6 | Preparation
Installer reference guide
64
ERGA04~08DAV3(A) + EHVH/X04+08S18+23DA/DJ3V+6V+9W7
Daikin Altherma 3 R F
4P618947-1 – 2020.03
Item Description Wires Maximum
running current
2 Power supply and
interconnection cable to
indoor unit
3
(f)
3 Power supply for backup
heater
See table below. —
4 Preferential kWh rate power
supply (voltage free contact)
2
(d)
5 Normal kWh rate power
supply
2 6.3A
Optional equipment
6 User interface used as room
thermostat
2
(e)
7 Room thermostat 3 or 4 100mA
(b)
8 Outdoor ambient
temperature sensor
2
(b)
9 Indoor ambient
temperature sensor
2
(b)
10 Heat pump convector 2 100mA
(b)
Field supplied components
11 Shut-off valve 2 100mA
(b)
12 Electricity meter 2 (per meter)
(b)
13 Domestic hot water pump 2
(b)
14 Alarm output 2
(b)
15 Changeover to external heat
source control
2
(b)
16 Space cool/heat operation
control
2
(b)
17 Power consumption digital
inputs
2 (per input signal)
(b)
18 Safety thermostat 2
(d)
(a) Refer to name plate on outdoor unit.
(b) Minimum cable section 0.75mm².
(c) Cable section 2.5mm².
(d) Cable section 0.75mm² till 1.25mm²; maximum length: 50m. Voltage-free contact
shall ensure the minimum applicable load of 15VDC, 10mA.
(e) Cable section 0.75mm² till 1.25mm²; maximum length: 500m.
(f) Cable section 1.5mm².
NOTICE
More technical specifications of the different connections are indicated on the inside
of the indoor unit.
Backup heater type Power supply Required number of conductors
*3V 1N~ 230V 2+GND