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Electrical installation
Installer reference guide
116
EPRA14~18D + ETV23E
Daikin Altherma 3 H HT F
4P644738-1A – 2022.03
9.3 Connections to the indoor unit
Item
Description
Power supply (main)
"9.3.1 To connect the main power
119].
Power supply (backup
heater)
"9.3.2 To connect the backup heater power
121].
Shut-off valve
"9.3.3 To connect the shut-off valve"
Electricity meters
"9.3.4 To connect the electricity meters"
Domestic hot water pump
"9.3.5 To connect the domestic hot water
125].
Alarm output
"9.3.6 To connect the alarm output"
126].
Space cooling/heating
operation control
"9.3.7 To connect the space cooling/heating ON/
127].
Changeover to external
heat source control
"9.3.8 To connect the changeover to external
128].
Power consumption digital
inputs
"9.3.9 To connect the power consumption
Safety thermostat
"9.3.10 To connect the safety thermostat
130].
Smart Grid
"9.3.11 To connect a Smart Grid"
WLAN cartridge
"9.3.12 To connect the WLAN cartridge
Room thermostat (wired or
wireless)
See below table.
Wires: 0.75 mm²
Maximum running current: 100 mA
For the main zone:
▪
[2.9]
Control
▪
[2.A]
Ext thermostat type
For the additional zone:
▪
[3.A]
Ext thermostat type
▪
[3.9] (read-only)
Control
Summary of Contents for Altherma 3 H HT F
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