Desa VS18PRA - Manuals - manualsarea.com

Page 2 - DANGER: Carbon monoxide; WARNINGS; WARNING: Any change to

2 104417 UNVENTED PROPANE/LP GAS LOG HEATER DESA INTERNATIONAL SAFETYINFORMATION DANGER: Carbon monoxide poisoning may lead to death! Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning re-semble the flu, with headaches, dizziness,or nausea. If you have these signs, the heatermay not...

Page 3 - OWNER’S MANUAL; Figure 1 - VS24PR Shown; PRODUCT IDENTIFICATION; Continued; UNPACKING; OPERATION; WARNING: Do not remove; PIEZO IGNITION SYSTEM

3 104417 OWNER’S MANUAL Figure 1 - VS24PR Shown PRODUCT IDENTIFICATION LOCAL CODES Install and use heater with care. Follow alllocal codes. In the absence of local codes, usethe latest edition of The National Fuel GasCode ANS Z223.1, also known as NFPA 54*. *Available from: American National Standar...

Page 4 - Unusually Tight Construction; per

4 104417 UNVENTED PROPANE/LP GAS LOG HEATER DESA INTERNATIONAL Today’s homes are built more energy effi-cient than ever. New materials, increasedinsulation, and new construction methodshelp reduce heat loss in homes. Home ownersweather strip and caulk around windows anddoors to keep the cold air out...

Page 5 - DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION; Determining if You Have a Confined or Unconfined Space

5 104417 OWNER’S MANUAL DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install heater plus any adjoining rooms with doorless ...

Page 6 - Figure 2 - Ventilation Air from Inside Building; Ventilation Air From Outdoors; Do not provide openings for; Figure 3 - Ventilation Air from Outdoors

6 104417 UNVENTED PROPANE/LP GAS LOG HEATER DESA INTERNATIONAL AIR FORCOMBUSTION ANDVENTILATION Continued OutletAir VentilatedAttic OutletAir InletAir Inlet Air Ventilated Crawl Space To Crawl Space To Attic Or Remove Door into Adjoining Room,Option 3 Ventilation Grills Into Adjoining Room, Option 2...

Page 7 - LOG SIZING REQUIREMENTS; B. Clearances from the top of the fireplace; CHECK GAS TYPE; INSTALLATION

7 104417 OWNER’S MANUAL LOG SIZING REQUIREMENTS Minimum Firebox Size Log Front Rear* Size Height Depth Width Width 18" 17" 14" 20" 14" 24" 17" 14" 26" 18" 30" 17" 14" 32" 22" INSTALLATION ANDCLEARANCES (Vent-Free Operation Only) WARNING: Ma...

Page 8 - Requirements for Safe Installation; Noncombustible material OK.; If Using Mantel; If using a mantel, proceed to If Using; Installing Damper; If you cannot meet these

8 104417 UNVENTED PROPANE/LP GAS LOG HEATER DESA INTERNATIONAL Heat ResistantMaterial (A) Figure 5 - Heat Resistant Material (Slate, Marble, Tile, etc.) Above Fireplace NoncombustibleMaterial Distance (A) Requirements for Safe Installation 12" or more Noncombustible material OK. Between 8" a...

Page 9 - Figure 6 - Minimum Mantel Clearances Without Using Hood; FLOOR CLEARANCES; A. If installing appliance on the floor level,; MANTEL CLEARANCES; flue damper open

9 104417 OWNER’S MANUAL 14"Min. Combustible Material Noncombustible Material Hearth 5"Min. Combustible Material Figure 8 - Minimum Fireplace ClearancesIf Installed at Floor Level Figure 9 - Minimum Fireplace ClearancesAbove Combustible Flooring Figure 6 - Minimum Mantel Clearances Without Us...

Page 10 - Installation Items Needed; Area of Various Standard; Manufactured Fireplace

10 104417 UNVENTED PROPANE/LP GAS LOG HEATER DESA INTERNATIONAL Installation Items Needed • hardware package (provided with heater) • approved flexible gas hose (not provided) (if allowed by local codes) • sealant (resistant to propane/LP gas, not provided) • electric drill with 3/16" drill bit ...

Page 11 - CAUTION: Never connect; WARNING: Never connect; Figure 14 - Gas Connection

11 104417 OWNER’S MANUAL CONNECTING TO GASSUPPLY NOTICE: A qualified service per-son must connect heater to gassupply. Follow all local codes. CAUTION: Never connect heater directly to the propanesupply. This heater requires anexternal regulator (not supplied).Install the external regulator be-tween...

Page 12 - Test Pressures In Excess Of 1/2 PSIG; opening propane supply tank valve.; Figure 15 - Manual Shutoff Valve; WARNING: Never use an open; Open propane supply tank valve.; CAUTION: Avoid damage to

12 104417 UNVENTED PROPANE/LP GAS LOG HEATER DESA INTERNATIONAL ON POSITI O POSI Open Closed ManualShutoffValve Pressure Testing gas SupplyPiping system Test Pressures In Excess Of 1/2 PSIG 1. Disconnect heater and its individualmanual shutoff valve from gas supplypiping system. Pressures in excess ...

Page 13 - WARNING: Failure to position

13 104417 OWNER’S MANUAL 4 4 Figure 18 - Installing Middle Log (#2) Figure 19 - Installing Rear Log (#3) INSTALLATION Continued CrossoverLog (#4) Hole Peg Cutout Figure 20 - Installing Crossover Log (#4) INSTALLING LOGS Each log is marked with a number. Thesenumbers will help you identify the log wh...

Page 14 - Figure 21 - Control Knob and Ignitor Button Location; WARNING: Burners will come; FOR YOUR SAFETY; WARNING

14 104417 UNVENTED PROPANE/LP GAS LOG HEATER DESA INTERNATIONAL O F F PI LOT O N LO IH AUTOOFFON 5. Wait five (5) minutes to clear out anygas. Then smell for gas, includingnear the floor. If you smell gas,STOP! Follow “B” in the safety in-formation above. If you don’t smellgas, go to the next step. ...

Page 15 - TO TURN OFF GAS TO; Shutting Off Heater; WARNING: Make sure the

15 104417 OWNER’S MANUAL TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. Turn control knob clockwise to the OFF position. 2a. Set selector switch in the OFF position. 2b. If Using Optional Hand-Held Re-mote: Set selector switch in the OFF position to prevent draining battery. Shutting Off Burner...

Page 16 - OPTIONAL REMOTE; Lighting Instructions on; Do not leave the se-; All remote control accessories must; Thermostat Control Operation

16 104417 UNVENTED PROPANE/LP GAS LOG HEATER DESA INTERNATIONAL The log heater willautomatically cycle betweenpilot and the heat setting thathas been selected. Shows Temperature Setting Allows Burners to be TurnedOn and Off with the Hand-Held Remote Unit. O F F PIL O T O N LO IH ONOFFREMOTE OPTIONAL...

Page 17 - Figure 25 - Correct Pilot Flame Pattern; Figure 26 - Incorrect Pilot Flame Pattern; WARNING: If yellow tipping; PILOT FLAME PATTERN; • turn heater off (see To Turn Off Gas to

17 104417 OWNER’S MANUAL Figure 25 - Correct Pilot Flame Pattern Pilot Burner Thermocouple Figure 26 - Incorrect Pilot Flame Pattern WARNING: If yellow tipping occurs, your heater could pro-duce increased levels of carbonmonoxide. If front burner flamepattern shows yellow tipping,follow instructions...

Page 18 - WARNING: Turn off heater; PARTS UNDER WARRANTY; Figure 30 - Pilot Inlet Air Hole

18 104417 UNVENTED PROPANE/LP GAS LOG HEATER DESA INTERNATIONAL CLEANING ANDMAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burners, and cir-culating air passageways ofheater clean. Inspect these areasof heater before each use. Haveheater insp...

Page 19 - POSSIBLE CAUSE; TROUBLESHOOTING; All troubleshooting items are listed in

19 104417 OWNER’S MANUAL WARNING: Turn off and un- plug heater and let cool beforeservicing. Only a qualified ser-vice person should service andrepair heater. CAUTION: Never use a wire, needle, or similar object to cleanODS/pilot. This can damage ODS/pilot unit. POSSIBLE CAUSE 1. Ignitor electrode n...

Page 20 - REMEDY; nance, page 18) or replace burner orifice; OBSERVED PROBLEM

20 104417 UNVENTED PROPANE/LP GAS LOG HEATER DESA INTERNATIONAL REMEDY 1. Contact local propane gas company2. Clean burner(s) (see Cleaning and Main- tenance, page 18) or replace burnerorifice(s) 3. Contact qualified service person4. Replace burner orifice(s)5. Put selector in ON position6. See Wiri...

Page 21 - IMPORTANT

21 104417 OWNER’S MANUAL REMEDY 1. This is common with most heaters. If noise is excessive, contact qualified ser-vice person 1. Open window to ventilate room. Stop us- ing odor causing products while heateris running 2. Refill supply tank3. Locate and correct all leaks (see Check- ing Gas Connectio...

Page 22 - VARIABLE CONTROL

22 104417 UNVENTED PROPANE/LP GAS LOG HEATER DESA INTERNATIONAL ILLUSTRATEDPARTSBREAKDOWN VARIABLE CONTROL CFS18PRA, VS18PRAVS24PRA, VS30PRA 5 6 7 8 9 10 7 7 24 12 11 12 22 13 25 26 5 5 15 18 20 21 28 23 16 19 14 27 17 9-1 9-2 4 3 2 1

Page 23 - PARTS LIST; KEY

23 104417 OWNER’S MANUAL PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructionslisted under Replacement Parts on page 18 of this manual. KEY PART NUMBERS NO. VS18PRA/CFS18PRA VS24PRA VS30PRA DESCRIPTION QTY. 1 104388-01 104388-02 104388-03 F...

Page 24 - SPECIFICATIONS; When Gas Pressure Is Too Low; WIRING DIAGRAM

24 104417 UNVENTED PROPANE/LP GAS LOG HEATER DESA INTERNATIONAL 18" Variable 24" Variable 30" Variable Btu (Variable) 16,000/26,000 20,000/33,000 21,500/36,000 Type Gas Propane/LP Only Propane/LP Only Propane/LP Only Ignition Piezo Piezo Piezo Pressure Manifold 7.9" W.C. 7.9" W.C...

Page 25 - FIREPLACE HOOD; ACCESSORIES

25 104417 OWNER’S MANUAL Purchase these heater accessories from yourlocal dealer. If they can not supply theseaccessories, call DESA International’s PartsDepartment at 1-800-972-7879 for referralinformation. You can also write to the ad-dress listed on the back page of this manual. FIREPLACE HOOD Bl...

Page 26 - KEEP THIS WARRANTY; WARRANTY INFORMATION; Model; LIMITED WARRANTY; NOT A UPC

KEEP THIS WARRANTY WARRANTY INFORMATION Always specify model and serial numbers when communicating with the factory. We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standard written warranty.We make no other warranty, expressed or im...