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4 Installation
Energy-related products (ErP) specifications
Domestic hot water parameters
Declared load profile
Daily electricity consumption
Annually electricity consumption
Water heating energy efficiency
Water heating energy efficiency class
Daily fuel consumption
Annual fuel consumption
(a)
High-temperature regime means 60°C return temperature at heater inlet and 80°C flow temperature at heater outlet.
(b)
Low temperature means for condensing boilers 30°C, for low-temperature boilers 37°C and for other heaters 50°C return temperature (at heater
inlet).
4
Installation
4.1
To open the unit
WARNING
Only qualified competent persons are allowed to open the
unit.
Certain actions explained in this document, such as gas conversion,
optional equipment connection, require that the front cover is
opened.
1 Loosen the screw that holds the right mounting clips (1).
2 Dismantle the two mounting clips that hold the front cover (2).
3 Remove the front cover forwards (3).
2
3
a
a
Front cover
Installation manual
8
Symbol
Unit
D2C20ND028A5AA D2C24ND035A5AA
—
—
Q
kWh
elec
AEC
kWh
η
%
wh
—
—
Q
kWh
fuel
AFC
GJ
4 Loosen the two screws of the control panel (4).
a
a
5 Pull the control panel forwards (5).
1
XL
0.153
0.204
33
44
84
83
A
23.25
30.26
18
23
Control panel
5
D2C20ND028A5AA + D2C24ND035A5AA
Wall-mounted condensing boiler
3P469346-10J – 2018.05
4
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