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®
VenT-FRee CoMP aCT FIRePla Ce
oWneR’s oPeRa TIon and InsT alla TIon ManU al
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 I
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TaBle oF ConTenTs Safety .................................................................. 2 Cleaning and Maintenance ................................ 23 Local Codes......................................................... 4 Troubleshooting ................................................. 24 Product Identification ........................................... 4 Specifications .................................................... 28 Product Features ................................................
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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. This appli- to blow directly into the fireplace. ance is not convertible for use with other Avoid any drafts that alter burner gases. flame patterns. Ceiling fans can 2. Do not
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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. The ODS shuts down the fire- fireplace. place if not enough fresh air is available. 15. Operating fireplace above elevations of See Air for Combustion and Ventilation, 4,500 feet could cause pilot outage. page 6. I
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PRodUCT Fea TURes 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. The ODS/pilot a consistent room temperature. This results in shuts off the fireplace if there is not enough greater fireplace comfort. This can a
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asseMByl 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). 4. Gently rotate hood to upright position. Make sure hood tabs are behind louvers Hood Tab Hood and hood is resting on firebox top (see Figure 3). Baffle 5. Align screw holes on hood with screw holes on firebox top. Sheet
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aIR FoR CoMBUsTIon and VenTIla TIon 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 ________ (volume of space) x 20 = (Maxi- and door frames, between sole plates mum Btu/Hr the space can support) and floors, between wall-ceiling joints, between wall panels, at penetrations Example: 2560 cu. ft. (volume of space) x 20 for plumbing, electrical, and gas lines, = 51,2
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aIR FoR CoMBUsTIon and VenTIla TIon 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" of the floor. Connect these indoor combustion air, combus- items directly to the outdoors or spaces open tion and ventilation air shall be to the outdoors. These space
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InsT alla TIon IMPORTANT: Vent-free fireplaces add mois- NOTICE: This heater is intended ture to the air. Although this is beneficial, for use as supplemental heat. installing fireplace in rooms without enough Use this heater along with your ventilation air may cause mildew to form from primary heating system. Do not too much moisture. See Air for Combustion install this heater as your pri- and Ventilation, page 6. mary heat source. If you have a Note: Your Vanguard fireplace is designed
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InsT alla TIon Continued Note: When installing fireplace directly on LOCATING FIREPLACE carpeting, tile or other combustible material, other than wood flooring, the fireplace shall be WARNING: Maintain the installed on a metal or wood panel extending minimum clearances shown the full width and depth of the fireplace. in Figures 6 and 7. If you can, provide greater clearances from CAUTION: If you install the floor, ceiling, and joining wall. fireplace in a home garage • fireplace pilot
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InsT alla TIon 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. before connecting to electrical source. The fireplace electri- WARNING: Do not allow cal outlet is included with the noncombustible materials to GA
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InsT alla TIon 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 to mantel if it is being used (see Installing If placing mantel above built-in fire
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InsT alla TIon 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. Slide other end of adjusting plate/shim scratch or damage hearth base or cabinet in slot on mitered edge of side trim (see mantel. Figure 14). 11. Place metal trim on shoulder screws locat- 6. While firmly ho
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3 2 1 InsT alla TIon 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. See holes on outer casing. Align these 4 holes Connecting Equipment Shutoff Valve to with those on blower bracket assembly. Heater Control, page 17, steps 1 and 2. Attach blower bracket ass
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InsT alla TIon 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). been turned off. When switch is in the 5. Plug power cord to the outlet receptacle ON position, fan will run until turned to (not provided) as shown in Figure 18. OFF. Rei
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3 2 1 InsT alla TIon Continued Blower Bracket Wire Harness Assembly CAUTION: Never connect pro- pane/LP fireplace directly to the Screw propane/LP supply. This fireplace requires an external regulator (not supplied). Install the external regulator between the fireplace Switch Plate and propane/LP supply. Power Switch Cord Outlet WARNING: Never connect Receptacle natural gas fireplace to private (non-utility) gas wells. This Red gas is commonly known as Blue wellhead gas. Plast
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InsT alla TIon 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. NPT tap must be upstream from fireplace fireplace (see Figure 23). (see Figure 22). 3. Route flexible gas line included from fire- IMPORTANT: Install equipment shutoff valve place control to equipment shutof
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InsT alla TIon 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. Reattach branch 1. Disconnect appliance with its appliance support to fireplace with screws removed main gas valve (control valve) and equip- in step 2, page 17. ment shutoff valve fro
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InsT alla TIon 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. 3. Make sure control knob of fireplace is in the OFF position. 4. Check all joints from equipment shutoff valve to thermostat gas valve (see Fig- ures 26 and 27). Apply a noncorrosive Figure 26 - Checking Gas Joi
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oPeRa TIon Continued Note: If pilot does not stay lit, refer to LIGHTING 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. screen in place. Make sure fire- 7. Keep control knob pressed in for 30 sec- place screen is installed before onds after lighting pil
