resideo 396221 Instructions D'installation page 3

1. Remove pilot adjustment cap screw. Refer to
Fig. 1.
2. Turn inner adjustment screw clockwise
decrease or counterclockwise
pilot flame.
3. Always replace cap screw after adjustment and
tighten firmly to safeguard proper operation.
PROPER FLAME
ADJUSTMENT
Fig. 5. Proper flame adjustment.
Check and Adjust Gas Input and
Burner Ignition
WARNING
Fire or Explosion Hazard.
Can cause property damage, serious injury
or death.
1.Do not exceed input rating stamped on
appliance nameplate, or manufacturer
recommended burner orifice pressure for size
orifice(s) used. Make certain primary air supply
to main burner is properly adjusted for complete
combustion. Follow appliance manufacturer
instructions.
2.IF CHECKING GAS INPUT BY CLOCKING GAS
METER:
a. Make sure that the only gas flowing through
the meter is for the appliance being checked.
b. Make certain that other appliances are turned
off with their pilot flames extinguished (or
deduct their gas consumption from the meter
reading).
c. Convert flow rate to Btuh as described in
form 70-2602, Gas Controls Handbook, and
compare to Btuh input rating on appliance
nameplate.
3. IF CHECKING GAS INPUT WITH
MANOMETER:
a. Be sure gas control knob or switch is in the off
position before removing outlet pressure tap
plug to connect manometer (pressure gauge).
b. Shut off gas supply at the appliance service
valve, or for LP gas, at the gas tank, before
removing the outlet pressure tap plug and
before disconnecting manometer and
replacing outlet pressure tap plug.
c. Perform the Gas Leak Test at outlet pressure
tap plug.
Checking Gas Pressure Using Meter
Clocking Method
NOTE: Use this method when manometer is not
available or when manifold pressure is not
specified in in. wc (kPa) by the burner
manufacturer.
396221, 396221-1, 396221-3 AND 396222, 396222-2 GAS CONVERSION KITS
to
to increase
3/8 TO 1/2 IN.
(10 TO 13 MM)
THERMOCOUPLE
M3086B
1. Make sure that the only gas flowing through the
meter is for the appliance being checked.
2. Make certain that other appliances are turned off
with their pilot flames extinguished (or deduct their
gas consumption from the meter reading).
3. Turn gas control knob or switch to ON position.
4. To obtain an accurate outlet pressure reading,
cycle main burner on and off several times to
stabilize the pressure regulator diaphragm.
5. Using a watch with a second hand, carefully clock
the gas meter to determine the time per revolution.
Use Table 1 to determine the exact main burner
gas flow rate in cubic feet per hour (cfh).
3
a. For one ft
Table 1 directly.
3
b. For 1/2 ft per revolution gas meter dials:
(1) Determine time for two dial revolutions
(2) Use Table 1 directly.
c. For two ft3 per revolution gas meter dials:
(1) Determine time for one complete dial
revolution.
(2) Divide time by two.
(3) Use Table 1 directly.
6. Compare actual input with burner manufacturer
recommended input (stamped on burner
nameplate). To convert Btuh rating to cfh (m3/hr)
use the following formula:
Input Rating in BTUh = (cfh) x (the BTU content of the gas)
7. If necessary, adjust pressure regulator to match
appliance rating.
a. Remove metal pressure regulator adjustment
cap screw.
b. Using a screwdriver, turn inner plastic adjust-
ment screw clockwise
counterclockwise
pressure to main burner.
c. Always replace metal cap screw and tighten
firmly to prevent gas leakage.
8. Turn gas supply back on to other appliances and
relight all pilot flames according to appliance
manufacturer instructions.
9. Proceed to Checkout section.
Checking Gas Pressure Using a
Manometer (Pressure Gauge)
1. Turn gas control knob to PILOT for standing pilot
systems or turn gas control knob or slide switch to
OFF for intermittent and direct ignition systems.
2. Remove outlet pressure tap plug from gas control
and connect pressure gauge. Refer to Fig. 1–3.
3. Turn gas control knob or slide gas control switch to
ON position.
4. To obtain an accurate outlet pressure reading,
main burner must be cycled on and off several
times to stabilize the pressure regulator
diaphragm.
5. Light main burner and read pressure gauge.
6. If necessary, adjust pressure regulator to match
appliance rating.
a. Remove metal pressure regulator adjustment
cap screw.
b. Using a screwdriver, turn inner plastic adjust-
ment screw clockwise
counterclockwise
sure to main burner.
c. Always replace metal cap screw and tighten
firmly to prevent gas leakage.
3
per revolution gas meter dials, use
to increase or
to decrease gas
to increase or
to decrease gas pres-
69-1564EF—03