Daikin Altherma 3 H F - To Connect the Shut-Off Valve; To Connect the Electricity Meters; To Connect the Domestic Hot Water Pump; To Connect the Alarm Output

6 Electrical installation
Installation manual
14
EAVZ16S18+23DA6V(7)+9W
Daikin Altherma 3 H F
4P556073-1A – 2021.09
NOTICE
Do NOT cut or remove the backup heater power supply
cable.
6.3.5 To connect the shut-off valve
1 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.
X1M
X2M
X1M
X2M
NO
M2S
NC
M2S
21 28
21 29
2 Fix the cable with cable ties to the cable tie mountings.
6.3.6 To connect the electricity meters
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 Connect the electricity meters cable to the appropriate terminals
as shown in the illustration below.
X1M
X2M
X5M
S3S S2S
3
4
56
2 Fix the cable with cable ties to the cable tie mountings.
6.3.7 To connect the domestic hot water pump
1 Connect the domestic hot water pump cable to the appropriate
terminals as shown in the illustration below.
X1M
X2M
X5M
1~
M
M2P
1 2
2 Fix the cable with cable ties to the cable tie mountings.
6.3.8 To connect the alarm output
1 Connect the alarm output cable to the appropriate terminals as
shown in the illustration below.
X2M
X5M
X1M
A5P
A4P
YC Y1 Y2 Y3 Y4
X1M
Y1
YC
7 9
a
b
a Installation of EKRP1HBAA is required.
b Prewiring between X2M/7+9 and Q1L (=thermal
protector backup heater). Do NOT change.
2 Fix the cable with cable ties to the cable tie mountings.
6.3.9 To connect the space cooling/heating ON/
OFF output
INFORMATION
Cooling is only applicable in case a conversion kit
(EKHVCONV*) is installed.
1 Connect the space cooling/heating ON/OFF output cable to the
appropriate terminals as shown in the illustration below.
X2M
X5M
X1M
A5P
A4P
YC Y1 Y2 Y3 Y4
X2 X1
X2M
X1M
X4 X3
a
b
Y2
YC
7 9
a Installation of EKRP1HBAA is required.
b Prewiring between X2M/7+9 and Q1L (=thermal
protector backup heater). Do NOT change.
2 Fix the cable with cable ties to the cable tie mountings.
6.3.10 To connect the changeover to external
heat source
1 Connect the changeover to external heat source cable to the
appropriate terminals as shown in the illustration below.