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Ports
Ports name
Wiring method
R, S, T
Power supply ports
To power of 3 PH, 380V, 50Hz
U, V, W
Compressor ports
To motor (pay attention to phase sequence)
E Grounded
port
Grounding (less than 10
Ω
;more than
φ
1.6mm)
N
Neutral wire port
If 3 phase, it is connected to neutral wire; if 1
phase, it is blank.
L1, L2
Reactance port
To wire of reactance (non-polar)
CN102
Current transducer port
To current transducer
CN211, CN212 Fan motor port
To fan motor
CN205
Water pump port
To water pump (be spare)
CN206
Electric heater port
To electric heater
CN207
Solenoid valve port
To solenoid valve
CN208
Solenoid valve port
To solenoid valve
CN209
Four-way valve port
To four-way valve
CN210
Oxygen generator port
To oxygen generator (blank temporarily)
CN303
Testing board port
To testing board. Used to modify, check data for
after sale personnel.
CN304
Communication port
To C1, C2 of communication block
CN307, CN308
Fan motor port for dispersing
heat
To fan motor for dispersing heat (be spare)
CN310
EEV port
To outdoor electronic expansion valve
CN311
Radiator temp. sensor port
To radiator temp. sensor (blank temporarily)
CN312
Mid-condenser temp. sensor
port
To mid-condenser temp. sensor
CN313
Defrosting temp. sensor port
To defrosting temp. sensor
CN314
Ambient temp. sensor port
To ambient temp. sensor
CN315
Suction temp. sensor port
To compressor suction temp. sensor
CN316 Discharging temp. sensor port To discharging temp. sensor
CN317
Low pressure switch
port
To
low pressure switch
CN318
High pressure switch port
To high pressure switch
AU48NFIBIA PCB ports name and functions
-148-
Summary of Contents for H-MRV AF092FCBHA
Page 121: ... _ VbTZR Zb _ UZdZ_ Vb AU242FHBHA PCB top layer printed diagram 121 ...
Page 122: ... _ VbTZR Zb _ UZdZ_ Vb AU242FHBHA PCB bottom layer printed diagram 122 ...
Page 127: ... _ VbTZR Zb _ UZdZ_ Vb AU482FIBHA high voltage PCB printed diagram 127 ...
Page 131: ... _ VbTZR Zb _ UZdZ_ Vb AU482FIBHA low voltage PCB printed diagram 131 ...
Page 152: ... a__WcU S c a V e a Wc AB092 182FCBHA PCB printed diagram 152 ...
Page 156: ... a__WcU S c a V e a Wc AE FCBKA PCB printed diagram 156 ...
Page 199: ...MEMO Commercial Air Conditioner ...