16

SYMPTOM PROBLEM

Pilot goes out while

Gas piping is undersized.

standing;

Main

 

 

burner is in 'OFF'

 

 

position.

 

 

 

Flames are con-

Unit is over-fired or under-

sistently too large

fired.

 

or too

small.

 

 

Carboning occurs.

B

A

OL

 

 

 

N

O

 

F

HI

O

F

 

 

P

 

 

TOLI

P

 

 

TOLI

 

 

TEST SOLUTION

-turn on all gas appliances and see if pilot flame flutters, diminishes or extinguishes, especially when main burner ignites. Monitor appli- ance supply working pressure.

-check if supply piping size is to code. Correct all undersized piping.

-check pressure readings:

Inlet pressure can be checked by turning screw (A) counter-clock- wise 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.

Carbon is being deposited on glass, logs or combustion chamber surfaces.

Air shutter has become

-

ensure air shutter opening is free of lint or other obstructions.

blocked

 

 

Flame is impinging on the

-

check that the logs are correctly positioned.

logs or combustion cham-

-

open air shutter to increase the primary air.

ber.

-

check the input rate: check the manifold pressure and orifice size

 

as specified by the rating plate values.

 

- check to ensure proper venting action

White / grey film Sulphur from fuel is being

forms.deposited on glass, logs or combustion chamber sur- faces.

-clean the glass with a recommended gas fireplace glass cleaner.

DO NOT CLEAN GLASS WHEN HOT.

If deposits are not cleaned off regularly, the glass may become per- manently marked.

Exhaust

fumes

Fireplace is spilling.

- check for chimney blockage

smelled in

room,

 

- check that chimney is installed to building code.

headaches.

 

 

- room is in negative pressure; increase fresh air supply.

 

 

 

Main burner flame

Not enough combustion air

- room is in negative pressure; increase fresh air supply

is a blue,

lazy,

 

 

transparent flame.

 

 

Remote wall switch is in "OFF" position; main burner comes on when gas knob is turned to "ON" position.

Wall switch is mounted up-

- reverse.

side down

 

Remote wall switch is

- replace.

grounding.

 

Remote wall switch wire is

- check for ground (short); repair ground or replace wire.

grounding.

 

Faulty valve.

- replace.

W415-0377 / C / 09.23.05

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Napoleon Fireplaces BGNV42N, BGNV42P manual Test Solution, Do not Clean Glass When HOT
Page 15 Page 16

BGNV42P, BGNV42N specifications

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