Overview Of Electrical Connections Except External Actuators - Daikin ETSXB16E Installer's Reference Manual

9.1.5 Overview of electrical connections except external actuators

EPRA14~18D + ETSH/X(B)16P30+50E
Daikin Altherma 3 H HT ECH₂O
4P679467-1C – 2023.07
NOTICE
Unlike to other indoor unit model types, Daikin Altherma 3 * ECH₂O always needs a
dedicated power supply for the indoor unit. It is NOT possible to use the
interconnection cable as power supply for the indoor unit.
Normal power supply
a
0
0
58 0
1 5 0
3 1
5
2
a Normal power supply
b Preferential kWh rate power supply
1 Power supply for outdoor unit
2 Interconnection cable to indoor unit
3 Power supply for backup heater (optional)
4 Preferential kWh rate power supply (voltage free contact)
5 Power supply for indoor unit
Preferential kWh rate power supply
Power supply is NOT
interrupted
b
0
0
58 0
1 5 0
3 1
5
4
2
During preferential kWh
rate power supply
activation, power supply
is NOT interrupted. The
outdoor unit is turned off
by the control.
Remark: The electricity
company must always
allow the power
consumption of the
indoor unit.
9 Electrical installation
|
Power supply is
interrupted
a
b
0 0
0 0
58 0 58 0
1 5 0 1 5 0
5 3 4
2
During preferential kWh
rate power supply
activation, power supply
is interrupted
immediately or after
some time by the
electricity company. In
this case, the indoor unit
must be powered by a
separate normal power
supply.
Installer reference guide
1
107