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

9.3 Connections to the indoor unit

EPRA08~12EAV3+W1 + ETVZ12S18+23EA6V+9W
Daikin Altherma 3 H MT F
4P634887-1 – 2021.03
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
WLAN cartridge
Room thermostat (wired or
wireless)
9
Description
See "9.3.1 To connect the main power
4
supply" [ 97].
See "9.3.2 To connect the backup heater power
4
supply" [ 99].
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" [ 104].
See "9.3.6 To connect the alarm
See "9.3.7 To connect the space cooling/heating ON/
4
OFF output" [ 106].
See "9.3.8 To connect the changeover to external
4
heat source" [ 107].
See "9.3.9 To connect the power consumption
4
digital inputs" [ 108].
See "9.3.10 To connect the safety thermostat
(normally closed contact)" [
See "9.3.11 To connect a Smart
See "9.3.12 To connect the WLAN cartridge
(delivered as accessory)" [
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
Electrical installation
|
4
valve" [ 102].
4
meters" [ 103].
4
output" [ 105].
4 109].
4
Grid" [ 111].
4
115].
Installer reference guide
95