Installation; Opening The Units; To Open The Indoor Unit - Daikin Altherma 3 H W Serie Manual De Instalación

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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.
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
2
EABH/X16DF6V+9W
Daikin Altherma 3 H W
4P644479-1 – 2020.12

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