GE Profile PSF26PGWBB Technical Service Manual page 59

Pin Wire Color
1 Black
2 Red
3 Blue
J5 Connector (Low-Voltage DC Side)
Pin Wire Color
ExpressChill ™ (CustomCool ™ )
1 Pink
ExpressChill ™ (CustomCool ™ )
2 Yellow
ExpressChill ™ (CustomCool ™ )
3 Brown
ExpressChill ™ (CustomCool ™ )
4 Yellow/Black
5 White Thermistor supply voltage (5 VDC)
6 White CustomCool ™ thermistor
Pin Wire Color
1 Red
2 White
Main Control Board
J4 Connector (Low-Voltage DC Side)
Component
Termination
Temperature control
Temperature control
Temperature control
Evaporator Fan (RPM)
Custom Cool Dual Damper +
Custom Cool Dual Damper -
Custom Cool Single Damper +
Custom Cool Single Damper -
Custom Cool Thermistor
Main Control Board
Component
Termination
damper
damper
damper
damper
Main Control Board
J15 Connector (Low-Voltage DC Side)
Component
Termination
Compressor inverter
Compressor inverter
– 59 –
Input/
Output
Communication
Output
Common
J4
Comm. 2-Way Digital
1
Comm. +12V
Comm. Common
5
J15
Inverter Common
Inverter Output
1 J3
(Not Used for
Beverage Center Fan
1
AC Compressor)
J2 Quick Freeze Fan
1
Model Selector
3-Way Valve - Gray & White
Fan Common
Evaporator Fan 3-Way Valve - Black
3-Way Valve - Yellow
Condenser Fan
3-Way Valve - Red
Fresh Food Fan
3-Way Valve - Orange
10
Custom Cool Fan
Fan +12V 8
J1
FF Evaporator Thermistor
1
J5
FF Thermistor
1
FZ Thermistor
FZ Evaporator Thermistor
+5V
Model Selector
+5V
Model Selector
6
Model Selector
9 Model Selector
Input/
Pin-to-Pin Voltage Reading
Output
Input/ J5 pin 1 to pin 2 = 12 VDC
Output (reversing polarity)
Input/ J5 pin 2 to pin 1 = 12 VDC
Output (reversing polarity)
J5 pin 3 to pin 4 = 12 VDC
Input/
(reversing polarity), if equipped
Output
with dual damper
J5 pin 4 to pin 3 = 12 VDC
Input/
(reversing polarity), if equipped
Output
with dual dampers
Output J5 pin 5 to J2 pin 3 = 5 VDC
Input N/A
Input/
Pin-to-Pin Voltage Reading
Output
Output J 15 pin 1 to J15 pin 2 = 4 to 6 VDC
Output J 15 pin 2 to J15 pin 1 = 4 to 6 VDC
Pin-to-Pin Voltage Reading
2-way digital communication
J4 pin 2 to pin 3 = 12 VDC
J4 pin 2 to pin 3 = 12 VDC
(Continued next page)