To Connect The Electrical Wiring On The Indoor Unit - Daikin Altherma EHVH08SU18CB6W Installer's Reference Manual

2
2×
3 Strip insulation (20 mm) from the wires.
a
a Strip wire end to this point
b Excessive strip length may cause electrical shock or
leakage.
4 Open the wire clamp.
5 Connect the interconnection cable and power supply as follows:
3×
1 2 3
6 Install the switch box cover.
7.9.6 To connect the electrical wiring on the
indoor unit
1 To open the indoor unit, see
page 30 and "7.2.4 To open the switch box cover of the indoor
unit" on page 31.
2 Wiring should enter the unit from the top:
a
3 Routing of the wiring inside the unit should be as follows:
ERLQ004~008CA + EHVH04+08SU18+26CB6W
Daikin Altherma – Low temperature split
4P449978-1B – 2018.07
1
b
"7.2.3 To open the indoor unit" on
b+c
b+c
a
4 Fix the cable with cable ties to the cable tie mountings to
ensure strain relief and to make sure that it does NOT come in
contact with the piping and sharp edges.
INFORMATION
To access the domestic hot water temperature sensor, the
switch box can be tilted. The switch box should NOT be
removed from the unit.
Routing Possible cables (depending on unit type
and installed options)
a ▪ Preferential power supply contact
Low voltage ▪ User interface
▪ Power consumption digital inputs (field
supply)
▪ Outdoor
(option)
▪ Indoor
(option)
▪ Electrical meters (field supply)
▪ Safety thermostat (field supply)
b ▪ Interconnection cable
High voltage power ▪ Normal kWh rate power supply
supply
▪ Preferential kWh rate power supply
▪ Power supply for backup heater
▪ Power supply for booster heater (in DHW
tank)
▪ Power supply for bottom plate heater
(option)
c ▪ Heat pump convector (option)
High voltage control ▪ Room thermostat (option)
signal
▪ Shut-off valve (field supply)
▪ Domestic hot water pump (field supply)
▪ Alarm output
▪ Changeover to external heat source
control
▪ Space heating operation control
CAUTION
Do NOT push or place redundant cable length in the unit.
7 Installation
ambient temperature sensor
ambient temperature sensor
Installer reference guide
43