Daikin Altherma EABH16DA6V - Third-Party Tank Requirements; Preparing Electrical Wiring; Overview of Electrical Connections for External and Internal Actuators; 4 Installation

4 Installation
Installation manual
5
EABH/X16DA+9W
Daikin Altherma – Low temperature split
4P556066-1 – 2018.10
See the recommended procedure as described in "6.2 Checklist
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 Wires Maximum
running
current
Outdoor unit and indoor unit power supply
1 Power supply for
outdoor unit
2+GND
(a)
2 Power supply and
interconnection cable to
indoor unit
3
(g)
3 Power supply for
backup heater
See table below. —
4 Preferential kWh rate
power supply (voltage
free contact)
2
(e)
5 Normal kWh rate power
supply
2 6.3A
Optional equipment
6 3‑way valve 3 100mA
(b)
7 Power supply for
booster heater and
thermal protection
(from indoor unit)
4+GND
(c)
8 Power supply for
booster heater (to
indoor unit)
2+GND 13A
9 Domestic hot water
tank thermistor
2
(d)
10 User interface used as
room thermostat
2
(f)
11 Room thermostat 3 or 4 100mA
(b)
12 Outdoor ambient
temperature sensor
2
(b)
13 Indoor ambient
temperature sensor
2
(b)
14 Heat pump convector 2 100mA
(b)
Field supplied components
15 Shut-off valve 2 100mA
(b)
Item Description Wires Maximum
running
current
16 Electricity meter 2 (per meter)
(b)
17 Domestic hot water
pump
2
(b)
18 Alarm output 2
(b)
19 Changeover to external
heat source control
2
(b)
20 Space cool/heat
operation control
2
(b)
21 Power consumption
digital inputs
2 (per input
signal)
(b)
22 Safety thermostat 2
(e)
(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
type
Power supply Required number of
conductors
*6V 1N~ 230V (6V) 2+GND
3~ 230V (6T1) 3+GND
*9W 3N~ 400V 4+GND
4 Installation
4.1 Opening the units
4.1.1 To open the indoor unit
1 Remove the front panel.
2
2
1
3
2 If you have to connect electrical wiring, remove the switch box
cover.