Daikin Altherma EBBH11DF6V - To Connect the Shut-Off Valve; To Connect the Electricity Meters; To Connect the Domestic Hot Water Pump

6 Electrical installation
Installation manual
22
EBBH/X11+16DF
Daikin Altherma 3 R W
4P643600-1B – 2021.10
NOTICE
Do NOT cut or remove the backup heater power supply
cable.
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13]):
1 Front panel
1
2
3
2 Switch box cover
3 Switch box
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.
B
C
A
A
B
C
A
A
M2S
NO
NC
C
5 6
X2M
C
21 28
X2M
C
5 6
X2M
C
21 29
X2M
B
X2M
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13]):
1 Front panel
1
2
3
2 Switch box cover
3 Switch box
2 Connect the electricity meters cable to the appropriate terminals
as shown in the illustration below.
B
C
A
A
6 5 4 3
S3SS2S
CB
X5M
34
X5M
6 5
3 Fix the cable with cable ties to the cable tie mountings.
6.3.5 To connect the domestic hot water pump
Wires: (2+GND)×0.75mm²
DHW pump output. Maximum load: 2A (inrush), 230VAC,
1A (continuous)
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