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Installation and operation manual
51
RYYQ+RYMQ+RXYQ8~20T7Y1B
VRV IV System Air Conditioner
4P329765-1 – 2012.09
20.2. Electrical specifications
RXYQ8T
RYYQ8T
RYMQ8T
RXYQ10T
RYYQ10T
RYMQ10T
RXYQ12T
RYYQ12T
RYMQ12T
RXYQ14T
RYYQ14T
RYMQ14T
Power supply
• name
Y1
• phase
3N~
• frequency
(Hz)
50
• Voltage
(V)
380-415
Current
• nominal running
current (RLA)
(a)
(a) RLA is based on indoor unit temperature 27°C DB and 19°C WB, outdoor
temperature 35°C DB.
(A)
7.2
10.2
12.7
15.4
• starting current
(MSC)
(b)
(b) MSC=the maximum current during startup of the compressor. VRV IV uses only
inverter compressors. MCA must be used to select the correct field wiring size.
The MCA can be regarded as the maximum running current.
(A)
≤
MCA
• minimum circuit
amps (MCA)
(c)
(c) MCA must be used to select the correct field wiring size. The MCA can be
regarded as the maximum running current.
(A)
16.1
22.0
24.0
27.0
• Maximum fuse
amps (MFA)
(d)
(d) MFA is used to select the circuit breaker and the ground fault circuit interrupter
(earth leakage circuit breaker).
(A)
20
25
32
• Total overcurrent
amps (TOCA)
(e)
(e) TOCA means the total value of each OC set.
(A)
17.3
24.6
35.4
• Full load amps
(FLA)
(f)
(f) FLA=nominal running current fan
Voltage range: units are suitable for use on electrical systems where voltage
supplied to unit terminal is not below or above listed range limits.
Maximum allowable voltage range variation between phases is 2%.
(A)
1.2
1.3
1.5
1.8
Voltage range
(V)
380-415 ±10%
Wiring connections
• for power supply
5G
• for connection to
indoor unit
2 (F1/F2)
Power supply intake
both indoor and outdoor unit
RXYQ16T
RYYQ16T
RYMQ16T
RXYQ18T
RYYQ18T
RYMQ18T
RXYQ20T
RYYQ20T
RYMQ20T
Power supply
• name
Y1
• phase
3N~
• frequency
(Hz)
50
• Voltage
(V)
380-415
Current
• nominal running
current (RLA)
(a)
(A)
18.0
20.8
26.9
• starting current
(MSC)
(b)
(A)
≤
MCA
• minimum circuit
amps (MCA)
(c)
(A)
31.0
35.0
39.0
• Maximum fuse
amps (MFA)
(d)
(A)
40
50
• Total overcurrent
amps (TOCA)
(e)
(A)
35.7
42.7
• Full load amps
(FLA)
(f)
(A)
2.6
Voltage range
(V)
380-415 ±10%
Wiring connections
• for power supply
5G
• for connection to
indoor unit
2 (F1/F2)
Power supply intake
both indoor and outdoor unit
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