Daikin Altherma 3 H HT EPRA16DAV3, Руководство по установке для специалистов

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8 | Electrical installation
Installer reference guide
99
EPRA14~W1 + ETBH/9W
Daikin Altherma 3 H HT W
4P587501-1B – 2020.10
8.3 Connections to the indoor unit
Item Description
Power supply (main) See "To connect the main power supply" [
4
102].
Power supply (backup
heater) See "To connect the backup heater power
supply" [
4
105].
Shut-off valve See "To connect the shut-off valve (Heating/
Cooling)" [ 4 107].
Electricity meters See "To connect the electricity meters" [
4
108].
Domestic hot water pump See "To connect the domestic hot water
pump" [ 4 109].
Alarm output See "To connect the alarm output" [
4
110].
Space cooling/heating
operation control See "To connect the space cooling/heating ON/OFF
output" [
4
111].
Changeover to external
heat source control See "To connect the changeover to external heat
source" [ 4 112].
Power consumption digital
inputs See "To connect the power consumption digital
inputs" [
4
113].
Safety thermostat See "To connect the safety thermostat (normally
closed contact)" [
4
114].
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