Montigo H34D User manual
Check local codes and
read all instructions
prior to conversion.
Leave this manual with
the owner.
For models:
H34D
Gas Conver-
sion Instruc-
tions
Warning: If the information in these instructions is not followed
exactly, a fire or explosion may result causing property damage,
personal injury or loss of life.
Do not store or use gasoline or other ammable vapors and liquids in the
vicinity of this or any other appliance.
What To Do If You Smell Gas:
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbor's phone. Follow the gas
supplier's instructions.
• If you cannot reach your gas supplier, call the re department.
Installation and service must be performed by a qualified installer, service agency or
the gas supplier.
P/N XG0675
Page 2
Gas Conversion Kit
Table Of Contents
General Information ................................................................. 2
Parts list .................................................................................... 2
Conversion
Before you begin............................................................ 3
Install or Remove the Air Inlet Screw ............................. 3
Converting the Burner Orifice......................................... 3
Converting the Pilot Assembly ....................................... 3
Converting the Main Gas Control Regulator .................. 4
Checking the Gas Pressure ........................................... 4
Adjusting the Pilot Burner............................................... 4
Operation................................................................................... 5
General Information
This gas conversion kit contains the necessary components for field
conversion of an approved Montigo fireplace from Natural Gas (NG)
to Liquid Propane (LP).This kit is approved for use with the following
Direct Vent (top and rear vent versions) model(s):
H34D
The conversion of this appliance must conform with local codes or,
in the absence of local codes, with the American National Fuel Gas
Code, ANSI Z223.1, or the Canadian Installation Code, CAN / CGA
WARNING!
This conversion kit shall be installed by a qualified service
agency in accordance with the manufacturer's instructions
and all applicable codes and requirements of the authority
having jurisdiction. If the information in these instructions
is not followed exactly, a fire, explosion or production of
carbon monoxide may result causing property damage,
personal injury or loss of life. The qualified service agency
is responsible for the proper installation of this kit. The
installation is not proper and complete until the operation
of the converted appliance is checked as specified in the
manufacturer's instructions supplied with this kit.
Parts List
Quantity Description
1 Pilot Orifice
1 Air Inlet Screw
1 Burner Orifice
1 Hi/Lo Regulator Kit for the gas control valve
1 Label for rating plate indicating conversion
1 Label for gas control valve indicating conversion
Page 3
P/N XG0675
Gas Conversion Kit
Gas Conversion Instructions
Conversion
CAUTION - Before you begin:
1. Shut off gas at the shut-off valve and disconnect the electrical
supply (if used).
2. Remove the glass door as shown in the installation instructions
and remove the logs. Flip down or remove the lower trims.
Install or Remove the Air Inlet Screw:
3. Locate the two air inlet holes on the burner tube underneath the
right side of the burner tray. On Propane models, both air inlet
holes must be open, and on Natural Gas models the air inlet
screw, provided in the conversion kit, must be installed.
4. When converting to the desired fuel, install or remove the sup-
plied air inlet screw using a 3/16 allen key. The air inlet screw is
accessable on the right side of the burner tray as shown in figure
1.
Figure 1. Installing or Removing the Air Inlet Screw.
Converting the Burner Orifice:
6. Disconnect the valve from its valve bracket by removing the 4
screws that hold the valve in place, and disconnect the valve
asssembly from the pan base by spinning off the union as shown
in figure 2a. The valve assembly will drop out of the way, allowing
access to the coupling.
Figure 3. The Pilot Assembly.
Converting the Pilot Assembly:
8. Remove pilot hood/ orifice cap by pulling it off the pilot assembly.
The cap will snap off with slight pressure; the orifice must be
removed with an allen key. (See Figure 4)
Figure 2a. Converting the Burner Orifice.
Air Inlet Holes
Burner Tube
Air Inlet Screw
Spin off union here
Valve Bracket
Burner
Orifice
Coupling
Valve Assembly
drops down
Figure 2b. Converting the Burner Orifice.
7. Unscrew the coupling assembly from the pan base. The burner
orifice is located at the top end of coupling. Unscrew it and
install the new orifice from the conversion kit to convert to the
new gas, as shown in figure 2b. Re-install all of the gas fittings.
P/N XG0675
Page 4
Gas Conversion Kit
Gas Conversion Instructions
Checking the Gas Pressure
To check the Inlet and Manifold gas pressures, a Water Column Pres-
sure Gauge with 5/16" dia. tubing can be used. To test the Manifold
Pressure, loosen the screw shown in Figure 7. Attach the gauge to
the Manifold Pressure Test Connection and open the gas shut-off
valve. The tubing must be tight in the connection to prevent gas leaks.
Measure the Manifold Pressure and compare the value against the
chart below.
Figure 7. Sit Nova 820 series gas valve.
Natural Gas Liquid Propane
Manifold Pressure (min.) 3.5" W.C. 10" W.C.
Inlet Pressure (min.- max.) 5.5" - 14" W.C. 11" - 14" W.C.
" W.C. = inches water column
Turn off the fireplace and close the shutoff valve. Remove the test
gauge. Re-tighten the test connection screw to prevent gas leak-
age.
Repeat the procedure for the Inlet Pressure.
If the pressure readings are not within the limits set out, contact the
factory. If the pressure readings are correct, ensure that both test con-
nection screws are tightened securely, to prevent a gas leak.
Pilot Burner Adjustment
1. Locate the Pilot Adjustment Screw on the gas control valve. (See
figure 7)
2. Adjust pilot screw to provide properly sized flame as shown in fig-
ure 8). To increasethe flame, turn the screw counterclockwise. To
decrease the flame, turn it clockwise. The flame should impinge
on the thermocouple and thermopile.
3. After installing or servicing, leak test using a soap solution with
main burner turned 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.
Figure 8. Pilot Burner
Manifold Pressure
Test Connection
Pilot Adjustment Screw
Inlet
Pressure
Power
Generator
Wall Switch
Figure 6. Replacing the regulator on the Sit Nova 820 gas control valve.
remove screws to
replace regulator
Main Gas Control Regulator:
10. The SIT Hi/Lo gas control valve supplied with this appliance has
a removable regulator. To replace it, remove the three screws
as shown in Figure 6, and install the new regulator supplied with
this kit.
11. The label (part no. LB0205/LB0206) indicating that the fireplace
has been converted for use with a different gas must be placed
on the fireplace rating plate over top of the existing fuel type
marking.
The label (part no. LB0207/LB0206) indicating who converted
the appliance must be filled out and placed on the base pan,
directly under the gas valve.
Also place the label indicating that the control valve has been
Figure 4. The Pilot Assembly, with cap off. The pilot hood will snap
off; the orifice must be removed with an allen key.
9. Install the new orifice from the conversion kit to convert to the
pilot to the new gas. Tighten the orifice securely with an allen
key. Re-attach the pilot hood, making sure the notch in the hood
lines up with the tab on the pilot assembly.
Page 5
P/N XG0675
Gas Conversion Kit
WARNING: If you do not follow these instructions exactly, a re or explosion
may result causing property damage, personal injury or loss of life.
If you cannot reach your gas supplier, call the Fire De-
partment.
C. Use only your hand to push in or turn the gas control knob.
Never use tools. If the knob will not push in or turn by hand,
don't try to repair it, call a qualified service technician. Force
or attempt to repair may result in a fire or explosion.
D. 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.
A. This appliance has a pilot. When lighting the pilot, follow
these instructions exactly.
B. BEFORE LIGHTING smell all around the appliance area for
gas. Be sure to smell next to the floor because some gas is
heavier than air and will settle on the floor.
What To Do If You Smell Gas:
Do not try to light any appliance.
Do not touch any electrical switch; do not use any phone
in your building.
Immediately call your gas supplier from a neighbour's
phone. Follow the gas supplier's instructions.
Operating Instructions
For Your Safety - READ BEFORE LIGHTING:
1. STOP! Read the safety information above on this label.
2. Flip down lower trims.
3. Push in gas control knob and turn clockwise to "OFF."
4. Wait five (5) minutes to clear out any gas. Smell for gas,
including near the floor. If you then smell gas, STOP! Follow
"B" in the safety information above on this label. If you don't
smell gas, go to the next step.
5. Locate pilot burner (See illustration at right.) and follow
steps below.
6. Turn knob on gas control counterclockwise to "PI-
LOT."
7. Push in gas control knob completely and hold. Light with
Piezo Igniter button. Continue to hold the control knob in for
about (1) minute after the pilot is lit. Release the knob and it
will pop back up. Pilot should remain lit. If it goes out repeat
steps 3 through 8.
If knob does not pop up when released. Stop and imme-
diately call your service techni-
cian or gas supplier.
If the pilot will not stay lit after
several tries, turn the gas control
knob to "OFF" and call your serv-
ice technician or gas supplier.
8. Push in gas control knob and turn
counterclockwise to "ON."
9. Flip up lower trim.
10.Turn on remote switch to ignite fire.
Lighting Instructions:
Gas Control Knob
(Shown in "Pilot" postion.)
NOTE: Knob cannot be turned
from "PILOT" to "OFF" unless
knob is pushed in slightly. Do not
To Turn Off Gas To Appliance:
1. Turn off remote switch.
2. Flip down lower trim.
3. Push in gas control knob slightly and turn clockwise
to "Off". Do not force.
4. Flip up lower trim.
Canadian Heating Products Inc.
Langley, BC V4W 4A1
Montigo Del Ray Corp.
Ferndale, WA 98248
XG0675 Rev. 00 - 12/2003
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