Desa Vanguard VN2000BTC Owner'S Operation And Installation Manual Download Page 30 | Manualshive

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103874

FAN KITS - GA3100A, and GA3200TA

For all models. Provides better heat distribu-
tion. Makes heater more efficient. Complete
installation and operating instructions
included.
Manually controlled - GA3100A. Includes
ON/OFF switch.
Thermostatically controlled - GA3200TA.
Includes three settings: ON/OFF/AUTO.

ACCESSORIES

Purchase these heater accessories from your local dealer. If they can not supply
these accessories, call DESA International’s Parts Department at 1-800-972-7879
for referral information. You can also write to the address listed on the back page of
this manual.

MANUAL SHUTOFF
VALVE - GA5010

For all models. Manual shutoff valve
with 1/8" NPT tap.

FLOOR MOUNTING STAND
Model VN2000BTB - GA4000B
Model VN2800BTB - GA4010B

For locating heater on the floor, away
from a wall. Complete installation
instructions included.

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Summary of Contents for Vanguard VN2000BTC

Page 1: ...ur 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 WARNING This is an unvented gas fired heater It uses air oxygen from the room in which it is installed Provisions for adequa...

Page 2: ...on electrical shock and carbon monoxide poisoning WARNING ICON G 001 DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning resemble the flu with headaches dizziness or nausea If you have these signs the heater may not be working properly Get fresh air at once Have heater serviced Some people are more affected by carbon monoxide than o...

Page 3: ...if not enough fresh air is available See Air for Combustion and Ventilation pages 5 through 8 6 Keep all air openings in front and bottom of heater clear and free of debris This will insure enough air for proper combustion 7 If heater shuts off do not relight until you provide fresh outside air If heater keeps shutting off have it serviced 8 Do not run heater where flammable liquids or vapors are ...

Page 4: ... damaged promptly inform dealer where you bought heater Figure 1 Vent Free Natural Gas Heater Models VN2800BTC Shown Ignitor Button Control Knob Heater Cabinet Front Panel PRODUCT FEATURES Safety Device This heater has a pilot with an Oxygen Depletion Sensor Shutoff System ODS The ODS pilot is a required feature for vent free room heaters The ODS pilot shuts off the heater if there is not enough f...

Page 5: ...tion The air that leaks around doors and windows may provide enough fresh air for combustion and ventilation However in buildings of unusually tight construction you must provide additional fresh air Unusually tight construction is defined as construction where a walls and ceilings exposed to the outside atmosphere have a continuous water vapor retarder with a rating of one perm 6x10 11 per pa sec...

Page 6: ... heater ___________________ Btu Hr Gas fireplace logs ___________________ Btu Hr Other gas appliances ___________________ Btu Hr Total ___________________ Btu Hr Example Gas water heater 40 000 Btu Hr Vent free heater 20 000 Btu Hr Total 60 000 Btu Hr Do not include direct vent gas appliances Direct vent draws combustion air from the outdoors and vents to the outdoors 4 Compare the maximum Btu Hr ...

Page 7: ...uilding 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 of the floor on the wall connecting the two spaces see options 1 and 2 Figure 2 You can also remove door into adjoining room see option 3 Figure 2 Follow the National Fuel Gas Code NFPA 54 ANSI ...

Page 8: ...ent 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 These spaces include attics and crawl spaces Follow the National Fuel Gas Code NFPA 54 ANSI Z223 1 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts IMPORTANT Do not provide openings for inlet or outlet ai...

Page 9: ... install the heater in a home garage heater pilot and burner must be at least 18 inches above floor locate heater where moving vehicle will not hit it IMPORTANT Vent free heaters add moisture to the air Although this is beneficial in stalling heater in rooms without enough ventilation air may cause mildew to form from too much moisture See Air for Combustion and Ventilation pages 5 through 8 WARNI...

Page 10: ... Attaching Thermostat Sensing Bulb 1 Remove thermostat sensing bulb from holders inside heater Route through slot opening in bottom of heater 2 Place clamp on thermostat sensing bulb as shown in Figure 5 Clamp is provided in hardware package 3 Snap clamp into upper mounting hole as shown in Figure 5 Mounting hole is located on lower left edge on back of heater Make sure the thermostat sensing bulb...

Page 11: ...2 Attaching to wall anchor Attaching to wall stud This method provides the strongest hold Insert mounting screws through mounting bracket and into wall studs Attaching to wall anchor This method allows you to attach mounting bracket to hollow walls wall areas between studs or to solid walls concrete or masonry Decide which method better suits your needs Either method will provide a secure hold for...

Page 12: ...ing screws through bracket and into wall studs 4 Tighten screws until mounting bracket is firmly fastened to wall studs Attaching to wall anchor method For attaching mounting bracket to hollow walls wall areas between studs or solid walls concrete or masonry 1 Drill holes at marked locations using 5 16 drill bit For solid walls concrete or masonry drill at least 1 deep 2 Fold wall anchor as shown ...

Page 13: ...nstalling Bottom Mounting Screws 1 Locate two bottom mounting holes These holes are near bottom on back panel of heater see Figure 12 2 Mark screw locations on wall 3 Remove heater from mounting bracket 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 12 If installing bottom mounting screw into...

Page 14: ...n supply line as shown in Figure 13 page 15 Locate sediment trap where it is within reach for cleaning Locate sediment trap where trapped matter is not likely to freeze A sediment trap traps moisture and contaminants This keeps them from going into heater controls If sediment trap is not installed or is installed wrong heater may not run properly WARNING ICON G 001 CAUTION Use only new black iron ...

Page 15: ...r servicing Correct all leaks at once Continued Manual Shutoff Valve CONNECTING TO GAS SUPPLY Continued 3 Minimum Typical Inlet Pipe from Gas Meter 4 W C to 10 5 W C Pressure WARNING ICON G 001 WARNING Never use an open flame to check for a leak Apply a mixture of liquid soap and water to all joints Bubbles forming show a leak Correct all leaks at once PRESSURE TESTING GAS SUPPLY PIPING SYSTEM Tes...

Page 16: ...t all leaks at once PRESSURE TESTING HEATER GAS CONNECTIONS 1 Open manual shutoff valve see Figure 14 2 Open main gas valve located on or near gas meter 3 Make sure control knob of heater is in the OFF position 4 Check all joints from manual shutoff valve to thermostat gas valve see Figure 15 Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak 5 Correct all leaks at on...

Page 17: ...trol knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician or gas supplier Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas co...

Page 18: ... the glass panel If needed keep pressing ignitor button until pilot lights Note If pilot does not stay lit refer to Troubleshooting pages 22 through 25 Also contact a qualified service person or gas supplier for repairs Until repairs are made light pilot with match To light pilot with match see Manual Lighting Procedure page 19 WARNING ICON G 001 CAUTION Do not try to adjust heating levels by usin...

Page 19: ...burner will shut off The burner will cycle back on when room temperature drops below the set temperature The control knob can be set to any heat level between HI and LO Selecting the HI setting will cause the burner to remain fully on without modulating down in most cases Note The thermostat sensing bulb measures the temperature of air near the heater cabinet This may not always agree with room te...

Page 20: ...igure 19 shows an incorrect pilot flame pattern The incorrect pilot flame is not touching the thermocouple This will cause the thermocouple to cool When the thermocouple cools the heater will shut down Figure 18 Correct Pilot Flame Pattern Thermocouple Pilot Burner If pilot flame pattern is incorrect as shown in Figure 19 turn heater off see To Turn Off Gas to Appliance page 19 see Troubleshooting...

Page 21: ... 2 GLASS HEIGHT INCORRECT FLAME PATTERN AT HIGH POSITION Figure 21 Incorrect Burner Flame Pattern NOTICE Do not mistake orange flames with yellow tipping Dirt or other fine particles enter the heater and burn causing brief patches of orange flame WARNING ICON G 001 WARNING If yellow tipping occurs your heater could produce increased levels of carbon monoxide If burner flame pattern shows yellow ti...

Page 22: ... carpeting bedding material etc TROUBLE SHOOTING Note All troubleshooting items are listed in order of operation WARNING ICON G 001 WARNING Turn off and unplug heater and let cool before servicing Only a qualified service person should service and repair heater WARNING ICON G 001 CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit POSSIBLE CAUSE 1 Ig...

Page 23: ...rmocouple 8 Replace control valve OBSERVED PROBLEM When ignitor button is pressed there is spark at ODS pilot but no ignition ODS pilot lights but flame goes out when control knob is released POSSIBLE CAUSE 1 Gas supply turned off or manual shutoff valve closed 2 Control knob not in PILOT position 3 Control knob not pressed in while in PILOT position 4 Air in gas lines when installed 5 ODS pilot i...

Page 24: ...and Mainte nance page 22 2 Replace gas regulator 1 Problem will stop after a few hours of operation 1 Turn control knob to LO position and let warm up for a minute 2 Operate burner until air is removed from line Have gas line checked by local natural gas company 3 Observe minimum installation clearances see Figure 4 page 10 4 Clean burner see Cleaning and Mainte nance page 22 or replace burner ori...

Page 25: ...ing statement at top of page 2 Control valve defective 1 Foreign matter be tween control valve and burner 2 Gas leak See Warn ing statement at top of page 1 Not enough combus tion ventilation air OBSERVED PROBLEM Heater produces a clicking ticking noise just after burner is lit or shut off Heater produces unwanted odors Heater shuts off in use ODS operates Gas odor even when control knob is in OFF...

Page 26: ... not stay lit burner will produce flames and soot heater will backfire when lit You may feel your gas pressure is too low or gas quality is bad If so contact your local natural gas supplier VN2000BTC VN2800BTC 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 7 7 Minimum 5 5...

Page 27: ...call DESA International s Technical Service Department at 1 800 323 5190 When calling DESA International have ready your name your address model number of your heater how heater was malfunctioning type of gas used propane or natural gas purchase date 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 can t...

Page 28: ...28 103874 1 2 3 4 5 6 7 8 9 10 10 11 12 13 14 15 17 19 20 21 22 23 24 16 25 26 18 12 1 12 2 12 ODS Pilot Assembly VN2000BTC VN2800BTC ...

Page 29: ...r Cable 1 11 098249 01 098249 01 Nut M5 2 12 099440 05 099440 05 ODS Pilot Assembly 1 12 1 098514 01 098514 01 Thermocouple 1 12 2 098594 01 098594 01 Ignitor Electrode 1 13 103446 01 103447 01 Burner 1 14 099387 03 099387 03 3 16 Pilot Tubing 1 15 103845 02 103845 04 Injector 1 16 099066 01 099066 01 Mounting Bracket 1 17 099415 07 099415 07 Pressure Regulator 1 18 099553 01 099553 01 Pilot Shiel...

Page 30: ...SORIES Purchase these heater accessories from your local dealer If they can not supply these accessories call DESA International s Parts Department at 1 800 972 7879 for referral information You can also write to the address listed on the back page of this manual MANUAL SHUTOFF VALVE GA5010 For all models Manual shutoff valve with 1 8 NPT tap FLOOR MOUNTING STAND Model VN2000BTB GA4000B Model VN28...

Page 31: ...____________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________...

Page 32: ...nstalled by a qualified installer in accordance with all local codes and instructions furnished with the unit This warranty does not apply to parts that are not in original condition because of normal wear and tear or parts that fail or become damaged as a result of misuse accidents lack of proper maintenance or defects caused by improper installation Travel diagnostic cost labor transportation an...

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