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VENT-FREE NATURAL GAS
COMPACT CLASSIC HEARTH
OWNER'S OPERATION AND INSTALLATION MANUAL
VMH26NR
15,000 to 26,000 Btu/Hr
Remote Control Ready
WARNING: If the information in this manual
is not followed exactly, a fire or explosion
may result causing property damage, per-
sonal 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 per-
formed by a qualified installer, service
agency, or the gas supplier.
This appliance may be installed in an aftermarket*, permanently located, manufactured
(mobile) home, where not prohibited by local codes.
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.
*Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
Save this manual for future reference.
®
®
FIREPLACE
Shown with Optional
Cabinet Mantel/Hearth
Base Accessory
WARNING: Improper installa-
tion, adjustment, alteration, ser-
vice, or maintenance can cause
injury or property damage. Re-
fer to this manual for correct
installation and operational pro-
cedures. For assistance or ad-
ditional information consult a
qualified installer, 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 ad-
equate combustion and ventila-
tion air must be provided. Refer
to Air for Combustion and Ven-
tilation section on page 5 of this
manual.
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Table of Contents
Related Manuals for Vanguard VMH26NR
Summary of Contents for Vanguard VMH26NR
- Page 1 VENT-FREE NATURAL GAS COMPACT CLASSIC HEARTH OWNER’S OPERATION AND INSTALLATION MANUAL VMH26NR 15,000 to 26,000 Btu/Hr Remote Control Ready WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, per- sonal injury, or loss of life.
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Page 2: Safety Information
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. VMH26NR 2. If you smell gas • shut off gas supply • do not try to light any appliance •... -
Page 3: Product Identification
PRODUCT IDENTIFICATION Ignitor Button Selector Switch (Optional) Figure 1 - Vent-Free Natural Gas Compact Fireplace LOCAL CODES Install and use fireplace with care. Follow all local codes. In the absence of local codes, use the latest edition of The National Fuel Gas Code ANS Z223.1, also known as NFPA 54*. - Page 4 Slip top of hood between middle rail and top of firebox wrapper (see Figure 3). 3. Attach four #10-3/8" hood screws as shown in Figure 3. VMH26NR Back Log Screen Figure 2 - Assembling Fireplace Figure 3 - Assembling Hood...
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Page 5: Air For Combustion And Ventilation
AIR FOR COMBUSTION AND VENTILATION WARNING: This heater shall not be installed in a confined space or unusually tight construction unless provisions are provided for adequate combustion and ven- tilation air. Read the following in- structions to insure proper fresh air for this and other fuel-burning appliances in your home. - Page 6 National Fuel Gas Code, ANS Z223.1, 1992, Section 5.3 or applicable local codes. VMH26NR Example: Gas water heater...
- Page 7 AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space. When ventilating to an adjoining unconfined space, you must pro- vide two permanent openings: one within 12" of the ceiling and one within 12" of the floor on the wall connecting the two spaces (see options 1 and 2, Figure 4).
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Page 8: Check Gas Type
See Air for Combustion and Ventilation, pages 5 through 7. VMH26NR Note: Your Vanguard fireplace is designed to be used in zero clearance installations. Wall or framing material can be placed... -
Page 9: Built-In Fireplace Installation
INSTALLATION Continued BUILT-IN FIREPLACE INSTALLATION Built-in installation of this fireplace involves installing fireplace into a framed-in enclo- sure. This makes the front of fireplace flush with wall. An optional brass trim kit acces- sory is available (see Accessories, pages 26 and 27). -
Page 10: Optional Mantel Installation
11. Install gas line. See Connecting To Gas Supply, page 13. 12. Check for leaks. See Checking Gas Connections, page 15. VMH26NR 13. Place mantel around fireplace. Be care- ful not to damage wall or mantel. 14. Place brass trim kit on the shoulder screws located on the side and top of the fireplace. - Page 11 INSTALLATION Continued INSTALLING BLOWER ACCESSORY GA3400T Removing Upper Louver Assembly To install the blower accessory, you must first remove the upper louver assembly. Lift screen off heater and remove log set. 2. Remove 2 screws from each side of branch support and pull branch support out (see Figure 15).
- Page 12 White White Green Green Figure 18 - Wiring Diagram For Blower Accessory Standard Installation VMH26NR For Built-In Installation WARNING: A licensed electri- cian must connect the wiring har- ness to electrical supply follow- ing all local codes. Electrician must provide a clamp on the box cover to secure the wiring.
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Page 13: Connecting To Gas Supply
INSTALLATION Continued Extension Cord Use extension cord if needed. The cord must have a three-prong, grounding plug and a three-hole receptacle. Make sure cord is in good shape. It must be heavy enough to carry the current needed. An undersized cord will cause a drop in line voltage. -
Page 14: Connecting Fireplace To Gas Supply
Make sure the entire flexible gas line is in fireplace base area. Reat- tach branch support to fireplace with screws removed in step 2. VMH26NR Shoulder Screw Figure 23 - Removing Branch Support From Fireplace Manual Shutoff Valve... -
Page 15: Checking Gas Connections
INSTALLATION Continued CHECKING GAS CONNECTIONS WARNING: Test all gas pip- ing and connections for leaks after installing or servicing. Cor- rect all leaks at once. WARNING: Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints. - Page 16 Figure 27 - Switch Plate and Wiring Harness Receiver Terminal Wires Battery Clip 9-Volt Battery Figure 28 - Attaching Battery to Receiver VMH26NR Black Wire Wire Harness* Wires from Valve Black Wire Figure 29 - Installing Remote Receiver * Wire harness provided in the fireplace hardware pack.
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Page 17: Optional Wall Switch
INSTALLATION Continued 6. Connect one bare wire end to each ter- minal (“W” and “R”) of the thermostat base (see Figure 33). 7. Install the base onto the wall with the provided screws. 8. Move the temperature adjustment back and forth to insure the bimetal is free from restrictions. -
Page 18: Operating Fireplace
Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas con- trol which has been under water. VMH26NR LIGHTING INSTRUCTIONS WARNING: You must operate this fireplace with the fireplace screen in place. -
Page 19: To Turn Off Gas To Appliance
OPERATING FIREPLACE Continued Pilot Burner Ignitor Electrode Figure 35 - Pilot TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. Turn control knob clockwise to the OFF position. 2a. Set selector switch in the OFF position. 2b. If Using Optional Hand-Held Re- mote: Set selector switch in the OFF position to keep from draining battery. -
Page 20: Operating Blower
AUTO Automatically Cycle between Pilot and the Heat Setting that has been Selected. Figure 37 - Thermostat Hand-Held Remote Control Unit Selections (GHRCT only) VMH26NR GWMT1 WALL MOUNTED THERMOSTAT (OPTIONAL) Make sure the heater switch is on AUTO and set the temperature adjustment on wall thermostat to the desired setting. -
Page 21: Inspecting Burner
INSPECTING BURNER Check pilot flame pattern and burner flame pattern often. PILOT FLAME PATTERN Figure 39 shows a correct pilot flame pat- tern. Figure 40 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touch- ing the thermocouple. This will cause the thermocouple to cool. -
Page 22: Troubleshooting
When ignitor button is pressed, there is spark at ODS/pilot but no ignition ODS/pilot lights but flame goes out when control knob is released VMH26NR WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater. - Page 23 TROUBLESHOOTING Continued OBSERVED PROBLEM Burner does not light after ODS/pilot is lit Delayed ignition burner Burner backfiring during combustion Slight smoke or odor during initial operation Moisture/condensation noticed on windows Heater produces a whistling noise when burner is lit White powder residue forming within burner box or on adjacent walls or furniture Remote does not function 104325...
- Page 24 Heater shuts off in use (ODS operates) Gas odor even when control knob is in OFF position Gas odor during combustion VMH26NR POSSIBLE CAUSE 1. Metal expanding while heating or con- tracting while cooling 1. Heater burning vapors from paint, hair spray, glues, cleaners, chemicals, new carpet, etc.
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Page 25: Cleaning And Maintenance
CLEANING AND MAINTENANCE WARNING: Turn off fireplace and let cool before cleaning. CAUTION: You must keep con- trol areas, burner, and circulating air passageways of fireplace clean. Inspect these areas of fire- place before each use. Have fire- place inspected yearly by a quali- fied service person. - Page 26 Included with all mantels. THERMOSTATICALLY - CONTROLLED BLOWER KIT GA3400T Provides better heat distribution. Makes fire- place more efficient. Automatically turns off and on as needed. VMH26NR CABINET MANTEL WITH BUILT-IN HEARTH BASE AND ROUNDED LEG STYLING Unfinished - GM921U Finished - GM920F For use with fireplace.
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Page 27: Specifications
ACCESSORIES Continued RECEIVER AND HAND-HELD THERMOSTAT REMOTE CONTROL KIT - GHRCT SERIES For all models. Allows the gas log heater to be operated in a manually or thermostati- cally controlled mode. You can turn the gas log heater on and off without ever leaving the comfort of your easy chair. -
Page 28: Illustrated Parts Breakdown
VMH26NR ® COMPACT CLASSIC HEARTH FIREPLACE ILLUSTRATED PARTS BREAKDOWN VMH26NR 27-1 27-2 104325... -
Page 29: Parts List
PARTS LIST VMH26NR This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 27 of this manual. 104325 OWNER’S MANUAL KEY NO. PART NO. DESCRIPTION 102633-02CK Outer Casing Top... -
Page 30: Warranty Information
WARRANTY INFORMATION 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. We make no other warranty, expressed or implied. VENT-FREE NATURAL GAS COMPACT CLASSIC HEARTH DESA International warrants this product to be free from defects in materials and components for four (4) years and five (5) years on stainless steel burners from the date of first purchase, provided that the product has been properly installed, operated and maintained in...