LP & HIGH ALTITUDE LP GAS CONVERSION KIT
FOR INSTALLATIONS IN CANADA
BEFORE THE CONVERSION
IMPORTANT: Please read all instructions before
converting the furnace. Pay attention to all safety
warnings and any other special notes highlighted in the
manual. Safety markings are used frequently throughout
this manual to designate a degree or level of seriousness
and should not be ignored. WARNING indicates a
potentially hazardous situation that if not avoided, could
result in personal injury or death. CAUTION indicates a
potentially hazardous situation that if not avoided, may
result in minor or moderate injury or property damage
This conversion kit is only to be used to convert natural
gas furnaces to LP/Propane gas in Canada. This kit may
only be used in furnaces installed in altitudes between zero
and 4,500 feet above sea level. For U.S. installations, the
United States conversion kit must be used.
Table 1 is a detailed listing of the components in the LP
gas conversion kit. Please check the contents of the
conversion kit with that of the parts listing, and familiarize
yourself with each component.
DO NOT DESTROY THIS MANUAL. KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.
FIRE OR EXPLOSION HAZARD
• Failure to follow safety warnings exactly could
result in serious injury or property damage.
• Installation and service must be performed
by a qualified installer, service agency or the
gas supplier.
• Do not store or use gasoline or other
flammable 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.
• Leave the building immediately.
• 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 fire department.
RISQUE D’INCENDIE OU D’ EXPLOSION
• Le non-respect des avertissements de sécurité
pourrait entraîner des blessures graves, la mort
ou des dommages matériels.
• L’installation et l’entretien doivent être effectués
par un installateur qualifié, un organisme de
service ou le fournisseur de gazstaller, service
agency or the gas supplier.
• Ne pas entreposer ni utiliser de l’essence ni
d’autres vapeurs ou liquides inflammables dans
le voisinage de cet appareil, ni de tout autre
appareil.
QUE FAIRE S’IL Y A UNE ODEUR DE GAZ
• Ne pas tenter d’allumer aucun appareil.
• Ne toucher à aucun interrupteur électrique;
n’utiliser aucun téléphone dans le bâtiment.
• Évacuer l’immeuble immédiatement.
• Appeler immédiatement le fournisseur de gaz en
employant le téléphone d’un voisin. Respecter à
la lettre les instructions du fournisseur de gaz.
• Si personne ne répond, appeler le service des
incendies.
WARNING: AVERTISSEMENT
For Single & 2-Stage Package Gas / Electric and Dual Fuel Models Using Honeywell Gas Valves Only
Table 1. LP Gas Conversion Kit
DESCRIPTION NORDYNE
P/N QTY
Single
Stage
Honeywell Conversion Kit 396221
Converts valve # 624657 (VR8205 S 2890)
624642 1
Converts valve # 624775 (VR8215 S 1289)
Two-
Stage
Models
Honeywell Conversion Kit 396021
Converts valve # 624652 (VR8205 Q 2381) 624667 1
Honeywell Conversion Kit 50033841
Converts valve 624787 (VR9205 Q 1127) 624805 1
#54 Drill Size Burner Orifice Kit
(contains (7) 661054) 150601
#55 Drill Size Burner Orifice Kit
(contains (7) 661055) 150602 1
Conversion Warning Label 703935 1
Conversion Information Label 703942 1
Installation Instructions 709377 1
INSTALLATION INSTRUCTIONS
2
CONVERTING TO LP/PROPANE GAS AT
ALTITUDES BETWEEN ZERO & 4,500 FT.
Converting single - stage valves to LP/Propane requires
the replacement of the burner orifices and/or the spring
found under the cap screw in the pressure regulator.
Converting two - stage valves to LP/Propane requires
the replacement of the burner orifices and/or the stem/
spring assembly in the pressure regulator.
Table 2 (page 4), provides the manifold pressure for
altitudes above 2,000 feet.
WARNING:
Shut off the gas supply at the manual gas shutoff
valve, before disconnecting the electrical
power. A fire or explosion may result causing
property damage, personal injury or loss of life.
Failure to follow the safety warnings exactly
could result in serious injury, death or property
damage.
WARNING:
To avoid electric shock, personal injury,
or death, turn off the electric power at the
disconnect or the main service panel before
making any electrical connections.
WARNING:
The reduction of input rating necessary for high
altitude installation may only be accomplished
with factory supplied orifices. Do not attempt to
drill out orifices in the field. Improperly drilled
orifices may cause fire, explosion, carbon
monoxide poisoning, personal injury or death.
Before You Convert the Gas Valve
1. Turn the thermostat OFF or to its lowest temperature
setting.
2. Verify the gas supply is shut OFF.
3. Verify the electrical power to the appliance is turned
OFF.
Removing The Burner Orifices
1. Set the thermostat to the OFF position, or its lowest
temperature setting.
2. Shut OFF the gas supply at the manual shutoff valve
located outside of the appliance.
3. Turn off all electrical power to the appliance.
4. Remove the louvered access panel from the burner
compartment.
5. Move the gas valve ON/OFF switch to the OFF position.
See Figure 1 (page 3). NOTE: For VR8205Q2381 gas
valves, turn the knob to the OFF position.
CAUTION:
It is good practice to label all wires prior
to disconnection. Wiring errors can cause
improper and dangerous operation.
6. Remove the wires from the gas valve terminals.
7. Remove the supply gas piping from the gas valve inlet.
8. Carefully remove four screws securing the gas manifold
assembly to the burner assembly.
9. Set the screws aside (do not discard) and remove the
gas manifold assembly from the appliance.
10. Carefully remove the burner orifices from the gas
manifold assembly by turning counter clockwise.
11. Read the rating plate affixed to the appliance to
determine its rated input (Btu/hr) and the size of the
factory installed orifices.
IMPORTANT NOTE: Before installing an orifice,
check the side or face of the orifice for the drill
number to ensure that it is the appropriate size.
WARNING:
Do not use Teflon tape or pipe joint compound
on the orifice threads. The hole in the orifice
may become blocked and cause fire, explosion,
property damage, carbon monoxide poisoning,
personal injury, or death.
IMPORTANT NOTE: When converting a low NOx
furnace from natural gas to LP/Propane gas, it is
necessary to remove the NOx Baffles from the furnace.
WARNING:
All gas piping must conform with local building
codes, or in the absence of local codes, with
the most recent edition of the National Fuel
Gas Code ANSI Z223.1. DO NOT attempt to
modify, or tap into existing gas lines yourself.
Fire or explosion may result causing property
damage, personal injury or loss of life. Failure to
follow the safety warnings exactly could result
in serious injury, death or property damage.
WARNING:
All electrical wiring must comply with the latest
edition of the National Electrical Code ANSI/
NFPA 70. Failure to follow these instructions
could result in possible damage to equipment,
serious personal injury, or death.
3
12. Install the appropriate LP/Propane gas burner orifices
(see Table 2, page 4) into the gas manifold assembly.
NOTE: To prevent cross threading, hand tighten the
orifices (clockwise) into the gas manifold assembly
until snug, then tighten with a wrench 1/2 to 1 full turn.
IMPORTANT NOTE: If the unit is equipped with
Low NOx baffles, it is necessary to remove these
baffles from the heat exchanger tubes prior to
operating with LP/Propane gas. Complete steps
13-19 if NOx baffles are installed. If no NOx baffles
are installed skip to Step 16.
CAUTION:
It is good practice to label all wires prior
to disconnection. Wiring errors can cause
improper and dangerous operation.
13. While gas valve/manifold piping assembly are removed,
carefully disconnect the wires from the flame sensor,
the flame roll out switch, and the ignitor wires at the 2
pin plug connector atop the burner box. Depress the
snap locks on each side of the connector to unlock.
Carefully remove the four screws inside the burner
box (2 at each end), securing the complete burner box
assembly to the heat exchanger panel while ensuring
not to damage the ignitor. See Figure 1.
NOTE: The burner box may have hooks near the top
on both ends. To remove this type of burner box, lift
the burner box upwards and then remove the box from
the unit. Remove the screw securing the NOx baffle
retainer clip to the heat exchanger panel, then pull the
baffle straight forward to remove. Repeat these steps
for each additional tube assembly. Discard retainer
screws, retainers, and NOx baffles.
14 Reinstall the burner box assembly using the four screws
removed in Step 13.
15 Reconnect the wires to the flame roll-out switch, flame
sensor, and ignitor removed earlier in step 13.
16. Reinstall the gas manifold assembly to the burner
assembly with the 4 screws, that were removed earlier
in step 8. NOTE: It is important that the center of the
orifices are aligned with the center of the burners.
17. Reconnect the gas piping to the gas valve inlet.
18. Reconnect the wires to the gas valve terminals.
19. After re-installing the gas valve/manifold assembly,
inspect the alignment of the burners with the heat
exchanger tubes. The center of the burners should
be aligned with the center of the tubes.
GAS
MANIFOLD
GAS VALV E
TERMINALS
GAS
VALV EGAS VALVE
INLET
ORIFICES
SCREWS
(X4)
GAS VALV E
ON/OFF
SWITCH
IGNITOR
NOX BAFFLE
RETAINER CLIP
& SCREW PER TUBE
(IF EQUIPPED)
NOX BAFFLE
PER TUBE
(IF EQUIPPED)
FLAME
ROLL-OUT
SWITCH
FLAME
SENSOR
SCREWS
(X4)
BURNER
BOX
HEAT
EXCHANGER
PANEL
BURNER
Figure 1. Burner & Manifold Assembly
4
Table 2. Liquid Propane Conversion Chart
MODEL
NUMBER
INPUT
(Btuh)
LP ORIFICE SIZE
FOR ALTITUDES
BETWEEN 0 - 4,500 FT.
MANIFOLD PRESSURE
(In. W.C.)
0 to 1,999 FT. 2,000 to 4,500 FT.
Single
Stage
Models
R6GD / PPG2GD
R8GD / PPG3GD
45,000 54 9.8 8.3
72,000 54 10.0 8.5
96,000 54 10.0 8.5
120,000 54 10.0 8.5
TGRG(24,30)451E 45,000 54 9.8 8.3
TGRG(24,30,36)721E 72,000 54 10.0 8.5
TGRG(36,42,48)961E 96,000 54 10.0 8.5
TGRG601201E 120,000 54 10.0 8.5
Two-Stage
Models
R6GF / PPG2GF
DF6SF / PDF2SF
R6GI / PPG2GI
72,000 54
High Fire - 10.0
Low Fire - 4.8
High Fire - 8.0
Low Fire - 3.5
80,000 55
96,000 54
100,000 55
120,000 54
5
2 - Stage Honeywell Valves
Figure 4. Spring / Stem Assembly Removal
1
2
3
2 Adjustment Screws
(beneath cap)
Model VR8205Q2381
IMPORTANT NOTE: When converting to LP/
Propane gas from natural gas, the white stem/
spring assembly in the gas valve must be replaced
by the black stem/spring assembly in the kit.
1. Remove two screws (1) securing the pressure
regulator cover assembly (2) to the gas valve. See
Figure 4.
2. Remove the pressure regulator cover assembly (2)
from the gas valve.
3. Remove and discard the existing stem/spring
assembly (3) from the gas valve.
4. Install the replacement stem/spring assembly (3)
from the conversion kit.
5. Reinstall the pressure regulator cover assembly (2)
onto the gas valve.
6. Install the two screws (1) and tighten.
7. Affix the label from the conversion kit to the gas
valve
Single Stage Honeywell Valves
Figure 3. Pressure Regulator Spring &
Adjustment Screw Removal
Spring
Adjusting Screw
(VR8205S2890 shown)
Figure 2. Cap Screw Removal
Cap screw
(VR8205S2890 shown)
Models: VR8205S2890 or VR8215S1289
IMPORTANT NOTE: When converting to LP/
Propane gas from natural gas, the black spring in
the gas valve must be replaced by the red spring
in the kit.
1. Remove the cap screw from the gas valve as shown
in Figure 2.
2. Remove and discard the plastic pressure regulator
adjustment screw from the gas valve. See Figure
3.
3. Remove the black colored spring from the gas valve.
4. Install the red spring from the conversion kit.
5. Install the new adjusting screw from the kit.
6. Check and adjust the regulator setting. See Gas
Pressure Adjustment Section (page 6).
7. Reinstall the cap screw.
8. Affix the label from the conversion kit to the gas
valve.
6
9. Remove the NPT fitting and reinstall the INLET pressure
tap plug. Hand tighten the plug first to prevent cross-
threading. Tighten with 3/16” Allen wrench.
Lighting & Adjustment of the Appliance
WARNING:
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly could
result in serious injury or property damage.
Never test for gas leaks with an open flame. Use
a commercially available soap solution made
specifically for the detection of leaks to check
all connections. A fire or explosion may result
causing property damage, personal injury or
loss of life.
AVERTISSEMENT:
RISQUE D’INDENDIE OU D’EXPLOSION
Le non-respect des avertissements de sécurité
pourrait d’entraîner des blessures graves, la mort
ou des dommages matériels.
Ne jamais utiliser une flamme nue por vérifier la
présence des fuites de gaz. Pour la vérification de
tous les joints, utiliser plutôt une solution savonneuse
commerciale fabriquée spécifiquement pur la détection
des fuites de gaz. Un incendie ou une explosion peut
entraîner des dommages matériels, des blessures
ou la mort.
1. Turn ON the manual gas valve, located on the outside
of the unit to the ON position.
2. Check all gas connections for leaks with a soap and
water solution. If the solution bubbles there is a gas
leak which must be corrected.
3. Turn on the electrical power to the appliance.
4. Place the gas valve ON/OFF switch/knob to the ON
position. See Figure 6.
5. Set the thermostat above room temperature to begin
the heating cycle of the furnace.
6. Check that the furnace ignites and operates properly.
Refer to the installation instructions provided with the
unit for the normal operating sequence.
7. After ignition, visually inspect the burner assembly to
ensure that the flame is drawn directly into the center of
the heat exchanger tube. In a properly adjusted burner
assembly, the flame color should be blue with some
light yellow streaks near the outer portions of the flame.
NOTE: The ignitor may not ignite the gas until all air is
bled from the gas line. If the ignition control locks out,
turn the thermostat to its lowest setting and wait one
Model VR9205Q1127
IMPORTANT NOTES:
• When converting to LP/Propane gas from
natural gas, the springs from gas valve must
be replaced by the larger springs from the kit.
The LP/Propane springs for both HIGH & LOW
fire are the same size, shape and color.
• Use only a Torx-25 or 3/16” flathead screwdriver
when removing adjustment screws or during
pressure adjustment.
1. Remove the HIGH fire cap screw. See Figure 5.
2. Remove and discard the HIGH fire adjustment screw
from the gas valve.
3. Remove the spring from the gas valve and discard.
4. Install a larger spring from the conversion kit.
5. Install a new adjusting screw from the kit.
6. Repeat steps 1 - 5 for replacement of the LOW fire
spring and adjustment screw.
7. Check and adjust the regulator setting. See Gas
Pressure Adjustment Section.
8. Reinstall the cap screws on the HIGH and LOW
regulators. Plastic replacement cap screws are
provided in the conversion kit.
9. Affix the label from the conversion kit to the gas
valve.
High Fire
Cap Screw
High Fire
Adjustment Scr
ew
Low Fire
Cap Screw
Low Fire
Adjustment Screw
Spring
Spring
Figure 5. Pressure Regulator Spring &
Adjustment Screw Removal
GAS PRESSURE ADJUSTMENT
Measuring the Supply Gas Pressure
1. Turn OFF the gas supply at the manual valve located
on the outside of the unit.
2. Using a 3/16“ Allen wrench, remove the plug from the
inlet pressure tap (INLET side of gas valve). See Figure
6 (page 7).
3. Install an 1/8” NPT pipe thread fitting, which is compatible
with a Manometer or similar pressure gauge.
4. Connect the Manometer or pressure gauge to the Inlet
Pressure Tap.
5. Turn ON the main gas supply at the manual valve.
6. Check and adjust the incoming gas line pressure to
11.0-14.0 inches Water Column for LP/Propane gas.
7. Turn OFF the gas supply at the manual valve.
8. Disconnect the Manometer or pressure gauge.
7
NOTE: Turning the screw clockwise increases
the pressure, turning the screw counter-clockwise
decreases the pressure. To prevent the screw from
backing all the way out from the valve, turn the screw
slowly.
3. Replace and tighten the cap screw or the plastic cap
over the adjustment screw.
Removing the Manometer/Pressure Gauge
After the manifold pressure is properly adjusted, the
Manometer or pressure gauge must be removed from
the gas valve.
1. Turn the thermostat to its lowest setting.
2. Turn OFF the main gas supply to the unit at the manual
shut-off valve, which is located outside of the unit.
3. Turn OFF all of the electrical power supplies to the unit.
4. Remove the pressure gauge adapter from the gas valve
and replace it with the 1/8” NPT manifold pressure plug
that had been removed earlier. NOTE: Make sure the
plug is tight and not cross-threaded.
5. Turn ON the electrical power to the unit.
6. Turn ON the main gas supply to the unit at the manual
shut-off valve.
minute then turn the thermostat above room temperature
and the ignitor will try again to ignite the main burners.
This process may have to be repeated several times
before the burners will ignite. After the burners are lit,
check all gas connections for leaks again with the soap
and water solution.
Measuring the Manifold Pressure
The manifold pressure must be measured by installing a
pressure gauge (Manometer, Magnehelic Meter, etc.) to
the outlet end of the gas valve as follows:
1. Shut OFF the gas supply at the manual shutoff valve
located outside of the appliance.
2. Turn off all electrical power to the appliance.
3. Using a 3/16” Allen wrench, remove the manifold
pressure tap plug located on the outlet side of the gas
valve. See Figure 6.
4. Install an 1/8” NPT pipe thread fitting, that is compatible
with a Manometer or similar pressure gauge.
5. Connect the Manometer or pressure gauge to the
manifold pressure tap.
6. Set the room thermostat above room temperature to
start the furnace.
7. Allow the furnace to operate for 3 minutes and then
check the manifold pressure. Compare the measured
value with the value shown in Table 2 (page 4). If the
manifold pressure is not set to the appropriate pressure,
then it must be adjusted.
Adjusting the Manifold Pressure
NOTE: Adjustments must be made to both LOW & HIGH
fire settings when converting two-stage gas valves. Refer
to Table 2 for manifold pressures.
1. Single stage gas valve: Remove the cap screw from
the top of the gas valve regulator. See Figure 2 (page
5) for VR8205S2890 or VR8215S1289 models.
2-stage gas valve: For VR8205Q2381 models, remove
the plastic cap covering the adjustment screws (Figure
4 page 5). For VR9205Q1127 models, remove the cap
screw (Figure 5, page 6).
2. Using a screwdriver or Allen wrench (where appropriate),
slowly turn the adjustment screw till the appropriate
manifold pressure listed in Table 2 is achieved. See
Figure 2 for VR8205S2890 or VR8215S1289 models.
See Figure 4 for VR8205Q2381 models or Figure 5 for
VR9205Q11127 models.
COMPLETING THE CONVERSION
WARNING:
Do not alter or remove the original rating plate
from the furnace.
1. Attach the following labels:
• The conversion warning label (P/N 703935) should
be affixed to the outside of the unit door.
• The conversion information label (P/N 703942)
should be affixed near the rating plate on the inside
of the control area.
• The gas valve conversion label should be affixed
on the gas valve.
NOTE: Each label should be prominently visible after
installation.
2. Reinstall the appliance door.
3. Run the appliance through 3 complete cycles to assure
proper operation.
Figure 6. Inlet & Manifold Pressure Tap Locations
IN
ON
OFF
Inlet
Pressure
Ta p
Inlet
Pressure
Ta pInlet
Pressure
Ta p
SINGLE STAGE VALVES
Manifold
pressure
Ta p
Manifold
pressure
Ta p
Manifold
pressure
Ta p
Manifold
pressure
Ta p
2-STAGE VALVES
Model VR8215S1289
Inlet
Pressure
Ta p
Model VR8205S2890 Model VR8205Q2381 Model VR9205Q1127
ON/OFF
Switch
ON/OFF
Switch
ON/OFF
Knob
ON/OFF
Switch
The installer performing this work assumes all responsibility for this conversion. These instructions are primarily
intended to assist qualified individuals experienced in the proper installation of these components. Some local codes
require licensed installation/service personnel for this type of equipment. Safety should always be the deciding
factor when installing this product and using common sense plays an important role as well. Improper installation of
the components or failure to follow safety warnings could result in serious injury, death, or property damage. After
completing the installation, return these instructions to the Homeowner’s Package for owner-user’s future reference.
10459720
(Replaces 709377A)
Specifications & illustrations subject to change without notice or incurring obligations (07/23).
O’Fallon, MO, © Nortek Global HVAC LLC 2023. All Rights Reserved.
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dans d''autres langues
- English: Westinghouse R6GD Installation guide
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