Daikin Altherma 3 H HT EPRA14DAW1, Installer'S Reference Manual

Page: 99 / 260

8 | Electrical installation
Installer reference guide
99
EPRA14~W1 + ETVH/9W(G)
Daikin Altherma 3 H HT F
4P587502-1A – 2020.01
8.3 Connections to the indoor unit
Item Description
Power supply (main) See "8.3.1 To connect the main power
supply" [
4
102].
Power supply (backup
heater) See "8.3.2 To connect the backup heater power
supply" [
4
104].
Shut-off valve See "8.3.3 To connect the shut-off valve" [ 4 106].
Electricity meters See "8.3.4 To connect the electricity meters" [
4
107].
Domestic hot water pump See "8.3.5 To connect the domestic hot water
pump" [ 4 108].
Alarm output See "8.3.6 To connect the alarm output" [
4
109].
Space cooling/heating
operation control See "8.3.7 To connect the space cooling/heating ON/
OFF output" [
4
110].
Changeover to external
heat source control See "8.3.8 To connect the changeover to external
heat source" [ 4 111].
Power consumption digital
inputs See "8.3.9 To connect the power consumption
digital inputs" [
4
112].
Safety thermostat See "8.3.10 To connect the safety thermostat
(normally closed contact)" [
4
113].
Room thermostat (wired or
wireless) See:
▪ Installation manual of the wireless room
thermostat
▪ Installation manual of the wired room
thermostat (digital or analogue) + multi-
zoning base unit
- Connection of the wired room thermostat
(digital or analogue) to the multi-zoning
base unit
- Connection of the multi-zoning base unit
to the indoor unit
- For cooling/heating operation, you also
need option EKRELAY1
▪ 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