Power and communication with outdoor unit
Power Wire
ELCB
Communication
Wire
N
L
• Be careful when connecting L, N.
CAUTION
Connecting the power wire
1. Connect ‘Live’ and 'Neutral’ power line with ‘L, N’ of a ELCB.
2. Connect ‘L,N’ of a ELCB with ‘A1 and A2’ in TB-A.
3. Connect ‘Protective Earth’ line with ‘Earth screw’ In case.
Recommended wire specification
Load Power
Supply
Power Cable
Max. Length
mm
2
, wires
m
Do NOT use Heater (Water Pump, Valve,
Wired RMC)
1Ø, 220-240V, 50Hz
1.5 / 3
L < 10m
2.5 / 3
10m < L
Use Booster Heater (Max. 3kW)
4.0 / 3
L < 10m
6.0 / 3
10m < L
f
The power cable is not supplied with Air to water heat pump.
f
This equipment with "IEC 61000-3-12".
f
Power supply cords of parts of appliances for outdoor use shall not be lighter than polychloroprene sheathed flexible
cord. (Code designation IEC:60245 IEC 57 / CENELEC: H05RN-F or IEC:60245 IEC 66 / CENELEC: H07RN-F)
f
When installing the control kit in a computer room or net work room, server room or in the presence of risk of
disturbance to the communication cable, use the double shielded (tape aluminium / polyester braid + copper) cable of
FROHH2R type.
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ENGLISH