Midea Aqua Tempo Super II Series Technical & Service Manual page 65

Aqua Tempo Super II Series DC Inverter Air-cooled chiller unit (50Hz)
Detection of current of the compressor A
11
Detection of current of the compressor B
12 Port of low pressure
13 Port of high pressure
14 Filter board communication port
15 Remote Cool/Heat port
16 Remote ON/OFF port
17 Water flow detection port
18 The alarm signal output port (ON/OFF signal)
19 Auxiliary electric heater signal output port (ON/OFF signal)
20 Auxiliary electric heater signal output port (ON/OFF signal)
21 PUMP signal output port (ON/OFF signal)
22 PUMP signal output port (ON/OFF signal)
23 Power supply input port
S5-1: OFF: normal water outlet temperature ON: low water outlet temperature
24 S5-2: OFF: ON/OFF is inactivated
S5-3: OFF: one small pump per unit
ENC2: outdoor unit capacity
25
0: 30kW ; 3: 60kW module
ENC1: outdoor unit address
26 0:master unit
1,2,3......F: slave units
27 Digital display: display the status of the outdoor unit
28 Check button: the operating status of outdoor system can be observed through this check
29 Input port of transformer
30 Quick oil return valve
31 EEPROM
32 MCU flash port
33 Four-way valve control port
34 Evaporator anti-freezing crankcase heater control port
35 Target flow switch electric heating belt control port
36 Crankcase heater control port
CAUTION
1. Faults
When the main unit suffers faults, the main unit stops operating, and all other units also stop running;
When the slave unit suffers faults, only the unit stops operating, and other units are not affected.
2. Protection
When the main unit is under protection, only the unit stops operating, and other units keep running;
When the slave unit is under protection, only the unit stops operating, and other units are not affected.
ON: ON/OFF is activated
ON: one large pump controlled by master unit
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MCAC-ATSM-201704