Table of Contents
9
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Electrical installation
9.3.3 To connect the shut-off valve
Installer reference guide
128
NOTICE
Do NOT cut or remove the backup heater power supply cable.
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.
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
1 Top panel
2 User interface panel
3 Upper switch box cover
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.
A
"7.2.4 To open the indoor
M2S
4
unit" [
77]):
1
3
2
ERLA11~16D + EBVH/X11+16S18+23D
Daikin Altherma 3 R F
4P643602-1B – 2022.05
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