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7 Installation
Installer reference guide
47
ERHQ+ERLQ011~016 + 16CBV
Daikin Altherma – Low temperature split
4P449970-1 – 2016.06
X1M
X2M
29
X1M
YC
Y1
Y2
Y3
Y4
A4P
X2M
a
a
Installation of EKRP1HB is required.
2
Fix the cable with cable ties to the cable tie mountings.
7.10.16 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
X1M
X3 X4
A4P
L N
X2M
X1 X2
a
a
Installation of EKRP1HB is required.
2
Fix the cable with cable ties to the cable tie mountings.
7.10.17 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
1
23
4
5
A8P
X801M
S6S
S7S
S8S
S9S
a
a
Installation of EKRP1AHTA is required.
2
Fix the cable with cable ties to the cable tie mountings.
7.10.18 To connect the safety thermostat (normal
closed contact)
1
Connect the safety thermostat (normal closed) cable to the
appropriate terminals as shown in the illustration below.
3 4
X5M
2
Fix the cable with cable ties to the cable tie mountings.
INFORMATION
After it is installed, do NOT forget to configure the safety
thermostat. Without configuration, the indoor unit will
ignore the safety thermostat contact.
INFORMATION
The preferential kWh rate power supply contact is
connected to the same terminals (X5M/3+4) as the safety
thermostat. It is only possible for the system to have
EITHER preferential kWh rate power supply OR a safety
thermostat.
7.10.19 To connect the electrical wiring on the
backup heater
Routing
Cables
a
Low voltage
Interconnection cable (backup heater thermistor)
b
High
voltage
▪ Backup heater power supply
▪ Interconnection cable (backup heater thermal
pro backup heater connection)
1
Insert the wiring from the bottom of the backup heater.
2
Inside the backup heater, route the wiring as follows:
Backup heater
type
Routing
*6W
a
b
a
Low voltage wiring
b
High voltage wiring
3
Fix the wiring with cable ties to the cable tie mountings.
NOTICE
The distance between the high voltage and low voltage
cables should be at least 50 mm.