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• VRV Systems • Outdoor Units
30
• Outdoor Units • VRV HEAT RECOVERY • REYHQ16-24P
7
Wiring diagram
7 - 1
Wiring diagram
REMHQ12P9
2TW29146-1A
NOTES
1
When using the option adaptor, refer to the installation manual
2
Refer to the installation manual, for connection wiring to
indoor-outdoor transmission F1 - F2, outdoor transmission F1 - F2,
outdoor-multi transmission Q1 - Q2 and on how to use BS1~BS5 and DS1, DS2 switch.
3
Do not operate the unit by short-circuiting protection device S1PH~S3PH
Indoor unit
K1R~K11R
Magnetic relay
V1R
Diode bridge (A3P)
Power module (A4P,A8P)
A1P~A8P
A1P: Main
A4P,A8P: Fan
K1R: K2M (A1P)
K1R: Y5S (A5P)
V2R
Power module (A3P)
A2P: Noise filter
A5P: Sub
K2R: K3M (A1P)
K2R: Y6S (A5P)
X1A~X4A
Connector (M1F, M2F)
A3P: Inverter
A6P,A7P: Current sensor
K3R: Y1S (A1P)
K4R: Y2S (A1P)
X5A
Connector (Y1E)
BS1~BS5
Push button switch
(Mode, Set, Return, Test, Reset)
K5R: Y3S (A1P)
K5R: (for option) (A5P)
X1M
Terminal strip (Power supply)
K6R: Y7S (A5P)
K7R: E1HC (A1P)
X1M
Terminal strip (Control) (A1P)
C1, C63, C66
Capacitor
K8R: E2HC (A1P)
K9R: E3HC (A1P)
Y1E
Electronic expansion valve (Main)
E1HC~E3HC
Crankcase heater
K11R: Y4S (A1P)
Y2E
Electronic expansion valve (Charge)
F1U, F2U
Fuse (T, 3.15A, 250V) (A1P)
Q1RP
Reverse phase detection circuit
Y3E
Electronic expansion valve (Subcool)
F1U
Fuse (T, 3.15A, 250V) (A5P)
R10
Resistor (current sensor) (A4P,A8P)
Y1S~Y3S
Solenoid valve
F1U
Fuse (8A, DC650V) (A4P,A8P)
R50, R59
Resistor
Y1S: RMTG
Y2S: 4 way valve (pipe)
F5U
Field fusef
R90
Resistor (current sensor)
Y3S: 4 way valve (H/E Gas)
F400U
Fuse (T, 63A, 250V) (A2P)
R95
Resistor (current limiting)
Y4S: RMTL
Y5S: Hots gas
H1P~H8P
Pilotlamp (service monitor -orange)
[H2P] Prepare, Test - - - - - - - - - - Flickering
Malfunction detection - - - - - - Light up
R1T~R9T
R31T~R33T
Thermistor
Y6S: EV bypass
Y7S: RMTO
R1T: Air (A1P)
R4T: H/E Deicer
Z1C~Z10C
Noise filter (ferrite core)
R1T: Fin (A3P)
R5T: Sub cool H/E gas
Z1F
Noise filter (with surge absorber)
HAP
Pilotlamp (service monitor - orange)
R2T: H/E Gas
R6T: Sub cool H/E liq
K1~K4
K1: Magnetic relay
K2: Magnetic contactor (M1C)
R31T: M1C Discharge R7T: H/E Liquid
Connector for optional parts
K3: Magnetic relay
K4: Magnetic contactor (M1C)
R32T: M2C Discharge R8T: Suction
X7A
Operation output (A5P)
K2M, K3M
Magnetic contactor (M2C, M3C)
R33T: M3C Discharge R9T: Liquid
X9A
Power supply (ADAPTER) (A5P)
L1R
Reactor
S1NPH
Pressure sensor (High)
M1C~M3C
Motor (Compressor)
S1NPL
Pressure sensor (Low)
M1F, M2F
Motor (Fan)
S1PH~S3PH
Pressure switch (High)
PS
Switching power supply (A1P, A3P)
SD1
Safety devices input
Q1DI
Earth leakage breaker
T1A
Current sensor (A6P, A7P)
: Terminal
Colors:
BLK:
Black
PNK:
Pink
ORG:
Orange
: Field wiring
RED:
Red
BRN:
Brown
BLU:
Blue
: Connector
YLW:
Yellow
GRY:
Grey
: Terminal
WHT:
White
GRN:
Green
: Protective eart (screw)
POWER SUPPLY
Position in switch box
Note 5
TO
IN/D
UNIT
Male connector: BLU
Female connector: WHT
Front layer
12 HP
TO
OUT/D
UNIT
TO
MULTI
UNIT
MALE CONNECTOR: BLK
FEMALE CONNECTOR: WHT
Rear layer
indoor
(F1)(F2)
outdoor
(F1)(F2)
outdoor
(01)(02)
Male conn: RED
Female conn: WHT
Detail of M1C~M3C
Detail of M1C~M3C
El. compo. box
Position of M1~3C,M1,2F