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DIRECT-VENT GAS FIREPLACE HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
VDVF36PN/PP (PENINSULA) AND VDVF36STN/STP (SEE THRU)
WARNING: If the information in these instruc-
tions 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
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 state or 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, unless a certified kit is used.
*Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer.
(Peninsula
Shown)
CHECK LOCAL CODES PRIOR TO INSTALLATION
Save this manual for future reference.
®
SAVE THIS BOOK
This book is valuable. In addition to instructing
you on how to install and maintain your appli-
ance, it also contains information that will
enable you to obtain replacement parts or
optional accessory items when needed. Keep
it with your other important papers.
WARNING: Improper installation,
adjustment, alteration, service, or
maintenance to this appliance can
cause injury or property damage.
Refer to this manual. For assistance
or additional information consult a
qualified installer, service agency,
or the gas supplier.
WARNING: This Direct-Vent Gas
Fireplace Heater series is intended
for use with Natural or Propane/LP
gas only. Do not attempt to burn any
solid fuels in these appliances.
®
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Table of Contents
Related Manuals for Vanguard VDVF36PN
Summary of Contents for Vanguard VDVF36PN
- Page 1 DIRECT-VENT GAS FIREPLACE HEATER OWNER’S OPERATION AND INSTALLATION MANUAL VDVF36PN/PP (PENINSULA) AND VDVF36STN/STP (SEE THRU) WARNING: If the information in these instruc- tions 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: Glossary Of Terms
(4cm) (Back) (30cm) (Right Side) Right Side Surround (27cm) RIGHT SIDE (3cm) (57cm) 32 (81cm) (Opening) (104cm) Figure 1 - VDVF36PN/PP (Peninsula) Dimensions TOP VIEW Left Side Surround (Left Side) Back of Surround (60cm) ø1.5 (Back) (4cm) (30cm) (Right Side) -
Page 3: Selecting Location
INTRODUCTION Models VDVF36PN/PP series are three- sided direct-vent gas fireplace heaters with a sealed combustion chamber. Models VDVF36STN/STP series are two-sided di- rect-vent gas fireplace heaters with a sealed combustion chamber. All models use a mil- livolt gas control and a millivolt ignition system. -
Page 4: Pre-Installation Preparation
VDVF36P and VDVF36ST Series ® DIRECT-VENT GAS FIREPLACE HEATER PRE-INSTALLATION PREPARATION CLEARANCES Minimum clearances to combustibles are: • Back and Sides of Surround: ... 0" min. • Vent Surfaces: ... 1" (2.5cm) min. • Ceiling to Opening: ... 36" (91cm) min. •... -
Page 5: General Venting
PRE-INSTALLATION PREPARATION Continued " (1010mm) Min. Figure 7 - Rough Opening for Installing Peninsula Fireplace Platform Must Be Solid, Flat, and Fully Supported " (1010mm) Min. Figure 8 - Rough Opening for Installing Peninsula Fireplace on Platform * As required by design as long as ceiling clearance is maintained. - Page 6 VDVF36P and VDVF36ST Series ® DIRECT-VENT GAS FIREPLACE HEATER GENERAL VENTING TERMINATION CAP A = clearance above grade, veranda, porch, deck, or balcony [*12 inches (305mm) minimum] B = clearance to window or door that may be opened [12 inches (305mm) minimum] C = clearance to permanently closed window [minimum 12 inches (305mm) recommended to prevent condensation on window] D = vertical clearance to ventilated soffit located above the terminal...
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Page 7: Venting Installation
VENTING INSTALLATION WARNING: Read all instruc- tions completely and thoroughly before attempting installation. Failure to do so could result in serious injury, property damage or loss of life. Operation of im- properly installed and maintained venting system could result in serious injury, property damage or loss of life. - Page 8 VDVF36P and VDVF36ST Series ® DIRECT-VENT GAS FIREPLACE HEATER VENTING INSTALLATION Continued INSTALLATION FOR HORIZONTAL TERMINATION 1. Determine the route your horizontal venting will take. Note: The location of the horizontal vent termination on the exterior wall must meet all local and national building codes and must not be easily blocked or obstructed.
- Page 9 VENTING INSTALLATION Continued 3. Attach vent pipe assembly to the fire- place. Set fireplace in front of it’s per- manent location to insure minimum clearances. Mark the wall for a 10" square hole (for noncombustible ma- terial such as masonry block or con- crete, a 7 "...
- Page 10 VDVF36P and VDVF36ST Series ® DIRECT-VENT GAS FIREPLACE HEATER VENTING INSTALLATION Continued Horizontal Termination Configurations Figures 21 through 23 show different con- figurations for venting with horizontal ter- mination. Each figure includes a chart with vertical minimum/maximum and horizon- tal maximum dimensions which must be met.
- Page 11 VENTING INSTALLATION Continued Venting with Two 90 Elbows Vertical (V) Horizontal (H Horizontal (H 5' min. 4' max. 6' min. 8' max. 7' min. 10' max. 8' min. 15' max. 20' max. 20' max. Figure 23 - Horizontal Termination Configuration for Rigid Venting Using Two 90 Elbows with Termination at 90 with Fireplace 105706 OWNER’S MANUAL 45 Starter...
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Page 12: Installation For Vertical Termination
VDVF36P and VDVF36ST Series ® DIRECT-VENT GAS FIREPLACE HEATER VENTING INSTALLATION Continued INSTALLATION FOR VERTICAL TERMINATION NOTICE: Use rigid pipe only. Flex venting is not to be used with a vertical termination. 1. Determine the route your vertical vent- ing will take. If ceiling joists, roof rafters, or other framing will obstruct the venting system, consider an offset (see Figure 24) to avoid cutting... -
Page 13: Installation
VENTING INSTALLATION Continued 3. Lower the support box through the hole in the roof until the bottom of the box extends at least 2" below the ceiling (see Figure 26). Align the support box vertically and horizontally using a level. Temporarily tack the support box in place through the inside walls and into the roof sheathing. - Page 14 VDVF36P and VDVF36ST Series ® DIRECT-VENT GAS FIREPLACE HEATER VENTING INSTALLATION Continued 45 Starter Elbow Required Venting with Two 90 Elbows Vertical (V 5' min. 6' min. 7' min. 8' min. Note: Vertical (V Vertical (V Figure 30 - Vertical Rigid Venting Configuration Using Two 90 Elbows Horizontal (H) 6' max.
- Page 15 VENTING INSTALLATION Continued HIGH ALTITUDE INSTALLATION Your Vanguard direct-vent fireplace has been AGA tested and approved for eleva- tions from 0-2000 feet and CGA certified for elevations from 0-4500 feet. When installing this fireplace at an elevation above 2000 feet (in the USA), you may need to decrease the input rating by changing the existing burner orifice to a smaller size.
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Page 16: Wall Switch Installation
VDVF36P and VDVF36ST Series ® DIRECT-VENT GAS FIREPLACE HEATER INSTALLATION WALL SWITCH INSTALLATION Since the VDVF36 series models use a valve that operates on millivolt current gen- erated by the pilot, a wall switch may be used to activate the gas control valve with- out the use of normal household electricity. - Page 17 INSTALLATION Continued Installing 9-Volt Alkaline Battery in Hand-Held Remote Control Unit 1. Remove battery cover on back of re- mote control unit. 2. Attach terminal wires to the battery (not included). Place battery into the battery housing. 3. Replace battery cover onto remote con- trol unit.
- Page 18 The millivolt system with a manual HI/LO applies only to the VDVF36STN/STP and VDVF36PN/PP models. The gas control valve is secured underneath the firebox with two brackets fastened to the firebox bottom. Two pressure taps are provided on the gas control valve for a pressure gauge connec- tion (see Figure 40).
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Page 19: Pilot Assembly Adjustment
INSTALLATION Continued WARNING: Improper installa- tion, adjustment, alteration, ser- vice, or maintenance can cause injury or property damage. Refer to this manual. For assistance or additional information, consult a qualified installer, service agency, or gas supplier. Left Right Figure 44 - Installing Logs “A” (Top View) Left Right Figure 45 - Installing Logs “B ”... -
Page 20: Maintenance Instructions
VDVF36P and VDVF36ST Series ® DIRECT-VENT GAS FIREPLACE HEATER OPERATING GUIDELINES AND MAINTENANCE INSTRUCTIONS When lit for the first time, the appliance may emit a slight odor for about 16 - 24 hours. This is normal and is due to the “curing” of the logs and the “burn-in”... -
Page 21: Operating Fireplace
OPERATING FIREPLACE FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result caus- ing property damage, personal injury or loss of life. A. This appliance has a pilot which must be lighted by hand. - Page 22 VDVF36P and VDVF36ST Series ® DIRECT-VENT GAS FIREPLACE HEATER OPERATING FIREPLACE Continued 1. After lighting, let pilot flame burn for about one minute. Turn control knob to ON position. Adjust flame adjust- ment knob anywhere between HI and LO. Slide the selector switch to the REMOTE position.
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Page 23: Service Hints
SERVICE HINTS When Gas Pressure Is Too Low • pilot will not stay lit • burner will have delayed ignition • fireplace will not produce specified heat • propane/LP gas supply may be low When Gas Quality Is Bad • pilot will not stay lit •... -
Page 24: Troubleshooting
VDVF36P and VDVF36ST Series ® DIRECT-VENT GAS FIREPLACE HEATER TROUBLESHOOTING Note: For additional help, visit DESA International’s Technical Service web site at www.desatech.com. Note: Before troubleshooting the system, make sure the gas shut-off valve is ON. OBSERVED PROBLEM Pilot will not light No gas to burner, although wall switch and valve are set to the ON position Frequent pilot outage... - Page 25 TROUBLESHOOTING Continued OBSERVED PROBLEM When ignitor button is pressed, there is no spark at pilot When ignitor button is pressed, there is spark at pilot but no ignition Pilot lights but flame goes out when control knob is released 105706 OWNER’S MANUAL POSSIBLE CAUSE 1.
- Page 26 VDVF36P and VDVF36ST Series ® DIRECT-VENT GAS FIREPLACE HEATER TROUBLESHOOTING Continued OBSERVED PROBLEM Burner does not light after pilot is lit Delayed ignition burner Burner backfiring during combustion Slight smoke or odor during initial operation Heater produces a whistling noise when burner is lit Glass soots Fireplace produces a clicking/ticking noise...
- 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. Follow the gas supplier’s instructions.
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Page 28: Replacement Parts
VDVF36P and VDVF36ST Series ® DIRECT-VENT GAS FIREPLACE HEATER ACCESSORIES RECEIVER AND HAND-HELD ON/OFF REMOTE CONTROL KIT - GHRC For all models. Allows the gas log heater to be turned on and off by using a hand-held remote control. RECEIVER AND HAND-HELD THERMOSTAT REMOTE CONTROL KIT - GHRCT For all models. - Page 29 REPLACEMENT PARTS Continued Front (Bottom) Left/Right (Bottom) Rear (Used for Peninsula and See Thru) REFRACTORY PIECES Front (Bottom) 105886-01 (25854) Left/Right (Bottom) 105887-01 (25856) Rear - 105888-01 (25855) PIEZO IGNITOR - 105884-01 (14261) ORIFICE Natural - 105890-01 (27224) Propane/LP - 105890-02 (25238) SCREEN ASSEMBLY 105898-01 (25903) 105706...
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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. DESA International warrants this product to be free from defects in materials and components for four (4) years from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions.