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7 Installation
Installer reference guide
35
EPGA11~ EA9W
Daikin Altherma – Low temperature split
4P556075-1 – 2019.02
2
Fix the cable with cable ties to the cable tie mountings.
7.6.11
To connect the electrical meters
INFORMATION
In case of an electrical 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 electrical meters cable to the appropriate terminals
as shown in the illustration below.
X1M
X2M
X5M
S3S S2S
3456
2
Fix the cable with cable ties to the cable tie mountings.
7.6.12
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.
7.6.13
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 EKRP1HB 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.
7.6.14
To connect the space cooling/heating ON/
OFF output
7.6.15
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.
X1M
X2M
X5M
A5P
A4P
X1M
YC
Y1
Y2
Y3
Y4
X2 X1
X2M
X4 X3
N L
a
a
Installation of EKRP1HB is required.
2
Fix the cable with cable ties to the cable tie mountings.
7.6.16
To connect the power consumption digital
inputs
1
Connect the power consumption digital inputs cable to the
appropriate terminals as shown in the illustration below.
X1M
X2M
X5M
A8P
A5P
1
2
3
4
5
X801M
S6S
S7S
S8S
S9S
a
a
Installation of EKRP1AHTA is required.
2
Fix the cable with cable ties to the cable tie mountings.
7.6.17
To connect the safety thermostat (normal
closed contact)
Main zone
1
Connect the safety thermostat (normal closed) cable to the
appropriate terminals as shown in the illustration below.