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

8.3 Connections to the indoor unit

EPRA14~18DAV3+W1 + ETVH/X16S18+23DA6V+9W(G)
Daikin Altherma 3 H HT F
4P587502-1 – 2019.07
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" [ 101].
See "8.3.2 To connect the backup heater power
4
supply" [ 104].
See "8.3.3 To connect the shut-off valve (Heating/
4
Cooling)" [ 106].
See "8.3.4 To connect the electricity
See "8.3.5 To connect the domestic hot water
4
pump" [ 108].
See "8.3.6 To connect the alarm
See "8.3.7 To connect the space cooling/heating ON/
4
OFF output" [ 110].
See "8.3.8 To connect the changeover to external
4
heat source" [ 111].
See "8.3.9 To connect the power consumption
4
digital inputs" [ 112].
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
meters" [
4
output" [ 109].
4
113].
Installer reference guide
107].
99