6 Electrical installation
Installation manual
17
EBLA04~E23V3 + EDLA04~E23V3
Daikin Altherma 3 M
4P685229-1A – 2022.05
Item
Description
(in case of DHW tank)
3‑way valve
See:
▪ Installation manual of the 3-way
valve
▪ Addendum
book
for
optional
equipment
Wires: 3×0.75 mm²
Maximum running current: 100 mA
[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
(12 m) are delivered with the domestic
hot water tank. A thermistor (30 m) is
optionally available.
[9.2]
Domestic hot water
(in case of DHW tank)
Power supply for
booster heater (from
outdoor unit to thermal
protector of booster
heater)
See:
▪ Installation manual of the domestic
hot water tank
▪ Addendum
book
for
optional
equipment
Wires: (2+GND)×2.5 mm²
[9.4]
Booster heater
(in case of DHW tank)
Power supply for
booster heater (from
mains to outdoor unit)
See:
▪ Installation manual of the domestic
hot water tank
▪ Addendum
book
for
optional
equipment
Wires: 2+GND
Maximum running current: 13 A
[9.4]
Booster heater
WLAN cartridge
See:
▪ Installation manual of the WLAN
cartridge
▪ Installer reference guide
—
[D]
Wireless gateway
Flow switch
See installation manual of the flow
switch
Wires: 2×0.5 mm²
—
Location extra components
The following illustration shows the location of the extra components
that you need to install on the outdoor unit when using certain option
kits.
c
f
a1
b
OR
e
d
a2
a
Accessories in standalone domestic hot water tank
(EKHWS*D* and EKHWSU*D*)
a1: Contactor
a2: Terminal block
b
Connection kit for third‑party tank with built‑in thermostat
(EKHY3PART2)
c
Flow switch (EKFLSW2)
d
Demand PCB (A8P: EKRP1AHTA)
e
Digital I/O PCB (A4P: EKRP1HBAA)
f
Smart grid relay kit (EKRELSG)
6.3.1
To connect the electrical wiring to the
outdoor unit
1
Open the service cover. See
11]. If necessary, rotate the switch box. See
11].
2
Insert the cables at the back of the unit, and route them through
the unit to the appropriate terminal blocks.
b
a
c
d
a
High voltage options
b
Low voltage options
c
Power supply for backup heater (in case of unit with
integrated backup heater)
Wiring for backup heater kit (in case of external backup
heater kit)
d
Unit power supply
3
Connect the wires to the appropriate terminals, and fix the
cables with cable ties.
6.3.2
To connect the main power supply
This topic describes 2 possible ways to connect the main power
supply:
▪ In case of normal kWh rate power supply
▪ In case of preferential kWh rate power supply
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