Table of Contents
Advertisement
Quick Links
VENT-FREE NATURAL GAS HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
WARNING: If the information in this manual 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.
Model: VN1000B
Save this manual for future reference.
®
®
Advertisement
Table of Contents
Related Manuals for Vanguard VN1000B
Summary of Contents for Vanguard VN1000B
- Page 1 • 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. Save this manual for future reference. Model: VN1000B ® ®...
-
Page 2: Table Of Contents
CONTENTS SECTION Safety Information ... 2 Product Identification ... 4 Local Codes ... 4 Unpacking ... 4 Product Features ... 4 Fresh Air For Combustion and Ventilation ... 5 Installing To Wall ... 9 Connecting To Gas Supply ... 13 Checking Gas Connections ... -
Page 3: Safety Warnings
SAFETY INFORMATION Continued 099400 WARNINGS WARNING ICON G 001 WARNING: Any change to this heater or its controls can be dangerous. 1. Use only natural gas. Do not convert heater to use different fuel type. 2. If you smell gas •... -
Page 4: Product Identification
PRODUCT IDENTIFICATION LOCAL CODES Install and use heater with care. Follow all local codes. In the absence of local codes, use the latest edition of The National Fuel Gas Code ANSI Z223.1 also known as NFPA 54*. *Available from: UNPACKING PRODUCT FEATURES Ignitor Button... -
Page 5: Fresh Air For Combustion And Ventilation
FRESH AIR COMBUSTION VENTILATION 099400 WARNING ICON G 001 This heater must have fresh air for proper operation. If not, poor fuel combustion could result. 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 FRESH AIR Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space. COMBUSTION Space: Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms.
- Page 7 FRESH AIR COMBUSTION VENTILATION Continued 099400 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 provide two permanent openings: one within 12" of the ceiling and one within 12"...
- Page 8 FRESH AIR VENTILATION AIR Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts. You must provide two perma- COMBUSTION nent openings: one within 12" of the ceiling and one within 12" of the floor. Connect these items directly to the outdoors or spaces open to the outdoors.
-
Page 9: Installing To Wall
INSTALLING TO WALL 099400 A qualified service person must install heater. Follow all local codes. CHECK GAS TYPE Use only natural gas. If your gas supply is not natural, do not install heater. Call dealer where you bought heater for proper type heater. INSTALLATION ITEMS Before installing heater, make sure you have the items below: •... - Page 10 INSTALLING TO WALL Continued For convenience and efficiency, install heater • where there is easy access for operation, inspection, and service • in coldest part of room CEILING 6" Minimum From Sides Of Heater Left Side FLOOR Figure 4 - Mounting Clearances As Viewed From Front of Heater INSTALLING HEATER TO WALL Marking Screw Locations 1.
- Page 11 INSTALLING TO WALL Continued 099400 Installing Two Mounting Screws Wall anchors and mounting screws are in hardware package. The hardware Note: package is provided with heater. Attaching to wall stud method For attaching mounting screw to wall stud 1. Drill hole at marked location using 9/64" drill bit. 2.
- Page 12 INSTALLING Placing Heater On Mounting Screws 1. Locate two keyhole slots on back panel of heater (see Figure 9). TO WALL 2. Place large openings of slots over screwheads. Slide heater down until screws Continued Removing Front Panel Of Heater 1.
-
Page 13: Connecting To Gas Supply
CONNECTING TO GAS SUPPLY 099400 A qualified service person must connect heater to gas supply. Follow all local codes. WARNING ICON G 001 Never connect heater to private (non-utility) gas wells. This gas is commonly known as well-head gas. Check gas line pressure before connecting heater to gas line. Gas line IMPORTANT : pressure must be no greater than 14 inches of water. -
Page 14: Checking Gas Connections
CONNECTING TO GAS SUPPLY Continued CHECKING CONNECTIONS Hold pressure regulator with wrench when connecting it to gas piping IMPORTANT: and/or fittings. 3/8" NPT Pipe Nipple Ground Joint Union Manual Shutoff Valve * From External Regulator (4" W.C. to 10.5" W.C. Pressure) 3"... - Page 15 CONNECTING TO GAS SUPPLY Continued 099400 4. Check all joints of gas supply piping system. Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak. 5. Correct all leaks at once. Test Pressures Equal To or Less Than 1/2 PSIG 1.
-
Page 16: Operating Heater
OPERATING HEATER 1. STOP! Read the safety information above. 2. Make sure manual shutoff valve is fully open. 3. Turn control knob clockwise FOR YOUR SAFETY READ BEFORE LIGHTING WARNING ICON G 001 If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. - Page 17 OPERATING HEATER Continued 099400 4. Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow "B" in the safety information at the top of page 16. If you don’t smell gas, go to the next step. 5.
-
Page 18: Inspecting Burner
OPERATING HEATER Continued INSPECTING Check pilot flame pattern and burner flame pattern often. PILOT FLAME PATTERN BURNER Figure 17 shows a correct pilot flame pattern. Figure 18 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching the thermocouple. This will cause the thermocouple to cool. - Page 19 INSPECTING BURNER Continued 099400 BURNER FLAME PATTERN Figure 19 shows a correct burner flame pattern. Figure 20 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. WARNING ICON If yellow tipping occurs, your heater could produce increased levels of carbon monoxide.
-
Page 20: Cleaning And Maintenance
CLEANING MAINTENANCE ODS/PILOT AND BURNER ORIFICE CABINET TROUBLE- SHOOTING Note: All troubleshooting items are listed in order of operation. WARNING ICON Turn off heater and let cool before cleaning. WARNING ICON You must keep control areas, burner, and circulating air passageways of heater clean. - Page 21 TROUBLE- SHOOTING Continued 099400 POSSIBLE OBSERVED CAUSE PROBLEM 1. Gas supply turned off When ignitor button or manual shutoff is pressed, there is spark at ODS/pilot valve closed but no ignition 2. Control knob not in PILOT position 3. Control knob not pressed in while in PILOT position 4.
- Page 22 TROUBLE- SHOOTING Continued OBSERVED POSSIBLE PROBLEM CAUSE Burner does not light 1. Burner orifice is after ODS/pilot is lit clogged 2. Burner orifice diameter is too small 3. Inlet gas pressure is too low Delayed ignition of 1. Manifold pressure is burner too low 2.
- Page 23 TROUBLE- SHOOTING Continued 099400 WARNING ICON G 001 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 24: Technical Service
You may feel your gas pressure is too low or gas quality is bad. If so, contact your local natural gas supplier. You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-323- 5190. Maximum... -
Page 25: Replacement Parts
Usually, we will ask you to return the defective part to the factory. Parts Not Under Warranty Contact authorized dealers of this product. If they cannot supply original replace- ment part(s), call DESA International’s Parts Department at 1-800-972-7879 for information. When calling DESA International, have ready: •... -
Page 26: Illustrated Parts Breakdown
HEATER EXPLODED VIEW... -
Page 27: Parts List
PARTS LIST 099400 This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 25 of this manual. PART NUMBER DESCRIPTION 098304-01 Screw, #10 x 3/8" 099467-01 Front Panel Assembly 099318-04 Grill Guard 098342-01... -
Page 28: Warranty Information
VANGUARD VENT-FREE NATURAL GAS HEATERS DESA International warrants this product and any parts thereof, to be free from defects in material and work- manship for two years from the date of first purchase, provided that the product has been properly installed, operated, and maintained in accordance with all applicable instructions.