Converting Gas Control From Natural Gas To Lp Gas (Or Lp Gas To Natural Gas); Single Stage - Honeywell VR8215S Installation Instructions Manual

VR8215S,T SINGLE STAGE VR8215Q,N TWO STAGE DIRECT IGNITION GAS CONTROLS
CONVERTING GAS CONTROL FROM NATURAL GAS TO LP
GAS (OR LP GAS TO NATURAL GAS)
WARNING
Fire Or Explosion Hazard.
Can cause property damage, severe injury
or death.
1. Always change the main orifices when
converting from natural to LP gas or from LP
to natural gas. Carefully follow appliance
manufacturer specifications and
instructions to assure proper appliance
conversion.
2. Gas controls are factory-set for natural (and
manufactured) or LP gas. Do not attempt to
use a gas control set for natural
(manufactured) gas on LP gas, or a gas
control set for LP gas on natural
(manufactured) gas.

Single Stage

Single stage controls with standard and slow-opening
regulators (model numbers with suffix S or T) can be
converted from one gas to the other with a conversion
kit. See Table 4 for the correct conversion kit part
number.
1. Turn off gas supply at the appliance service
valve.
2. Remove regulator cap screw and save. See Fig. 7.
3. Remove the pressure regulator adjusting screw.
See Fig. 6.
4. Remove the existing spring.
5. Insert the replacement spring. See Fig. 6.
6. Install the new plastic pressure regulator adjust-
ment screw.
7. Check the regulator setting using a manometer
or by clocking the gas meter. See "Check and
Adjust Gas Input and Burner Ignition" on page 5.
8. Adjust regulator by following the Single Stage
Regulator Adjust ment process, below.
9. Reinstall the regulator cap screw.
10. Mount conversion label on the gas control.
SINGLE STAGE REGULATOR ADJUSTMENT
If necessary, adjust the pressure regulator to match
the appliance rating. See Table 6 for factory-set
nominal outlet pressure and adjustment range.
a. Remove the pressure regulator adjustment
cap screw.
b. Using a screwdriver, turn the inner adjust-
ment screw (Fig. 6) clockwise
increase or
counterclockwise
pressure to the burner.
c. Always replace the cap screw and tighten
firmly to prevent gas leakage.
69-2253—07
to
to decrease the gas
8
1
1 REUSE EXISTING METAL CAP SCREW.
Fig. 6. Converting between LP and natural gas.
PRESSURE REGULATOR
ADJUSTMENT (UNDER
CAP SCREW)
INLET
PRESSURE
TAP 1/8 IN.
NPT
INLET
ON/OFF SWITCH
Fig. 7. Top view of gas control.
COLOR CODE FOR
LP
NATURAL
GAS GAS
PRESSURE
REGULATOR
BLACK BLACK
ADJUSTING
SCREW
STAINLESS
RED
SPRING
STEEL
PRESSURE
REGULATOR
HOUSING
M20046B
OUTLET
PRESSURE
TAP 1/8 IN.
NPT
OUTLET
ON
OFF
M27670A