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15 Technical data
Installer reference guide
95
ERLQ004~008CA + 08S18CA3VF
Daikin Altherma low temperature split
4P3662261 – 2014.01
Electrical specifications
EHVH04S1 EHVH08S18CA3VF
Backup heater (optional)
Type
3V
Capacity setting
3 kW
Capacity stages
1
Capacity stage 1
3 kW
Capacity stage 2
—
Minimum time delay between stages
See note 10.
Power supply
Phase
1~
Frequency
50 Hz
Voltage
230 V
Current
Running current backup heater
13 A
Voltage range
(4)
Minimum
207 V
Maximum
253 V
Wiring connections
For power supply backup heater
Quantity of wires
3G
Type of wires
(3)
Communication cable to outdoor unit
Quantity of wires
3
Type of wires
2.5 mm
2
User interface
Quantity of wires
2
Type of wires
0.75 mm
2
~1.25 mm
2
(maximum length 500 m)
Preferential kWh rate power supply
Quantity of wires
Power: 2
Signal: 2
Type of wires
Power: 6.3 A
(3)
Signal: 0.75 mm
2
~1.25 mm
2
(maximum length
50 m)
Electricity meter
Quantity of wires
2
Type of wires
Minimum 0.75 mm
2
(5 V DC pulse detection)
Domestic hot water pump
Quantity of wires
2
Type of wires
Minimum 0.75 mm
2
(2 A in rush, 1 A continuous)
For connection with R6T
Quantity of wires
2
Type of wires
Minimum 0.75 mm
2
For connection with A3P
Quantity of wires
Note
(6)
Type of wires
Note
(3)
and
Note
(5)
For connection with M2S
Quantity of wires
2
Type of wires
Note
(3)
and
Note
(5)
For connection with optional FWXV (demand input
and output)
Quantity of wires
4
Type of wires
100 mA, minimum 0.75 mm
2
(1)
Above mentioned power supply of the hydrobox is for the backup heater only. The switch box and pump of the hydrobox are supplied via the
outdoor unit.
(3)
Select diameter and type according to national and local regulations.
(4)
For more details of the voltage range and current refer to the installation manual.
(5)
Voltage: 230 V / maximum current: 100 mA / minimum 0.75 mm
2
(6)
Depends on thermostat type, refer to the installation manual.
Note 10: Backup heater (*3V), minimum time delay between stages.
1 min
10 min
a
b
t
a
Capacity
b
Stage 1
t
Time
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