Maintenance; General; Cleaning; Sit Hi-Lo Burner Adjustment - Montigo H38DF ST Installation & Maintenance Manual

H*38DF ST Indoor Gas Fireplace
Lighting Instructions
See pages 23 to 25.

General

Have the fireplace and installation inspected yearly. The inspection
„
must include, but is not limited to, the following:
• A visual check of the entire vent system and termination.
•
An inspection of the explosion relief flappers and the door
gaskets to ensure a proper seal.
• An inspection of the burner, vent run, and primary air openings.
• An inspection of the gas valve, gas components, and pilot flame.
For your convenience a 1/8" manifold pressure tap is supplied
on the gas valve for a test gauge connection.
• Ensure proper log placement as per this manual.
• Inspection of all optional equipment; fans, thermostats, etc.
For Natural Gas this appliance requires a minimum inlet pressure
„
of 5.5" W.C. and a manifold pressure of 3.5" W.C.
For Propane Gas this appliance requires a minimum inlet pressure
„
of 11" W.C. and a manifold pressure of 10" W.C.
Always keep the fireplace area clear and free of combustible materials,
„
as well as gasoline and other flammable vapors and liquids.
Do not use this appliance if any part has been under water. Immediately
„
call a qualified service technician to inspect the appliance and to
replace any part of the control system and any gas control which
has been under water.

Cleaning

When the fireplace is first activated, there may be some smoking and
a visible film may be left on the glass. This is a normal condition, and is
the result of burning of protective coatings on new metal.
Glass must be cleaned periodically to remove any film (which is
„
a normal by-product of combustion) which may be visible. Film
can easily be removed by removing the door, as shown on Page
20. Handle the door carefully, and clean it with non-abrasive glass
cleaners. One of the most effective products is Kel Kem or White-off
Silicone seals on inner door during initial firing will "off gas", leaving
„
a visual deposit of a white substance on combustion chamber walls.
This can easily be removed from the chamber walls using normal
household products.
Use a vacuum cleaner or whisk broom to keep the control
„
compartment, burner, and firebox free from dust and lint.
Logs may be cleaned periodically with a vacuum to remove soot or
„
other contaminates.
CAUTION!
Fireplace gas control must be in the "OFF" position and pilot
„
and main burners extinguished when cleaning appliance with
a vacuum.
Doors can get very hot. Handle only when cool.
„
Page 26

Maintenance

Hi-Lo Burner Adjustment: (SIT Nova 820).
The H*38DF*ST is equipped with an adjustable burner, allowing you to
raise or lower the flames. To adjust the flames, locate the black knob
marked 'Hi-Lo', in the centre of the gas control valve (See Figure 28).
To raise the flame height, turn the black knob (located behind the
„
lower control compartment) counter-clockwise.
To lower the flame height, turn clockwise.
„
Inlet Pressure
Gas Control Knob (Shown in "Pilot" position)
Figure 28. 'Hi-Lo' Adjustment on the SIT Nova 820 gas valve,
Hi-Lo Burner Adjustment: (SIT Proflame).
The H*38DFIST is equipped with an adjustable burner, allowing you to
raise or lower the flames. To adjust the flames, locate the black knob
marked 'Hi-Lo', in the centre of the gas control valve (See Figure 29).
To raise the flame height, turn the black knob (located behind the
„
lower control compartment) counter-clockwise.
To lower the flame height, turn clockwise.
„
Figure 29. 'Hi-Lo' Adjustment on the SIT Proflame gas valve.
Pilot Burner Adjustment.
1. Locate Pilot Adjustment Screw. (See figure 28 or 29.)
2. Adjust pilot screw to provide properly sized flame as shown.
3. After installing or servicing, leak test with a soap solution with main
burner on. Coat pipe and tubing joints, gasket etc. with soap solution.
Bubbles indicate leaks. Tighten any areas where the bubbles appear
until the bubbling stops completely.
'Hi-Lo' Adjustment Knob Pilot Adjustment Screw
Manifold Pressure
Test Connection
Manifold Pressure
Test Connection
Inlet Pressure
Test Connection Pilot Adjustment Screw
Power
Generator
Wall Switch
Hi Lo Adjustment
XG0207 - 011012.1