Connections To The Indoor Unit - Daikin Altherma 3 H HT W EPRA14DAV3 Installer's Reference Manual

9.3 Connections to the indoor unit

EPRA14~18DAV3+W1 + ETBH/X16EF6V+9W
Daikin Altherma 3 H HT W
4P644736-1 – 2021.02
Item
Power supply (main)
Power supply (backup
heater)
Shut-off valve
Electricity meters
Domestic hot water pump
Alarm output
Space cooling/heating
operation control
Changeover to external
heat source control
Power consumption digital
inputs
Safety thermostat
Smart Grid
Room thermostat (wired or
wireless)
Description
See "9.3.1 To connect the main power
4
supply" [ 110].
See "9.3.2 To connect the backup heater power
4
supply" [ 112].
See "9.3.3 To connect the shut-off
See "9.3.4 To connect the electricity
See "9.3.5 To connect the domestic hot water
4
pump" [ 117].
See "9.3.6 To connect the alarm
See "9.3.7 To connect the space cooling/heating ON/
4
OFF output" [ 119].
See "9.3.8 To connect the changeover to external
4
heat source" [ 120].
See "9.3.9 To connect the power consumption
4
digital inputs" [ 121].
See "9.3.10 To connect the safety thermostat
(normally closed contact)" [
See "9.3.11 To connect a Smart
See below table.
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
9 Electrical installation
|
4
valve" [ 115].
4
meters" [
4
output" [ 118].
4
122].
4
Grid" [ 123].
Installer reference guide
116].
107