Connecting The Electrical Wiring; About Electrical Compliance; To Connect The Electrical Wiring On The Indoor Unit - Daikin Altherma EHVH04S18CA3V Manuel D'installation

3 Installation
3.5

Connecting the electrical wiring

DANGER: RISK OF ELECTROCUTION

3.5.1 About electrical compliance

See To connect the backup heater power supply.
3.5.2 To connect the electrical wiring on the
indoor unit
1 To open the indoor unit, see To open the indoor unit and switch
box cover.
2 Wiring should enter the unit from the top:
a b+c
Routing Possible cables (depending on unit type and installed options)
a
Low voltage
b
High voltage power supply
c
High voltage control signal
3 Routing of the wiring inside the unit should be as follows:
a b+c
Installation manual
4
User interface
Power consumption digital inputs (field supply)
Outdoor ambient temperature sensor (option)
Indoor ambient temperature sensor (option)
Electrical meters (field supply)
Power consumption digital inputs (field supply)
Interconnection cable
Normal kWh rate power supply
Preferential kWh rate power supply
Power supply for backup heater
Power supply for bottom plate heater (option)
Preferential power supply contact
Heat pump convector (option)
Room thermostat (option)
Shut-off valve (field supply)
Domestic hot water pump (field supply)
Alarm output
Changeover to external heat source control
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.
CAUTION
Do NOT push or place redundant cable length in the unit.
EHVH/X04+08 + EHVH/X16
Daikin Altherma - Low Temperature Split
4P313772-1B – 2012.05