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VENT-FREE NATURAL GAS
OWNER'S OPERATION AND INSTALLATION MANUAL
®
14,000 to 28,000 Btu/Hr with Thermostat "C" Models
WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result caus-
ing 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 in-
structions.
• If you cannot reach your gas supplier, call the
fire department.
— Installation and service must be performed by a
qualified installer, service agency, or the gas supplier.
This appliance may be installed in an aftermarket* manufactured (mobile) home, where not
prohibited by state or local codes.
*Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer. (i.e. Installation of this
product is permitted after the manufactured (mobile) home is sited)
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.
MINI HEARTH
VMH2800TNC
Save this manual for future reference.
®
®
HEATER
Shown With Optional Mantel
Which Features a Built In Base
WARNING: Improper installation,
adjustment, alteration, service,
or maintenance can cause injury
or property damage. Refer to this
manual for correct installation
and operational procedures. For
assistance or additional infor-
mation consult a qualified in-
staller, service agency, or the
gas supplier.
WARNING: This is an unvented
gas-fired heater. It uses air (oxy-
gen) from the room in which it is
installed. Provisions for adequate
combustion and ventilation air
must be provided. Refer to Air for
Combustion and Ventilation sec-
tion in this manual.
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Table of Contents
Related Manuals for Vanguard VMH2800TNC
Summary of Contents for Vanguard VMH2800TNC
- Page 1 ® Shown With Optional Mantel Which Features a Built In Base 14,000 to 28,000 Btu/Hr with Thermostat “C” Models VMH2800TNC WARNING: Improper installation, WARNING: If the information in this manual is not adjustment, alteration, service, followed exactly, a fire or explosion may result caus- or maintenance can cause injury ing property damage, personal injury, or loss of life.
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Page 2: Safety Information
® GAS RESIDENTIAL HEATERS SAFETY • if you cannot reach your gas supplier, LOCAL CODES call the fire department INFORMATION Install and use heater with care. Follow all This heater shall not be installed in a local codes. In the absence of local codes, bedroom or bathroom. -
Page 3: Product Identification
OWNER’S MANUAL PRODUCT IDENTIFICATION Control Knob Ignitor Button Lighting and Warning Plates Heater Screen Cabinet Front Panel Figure 1 - Vent-Free Gas Log Natural Gas Space Heater ASSEMBLY Installing Log ASSEMBLING HEATER For easier installation, lay heater on Note: 3. With Phillips screwdriver, remove four Tools Required: Phillips screwdriver, 5/16"... - Page 4 ® GAS RESIDENTIAL HEATERS ASSEMBLY Heater Cabinet Slide other end of adjusting plate/shim in slot on mitered edge of side brass Continued Deflector trim (see Figure 6). Top Brass Adjusting Trim Plate Side Brass Trim Front Panel Screws Retaining Screen Brackets Shim Slot...
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Page 5: Air For Combustion And Ventilation
OWNER’S MANUAL AIR FOR PROVIDING ADEQUATE Confined and Unconfined Space VENTILATION COMBUSTION AND The National Fuel Gas Code (ANSIZ223.1, 1992 Section 5.3) defines a confined space The following is exerpts from National Fuel VENTILATION as a space whose volume is less than 50 Gas Code. - Page 6 ® GAS RESIDENTIAL HEATERS AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms.
- Page 7 OWNER’S MANUAL AIR FOR COMBUSTION AND VENTILATION Continued 12" WARNING: If the area in which the heater may be operated is smaller than that defined as an Ventilation Grills unconfined space, provide ad- Into Adjoining Room, Ventilation Option 2 equate combustion and ventila- Grills tion air by one of the methods into Adjoining...
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Page 8: Check Gas Type
® GAS RESIDENTIAL HEATERS INSTALLATION IMPORTANT: Vent-free heaters add mois- WARNING: Never install the ture to the air. Although this is beneficial, heater installing heater in rooms without enough NOTICE: A qualified service per- • in a bedroom or bathroom ventilation air may cause mildew to form from son must install heater. - Page 9 OWNER’S MANUAL THERMOSTAT SENSING INSTALLATION OPTIONS Marking Screw Locations BULB Tape mounting bracket to wall where There are three options for mounting this heater will be located. Make sure heater. The thermostat sensing bulb has been placed mounting bracket is level. inside the heater for protection during shipping.
- Page 10 ® GAS RESIDENTIAL HEATERS INSTALLATION Placing Heater On Mounting Tighten both screws until heater is firmly secured to wall. Do not over Bracket Continued tighten. 1. Locate two horizontal slots on back Do not replace front panel at this Note: Attaching to wall anchor method panel of heater.
- Page 11 OWNER’S MANUAL INSTALLATION Securing Hearth Base to Floor Mount heater to hearth base following steps under Mounting Heater to Op- Position hearth base in desired location. Continued tional Hearth Base. After mounting Mark holes for drilling (See Figure 18). heater, position heater and hearth base Remove hearth base.
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Page 12: Connecting To Gas Supply
® GAS RESIDENTIAL HEATERS INSTALLATION Apply pipe joint sealant lightly to male WARNING: Never connect threads. This will prevent excess sealant Continued heater to private (non-utility) gas from going into pipe. Excess sealant in pipe wells. This gas is commonly could result in clogged heater valves. -
Page 13: Checking Gas Connections
OWNER’S MANUAL CHECKING GAS PRESSURE TESTING Correct all leaks at once. HEATER GAS Light heater (see Operating Heater, CONNECTIONS pages 14 through 15). Check all other CONNECTIONS internal joints for leaks. 1. Open manual shutoff valve (see Fig- WARNING: Test all gas pip- Turn off heater (see To Turn Off Gas to ure 21). -
Page 14: Operating Heater
® GAS RESIDENTIAL HEATERS OPERATING Keep control knob pressed in for 30 LIGHTING seconds after lighting pilot. After 30 HEATER INSTRUCTIONS seconds, release control knob. • If control knob does not pop up when FOR YOUR SAFETY STOP! Read the safety information released, contact a qualified service above. -
Page 15: Inspecting Burner
OWNER’S MANUAL OPERATING If pilot flame pattern is incorrect, as MANUAL shown in Figure 26 HEATER LIGHTING • turn heater off (see To Turn Off Gas Continued PROCEDURE to Appliance). • see Troubleshooting, pages 17 TO TURN OFF through 19. 1. -
Page 16: Cleaning And Maintenance
® GAS RESIDENTIAL HEATERS INSPECTING CLEANING AND BURNER MAINTENANCE Continued WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep Top of control areas, burner, and circu- Flame lating air passageways of heater About One clean. Inspect these areas of Inch Above heater before each use. -
Page 17: Trouble Shooting
OWNER’S MANUAL TROUBLE WARNING: Turn off and unplug heater and let cool before servicing. SHOOTING Only a qualified service person should service and repair heater. Note: All Trouble Shooting items are listed in order of operation. CAUTION: Never use a wire, needle, or similar object to clean ODS/ pilot. - Page 18 ® GAS RESIDENTIAL HEATERS TROUBLE SHOOTING Continued POSSIBLE CAUSE OBSERVED PROBLEM REMEDY 1. Burner orifice is clogged Burner does not light after ODS/pilot is lit 1. Clean burner (see Cleaning and Maintenance, page 16) or replace burner orifice 2. Burner orifice diameter is too small 2.
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Page 19: Technical Service
OWNER’S MANUAL TROUBLE SHOOTING Continued Operating heater where im- IMPORTANT: WARNING: If you smell gas purities in air exist may create odors. Clean- • Shut off gas supply. ing supplies, paint, paint remover, cigarette • Do not try to light any appliance. smoke, cements and glues, new carpet or •... -
Page 20: Replacement Parts
® GAS RESIDENTIAL HEATERS REPLACEMENT ACCESSORIES PARTS Purchase these heater accessories from your local dealer. If they can not supply these Note: Use only original replacement parts. accessories call DESA International’s Sales This will protect your warranty coverage for Department at 1-800-458-2472 for infor- parts replaced under warranty. - Page 21 OWNER’S MANUAL ACCESSORIES Continued GS601 - Black Surround For locating heater in front of an existing fireplace. The sturdy steel construction is accented with decorative brass trim. Com- plete installation instructions included. PREMIER MANTEL Unfinished - GM903U Series Finished - GM902F Series For use with heater.
- Page 22 ® GAS RESIDENTIAL HEATERS 12-1 12-2 103506...
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Page 23: Parts List
OWNER’S MANUAL PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 20 of this manual. VMH2800TNC PART NO. DESCRIPTION QTY. 098304-01 Screw, #10 x 3/8" 100566-01CK... -
Page 24: Warranty Information
WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No. Date Purchased 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.