressure available is less than 0.01-in. wc.
Minimum outdoor operating air temperature for cooling mode without low-ambient operation accessory is 55°F (12.8°C).
Maximum outdoor operating air temperature for cooling mode is 125°F (51.7°C).
Minimum outdoor operating air temperature for heating mode is –30°F (–34.4°C).
Maximum outdoor operating air temperature for heating mode is 66°F (18.9°C).
For reliable operation, unit should be level in all horizontal planes.
Maximum elevation of indoor coil above or below base of outdoor unit is: indoor coil above = 50 ft, indoor coil below = 150 ft. (See items 8 and 9
following.)
8. For interconnecting refrigerant tube lengths greater than 50 ft, consult Residential Split System Long-Line Application Guideline available from
equipment distributor.
9. Not more than 36 in. of refrigerant tube should be buried in the ground. If necessary to bury tubes under a sidewalk, provide a minimum 6-in. vertical
rise to the valve connections at the unit. For buried refrigerant tube lengths from 3 to 100 ft, consult Residential Split System Buried Line Application
Guideline.
10. Use only copper wire for electric connection at unit. Aluminum and clad aluminum are not acceptable for the type of connector provided.
15
SERVICE TRAINING
Packaged Service Training programs are an excellent way to increase your
knowledge of the equipment discussed in this manual, including:
• Unit Familiarization
• Maintenance
• Installation Overview
• Operating Sequence
A large selection of product, theory, and skills programs is available, using popular
video-based formats and materials. All include video and/or slides, plus companion
book.
Classroom Service Training plus "hands-on" the products in our labs can mean
increased confidence that really pays dividends in faster troubleshooting, fewer
callbacks. Course descriptions and schedules are in our catalog.
CALL FOR FREE CATALOG 1-800-962-9212
[ ] Packaged Service Training
[ ] Classroom Service Training
A94328
Carrier Corporation • Indianapolis, IN 46231
5-97
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book
1
Tab
5a 5a
4
Page 16
Catalog No. 523-859
Printed in U.S.A.
PC 101
Form 38YSA-2PD
Replaces: 38YSA-1PD