6 Electrical installation
Installation manual
26
ELSH/X(B)12P30+50E
Daikin Altherma 3 R MT ECH
₂
O
4P708484-1 – 2023.03
3
Fix the cable with cable ties to the cable tie mountings. General
information, see
"6.3.1 To connect the electrical wiring to the
22].
6.3.5
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.
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
"4.2.1 To open the indoor unit"
13]):
1
User interface panel
1
3
4
2
2
Switch box
3
Switch box cover
4
Top 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.
3
Fix the cable with cable ties to the cable tie mountings. General
information, see
"6.3.1 To connect the electrical wiring to the
6.3.6
To connect the electricity meters
Wires: 2 (per meter)×0.75 mm²
Electricity meters: 12 V DC pulse detection (voltage supplied
by PCB)
[9.A]
Energy metering
INFORMATION
In case of an electricity meter with transistor output, check
the polarity. The positive polarity MUST be connected to
X15M/5 and X15M/9; the negative polarity to X5M/5 and
X5M/3.
1
Open the following (see
"4.2.1 To open the indoor unit"
1
User interface panel
1
3
4
2
2
Switch box
3
Switch box cover
4
Top cover
2
Connect the electricity meters cable to the appropriate terminals
as shown in the illustration below.
