Daikin ETVZ16S18EA6V, Installer'S Reference Manual

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9 | Electrical installation
Installer reference guide
101
EPRA14~W1 + ET9W
Daikin Altherma 3 H HT F
4P644739-1 – 2021.02
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 "7.2.5 To open the indoor unit" [
4
55]):
1 Top panel
1
2
3
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
M2S