Daikin Altherma EBLQ011CA3V3 - Connecting the Electrical Wiring; To Connect the Electrical Wiring on the Outdoor Unit; To Connect the Main Power Supply

4 Installation
Installation manual
10
EBLQ+EDLQ011~016CA3V3+W1
Daikin Altherma low temperature monobloc
4P537990-1 – 2018.05
If the temperature is higher than 30°C and the humidity is higher
than RH80%, the thickness of the insulation materials should be at
least 20 mm to prevent condensation on the surface of the
insulation.
During winter, protect the water piping and shut‑off valves against
freezing by adding heat tape (field supply). If the outdoor
temperature can drop below –20°C and no heat tape is used, it is
recommended to install the shut‑off valves indoors.
4.4 Connecting the electrical wiring
DANGER: RISK OF ELECTROCUTION
WARNING
ALWAYS use multicore cable for power supply cables.
4.4.1 To connect the electrical wiring on the
outdoor unit
1 Remove the switch box cover. See "4.1.1To open the outdoor
unit"on page6.
2 Insert the wiring at the back of the unit:
a
b
c
d
≥25 mm
a Low voltage cable
b High voltage cable
c Power supply cable
d Backup heater power supply cable
NOTICE
The distance between the high voltage and low voltage
cables should be at least 25mm.
Routing Possible cables (depends on the installed
options)
a
Low voltage
▪ User interface
▪ Interconnection cable to control box
EKCB07CAV3
▪ Remote outdoor sensor (option)
b
High voltage
▪ Normal kWh rate power supply
▪ Preferential kWh rate power supply
▪ Heat pump convector (option)
▪ Shut-off valve (field supply)
▪ Domestic hot water pump (field supply)
▪ Space heat/cool operation control
c
Main power supply
▪ Main power supply
d
Backup heater power
supply
▪ Backup heater power supply
3 Inside the unit, route the wiring as follows:
b
a
V3
b
a
W1
a Power supply cable
b Cable tie
4 Make sure that the cable does NOT come in contact with sharp
edges or hot gas piping.
5 Install the switch box cover.
INFORMATION
When installing field supply or option cables, foresee
sufficient cable length. This will make it possible to remove/
reposition the switch box and gain access to other
components during service.
CAUTION
Do NOT push or place redundant cable length in the unit.
4.4.2 To connect the main power supply
1 Connect the main power supply as follows: