Daikin ERLA03DAV3 - Connections to the Indoor Unit

9 | Electrical installation
Installer reference guide
91
ERLA03DAV3 + 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].