Checking And Cleaning The Air Supply Hose; Checking The Air Supply Dirt Trap - REMEHA Gas 320 Ace Service Manual

7 Maintenance
Fig.58 Gas control valve measuring points
P
3 2
2
7.3.4

Checking and cleaning the air supply hose

Fig.59 Cleaning the air supply hose
1
7.3.5

Checking the air supply dirt trap

Fig.60 Dirt trap
1
62
P1
AD-3001568-01
2
3
AD-0000535-01
2
AD-3001569-01
1. Set the boiler to full load.
2. Measure the gas inlet pressure via the measuring point P1 on the gas
pipe.
This gas inlet pressure should be at least 17 mbar.
3. Check the gas inlet pressure at measuring point 2 on the gas control
valve.
4. Compare the measured values with the values in the table.
Tab.80 Minimum gas inlet pressure values at gas control valve
measuring point 2
Gas 320 Ace
285
355
430
500
575
650
5. If the measured value is lower than the minimum value, clean or
replace the gas filter.
1. Disconnect the hose on the air box side by loosening the bayonet
fitting.
2. Check the hose for damage and pollution.
3. Remove the pollution from the hose with a cloth or soft brush.
4. Replace the hose if it is faulty and/or leaking.
If necessary, disconnect the air supply pipe or air inlet filter from the boiler
to access the dirt trap.
1. Visually inspect the dirt trap on the air supply side for soiling.
2. Remove coarse soiling and clean the trap with a vacuum cleaner or a
cloth.
Gas 620 Ace Minimum value
(mbar)
570 14
710 13
860 10
1000 10
1150 10
1300 10
7734325 - v.07 - 22092022