Daikin Altherma ERGA04E V3 Series - Connections to the Indoor Unit

9 | Electrical installation
Installer reference guide
117
ERGA04~08E + EHVH04+08SU18+23E
Daikin Altherma 3 R F
4P629090-1C – 2022.08
1 2 3
L N
L N PWR
12 3
3×
a
a Wire clamp
5 Reattach the switch box cover.
6 Reattach the refrigerant piping cover. Make sure the cables are routed under
the cover as shown:
7 Connect an earth leakage circuit breaker and fuse to the power supply line.
9.3 Connections to the indoor unit
Item Description
Power supply (main) See "9.3.1To connect the main power
supply"[4120].
Power supply (backup
heater)
See "9.3.2To connect the backup heater power
supply"[4122].
Shut-off valve See "9.3.3To connect the shut-off valve"[4124].
Electricity meters See "9.3.4To connect the electricity meters"[4125].
Domestic hot water pump See "9.3.5To connect the domestic hot water
pump"[4126].
Alarm output See "9.3.6To connect the alarm output"[4127].
Space cooling/heating
operation control
See "9.3.7To connect the space cooling/heating ON/
OFF output"[4128].
Changeover to external
heat source control
See "9.3.8To connect the changeover to external
heat source"[4129].