MovinCool Climate Pro 18 Service Manual - Manual (Page 75)

Repair Section
75
(2) Relay board
1) Remove nine (9) supports from the service panel. (See page 72.)
2) Disconnect twenty six (26) connectors from the relay board.
ILL00899-00
CN17: To Optional Condensate Pump
CN37: To Electronic Expansion Valve
CN30: Control Panel Board
CN03: To Transformer
CN02: To Transformer
CN01: To Terminal Block 1
(#R, T for Power)
RL09-COM
CN18: To Drain Switch,
High Pressure Switch
CN14: To ODS, CTS2, CTS3 Thermistors
CN12: To RTS, CTS Thermistors
CN31: To Terminal Block 2
(#GND, Rx, Tx, +5V for Serial Communication Port) CN34: To Terminal Block 3 for Millivolt,
24VAC thermostat
RL01A-4 RL01A-3
RL04-NO
RL04-NC
RL04-COM
RL03-NO
RL03-NC
RL03-COM
RL02-NO
RL02-COM
CN27: To Outdoor Drain Pan Heater
CN25: To 4-Way Valve
CN26: To Terminal Block 2
(#OS-1, OS-2 for Warning Device)
RL09-NO