Connections To The Indoor Unit - Daikin EPRA10EAV3 Installer's Reference Manual

9.3 Connections to the indoor unit

EPRA08~12EAV3+W1 + ETSH/X(B)12P30+50EF
Daikin Altherma 3 H MT ECH₂O
4P663478-1B – 2022.07
Item
Power supply (main)
Power supply (backup
heater)
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
Solar input
DHW output
Room thermostat (wired or
wireless)
9
Description
See "9.3.2 To connect the main power
4
supply" [ 119].
See "9.3.3 To connect the backup heater power
4
supply" [ 121].
See "9.3.4 To connect the backup heater to the main
4
unit" [ 124].
See "9.3.5 To connect the shut-off
See "9.3.6 To connect the electricity
See "9.3.7 To connect the domestic hot water
4
pump" [ 127].
See "9.3.8 To connect the alarm
See "9.3.9 To connect the space cooling/heating ON/
4
OFF output" [ 129].
See "9.3.10 To connect the changeover to external
4
heat source" [ 130].
See "9.3.11 To connect the power consumption
digital inputs" [ 4 131].
See "9.3.12 To connect the safety thermostat
(normally closed contact)" [
See "9.3.13 To connect a Smart
See "9.3.14 To connect the WLAN cartridge
(delivered as accessory)" [
See "9.3.15 To connect the solar
See "9.3.16 To connect the DHW
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
Electrical installation
|
4
valve" [ 125].
4
meters" [ 126].
4
output" [ 128].
4
133].
4
Grid" [ 134].
4
139] .
4
input" [ 140].
4
output" [ 140].
Installer reference guide
115