Desa "A" Models Owner'S Operation And Installation Manual Download

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www.desatech.com

112471-01B

SPECIFICATIONS

AUTO

OFF

Thermopile

E18P-A, VS18P-A, E18PR-A,
VS18PR-A

• Rating (Variable): 16,000/26,000 Btu/Hr

• Gas Type: Propane/LP

• Ignition: Piezo

• Manifold Pressure: 7.9" W.C.

• Inlet Gas Pressure (in. of water):

Maximum - 14", Minimum* - 11"

E24P-A, VS24P-A, E24PR-A,
VS24PR-A

• Rating (Variable): 20,000/33,000 Btu/Hr

• Gas Type: Propane/LP

• Ignition: Piezo

• Manifold Pressure: 7.9" W.C.

• Inlet Gas Pressure (in. of water):

Maximum - 14", Minimum* - 11"

VS30P-A, E30PR-A, VS30PR-A

• Rating (Variable): 21,500/36,000 Btu/Hr

• Gas Type: Propane/LP

• Ignition: Piezo

• Manifold Pressure: 7.9" W.C.

• Inlet Gas Pressure (in. of water):

Maximum - 14", Minimum* - 11"

* For purpose of input adjustment

WIRING DIAGRAM

(Remote-Ready Models Only)

E18N-A, VS18N-A, E18NR-A,
VS18NR-A

• Rating (Variable): 16,000/26,000 Btu/Hr

• Gas Type: Natural

• Ignition: Piezo

• Manifold Pressure: 3.4" W.C.

• Inlet Gas Pressure (in. of water):

Maximum - 10.5", Minimum* - 5"

E24N-A, VS24N-A, E24NR-A,
VS24NR-A

• Rating (Variable): 20,000/33,000 Btu/Hr

• Gas Type: Natural

• Ignition: Piezo

• Manifold Pressure: 3.4" W.C.

• Inlet Gas Pressure (in. of water):

Maximum - 10.5", Minimum* - 5"

VS30N-A, E30NR-A, VS30NR-A

• Rating (Variable): 21,500/36,000 Btu/Hr

• Gas Type: Natural

• Ignition: Piezo

• Manifold Pressure: 3.4" W.C.

• Inlet Gas Pressure (in. of water):

Maximum - 10.5", Minimum* - 5"

Summary of Contents for "A" Models

Page 1: ...ce Do not touch any electrical switch do not use any phone 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 must be performed by a quali fied installer service agency or the gas supplier UNVENTED VENT FREE GAS LOG HEATER OWNER S OPERATION AND INSTALLATI...

Page 2: ... room in which it is installed Provi sions for adequate combustion and ventilation air must beprovided RefertoAirforCombustionandVentilation section on page 6 of this manual This appliance may be installed in an aftermarket per manently located manufactured mobile home where not prohibited by local codes This appliance is only for use with the type of gas indi cated on the rating plate This applia...

Page 3: ...ings Keep this manual for reference It is your guide to safe and proper operation of this log set WARNING Any change to this heater or its controls can be dangerous WARNING Do not use a blower insert heat exchanger insert orotheraccessorynotap proved for use with this heater WARNING Donotallowfans toblowdirectlyintothefireplace Avoidanydraftsthatalterburner flame patterns Ceiling fans can create d...

Page 4: ...tem The ODS shuts down the heater if enough fresh air is not available SeeAir for Combustion and Ventilation pages 4 through 6 If heater keeps shutting off see Troubleshooting page 26 11 Do not run heater where flammable liquids or vapors are used or stored under dusty conditions 12 Do not use this heater to cook food or burn paper or other objects 13 Do not use heater if any part has been exposed...

Page 5: ...andle base assembly by grate 2 Remove all protective packaging applied to logs and heater for shipment 3 Check all items for any shipping damage If damaged promptly inform dealer where you bought heater Product Features Operation This heater is clean burning It requires no outside venting There is no heat loss out a vent or up a chimney Heat is generated by both realistic flames and glowing coals ...

Page 6: ...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 out side atmosphere have a continuous water vapor retarder with a rating of one perm 6 x 10 11 kg per pa sec m2...

Page 7: ..._ Btu Hr maximum the space can support ____________ Btu Hr actual amount of Btu Hr used Example 51 200 Btu Hr maximum the space can support 73 000 Btu Hr actual amount of Btu Hr used The space in the above example is a confined space because the actual Btu Hr used is more than the maximum Btu Hr the space can support You must provide additional fresh air Your options are as follows A Rework worksh...

Page 8: ...y heat source If you have a centralheatingsystem youmay run system s circulating blower whileusingheater Thiswillhelp circulatetheheatthroughoutthe house In the event of a power outage you can use this heater as your primary heat source WARNING A qualified ser vice person must install heater Follow all local codes NOTICE State or local codes may only allow operation of this appliancein a vented co...

Page 9: ...orrect gas type natural or propane LP for your unit If your gas supply is not correct do not install fireplace Call dealer where you bought fireplace for proper type fireplace WARNING This appliance is equipped for natural or pro pane LP gas Field conversion is not permitted INSTALLATION AND CLEARANCES For Vent Free Operation WARNING Maintain the minimum clearances If you can provide greater clear...

Page 10: ...e tile etc must be at least 1 2 thick With sheet metal you must have noncombustible materialbehindit Noncombustiblematerialmustex tendatleast8 up forallmodels Ifnoncombustible materialislessthan12 youmustinstallthefireplace hood accessory 24 and 30 Models Only Even if noncombustible material is more than 12 you may need the hood accessory to deflect heat away from your mantel shelf See Figures 5 a...

Page 11: ...f the national product standard Follow all minimum clearances shown in this manual Installation Continued Minimum Noncombustible Material 8 Min 12 15 18 All minimum distances are in inches 20 2 1 2 6 8 10 12 Distances to Underside of Mantel Hood GA6050 GA6052 or GA6053 Top of Fireplace Opening Underside of Mantel Shelf Log Sets 18 24 Models Figure 7 Minimum Mantel Clearances When Using Hood Notice...

Page 12: ...opening you must provide Attach damper clamp so the minimum permanent flue opening will be maintained at all times Installation Continued Figure 10 Attaching Damper Clamp Damper Damper Clamp Damper Manufactured Fireplace Masonry Fireplace Damper Clamp Damper INSTALLING HEATER BASE ASSEMBLY WARNING You must secure this heater to fireplace floor If not heater will move when you adjust controls Movin...

Page 13: ...les in mount ing brackets see Figure 13 For Remote Ready Models mark screw locations through holes in front panel of base see Figure 14 If installing in a brick bottom fireplace mark screw locations in mortar joint of bricks 5 Remove heater base from fireplace 6 Remove mounting brackets from heater base Variable Manually Controlled Models Only 7 Drill holes at marked locations using 3 16 drill bit...

Page 14: ...r See Accessories page 31 For propane LP units the installer must supply an external regulator The external regulator will reduce incoming gas pressure You must reduce incoming gas pressure to between 11 and 14 of water If you do not reduce incoming gas pres sure heater regulator damage could occur Install external regulator with the vent pointing down as shown in Figure 15 Pointing the vent down ...

Page 15: ...ustment Figure 17 Gas Connection Remote Ready Models Only Gas Control Tee Pipe Cap Joint Nipple 3 Min Gas Regulator Propane LP From External Regulator 11 W C to 14 W C Pressure CSA Design Certified Equipment Shutoff Valve With 1 8 NPT Tap Approved Flexible Gas Hose if allowed by local codes Sediment Trap 3 Min Sediment Trap Propane LP From External Regulator 11 W C to 14 W C Pressure Natural From ...

Page 16: ...l joints from gas meter to equipment shutoff valve for natural gas or propane LP supply to equipment shutoff valve for propane LP see Figure 19 Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak 4 Correct all leaks at once Pressure Testing Heater Gas Connections 1 Open equipment shutoff valve see Figure 18 2 Open main gas valve located on or near gas meter for natura...

Page 17: ...ddle log must be on top see Figure 22 3 Place front log 3 on top of the grate Make sure the notches in the bottom of the log fit over the grate prongs see Figure 23 4 Place the top left log 4 and left crossover log 5 on the center log and the back log as shown in Figure 24 The left crossover log is for 30 log sets only Make sure the pegs on the center log are in the holes in the bottom of the top ...

Page 18: ...e Do not touch any electric 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 C Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified serv...

Page 19: ...rson or gas supplier for repairs Until repairs are made light pilot with match To light pilot with match see Manual Lighting Procedure page 20 7 Keep control knob pressed in for30 seconds after lighting pilot After 30 seconds release control knob If control knob does not pop out when released contact a qualified service person or gas supplier for repairs Note If pilot goes out repeat steps 3 throu...

Page 20: ...nician 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 control which has been under water LIGHTING INSTRUCTIONS WARNING If fireplace has glass doors never operate this heater with ...

Page 21: ...person or gas supplier for repairs Note If pilot goes out repeat steps 4 through 8 9 Slightly push in and turn control knob coun terclockwise to the ON position OPERATING HEATER Continued 10 Wait one minute and switch selector switch to the ON position to light burners Note AUTO is only functional when using GWMT1 or GWMS2 optional accessories 11 Set flame adjustment knob to any level between HI a...

Page 22: ...OCEDURE 1 Follow steps 1 through 6 under Lighting Instructions page 20 2 Depress control knob and light pilot with match 3 Keep control knob pressed in for30 seconds after lighting pilot After 30 seconds release control knob Now follow steps 9 through 11 Lighting Instructions page 21 Optional Hand Held REMOTE OPERATION Note All remote control accessories must be purchased separately see Accessorie...

Page 23: ...n the MANU mode 2 The receiver continuously receives signals from the hand held remote to control the room temperature If the hand held remote is misplaced obstructed or for any reason cannot transmit to the receiver the receiver will shut off the fireplace after 8 minutes Key Pad Lock Feature This feature allows the user to lock unlock the keypad on the hand held remote in the MANU or AUTO mode t...

Page 24: ...d yearly by a qualified service person Heater may need more frequent cleaning due to excessive lint fromcarpeting pethair bedding material etc WARNING Failure to keep the primary air opening s of theburner s cleanmayresultin sooting and property damage Cleaning Burner Injector Holder and Pilot Air Inlet Hole The primary air inlet holes allow the proper amount of air to mix with the gas This provid...

Page 25: ...cement Parts Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty Parts Under Warranty Contact authorized dealers of this product If they can t supply original replacement part s call DESA s Technical Service Department at 1 866 672 6040 When calling DESA have ready your name your address model and serial numbers of your heater how hea...

Page 26: ...d 2 Control knob not in PILOT position 3 Control knob not pressed in while in PILOT position 4 Air in gas lines when in stalled 5 Depleted gas supply propane LP only 6 ODS pilot is clogged 7 Gas regulator setting is not correct REMEDY 1 Reconnect ignitor cable 2 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 3 Tighten nut holding piezo ig nitortobasepaneloflogset Nut i...

Page 27: ...essure is too low 2 Burner orifice s clogged 3 Mislocated crossover tube 1 Burner orifice is clogged or damaged 2 Damaged burner 3 Gas regulator defective REMEDY 1 Press in control knob fully 2 After ODS pilot lights keep control knob pressed in 30 seconds 3 Wait one minute for safety in terlock system to reset Repeat ignition operation 4 Fully open equipment shutoff valve 5 A Contact local natura...

Page 28: ...nto white powder residue 1 Not enough combustion ven tilation air 1 Battery is not installed Bat tery power is low 1 Metal expanding while heating or contracting while cooling REMEDY 1 Check burner s for dirt and debris If found clean burner s see Cleaning and Maintenance page 24 2 Replace gas regulator 1 Problem will stop after a few hours of operation 1 Turn control knob to LO position and let w...

Page 29: ...ak See Warning statement at top of page 2 Control valve or gas control defective 1 Foreign matter between con trol valve and burner 2 Gas leak See Warning statement at top of page 1 Hand held remote control is too close to heater Remote Ready Models Only REMEDY 1 Open window to ventilate room Stop using odor caus ing products while heater is running 2 Refill supply tank propane LP only 3 Locate an...

Page 30: ...opane LP Ignition Piezo Manifold Pressure 7 9 W C Inlet Gas Pressure in of water Maximum 14 Minimum 11 For purpose of input adjustment Wiring Diagram Remote Ready Models Only E18N A VS18N A E18NR A VS18NR A Rating Variable 16 000 26 000 Btu Hr Gas Type Natural Ignition Piezo Manifold Pressure 3 4 W C Inlet Gas Pressure in of water Maximum 10 5 Minimum 5 E24N A VS24N A E24NR A VS24NR A Rating Varia...

Page 31: ...eady Models The desired com fort setting can be selected on the wall thermostat and the log heater will automatically cycle from pilot to the heat setting selected WALL MOUNT ON OFF SWITCH GWMS2 Not Shown Forall Remote Ready Models Allows the gas log heater to be turned on and off with a wall switch VENT FREE LOGMATE FIREBOXES Not Shown Availablein32 36 and42 models Circulating fireboxes feature l...

Page 32: ...iable Manually Controlled split oak Models VS18N A E18N A VS18P A E18P A VS24N A E24N A VS24P A E24P A VS30N A and VS30P A 14 16 15 22 21 17 17 23 24 2 3 9 6 4 24 24 21 25 7 8 9 11 18 19 23 1 23 2 5 20 3 1 3 2 10 12 13 30 Models Only 26 1 2 1 1 1 3 1 4 1 5 1 6 1 7 ...

Page 33: ...nlet Tube 1 11 098354 01 098354 01 098354 01 098354 01 098354 01 098354 01 Control Knob 1 12 098462 03 098462 03 098462 03 098462 03 098462 03 098462 03 Control Rod 1 13 098325 01 098325 01 098325 01 098325 01 098325 01 098325 01 Roll Pin 1 14 098508 01 098508 01 098508 01 098508 01 098508 01 098508 01 Valve Retainer Nut 1 15 102568 01 102568 02 102568 01 102568 02 102568 01 102568 02 Gas Valve 1 ...

Page 34: ... 1 4 1 7 19 9 10 17 16 11 18 14 15 13 20 27 12 24 22 2 25 26 23 2 7 5 7 6 1 6 2 4 6 2 3 21 7 8 28 29 28 ILLUSTRATED PARTS BREAKDOWN Remote Ready Variable Control VS18NR A E18NR A VS18PR A E18PR A VS24NR A E24NR A VS24PR A E24PR A VS30NR A E30NR A VS30PR A and E30PR A ...

Page 35: ...445 01 102445 01 102445 01 Piezo Ignitor 14261 1 11 103588 01 103588 01 103588 01 103588 01 103588 01 103588 01 Heat Shield 1 12 103782 01 103782 01 103782 01 103782 01 103782 01 103782 01 Valve Bracket 1 13 M12461 26 M12461 26 M12461 26 M12461 26 M12461 26 M12461 26 Screw 5 14 103781 01 103781 02 103781 01 103781 02 103781 01 103781 02 Gas Control 1 15 098264 02 098264 02 098264 02 098264 02 0982...

Page 36: ...l Travel diagnostic cost labor transportation and any and all such other costs related to repairing a defective heater will be the responsibility of the owner TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE OF THE PRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND LIMITS THE DURATION OF ANYAND ALL IMPLIED WARRANTIES INCLUDING WARRANTIE...

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