Napoleon BGNV42N Installation And Operation Instructions Manual page 14

14
SYMPTOM
Flames are consist- Unit is over-fi red or under-fi red.
ently too large or too
small. Carboning oc-
curs.
Carbon is being de- Air shutter has become blocked
posited on glass, logs
Flame is impinging on the logs
or combustion cham-
or combustion chamber.
ber surfaces.
W h i t e / g r e y f i l m Sulphur from fuel is being depos-
forms. ited on glass, logs or combustion
chamber surfaces.
E x h a u s t f u m e s
Fireplace is spilling.
s m e l l e d i n r o o m ,
headaches.
Main burner fl ame is Not enough combustion air
a blue, lazy, transpar-
ent fl ame.
Remote wall switch is Wall switch is mounted upside
in "OFF" position; main down
burner comes on when
Remote wall switch is ground-
gas knob is turned to
ing.
"ON" position.
Remote wall switch wire is
grounding.
Faulty valve.
W415-0377 / E / 11.26.07
PROBLEM
- check pressure readings:
Inlet pressure can be checked by turning screw (A) counter-clockwise 2 or 3
turns and then placing pressure gauge tubing over the test point. Gauge should
read 7" (minimum 4.5") water column for natural gas or 13" (11" minimum) water
column for propane. Check that main burner is operating on "HI".
Outlet pressure can be checked the same as above using screw (B). Gauge
should read 3.5" water column for natural gas or 10" water column for propane.
Check that main burner is operating on "HI".
AFTER TAKING PRESSURE READINGS, BE SURE TO TURN SCREWS
CLOCKWISE FIRMLY TO RESEAL. DO NOT OVERTORQUE.
Leak test with a soap and water solution.
- ensure air shutter opening is free of lint or other obstructions.
- check that the logs are correctly positioned.
- open air shutter to increase the primary air.
- check the input rate: check the manifold pressure and orifi ce size as specifi ed
by the rating plate values.
- check to ensure proper venting action
- clean the glass with a recommended gas fi replace glass cleaner. DO NOT
CLEAN GLASS WHEN HOT.
If deposits are not cleaned off regularly, the glass may become permanently
marked.
- check for chimney blockage
- check that chimney is installed to building code.
- room is in negative pressure; increase fresh air supply.
- room is in negative pressure; increase fresh air supply
- reverse.
- replace.
- check for ground (short); repair ground or replace wire.
- replace.
TEST SOLUTION