Daikin Altherma 3 H HT W - To Connect the Electricity Meters; To Connect the Domestic Hot Water Pump

5 Electrical installation
Installation manual
14
ETBH/X16DA6V+9W
Daikin Altherma 3 H HT W
4P586453-1B – 2020.01
3 Fix the cable with cable ties to the cable tie mountings.
5.3.4 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 "3.2.1To open the indoor unit"[45]):
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
5 63 4
X5M
X5M
3 Fix the cable with cable ties to the cable tie mountings.
5.3.5 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)
[9.2.2] DHW pump
[9.2.3] DHW pump schedule
1 Open the following (see "3.2.1To open the indoor unit"[45]):
1 Front panel
1
2
3
2 Switch box cover
3 Switch box
2 Connect the domestic hot water pump cable to the appropriate
terminals as shown in the illustration below.
B
C
A
A
1~
M
M2P
C
1 2
X2M
B
X2M
3 Fix the cable with cable ties to the cable tie mountings.
5.3.6 To connect the alarm output
Wires: (2+1)×0.75mm²
Maximum load: 0.3A, 250VAC
[9.D] Alarm output
1 Open the following (see "3.2.1To open the indoor unit"[45]):
1 Front panel
1
2
3
2 Switch box cover
3 Switch box
2 Connect the alarm output cable to the appropriate terminals as
shown in the illustration below.