Sinclair SCV-750EB Service Manual page 60

Label
2.7 Slave PCB Board
For SCV-750EB and SCV-1400EB only:
Label Code
1 CN140
2 CN115
3 CN125
4 CN123
5 CN121
6 CN119
7 CN108
8 CN110
9 CN138
10 CN114 WATER-SWITCH
11 CN105
12 CN101
13 CN103
14 CN300
15 CN109
58
Code Port
1 CN26
2 CN27
Port
POWER Slave PCB board strong power supply
W-HEAT Water pipe electric heating belt
Three-way valve for making hot water (used for customized hot
3-way valve
water models)
PUMP Port for water pump contactor control (for market installation)
COMP-STATE Compressor Status Indication
HEAT1 Pipe auxiliary motor heating belt
PUMP-V Frequency conversion pump 0-10V control signal
W.P-SW Water pressure difference switch
TEMP-SW Target water temperature switch
COOl/HEAT Remote mode control
ON/OFF Remote switch control
Water flow switch
Taf1 Water tank anti-freeze sensor
TW Total water sensor
T5 Water tank sensor
DEBUG Main control program burn port (WizPro200RS programmer)
MS Communication port of slave PCB board and main PCB board
Explanation
For connecting compressor module board
For connecting compressor module board
Explanation
Voltage
/
/
Voltage
220-240V
220-240V
220-240V
220-240V
/
/
DC 0-10V
DC12V
DC12V
DC12V
DC12V
DC12V
DC3.3V
DC3.3V
DC3.3V
DC3.3V
DC12V/DC3.3V