Mars Comfort-Aire Century VCD-SA Series Service Manual page 62

No. Name
1 /
2 /
3 /
4 TESTPORT
5 /
6 H-PRO
7 Power Supply
Note: This section is for reference only. Please take practicality as standard.
CN#
CN5 connect to one-way solenoid valve
CN9 connect to pressure sensor (5VDC)
CN28 connect to electric expansion valve (12VDC)
CN45 used for testing (5VDC)
connect to suction temp. sensor, cold plate temp. sensor
CN11
(5VDC)
CN38 connect to high pressure switch (5VDC)
CN3 connect to main board L-Out
CN4 connect to main board N-Out
Service Manual - VCDxxSA
Meaning