NO.
36
CN8: Water flow switch signal.
Digital tube
37
1) In case of stand-by, the address of the module is displayed;
2) In case of normal operation, 10. is displayed (10 is followed by dot).
3) In case of fault or protection, fault code or protection code is displayed.
S5: Dip switch
38
S5-3: Normal control, valid for S5-3 OFF (factory default).
Remote ON/OFF, valid for S5-3 ON (the display shows "rctc")
39
S6: Dip switch
S6-3: Anti-snow function is invalid, valid for S6-3 OFF (factory default).
Anti-snow function is effective, valid for S6-3 ON.
40
S12: Dip switch
S12-1: Valid for S12-1 ON (factory default).
S12-2: Single water pump control, valid for S12-2 OFF (factory default)
Multiple water pumps control, valid for S12-2 ON.
S12-3: Normal cooling mode (water temp. from 5ºC to 20ºC), valid for S12-3 OFF (factory default).
Low temperature cooling (water temp. from 0°C to 20ºC), valid for S12-3 ON.
CN7: TEMP-SW, Double setpoint function port (terminal block XT2: 16-22, open is Setpoint 1, close is Setpoint 2)
41
42
ENC2: POWER
DIP switch for capacity selection (0 in model 30, and 1 in model 60)
43
CN74: The power supply port of the control panel (HMI) (DC9V)
44
ENC4: NET_ADDRESS
DIP switch 0-F of outdoor unit network address is enabled, which represent address 0-15.
Faults
When the main unit suffers faults, the main unit stops operating, and all other units also stop running;
When the subordinate unit suffers faults, only the unit stops operating, and other units are not affected.
Protection
When the main unit is under protection, only the unit stops operating, and other units keep running;
When the subordinate unit is under protection, only the unit stops operating, and other units are not affected.
Detail information
CAUTION
75