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UNVENTED (VENT-FREE)
PROPANE/LP GAS LOG HEATER
(Variable Manually-Controlled Models Also Designed-Certified as
Vented Decorative Appliances)
OWNER’S OPERATION AND INSTALLATION MANUAL
CGG2618P,
CGG3324P(T), and
CGG3630P
Thermostat and
Variably-Controlled Models
WARNING: Improper installation, adjust-
WARNING: If the information in this
ment, alteration, service, or maintenance
manual is not followed exactly, a fire or
can cause injury or property damage.
explosion may result causing property
Refe
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UNVENTED (VENT-FREE) GAS LOG HEATER • do not touch any electrical switch; do 12. Before using furniture polish, wax, car- SAFETY not use any phone in your pet cleaner, or similar products, turn INFORMATION building heater off. If heated, the vapors from • immediately call your gas supplier these products may create a white pow- from a neighbor’s phone. Follow the der residue within burner box or on WARNINGS gas supplier’s instructions adjacent walls or furniture. IMPORTANT: Read this owner’s •
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OWNER’S MANUAL PRODUCT PRODUCT IDENTIFICATION FEATURES OPERATION Bottom Mid This heater is clean burning. It requires no Log (#2) Rear Log (#1) outside venting. There is no heat loss out a Top Log (#4) vent or up a chimney. Heat is generated by both realistic flames and glowing coals. This heater is designed for vent-free opera- tion. It has been tested and approved to ANS Z21.11.2 standard for unvented heaters. State Front and local codes in some areas prohibit the Burner use of vent-free heate
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UNVENTED (VENT-FREE) GAS LOG HEATER Confined and Unconfined Space PROVIDING ADEQUATE AIR FOR VENTILATION The National Fuel Gas Code (ANS Z223.1, COMBUSTION AND 1992 Section 5.3) defines a confined space The following are excerpts from National VENTILATION as a space whose volume is less than 50 Fuel Gas Code. NFPA 54/ANS Z223.1, Sec- 3 cubic feet per 1,000 Btu per hour (4.8 m per tion 5.3, Air for Combustion and Ventilation. kw) of the aggregate input rating of all WARNING: This heater shall Al
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OWNER’S MANUAL AIR FOR COMBUSTION AND 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. 1. Determine the volume of the space (length x width x height). Length x Width x Height = ________________ cu. f
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UNVENTED (VENT-FREE) GAS LOG HEATER AIR FOR COMBUSTION AND 12" VENTILATION Continued Ventilation Ventilation Grills Grills VENTILATION AIR Into Adjoining Room, Into Adjoining Or Option 2 Room, Ventilation Air From Inside Remove Option 1 Building Door into Adjoining This fresh air would come from an adjoining Room, unconfined space. When ventilating to an Option adjoining unconfined space, you must pro- 3 vide two permanent openings: one within 12" of the ceiling and one within 12" of the floo
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OWNER’S MANUAL INSTALLATION AND INSTALLATION WARNING: Never install the CLEARANCES heater (Vent-Free 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 pliance, see page 10 this heater along with your pri- WARNING: Maintain the mini- • in a recreational vehicle mary heating system. Do not in- mum clearances. If you can, pro- • where curtains, furniture, stall this heater as your primary vide greater c
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UNVENTED (VENT-FREE) GAS LOG HEATER If Using Mantel if noncombustible material is more than INSTALLATION 12", you may need the hood accessory to You must have noncombustible material(s) Continued deflect heat away from your mantel shelf. above the fireplace opening. Noncombus- See Figure 5 and Figures 6 and 7, page 9, for tible materials (such as slate, marble, tile, NOTICE: Manual control heaters minimum clearances. etc.) must be at least 1/2 inch thick. With may be used as a vented product. sh
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OWNER’S MANUAL Mantel Shelf INSTALLATION 10" Continued Underside of 8" Mantel Shelf 6" MANTEL CLEARANCES 1 2 /2" In addition to meeting noncombustible mate- rial clearances, you must also meet required All minimum clearances between fireplace opening and distances are in inches mantel shelf. If you do not meet the clear- Minimum Non- ances listed below, you will need a hood. (A) Combustible Log Set Material 12" 20" 25" 28" 30" 24"/30" Models Determining Minimum Mantel 8" 14" 17" 19" 20" 18" M
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UNVENTED (VENT-FREE) GAS LOG HEATER See chart below for minimum permanent INSTALLATION WARNING: If installing in a flue opening you must provide. Attach Continued sunken fireplace, special care is damper clamp so the minimum permanent needed. You must raise the fire- flue opening will be maintained at all times. INSTALLING DAMPER place floor to allow access to CLAMP ACCESSORY FOR heater control panel. This will in- Chimney Minimum Permanent sure adequate air flow and guard VENTED OPERATION Heig
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OWNER’S MANUAL Heater Gas INSTALLATION Regulator Installation Items Needed • hardware package (provided with heater) • approved flexible gas hose (not provided) Flexible Gas Hose (if (if allowed by local codes) allowed by local codes) • sealant (resistant to propane/LP gas, not provided) Figure 11 - Attaching Flexible Gas Hose to Heater Gas Regulator • electric drill with 3/16" masonry drill bit 1. Apply pipe joint sealant lightly to male threads of gas connector and install into regulator. Conn
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UNVENTED (VENT-FREE) GAS LOG HEATER External Regulator Installation must include a manual shutoff Propane/LP INSTALLATION Supply Tank valve, union, and plugged 1/8" NPT tap. Locate NPT tap within reach for test gauge hook up. NPT tap must be upstream from CONNECTING TO GAS heater (see Figure 14). SUPPLY Apply pipe joint sealant lightly to male WARNING: A qualified ser- threads. This will prevent excess sealant from going into pipe. Excess sealant in pipe vice person must connect heater could re
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OWNER’S MANUAL Test Pressures Equal To or Less Than Pressure Testing Heater Gas INSTALLATION 1/2 PSIG Connections Continued 1. Close manual shutoff valve (see Fig- 1. Open manual shutoff valve (see Fig- ure 15). CHECKING GAS ure 15). 2. Pressurize supply piping system by ei- CONNECTIONS 2. Open propane/LP supply tank valve. ther using compressed air or opening 3. Make sure control knob of heater is in propane/LP supply tank valve. WARNING: Test all gas pip- the OFF position. 3. Check all joints
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4 4 3 2 UNVENTED (VENT-FREE) GAS LOG HEATER Front Log (#3) INSTALLATION Rear Log (#1) Continued INSTALLING LOGS 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. Each log is marked with a number. These numbers will help you identify the log when Figure 19 - Installing Front Log installing. It is very important to install these logs exactly as instructed. D
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OWNER’S MANUAL 4. Wait five (5) minutes to clear out any LIGHTING OPERATING gas. Then smell for gas, including INSTRUCTIONS near the floor. If you smell gas, HEATER STOP! Follow “B” in the safety in- Thermostat-Controlled WARNING: formation, column 1. If you don’t Models • If fireplace has glass doors, smell gas, go to the next step. never operate this heater with FOR YOUR SAFETY 5. Turn control knob counterclockwise glass doors closed. If you oper- to the PILOT position. Press READ BEFORE at
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UNVENTED (VENT-FREE) GAS LOG HEATER Variable Manually-Controlled LIGHTING OPERATING Models INSTRUCTIONS HEATER Continued FOR YOUR WARNING: SAFETY READ • If fireplace has glass doors, TO TURN OFF GAS BEFORE LIGHTING never operate this heater with TO APPLIANCE glass doors closed. If you oper- WARNING: If you do not fol- ate heater with doors closed, Shutting Off Heater heat buildup inside fireplace will low these instructions exactly, a Turn control knob clockwise cause glass to burst. Also if
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OWNER’S MANUAL VARIABLE CONTROL OPERATING INSPECTING OPERATION HEATER BURNERS The variable control valve can be set to Continued Check pilot flame pattern and burner flame any heat setting and flame height desired patterns often. 4. Wait five (5) minutes to clear out any between high and low by simply turning gas. Then smell for gas, including the control knob until that setting is at- PILOT FLAME PATTERN near the floor. If you smell gas, tained. Even the lowest setting provides Figure 25 shows
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UNVENTED (VENT-FREE) GAS LOG HEATER 4. Check the injector holder located at the INSPECTING CLEANING AND end of the burner tube again. Remove BURNERS MAINTENANCE any large particles of dust, dirt, lint, or pet hairs with a soft cloth or vacuum Continued cleaner nozzle. WARNING: Turn off heater FRONT BURNER FLAME 5. Blow air into the primary air holes on and let cool before cleaning. PATTERN the injector holder. 6. In case any large clumps of dust have Figure 27 shows correct front burner flame
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OWNER’S MANUAL TROUBLESHOOTING WARNING: Turn off and un- CAUTION: Never use a wire, plug heater and let cool before needle, or similar object to clean 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 pilot unit. site at www.desatech.com. repair heater. Note: All troubleshooting items are listed in order of operation. REMEDY OBSERVED PROBLEM POSSIBLE CAUSE 1. Reconnect ignit
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UNVENTED (VENT-FREE) GAS LOG HEATER TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY One or both burners do not light after ODS/ 1. Burner orifice(s) clogged 1. Clean burner(s) (see Cleaning and pilot is lit Maintenance, page 18) or replace burner orifice(s) 2. Inlet gas pressure is too low 2. Contact local propane/LP gas company 3. Mislocated crossover tube 3. Contact qualified service person 4. Burner orifice(s) diameter is too small 4. Replace burner orifice(s) Delayed ignitio
