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7 Installation
a
b+c
3 Routing of the wiring inside the unit should be as follows:
a
b+c
Routing
Possible cables (depending on unit type and installed options)
a
▪ User interface
Low voltage
▪ Power consumption digital inputs (field supply)
▪ Outdoor ambient temperature sensor (option)
▪ Indoor ambient temperature sensor (option)
▪ Electrical meters (field supply)
b
▪ Interconnection cable
High voltage power supply
▪ Normal kWh rate power supply
▪ Preferential kWh rate power supply
▪ Power supply for backup heater
▪ Power supply for bottom plate heater (option)
c
▪ Preferential power supply contact
High voltage control signal
▪ 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
▪ Space cool/heat operation control
CAUTION
Do NOT push or place redundant cable length in the unit.
Installer reference guide
36
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
Only applicable for indoor units with 260 liter tank. To
access the domestic hot water temperature sensor, the
switch box can be tilt. The switch box should NOT be
removed from the unit.
7.6.4
To connect the main power supply
ERLQ004~008CAV3 + EHVH/X04+08S18CA + EHVH/X08S26CA
Daikin Altherma - Low Temperature Split
4P313775-1C – 2012.11
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