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

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Electrical installation

8.3 Connections to the indoor unit

Installer reference guide
86
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" [
 88].
See
"8.3.2 To connect the backup heater power
4
supply" [
 91].
See
"8.3.3 To connect the shut-off valve (Heating/
4
Cooling)" [
 93].
See
"8.3.4 To connect the electricity
See
"8.3.5 To connect the domestic hot water
4
pump" [
 95].
See
"8.3.6 To connect the alarm
See
"8.3.7 To connect the space cooling/heating ON/
4
OFF
output" [
 97].
See
"8.3.8 To connect the changeover to external
4
heat
source" [
 98].
See
"8.3.9 To connect the power consumption
4
digital
inputs" [
 99].
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
EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W
4
meters" [
 94].
4
output" [
 96].
4
 100].
Daikin Altherma 3 H HT F
4P587503-1 – 2019.07

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