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4 Installation
Installation manual
12
EHBH/X04+08DA
Daikin Altherma 3 R W
4P495266-1D – 2019.10
NOTICE
Do NOT cut or remove the backup heater power supply
cable.
4.5.5
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.
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.
X2M
X1M
X2M
X1M
NO
NC
M2S
M2S
21 29
21 28
2
Fix the cable with cable ties to the cable tie mountings.
4.5.6
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.
X5M
S2S S3S
34
56
2
Fix the cable with cable ties to the cable tie mountings.
4.5.7
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.
X2M
X1M
1~
M
M2P
1 2
2
Fix the cable with cable ties to the cable tie mountings.
4.5.8
To connect the alarm output
1
Connect the alarm output cable to the appropriate terminals as
shown in the illustration below.
X5M
A4P
X1M
YC Y1
YC Y1
Y2 Y3 Y4
X2M
X1M
7 9
a
a
Installation of EKRP1HBAA is required.
2
Fix the cable with cable ties to the cable tie mountings.
4.5.9
To connect the space cooling/heating ON/
OFF output
1
Connect the space cooling/heating ON/OFF output cable to the
appropriate terminals as shown in the illustration below.
Summary of Contents for Altherma 3 R W EHB Series
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