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Desa VF-24P-PJD,VF-24N-PJD, VF-18N-PJD, VF-18P-PJD manual

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Table of contents for the manual

  • Page 1

    For more information, visit www .desatech.com W ARNING: 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. — WHA T TO DO IF YOU[...]

  • Page 2

    www .desatech.com 1 1 1826-04A 2 W ARNING: Improper installation, adjustment, altera- tion, service or maintenance can cause injury or prop- erty damage. Refer to this manual for correct installation and operational procedures. For assistance or addi- tional information consult a qualified installer , service agency or the gas supplier . W ARNING:[...]

  • Page 3

    www .desatech.com 1 1 1826-04A 3 W ARNING: Do not allow fans to blow directly into the heater . A void any dra fts that alter bur ner flame patterns. Ceiling fans can create drafts that alter burner flame patterns. Altered burner patterns can cause sooting. WAR NI N G : D o n o t p l a c e lo g s cr ap s o r l av a r oc ks o n burner . Due to hig[...]

  • Page 4

    www .desatech.com 1 1 1826-04A 4 1. This ap plia nce is only for us e wi th t he type of ga s indi ca te d on the rat in g plat e. This ap pli ance is n ot conv erti ble for use wit h ot her gas es. 2. Do not place propane/LP supply tank(s) in - side any structure. Locate propane/LP supply tank(s) outdoors (propane/LP units only). 3. If you smell g[...]

  • Page 5

    www .desatech.com 1 1 1826-04A 5 LOCAL CODES Install and use heater with care. Follow all local codes. In the absence of local codes, use the lat - est edition of The National Fuel Gas Code ANSI Z223.1/NFP A 54 *. *A vailable from: American National Standards Institute, Inc. 1430 Broadway New Y ork, NY 10018 National Fire Protection Association, In[...]

  • Page 6

    www .desatech.com 1 1 1826-04A 6 Unusually tight construction is defined as construction where: a. w all s and ceilin gs expos ed to the out - side atmosphere have a continuous wa te r vap or ret ar de r wi th a rati ng of on e perm (6 x 10 -1 1 kg per pa-sec -m 2 ) or less with op enin gs g aske ted or seal ed and b. weather stripping has been ad[...]

  • Page 7

    www .desatech.com 1 1 1826-04A 7 AIR FOR COMB USTION AND VENTILA TION Continued If the actual Btu/Hr used is les s than th e maxim um Bt u/ Hr th e spa ce ca n sup port , the space is an uncon- fined space. Y ou will need no additional fresh air ventilation. W ARNING: If the area in which the heater may be oper- ated is smaller than that defined [...]

  • Page 8

    www .desatech.com 1 1 1826-04A 8 INST ALLA TION NOTICE: This heater is intended for use as supplemental heat. Use this heater along with your primary heating system. Do not install this heater as your pri- mary heat source. If you have a central heati ng system, you may run system’s circulating blower while using heater . This will help cir cula [...]

  • Page 9

    www .desatech.com 1 1 1826-04A 9 INST ALLA TION AND CLEARANCES FOR VENT -FREE OPERA TION W ARNING: Maintain the min imu m cl ear anc es. If you ca n, pro vid e great er cle ara nce s from floo r , cei lin g and ad joi nin g wal l. INST ALLA TION Continued Carefully follow the instructions below . This will ensure safe installation into a masonry ,[...]

  • Page 10

    www .desatech.com 1 1 1826-04A 10 Figure 6 - Minimum Mantel Clearances Without Using Hood Minimum Non- Combustible Material Minimum Non- Combustible Material Height Distances to Underside of Mantel T op of Fireplace Opening Underside of Mantel Shelf Mantel Shelf 12" ( A ) 18" 20" 22" 24" All minimum distances are in inches [...]

  • Page 11

    www .desatech.com 1 1 1826-04A 1 1 MANTEL CLEARANCES In addition to meeting noncombustible material clea ranc es, you must also meet requir ed cleara nces between fireplace openings and mantel shelf on each side of the fireplace. If you do not meet the clearances listed below , you will need a hood. Determining Minimum Mantel Clearance If you mee[...]

  • Page 12

    www .desatech.com 1 1 1826-04A 12 CONNECTING TO GAS SUPPL Y W ARNING: This appliance requires a 1/2" NPT (National Pipe Thread) inlet connection to the pressure regulator . W ARN IN G: A q ua lifi ed se rvi ce p er so n mu s t co n n e ct h e at er t o g a s su pp ly . Fo llo w al l lo cal c od es . CAU TION: Neve r con nect propane/LP firep[...]

  • Page 13

    www .desatech.com 1 1 1826-04A 13 W e recommend that you install a sediment trap in supp ly line as shown in Figu re 12. Locate sed imen t trap where it is within reach for cleaning. Install in piping system between fuel supply and heater . Locate sediment trap where trapped matter is not likel y to freeze. A sedime nt trap traps moisture and conta[...]

  • Page 14

    www .desatech.com 1 1 1826-04A 14 INST ALLA TION Continued PRESSURE TESTING HEA TER GAS CONNECTIONS 1. Op en e quip men t sh ut of f v alv e (s ee F ig ure 13) . 2. Open main gas valve located on or near gas meter for natural gas or open propane/LP supply tank valve. 3. Make sure control knob of heate r is in the OFF position. 4. Check all joints f[...]

  • Page 15

    www .desatech.com 1 1 1826-04A 15 WHA T TO DO IF YOU SMELL GAS • Do not try to light any appliance. • Do not touch any electric switch; do not use any phone in your building. • I m m e d i a t el y c a l l y o u r g a s s u p pl i e r from a neighbor ʼ s phone. Follow the gas supplierʼs instructions. • If you cannot reach your gas supplie[...]

  • Page 16

    www .desatech.com 1 1 1826-04A 16 Changing The Code • The control is radio frequency operated. A code (chosen from among 4,000 available code s) i s pres et for al l va lves , bu t ca n be changed if required (15 additional codes availab le). Change DIP switch position. (The DIP switch is located inside the hand held control at the top of the bat[...]

  • Page 17

    www .desatech.com 1 1 1826-04A 17 OPERA TING HEA TER Continued Set Timer • Switch to timer mode by pressing the SET button briefly . • Press the SET button until P1 flashes. • Set t he h ou rs w ith an d mi nu tes wit h . • Press SET briefly for the next burner cycle time. • If all 4 times are set, pres sing the OFF button or waiting w[...]

  • Page 18

    www .desatech.com 1 1 1826-04A 18 10 . Continue holding down metal core for about 10 secon ds and then releas e the metal cor e. Pil ot shoul d stay lit. If not, rep eat step s one through 4, page 17. 1 1. T urn MAN-Knob to ON position - main gas flows. 12. T urn Motor -kno b to adj ust flam e. Knob has a slipping clutch that allows manual flame[...]

  • Page 19

    www .desatech.com 1 1 1826-04A 19 CLEANING AND MAINTENANCE W ARNING: T urn off heater and let cool before cleaning. CA UT I O N : Y o u mu st ke ep co n- tr ol ar eas , bu rne r and ci rc ula tin g ai r pas sa gew ays of he ate r cle an. Inspec t these areas of heater befo re e ach u se. Have he ater in spe cte d yea rly by a qu ali fied se rvi ce[...]

  • Page 20

    www .desatech.com 1 1 1826-04A 20 TROUBLESHOO TING W ARNING: T urn off 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. POS[...]

  • Page 21

    www .desatech.com 1 1 1826-04A 21 TROUBLESHOO TING Continued OBSERVED PROBLEM Burner backfiring during com- bustion Orange flame in burner during burner combustion Slight smoke or odor during initial operation (first hour) Hea ter pr odu ces a w hist lin g noise when burner is lit White powder residue forming within burner box or on adjacent wal[...]

  • Page 22

    www .desatech.com 1 1 1826-04A 22 TROUBLESHOO TING Continued W ARNING: 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 23

    www .desatech.com 1 1 1826-04A 23 TROUBLESHOO TING Continued POSSIBLE CAUSE Battery nearly down. (When signal appears the first time ap - proximately 10 ignitions left) Cable is not connected, ON/OFF switch is in OFF position Ignition not successful, possible air in supplyline REMEDY Replace battery Connect cables Swit to ON. Repeat procedure OBSE[...]

  • Page 24

    www .desatech.com 1 1 1826-04A 24 SERVICE HINTS When Gas Pressure Is T oo Low • pilot will not stay lit • burners will have delayed ignition • propane/LP gas supply may be low Y ou may feel your gas pressure is too low . If so, contact your local propane/LP or natural gas supplier . TECHNICAL SERVICE Y ou may ha ve furthe r q uest ion s a bou[...]

  • Page 25

    www .desatech.com 1 1 1826-04A 25 VF-18N-PJD VF-24N-PJD Btu (V ariable) 21,000/30,000 21,000/39,000 T ype Gas Natural Gas Only Natural Gas Only Ignition Piezo Piezo Manifold Pressure 3.5" W .C. 3.5" W .C. Inlet Gas Pressure (in. of water) Maximum 10.5" W .C. 10.5" W .C. Minimum* 5.0" W .C. 5.0" W .C. Shipping W eight 3[...]

  • Page 26

    www .desatech.com 1 1 1826-04A 26 ILL USTRA TED P ARTS BREAKDOWN MODELS VF-18N-PJD AND VF-18P-PJD 1 2 24 24 24 24 24 24 24 24 7 8 9 10 1 1 12 1 1 13 14 15 16 17 18 3 6 4 19 20 21 22 23 5[...]

  • Page 27

    www .desatech.com 1 1 1826-04A 27 P ARTS LIST This list contains replaceable parts used in your heater . When ordering parts, follow the instructions listed under Replacement Parts on page 24 of this manual. KEY P ART NUMBER NO. VF-18N-PJD VF-18P-PJD DESCRIPTION QTY . 1 ** ** Chassis 1 2 1 12791-01 1 12791-01 Grate 1 3 1 16672-01 1 16672-02 PJD Rem[...]

  • Page 28

    www .desatech.com 1 1 1826-04A 28 ILL USTRA TED P ARTS BREAKDOWN MODELS VF-24N-PJD AND VF-24P-PJD 1 2 3 6 4 25 25 25 25 25 25 7 8 9 10 1 1 1 1 12 13 14 15 16 17 18 19 20 21 22 23 24 5[...]

  • Page 29

    www .desatech.com 1 1 1826-04A 29 P ARTS LIST This list contains replaceable parts used in your heater . When ordering parts, follow the instructions listed under Replacement Parts on page 24 of this manual. KEY P ART NUMBER NO. VF-24N-PJD VF-24P-PJD DESCRIPTION QTY . 1 ** ** Chassis 1 2 1 1 181 1-01 1 1 181 1-01 Grate 1 3 1 16672-01 1 16672-02 PJD[...]

  • Page 30

    www .desatech.com 1 1 1826-04A 30 _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ __________________________________________[...]

  • Page 31

    www .desatech.com 1 1 1826-04A 31 _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ __________________________________________[...]

  • Page 32

    2701 Industrial Drive P .O. Box 90004 Bowling Green, KY 42102-9004 www .desatech.com NOT A UPC WARRANTY INFORMA TION KEEP THIS WARRANTY Model Serial No. Date Purchased Always specify model and serial numbers when communicating with the factory . W e reserve the right to amend these specifications at any time without notice. The only warranty appli[...]