Daikin Altherma EHBH08DA6V7 - Page 96

7 | Installation
Installer reference guide
96
ERGA04~08DAV3(A) + EHBH/X04+08DA*V7
Daikin Altherma 3 R W
4P618958-1 – 2020.03
b
a
X2M X1M
X5M
d
b+ca
c
a, b, c Field wiring (see table below)
d Factory-mounted cable for power supply of backup heater
INFORMATION
When installing field supply or option cables, foresee sufficient cable length. This will
make it possible to open the switch box and gain access to other components during
service.
Routing Possible cables (depending on unit type and installed
options)
a
Low voltage
▪ Preferential power supply contact
▪ User interface used as room thermostat (option)
▪ Power consumption digital inputs (field supply)
▪ Outdoor ambient temperature sensor (option)
▪ Indoor ambient temperature sensor (option)
▪ Electrical meters (field supply)
▪ Safety thermostat (field supply)
b
High voltage power
supply
▪ Interconnection cable
▪ Normal kWh rate power supply
▪ Preferential kWh rate power supply
c
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
d
High voltage power
supply (factory-mounted
cable)
▪ Power supply for backup heater
CAUTION
Do NOT push or place redundant cable length in the unit.