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Electrical installation
Installer reference guide
92
EPRA14~W1 + ETBH/9W
Daikin Altherma 3 H HT W
4P587501-1B – 2020.10
8.2 Connections to the outdoor unit
Item
Description
Power supply cable
"To connect the electrical wiring on the outdoor
92].
Interconnection cable
Drain tube heater cable
Connection for power
saving function (only for V3
models)
Air thermistor cable
"To reposition the air thermistor on the outdoor
98].
8.2.1 To connect the electrical wiring on the outdoor unit
1
Open the switch box cover. See
2
Strip insulation (20 mm) from the wires.
a
b
a
Strip wire end to this point
b
Excessive strip length may cause electrical shock or leakage.
3
Insert the cables at the back of the unit, and route them through the factory-
mounted cable sleeves into the switch box. For the power supply, use the
factory-mounted cable.
d
c2
b2
c1
b1
a1
a2
a1+a2
Power supply cable (factory-mounted cable)
b1+b2
Interconnection cable (field supply)
c1+c2
(optional) Drain tube heater cable (field supply)
d
Cable sleeves (factory-mounted)
4
Inside the switch box, connect the wires to the appropriate terminals, and fix
the cables with cable ties. See: