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111245-01B 33
OBSERVED PROBLEM
Gas odor during combustion
Dark residue on logs or inside
of fireplace
Note: After removing all causes
of residue deposits, completely
clean fireplace and appliances
of all residue before reusing
appliance.
White powder residue forming
within burner box or on adjacent
walls or furniture
POSSIBLE CAUSE
1. Foreign matter between con-
trol valve and burner
2. Gas leak. See Warning
statement on top of
page 32
1. Improper log placement
2. Drafts or other air currents
affecting flame pattern
3. Air holes at burner inlet
blocked
4. Burner flame holes blocked
1. When heated, vapors from
furniture polish, wax, carpet
cleaners, etc. may turn into
white powder residue
REMEDY
1. Take apart gas tubing and
remove foreign matter
2. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 19)
1. Properly locate logs (see In-
stalling Logs, page 24)
2. Eliminate source of drafts
around heater
3. Clean out air holes at burner
inlet. Periodically repeat as
needed
4. Remove blockage
1. Turn heater off when using
furniture polish, wax, carpet
cleaners or similar products
TROUBLESHOOTING
Continued
SPECIFICATIONS
CGEFP33NRB CGEFP33PRB
Btu (Variable) 20,000/33,000 20,000/33,000
Type Gas Natural Propane/LP
Ignition Electronic (Automatic) Electronic (Automatic)
/Piezo (Manual) /Piezo (Manual)
Manifold Pressure 3.5" W.C. 8.0" W.C.
Inlet Gas Pressure (in. of water)
Maximum 10.5" 14"
Minimum* 5" 11"
Shipping Weight 122 lbs. 122 lbs.
* For input adjustment
SERVICE HINTS
When Gas Pressure Is Too Low
• pilot will not stay lit
• burners will have delayed ignition
• heater will not produce specified heat
• for propane/LP units, propane/LP gas supply
may be low
You may feel your gas pressure is too low. If so, con
-
tact your local natural or propane/LP gas supplier.
TECHNICAL SERVICE
You may have further questions about installation,
operation or troubleshooting. If so, contact DESA
Heating Productsʼ Technical Service Department
at 1-866-672-6040. When calling please have your
model and serial numbers of your heater ready.
You can also visit DESA Heating Productsʼ techni
-
cal service web site at www.desatech.com.