Desa CGS2718N - Manuals - manualsarea.com

Page 2 - CONTENTS; SECTION; SAFETY; WARNINGS; Carbon monoxide poisoning may lead to death!; Early signs of carbon monoxide poisoning resemble; Natural Gas; Safety Information continues on next page

2 102988 CONTENTS SECTION PAGE SAFETY INFORMATION WARNINGS IMPORTANT: Read this owner’s manual carefully and completely beforetrying to assemble, operate, or service this heater. Improper use of thisheater can cause serious injury or death from burns, fire, explosion,electrical shock, and carbon mon...

Page 3 - Continued

3 102988 SAFETY INFORMATION Continued WARNINGS Continued WARNING: Any change to this heater or its controls can be dangerous. 1. This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases. 2. If you smell gas • shut o...

Page 4 - Front Log

4 102988 PRODUCT IDENTIFICATION Figure 1 - Vent-Free Gas Log Heater LOCAL CODES Install and use heater with care. Follow all local codes. In the absence of localcodes, use the latest edition of The National Fuel Gas Code ANSI Z223, alsoknown as NFPA 54*.*Available from: American National Standards I...

Page 5 - WARNING; Confined Space and Unconfined Space; per; PROVIDING ADEQUATE VENTILATION; Unusually Tight Construction

5 102988 AIR FOR COMBUSTION AND VENTILATION WARNING This heater shall not be installed in a confined space unlessprovisions are provided for adequate combustion and ventilationair. Read the following instructions to insure proper fresh air forthis and other fuel-burning appliances in your home. Toda...

Page 6 - Determining if You Have a Confined or Unconfined Space

6 102988 AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install heater plus any adjoin...

Page 7 - National Fuel; VENTILATION AIR; Ventilation Air From Inside Building; Figure 3 - Ventilation Air from Outdoors; Ventilation Air From Outdoors; Figure 2 - Ventilation Air from Inside Building

7 102988 AIR FOR COMBUSTION AND VENTILATION Continued WARNING If the area in which the heater may be operated is smaller than thatdefined as an unconfined space, provide adequate combustion andventilation air by one of the methods described in the National Fuel Gas Code, ANSI Z223.1, 1992, Section 5...

Page 8 - INSTALLING; CHECK GAS TYPE; Vent-free heaters add moisture to the air. Although this is benefi-

8 102988 WARNING Never install the heater • in a bedroom or bathroom except as a vented appliance (see page 13) • in a recreational vehicle• where curtains, furniture, clothing, or other flammable objects are less than 36 inches from the front, top, or sides of the heater • in high traffic areas• in...

Page 9 - Minimum Wall and Ceiling Clearances (see Figure 4); should not be less than 16 inches.; LOG SIZING REQUIREMENTS

9 102988 INSTALLATION AND CLEARANCES (Vent-Free Operation Only) WARNING Maintain the minimum clearances. If you can, provide greater clear-ances from floor, ceiling, and adjoining wall. INSTALLING Continued Carefully follow the instructions below. This will ensure safe installation into amasonry, U....

Page 10 - NOTICE; Installing Damper Clamp; Minimum Non Combustible Material Clearances; If you cannot meet these minimum clearances, you must operate; Requirements for; Non combustible material okay.

10 102988 INSTALLING Continued NOTICE You may use this heater as a vented product. If so, you mustalways run heater with chimney flue damper open. If runningheater with damper open, non-combustible material above fire-place opening is not needed. Go to Installing Damper Clamp Accessory for Vented Op...

Page 11 - If Using Mantel; Mantel Clearances

11 102988 INSTALLING Continued Minimum Non Combustible Material Clearances If Using Mantel You must have non combustible material(s) above the fireplace opening. Noncombustible materials (such as slate, marble, tile, etc.) must be at least 1/2 inchthick. With sheet metal, you must have non combustib...

Page 12 - Floor Clearances

12 102988 14"Min. Combustible Material Non-Combustible Material Hearth 5"Min. Combustible Material Minimum Non-Combustible Material 8"Min. 12" 15" 18" All minimum distances arein inches Log Set 18" and 24" Models 20" 2 1 /2 " 6" 8" 10" 12" Dist...

Page 13 - Damper

13 102988 INSTALLING Continued INSTALLING DAMPER CLAMP ACCESSORY FORVENTED OPERATION Note: When used as a vented heater, appliance must be installed only in a solid- fuel burning fireplace with a working flue and constructed of non combustiblematerial.If your heater is a manually controlled model, y...

Page 14 - will not work properly.; Installation Items Needed; Hold gas regulator with wrench when connecting flexible gas hose.

14 102988 INSTALLING Continued INSTALLING HEATER BASE ASSEMBLY IMPORTANT: Make sure the heater burners are level. If heater is not level, heater will not work properly. Installation Items Needed • hardware package (provided with heater)• approved flexible gas hose (not provided) (if allowed by local...

Page 15 - Masonry Screw; Figure 11 - Attaching Flexible Gas Hose to Heater Gas Regulator; Fitting; Figure 12 - Attaching Base Assembly to Fireplace Floor

15 102988 INSTALLING Continued Masonry Screw MountingBracket Heater GasRegulator Flexible Gas Hose(if allowed by local codes) Figure 11 - Attaching Flexible Gas Hose to Heater Gas Regulator Fitting Figure 12 - Attaching Base Assembly to Fireplace Floor

Page 16 - CAUTION

16 102988 INSTALLING Continued CONNECTING TO GAS SUPPLY NOTICE A qualified service person must connect heater to gas supply.Follow all local codes. Installation Items Needed Before installing heater, make sure you have the items listed below. • piping (check local codes)• sealant (resistant to propa...

Page 17 - Figure 13 - Gas Connection; CHECKING GAS CONNECTIONS; Pressure Testing gas Supply Piping system; Test Pressures In Excess Of 1/2 PSIG

17 102988 Tee Joint Pipe Nipple Cap 3" Minimum Sediment Trap GasRegulator From Gas Meter (5" W.C.** to 10.5" W.C. Pressure) A.G.A. Design-CertifiedManual Shutoff ValveWith 1/8" NPT Tap* Approved FlexibleGas Hose (if allowedby local codes) CAUTION Avoid damage to regulator. Hold gas r...

Page 18 - Test Pressures Equal To or Less Than 1/2 PSIG; main gas valve located on or near gas meter.; Pressure Testing Heater Gas Connections; internal joints for leaks.; Figure 14 - Manual Shutoff Valve; Open; Figure 15 - Checking Gas Joints; Gas Meter

18 102988 3. Pressurize supply piping system by either using compressed air or opening main gas valve located on or near gas meter. 4. Check all joints of gas supply piping system. Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak. 5. Correct all leaks at once.6. Re-c...

Page 19 - INSTALLING LOGS

19 102988 INSTALLING Continued WARNING ICON G 001 WARNING Failure to position the parts in accordance with these diagrams or failureto use only parts specifically approved with this heater may result inproperty damage or personal injury. Each log is marked with a number. These numbers will help you ...

Page 20 - FOR YOUR SAFETY READ BEFORE LIGHTING; LIGHTING INSTRUCTIONS; fireplace screen is closed before running heater.; OPERATING

20 102988 1. STOP! Read the safety information above. 2. Make sure manual shutoff valve is fully open. 3. Press in and turn control knob clockwise Clockwise to the OFF position. 4. Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follo...

Page 21 - TO TURN OFF GAS TO APPLIANCE; Shutting Off Heater; Shutting Off Burners Only (pilot stays lit); Do not operate heater between PILOT and HIGH positions.; VARIABLE CONTROL OPERATION

21 102988 TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. Press in and turn control knob clockwise Clockwise to the HIGH position. 2. Turn control knob clockwise Clockwise to the pilot position. 3. Press in control knob and turn clockwise Clockwise to the OFF position. Shutting Off Burners Only ...

Page 22 - Check pilot flame pattern and burner flame patterns often.; PILOT FLAME PATTERN; Figure 21 - Correct Pilot; Pilot Burner; Figure 22 - Incorrect Pilot; MANUAL LIGHTING PROCEDURE; release control knob. Now follow step 8 on page 21.

22 102988 INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often. PILOT FLAME PATTERN Figure 21 shows a correct pilot flame pattern. Figure 22 shows an incorrect pilot flamepattern. The incorrect pilot flame is not touching the thermocouple. This will cause thethermocouple to c...

Page 23 - Turn off heater and let cool before cleaning.; SHOOTING; ing items are listed in; REMEDY; LOGS

23 102988 CLEANING AND MAINTENANCE WARNING Turn off heater and let cool before cleaning. CAUTION You must keep control areas, burner, and circulating air passage-ways of heater clean. Inspect these areas of heater before eachuse. Have heater inspected yearly by a qualified service person.Heater may ...

Page 26 - If you smell gas; See Warning; Operating heater where impurities in air exist may create odors.

26 102988 TROUBLE- SHOOTING 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 27 - SPECIFICATIONS; When gas pressure is too low; SERVICE

27 102988 TECHNICAL SERVICE You may have further questions about installation, operation, or troubleshooting.If so, contact DESA International’s Technical Service Department at1-800-DESA LOG (1-800-337-2564). SPECIFICATIONS 18" Model 24" Model Btu (Variable) 16,000/27,000 16,000/31,500 Type ...

Page 28 - age for parts replaced under warranty.; Parts Under Warranty; Parts Not Under Warranty; When calling DESA International, have ready; REPLACEMENT

28 102988 Note: Use only original replacement parts. This will protect your warranty cover- age for parts replaced under warranty. Parts Under Warranty Contact authorized dealers of this product. If they can’t supply original replace-ment part(s), call DESA International’s Technical Service Departme...

Page 29 - ACCESSORIES

29 102988 ACCESSORIES Purchase these fireplace accessories from your local dealer. If they can not supplythese accessories, either contact your nearest Parts Central (see page 28) or callDESA International’s Sales Department at 1-800-458-2472 for information. Youcan also write to the address listed ...

Page 31 - PARTS LIST

31 102988 This list contains replaceable parts used in your heater. When ordering parts,follow the instructions listed under Replacement Parts on page 28 of this manual. PARTS LIST KEY CGS2718N CGS3124N NO. PART NUMBER PART NUMBER DESCRIPTION QTY. 1 103729-02 103729-01 Back Log (#1) 1 2 103730-02 10...

Page 32 - For information about this warranty write:; KEEP THIS WARRANTY; WARRANTY INFORMATION; Model

LIMITED WARRANTY COMFORT GLOW VENT-FREE NATURAL GAS LOG HEATERS DESA International warrants this product to be free from defects in materials and components for two (2) years from thedate of first purchase, provided that the product has been properly installed, operated and maintained in accordance ...