Overview Of Electrical Connections Except External Actuators - Daikin EBLA04E2V3 Installer's Reference Manual

9.1.5 Overview of electrical connections except external actuators

EBLA04~08E2V3+E23V3 + EDLA04~08E2V3+E23V3
Daikin Altherma 3 M
4P685228-1A – 2022.05
The hydro module of the outdoor unit is designed to receive an input signal by
which the unit switches into forced off mode. At that moment, the outdoor unit
compressor will not operate.
The wiring to the unit is different depending on whether the power supply is
interrupted or NOT.
This topic describes the following power supply layouts:
▪ Normal kWh rate power supply
▪ Preferential kWh rate power supply WITHOUT separate normal kWh rate power
supply
▪ Preferential kWh rate power supply WITH separate normal kWh rate power
supply
Normal kWh rate power supply
With integrated backup heater
0
0
58 0
1 5 0
a
b b
c d e
A
A Outdoor unit
B DHW tank
C External backup heater kit
a Electrical cabinet: Normal kWh rate power supply
b Overcurrent fuse
c Compressor module
d Hydro module
e Backup heater
f Booster heater
Preferential kWh rate power supply WITHOUT separate normal kWh rate power
supply
During preferential kWh rate power supply activation, power supply is NOT
interrupted. The compressor module of the outdoor unit is turned off by the
control.
Remark: The electricity company must always allow the power consumption of the
hydro module of the outdoor unit.
With integrated backup heater
0
0
58 0
1 5 0
a
S1S
b b
X5M/9+10
c d e
A
With external backup heater kit
b
f
B
With external backup heater kit
b
f
B
9 Electrical installation
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0
0
58 0
1 5 0
a
b b
c d f
A B
0
0
58 0
1 5 0
a
S1S
b b
X5M/9+10
c d f
A B
Installer reference guide
b
e
C
b
e
C
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