Installation; Opening The Units; To Open The Indoor Unit - Daikin Altherma 3 H W Installationsanleitung

4 Installation

Item Description
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

Overview
3
2
1
1
4
4
1 Front panel
2 Switch box cover
3 Switch box
4 User interface panel
Installation manual
6
Wires Maximum
running
current
(e)
2
Required number of
conductors
2+GND
3+GND
4+GND
Open
1 Remove the front panel.
2
2 If you have to connect electrical wiring, remove the switch box
cover.
3 If you have to do work behind the switch box, open the switch
box.
2×
4 If you have to do work behind the user interface panel or upload
new software into the user interface, open the user interface
panel.
2
1
3
4×
2
EABH/X16DF6V+9W
Daikin Altherma 3 H W
4P644479-1 – 2020.12