Sinclair SCV-1400EB, Service Manual

Page: 49 / 160

47
5 CN75/CN66 EVA-HEAT Plate heat exchanger electric heating belt 220-240V
6 CN48 ST1 Four-way valve 220-240V
7 CN47 SV6 One-way solenoid valve 220-240V
8 CN49 SV5 One-way solenoid valve 220-240V
9 CN84 SV8A One-way solenoid valve 220-240V
10 CN83 SV8B One-way solenoid valve 220-240V
11 CN93 ALARM Fault alarm port
/
12 CN65 USB USB program burning port DC5V
13 CN28 PH-PRO Three-phase protector signal detection port DC12V
14 CN22 XYE
External unit parallel connection communication port &
external unit and wired controller communication port
DC5V
15 CN46 Wired controller power supply port DC12V
16 CN26 O-Motor
Module board PTC relay control port/Module board
communication port
DC12V/DC5V
17 CN300 DEBUG
Main control program burn port(WizPro200RS
programmer)
DC3.3V
18 CN33 MS Expanding board communication port DC12V/DC5V
19 CN41 Low pressure sensor DC3.3V
20 CN40 High pressure sensor DC3.3V
21 CN45 Taf2 Water side antifreeze temperature sensor DC3.3V
22 CN37 T3A Pipe temperature sensor of the condenser DC3.3V
23 CN30 T4 Outdoor ambient temperature sensor DC3.3V
24 CN16 T3B Pipe temperature sensor of the condenser DC3.3V
25 CN38 TP2 DC inverter compressor B discharge temperature sensor DC3.3V
26 CN27 TP-PRO Discharge temperature controller DC3.3V
27 CN42 L-PRO Low pressure switch DC3.3V
28 CN8
T6A Refrigerant inlet temperature of EVI plate heat exchanger DC3.3V
T6B
Refrigerant outlet temperature of EVI plate heat
exchanger
DC3.3V
29 CN4
Twi Unit water inlet temperature sensor DC3.3V
Th System suction temperature sensor DC3.3V
Two Unit water outlet temperature sensor DC3.3V
Tz/7 Coil final outlet temperature sensor DC3.3V
Tp1 DC inverter compressor A discharge temperature sensor DC3.3V
30 CN72 EXVC Electronic expansion valve A DC12V
31 CN70 EXVA Electronic expansion valve B DC12V
32 CN71 EXVB Electronic expansion valve C DC12V
33
SW3 UP Up button DC3.3V
SW4 DOWM Down button DC3.3V
SW5 MENU Menu button DC3.3V
SW6 OK Confirm button DC3.3V
34 DSP1/DSP2 Digital tube DC3.3V
35 ENC1 ADDRESS DIP switch DC3.3V
36 S1
S1-1 O: normal control mode; 1: remote control mode DC3.3V
S1-3
0: Single water pump control mode;
1: Multiple water pumps control mode
DC3.3V
37 S2 / Reserve DC3.3V