Instruction/ maintenance manual of the product CG3630PT Desa Tech
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Save this manual for future reference. UNVENTED (VENT -FREE) PROP ANE / LP GAS LOG HEA TER LO PILOT OFF HI CG3324PT , CG3630PT , CG2618PV , CG3324PV , and CG3630PV Thermostat and V ariably-Controlled .
2 101992 CONTENTS SECTION PAGE SAFETY INFORMA TION W ARNINGS IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, operate, or service this heater. Improper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning.
3 101992 SAFETY INFORMA TION Continued W ARNINGS 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.
4 101992 PRODUCT IDENTIFICA TION Front Log Control Knob Figure 1 - Vent-Free Gas Log Heater Rear Log Base Assembly LOCAL CODES Install and use heater with care. Follow all local codes. In the absence of local codes, use the latest edition of The National Fuel Gas Code ANSI Z223, also known as NFPA 54*.
5 101992 AIR FOR COMBUSTION AND VENTILA TION WARNING ICON G 001 W ARNING This heater shall not be installed in a confined space unless provisions are provided for adequate combustion and ventilation air. Read the following instructions to insure proper fresh air for this and other fuel-burning appliances in your home.
6 101992 AIR FOR COMBUSTION AND VENTILA TION 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.
7 101992 AIR FOR COMBUSTION AND VENTILA TION Continued WARNING ICON G 001 W ARNING If the area in which the heater may be operated is smaller than that defined as an unconfined space, provide adequate combus- tion and ventilation air by one of the methods described in the National Fuel Gas Code, ANSI Z223.
8 101992 INST ALLING NOTICE A qualified service person must install heater. Follow all local codes. W ARNING Before installing in a previously-used wood-burning fireplace, clean chimney flue and firebox. Make sure flue is free of any creosote. Creosote will ignite if highly heated.
9 101992 INST ALLING Continued INSTALLATION AND CLEARANCES (Vent-Free Operation Only) Figure 4 - Minimum Clearance to Wall and Ceiling Continued W ARNING Maintain the minimum clearances. If you can, provide greater clear- ances from floor, ceiling, and adjoining wall.
10 101992 Heat Resistant Material (A) INST ALLING Continued NOTICE Manual control heaters may be used as a vented product. If so, you must always run heater with chimney flue damper open. If running heater with damper open, non-combustible material above fireplace opening is not needed.
11 101992 Minimum Non- Combustible Material Minimum Non- Combustible Material Height Distances to Underside of Mantel Top of Fireplace Opening Underside of Mantel Shelf 12" 8" (A) 20" 1.
12 101992 14" Min. Combustible Material Non-Combustible Material Hearth 5" Min. Combustible Material INST ALLING Continued Floor Clearances A. If installing appliance on the floor level, you must maintain the minimum distance of 14" to combustibles (see Figure 8).
13 101992 INST ALLING Continued INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED 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 combustible material.
14 101992 INST ALLING Continued INSTALLING HEATER BASE ASSEMBLY W ARNING If installing in a sunken fireplace, special care is needed. You must raise the fireplace floor to allow access to heater control panel. This will insure adequate air flow and guard against soot- ing.
15 101992 INST ALLING Continued Mounting Bracket Masonry Screw Figure 12 - Attaching Mounting Brackets to Heater CONNECTING TO GAS SUPPLY NOTICE A qualified service person must connect heater to gas supply. Follow all local codes. CAUTION Never connect heater directly to the propane/LP supply.
16 101992 INST ALLING Continued The installer must supply an external regulator. The external regulator will reduce incoming gas pressure. You must reduce incoming gas pressure to between 11 and 14 inches of water. If you do not reduce incoming gas pressure, heater regulator damage could occur.
17 101992 Tee Joint Pipe Nipple Cap 3" Minimum Sediment Trap Gas Regulator From External Regulator (11" W.C.** to 14" W.C. Pressure) A.G.A. Design-Certified Manual Shutoff Valve With 1/8" NPT Tap* Approved Flexible Gas Hose (if allowed by local codes) CAUTION Avoid damage to regulator.
18 101992 ON POSITION OFF POSITION 3. Pressurize supply piping system by either using compressed air or opening propane/LP supply tank valve. 4. Check all joints of gas supply piping system. Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak.
19 101992 Each log is marked with a number. These numbers will help you identify the log when installing. It is very important to install these logs exactly as instructed. Do not modify logs. Only use logs supplied with heater. 1. Slide front log (#1) into place behind front burner.
20 101992 PILOT OFF LO HI OPERA TING HEA TER 1. STOP! Read the safety information above. 2. Make sure manual shutoff valve is fully open. 3. Turn control knob clockwise to the OFF position. Figure 20 - Control Knob and Ignitor Button Location Control Knob Ignitor Button 4.
21 101992 OPERA TING HEA TER Continued 5. Turn control knob counterclockwise to the PILOT position. Press in control knob for five (5) seconds (see Page 20). Note: You may be running this heater for the first time after hooking up to gas supply. If so, the control knob may need to be pressed in for 30 seconds or less.
22 101992 INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often. PILOT FLAME PATTERN Figure 22 shows a correct pilot flame pattern. Figure 23 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching the thermocouple.
23 101992 CLEANING AND MAINTENANCE W ARNING Turn off heater and let cool before cleaning. CAUTION You must keep control areas, burners, and circulating air passage- ways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a qualified service person.
24 101992 TROUBLE- SHOOTING Continued REMEDY 1. Turn on gas supply or open manual shutoff valve 2. Turn control knob to PILOT position 3 . Press in control knob while in PILOT position 4. Continue holding down control knob. Repeat igniting operation until air is removed 5.
25 101992 OBSERVED PROBLEM One or both burners do not light after ODS/pilot is lit Delayed ignition of one or both burners Burner backfiring during combustion Yellow flame in front burner during burne.
26 101992 TROUBLE- SHOOTING Continued W ARNING 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.
27 101992 OPTIONAL POSITIONING OF THERMOST A T SENSING BULB For Masonry and Factory-built Metal Fireplace If your log set cycles to pilot, but the room temperature drops to a lower than ideal comfort level before the log set comes back on, you may want to reposi- tion the thermostat sensing bulb.
28 101992 OPTIONAL POSITIONING OF THERMOST A T SENSING BULB For Masonry and Factory-built Metal Fireplace Continued Adhesive-backed Mounting Clip Figure 29 - Locating Thermostat Sensing Bulb on Masonry Fireplace Thermostat Sensing Bulb If you have a factory-built metal fireplace, see Figure 29 for location.
29 101992 TECHNICAL SERVICE You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-DESA LOG (1-800-337-2564).
30 101992 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 replacement part(s), call DESA International’s Technical Service Department at 1-800-323-5190.
31 101992 ACCESSORIES Purchase these heater accessories from your local dealer. If they can not supply these accessories, call DESA International’s Parts Department at 1-800-972-7879 for information. You can also write to the address listed on the back page of this manual.
32 101992 ILLUSTRA TED P ARTS BREAK- DOWN Variably Controlled Models 3 29 28 6 7 8 28 28 25 10 9 10 11 12 13 1 14 16 20 22 23 29-1 29-2 25 19 18 24 17 2 1 7-1 7-2 26 4 5 27 3.
33 101992 P ARTS LIST Variably Controlled Models This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 30 of this manual. KEY PART NUMBER FOR NO. CG2618PV CG3324PV CG3630PV DESCRIPTION QTY.
34 101992 ILLUSTRA TED P ARTS BREAK- DOWN Thermostat- Controlled Models 3 29 30 6 7 8 30 30 26 10 9 10 11 12 13 15 14 16 21 23 2 29-1 29-2 26 19 20 18 25 17 2 1 7-1 7-2 4 5 27 30 3.
35 101992 P ARTS LIST Thermostat- Controlled Models This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 30 of this manual. KEY PART NUMBER FOR NO. CG3324PT CG3630PT DESCRIPTION QTY.
KEEP THIS WARRANTY W ARRANTY INFORMA TION 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.
An important point after buying a device Desa Tech CG3630PT (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Desa Tech CG3630PT yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Desa Tech CG3630PT - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Desa Tech CG3630PT you will learn all the available features of the product, as well as information on its operation. The information that you get Desa Tech CG3630PT will certainly help you make a decision on the purchase.
If you already are a holder of Desa Tech CG3630PT, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Desa Tech CG3630PT.
However, one of the most important roles played by the user manual is to help in solving problems with Desa Tech CG3630PT. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Desa Tech CG3630PT along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
