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®
VENT-FREE NATURAL GAS
®
COMPACT CLASSIC HEARTH FIREPLACE
OWNER’S OPERATION AND INSTALLATION MANUAL
VMH26TNA
14,000 to 26,000 Btu/Hr
with Thermostat
Shown with Optional
Cabinet Mantel/Hearth
Base Accessory
WARNING: Improper installa-
WARNING: If the information in this manual
tion, adjustment, alteration, ser-
is not followed exactly, a fire or explosion
vice, or maintenance can cause
may result causing property damage, per-
injury or property damage. Re-
sonal injury, or loss of life.
fer to t
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® VMH26TNA COMPACT CLASSIC HEARTH FIREPLACE 2. If you smell gas 11. Before using furniture polish, wax, car- SAFETY • shut off gas supply pet cleaner, or similar products, turn INFORMATION • do not try to light any appliance heater off. If heated, the vapors from • do not touch any electrical switch; do these products may create a white pow- not use any phone in your building. der residue within burner box or on WARNINGS WARNING ICON G 001 • immediately call your gas supplier adjacent walls or
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OWNER’S MANUAL PRODUCT PRODUCT IDENTIFICATION FEATURES Fireplace SAFETY PILOT Cabinet This fireplace has a pilot with an Oxygen Depletion Sensor Shutoff System (ODS). The ODS/pilot is a required feature for vent- free room fireplaces. The ODS/pilot shuts off the fireplace if there is not enough fresh air. PIEZO IGNITION SYSTEM Screen This fireplace has a piezo ignitor. This sys- tem requires no matches, batteries, or other sources to light fireplace. THERMOSTATIC HEAT CONTROL This fireplace has
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® VMH26TNA COMPACT CLASSIC HEARTH FIREPLACE Screen ASSEMBLY Shipping Back Log Screw Shoulder WARNING: Always have Screw branch support and screen in place before operating fireplace. This prevents excessive tempera- tures on fireplace surfaces. Burner WARNING: Failure to position Support the parts in accordance with these diagrams or failure to use only Screw parts specifically approved with this fireplace may result in prop- erty damage or personal injury ASSEMBLING FIREPLACE Tools Required:
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OWNER’S MANUAL Confined and Unconfined Space PROVIDING ADEQUATE AIR FOR VENTILATION The National Fuel Gas Code (ANS Z223.1, COMBUSTION AND 1992 Section 5.3) defines a confined space The following are excerpts from National VENTILATION as a space whose volume is less than 50 Fuel Gas Code. NFPA 54/ANS Z223.1, Sec- 3 cubic feet per 1,000 Btu per hour (4.8 m per tion 5.3, Air for Combustion and Ventilation. kw) of the aggregate input rating of all WARNING: This heater shall All spaces in homes fal
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® VMH26TNA COMPACT CLASSIC HEARTH FIREPLACE AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH-AIR FLOW FOR FIREPLACE 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 fireplace plus any adjoining rooms with doorless passageways or ventilation grills between the rooms. 1. Determine the volume of the space (length x width x height). Length x Widt
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OWNER’S MANUAL AIR FOR COMBUSTION AND VENTILATION 12" Continued VENTILATION AIR Ventilation Air From Inside Ventilation Grills Into Adjoining Room, Building Ventilation Option 2 Grills Or This fresh air would come from an adjoining into Adjoining Remove unconfined space. When ventilating to an Room, Door into Option 1 Adjoining adjoining unconfined space, you must pro- Room, vide two permanent openings: one within Option 3 12" of the ceiling and one within 12" of the floor on the wall con
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® VMH26TNA COMPACT CLASSIC HEARTH FIREPLACE Note: Your Vanguard fireplace is designed INSTALLATION CAUTION: If you install the to be used in zero clearance installations. fireplace in a home garage Wall or framing material can be placed NOTICE: This heater is intended • fireplace pilot and burner must directly against any exterior surface on the for use as supplemental heat. Use be at least 18 inches above floor. rear, sides, or top of your fireplace, except this heater along with your pri- • l
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OWNER’S MANUAL 2. If installing GA3400(T) blower acces- 5. Carefully set fireplace in front of rough INSTALLATION sory, do so at this time. Follow instruc- opening with back of fireplace inside Continued tions included with blower accessory. wall opening. BUILT-IN FIREPLACE Note: If not installing blower acces- 6. Attach flexible gas line to fireplace gas sory, you may wish to run electrical regulator. See Connecting Fireplace to INSTALLATION wiring to your fireplace for future Gas Supply, page
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® VMH26TNA COMPACT CLASSIC HEARTH FIREPLACE 5. Firmly snap brass trim kit on shoulder 11. Install gas line. See Connecting To Gas INSTALLATION screws. Shoulder screws are located on Supply, page 14. Continued fireplace cabinet (see Figure 12). 12. Check for leaks. See Checking Gas Mantel Clearances for Built-In 6. Align brass trim kit for flush fit around Connections, page 16. Installation opening. 13. Place mantel around fireplace. Be care- If placing mantel above built-in fireplace, 7. Use two
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OWNER’S MANUAL Branch INSTALLING BLOWER INSTALLATION Support Shoulder ACCESSORY GA3400T Continued Screw Removing Upper Louver Assembling Brass Trim (Brass Remove Assembly trim shipped with mantel) Screw 1. Remove packaging from three remain- To install the blower accessory, you must ing pieces of brass trim. first remove the upper louver assembly. Valve 2. Locate two adjusting plates with set 1. Lift screen off heater. Cover screws, and two shims in the hardware Shield 2. Remove 4 screws from lo
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3 2 1 ® VMH26TNA COMPACT CLASSIC HEARTH FIREPLACE 6. Route the wire harness through the 9. Install the switch plate on the valve INSTALLATION hole in left side of baffle. Pull wire cover shield with 2 #10 screws provided Continued harness through lower opening above (see Figure 18). Reinstall the valve where the valve shield was removed. cover shield. Route power cord out of 4. Carefully disconnect green and white (see Figure 17). the cabinet by inserting it through the wires at their insulated
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3 2 1 OWNER’S MANUAL Follow instructions Removing Valve Cover 3. Remove black plastic strain relief and INSTALLATION Shield (page 11), then power cord from switch plate. The Continued power cord supplied will not be used in 1. Install a snap bushing found in hard- built-in installations. Pop in the plastic For Built-In Installation ware kit into one of the holes found on snap bushing found in hardware kit into rear of valve cover shield. The other the hole left by supply cord/strain relief. hole
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® VMH26TNA COMPACT CLASSIC HEARTH FIREPLACE Apply pipe joint sealant lightly to male INSTALLATION CAUTION:Use only new, threads. This will prevent excess sealant Continued black iron or steel pipe. Inter- from going into pipe. Excess sealant in pipe nally-tinned copper tubing may could result in clogged fireplace valves. Attaching Wood Base to Solid be used in certain areas. Check Floor your local codes. Use pipe of CAUTION: Use pipe joint seal- 1/2" or greater diameter to al- For attaching b
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OWNER’S MANUAL Branch INSTALLATION Support Continued Screen Shipping Screw CONNECTING FIREPLACE TO GAS SUPPLY Installation Items Needed • Phillips screwdriver Shoulder • sealant (resistant to propane/LP gas, not Screw provided) 1. Remove fireplace screen. Remove two screws that hold fireplace screen in Flexible place for shipping. These screws are Gas Line located near top of screen. Discard screws. Lift fireplace screen up and pull out to remove. 2. Remove screws that attach branch sup- port to
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® VMH26TNA COMPACT CLASSIC HEARTH FIREPLACE Test Pressures Equal To or Less Than Pressure Testing Fireplace Gas INSTALLATION 1/2 PSIG Connections Continued 1. Close manual shutoff valve (see Fig- 1. Open manual shutoff valve (see Figure ure 25). 25). CHECKING GAS 2. Pressurize supply piping system by either 2. Open main gas valve located on or near CONNECTIONS using compressed air or opening main gas gas meter. valve located on or near gas meter. 3. Make sure control knob of fireplace is WARNIN
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OWNER’S MANUAL Note: You may be running this fire- LIGHTING OPERATING place for the first time after hooking INSTRUCTIONS FIREPLACE up to gas supply. If so, the control knob may need to be pressed in for WARNING: You must operate FOR YOUR SAFETY 30 seconds. This will allow air to this fireplace with the fireplace bleed from the gas system. READ BEFORE screen in place. Make sure fire- • If control knob does not pop up LIGHTING place screen is installed before when released, contact a qualified r
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® VMH26TNA COMPACT CLASSIC HEARTH FIREPLACE MANUAL LIGHTING OPERATING PROCEDURE FIREPLACE 1. Follow steps 1 through 5 under Light- Continued ing Instructions, page 17. 2. With control knob pressed in, strike TO TURN OFF GAS match. Hold match to pilot until pi- TO APPLIANCE lot lights. Shutting Off Fireplace 3. Keep control knob pressed in for 30 1. Turn control knob clockwise seconds after lighting pilot. After 30 to the OFF position. seconds, release control knob. Now 2. Turn off all electric
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OWNER’S MANUAL BURNER FLAME PATTERN INSPECTING Figure 32 shows a correct burner flame BURNER pattern. Figure 33 shows an incorrect burner Check pilot flame pattern and burner flame flame pattern. The incorrect burner flame pattern often. pattern shows yellow tipping of the flame. It also shows the flame higher than one inch PILOT FLAME PATTERN above the log. Figure 30 shows a correct pilot flame pattern. Note: When using the fireplace the first Figure 31 shows an incorrect pilot flame time, the
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® VMH26TNA COMPACT CLASSIC HEARTH FIREPLACE TROUBLESHOOTING WARNING: Turn off and un- CAUTION: Never use a wire, plug fireplace and let cool before needle, or similar object to clean Note: For additional help, visit DESA servicing. Only a qualified ser- ODS/pilot. This can damage ODS/ International’s technical service web site vice person should service and pilot unit. at www.desatech.com. repair fireplace. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM POSS
