Daikin EHFZ03S18DJ3V, Installer'S Reference Manual

Page: 91 / 212

9 | Electrical installation
Installer reference guide
91
ERLA EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1B – 2021.10
50 Hz
220-240 V
c d
f
a b e
a Interconnection cable
b Power supply cable
c Circuit breaker
d Residual current device
e Power supply
f Earth
3×
5 Tighten the terminal screws securely. We recommend using a Phillips
screwdriver.
9.3 Connections to the indoor unit
Item Description
Power supply (main) See "9.3.1 To connect the main power
supply" [
4
94].
Power supply (backup
heater) See "9.3.2 To connect the backup heater power
supply" [
4
96].
User interface See "9.3.3 To connect the user interface" [
4
97].
Shut-off valve See "9.3.4 To connect the shut-off valve" [ 4 99].
Electricity meters See "9.3.5 To connect the electricity meters" [
4
100].
Domestic hot water pump See "9.3.6 To connect the domestic hot water
pump" [ 4 101].
Alarm output See "9.3.7 To connect the alarm output" [
4
102].
Space cooling/heating
operation control See "9.3.8 To connect the space cooling/heating ON/
OFF output" [
4
103].
Power consumption digital
inputs See "9.3.10 To connect the power consumption
digital inputs" [ 4 105].
Safety thermostat See "9.3.11 To connect the safety thermostat
(normally closed contact)" [
4
106].