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Electrical installation
Installer reference guide
111
ERGA04~08EAV3(A) + EHBH/X04+08EA/EJ6V+9W
Daikin Altherma 3 R W
4P629085-1 – 2020.08
Model (power supply)
Connections to backup heater power supply
*9W (3N~ 400 V)
3N~, 50 Hz
400 V AC
SWB
Q1DI
L1 L2 L3 N
1
2
3
4
5
6
7
8
F1B
I
I
I
I
X6M
2
1
K5M
4
3
6
5
14
13
BRN
GRY
BLK
BLU
NOTICE
Do NOT cut or remove the backup heater power supply cable.
9.3.3 To connect the shut-off valve
INFORMATION
Shut-off valve usage example.
In case of one LWT zone, and a combination of
underfloor heating and heat pump convectors, install a shut-off valve before the
underfloor heating to prevent condensation on the floor during cooling operation.
For more information, see the installer reference guide.
Wires: 2×0.75 mm²
Maximum running current: 100 mA
230 V AC supplied by PCB
[2.D]
Shut off valve
1
Open the following (see
"7.2.4 To open the indoor unit"
1
Front panel
1
2
3
2
Switch box cover
3
Switch box
2
Connect the valve control cable to the appropriate terminals as shown in the
illustration below.
NOTICE
Wiring is different for a NC (normally closed) valve and a NO (normally open) valve.
