Connections To The Indoor Unit - Daikin ETVZ16S18EA6V Installer's Reference Manual

9 | Electrical installation

9.3 Connections to the indoor unit

Installer reference guide
94
Item
Power supply (main)
Power supply (backup
heater)
Shut-off valve
Electricity meters
Domestic hot water pump
Alarm output
Space 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" [ 97].
See "9.3.2 To connect the backup heater power
4
supply" [ 98].
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" [ 103].
See "9.3.6 To connect the alarm
See To connect the space heating ON/OFF output.
See "9.3.8 To connect the changeover to external
4
heat source" [ 106].
See "9.3.9 To connect the power consumption
4
digital inputs" [ 107].
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
EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W
4
valve" [ 101].
4
meters" [ 102].
4
output" [ 104].
4
108].
4
Grid" [ 110].
Daikin Altherma 3 H HT F
4P644739-1 – 2021.02