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UNVENTED
(VENT.FREE)
NATURAL
GAS LOG HEATER
VARIABLE
MANUALLY-CONTROLLED
MODELS
ALSO DESIGN-CERTIFIED
AS VENTED
DECORATIVE
APPLIANCES
OWNER'S
OPERATION
AND INSTALLATION
MANUAL
CGG2618N,
CGG3324N(T),
and
CGG3630N
Thermostat
and
Variably.Controlled
Models
l WARNING:
If the
information
in this
manual
is not followed
exactly, a fire or
explosion
may result causing
property
damage,
personal
injury, or loss of life.
m
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.
• Immediately
call your gas supplier
from a neighbor's
phone. Follow the
gas supplier's
instructions.
• if you cannot
reach your gas sup-
plier, call the fire department.
Installation
and service
must be per-
formed by a qualified
installer,
service
agency,
or the gas supplier.
WARNING:
Improper
installation,
ad-
justment,
alteration,
service, or main-
tenance
can cause
injury or property
damage.
Refer to this manual for cor-
rect installation
and operational
proce-
dures. For assistance
or additional
in-
formation
consult a qualified installer,
service agency, or the gas supplier.
WARNING:
This appliance
is for in-
stallation
only in a solid-fuel
burning
masonry
or UL127
factory-built
fire-
place, or in an approved
ventless
fire-
box. It is design-certified
for these
installations
in accordance
with ANS
Z21.11.2.
Exception:
Do not install this appli-
ance in a factory-built
fireplace
that
includes
instructions
stating
it has
not been tested or should not be used
with unvented
gas logs.
WARNING:
This Is an unvented gas-fired
heater. It uses air (oxygen) from the room in
which it is installed.
Provisions
for adequate combustion
and ventilation
air must be
provided.
Refer to Air for Combustion
and Ventilation section, page 4, in this manual.
This appliance
may be Installed
In an aftermarket*
manufactured
(mobile)
home,
where
not prohibited
by state or local codes.
• Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
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Table of Contents
Related Manuals for Desa CGG3324N
Summary of Contents for Desa CGG3324N
- Page 1 UNVENTED (VENT.FREE) NATURAL GAS LOG HEATER VARIABLE MANUALLY-CONTROLLED MODELS ALSO DESIGN-CERTIFIED AS VENTED DECORATIVE APPLIANCES OWNER'S OPERATION AND INSTALLATION MANUAL CGG2618N, CGG3324N(T), CGG3630N Thermostat Variably.Controlled Models WARNING: Improper installation, justment, alteration, service, or main- manual is not followed exactly, a fire or tenance can cause injury or property...
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Page 2: Safety Information
UNVENTED NATURAL HEATER SAFETY 1. This appliance is only for use with the tenance, page 17. type of gas indicated on the rating plate. 10. Do not allow fans to blow directly into INFORMATION This appliance is not convertible for use the fireplace. - Page 3 OWNER'S MANUAL PRODUCT PRODUCT FEATURES IDENTIFICATION OPERATION BottomMid This heater is clean burning. It requires no Top Log (#4) outside venting. There is no heat loss out a Log (#2) _ vent or up a chimney. Heat is generated by realistic, dancing yellow flames.
- Page 4 UNVENTED NATURAL HEATER AIR FOR Unusually Tight Construction Confined and Unconfined Space The air that leaks around doors and win- COMBUSTION The National Fuel Gas Code (ANS Z223.1, dows may provide enough fresh air for 1992 Section 5.3) defines a confined space VENTILATION combustion...
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Page 5: Air For Combustion Ventilation
OWNER'S MANUAL AIR FOR COMBUSTION VENTILATION Continued DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms. - Page 6 HEATER UNVENTED NATURAL AIR FOR COMBUSTION VENTILATION Continued Ventilation Ventilation Grills Grills VENTILATION Into Adjoining Room, Into Adjoining Option 2 Room, Remove Ventilation Air From Inside Option 1 Door into Building Adjoining This fresh air would come from an adjoining Room, unconfined space.
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Page 7: Installation
OWNER'S MANUAL INSTALLATION INSTALLATION elk WARNING: Never install the CLEARANCES (Vent-Free heater Operation Only) • in a bedroom or bathroom un- NOTICE: This heater is intended less installed as a vented ap- for use as supplemental heat. Use _WARNING: Maintain the mini- pliance (see Installing Damper this heater along with your pri- mum clearances. - Page 8 UNVENTED NATURAL HEATER INSTALLATION If Using Mantel Continued You must have noncombustible material(s) above the fireplace opening. Noncombus- tible materials (such as slate, marble, tile, NOTICE: Manual control heaters etc.) must be at least 1/2 inch thick. With may be used as a vented product. sheet metal, you must have noncombustible If so, you must always run heater material behind it.
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Page 9: Floor Clearances
OWNER'S MANUAL Mantel Shelf INSTALLATION Continued Underside of Mantel Shelf MANTELCLEARANCES In addition to meeting noncombustible ma- terial clearances, you must also meet re- All minimum distances are quired clearances between fireplace open- in inches ing and mantel shelf. If you do not meet the Minimum Non- minimum clearances listed in Figure 6, you... -
Page 10: Installing Heater Base Assembly
UNVENTED NATURAL HEATER INSTALLATION Continued Clamp Damper INSTALLING DAMPER Damper __ CLAMPACCESSORYFOR VENTED OPERATION Damper..Note: When used as a vented beater, appli- ance must be installed only in a solid-fuel burning fireplace with a working flue and Clamp constructed of noncombustible material. -
Page 11: Connecting To Gas Supply
OWNER'S MANUAL CONNECTING TO GAS INSTALLATION _' CAUTION: Use pipe joint seal- SUPPLY Continued ant that is resistant to liquid pe- troleum (LP) gas. NOTICE: A qualified service per- Remove heater base from fireplace. son must connect heater to gas Install sediment trap in supply line as shown Drill holes at marked locations... -
Page 12: Checking Gas Connections
HEATER UNVENTED NATURAL INSTALLATION Pressure Testing Heater Gas Correct all leaks at once. Connections Light heater (see Operating Heater, Continued pages 14 and 15 [Thermostat-Con- Open manual shutoff valve (see Fig- trolled Models] or pages 15 and I6 CHECKING GAS ure 14). -
Page 13: Installing Logs
OWNER'S MANUAL INSTALLATION Rear Log (#1) Continued INSTALLING LOGS _k WARNING: Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury, Front Log (#3) _1= CAUTION: Do not remove the Figure 18 - Installing Front Log... -
Page 14: Operating Heater
UNVENTED NATURAL HEATER OPERATING Wait five (5) minutes to clear out any LIGHTING INSTRUCTIONS gas. Then smell for gas, including HEATER near the floor. If you smell gas, STOP! Follow "B" in the safety in- WARNING: Thermostat-Controlled formation. If you don't smell gas, go •... - Page 15 OWNER'S MANUAL OPERATING Variable Manually-Controlled INSTRUCTIONS LIGHTING Models HEATER Continued WARNING: SAFETY READ • If fireplace has glass doors, FOR YOUR never operate this heater with TO TURN OFF GAS BEFORE LIGHTING TO APPLIANCE glass doors closed. If you oper- ate heater with doors closed, WARNING: If you do not fol- Shutting...
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Page 16: Inspecting Burners
HEATER UNVENTED NATURAL OPERATING INSPECTING VARIABLE OPERATION CONTROL HEATER BURNERS The variable control valve can be set to Continued any heat setting and flame height desired Check pilot flame pattern and burner flame Wait five (5) minutes to clear out any patterns often. -
Page 17: Cleaning And Maintenance
OWNER'S MANUAL CLEANING INSPECTING Check the injector holder located at the end of the burner tube again. Remove any MAINTENANCE BURNERS large particles of dust, dirt, lint, or pet hairs with a soft cloth or vacuum cleaner nozzle, Continued Blow air into the primary air holes on WARNING: Turn off heater FRONT... -
Page 18: Troubleshooting
HEATER UNVENTED NATURAL TROUBLESHOOTING WARNING: Turn off and un- CAUTION: Never use a wire, needle, or similar object to clean plug heater and let cool before Note: For additional help, visit DESA servicing. Only a qualified ser- ODS/pilot. This can damage ODS/ International's Technical Service web vice person should service and... - Page 19 OWNER'S MANUAL TROUBLESHOOTING Continued REMEDY POSSIBLE CAUSE OBSERVED PROBLEM 1. Clean burner(s) (see Cleaning 1. Burner orifice(s) clogged One or both burners do not light after ODS/ Maintenance, page 17) or replace pilot is lit bttmer orifice(s) 2. Contact local propane/LP gas company 2.
- Page 20 UNVENTED NATURAL HEATER TROUBLESHOOTING Continued WARNING: If you smell gas • Shut off gas supply. • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.
- Page 21 OWNER'S MANUAL Bulb Thermostat Sensin OPTIONAL The mounting clip must be a minimum of 3" from bottom of fireplace to pre- POSITIONING vent crimping of capillary. Once you have decided on a location, clean the THERMOSTAT area thoroughly. Remove the paper SENSING BULB backing from the adhesive on back of...
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Page 22: Specifications
UNVENTED NATURAL HEATER SPECIFICATIONS CGG3324NT Model CGG2618N CGG3324N CGG3630N 20,000/33,000 Btu (Variable) 16,000/26,000 20,000/33,000 21,500/36,000 Natural Gas Only Type Gas Natural Gas Only Natural Gas Only Natural Gas Only Piezo Piezo Piezo Piezo Ignition 3.4" W.C. Pressure 3.4" W.C. 3.4" W.C. 3.4"... -
Page 23: Replacement Parts
OWNER'S MANUAL REPLACEMENT PARTS NOT UNDER When calling DESA International, have ready WARRANTY PARTS name • your Contact authorized dealers of this product. Note: Use only original replacement parts. • your address If they can't supply original replacement This will protect your warranty coverage for •... -
Page 24: Illustrated Parts Breakdown
HEATER UNVENTED NATURAL ILLUSTRATED PARTS BREAKDOWN CGG2618N CGG3324N CGG3630N Variable Manually-Controlled Models 27 27-1 27-2 _o,_,,_4... - Page 25 OWNER'S MANUAL PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 23 of this manual. CGG2618N CGG3324N CGG3630N Variable Manually-Controlled Models PART NUMBERFOR CGG2618N CGG3324N CGG3630N DESCRIPTION QTY.
- Page 26 UNVENTED NATURAL HEATER ILLUSTRATED PARTS BREAKDOWN CGG3324NT Thermostat-Controlled Model 103424...
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Page 27: Parts List
OWNER'S MANUAL PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 23 of this manual. CGG3324NT Thermostat-Controlled Model PART QTY. NUMBER DESCRIPTION 103682-04 Rear Log (#1) 103682-02 Bottom Middle Log (#2) 103682-01... -
Page 28: Warranty
WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No. Date Purchased Always specify model and serial numbers when communicating with the factory. We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standard written warranty.