Standard Inspection And Maintenance Operations; Checking The Combustion; Venting The Heating System - REMEHA GAS 120 ACE Series User Manual

10.3

Standard inspection and maintenance operations

Fig.62
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2
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B
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10.3.1
Combustion is checked by measuring the O
discharge pipe.
10.3.2
Any air in the boiler, pipes or valves must be vented in order to prevent
annoying noises that may be generated during heating or when drawing
water.
1. Open the valves of all the radiators and/or underfloor heating circuits
2. Set the room thermostat to the highest possible temperature.
3. Wait until the radiators are warm.
4. Shut down the boiler.
5. Wait approximately 10 minutes, until the radiators feel cold.
6. Bleed the radiators. Work from the lowest to the highest.
7. Open the venting valve with the bleed key, keeping a cloth pressed
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8. Wait until water comes out of the venting valve and then close the
9. Start the boiler.
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10. After venting, check that the water pressure in the system is still
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11. Adjust the room thermostat or temperature control.
C
A
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MW-2000560-1

Checking the combustion

For more information, see
Checking/adjusting the combustion, page 36
Performing the full load test, page 36
Control and setting values for O2 at full load, page 36
Performing the part load test, page 37
Control and setting values for O2 at part load, page 37

Venting the heating system

connected to the system.
against the vent.
Warning
The water may still be hot.
venting valve.
Important
After the power is switched on, the boiler always runs through an
automatic venting program lasting approx. 3 minutes.
adequate. If necessary, top up the water level in the heating system
percentage in the flue gas
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MID _HMI T-control - Gas 120 ACE
10 Maintenance
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