Desa VMH26PRB manual

Save this manual for future reference. For more information, visit www.desatech.com 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. — Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other [...]

www.desatech.com 113110-01A 2 WARNING: Improper installation, adjustment, altera- tion, service, or maintenance can cause injury or prop- erty damage. Refer to this manual for correct installation and operational procedures. For assistance or addi- tional information consult a qualified installer, service agency, or the gas supplier. WARNING: This [...]

www.desatech.com 113110-01A 3 SAFETY INFORMATION WARNING: This product con- tains and/or generates chemi- cals known to the State of Cali- fornia to cause cancer or birth defects, or other reproductive harm. IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, oper- ate, or service this fireplace. Im- proper use[...]

www.desatech.com 113110-01A 4 1. This appliance is only for use with the type of gas indicated on the rating plate. This appli- ance is not convertible for use with other gases. 2. Do not place propane/LP supply tank(s) in- side any structure. Locate propane/LP supply tank(s) outdoors. 3. If you smell gas • shut off gas supply • do not try to l[...]

www.desatech.com 113110-01A 5 OPTIONAL REMOTE CONTROL ACCESSORIES There are four optional remote controls that can be purchased separately: • wall switch • hand-held ON/OFF remote • wall thermostat • hand-held thermostat remote See Accessories , pages 36 and 37. LOCAL CODES Install and use fireplace with care. Follow all lo- cal codes. In t[...]

www.desatech.com 113110-01A 6 4. Locate four black phillips sheet metal screws from the hardware packet. 5. Rotate hood as shown in Figure 3. Make sure hood tabs point toward fireplace. 6. Insert hood tabs between baf fle and louvers (see Figure 3). 7. Gently rotate hood to upright position. Make sure hood tabs are behind louvers and hood is restin[...]

www.desatech.com 113110-01A 7 Unusually tight construction is defined as construction where: a. walls and ceilings exposed to the out- side atmosphere have a continuous water vapor retar der with a rating of one perm (6 x 10 -11 kg per pa-sec-m 2 ) or less with openings gasketed or sealed and b. weather stripping has been added on openable windows [...]

www.desatech.com 113110-01A 8 The space in the above example is a confined space because the actual Btu/Hr used is more than the maximum Btu/Hr the space can support. Y ou must provide additional fresh air . Y our options are as follows: A. Rework worksheet, adding the space of an ad- joining room. If the extra space provides an unconfined space, r[...]

www.desatech.com 113110-01A 9 INSTALLATION NOTICE: This heater is intended for use as supplemental heat. Use this heater along with your primary heating system. Do not install this heater as your pri- mary heat source. If you have a central heating system, you may run system’s circulating blower while using heater. This will help circulate the he[...]

www.desatech.com 113110-01A 10 MINIMUM CLEARANCE TO COMBUSTIBLE MATERIALS Top Left and Bottom Right Sides and Rear 36" 6" 0" FIREPLACE CLEARANCES WARNING: Maintain the minimum clearances shown in Figure 6. If you can, provide greater clearances from floor, ceiling, and joining wall. If your fireplace is to be used with an optional ma[...]

www.desatech.com 113110-01A 11 26 7 / 8 " 26 7 / 8 " 3/4" Off The Floor Minimum 10 1 / 2 " Figure 7 - Rough Opening for Installing in Wall 36 5 / 8 " 25 7 / 8 " 51 3 / 4 " 26 7 / 8 " Figure 8 - Rough Opening for Installing in Corner INSTALLATION Continued 4. If you have not assembled firebox, follow in- struc[...]

www.desatech.com 113110-01A 12 Mantel Shelf Side of Firebox 13" 16" 19" 21" 2 1 / 2 " 6" 8" 10" Note: All vertical measurements are from top of fireplace opening to bottom of mantel shelf. All measurements are in inches. INSTALLATION Continued WARNING: Do not allow non- combustible materials to cover any nece[...]

www.desatech.com 113110-01A 13 INSTALLATION Continued Figure 12 - Attaching Perimeter Trim, Mantel and Base 1 1. Cut an access hole in base to run flexible gas line to fireplace (see Figure 12). Make sure to locate access hole so mantel will cover it when installed. Note: Y ou can secure base to floor using wood screws. Countersink screw heads and [...]

www.desatech.com 113110-01A 14 INSTALLATION Continued Installing Blower Accessory CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dan- gerous operation. CAUTION: Verify proper op- eration after servicing. Note: If you are using a mantel with your fireplace, use the following instructions[...]

www.desatech.com 113110-01A 15 INSTALLATION Continued Figure 17 - Installing Switch Plate to Valve Cover Shield Valve Cover Shield Switch Plate Screw For Built-In Installation WARNING: A licensed elec- trician must connect the wiring harness to electrical supply fol- lowing all local codes. Electri- cian must provide a clamp on the box cover to sec[...]

www.desatech.com 113110-01A 16 INSTALLATION Continued Propane/LP Supply Tank CONNECTING TO GAS SUPPLY WARNING: This appliance re- quires a 45° male flare fitting 5/8"- 18 UNF (Unified National Fine Thread) inlet connection and the flexible gas line provided. WARNING: A qualified ser- vice person must connect fire- place to gas supply. Follow [...]

www.desatech.com 113110-01A 17 INSTALLATION Continued * Purchase the optional CSA design-certified equipment shutoff valve from your dealer . See Ac- cessories, pages 36 and 37. Figure 21 - Gas Connection CSA Design-Certified Equipment Shutoff Valve With 1/8" NPT Tap* 3" Minimum Approved Flexible Gas Line Pipe Nipple Cap Tee Joint Propane[...]

www.desatech.com 113110-01A 18 ➞ ➞ 4. Check all gas connections for leaks. See Checking Gas Connections . 5. Replace branch support back into fireplace. Feed flexible gas line into fireplace base area while replacing branch support. Make sure the entire flexible gas line is in fireplace base area. Reattach branch support to fireplace with screw[...]

www.desatech.com 113110-01A 19 Pressure Testing Fireplace Gas Connections 1. Open equipment shutoff valve (see Figure 24, page 18). 2. Open main gas valve located on or near gas meter for natural gas or open propane/LP sup- ply tank valve. 3. Make sure control knob of fireplace is in the OFF position. 4. Check all joints from equipment shutoff valv[...]

www.desatech.com 113110-01A 20 Figure 29 - Installing Remote Receiver * W ire harness provided in the fireplace hard- ware pack. Wires from Valve Wire Harness* Black Wire Red Wire Red Wire Black Wire Remote Receiver INSTALLATION Continued Installing 9-Volt Battery in Hand-Held Remote Control Unit 1. Remove battery cover on back of remote con- trol [...]

www.desatech.com 113110-01A 21 Figure 33 - Back View of Thermostat Base Feed wires through rectangular slots W R Figure 34 - Thermostat Base Terminals “W” and “R” Terminal “W” Terminal “R” INSTALLATION Continued 6. Connect one bare wire end to each terminal (“W” and “R”) of the thermostat base (see Figure 34). 7. Install the[...]

www.desatech.com 113110-01A 22 OPERATING FIREPLACE FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result causing property damage, per- sonal injury or loss of life. A. This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions[...]

www.desatech.com 113110-01A 23 OPERATING FIREPLACE Continued 8. Keep contr ol knob pressed in for 30 sec- onds after lighting pilot. After 30 seconds, release control knob. • If control knob does not pop out when r e- leased, contact a qualified service person or gas supplier for r epairs. Note: If pilot goes out, repeat steps 4 through 8. 9. Sli[...]

www.desatech.com 113110-01A 24 Figure 39 - Setting the Selector Switch, Control Knob, and Flame Adjustment Knob for Hand-Held Remote Operation O F F P I L O T O N L O I H REMOTE OFF ON Flame Adjustment Knob Control Knob Selector Switch in REMOTE Position (Optional Hand-Held Remote Control) Figure 40 - On/Off Hand-Held Remote Control Unit (GHRCB) Co[...]

www.desatech.com 113110-01A 25 Key Pad Lock Feature This feature allows the user to lock/unlock the keypad on the hand-held remote in the MANU or AUTO mode to pr event inadvertent opera- tion (i.e. children operating the hand-held r e- mote control, etc.). The keypad is locked in ei- ther on or off. Press the POWER and LOCK buttons together to turn[...]

www.desatech.com 113110-01A 26 Figure 45 - Correct Burner Flame Pattern Figure 46 - Incorrect Burner Flame Pattern 10,000 Btu/Hr Units 26,000 Btu/Hr Units 10,000 Btu/Hr Units 26,000 Btu/Hr Units BURNER FLAME PATTERN Figure 45 shows a correct burner flame pattern. Figure 46 shows an incorrect burner flame pat- tern. The incorrect burner flame patter[...]

www.desatech.com 113110-01A 27 3. Blow air through the ports/slots and holes in the burner . 4. Check the injector holder located at the end of the burner tube again. Remove any large particles of dust, dirt, lint, or pet hair with a soft cloth or vacuum cleaner nozzle. 5. Blow air into the primary air holes on the in- jector holder . 6. In case an[...]

www.desatech.com 113110-01A 28 TROUBLESHOOTING WARNING: Turn off and unplug fireplace and let cool before servicing. Only a qualified service person should service and repair fireplace. CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/pilot unit. Note: All troubleshooting items are listed in order of oper[...]

www.desatech.com 113110-01A 29 POSSIBLE CAUSE 1 . Control knob not fully pressed in 2. Control knob not pressed in long enough 3. Safety interlock system has been triggered 4. Equipment shutoff valve not fully open 5. Pilot flame not touching ther- mocouple, which allows ther- mocouple to cool, causing pilot flame to go out. This problem could be c[...]

www.desatech.com 113110-01A 30 OBSERVED PROBLEM Slight smoke or odor during ini- tial operation Fireplace produces a whistling noise when burner is lit White powder residue forming within burner box or on adjacent walls or furniture Moisture/condensation noticed on windows REMEDY 1. Problem will stop after a few hours of operation 2. Check burner f[...]

www.desatech.com 113110-01A 31 REMEDY 1. Replace 9-volt batteries in re- ceiver and remote control 1. This is common with most fire- places. If noise is excessive, contact qualified service person 1 . Open window to ventilate room. Stop using odor causing products while fireplace is running 2. Refill supply tank (propane/LP only) 3. Locate and corr[...]

www.desatech.com 113110-01A 32 Remote-Ready Models Remote-Ready Models VMH26PRB, EFS26PRA VMH26NRB, EFS26NRA Btu/Hr 14,000/26,000 14,000/26,000 T ype Gas Propane/LP Gas Only Natural Gas Only Ignition Piezo Piezo Manifold Pressure 8" W .C. 3.5" W .C. Inlet Gas Pressure (in. of water) Maximum 14" 10.5" Minimum* 1 1" 5" D[...]

www.desatech.com 113110-01A 33 SERVICE HINTS When Gas Pressure Is Too Low • pilot will not stay lit • burners will have delayed ignition • fireplace will not produce specified heat • for propane/LP units, propane/LP gas supply may be low Y ou may feel your gas pressure is too low . If so, con- tact your local natural or propane/LP gas suppl[...]

www.desatech.com 113110-01A 34 ILLUSTRATED PARTS BREAKDOWN REMOTE-READY MODELS VMH26PRB, VMH26NRB (Shown), EFS26PRA, EFS26NRA 39 37 38 4 22 40 32 11 28 30 12 7 35 25 10 9 7 23 1 2 20 20 8 14 8 24 33 34 13 41 21 26 18 15 27 20 3 20 29 16 18 3 17 42 36 6 4 20 19 31 31 43 44 5[...]

www.desatech.com 113110-01A 35 PARTS LIST REMOTE-READY MODELS This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 33 of this manual. PART NUMBERS KEY VMH26PRB VMH26NRB NO. EFS26PRA EFS26NRA DESCRIPTION QTY. 1 102633-02 102633-02 Outer Casing Top 1 2 102624-[...]

www.desatech.com 113110-01A 36 ACCESSORIES NOTICE: All accessories may not be available for all fireplace models. Purchase these fireplace accessories from your lo- cal dealer . If they can not supply these accessories, call DESA Heating Products at 1-866-672-6040 for referral information. Y ou can also write to the ad- dress listed on the back pag[...]

www.desatech.com 113110-01A 37 ACCESSORIES Continued CABINET MANTEL AND FULL HEARTH BASE GMC80F Series - Oak Finished GMC81U Series - Unfinished Birch GMC82F Series - Cherry Finished Birch For all models. Mantel features columns, mold- ings, fluting and medallion. Three-sided perim- eter trim kit included. Dimensions (WxHxD): 56" x 50" x [...]

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2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 www.desatech.com 113110-01 Rev. A 03/04 NOT A UPC 113110 01 WARRANTY INFORMATION KEEP THIS WARRANTY Model ____________________________ Serial No. _________________________ Date Purchased ____________________ Always specify model and serial numbers when communicating with the factory [...]