Operators Manual Operators Manual Model 9805

Operators Manual Operators Manual Model 9805
Operators Manual
Model 9805
Large Volume
Refrigerated Open Bath
Microprocessor Controller Digital Set & Read
with High Flow Centrifugal Pump
110-085
4/6/11
Table of Contents
Section 1 -
Section 2 -
Section 3 -
Section 4 -
Section 5 -
General Information
1.1
Warranty
1.2
Unpacking
1.3
Package Contents
1.4
Description
1.5
Specifications
Operation
2.1
Set Up & Location
2.2
Reservoir Fluids
2.3
Reservoir Drain
2.4
Power
2.5.1
Selecting the Temperature Unit (°C or °F)
2.5.2
Displaying and Adjusting the Set Point
2.5.3
Pressure / Flow Rate Display and Units (N/A)
2.6
Setting Operational Parameters
2.7
Display, Alarm, and Error Messages
2.8
Enabling/Disabling the Local Lockout
Maintenance and Calibration
3.1
Condenser, Reusable Filter
3.2
Temperature Calibration
Troubleshooting
4.1
Unit Will Not Operate (No Cooling or Pumping)
4.2
No Pumping
4.3
Insufficient Pumping
4.4
No Cooling or Insufficient Cooling
4.5
Triac Failure “Ft 10”
4.6
Internal Probe Failure “Ft 11”
Service and Technical Support
5.1
Electrical Wiring Diagram
2
Section 1 - General Information
1.1
Warranty
Thank you for your purchase, we are confident it will serve you for a long time. Our warranty to you
is as follows:
The manufacturer agrees to correct for the original user of this product, either by repair, or at the
manufacturer’s election, by replacement, any defect which develops after delivery of this product
within the period as stated on the warranty card. In the event of replacement, the replacement
unit will be warranted for 90 days or warranted for the remainder of the original unit’s parts or labor
warranty period, whichever is longer.
If this product should require service, contact the manufacturer/suppliers’ office for instructions.
When return of the product is necessary, a return authorization number will be assigned and the
product should be shipped, transportation charges pre-paid, to the indicated service center. To
insure prompt handling, the return authorization number should be placed on the outside of the
package and a detailed explanation of the defect enclosed with the item.
This warranty shall not apply if the defect or malfunction was caused by accident, neglect,
unreasonable use, improper service, or other causes not arising out of defects in material or
workmanship. There are no warranties, expressed or implied, including, but not limited to, those of
merchantability or fitness for a particular purpose which extends beyond the description and period
set forth herein. The manufacturer’s sole obligation under this warranty is limited to the repair or
replacement of a defective product and the manufacturer shall not, in any event, be liable for any
incidental or consequential damages of any kind resulting from use or possession of this product.
"Warranty applies only to the original enduser and cannot be transferred or sold to another end
user without written consent from the manufacturer."
Some states do not allow: (A) limitations on how long an implied warranty lasts or (B) the exclusion or
limitation of incidental or consequential damages, so the above limitations or exclusions may not
apply to you. This warranty gives you specific legal rights. You may also have other rights which
vary from state to state.
1.2
Unpacking
Your circulating bath is shipped in a special crate. Retain the crate and all packing materials until
the unit is completely assembled and working properly. Set up and run the unit immediately to
confirm proper operation. Beyond one week, your unit may be warranty repaired, but not
replaced. If the unit is damaged or does not operate properly, contact the transportation
company, file a damage claim, then contact the company where your unit was purchased.
1.3
Package Contents
– Open Refrigerated Circulating Bath
– Operators Manual
– Warranty Card
1.4
Description
This bath provides open bath cooling power for applications which require a large reservoir. All
models have a microprocessor controller, digital set/read and readout in °C or °F. The refrigeration
system has modulation capability to provide cooling as needed and thus greater temperature
stability and longer compressor life. Wettable parts are brass, copper, polypropylene, PVC and
stainless steel. Refer to the serial number plate on rear of the bath for model and electrical data.
3
1.5
Specifications
Refer to the serial number plate on rear of the bath for electrical data.
Model 9805
Specification
Compressor
1 HP
Temperature Range
–10° to 60°C
Temperature Setability
0.1°C
Temperature Stability
±0.5°C
Overall Dimensions
in.
44 x 301/2 x 371/2
(w x l x h)
cm
111.8 x 77.5 x 95.3
Reservoir Capacity
50 gal / 189 Liters
Reservoir Dimensions
in
32 x 22 x 16
(w x l x h)
cm
81.5 x 55.8 x 44.5
Heater
2200 Watts
0°C
940 Watts
Cooling Capacity @
10°C
1925 Watts
20°C
2850 Watts
Pump Flow
4.3 gpm / 16.3lpm
Electrical Specifications
208-230V, 1ph, 15A
Section 2 - Operation
Before proceeding, be sure all power controls are off.
2.1
Set Up & Location
Locate the bath on a strong, level surface. Position the bath for unobstructed air flow through the
front and rear screens. Avoid voltage drops by using properly grounded power outlets wired with 14
gauge or larger diameter wire. If possible, be close to the power distribution panel. Minimize low
line voltage problems by eliminating the use of extension cords.
2.2
Reservoir Fluids
Use a fluid in the bath that will flow freely. For most applications above +15°C, distilled water is
satisfactory. Do not use hard tap water or extremely pure deionized water which may promote
corrosion of the stainless steel reservoir.
Laboratory grade ethylene glycol & water (50/50) must be used for applications from +15° to –15°C.
This bath, its internal components, and the fluid must be protected from freezing starting at +15°C.
To optimize temperature stability (when operating at low temperatures and high room temperature
conditions, or when using the bath at elevated temperatures) it is recommended blanketing the
fluid with floating polyethylene balls (Cat. No. 060301). The balls provide an insulating barrier over
the surface and are easily pushed aside to access immersed samples.
Only use fluids that will satisfy safety, health and equipment compatibility requirements. Caustic,
corrosive or flammable liquids must not be used.
WARNING: Do not use a flammable fluid as a fire hazard may result.
You are responsible for proper selection and use of the fluids.
Extreme range operation should be avoided.
4
Stay within the fluid’s normal range for best temperature stability, low vaporization, and safety.
SPECIFIC HEAT
FLUID DESCRIPTION
NORMAL RANGE
EXTREME RANGE
@25°C
Water
1.00
10°C to 90°C
2°C to 100°C
Ethylene Glycol 30% / Water 70%
.90
0°C to 95°C
-15°C to 107°C
Ethylene Glycol 50% / Water 50%
.82
-25°C to 100°C
-35°C to 115°C
Ethylene Glycol 100%
.62
50°C to 120°C
-35°C to 125°C
Methanol 60% / Water 40%
.52
-45°C to 0°C
––
Dynalene™-HC 50
.76
-50°C to 60C°
-62°C to 60°C
DC200 5 cs Silicone Oil
.32
-35°C to 65°C
-50°C to 125°C*
DC200 10 cs Silicone Oil
.34
-20°C to 80°C
-35°C to 165°C*
DC200 20 cs Silicone Oil
.36
0°C to 100°C
-10°C to 230°C*
*WARNING - Fluid’s flashpoint temperature.
DC fluids are manufactured by Dow Corning.
DO NOT use the following fluids:
1. Automotive antifreeze with additives
2. Hard tap water
3. Deionized water with a resistance > 1 meg ohm
4. Any flammable fluids
2.3
5. Concentrations of acid or bases
6. Bleach (Sodium Hypochlorite)
7. Solutions with chromates or chromium salts
8. Solutions with halides: chlorides, fluorides,
bromides, iodides or sulfur
Reservoir Drain
For easy cleaning, there is a reservoir drain at the rear of the unit. The drain cap has a button-like
seal to prevent leakage, part # 300-235. Replace the seal if leakage occurs. The drain outlet size is
standard refrigeration 1/4 inch SAE. The pipe thread is 7/16 inch diameter with 20 threads per inch.
2.4
Power
After attaching the removable line cord to the back of the unit, plug the cord into a properly wired,
grounded outlet with the same voltage and frequency indicated on the identification label on the
back of the unit.
The power supply must be single phase, 208-230V. The circuit breaker on the rear of the unit must
be ON. With the power button on the control panel OFF, but with the bath plugged in, the display
responds by showing standby (....). If there is no response, verify the circuit breaker on the rear of
the unit is in the ON position.
Use of an extension cord is not recommended. If necessary, use an extension cord that is properly
grounded and will handle the total wattage of the unit. The extension cord should not cause a
voltage drop to the bath.
Warning! When refrigeration is switched off, it should not be restarted for approximately 10
minutes in order to
to allow the internal pressures to equalize. System damage could result if you
do not observe this waiting period.
period
NOTE: The Chiller incorporates a special lockout “LLO” feature that can be enabled to
prevent unauthorized or accidental changes to set point and other operational values. This
feature is described in detail in Section 2.8. It should not be enabled until all operational
parameters are set.
5
2.5.1
Selecting the Temperature Unit (°C or °F)
The LEDs adjacent to the Temperature Display indicate the unit (°C or °F) used for temperature
displays. To change from °C to °F or vice versa, proceed as follows:
To change to °F — Place the Circuit Breaker/Power Switch on the rear of the instrument in the
“Off” position. Press and hold the Units/Menu Select Button while returning the Circuit
Breaker/Power Switch to the “On” position.
To change to °C — Place the Circuit Breaker/Power Switch on the rear of the instrument in the
“Off” position. Press and hold the Power Button on the front panel while returning the Circuit
Breaker/Power Switch to the “On” position.
IMPORTANT: All user settings, except baud rate and calibration offset, return to the original factory
defaults when the unit in which temperature is displayed is changed. The Chiller’s temperature set
point and various alarm settings should be reset to the desired values.
2.5.2
Displaying and Adjusting the Set Point
Press the Select/Set Knob on the front panel. The current set point temperature will be displayed
and the decimal point at the bottom right of the display will flash, indicating the temperature can
be changed.
Rotate the Select/Set Knob until the desired set point temperature is displayed. The setting is
accepted after either pressing the Select/Set Knob a second time or will be accepted
automatically after a few seconds of inactivity.
2.5.3
Pressure / Flow Rate Display and Units (Not available – no sensors on this model)
6
2.6
Setting Operational Parameters
The Chiller’s various operational parameters, such as temperature, flow rate, and pressure alarm
values, are all user-adjustable. They are accessed by pressing and holding the Units/Menu Button
until HL appears on the pressure/flow rate display. Pressing and releasing the Units/Menu Button
once HL appears allows you to scroll through the various parameters; rotating the Select/Set Knob
allows you to change the displayed setting. You can accept the displayed value by either pressing
the Select/Set Knob or allowing the display to timeout.
Menu Item
HL
LL
HA
Description
High Temperature
Limit Alarm Set Point
Low Temperature Limit
Alarm Set Point
Front Panel High
Ambient Temperature
Alarm Set Point
Choices / Ranges / Comments
+20° to 72°C / 68° to 162°F
50ºC
-14°C to +15°C / 7° to 59°F (all units)
0.0ºC
+30° to 45°C.
Always displayed and set in °C.
45ºC
FP
FP
FL
FL
Sd
AF
N/A
Auto-Refrigeration
Temperature Set Point
Rp
c1
Internal Probe
Calibration Offset
+20° to 50°C
Always displayed/set in °C.
N/A
±2.9°C. Always displayed/set in °C.
c2
Fc
PC
Ct
Default
Setting
35ºC
0.0ºC
N/A
Chiller Type
0 – 15 Factory Set
Fb
02
N/A
2.6.1
2.6.1.1 High Temperature Limit (HL)
This menu item serves two functions. First, it establishes the maximum allowable set point
temperature and thus helps prevent an operator from inadvertently setting the temperature set
point above a pre-established temperature. Secondly, it serves as a high temperature alarm,
automatically activating both audio and visual alarm indicators when the measured fluid
temperature reaches the HL setting. The compressor, heater, fan, and pump will also turn off.
To change the high limit value, rotate the Select/Set Knob until the desired high limit value is
displayed on the temperature display.
HL
35.0
2.6.
2.6.1.2 Low Temperature
Temperature Limit (LL)
This menu item also serves a dual function. First, it establishes the minimum allowable set point
temperature and thus helps prevent an operator from inadvertently setting the temperature set
point below a pre-established temperature. Secondly, it serves as a low temperature alarm,
automatically activating both audio and visual alarm indicators when the measured fluid
temperature drops to the LL setting. The compressor, heater, fan, and pump will also turn off.
To change the low limit value, rotate the Select/Set Knob until the desired low limit value is displayed
on the temperature display.
LL
0.0
7
2.6.1
2.6.1.3 High Ambient
Ambient Temperature Limit (HA)
This menu item protects the Chiller from overheating due to a high ambient temperature. Should
the ambient temperature rise above the limit value, the audio and visual alarms will activate and
the compressor, heater, fan, and pump will turn off.
To change the high ambient temperature value, rotate the Select/Set Knob until the desired high
ambient temperature limit value is displayed on the temperature readout.
NOTE: This value is always displayed/set in °C.
HA
45
2.6.1
2.6.1.4 Maximum Fluid Pressure (FP) N/A No Sensors on this model
This is the maximum allowable fluid pressure and can be set in either PSI or kPa (the LED adjacent to
the display indicates the active unit of measure). Should the fluid pressure rise above the maximum
fluid pressure value, the audio and visual alarms will activate and the compressor, heater, fan, and
pump will turn off.
FP
80
2.6.2.5 Mini
Minimum
mum Flow Rate (FL) N/A No Sensors on this model
This is the minimum allowable flow rate and can be set in either GPM or LPM (the LED adjacent to
the display indicates the active unit of measure). Should the fluid flow rate drop below the minimum
flow rate value, the audio and visual alarms will activate and the compressor, heater, fan, and
pump will turn off.
FL
0.0
2.6.2.6 Maximum External
External / Internal Temperature Differential (Sd) N/A Not available for this model
5.0
Sd
2.6.2.7 Auto
Auto--Refrigeration Temperature (AF)
This menu item allows you to select the temperature at which refrigeration is activated. To change
the displayed value, rotate the Select/Set Knob until the desired auto-refrigeration temperature is
displayed.
NOTE: This value is always displayed/set in °C.
35.0
AF
2.6.2.8 Remote Probe (rP) N/A Not available for this model
rP
NO
8
2.6.2.9 Internal Calibration Offset (C1)
This menu item allows you to adjust the Chiller’s internal temperature reading to match that of a
traceable standard. It allows you to offset the displayed temperature value by as much as ±2.9°C.
NOTE: Calibration offset values are always set and displayed in °C. To prevent the operator from
accidentally changing the calibration offset, a special sequence of keystrokes is required to access
this function.
Press and hold the Units/Menu Button until HL appears on the display.
Press and release the Units/Menu Button until rP appears on the display.
Press and hold the Units/Menu Button.
While holding the Units/Menu Button, press and release the Select/Set Knob.
When CAL appears on the temperature readout, release the Units/Menu Button. The current
calibration offset value will appear on the temperature readout.
Rotate the Select/Set Knob until the desired calibration offset is displayed. Press the Select/Set Knob
or simply allow the display to time out to accept the displayed value.
C1
0.0
2.6.2.10 External Calibration Offset (C2)
C2
0.0
2.6.2.11 Flow Rate Calibration (F c ) N/A Not available for this model
Fc
1.0
2.6.2.12 Baud Rate (PC) N/A Not available for this model
96
PC
2.6.2.13 Chiller Type (Ct)
This menu item allows you to view the current chiller model and will be a value from 0 – 15. This is a
factory setting and cannot be changed, but it does provide very useful information for
troubleshooting.
Ct
__
2.6.2.14 Fuse Bit (Fb) N/A Not available for this model
Fb
h_ _
9
2.7
Display, Alarm, and Error Messages
When certain conditions are detected, a message code flashes on the display and the local audio
alarm sounds. Depending on the nature of the condition, power to various systems components,
such as the compressor, heater, fan, and pump, is removed. When condition is rectified, push front
panel Power button or turn circuit breaker off then on to clear the fault or error.
Message
Code
Description
Action Required
EAF
N/A
Rear panel high
ambient temperature
Warning - The ambient temperature is higher
than the set ambient limit.
Lower ambient temperature.
EC
N/A
External remote control
active, Chiller in
standby (for units with
remote control by 12
VDC option)
Normal — Unit idle until remotely activated.
EFL
N/A
Low fluid level warning /
alarm (for units with
optional float switch)
EHA
Front panel high
ambient temperature
warning.
EHL
High temperature set
point warning
ELL
Low temperature set
point warning
LLO
Local Lockout
CAn
Cancel Local Lockout
LO-H2O
No fluid flow and no
fluid pressure
Warning/Alarm — Fluid level is too low. An alarm
will sound once every 8 seconds for 5
occurrences. If the fluid level has not been
raised 8 seconds after the fifth alarm, the unit will
shut down.
Warning - The ambient temperature is higher
than the set ambient limit.
Lower ambient temperature or raise
temperature limit.
Warning — The temperature set point is higher
than the high temperature limit value. If not
corrected, the high temperature limit alarm will
be activated when fluid temperature rises above
established the HL value.
Lower temperature set point or increase high
temperature limit value.
Warning — The temperature set point is lower
than the low temperature limit value. If not
corrected, the low temperature limit alarm will
be activated when fluid temperature falls below
the established LL value.
Increase temperature set point or decrease low
temperature limit value.
Normal — Indicates that Local Lockout feature
(see Section 2.8) is enabled. Appears
momentarily when Select/Set Knob is pressed to
view/change set point value.
Normal — Indicates the Local Lockout feature
(see Section 2.8) has been disabled. Appears
momentarily when Local Lockout status is
changed from enabled (LLO) to disabled.
Warning — Indicates that the Chiller did not
detect any fluid flow or pressure upon startup.
Unit will normally run after 5 minutes after power
on.
10
Fault Codes “Ft”
Message
Code
01
Description
Factory Reserved
02
Low limit temperature alarm
03
High limit temperature alarm
04
Over-temperature protection alarm
05
Low liquid level alarm
N/A
06
High bath temperature alarm
07
Low flow alarm
N/A
08
High pressure alarm
N/A
09
System fault
10
Electronic power component fault (Triac)
11
Internal probe fault
12
External temperature probe fault
N/A
13
Communications fault
14
ADC fault, internal probe
15
ADC fault, external probe N/A
16
Front panel high ambient temperature
alarm
17
Rear panel high ambient temperature
alarm
N/A
Action Required
None.
Alarm — Process fluid temperature has dropped to low temperature limit
value. Compressor, heater, fan, and pump turned off.
Increase heat load on Chiller or decrease low temperature limit value.
Alarm — Process fluid temperature has reached high temperature limit
value. Compressor, heater, fan, and pump turned off.
Decrease heat load on Chiller or increase high temperature limit value.
Alarm — Process fluid temperature is above Chiller’s factory set high
temperature safety cutoff. Power to compressor, heater, and fan turned
off; pump remains on. Lower process temperature. Reset OTP thermostat,
push red button on right side of unit.
Delayed Alarm — Activated when the liquid level in the reservoir falls
below an acceptable level for 30 seconds of longer. Compressor, heater,
fan, and pump turned off.
Add fluid to reservoir.
Alarm — Fluid temperature has exceeded 82°C (180°F). Compressor,
heater, fan, and pump turned off.
Lower fluid temperature.
Delayed Alarm — Flow rate has dropped below minimum flow rate
setting for 30 seconds. Power to compressor, heater, fan, and pump
turned off.
Correct cause of low flow rate or decrease minimum flow rate setting.
Delayed Alarm — Activated when fluid outlet pressure has exceeded
high-pressure limit value for 30 seconds. Compressor, heater, fan, and
pump turned off.
Decrease outlet pressure by removing blockage or increase high-pressure
limit value.
Fault — Power to compressor, heater, fan, and pump turned off. Contact
service representative for corrective action.
Fault — Power to compressor, heater, fan, and pump turned off. Contact
supplier.
Fault — Faulty temperature probe. Power to compressor, heater, fan, and
pump turned off. Contact supplier.
Fault — Faulty external temperature probe. Power to compressor, heater,
fan, and pump turned off. Replace ambient tracking probe or operate
instrument using internal temperature probe. Contact supplier if fault
persists.
Fault — Internal electronics failure. Power to compressor, heater, fan, and
pump turned off. Contact supplier.
Fault — ADC for internal probe faulty. Power to compressor, heater, fan,
and pump turned off. Contact supplier.
Fault — ADC for external probe faulty. Power to compressor, heater, fan,
and pump turned off. Contact supplier.
Alarm — Ambient temperature at front panel is higher than high ambient
temperature limit. Compressor, heater, fan, and pump turned off. Occurs
when the ambient temperature exceeds the set ambient limit by 5ºC or
more.
Lower temperature in area in which Chiller is located or increase high
ambient temperature limit value. See “High Ambient Temperature Limit”
Section.
Alarm — Ambient temperature at rear panel is higher than high ambient
temperature limit. Compressor, heater, fan, and pump turned off. Occurs
when the ambient temperature exceeds the ambient limit.
Lower temperature in area in which Chiller is located.
Temperature limit is not adjustable.
11
2.8
2.8
Enabling/Disabling the Local Lockout
This feature is used to prevent unauthorized or accidental changes to set point and other
operational values. When enabled, the values for the functions described in Sections 4.1, 4.2, 4.3,
and 4.5 can be displayed, but not changed.
To enable the local lockout, press and hold the Select/Set Knob until LLO is displayed
(approximately 5 seconds). Once enabled, LLO will appear momentarily when the Select/Set Knob
is pressed to display the set point.
To disable the local lockout, press and hold the Select/Set knob until CAn appears momentarily as
local lockout status changes from enabled (LLO) to disabled (approximately 5 seconds).
Section 3 - Maintenance and Calibration
The Chiller is designed to require a minimum of periodic maintenance.
3.1
Condenser, Reusable Filter
To keep the system operating at optimum cooling capacity, the condenser, the air vents, and
reusable filter should be kept free of dust and dirt. They should be checked on a scheduled basis
and cleaned as required.
The reusable filter is easily accessed from either the front of the unit. Use a mild detergent and
water solution to wash off any accumulated dust and dirt and then rinse and dry thoroughly before
reinstalling.
3.2
Temperature Calibration
At times, there may be a minor temperature difference between the Chiller’s displayed
temperature and the actual temperature as determined by a certified temperature measurement
device. There may also be situations where you want the displayed temperature to match a
particular value to have standardization between different instruments. These adjustments can be
performed using the Chiller’s temperature calibration offset functions. See Section 2.6.2.9 Internal
Calibration Offset (C1)
Section
Section 4 – Troubleshooting
WARNING: Refer servicing to qualified service personnel. When power is on,
dangerous voltages exist within chassis components. Use extreme care when
measuring voltages on live circuits.
4.1
Unit Will Not Operate (no cooling or pumping)
• Check that the power cord is plugged in to an operating electrical outlet.
• Check that the Circuit Breaker/Power Switch is ON.
• Check that the front panel Power Switch is ON.
4.2
No Pumping
• Check the fluid level in the whole system to make sure the pump is receiving fluid.
• Check if the pump motor is operating.
• Check for blockage within the circulating system.
4.3
Insufficient Pumping
• Check for low line voltage.
• Check for too small of a hose diameter.
• Check for too high of a fluid viscosity.
• Check for restrictions in the connecting tubing.
12
4.4
4.5
4.6
No Cooling or Insufficient Cooling
• Check for low or high line voltage.
• Check for blocked airflow through ventilation screens.
• Check ambient air temperature. High air temperature may cause the refrigeration compressor
to temporarily shut down.
• Check for excessive heat being transferred to the cooling fluid liquid as this may exceed the
cooling capacity of the refrigeration system.
Triac Failure “Ft 10”
• Triac fault message appears on the display, indicating that the triac has failed or the line supply
voltage has a source of extreme interference from other equipment. Plug the unit into another
power source. If it still displays triac failure, a triac or triac driver needs replacement.
Internal Probe Failure “Ft 11”
• The Internal Probe failure message appears on the display, indicating that the internal probe has
failed or there is a problem with the circuitry reading the probe signal. Contact supplier.
Section 5 - Service and Technical Support
If you have followed the troubleshooting steps outlined in Section 6 and your Chiller still fails to
operate properly, contact the supplier from whom the unit was purchased. Have the following
information available for the customer service person:
— Model, Serial Number, and Voltage (from back panel label)
— Date of purchase and purchase order number
— Supplier’s order number or invoice number
A summary of the problem
13
Electrical Wiring Diagram
L
CH ILL ER C ONT ROL PC B, 5 00 -2 51
COD E T 2-32 2 (MODEL SEL ECT = CT SET "0 2")
BLK P1
GRN/YEL
5.1
3
E
WHT
WHT
N
IEC
BLK
P2
4
CIRCUIT
BREAKER/SWITCH
1
GND 1
PCB-RCS OR PCBRCV
2
1
2
PCB-RCV
PCB-RS 232
PCB-DAC
PCB-RJ45
1
2
3
PCB-PWR
4
1
2
3
5
GRN/YEL
GND 2
1
PCB-HIT
1
OVER TEMP
PROTECTION
2
PCB-PRK
1
HEATER
2
C OM P R ES S OR
H IGH S ID E
TE M P E R ATU R E
LM35
2
3
PCB-OTP
PCB-HTR
2
1
BLK
BLK
SOLENOID VALVE
1
2
3
PCB-HEF
FAN
PCB-FAN
1
2
3
1
2
BRN
WHT
M
PCB-FPS
GRN/YEL
TEMP SENSOR
1
2
3
4
GND 2
COMPRESSOR
PCB-ITS/T1
PCB-CMP
1
2
BLK
BLK
GRN/YEL
GND 2
1
2
PCB-T2
3
4
1
PCB-PMP
2
M
GRN/YEL
1
2
GND 2
PCB-FLW
3 2 1
PCB-STA
1
2
PCB-DAF2
CONTROL PCB
PUMP MOTOR
BLU
BRN
GRN/YEL
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