Daikin Altherma 3 H HT EPRA18DAV3, Руководство по установке для специалистов

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8 | Electrical installation
Installer reference guide
98
EPRA14~W1 + ETVH/9W(G)
Daikin Altherma 3 H HT F
4P587502-1B – 2020.12
8.3 Connections to the indoor unit
Item Description
Power supply (main) See "To connect the main power supply" [
4
101].
Power supply (backup
heater) See "To connect the backup heater power
supply" [
4
103].
Shut-off valve See "To connect the shut-off valve" [
4
105].
Electricity meters See "To connect the electricity meters" [
4
106].
Domestic hot water pump See "To connect the domestic hot water
pump" [
4
107].
Alarm output See "To connect the alarm output" [
4
108].
Space cooling/heating
operation control See "To connect the space cooling/heating ON/OFF
output" [
4
109].
Changeover to external
heat source control See "To connect the changeover to external heat
source" [
4
110].
Power consumption digital
inputs See "To connect the power consumption digital
inputs" [
4
111].
Safety thermostat See "To connect the safety thermostat (normally
closed contact)" [
4
112].
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