Connecting The Electrical Wiring; About Electrical Compliance; To Connect The Electrical Wiring On The Indoor Unit; To Connect The Main Power Supply - Daikin Altherma 3 H F EAVH16SU18DA6V Installation Manual

4.4

Connecting the electrical wiring

DANGER: RISK OF ELECTROCUTION
WARNING
ALWAYS use multicore cable for power supply cables.
4.4.1

About electrical compliance

Only for the backup heater of the indoor unit
See "4.4.4 To connect the backup heater power
4.4.2 To connect the electrical wiring on the
indoor unit
1 To open the indoor unit, see
unit" [ 4 6].
2 The wiring enters the unit from the top:
d b+c a
a, b, c Field wiring (see table below)
d Factory-mounted cable for power supply of backup heater
3 Routing of the wiring inside the unit should be as follows. Fix
the cable to the cable rail using cable ties:
4×
Routing Possible cables (depending on unit type
and installed options)
a ▪ Preferential power supply contact
Low voltage ▪ User interface (option)
▪ Power consumption digital inputs (field
supply)
▪ Outdoor
(option)
▪ Indoor
(option)
▪ Electrical meters (field supply)
▪ Safety thermostat (field supply)
EAVH16SU18+23DA6V
Daikin Altherma 3 H F
4P606486-1 – 2019.12
supply" [ 4 12].
"4.1.1 To open the indoor
b+c
a
ambient temperature sensor
ambient temperature sensor
Routing Possible cables (depending on unit type
and installed options)
b ▪ Interconnection cable
High voltage power ▪ Normal kWh rate power supply
supply
▪ Preferential kWh rate power supply
c ▪ Heat pump convector (option)
High voltage control ▪ Room thermostat (option)
signal
▪ Shut-off valve (field supply)
▪ Domestic hot water pump (field supply)
▪ Alarm output
▪ Changeover to external heat source
control
▪ Space cool/heat operation control
d ▪ Power supply for backup heater
High voltage power
supply (factory-
mounted cable)
CAUTION
Do NOT push or place redundant cable length in the unit.
4 Seal the low voltage wiring intake using the sealing tape
(delivered as accessory).
Without low voltage cables
4.4.3

To connect the main power supply

1 Connect the main power supply.
In case of normal kWh rate power supply
1 2 3
1 2 3
a
1 2 3
X11YA
X1M
X11YB
X11Y
X1A
a Interconnection cable (=main power supply)
4 Installation
With low voltage cables
X2M
X5M
Installation manual
11