12 Technical data
Installer and user reference guide
54
RXYTQ8~16T7YF
VRV IV system air conditioner
4P388989-1B – 2016.02
12
-
+
+
-
+
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2D095652-1
X1A
X101A
A1P
X4A
X41A
X3A
X2A
X28A
X20A
F1U
F2U
X31A
X18A
X32A
X21A
X22A
X23A
X29A
X1M
X30A
ON
OFF
1 2 3 4
1 2 3 4
ON
OFF
5
5
5
5
5
5
PS
Q1RP
K7R
K8R
K4R
K5R
K6R
K11R
K3R
X11A
X10A
X8A
X15A
X7A
X12A
X9A
Y3S
E1HC
Y2S
Y1S
R5T
R7T
R3T
R8T
R21T
R6T
R4T
t°
t°
t°
t°
t°
t°
t°
C
B
A
X2A
X1A
A5P
A2P
L2R
A4P
X4A
A1P
X3A
L1R
A3P
X1M
X6A
MS
M2F
3~
N
L3
L2
N
L1
L3
L2
L1
Z2C
N=1
Z6C
N=1
Z5C
N=1
T1A
N=1
E
GRN
P11
N11
F101U
V1R
N1
P1
R24
X4A
X2A
X1A
X3A
X5A
RED
BLU
RED
BLK
WHT
WHT
WHT
RED
A2P
BLK
RED
BLU
WHT
Z5C
N=1
Z6C
N=1
X1A X1M
S2S
S1S
HAP
SEG3
SEG1 SEG2
BS1
BS3
BS2
t°
Y1E
M
Y2E
M
S1NPH
R1T
S1NPL
F1 F2
F2
F1
(F1)(F2)
BLK
RED
BLK
RED
X6A
Z6C
N=1
X4A
X6A
X601A
X63A
X602A
C47
R867
K1R
C48
P11
V1R
R1
R865
P21
K1M
L3B
L1B L2B
X41A
K3R
WHT
WHT
WHT
RED
WHT
WHT
RED
Z3C
N=2
Z4C
N=2
RED
WHT
WHT
BLK
WHT
WHT
X1A X3A
X2A
N11
X5A
R24
X4A
P11
V1R
F101U
RED
BLK
Z1C
N=5
MS
3~
U
V W
V
U
W
V2R
R313
N4
P4
P5
N5
RED
WHT
BLK
X403A
BLK
RED
BLU
BLK
RED
X40A
Z6C
N=1
Z5C
N=1
-
+
+
+
MS
M1F
3~
L3B
L2A
NA
L1A
L2B
L3A
L1B
F410U
F412U
F41
1U
P>
S1PH
3N~ 380-415 V 50 Hz
Q1DI F3U
3N~ 400 V
60 Hz
M1C
L1R L2R
A4P
A5P
A3P
X1M
X3A
X1A
X4A
X2A
X66A
X37A
Z1F
PS
F601U
DS1
DS2
M1C
M1F
M2F
V
W
U
Cool/heat selector
Cool/heat selector
(optional accessory)
(Note 3)
Electrical component box
Layout of M1C,M1F,M2F
Heat
Cool
Fan
Cool
Heat
To outdoor unit
To indoor unit
(Note 4)
(Note 4)
Outdoor
Indoor
(Note 7)
(Note 3)
(Note 3)
Power supply
Electrical component box
Outer shell
Terminal of M1C
A1P
Printed circuit board (main)
A2P
Printed circuit board (noise filter)
A3P
Printed circuit board (inv)
A4P, A5P
Printed circuit board (fan)
BS1~BS3
Push button switch (A1P) (mode, set, return)
C47, C48
Capacitor (A3P)
DS1, DS2
DIP switch (A1P)
E1HC
Crankcase heater
F1U, F2U
Fuse (250 V, 3, 15 A, T) (A1P)
F3U
Field fuse
F101U
Fuse (A4P, A5P)
F410U~F412U
Fuse (A2P)
F601U
Fuse (A3P)
HAP
Pilot lamp (A1P) (service monitor - green)
K1M
Magnetic contactor (A3P)
K1R
Magnetic relay (A3P)
K3R
Magnetic relay (A3P)
K3R
Magnetic relay (Y3S)A1P)
K4R
Magnetic relay (Y2S)(A1P)
K5R
Magnetic relay (A1P)
K6R
Magnetic relay (A1P)
K7R
Magnetic relay (E1HC)(A1P)
K8R
Magnetic relay (A1P)
K11R
Magnetic relay (Y1S)(A1P)
L1R~L2R
Reactor
M1C
Motor (compressor)
M1F, M2F
Motor (fan)
PS
Switching power supply (A1P, A3P)
Q1DI
Field earth leakage breaker
Q1RP
Phase reversal detection circuit (A1P)
R1
Resistor (current limiting)(A3P)
R24
Resistor (current sensor)(A4P, A5P)
R313
Resistor (current sensor)(A3P)
R865, R867
Resistor (A3P)
R1T
Thermistor (air) (A1P)
R21T
Thermistor (M1C 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
Pressure switch (discharge)
SEG1~SEG3
7-segment display (A1P)
T1A
Current sensor
V1R
Power module (A3P)
V1R
Power module (A4P, A5P)
X1A~X4A
Connector (M1F, M2F)
X6A
Connector (check the residual charge)
X1M
Terminal block (power supply)
X1M
Terminal block (control) (A1P)
Y1E
Electronic expansion valve (main)
Y2E
Electronic expansion valve (injection)
Y1S
Solenoid valve (main)
Y2S
Solenoid valve (accumulator oil return)
Y3S
Solenoid valve (oil 1)
Z1C~Z6C
Noise filter (ferrite core)
Z1F
Noise filter (A2P)(with surge absorber)
Field wiring
Terminal block
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