Table of Contents
Advertisement
For more information, visit www.desatech.com
For more information, visit www.desatech.com
VN20BT
VP20BT
VN30BT
VP30BT
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*, 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.
Save this manual for future reference.
UNVENTED (VENT-FREE)
BLUE FLAME GAS HEATER
SAFETY INFORMATION AND
®
INSTALLATION MANUAL
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 as-
sistance or additional information
consult a qualified installer, ser-
vice 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 Venti-
lation section on page 4 of this
manual.
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Vanguard VN20BT
Summary of Contents for Vanguard VN20BT
- Page 1 BLUE FLAME GAS HEATER SAFETY INFORMATION AND ® INSTALLATION MANUAL For more information, visit www.desatech.com For more information, visit www.desatech.com VN20BT VP20BT VN30BT VP30BT WARNING: Improper installation, WARNING: If the information in this manual is not adjustment, alteration, service, or...
-
Page 2: Table Of Contents
TABLE OF CONTENTS SAFETY INFORMATION TABLE OF CONTENTS SAFETY INFORMATION ............2 SPECIFICATIONS ..............16 LOCAL CODES ................3 SERVICE HINTS ............... 16 PRODUCT IDENTIFICATION ............. 3 TECHNICAL SERVICE ............. 16 UNPACKING ................3 SERVICE PUBLICATIONS ............16 PRODUCT FEATURES .............. 3 TROUBLESHOOTING .............. -
Page 3: Local Codes
SAFETY INFORMATION LOCAL CODES PRODUCT IDENTIFICATION UNPACKING PRODUCT FEATURES SAFETY INFORMATION PRODUCT IDENTIFICATION Continued Control Knob Ignitor Button 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 •... -
Page 4: Air For Combustion And Ventilation
AIR FOR COMBUSTION AND VENTILATION Providing Adequate Ventilation AIR FOR COMBUSTION AND VENTILATION Unusually tight construction is defined as construction WARNING: This heater shall not be installed in a where: confined space or unusually tight construction un- a. walls and ceilings exposed to the outside atmosphere less provisions are provided for adequate combustion have a continuous water vapor retarder with a rating and ventilation air. - Page 5 AIR FOR COMBUSTION AND VENTILATION Determining Fresh-Air Flow For Heater Location AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH-AIR FLOW FOR Compare the maximum Btu/Hr the space can support with the actual amount of Btu/Hr used. HEATER LOCATION __________________ Btu/Hr (maximum the space can support) Determining if You Have a Confined or __________________ Btu/Hr (actual amount of Btu/Hr used) Unconfined Space...
-
Page 6: Ventilation Air
AIR FOR COMBUSTION AND VENTILATION Ventilation Air AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Building 12" This fresh air would come from an adjoining unconfined space. When ventilating to an adjoining unconfined space, you must provide two permanent openings: one within 12"... -
Page 7: Installation
INSTALLATION Check Gas Type Installation Items Locating Heater INSTALLATION LOCATING HEATER NOTICE: This heater is intended for use as supple- mental heat. Use this heater along with your primary heating system. Do not install this heater as your WARNING: Maintain the minimum clearances primary heat source. - Page 8 INSTALLATION Locating Heater (Cont.) Thermostat Sensing Bulb Installing Heater To Wall INSTALLATION Continued IMPORTANT: Vent-free heaters add moisture to the air. Although INSTALLING HEATER TO WALL this is beneficial, installing heater in rooms without enough venti- Mounting Bracket lation air may cause mildew to form from too much moisture. See Air for Combustion and Ventilation, pages 4 through 6.
- Page 9 Figure 10 - Popping Open Figure 9 - Folding Anchor Floor Anchor Wings For Thin Walls Models VN20BT & VP20BT Horizontal Slots Figure 8 - Mounting Bracket Clearances Attaching Mounting Bracket To Wall Note: Wall anchors, mounting screws, and spacers are in hardware Mounting Bracket package.
- Page 10 INSTALLATION Installing Heater To Wall (Cont.) Mounting Heater To Floor INSTALLATION Continued Installing Bottom Mounting Screws MOUNTING HEATER TO FLOOR Locate two bottom mounting holes. These holes are near bot- Mounting Base Feet to Heater tom on back panel of heater (see Figure 12). Lay heater cabinet on its back on a table with the heater bot- Mark screw locations on wall.
-
Page 11: Connecting To Gas Supply
Connecting To Gas Supply INSTALLATION Continued CONNECTING TO GAS SUPPLY Typical Inlet Pipe Diameters VN20BT, VP20BT - 3/8" or greater WARNING: This appliance requires a 3/8" NPT VN30BT, VP30BT - 1/2" or greater (National Pipe Thread) inlet connection to the pres- sure regulator. -
Page 12: Checking Gas Connections
INSTALLATION Checking Gas Connections INSTALLATION Continued CHECKING GAS CONNECTIONS Pressure Testing Heater Gas Connections 1. Open equipment shutoff valve (see Figure 16). WARNING: Test all gas piping and connections 2. For natural gas open main gas valve located on or near gas for leaks after installing or servicing. -
Page 13: Operating Heater
OPERATING HEATER For Your Safety Read Before Lighting Lighting Instructions OPERATING HEATER Note: You may be running this heater for the first time FOR YOUR SAFETY READ after hooking up to gas supply. If so, the control knob may BEFORE LIGHTING need to be pressed in for 30 seconds or more. -
Page 14: Inspecting Heater
OPERATING HEATER To Turn Off Gas To Appliance Thermostat Control Manual Lighting Procedure INSPECTING HEATER Pilot Flame Pattern Burner Flame Pattern OPERATING HEATER INSPECTING HEATER Continued Check pilot flame pattern and burner flame pattern often. PILOT FLAME PATTERN TO TURN OFF GAS TO APPLIANCE Figure 21 shows a correct pilot flame pattern. -
Page 15: Cleaning And Maintenance
INSPECTING HEATER Burner Flame Heater (Cont.) CLEANING AND MAINTENANCE ODS/Pilot and Burner Cleaning Burner Pilot Air Inlet Cabinet INSPECTING HEATER Continued If burner flame pattern is incorrect, as shown in Figure 24 We also recommend that you keep the burner tube and pilot assembly clean and free of dust and dirt. -
Page 16: Specifications
SPECIFICATIONS SERVICE HINTS TECHNICAL SERVICE SERVICE PUBLICATIONS SPECIFICATIONS VN20BT VN30BT Btu (Variable) 10,000/20,000 15,000/30,000 Type Gas Natural Only Natural Only Ignition Piezo Piezo Pressure Regulator Setting 3" W.C. 3" W.C. Inlet Gas Pressure (in. of water) Maximum 10.5" 10.5" Minimum 4"... -
Page 17: Troubleshooting
TROUBLESHOOTING TROUBLESHOOTING WARNING: Turn off and un- CAUTION: Never use a wire, plug heater 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. - Page 18 TROUBLESHOOTING TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner does not light after ODS/pilot is lit 1. Burner orifice is clogged 1. Clean burner (see Cleaning and Mainte- nance, page 15) or replace burner orifice 2. Inlet gas pressure is too low 2.
- Page 19 TROUBLESHOOTING 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.
-
Page 20: Illustrated Parts Breakdown And Parts List
ILLUSTRATED PARTS BREAKDOWN VN20BT, VP20BT, VN30BT, VP30BT ILLUSTRATED PARTS BREAKDOWN VN20BT, VP20BT VN30BT, VP30BT For more information, visit www.desatech.com For more information, visit www.desatech.com 107886-01F... -
Page 21: Parts List
PARTS LIST VN20BT, VP20BT, VN30BT, VP30BT PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 22 of this manual. PART NUMBER FOR VN20BT VP20BT VN30BT VP30BT DESCRIPTION QTY. -
Page 22: Replacement Parts
REPLACEMENT PARTS ACCESSORIES REPLACEMENT PARTS ACCESSORIES Note: Use only original replacement parts. This will protect your Purchase these heater accessories from your local dealer. If they can not warranty coverage for parts replaced under warranty. supply these accessories, call DESA International at 1-866-672-6040 for referral information. - Page 23 You can register online at www.desatech.com. If access to our website is not available to you, please complete this Owner’s Registration Form and mail to the address on the back of this owner’s manual. Please provide the following product information: Brand: (Comfort Glow, Vanguard, etc.) Model: (EFP33PR, VTGH33NR, etc.) Date Purchased: Note: Keep receipt for warranty verification.
- Page 24 Postage Required 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 For more information, visit www.desatech.com For more information, visit www.desatech.com 107886-01F TAPE...
- Page 25 NOTES NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ For more information, visit www.desatech.com For more information, visit www.desatech.com 107886-01F...
-
Page 26: 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. We make no other warranty, expressed or implied.
Need help?
Do you have a question about the VN20BT and is the answer not in the manual?
Questions and answers