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oWneR's oPeRaTIon and InsTallaTIon ManUal
Shown with Optional Cabinet Mantel/Hearth Base Accessory
Models VMH26TPC and VMH26TnC
14,000 to 26,000 Btu/Hr with Thermostat
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
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 supplier, call the fire
department.
— Installation and service must be performed by a quali-
fied installer, service agency, or the gas supplier.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
For more information, visit www.desatech.com
VenT-FRee CoMPaCT FIRePlaCe
®
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Related Manuals for Vanguard VMH26TNC
Summary of Contents for Vanguard VMH26TNC
- Page 1 ® VenT-FRee CoMPaCT FIRePlaCe oWneR’s oPeRaTIon and InsTallaTIon ManUal Shown with Optional Cabinet Mantel/Hearth Base Accessory Models VMH26TPC and VMH26TnC 14,000 to 26,000 Btu/Hr with Thermostat 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.
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Page 2: Table Of Contents
TaBle oF ConTenTs Safety ..............2 Cleaning and Maintenance ........ 23 Local Codes............4 Troubleshooting ..........24 Product Identification ........... 4 Specifications ............ 28 Product Features ..........5 Service Hints ............. 28 Unpacking............5 Technical Service..........28 Assembly ............. 5 Replacement Parts .......... -
Page 3: With Fireplace
saFeTy Continued Keep the appliance area clear WARNING: Any change to and free from combustible ma- this heater or its controls can terials, gasoline, and other flam- be dangerous. mable vapors and liquids. 1. This appliance is only for use with type of WARNING: Do not allow fans gas indicated on rating plate. -
Page 4: Local Codes
saFeTy Continued 10. This fireplace needs fresh air ventilation to 14. Turn off and unplug fireplace and let run properly. This fireplace has an Oxygen cool before servicing. Only a qualified Depletion Sensing (ODS) safety shutoff service person should service and repair system. -
Page 5: Product Features
PRodUCT FeaTURes SAFETY PILOT THERMOSTATIC HEAT CONTROL This fireplace has a pilot with an Oxygen This fireplace has a thermostat sensing bulb Depletion Sensing (ODS) safety shutoff and a control valve. The thermostat will auto- system. The ODS/pilot is a required feature matically modulate the heat output to maintain for vent-free room fireplaces. -
Page 6: Air For Combustion And Ventilation
asseMBly Continued Assembling Hood Louver 1. Locate four black phillips sheet metal screws from the hardware packet. Hood Tabs 2. Rotate hood as shown in Figure 3. Make sure hood tabs point toward fireplace. 3. Insert hood tabs between baffle and lou- vers (see Figure 3). - Page 7 aIR FoR CoMBUsTIon and VenTIlaTIon Continued c. caulking or sealants are applied to 2. Multiply the space volume by 20 to determine the maximum Btu/Hr the space can support. areas such as joints around window and door frames, between sole plates ________ (volume of space) x 20 = (Maxi- and floors, between wall-ceiling joints, mum Btu/Hr the space can support)
- Page 8 aIR FoR CoMBUsTIon and VenTIlaTIon Continued Ventilation Air From Outdoors WARNING: If the area in which Provide extra fresh air by using ventilation the heater may be operated does grills or ducts. You must provide two perma- nent openings: one within 12" of the ceiling not meet the required volume for and one within 12"...
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Page 9: Installation
Ventilation, page 6. mary heat source. If you have a Note: Your Vanguard fireplace is designed to central heating system, you may be used in zero clearance installations. Wall or framing material can be placed directly run system’s circulating blower... - Page 10 InsTallaTIon Continued LOCATING FIREPLACE Note: When installing fireplace directly on carpeting, tile or other combustible material, WARNING: Maintain the other than wood flooring, the fireplace shall be installed on a metal or wood panel extending minimum clearances shown the full width and depth of the fireplace. in Figures 6 and 7.
- Page 11 InsTallaTIon Continued IMPORTANT: When finishing your firebox, WARNING: If pre-wiring, do combustible materials not connect wiring to any electri- WARNING: Do not allow any cal source at this time. combustible/noncombustible Install fireplace electrical outlet materials to overlap the firebox and connect wiring to outlet front facing.
- Page 12 InsTallaTIon Continued OPTIONAL MANTEL INSTALLATION WARNING: Never modify or Refer to instructions provided with the mantel cover the louvered slots on the for assembly instructions. Refer to the follow- front of the firebox. ing instructions for system installation. Refer to instructions on page 6 for hood assembly. Mantel Clearances for Built-In Blower accessory should be installed prior Installation...
- Page 13 InsTallaTIon Continued 9. Check all gas connections for leaks. See 4. Slide one end of adjusting plate/shim Checking Gas Connections, page 18. in slot on mitered edge of top trim (see Figure 14). 10. Carefully insert fireplace into cabinet mantel (see Figure 13). Be careful not to 5.
- Page 14 InsTallaTIon Continued Note: If you do not have a short Phillips 4. Carefully disconnect green and white screwdriver, the screen, log set, and wires at their insulated connectors. branch support must be removed so a 5. In top of heater cabinet, locate 4 mounting longer screwdriver may be used.
- Page 15 InsTallaTIon Continued Note: When switch is in AUTO position, 4. A licensed electrician must follow the wir- fan will start after heater has run for a ing diagram to connect incoming electri- few moments. Fan will continue to run cal supply to fan kit wiring harness (see for several moments after heater has Figure 19).
- Page 16 InsTallaTIon Continued Blower Bracket Wire Harness Assembly CAUTION: Never connect pro- pane/LP fireplace directly to the propane/LP supply. This fireplace Screw requires an external regulator (not supplied). Install the external regulator between the fireplace Switch Plate and propane/LP supply. Power Switch Cord Outlet...
- Page 17 InsTallaTIon Continued Installation must include an equipment shutoff 2. Remove screws that attach branch sup- valve, union, and plugged 1/8" NPT tap. Lo- port to fireplace (see Figure 23). Carefully cate NPT tap within reach for test gauge hook lift up branch support and remove from up.
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Page 18: Connecting To Gas Supply
InsTallaTIon Continued 6. Replace branch support back into fire- PRESSURE TESTING GAS SUPPLY place. Feed flexible gas line into fireplace PIPING SYSTEM base area while replacing branch support. Test Pressures In Excess Of 1/2 PSIG Make sure the entire flexible gas line is (3.5 kPa) in fireplace base area. -
Page 19: Operation
InsTallaTIon Continued Equipment PRESSURE TESTING FIREPLACE GAS Shutoff Valve CONNECTIONS 1. Open equipment shutoff valve (see Figure Propane/LP 25, page 18). Supply Tank 2. Open main gas valve located on or near gas meter for natural gas or open pro- pane/LP supply tank valve. - Page 20 oPeRaTIon Continued LIGHTING Note: If pilot does not stay lit, refer to Troubleshooting, page 24. Also contact a INSTRUCTIONS qualified service person or gas supplier for repairs. Until repairs are made, light pilot WARNING: You must operate with match. To light pilot with match, see this fireplace with the fireplace Manual Lighting Procedure, page 21.
- Page 21 oPeRaTIon Continued TO TURN OFF GAS MANUAL LIGHTING TO APPLIANCE PROCEDURE 1. Follow steps 1 through 5 under Lighting Shutting Off Fireplace Instructions, page 20. 1. Turn control knob clockwise to the 2. With control knob pressed in, strike match. OFF position.
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Page 22: Inspecting Burner
InsPeCTIng BURneR BURNER FLAME PATTERN Check pilot flame pattern and burner flame pattern often. Figure 33 shows a correct burner flame pat- tern. Figure 34 shows an incorrect burner PILOT FLAME PATTERN flame pattern. The incorrect burner flame Figure 31 shows a correct pilot flame pattern. pattern shows sporadic, irregular flame tip- Figure 32 shows an incorrect pilot flame pat- ping. -
Page 23: Cleaning And Maintenance
CleanIng and MaInTenanCe 4. Check injector holder located at end of WARNING: Turn off fireplace burner tube again. Remove any large and let cool before cleaning. particles of dust, dirt, lint, or pet hair with a soft cloth or vacuum cleaner nozzle. 5. -
Page 24: Troubleshooting
TRoUBlesHooTIng WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater. 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 operation. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY... - Page 25 TRoUBlesHooTIng Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY ODS/pilot lights but flame 1. Control knob not fully 1. Press in control knob fully goes out when control knob pressed in is released 2. Control knob not pressed in 2. After ODS/pilot lights, keep long enough control knob pressed in 30 seconds...
- Page 26 TRoUBlesHooTIng Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Slight smoke or odor during 1. Residues from manufactur- 1. Problem will stop after a few initial operation ing processes hours of operation Fireplace produces a whis- 1. Turning control knob to HI 1.
- Page 27 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. Fol- low the gas supplier’s instructions.
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Page 28: Specifications
sPeCIFICaTIons VMH26TPC VMH26TNC • Rating (Variable): 14,000/26,000 Btu/Hr • Rating (Variable): 14,000/26,000 Btu/Hr • Gas Type: Propane/LP Gas Only • Gas Type: Natural Gas Only • Ignition: Piezo • Ignition: Piezo • Pressure Regulator Setting: 8" W.C. • Pressure Regulator Setting: 3" W.C. •... -
Page 29: Accessories
aCCessoRIes CORNER MANTEL WITH FULL NOTICE: All accessories may HEARTH BASE not be available for all fireplace C26TU - Unfinished, Traditional Design models. C26TO - Oak Finished, Traditional Design Purchase these accessories from your local C26GO - Oak Finished, Georgian Design dealer. -
Page 30: Parts
PaRTs MODELS VMH26TPC (SHOWN) AND VMH26TNC 12-1 www.desatech.com 113111-01H... - Page 31 PaRTs This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 28 of this manual. NO. PART NO. DESCRIPTION 102633-02 Outer Casing Top • • 102624-02 Outer Casing • •...
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Page 32: Warranty
WaRRanTy keeP THIs WaRRanTy Model (located on product or identification tag) _____________________________ Serial No. (located on product or identification tag) __________________________ Date Purchased __________________________ Keep receipt for warranty verification. desa HeaTIng, llC lIMITed WaRRanTIes New Products Standard Warranty: DESA Heating, LLC warrants this new product and any parts thereof to be free from defects in material and workmanship for a period of four (4) years from the date of first purchase from an authorized dealer provided the product has been installed, maintained and operated in accordance with DESA Heating, LLC’s warnings and instructions.
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