Argo AG4HP061PH - Page 43

Air-to-water Heat Pump
42
AG4HP061PH; AG4HP081PH; AG4HP101PH; AG4HP121PH ; AG4HP141PH; AG4HP161PH; AG4HP103PH;
AG4HP123PH; AG4HP143PH; AG4HP163PH
PCB AP2
Silk Screen
Introduction
AC-L
Live wire input of power supply
N
Neutral wire input of power supply
PWR1
310V Supply 310V DC power to the drive
F1
Fuse
4V
4-way valve
VA-1
E-heater of chassis
HEAT
Electric heating tape
DC-MOTORO
1-pin: fan power supply; 3-pin: fan GND; 4-pin: +15V; 5-pin:control signal;
6-pin:feedback signal
DC-MOTORO1
1-pin: fan power supply;3-pin: fan GND; 4-pin: +15V; 5-pin: control signal;
6-pin: feedback signal
FA
1, 2, 3, 4 signals, 5 power supply to EXV1,pipe electronic expansion valve,1-
4 pin: driving impulse output; 5 pin: +12V
FB
1, 2, 3, 4 signals, 5 power supply to EXV2, pipe electronic expansion valve,1-
4 pin: driving impulse output; 5 pin: +12V
T_SENSOR2
1,2: environment; 3,4:discharge; 5,6: suction
T_SENSOR1
1,2: economizer inlet; 3,4: economizer outlet; 5,6:defrost
H_PRESS
5V signal input of pressure sensor 1 pin: GND; 2 pin: signal input; 3 pin:
+5V
HPP
1-pin:+12V, 3-pin: signal
LPP
1-pin: +12V, 3-pin: signal
CN2
1-pin:+12V, 2-pin: signal
CN7
Communication between AP1 and AP2;communication cable 2-pin: B,
3-pin: A;
CN8
1-pin:12V, 2-pin:B, 3-pin: A, 4-pin: ground, To the wired controller,
communication cable;
CN9
1-pin:+12V, 2-pin:B;
3-pin:A, 4-pin: ground
COM_ESPE1
1-pin:+3.3V, 2-pin:TXD, 3-pin:RXD, 4-pin:ground
COM_ESPE2
1-pin:+3.3V, 2-pin:TXD, 3-pin:RXD, 4-pin:ground
CN5
1-pin: ground, 2-pin:+18V, 3-pin:+15V