Daikin Altherma 3 M - To Connect the Main Power Supply

9 | Electrical installation
Installer reference guide
97
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
4P620241-1 – 2020.06
a b
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.
b
c
a
d
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.
9.2.2 To connect the main power supply
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
Wires: 1N+GND, OR 3N+GND
Maximum running current: Refer to name plate on
unit.
—
1 Open the service cover. See "To open the outdoor unit"[472].
2 Connect as follows (1N~or 3N~ depending on model, see name plate):
NL N PE
Q1DI
X1M.L
X1M.L1 X1M.L2 X1M.L3 X1M.N
X1M.N X1M.
X1M.
L3L2L1 N PE
Q1DI
1N~ 3N~
OR
1N~, 50 Hz,
220-240 V AC
3N~, 50 Hz,
380-415 V AC