To Connect The Main Power Supply - Daikin Altherma 3 M Installer's Reference Manual

9.2.2 To connect the main power supply

EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
4P620241-1 – 2020.06
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 unit to
the appropriate terminal blocks.
a
a High voltage options
b Low voltage options
c Power supply for backup heater (in case of unit with integrated backup heater)
Wiring for backup heater kit (in case of external backup heater kit)
d Unit power supply
4 Connect the wires to the appropriate terminals, and fix the cables with cable
ties.
This topic describes 2 possible ways to connect the main power supply:
▪ In case of normal kWh rate power supply
▪ In case of preferential kWh rate power supply
In case of normal kWh rate power supply
Normal kWh rate
power supply
—
1 Open the service cover. See
2 Connect as follows (1N~or 3N~ depending on model, see name plate):
b
b
c
d
Wires: 1N+GND, OR 3N+GND
Maximum running current: Refer to name plate on
unit.
"To open the outdoor
1N~ OR
Q1DI Q1DI
L N PE N L1
1N~, 50 Hz, 3N~, 50 Hz,
220-240 V AC 380-415 V AC
9 Electrical installation
|
4
unit" [ 72].
3N~
L2 L3 N PE
Installer reference guide
97