Installation and operation manual
23
RYYQ+RYMQ+RXYQ8~20T7Y1B
VRV IV System Air Conditioner
4P329765-1 – 2012.09
12.2. Internal wiring – Parts table
Refer to the wiring diagram sticker on the unit. The abbreviations
used are listed below:
A1P ........................Printed circuit board (main)
A2P/A5P.................Printed circuit board (noise filter)
A3P/A6P.................Printed circuit board (inv)
A4P/A7P.................Printed circuit board (fan)
BS1~BS3 ...............Push button switch (A1P) (mode, set, return)
C32,C66 .................Capacitor (A3P, A6P)
C47,C48 .................Capacitor
DS1,DS2 ................DIP switch (A1P)
E1HC, E2HC ..........Crankcase heater
F1U,F2U.................Fuse (250 V, 3.15 A, T) (A1P)
F101U ....................Fuse (A4P, A7P)
F400U ....................Fuse (A2P, A5P)
F410U~F412U........Fuse (A2P, A5P)
F601U ....................Fuse (A6P)
HAP........................Pilot lamp (A1P) (service monitor - green)
K1M........................Magnetic contactor (A3P, A6P)
K1R ........................Magnetic relay (A3P, A6P)
K3R ........................Magnetic relay (Y3S) (A2P, A5P, A6P)
K4R ........................Magnetic relay (Y2S)
K5R ........................Magnetic relay (Y4S)
K6R ........................Magnetic relay (Y5S)
K7R ........................Magnetic relay (E1HC)
K8R ........................Magnetic relay (E2HC)
K10R ......................Magnetic relay (option)
K11R ......................Magnetic relay (Y1S)
L1R~L3R ................Reactor
M1C, M2C ..............Motor (compressor)
M1F,M2F ................Motor (fan)
PS ..........................Switching power supply (A1P, A3P, A6P)
Q1LD......................Leakage detection circuit (A1P)
Q1RP .....................Phase reversal detection circuit (A1P)
R1...........................Resistor
R2, R3 ....................Resistor (A3P, A6P)
R24.........................Resistor (current sensor) (A4P, A7P)
R77.........................Resistor (current sensor) (A3P, A6P)
R78.........................Resistor (A3P, A6P)
R313.......................Resistor (current sensor)
R865, R867 ............Resistor
R1T ........................Thermistor (air) (A1P)
R21T, R22T ............Thermistor (discharge) (M1C, M2C, discharge)
R3T.........................Thermistor (accumulator)
R4T.........................Thermistor (heat exc. liq. pipe)
R5T.........................Thermistor (subcool liq. pipe)
R6T.........................Thermistor (heat exc. gas pipe)
R7T.........................Thermistor (heat exc.de-icer)
R8T.........................Thermistor (M2C body)
S1NPH ...................Pressure sensor (high)
S1NPL ....................Pressure sensor (low)
S1PH, S2PH...........Pressure switch (high)
SE1~SE3................7-segment display
T1A.........................Current sensor
V1R ........................Power module (A3P, A6P)
V1R ........................Power module (A4P, A7P)
V2R ........................Power module
X1A~X4A................Connector (M2F, M1F)
X3A, X5A, X6A .......Connector (check the residual charge)
X1M ........................Terminal strip (power supply)
X1M ........................Terminal strip (control) (A1P)
Y1E.........................Electronic expansion valve (main)
Y2E.........................Electronic expansion valve (injection)
Y3E.........................Electronic expansion valve (storage vessel)
Y1S.........................Solenoid valve (main)
Y2S.........................Solenoid valve (accumulator oil return)
Y3S.........................Solenoid valve (oil 1)
Y4S.........................Solenoid valve (oil 2)
Y5S.........................Solenoid valve (sub)
Z1C~Z7C................Noise filter (ferrite core)
Z1F .........................Noise filter (with surge absorber)
L1,L2,L3 .................Live
N.............................Neutral
...............Field wiring
..................Terminal strip
..........................Connector
.........................Terminal
..........................Protective earth (screw)
BLK.........................Black
BLU ........................Blue
BRN........................Brown
GRN .......................Green
GRY........................Grey
ORG .......................Orange
PNK ........................Pink
RED........................Red
WHT .......................White
YLW........................Yellow
Connector for optional accessories:
X14A.......................Connector (drain pan heater)
X37A.......................Connector (power adapter)
X66A.......................Connector (remote switching cool/heat selector)
RYYQ/RXYQ-30
—
1488
RYYQ/RXYQ-32
—
1848
RYYQ/RXYQ-34
—
1797
RYYQ/RXYQ-36
—
1894
RYYQ/RXYQ-38
—
2750
RYYQ/RXYQ-40
—
2052
RYYQ/RXYQ-42
—
2412
RYYQ/RXYQ-44
—
2463
RYYQ/RXYQ-46
—
2765
RYYQ/RXYQ-48
—
2772
RYYQ/RXYQ-50
—
2721
RYYQ/RXYQ-52
—
2670
RYYQ/RXYQ-54
—
2619
INFORMATION
Multi units are standard combinations.
Z
max
(
Ω
)
Minimum S
sc
value (kVA)
INFORMATION
The wiring diagram on the outdoor unit is only for the
outdoor unit. For the indoor unit or optional electrical
components, refer to the wiring diagram of the indoor unit.
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