To Connect The Electrical Wiring To The Outdoor Unit - Daikin Altherma 3 HT Installer's Reference Manual

9 | Electrical installation

9.2.1 To connect the electrical wiring to the outdoor unit

In case of V3 models
Installer reference guide
102
Item
Air thermistor cable
1 Open the switch box cover. See
2 Strip insulation (20 mm) from the wires.
a
a Strip wire end to this point
b An 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.
c2
b2
a2
a1+a2 Power supply cable (field supply)
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:
▪ "In case of V3 models" [
▪ "In case of W1 models" [
1 Power supply cable:
▪ Route the cable through the frame.
▪ Connect the wires to the terminal block.
▪ Fix the cable with a cable tie.
See "9.2.2 To reposition the air thermistor on the
4
outdoor unit" [ 108].
"7.2.2 To open the outdoor
b
d
b1
c1
4
102]
4
105]
Description
4
unit" [ 66].
a1
EPRA14~18D + ETVH/X16S18+23E
Daikin Altherma 3 H HT F
4P644737-1A – 2022.03