Desa VF-18P-PJD - Manuals - manualsarea.com

Page 2 - Air for Combustion and Ventilation; section on page 5 of this manual.; TABLE OF CONTENTS

www.desatech.com 111826-04A 2 WARNING: 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, servic...

Page 3 - SAFETY INFORMATION; Carbon Monoxide Poisoning:; Get fresh

www.desatech.com 111826-04A 3 WARNING: Do not allow fans to blow directly into the heater. Avoid any drafts that alter burner ﬂame patterns. Ceiling fans can create drafts that alter burner ﬂame patterns. Altered burner patterns can cause sooting. WARNING: Do not place log scraps or lava rocks on bu...

Page 4 - Continued; State of Massachusetts:; PRODUCT; Figure 1 - Product Identification

www.desatech.com 111826-04A 4 1. This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases. 2. Do not place propane/LP supply tank(s) in- side any structure. Locate propane/LP supply tank(s) outdoors (propane/LP unit...

Page 5 - LOCAL CODES; The National Fuel Gas Code ANSI; UNPACKING; OPERATION; AIR FOR COMBUSTION; National Fuel; Unusually Tight Construction

www.desatech.com 111826-04A 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/NFPA 54 *. *Available from: American National Standards Institute, Inc. 1430 Broadway New York, NY 100...

Page 6 - Ventilation Air From Outdoors; Confined and Unconfined Space; Ventilation

www.desatech.com 111826-04A 6 Unusually tight construction is deﬁned as construction where:a. walls and ceilings exposed to the out- side atmosphere have a continuous water vapor retarder with a rating of one perm (6 x 10 -11 kg per pa-sec-m 2 ) or less with openings gasketed or sealed and b. weathe...

Page 7 - If the actual Btu/Hr used is less than the maximum; National Fuel Gas Code,; VENTILATION AIR; Ventilation Air From Inside Building; National Fuel Gas; Section 5.3, Air for Combustion and Ventilation

www.desatech.com 111826-04A 7 AIR FOR COMBUSTION AND VENTILATION Continued If the actual Btu/Hr used is less than the maximum Btu/Hr the space can support, the space is an uncon- ﬁned space. You will need no additional fresh air ventilation. WARNING: If the area in which the heater may be oper- ated...

Page 8 - INSTALLATION; Air; CHECK GAS TYPE

www.desatech.com 111826-04A 8 INSTALLATION 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 heating system, you may run system’s circulating blower whi...

Page 9 - Figure 4 - Minimum Clearance for

www.desatech.com 111826-04A 9 INSTALLATION AND CLEARANCES FOR VENT-FREE OPERATION WARNING: Maintain the minimum clearances. If you can, provide greater clearances from ﬂoor, ceiling and adjoining wall. INSTALLATION Continued Carefully follow the instructions below. This will ensure safe installation...

Page 10 - Figure 6 - Minimum Mantel Clearances Without Using Hood; Requirements for; Noncombustible material OK.

www.desatech.com 111826-04A 10 Figure 6 - Minimum Mantel Clearances Without Using Hood Minimum Non-Combustible Material Minimum Non-Combustible Material Height Distances to Underside ofMantel Top of FireplaceOpening Underside ofMantel Shelf Mantel Shelf 12" ( A ) 18" 20" 22" 24" ...

Page 11 - MANTEL CLEARANCES; Determining Minimum Mantel Clearance; FLOOR CLEARANCES; Figure 8 - Minimum Fireplace Clearances; INSTALLING HEATER ASSEMBLY

www.desatech.com 111826-04A 11 MANTEL CLEARANCES In addition to meeting noncombustible material clearances, you must also meet required clearances 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. Determinin...

Page 12 - CONNECTING TO GAS SUPPLY; Fitting; Accessories; Installation Items Needed; Connecting to

www.desatech.com 111826-04A 12 CONNECTING TO GAS SUPPLY WARNING: This appliance requires a 1/2" NPT (National Pipe Thread) inlet connection to the pressure regulator. WARNING: A qualiﬁed service person must connect heater to gas supply. Follow all local codes. CAUTION: Never connect propane/LP ﬁ...

Page 13 - Natural Gas; From Gas Meter; CHECKING GAS CONNECTIONS; Connecting to Gas Supply

www.desatech.com 111826-04A 13 We recommend that you install a sediment trap in supply line as shown in Figure 12. Locate sediment 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 likely to freeze. A...

Page 14 - Operating Heater; Figure 15 - Checking Gas Joints for; OPERATING HEATER; FOR YOUR SAFETY; low these instructions exactly,

www.desatech.com 111826-04A 14 INSTALLATION Continued PRESSURE TESTING HEATER GAS CONNECTIONS 1. Open equipment shutoff valve (see Figure 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 heater is in the OFF po...

Page 15 - Troubleshooting; FUNCTIONS OF; Battery

www.desatech.com 111826-04A 15 WHAT 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. • Immediately call your gas supplier from a neighborʼs phone. Follow the gas supplierʼs instructions. • If you cannot reach your ...

Page 16 - Identifying Error Signals; Changing Mode of Operation

www.desatech.com 111826-04A 16 Changing The Code • The control is radio frequency operated. A code (chosen from among 4,000 available codes) is preset for all valves, but can be changed if required (15 additional codes available). Change DIP switch position. (The DIP switch is located inside the han...

Page 17 - Set Timer; TO TURN GAS OFF; Shutting Off Heater; MANUAL LIGHTING; WARNING: Manual lighting; Lighting with a Match; Wiring Diagram

www.desatech.com 111826-04A 17 OPERATING HEATER Continued Set Timer • Switch to timer mode by pressing the SET button brieﬂy. • Press the SET button until P1 ﬂashes. • Set the hours with and minutes with . • Press SET brieﬂy for the next burner cycle time. • If all 4 times are set, pressing the OFF ...

Page 18 - INSPECTING BURNERS; PILOT FLAME PATTERN; Thermocouple; BURNER FLAME PATTERN; NOTICE: Do not mistake orange; Figure 21 - Correct Burner Flame Pattern

www.desatech.com 111826-04A 18 10. Continue holding down metal core for about 10 seconds and then release the metal core. Pilot should stay lit. If not, repeat steps one through 4, page 17. 11. Turn MAN-Knob to ON position - main gas ﬂows. 12. Turn Motor-knob to adjust ﬂame. Knob has a slipping clut...

Page 19 - Figure 24 - Injector Holder on Front; Burner Tube

www.desatech.com 111826-04A 19 CLEANING AND MAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep con- trol areas, burner and circulating air passageways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a qualiﬁed ser...

Page 20 - TROUBLESHOOTING; WARNING: Turn off heater and let cool before servicing. Only a; POSSIBLE CAUSE

www.desatech.com 111826-04A 20 TROUBLESHOOTING WARNING: Turn 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 it...

Page 21 - OBSERVED PROBLEM

www.desatech.com 111826-04A 21 TROUBLESHOOTING Continued OBSERVED PROBLEM Burner backﬁring during com- bustion Orange ﬂame in burner during burner combustion Slight smoke or odor during initial operation (ﬁrst hour) Heater produces a whistling noise when burner is lit White powder residue forming wi...

Page 22 - IMPORTANT; REMEDY

www.desatech.com 111826-04A 22 TROUBLESHOOTING Continued 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 s...

Page 23 - WIRING DIAGRAM

www.desatech.com 111826-04A 23 TROUBLESHOOTING 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 Conne...

Page 24 - SERVICE HINTS; When Gas Pressure Is Too Low; TECHNICAL SERVICE; PARTS UNDER WARRANTY

www.desatech.com 111826-04A 24 SERVICE HINTS When Gas Pressure Is Too Low • pilot will not stay lit• burners will have delayed ignition• propane/LP gas supply may be lowYou may feel your gas pressure is too low. If so, contact your local propane/LP or natural gas supplier. TECHNICAL SERVICE You may ...

Page 25 - FIREPLACE HOOD

www.desatech.com 111826-04A 25 VF-18N-PJD VF-24N-PJD Btu (Variable) 21,000/30,000 21,000/39,000 Type 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....

Page 26 - ILLUSTRATED PARTS BREAKDOWN

www.desatech.com 111826-04A 26 ILLUSTRATED PARTS BREAKDOWN MODELS VF-18N-PJD AND VF-18P-PJD 1 2 24 24 24 24 24 24 24 24 7 8 9 10 11 12 11 13 14 15 16 17 18 3 6 4 19 20 21 2223 5

Page 27 - PARTS LIST; listed under; KEY

www.desatech.com 111826-04A 27 PARTS 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 PART NUMBER NO. VF-18N-PJD VF-18P-PJD DESCRIPTION QTY. 1 ** ** Chassis 1 2 112791-01 112791-0...

Page 30 - NOTES

www.desatech.com 111826-04A 30 _____________________________________________________ _______________________________________________________________________________________________________________________________________________________________________________________________________________________...

Page 32 - NOT A UPC; WARRANTY INFORMATION; KEEP THIS WARRANTY; Date Purchased; LIMITED WARRANTY

2701 Industrial DriveP.O. Box 90004Bowling Green, KY 42102-9004www.desatech.com NOT A UPC WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No. Date Purchased Always specify model and serial numbers when communicating with the factory.We reserve the right to amend these speciﬁcations at any time ...