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5.4 Electrical wiring
[POWER SUPPLY CODE]
CENELEC code for cables required field cables.
H05RNR3G4.0
(e) After connecting the power supply wires, make sure to secure the wires with wiring clamps.
(2) Connecting the outside/inside crossover wires
(a) Ensure that crossover wiring is matched with crossover piping in A, B, C and D rooms.
(b) Use the crossover wires specified below. Different wires may cause heat generation and fire. Do not to use unspecified wires.
[INTERCONNECTING WIRING CODE]
CENELEC code for cables required field cables.
H05RNR4G1.5
(c) Make sure the terminal numbers on the terminal board of the indoor and outdoor connections are correct.
(d) After connecting the crossover wires to the terminal board, use wiring clamps to secure the wiring.
Use cables for interconnection wiring to avoid loosening of the wires.
CENELEC code for cables Required field cables.
H05RNR3G4.0 (Example)
H Harmonized cable type
05 300/500 volts
R Natural-and/or synth. rubber wire insulation
N Polychloroprene rubber conductors insulation
R Stranded core
3 Number of conductors
G One conductor of the cable is the earth conductor (yellow/green)
4.0 Section of copper wire (mm
2
)
(1) Connection of the power lines
(a) This multi-type room air conditioner receives its power from outside.
(b) It is necessary to use a single phase 220/230/240 V 50 Hz for the power supply.
(c) An earth leakage breaker and a circuit breaker must be installed.
Their capacities are 25A.
(d) Use the power supply wires specified below. Different wires may cause heat generation and fire. Do not to use unspecified
wires.
Never bundle, wind or treat the power wires. Otherwise, heat or fire may be generated.
unit A unit B unit C unit D
unit A unit B unit C unit D
Outdoor
unit
Circuit
breaker
Earth
leakage
breaker
Indoor
unit
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