9 | Electrical installation
Installer reference guide
110
EPRA08~12EAV3+W1 + ETBH/X12EF6V+9W
Daikin Altherma 3 H MT W
4P634885-1 – 2021.03
Item Description
Human Comfort Interface See:
▪ Installation and operation manual of the
Human Comfort Interface
▪ Addendum book for optional equipment
Wires: 2×(0.75~1.25mm²)
Maximum length: 500m
[2.9] Control
[1.6] Room sensor offset
(in case of DHW tank)
3‑way valve
See:
▪ Installation manual of the 3-way valve
▪ Addendum book for optional equipment
Wires: 3×0.75mm²
Maximum running current: 100mA
[9.2] Domestic hot water
(in case of DHW tank)
Domestic hot water tank
thermistor
See:
▪ Installation manual of the domestic hot
water tank
▪ Addendum book for optional equipment
Wires: 2
The thermistor and connection wire (12m)
are delivered with the domestic hot water
tank.
[9.2] Domestic hot water
(in case of DHW tank)
Power supply for booster
heater (from indoor unit to
thermal protector of
booster heater)
See:
▪ Installation manual of the DHW tank
▪ Addendum book for optional equipment
Wires: (2+GND)×2.5mm²
[9.4] Booster heater
(in case of DHW tank)
Power supply for booster
heater (from mains to
indoor unit)
See:
▪ Installation manual of the domestic hot
water tank
▪ Addendum book for optional equipment
Wires: 2+GND
Maximum running current: 13A
[9.4] Booster heater