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Les langues disponibles
Les langues disponibles
Router
In case of connection problems, the router can give information
about the devices connected and the corresponding IP addresses.
Also check on the router if DHCP is enabled.
Error codes
Following errors displayed on the app are hampering the proper
operation of the adapter.
Error Code
Description
U4-65
Connection with the boiler or the connection
between boiler and Remote Control is lost.
H9-01
Connection with the outdoor sensor is lost.
4.9
To fill the system with water
CAUTION
Water filling must be done while the boiler is in standby
mode.
Method 2
(For model D2C20ND028A5AA and D2C24ND035A5AA)
E
D
F
B
1
2
4
3
a
Use a disconnector or a double check valve according to
local regulations.
After all system connections are performed with care, perform the
following steps:
1 Connect the appliance to the main power supply. Due to low
pressure, error code "Err HJ-09" will appear on the user
interface and the status indicator light will be red.
2 Open all radiator valves.
3 Set all isolating valves to closed position.
4 Connect the filling loop to the valve 7 and valve 8.
5 Set valves 1, 3, 5, 6 and 8 to open position.
6 Slowly open the valve 7 until pressure reaches a value around
0.8 bar for system heights up to 6 metres. For longer system
heights, see
"4.5 Central heating system requirements" on
page 10
to determine filling pressure. Filling operation should
be done slowly. When pressure exceeds 0.8 bar, error code will
disappear and the status indicator light will turn to blue. Turn
the valve 7 off.
7 You can monitor the system pressure value from the user
interface.
8 Make sure the automatic air vent valves located on the pump
and heat exchanger are opened. Vent the air from the
installation with the manual air vent screws on the radiators.
Make sure screws are tightened after venting.
9 If after the venting the pressure decreases below 0.8 bar, refill
with water until the pressure reaches 0.8 bar again.
D2C20ND028A5AA + D2C24ND035A5AA
Wall-mounted condensing boiler
3P469346-10J – 2018.05
A
5
7
8
a
6
10 Set valve 8 to off position. Remove the filling loop if it is
required by local regulations.
11 Check the central heating circuit - especially the couplings of
the circuit - for leakage.
12 Isolate the boiler from power mains.
4.10
Converting for use with a different
type of gas
WARNING
Gas conversion operation can only be carried out by
qualified competent persons.
DANGER
Isolate the boiler from the power mains before gas
conversion operation.
4.10.1
To convert the system for use with a
different type of gas
1 Open the front cover of the unit as described in this manual.
2 To set natural gas, adjust screw on the gas valve to position "1".
3 To set LPG, adjust the screw to position "2".
4 Mount the front cover, connect the unit to the main power
supply.
4.10.2
To modify settings for gas conversion
1 Enter the menu section from the user interface. Select service
settings by using the left dial.
2 Press the "Enter" button and choose the password by using the
right dial and press the "Enter" button again.
3 Choose "C" parameters via left dial and press the "Enter"
button.
4 Choose "CE" and press the "Enter" button. It will ask for
password again. Choose the password and press the "Enter"
button.
5 Choose "C0" and press the "Enter" button.
6 To convert to LPG, choose "1" with the right dial and press the
"Enter" button, To convert to Natural gas, choose "0" with the
right dial and press the "Enter" button.
7 Leave the menu screen and go back to the home screen by
using the "Back" button.
INFORMATION
Only
qualified
persons
parameters. The passwords needed to access service
parameters are written in servicing instructions.
INFORMATION
When a conversion is performed, the identification label
shall be marked to show the gas type in use.
4 Installation
have
access
to
servicing
Installation manual
23
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