18
Maintenance And Service
Figure 22:
Pilot Orifice
Figure 23: Correct Pilot Position
6. Adjust the burner shutter cap to the proper setting (see section
M
aIntenance
anD
s
erVIce
- B
urner
s
hutter
c
aP
a
DjustMent
on
page 13).
7. Reinstall burners, log grate, burner media, logs, and glass door
(see
M
aIntenance
anD
s
erVIce
section of Owner’s Manual
).
8. Purge any air from gas line and reconnect to unit.
9.
Use a small brush and apply a warm soapy water solution to
all gas connections. If a gas leak is present, bubbling will occur.
Gas leaks can be repaired by using a gas approved pipe thread
sealant. WARNING: NEVER USE AN OPEN FLAME WHEN
TESTING FOR GAS LEAKS.
10. Reconnect electrical power to the unit.
11. Light the pilot and recheck for leaks in the aluminum pilot line. If a
leak is evident, contact your Urbana dealer for a pilot line replacement.
WARNING: DO NOT ATTEMPT TO FIX THIS LINE, IT MUST
BE REPLACED IF DAMAGED. The pilot should properly cover the
thermocouple. If adjustment is necessary, turn the adjustment screw in
the valve (see Figure 70) clockwise to decrease and counter-clockwise
to increase until the correct flame is achieved.
12.
Start the main burner and verify full range of adjustment using the UP/DOWN key. Confirm the inlet and
manifold gas pressures are within the acceptable range using a manometer (see I
nItIal
I
nstallatIon
-
G
as
l
Ine
c
onnectIon
anD
t
estInG
).
If this unit has been installed at an altitude higher than 2000ft
(610m) it is required to de-rate the unit accordingly.
In the USA: The appliance may be installed at higher altitudes. Please refer to your American Gas
Association guidelines which state: the sea level rated input of Gas Designed Appliances installed at
elevations above 2000 (610 m) feet is to be reduced 4% for each 1000 feet (305 m) above sea level.
Refer also to local authorities or codes which have jurisdiction in your area regarding the de-rate
guidelines.
In Canada
: When the appliance is installed at elevations above 4500 feet (1372 m), the certified high
altitude rating shall be reduced at the rate of 4% for each additional 1000 feet (305 m).
13. MAKE SURE that the conversion labels provided are installed on or close to the rating label to signify
that the unit has been converted to a different fuel type.