Before Commissioning; Commissioning Setup - Baxi LUNA DUO-TEC 1.70 User Manual

11.2 BEFORE COMMISSIONING

WARNING
Do not put the boiler into operation if the supplied gas is not in accordance with the approved gas types.
Preparing the boiler for commissioning:
• Check that the gas type supplied matches the data shown on the boiler's rating plate.
• Check the gas piping to ensure it is sized and installed correctly.
• Check the hydraulic system to ensure it is sized and installed correctly.
• Check the water pressure in the heating system.
• Check the electrical connections to the thermostat and the other external controls.
• Check any other connections to the boiler.
• Test the boiler at full load (high-fire). Check the gas/air ratio (O
• Test the boiler at part load (low-fire). Check the gas/air ratio (O
• Finalize any outstanding work.

11.3 COMMISSIONING SETUP

WARNING
Only a qualified professional may carry out the following operations.
WARNING
Ensure that the boiler is switched off.
• Open the main gas supply.
• Open the gas shutoff valve on the boiler.
• Unscrew the two screws located under the front panel a quarter turn and remove the panel.
• Tilt the control box forward by opening the holding clips located on each side of the boiler.
• Check the gas supply pressure at the pressure outlet Pi on the gas valve unit.
• Ensure all gas connections are tight.
• Pressure test the gas line; the test pressure must not exceed 0.87 psig/60 mbar. Purge the gas supply pipe within the boiler by
unscrewing the pressure outlet on the gas valve. Tighten the port when the pipe has been sufficiently purged.
• Check all gas connections in the boiler are tight.
• Check the condensate trap — this must be completely filled with clean water.
• Check that there are no leaks from any of the water connections.
• Check the electrical connections, particularly the ground.
• Check the electrical connections to the thermostat and the other external controls.
WARNING
The boiler comes set for natural gas; if propane is to be used, the gas valve must be adjusted before turning on the
boiler.
• Tilt the control box upwards again and fasten it using the clips located at the sides.
• Open the main gas supply.
• Open the gas shutoff valve on the boiler.
• Plug the boiler into an electrical socket.
• Turn on the boiler using the ON/OFF switch.
• Set the controls (thermostats, control system) so that they generate a call for heat.
• The start-up cycle begins, this cannot be interrupted. During the start-up cycle, the display shows the following information: A
short test where all segments of the display are visible.
•
Fxx : Software version.
Pxx : Parameter version. The version numbers are displayed alternately.
• An air purge cycle is then automatically carried out for 3 minutes.
7703477.01 (1-03/18)
/CO %), if necessary, adjust it.
2 2
/CO %), if necessary, adjust it.
2 2
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