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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 quali-

fied installer, service agency or the gas supplier.

INSTALLER:  Leave  this  manual  with  the  appliance. 
CONSUMER: Retain this manual for future reference.

UNVENTED (VENT-FREE) GAS LOG HEATER

OWNER’S OPERATION AND INSTALLATION MANUAL

18", 24", 30" AND 36"

VARIAbLE MANUALLy-CONTROLLED MODELS  

VUL18NV, VUL18PV, VUL24NV, VUL24PV,

VUL30NV, VUL30PV, VUL36NV AND VUL36PV

Also Design-Certified As Vented Decorative Appliances

Содержание VUL18NV

Страница 1: ...one in your building Immediatelycallyourgassupplierfromaneighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service...

Страница 2: ...g masonry or UL127 fac tory built fireplace or in a listed ventless firebox en closure It is design certi fied for these installations in accordance with ANSI Z21 11 2 Exception Do not install this ap...

Страница 3: ...s Make certain you read and understand all warnings Keep this manual for reference It is your guide to safe and proper operation of this fireplace WARNING Any change to this heater or its controls can...

Страница 4: ...f you operate heater with doors closed heat buildup inside fireplace will cause glass to burst Make sure there are no obstructions across openings of fireplace 8 To prevent the creation of soot follow...

Страница 5: ...ety information 1 Remove logs and heater base assembly from carton Note Do not pick up heater base assem bly by burners This could damage heater Always handle base assembly by grate 2 Remove all prote...

Страница 6: ...to determine if you have a confined or unconfined space Space Includes the room in which you will install fireplace plus any adjoining rooms with door less passageways or ventilation grills between t...

Страница 7: ...ace because the actual Btu Hr used is more than the maximum Btu Hr the space can sup port You must provide additional fresh air Your options are as follows A Rework worksheet adding the space of an ad...

Страница 8: ...ualified chimney cleaner Creosote will ignite if highly heated Adirtychimneyfluemay createanddistributesootwithin the house Inspect chimney and firebox flue for damage If dam aged repair flue and fire...

Страница 9: ...as but not both Gas type is indicated on the rating plate Field conversion is not permitted INSTALLATION AND CLEARANCES For Vent Free Operation WARNING Maintain the minimum clearances If you can provi...

Страница 10: ...ncombustible mate rial is more than 12 you may need the hood accessory to deflect heat away from your mantel shelf See Figure 5 and Figures 6 and 7 page 9 for minimum clearances IMPORTANT If you canno...

Страница 11: ...l Clearances When Using Hood Floor Clearances A If installing appliance on the floor level you must maintain the minimum distance of 14 to combustibles see Figure 8 B If combustible materials are less...

Страница 12: ...flue open ing you must provide Attach damper clamp so the minimum permanent flue opening will be maintained at all times Area of Various Standard Round Flues Diameter Area 5 20 sq inches 6 29 sq inch...

Страница 13: ...upply Follow all local codes CAUTION Never connect propane LP fireplace directly to the propane LP supply This heaterrequiresanexternalregu lator not supplied Install the external regulator between th...

Страница 14: ...all in piping system between fuel supply and heater Locate sediment trap where trapped matter is not likely to freeze A sediment trap traps moisture and contaminants This keeps them from going into he...

Страница 15: ...m by either opening propane LP supply tank valve for propane LP gas or opening main gas valve located on or near gas meter for natural gas or using compressed air Figure 15 Equipment Shutoff Valve Ope...

Страница 16: ...Right Log Support Bracket Right Front of Chassis 5 Place middle right log over front right and bottom logs as shown in Figure 20 Be sure hole in middle right log seats over pin in bottom log 6 Place m...

Страница 17: ...all Front Log Bracket Bracket 8 For VUL36NV PV models position left and right control cover logs as shown in Figure 21 These may be placed as de sired to hide controls Do not place these logs on heate...

Страница 18: ...utoff valve is fully open 3 Press in and turn control knob clockwise to the OFF position 4 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Fo...

Страница 19: ...orrect pilot flame pattern Figure 26 shows an incorrect pilot flame pat tern The incorrect pilot flame is not touching the thermocouple This will cause the thermo couple to cool When the thermocouple...

Страница 20: ...d let cool Remove blockage blocked burner flame holes will create soot WARNING Turn off heater and let cool before cleaning CAUTION You must keep control areas burners and circulating air passageways...

Страница 21: ...n PILOT position 4 Air in gas lines when in stalled 5 Depleted gas supply pro pane LP only 6 ODS pilot is clogged 7 Gas regulator setting is not correct REMEDY 1 Reconnect ignitor cable 2 Free ignitor...

Страница 22: ...stem to reset Repeat ignition operation 3 Fully open equipment shut off valve 4 A Contact local natural or propane LP gas company B Clean ODS pilot see Cleaning and Maintenance page 20 or replace ODS...

Страница 23: ...et warm up for a minute 2 Operate burners until air is removed from line Have gas line checked by local natural or propane LP gas company 3 Observe minimum installa tion clearances see pages 9 through...

Страница 24: ...statement at top of page 1 Not enough fresh air is available 2 Low line pressure 3 ODS pilot is partially clogged 1 Gas leak See Warning statement at top of page 2 Control valve or gas control defecti...

Страница 25: ...eating Products Technical Ser vice Department at 1 866 672 6040 When calling DESA Heating Products have ready your name your address model and serial numbers of your heater how heater was malfunctioni...

Страница 26: ...desatech com 119677 01G 26 Parts Models VUL18NV VUL18PV VUL24NV VUL24PV VUL30NV VUL30PV vul36nv vul36pv 11 13 31 10 30 4 1 8 3 12 8 2 5 6 7 28 22 23 8 20 17 24 26 19 21 15 2 8 23 33 29 32 9 18 16 25...

Страница 27: ...e 1 117934 02 Inlet Tube 1 16 099387 08 Pilot Tube 1 17 098508 01 Valve Retainer Nut 1 18 119583 05 Control Valve Natural 1 119583 06 Control Valve Propane LP 1 19 098325 01 Roll Pin 1 20 098462 03 Co...

Страница 28: ...21699 10 121699 16 Front Left Log 1 3 121699 02 121699 08 121699 14 Middle Right Log 1 4 121699 03 121699 09 121699 15 Middle Left Log 1 5 121699 01 121699 07 121699 13 Bottom Log 1 6 121699 06 121699...

Страница 29: ...Parts on page 25 of this manual KEY NO PART NO DESCRIPTION QTY 1 121699 07 Bottom Log 1 2 121699 14 Middle Right Log 1 3 121699 15 Middle Left Log 1 4 121699 20 Front Left Log 1 5 121699 21 Front Righ...

Страница 30: ...SERIES CIRCULATING FB36NCA FB42NC SERIES fireboxes NON CIRCULATING For all log models DAMPER CLAMP GA6080 For all models Permanently opens chimney flue damper for vented operation LAVA ROCK GA6060 Fo...

Страница 31: ...___________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________...

Страница 32: ...proved by DESA Heating LLC Warranty parts must be obtained through authorized dealers of this prod uct and or DESA Heating LLC who will provide original factory replacement parts Failure to use origin...

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