Table of Contents
Advertisement
UNVeNTed (VeNT-FRee) BlUe FlAMe GAs HeATeR
sAFeTY INFoRMATIoN ANd INsTAllATIoN MANUAl
WARNING: If the information in this manual is not fol-
lowed 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 quali-
fied installer, service agency or the gas supplier.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
Models VN20BTA, VP20BTA
VN30BTA ANd VP30BTA
For more information, visit www.desatech.com
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Desa VN20BTA
Summary of Contents for Desa VN20BTA
- Page 1 UNVeNTed (VeNT-FRee) BlUe FlAMe GAs HeATeR sAFeTY INFoRMATIoN ANd INsTAllATIoN MANUAl Models VN20BTA, VP20BTA WARNING: If the information in this manual is not fol- lowed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
-
Page 2: Table Of Contents
Safety Information ... Local Codes... 4 Product Identification ... 4 Unpacking... 4 Product Features ... 4 Air For Combustion and Ventilation ... 5 Installation ... 7 Operating Heater ... 14 Inspecting Heater ... 15 Cleaning and Maintenance ... 16 sAFeTY INFoRMATIoN WARNING: Improper in- stallation, adjustment, al-... -
Page 3: Safety Information
sAFeTY INFoRMATIoN Continued Natural and Propane/LP Gas: propane/LP gases are fuel gases. Fuel gases are odorless. An odor-making agent are added to fuel gases. The odor helps you detect a fuel gas leak. However, the odor added to fuel gas can fade. Fuel gas may be present even though no odor exists. -
Page 4: Local Codes
sAFeTY INFoRMATIoN Continued 13. Before using furniture polish, wax, carpet cleaner or similar products, turn heater off. If heated, the vapors from these products may create a white powder residue within burner box or on adjacent walls or furniture. 14. Provide adequate clearances around air openings. -
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 con- struction unless provisions are provided for adequate combus- tion and ventilation air. Read the following instructions to insure proper fresh air for this and other fuel-burning appliances in your home. -
Page 6: Determining Fresh-Air Flow For Heater Location
AIR FoR CoMBUsTIoN ANd VeNTIlATIoN Continued DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a con- fined or unconfined space. Space: Includes the room in which you will install heater plus any adjoining rooms with doorless pas- sageways or ventilation grills between the rooms. -
Page 7: Installation
AIR FoR CoMBUsTIoN ANd VeNTIlATIoN Continued vENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining un- confined space. When ventilating to an adjoining unconfined space, you must provide two perma- nent openings: one within 12" of the ceiling and one within 12"... -
Page 8: Installation Items
INsTAllATIoN Continued INSTALLATION ITEMS Before installing heater, make sure you have the items listed below. • for propane/LP gas, external regulator (supplied by installer) • piping (check local codes) • sealant (resistant to propane/LP gas) • equipment shutoff valve * •... -
Page 9: Thermostat Sensing Bulb
INsTAllATIoN Continued THERMOSTAT SENSING BULB The thermostat sensing bulb has been placed below the heater. 1. Place clamp on thermostat sensing bulb as shown in Figure 5. Clamp is provided in hardware package. 2. Snap clamp into upper mounting hole as shown in Figure 5. - Page 10 INsTAllATIoN Continued Attaching Mounting Bracket To Wall Note: Wall anchors, mounting screws and spacers are in hardware package. The hardware package is provided with heater. Attaching To Wall Stud Method For attaching mounting bracket to wall studs 1. Drill holes at marked locations using 9/64" drill bit.
-
Page 11: Connecting To Gas Supply
INsTAllATIoN Continued 4. If installing bottom mounting screws into hollow or solid wall, install wall anchors. Follow steps 1 through 4 under Attaching To Wall Anchor Method, page 10. If installing bottom mounting screw into wall stud, drill holes at marked locations using 9/64"... -
Page 12: Checking Gas Connections
INsTAllATIoN Continued CAUTION: Use only new, black iron or steel pipe. Internally-tinned copper tubing may be used in cer- tain areas. Check your local codes. Use pipe of large enough diameter to allow proper gas volume to heater. If pipe is too small, undue loss of volume will occur. - Page 13 INsTAllATIoN Continued CAUTION: For propane/LP gas, make sure external regula- tor has been installed between propane/LP supply and heater. See guidelines under Connect- ing to Gas Supply, page 11. PRESSURE TESTING GAS SUPPLY PIPING SYSTEM Test Pressures In Excess Of 1/2 PSIG (3.5 kPa) 1.
-
Page 14: Operating Heater
oPeRATING HeATeR FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result causing property damage, per- sonal injury or loss of life. A. This appliance has a pilot which must be lighted by hand. -
Page 15: Manual Lighting Procedure
oPeRATING HeATeR Continued TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. Turn control knob clockwise OFF position. 2. Turn off all electric power to the appliance if service is to be performed. Shutting Off Burner Only (pilot stays lit) Turn control knob clockwise position. -
Page 16: Cleaning And Maintenance
INsPeCTING HeATeR Continued Figure 23 shows a correct burner flame pattern. Fig- ure 24 shows an incorrect burner flame pattern. The incorrect burner flame pattern shows yellow tipping of the flame. It also shows the flame higher than 1/2 the glass panel height. If burner flame pattern is incorrect, as shown in Figure 24 •... -
Page 17: Troubleshooting
WARNING: Turn off and unplug heater and let cool before servicing. Only a qualified service person should service and repair heater. CAUTION: Never use a wire, needle or similar object to clean ODS/pilot. This can damage ODS/pilot unit. Note: All troubleshooting items are listed in order of operation. OBSERvED PROBLEM When ignitor button is pressed, there is no spark at ODS/pilot... - Page 18 OBSERvED PROBLEM ODS/pilot lights but flame goes out when control knob is released Burner does not light after ODS/ pilot is lit Delayed ignition of burner Burner backfiring during combustion TRoUBlesHooTING Continued POSSIBLE CAUSE 1. Control knob not fully pressed in 2.
- Page 19 OBSERvED PROBLEM Yellow flame during burner combustion Slight smoke or odor during initial operation Heater produces a whistling noise when burner is lit White powder residue forming within burner box or on adjacent walls or furniture Heater produces a clicking/tick- ing noise just after burner is lit or shut off Heater shuts off in use (ODS...
- Page 20 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. Fol- low the gas supplier’s instructions.
-
Page 21: Specifications
PUBlICATIoNs You can purchase a service manual from the address listed on the back page of this manual. Send a check for $5.00 payable to DESA Heat- ing Products. 113061-01F RePlACeMeNT PARTs Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty. -
Page 22: Illustrated Parts Breakdown
IllUsTRATed PARTs BReAkdowN MODELS VN20BTA, VP20BTA, VN30BTA, VP30BTA www.desatech.com Battery Negative Install Battery According To This Illustration (Actual ignitor may vary from illustration) 113061-01F... -
Page 23: Parts List
This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 21 of this manual. NO. PART NO. 111435-01 Electronic Ignitor 10767-01 Front Panel 107675-01 Front Panel 103476-01 Grill Guard 103476-0 Grill Guard 05-11 Thermostat Gas Valve 05-1 Thermostat Gas Valve... -
Page 24: Warranty Information
This warranty is extended only to the original retail purchaser. This warranty covers the cost of part(s) required to restore this heater to proper operating condition and an allowance for labor when provided by a DESA Authorized Service Center. Warranty part(s) MUST be obtained through authorized dealers of this product and/or DESA Heating Products who will provide original factory replacement parts.
Need help?
Do you have a question about the VN20BTA and is the answer not in the manual?
Questions and answers