Service manual

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Detail of M1C
Detail of M2C
Connector color for printed circuit board.
Connector color for component.
Discrimination color for component lead wire
or printed circuit board connector.
Cool
Heat
Cool
Heat
In-Out Out-Out
Out-Multi
3D038582
L1-RED L2-WHT
N-BLKL3-BLU
Cool/Heat Selector (Optional Accessory)
Indoor (F1) (F2)
Outdoor (F1) (F2)
Outdoor (Q1) (Q2)
POWER SUPPLY
Cool/Heat Selector
Note:4
Note:4
(Front)
(Back)
Switch Box
Note:5
Notes:
1. This wiring diagram is applied only to the outdoor unit.
2. :Field wiring.
3. : Terminal Strip Connector Terminal : Protective Earth (Screw)
4. When using the option adaptor, refer to the installation manual.
5. Refer to the installation manual, for connection wiring to indoor outdoor Transmission F1 • F2 Outdoor-Outdoor
Transmission F1 • F2, Outdoor-Multi Transmission Q1 • Q2.w
6. Refer to "Operation Caution Label" (On Switch box Cover), How to use BS1 ~ BS5 and DS1 • 2 Switch.
7. When operating, don't short circuit for protection device. (S1PH)
8. Colors BLK:Black RED:Red BLU:Blue WHT:White PNK:Pink YLW:Yellow BRN:Brown GRY:Gray GRN:Green ORG:Orange
A1P Printed Circuit Board (Main)
A2P Printed Circuit Board (Inv)
A3P Printed Circuit Board (Fan)
A4P Printed Circuit Board (Noise filter)
A5P Printed Circuit Board (Current Sensor)
BS1 ~ 5 Push Button Switch (A1P)
(Mode, Set, Return, Test, Reset)
C1, 4 Capacitor (A2P)
DS1, 2 Dip Switch (A1P)
E1HC,2HC Crankcase Heater
F1U Fuse (500V, 6A) (A4P)
F1U, 2U Fuse (250V, 10A,
B
) (A1P)
H1P ~ 8P
Pilotlamp (Service monitor-orange) (A1P)
[H2P] Prepare, Test --- Flickering
Malfunction Detection light up
HAP
Pilotlamp (Service monitor-green) (A1P~3P)
K1M, 2M Magnetic Contactor (M1C, 2C)
K1R Magnetic Relay (A2P)
K1R Magnetic Relay (K2M) (A1P)
K2R Magnetic Relay (K1M) (A2P)
K3R Magnetic Relay (Y2S) (A1P)
K4R Magnetic Relay (Y3S) (A1P)
K5R Magnetic Relay (Y3S) (A1P)
K6R Magnetic Relay (Y4S) (A1P)
K7R Magnetic Relay (Y5S) (A1P)
K8R Magnetic Relay (Y6S) (A1P)
K11R Magnetic Relay (Y7S) (A1P)
K13R Magnetic Relay (E1HC) (A1P)
K14R Magnetic Relay (E2HC) (A1P)
K16R Magnetic Relay (Option Adaptor)
L1R Reactor
M1C, 2C Motor (Compressor)
M1F Motor (FAN)
PS Switching Power Supply (A2P)
Q1RP Phase Reversal Detect Circuit (A1P)
R1 Resistor (Current Limiting) (A2P)
R10 Resistor (Current Sensor) (A3P)
R133 Resistor (Current Sensor) (A2P)
R3, 4 Resistor (A2P)
R1T Thermistor (Fin) (A2P
R1T Thermistor (Air) (A1P)
R2T Thermistor (Suction)
R31T, 32T Thermistor (M1C, 2C Discharge)
R4T Thermistor (Heat exc. Deicer)
R5T Thermistor (Heat exc. Outlet)
R6T Thermistor (Liq. Pipe Receiver)
R7T Thermistor (Oil Pipe)
S1NPH Pressure Sensor (High)
S1NPL Pressure Sensor (Low)
S1PH Pressure Sensor (High)
T1A Current Sensor (A5P)
T1R Transformer (220-240V/20V)
V1CP Safety Devices Input (A1P)
V1R Diode Bridge (A2P)
V2R IGBT Power Module (A2P, A3P)
X1M Terminal Strip (Power Supply)
X1M Terminal Strip (Control) (A1P)
Y1E, 2E Electronic Expansion Valve
Y1S Solenoid Valve (Hot Gas)
Y2S Solenoid Valve (Out-Multi-Oil)
Y3S Solenoid Valve (Receiver Gas Intake)
Y4S Solenoid Valve (Receiver Gas Purge)
Y5S Solenoid Valve (Gas Purge)
Y6S Solenoid Valve (Liquid Pipe)
Y7S Solenoid Valve (4 Way Valve)
Z1C~4C Noise Filter (Ferrite Core)
Z1F Noise Filter (With Surge Absorber)
Cool/Heat Selector (KRC19-26A)
S1S Selector Switch (Fan/Cool • Heat)
S2S Selector Switch (Cool/Heat)