Guidelines When Connecting The Electrical Wiring; Connections To The Indoor Unit - Daikin Altherma 3 R F Installation Manual

6.2 Guidelines when connecting the
electrical wiring
Tightening torques
Indoor unit:
Item
M4 (X1M, X2M, X5M)
M4 (earth)
6.3

Connections to the indoor unit

Item
Power supply (main) See "6.3.1 To connect the main power
supply" [ 4 12].
Power supply (backup See "6.3.2 To connect the backup heater
supply" [ 4 13].
heater) power
User interface See "6.3.3 To connect the user
interface" [ 4 14].
Shut-off valve See "6.3.4 To connect the shut-off
valve" [ 4 14].
Electricity meters See "6.3.5 To connect the electricity
meters" [ 4 15].
Domestic hot water See "6.3.6 To connect the domestic hot
pump" [ 4 15].
pump water
Alarm output See "6.3.7 To connect the alarm
output" [ 4 16].
Space cooling/heating See "6.3.8 To connect the space cooling/
operation control heating ON/OFF
Power consumption See "6.3.10 To connect the power
digital inputs consumption digital
Safety thermostat See "6.3.11 To connect the safety
thermostat (normally closed
contact)" [ 4 18].
Room thermostat See below table.
(wired or wireless)
Wires for wired room thermostat: (3
for cooling/heating operation; 2 for
heating only operation)×0.75 mm²
Wires for wireless room thermostat: (5
for cooling/heating operation; 4 for
heating only operation)×0.75 mm²
Maximum running current: 100 mA
For the main zone:
▪ [A.2.1.7] Unit control method
▪ [A.2.2.4] Contact type main
For the additional zone:
▪ [A.2.2.5] Contact type add.
EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596818-1D – 2021.10
Tightening torque (N•m)
1.2~1.5
1.2~1.5
Description
output" [ 4 16].
inputs" [ 4 17].
6 Electrical installation
Item
Heat pump convector There are different controllers and
setups possible for the heat pump
convectors.
For more information, see:
▪ Installation manual of the heat
▪ Installation manual of the heat
▪ Addendum
Wires: 4×0.75 mm²
Maximum running current: 100 mA
For the main zone:
▪ [A.2.1.7] Unit control method
▪ [A.2.2.4] Contact type main
For the additional zone:
▪ [A.2.2.5] Contact type add.
Remote outdoor See:
sensor
▪ Installation manual of the remote
▪ Addendum
Wires: 2×0.75 mm²
[A.2.2.B]=1 (External
sensor=Outdoor sensor)
[A.6.5] Ext amb. sensor offset
[A.6.4] Averaging time
Remote indoor sensor See:
▪ Installation manual of the remote
▪ Addendum
Wires: 2×0.75 mm²
[A.2.2.F.5]=2 (External
sensor=Room sensor)
[A.3.2.3] Ext. room sensor offset
LAN adapter See:
▪ Installation manual of the LAN
▪ Addendum
Wires: 2×(0.75~1.25 mm²). Must be
sheathed.
Maximum length: 200 m
See
requirements" [ 4 12].
for room thermostat (wired or wireless):
In case of...
Wireless room thermostat ▪ Installation manual of the wireless
room thermostat
▪ Addendum
equipment
Description
pump convectors
pump convector options
book for optional
equipment
outdoor sensor
book for optional
equipment
indoor sensor
book for optional
equipment
adapter
book for optional
equipment
"LAN adapter – System
See...
book for optional
Installation manual
11