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11.3.2 How to Fix Cable
11.3.2.1 Connecting with External Device (Optional)
All connections shall follow to the local national wiring standard.
It is strongly recommended to use manufacturer-recommended parts and accessories for installation.
For connection to main PCB ⑤
1 Room thermostat cable must be (4 or 3 x min 0.5 mm
2
), of type designation 60245 IEC 57 or heavier cord, or
similarly double insulation sheathed cable.
2 Extra pump cable shall be (2 x min 1.5 mm
2
), of type designation 60245 IEC 57 or heavier.
3 Boiler contact cable shall be (2 x min 0.5 mm
2
), of type designation 60245 IEC 57 or heavier.
4 External control shall be connected to 1-pole switch with min 3.0 mm contact gap. Its cable must be (2 x min
0.5 mm
2
), double insulation layer of PVC-sheathed or rubber-sheathed cable.
* note: - Switch used shall be CE compliance component.
- Maximum operating current shall be less than 3A
rms
.
5 Room sensor zone 1 cable shall be (2 x min 0.3 mm
2
) double insulation layer of PVC-sheathed or rubber-
sheathed.
Power Supply 1
RCCB/ELCB
Power Supply 2
RCCB/ELCB
Holder
(Clamper)
Indoor terminal for
connecting cables
Main PCB ⑤
How to guide the optional cables and power supply cord
(view without internal wiring)
Optional cables:
•
External control cable
•
Room sensor zone 1
•
Remote controller cable
Optional cables:
•
Room thermostat
zone 1 cable
•
Extra pump cable
•
Boiler contact cable
•
Power Supply 1 cord
•
Power Supply 2 cord
•
Indoor Unit/Outdoor Unit
Connecting cable
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