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EHBH/X16
Daikin Altherma - Low Temperature Split
4P313776-1 – 2012.05
Installer reference guide
26
7 Installation
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.
7.4.3 To connect the main power supply
1
Connect the main power supply.
In case of normal kWh rate power supply
Legend: see illustration below.
In case of preferential kWh rate power supply
2
Fix the cable with cable ties to the cable tie mountings.
7.4.4 To connect the backup heater power supply
The backup heater capacity can vary, depending on the indoor unit
model. Make sure that the power supply is in accordance with the
backup heater capacity, as listed in the table below.
Routing
Possible cables (depending on unit type and installed options)
a
Low voltage
Q
User interface
Q
Domestic hot water tank thermistor (option)
Q
Power consumption digital inputs (field supply)
Q
Outdoor ambient temperature sensor (option)
Q
Indoor ambient temperature sensor (option)
Q
Electrical meters (field supply)
b
High voltage power supply
Q
Interconnection cable
Q
Normal kWh rate power supply
Q
Preferential kWh rate power supply
Q
Power supply for backup heater
Q
Power supply for bottom plate heater (option)
Q
Power supply for booster heater (to indoor unit)
Q
Power supply for booster heater and thermal protection (from indoor unit)
c
High voltage control signal
Q
Preferential power supply contact
Q
Heat pump convector (option)
Q
Room thermostat (option)
Q
3-way valve
Q
Shut-off valve (field supply)
Q
Domestic hot water pump (field supply)
Q
Alarm output
Q
Changeover to external heat source control
Q
Space heat/cool operation control
CAUTION
Do NOT push or place redundant cable length in the unit.
X1M
1 2 3
1 2 3
X2M
X5M
X6YB
X6YA
X6Y
X1A X19A
30 31
a
a
Interconnection cable (=main power supply)
b
Preferential kWh rate power supply
c
Preferential power supply contact
CAUTION
If the indoor unit has a tank with a built-in electrical booster
heater (EKHW*), use a dedicated power circuit for the
backup heater and booster heater. NEVER use a power
circuit shared by another appliance. This power circuit must
be protected with the required safety devices according to
the applicable legislation.
X1M
1 2 3
1 2
L N
L N
3
X2M
X5M
X6YB
X6YA
X6Y
X1A
X19A
S1S
30
31
3
4
a
b
c
Summary of Contents for ERHQ011BA
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