Third-Party Tank Requirements; Preparing Electrical Wiring; Overview Of Electrical Connections For External And Internal Actuators; Installation - Daikin Altherma EABH16DA6V Installation Manual

See the recommended procedure as described in
during commissioning" on page 20.
3.2.2

Third-party tank requirements

In case of a third-party tank, the tank shall adhere to the following
requirements:
▪ The heat exchanger coil of the tank is ≥1.8 m².
▪ The tank thermistor must be located above the heat exchanger
coil.
▪ The booster heater must be located above the heat exchanger
coil.
NOTICE
Performance data for third-party tanks CANNOT be
provided nor guaranteed.
NOTICE
When connecting a third-party tank, configure as EKHWS
tank type.
3.3

Preparing electrical wiring

3.3.1 Overview of electrical connections for
external and internal actuators
Item Description
Outdoor unit and indoor unit power supply
1 Power supply for
outdoor unit
2 Power supply and
interconnection cable to
indoor unit
3 Power supply for
backup heater
4 Preferential kWh rate
power supply (voltage
free contact)
5 Normal kWh rate power
supply
Optional equipment
6 3‑way valve
7 Power supply for
booster heater and
thermal protection
(from indoor unit)
8 Power supply for
booster heater (to
indoor unit)
9 Domestic hot water
tank thermistor
10 User interface used as
room thermostat
11 Room thermostat
12 Outdoor ambient
temperature sensor
13 Indoor ambient
temperature sensor
14 Heat pump convector
Field supplied components
15 Shut-off valve
EABH/X16DA+9W
Daikin Altherma – Low temperature split
4P556066-1 – 2018.10
"6.2 Checklist
Wires Maximum
running
current
(a)
2+GND
(g)
3
See table below. —
(e)
2
2 6.3 A
(b)
3 100 mA
(c)
4+GND
2+GND 13 A
(d)
2
(f)
2
(b)
3 or 4 100 mA
(b)
2
(b)
2
(b)
2 100 mA
(b)
2 100 mA
Item Description
16 Electricity meter
17 Domestic hot water
pump
18 Alarm output
19 Changeover to external
heat source control
20 Space cool/heat
operation control
21 Power consumption
digital inputs
22 Safety thermostat
(a) Refer to name plate on outdoor unit.
(b) Minimum cable section 0.75 mm².
(c) Cable section 2.5 mm².
(d) The thermistor and connection wire (12 m) are delivered
with the domestic hot water tank.
(e) Cable section 0.75 mm² till 1.25 mm²; maximum length:
50 m. Voltage-free contact shall ensure the minimum
applicable load of 15 V DC, 10 mA.
(f) Cable section 0.75 mm² till 1.25 mm²; maximum length:
500 m. Applicable for both single user interface and dual
user interface connection.
(g) Cable section 1.5 mm².
NOTICE
More technical specifications of the different connections
are indicated on the inside of the indoor unit.
Backup heater Power supply
type
*6V 1N~ 230 V (6V)
3~ 230 V (6T1)
*9W 3N~ 400 V
4

Installation

4.1

Opening the units

4.1.1

To open the indoor unit

1 Remove the front panel.
2
2 If you have to connect electrical wiring, remove the switch box
cover.
4 Installation
Wires Maximum
running
current
(b)
2 (per meter)
(b)
2
(b)
2
(b)
2
(b)
2
(b)
2 (per input
signal)
(e)
2
Required number of
conductors
2+GND
3+GND
4+GND
2
1
3
Installation manual
5