To Connect The Main Power Supply - Daikin EWAA0 DAV3P Series Installer's Reference Manual

9.2.2 To connect the main power supply

EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620242-1 – 2020.06
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
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
|
unit" [ 4 61].
3N~
L2 L3 N PE
Installer reference guide
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