SiEN34-705 Heat Pump / Cooling Only 50Hz (RX(Y)Q5~54P)
Installation Manual 239
1.7.1 Power circuit, safety device, and cable requirements
! A power circuit (see the following table) must be provided for connection of the unit. This
circuit must be protected with the required safety devices, i.e. a main switch, a slow blow
fuse on each phase and an earth leakage circuit breaker.
! When using residual current operated circuit breakers, be sure to use a high-speed type (1
second or less) 200mA rated residual operating current.
! Use copper conductors only.
! Use insulated wire for the power cord.
! Select the power supply cable type and size in accordance with relevant local and national
regulations.
! Specifications for local wiring are in compliance with IEC60245.
! Use wire type H05VV when protected pipes are used.
Use wire type H07RN-F when protected pipes are not used.
Note: The above table indicates power specifications for standard combinations (see 1-2
Introduction).
If using anything other than the above combinations in a multi system, calculate using the
following procedure.
Minimum circuit amp value: add the minimum circuit amp values for each independent unit
Recommended fuse capacity: select the fuse capacity with the next higher value of the
calculated minimum circuit amp. multiplied by 1.1.
Ex: Combining the RXYQ30PY1 using RXYQ8PY1, RXYQ10PY1, and RXYQ12PY1.
Minimum circuit amp. of the RXYQ8PY1 in table above = 18.5 A
Minimum circuit amp. of RXYQ10PY1 in table above = 21.6 A
Minimum circuit amp. of RXYQ12PY1 in table above = 22.7 A
Accordingly, the minimum circuit amp. of the RXYQ30PY1 = 18.5 + 21.6 + 22.7= 62.8 A
Multiplying the result above by 1.1 (62.8 × 1.1) = 69.1 A, so the recommended fuse capacity
would be 70 A.
Phase and
frequency
Voltage
Minimum circuit
amp.
Recommended
fuses
RX(Y)Q5PY1 φ 3, 50Hz 380-415V 11.9A 15A
RX(Y)Q8PY1 φ 3, 50Hz 380-415V 18.5A 25A
RX(Y)Q10PY1 φ 3, 50Hz 380-415V 21.6A 25A
RX(Y)Q12PY1 φ 3, 50Hz 380-415V 22.7A 25A
RX(Y)Q14PY1 φ 3, 50Hz 380-415V 31.5A 35A
RX(Y)Q16PY1 φ 3, 50Hz 380-415V 31.5A 35A
RX(Y)Q18PY1 φ 3, 50Hz 380-415V 32.5A 40A
RX(Y)Q20PY1 φ 3, 50Hz 380-415V 41.2A 50A
RX(Y)Q22PY1 φ 3, 50Hz 380-415V 44.3A 50A
RX(Y)Q24PY1 φ 3, 50Hz 380-415V 50.0A 60A
RX(Y)Q26PY1 φ 3, 50Hz 380-415V 51.0A 60A
RX(Y)Q28PY1 φ 3, 50Hz 380-415V 54.1A 60A
RX(Y)Q30PY1 φ 3, 50Hz 380-415V 55.2A 70A
RX(Y)Q32PY1 φ 3, 50Hz 380-415V 63.0A 70A
RX(Y)Q34PY1 φ 3, 50Hz 380-415V 64.0A 80A
RX(Y)Q36PY1 φ 3, 50Hz 380-415V 65.0A 80A
RX(Y)Q38PY1 φ 3, 50Hz 380-415V 73.7A 90A
RX(Y)Q40PY1 φ 3, 50Hz 380-415V 81.5A 90A
RX(Y)Q42PY1 φ 3, 50Hz 380-415V 82.5A 100A
RX(Y)Q44PY1 φ 3, 50Hz 380-415V 83.5A 100A
RX(Y)Q46PY1 φ 3, 50Hz 380-415V 86.6A 100A
RX(Y)Q48PY1 φ 3, 50Hz 380-415V 87.7A 100A
RX(Y)Q50PY1 φ 3, 50Hz 380-415V 96.5A 110A
RX(Y)Q52PY1 φ 3, 50Hz 380-415V 96.5A 110A
RX(Y)Q54PY1 φ 3, 50Hz 380-415V 97.5A 110A
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