Remeha Gas 350
14
11 MAINTENANCE
To maintain maximum efficiency it is essential to service
the boiler, check safety parameters and re-set combus-
tion once a year.
Normal Service Maintenance
-
Isolate power, controls and gas supply.
-
Remove front and top casings and flue hood covers.
-
Remove gas manifold.
-
Remove the burners and floor plates.
-
Clean the internal flue ways of the boiler.
-
Clean the floor underneath the boiler and boiler
room.
-
Clean the burners internally and externally using a
soft brush.
-
Clean the plates under the burners as well - they
must be fitted and in the correct place for the com-
bustion to be correct
-
Clean the gas train, ignition, pilot burner, ther-
mostats and wiring.
-
Check and reset/replace ignition electrode and ioni-
sation probe as found necessary.
- Re-assemble
boiler.
-
Check ignition and ionisation cables for connections
and continuity.
-
Restore power, controls and gas supply.
-
Check start program, ignition time and safety times.
-
Check flame protection and thermostats.
-
Check boiler input at 100% (full load) and 60% (part
load) load.
-
Carryout combustion efficiency test.
-
Check the boiler and immediate installation connec-
tions for water leaks (seals).
-
Check gas train and gas pipe for gas leaks.
-
Check flue connections.
-
Clean boiler casings.
-
Complete a commissioning report and fill in the boi-
ler logbook if available.
12 TROUBLE
SHOOTING
Timing diagram begin
duration
duration 2 end
Main gas valve VA2 (clamp 6)
37
14
50
Ionisation required
27
24
50
Ignition valve + VA1 (clamp 5)
17
34
50
Ignition (clamp 3)
7
19
26
Delay 2nd stage Tv2
17
2037
Safety time Ts
17
1027
Post ignition Tn
17
9
26
Pre-ignition time Tvz
7
10
17
False flame detection Tf
7
5
12
Waiting time Tw
2
5
7
Start up processor
0
2
2
0 5
1015
2025
3035
4045
50
Main gas valve VA2 (clamp 6)
Ionisation required
Ignition valve + VA1 (clamp 5)
Ignition (clamp 3)
Delay 2nd stage Tv2
Safety time Ts
Post ignition Tn
Pre-ignition time Tvz
False flame detection Tf
Waiting time Tw
Start up processor
seconds
fig. 10
Switch diagram
Содержание SEAGOLD 1A HR
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Страница 130: ...Remeha Gas 350 Atmospheric gas boiler 64 174 kW Technical information R e m e h a G a s 3 5 0 ...
Страница 154: ...9 9 5 Wiring diagram boiler Fig 06 Wiring diagram ...
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Страница 172: ...15 9 7 Wiring diagrams Fig 08 Electrical principle diagram 04 05F SC 00001 ...
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Страница 244: ...13 9 6 2 Complete instrument panel Fig 08 Scheme complete instrument panel For legend see page 12 ...
Страница 245: ...Remeha Gas 5c 5c Duo 14 9 7 Wiring diagram boiler Fig 09 Wiring diagram boiler For legend see page 12 ...
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