Connections To The Indoor Unit - Daikin EPRA16DAW1 Installer's Reference Manual

8.3 Connections to the indoor unit

EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W
Daikin Altherma 3 H HT W
4P587501-1A – 2020.01
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
Room thermostat (wired or
wireless)
Description
See "8.3.1 To connect the main power
4
supply" [ 105].
See "8.3.2 To connect the backup heater power
4
supply" [ 107].
See "8.3.3 To connect the shut-off
See "8.3.4 To connect the electricity
See "8.3.5 To connect the domestic hot water
4
pump" [ 112].
See "8.3.6 To connect the alarm
See "8.3.7 To connect the space cooling/heating ON/
4
OFF output" [ 114].
See "8.3.8 To connect the changeover to external
4
heat source" [ 115].
See "8.3.9 To connect the power consumption
4
digital inputs" [ 116].
See "8.3.10 To connect the safety thermostat
(normally closed contact)" [
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
8 Electrical installation
|
4
valve" [ 110].
4
meters" [
4
output" [ 113].
4
117].
Installer reference guide
111].
101