To Connect The Shut-Off Valve - Daikin Altherma 3 R MT F Series Installer's Reference Manual

9.3.3 To connect the shut-off valve

ERRA08~12E + ELVZ12S18+23E
Daikin Altherma 3 R MT F
4P708478-1 – 2023.05
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 service cover. See
2 Open the following (see
1 Top panel
2 User interface panel
3 Upper switch box cover
3 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
"7.2.2 To open the outdoor
"7.2.6 To open the indoor
M2S
9 Electrical installation
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unit" [ 68]):
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Installer reference guide
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