Daikin Altherma 3 R F EHVZ04S18E 6V Series - Connections to the Indoor Unit

9 | Electrical installation
Installer reference guide
95
ERGA04~08EAV3(A) + EHVZ04+08S18+23EA6V+9W
Daikin Altherma 3 R F
4P629093-1 – 2020.08
9.3 Connections to the indoor unit
Item Description
Power supply (main) See "9.3.1To connect the main power
supply"[498].
Power supply (backup
heater)
See "9.3.2To connect the backup heater power
supply"[4100].
Shut-off valve See "9.3.3To connect the shut-off valve"[4102].
Electricity meters See "9.3.4To connect the electricity meters"[4103].
Domestic hot water pump See "9.3.5To connect the domestic hot water
pump"[4104].
Alarm output See "9.3.6To connect the alarm output"[4105].
Space heating operation
control
See To connect the space heating ON/OFF output.
Changeover to external
heat source control
See "9.3.7To connect the changeover to external
heat source"[4106].
Power consumption digital
inputs
See "9.3.8To connect the power consumption
digital inputs"[4107].
Safety thermostat See "9.3.9To connect the safety thermostat
(normally closed contact)"[4108].
Smart Grid See "9.3.10To connect a Smart Grid"[4110].
Room thermostat (wired or
wireless)
In case of wireless room thermostat, see:
▪ Installation manual of the wireless room
thermostat
▪ Addendum book for optional equipment
In case of wired room thermostat without
multi-zoning base unit, see:
▪ Installation manual of the wired room
thermostat
▪ Addendum book for optional equipment
Wires: 0.75mm²
Maximum running current: 100mA
For the main zone:
▪ [2.9] Control
▪ [2.A] Thermostat type
For the additional zone:
▪ [3.A] Thermostat type
▪ [3.9] (read-only) Control