Daikin ETVH16SU23EA6V [17/44] Electrical installation

Daikin ETVH16SU23EA6V [17/44] Electrical installation
6 Electrical installation
Installation manual
17
ETVH16SU18+23EA6V
Daikin Altherma 3 H HT F
4P644729-1 – 2021.02
6.3.3 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 "4.2.1To open the indoor unit"[47]):
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
B
A
B
21 28
X2M
B
21 29
X2M
NO
NC
3 Fix the cable with cable ties to the cable tie mountings.
6.3.4 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
X5M/6 and X5M/4; the negative polarity to X5M/5 and
X5M/3.
1 Open the following (see "4.2.1To open the indoor unit"[47]):
1 Top panel
1
2
3
2 User interface panel
3 Upper switch box cover
2 Connect the electricity meters cable to the appropriate terminals
as shown in the illustration below.
A
6543
S3S S2S
B
A
B
X5M
3 4 5 6
3 Fix the cable with cable ties to the cable tie mountings.

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