To Connect The Main Power Supply; To Connect The Backup Heater Power Supply - Daikin Altherma ERLQ004CAV3 Installer's Reference Manual

Routing
Possible cables (depending on unit type and installed options)
c ▪ Preferential power supply contact
High voltage control signal ▪ Heat pump convector (option)
▪ Room thermostat (option)
▪ Shut­off valve (field supply)
▪ Domestic hot water pump (field supply)
▪ Alarm output
▪ Changeover to external heat source control
▪ Space heat operation control
CAUTION
Do NOT push or place redundant cable length in the unit.
7.6.4
To connect the main power supply
1 Connect the main power supply.
In case of normal kWh rate power supply
X5M
X6YB
X2M
30 31
X6Y
X6YA
X1M
a
1 2 3
1 2 3
Legend: see illustration below.
In case of preferential kWh rate power supply
X5M
X6Y
3 4
X6YB
X2M
30 31
X6YA
X1M
c b a
L N 1 2 3
L N 1 2 3
S1S
2 Fix the cable with cable ties to the cable tie mountings.
ERLQ004~008CA + EHVH04+08S18CA3VF
Daikin Altherma low temperature split
4P366226­1 – 2014.01
X1A X19A
X1A X19A
INFORMATION
In case of preferential kWh rate power supply, the
necessity of separate normal kWh rate power supply to
indoor unit (b) X2M30/31 depends on the type of
preferential kWh rate power supply.
Separate connection to the indoor unit is required:
▪ if preferential kWh rate power supply is interrupted when
active, OR
▪ if no power consumption of the indoor unit is allowed at
the preferential kWh rate power supply when active.
7.6.5
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.
Backup
Backup heater
type heater
capacity
*3V 3 kW
1 Connect the backup heater power supply. Use a single pole
fuse for F1B.
Backup heater Connections to
type
backup heater power
supply
F1B
3 kW 1~ 230 V
(*3V)
L N L N
Special remark for fuses:
7 Installation
Maximum
Power supply
running current
1~ 230 V 13 A
Connections to
terminals
—
Installer reference guide
37