9 | Electrical installation
Installer reference guide
122
ERGA04~08EA + EHVH04+08SU18+23EA
Daikin Altherma 3 R F
4P629090-1A – 2021.11
In case of… See…
Wireless room thermostat â–ª Installation manual of the wireless room
thermostat
â–ª Addendum book for optional equipment
Wired room thermostat
without multi-zoning base unit
â–ª Installation manual of the wired room
thermostat
â–ª Addendum book for optional equipment
Wired room thermostat with
multi-zoning base unit
â–ª Installation manual of the wired room
thermostat (digital or analogue) + multi-zoning
base unit
â–ª Addendum book for optional equipment
â–ª In this case:
- You need to connect the wired room
thermostat (digital or analogue) to the
multi-zoning base unit
- You need to connect the multi-zoning base
unit to the outdoor unit
- For cooling/heating operation, you also
need to implement a relay (field supply, see
addendum book for optional equipment)
9.3.1 To connect the main power supply
1 Open the following (see "7.2.4To open the indoor unit"[473]):
1 Top panel
2 User interface panel
3 Upper switch box cover
2 Connect the main power supply.
In case of normal kWh rate power supply
Interconnection cable
(=main power supply)
Wires: (3+GND)×1.5mm²
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