Maintenance; Pilot Adjustment - COZY CDV155D Installation And Operating Instructions Manual

WARNING: This is a gas-fired appliance. Keep the area clear of gasoline and other flammable vapors
!
and liquids. All combustible material must be kept clear of this area to avoid fire or explosion.
For proper and safe operation keep furnace and furnace
area clean. At regular intervals turn control valve to off,
let cool and clean inside control compartment and under
heater. To clean front panel use only a damp cloth, do not
use any kind of solvent or cleaning fluid that could leave a
residue or invisible coating that would burn or give off fumes
when furnace is turned on.
Have the furnace checked, cleaned, and repaired by a
qualified service technician. Check venting system, pilot,
and burner operation prior to use each year.
Follow a regular service and maintenance schedule for safe
and efficient operation.
Do not obstruct combustion and ventilation air. Examine the
venting system as a routine part of the safety performance
check on an annual basis.

PILOT ADJUSTMENT

1. Locate pilot adjustment cap on
valve and remove. Fig. 9
2. Pilot flame should surround the top 3/8 to ½ inch of
powerpile or thermocouple. See Figure 10.
TO INCREASE
THE PILOT FLAME
Turn the pilot
adjustment
screw (Fig. 9)
counterclockwise.
3. After a proper pilot flame is established replace pilot
adjustment cap, be sure gasket located on bottom of
cap head is in place.
The gas supply to the pilot is unregulated. When
line pressure exceeds 7" w.c. Natural Gas, 11" w.c.
Propane Gas, pilot adjustment must be made.
CAUTION:
Label all wires prior to disconnection when servicing
!
controls. Wiring errors can cause improper & dangerous
operation. Verify proper operation after servicing.

MAINTENANCE

TO DECREASE
THE PILOT FLAME
Turn the pilot
adjustment
screw (Fig. 9)
clockwise.
Page 12
If the air intake tube or the exhaust tube is removed, follow
Step 3 of the installation section for re-assembly. Be sure to
check gaskets and replace if there is any sign of damage.
If the heat exchanger is removed, check the heat exchanger
intake gasket and replace if there is any sign of damage.
Be sure the gasket is in place when the heat exchanger is
replaced.
Failure to replace any gasket that has been damaged may
result in property damage, personal injury or loss of life.
FIG. 9
Pilot Adj. Cap
FIG. 10: Pilot Flame Adjustment
Pilot flame should
envelop 3/8 to
1/2 inch of the
powerpile or
thermocouple.
Gasket
Pilot
Adj. Screw
3/8" to 1/2"
1019061-B