Daikin R2TND012A4AA [24/28] Commissioning
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Daikin R2TND012A4AA [24/28] Commissioning

Daikin R2TND012A4AA [24/28] Commissioning
5 Commissioning
Installation manual
24
R2CND024A4AA + R2TND012~024A4AA
Wall-mounted condensing boiler
3P469346-4E – 2017.07
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 have access to servicing
parameters. The passwords needed to access service
parameters are written in servicing instructions.
5 Commissioning
WARNING
Only qualified persons should conduct commissioning.
CAUTION
Preliminary electrical system checks such as earth
continuity, polarity, resistance to earth and short circuit
must be carried out by using a suitable test meter by a
competent person.
5.1 To fill the condensate trap
INFORMATION
Water must be poured into the inner tube.
Fill the condensate trap by pouring 0.2litres of water from the boiler
flue outlet.
5.2 Gas-air ratio: No need to adjust
The installer does not have to adjust the gas-air ratio, because the
boiler has an electronic gas adaptive feature.
5.3 To check for gas leakage
DANGER
Before passing next steps, this control must be fulfilled.
1 Before connecting the unit to power mains, close valves 1, 2
and 3.
2 Connect a manometer to gas counter.
3 Open valves 1, 2 and 3.
4 Close valve 1.
5 Note the manometer measurement and wait for 10minutes.
6 After 10 minutes, compare the manometer measurement with
the initial value. If the pressure is decreased, it means there is
gas leakage. Check the gas line and fittings.
7 Repeat this process until being sure that there is no leakage.
8 Close valve 1, remove the manometer and open valve 1 again.
1 2
3
5.4 To commission the unit
Legend - User interface:

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