5 Electrical installation
Installation manual
14
ETBH/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"
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
S3S
S2S
C
B
5
6
3
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"
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"
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.
