background image

9

103448

INSTALLATION AND CLEARANCES

42"

16"

INSTALLING

Continued

 WARNING

Maintain the minimum clearances. If you can, provide greater clearances from floor, ceiling,
and adjoining wall.

LOG SIZING REQUIREMENTS

Minimum Firebox Size

Log

Front

Size

Height

Depth

Width

18"

17"

14"

20"

24"

17"

14"

26"

30"

17"

14"

32"

MINIMUM FIREPLACE CLEARANCE

TO COMBUSTIBLE MATERIALS

Log Size

Side Wall

Ceiling

Floor

18" 24" 30" 16"

42"

5"

Carefully follow the instructions below. This will ensure safe installation into a masonry or U.L. listed
manufactured fireplace or an AGA listed vent-free firebox approved for use with these gas log heaters.

Minimum Wall and Ceiling Clearances (see Figure 4)

A. Clearances from the side of the fireplace opening to any combustible wall should not be less than 16

inches.

B. Clearances from the top of the fireplace opening to the ceiling should not be less than 42 inches.

Figure 4 - Minimum Clearance to Wall and Ceiling

Minimum Non-Combustible Material Clearances

If Not Using Mantel

Note: 

If using a mantel, go to page 10. If not using a mantel, follow the information on this page.

You must have non-combustible material(s) above the fireplace opening. Non-combustible materials (such
as slate, marble, tile, etc.) must be at least 1/2 inch thick. With sheet metal, you must have non-combus-
tible material behind it. Non-combustible material must extend at least 8" up (for all models). If non-
combustible material is less than 12", you must install the fireplace hood accessory. See chart and Figure 5
on page 10 for minimum clearances.

Continued

Summary of Contents for VS18PR

Page 1: ...ct installation and operational proce dures For assistance or additional information consult a qualified installer service agency or the gas supplier WARNING These gas log sets are for installa tion in a masonry solid fuel burning fireplace a U L listed manufactured solid fuel burning fireplace or an AGA design certified vent free firebox including LogMate series fireboxes and stoves listed for us...

Page 2: ...ltitudes Propane Gas Propane gas is odorless An odor making agent is added to the gas The odor helps you detect a gas leak However the odor added to the gas can fade Gas may be present even though no odor exists Make certain you read and understand all Warnings Keep this manual for reference It is your guide to safe and proper operation of this heater Safety Information continues on next page SECT...

Page 3: ... that alter burner flame patterns Altered burner patterns can cause sooting 11 Do not use a blower insert heat exchanger insert or other accessory not approved for use with this heater 12 This heater needs fresh outside air ventilation to run properly This heater has an oxygen depletion sensor ODS pilot light safety system The ODS shuts down the heater if not enough fresh air is available See Air ...

Page 4: ...mbly from carton Note Do not pick up heater base assembly by burners This could damage heater Always handle 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 UNPACKING PRODUCT FEATURES Operation This heater is clean burning It requires no outside ventin...

Page 5: ... leaks around doors and windows may provide enough fresh air for combustion and ventila tion 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 outside atmosphere have a continuous water vapor retarder with a rating of one perm 6x10 11 per pa sec m2 or less with...

Page 6: ...ace logs ___________________ Btu Hr Other gas appliances ___________________ Btu Hr Total ___________________ Btu Hr Example Gas water heater 40 000 Btu Hr Vent free heater 33 000 Btu Hr Total 73 000 Btu Hr Do not include direct vent gas appliances Direct vent draws combustion air from the outdoors and vents to the outdoors 4 Compare the maximum Btu Hr the space can support with the actual amount ...

Page 7: ... on the wall connecting the two spaces see options 1 and 2 Figure 2 You can also remove door into adjoining room see option 3 Figure 2 Follow the National Fuel Gas Code NFPA 54 ANSI Z223 1 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts WARNING Rework worksheet adding the space of the adjoining unconfined space The combined spaces must have enough fr...

Page 8: ...ont top or sides of the heater in high traffic areas in windy or drafty areas CAUTION This heater creates warm air currents These currents move heat to wall surfaces next to heater Installing heater next to vinyl or cloth wall coverings or operating heater where impurities in the air such as tobacco smoke exist may discolor walls CHECK GAS TYPE Use only propane LP gas If your gas supply is not pro...

Page 9: ...earances from the side of the fireplace opening to any combustible wall should not be less than 16 inches B Clearances from the top of the fireplace opening to the ceiling should not be less than 42 inches Figure 4 Minimum Clearance to Wall and Ceiling Minimum Non Combustible Material Clearances If Not Using Mantel Note If using a mantel go to page 10 If not using a mantel follow the information o...

Page 10: ... be extended to at least 8 See Between 8 and 12 above WARNING Non combustible material must extend 8 above the fireplace opening INSTALLING Continued Minimum Non Combustible Material Clearances If Using Mantel You must have non combustible material s above the fireplace opening Non combustible materials such as slate marble tile etc must be at least 1 2 inch thick With sheet metal you must have no...

Page 11: ...rances you must raise the mantel to an acceptable height OR remove the mantel Figure 7 Minimum Mantel Clearances When Using Hood Minimum Non Combustible Material Minimum Non Combustible Material Height Distances to Underside of Mantel Top of Fireplace Opening Underside of Mantel Shelf Mantel Shelf 12 A 20 241 2 271 2 30 All minimum distances are in inches 2 1 2 6 8 10 Minimum Non Combustible Mater...

Page 12: ...s Above Combustible Flooring INSTALLING HEATER BASE ASSEMBLY WARNING You must secure this heater to fireplace floor If not heater will move when you adjust controls Moving heater may cause a gas leak WARNING If installing in a sunken fireplace special care is needed You must raise the fireplace floor to allow access to heater control panel This will insure adequate air flow and guard against sooti...

Page 13: ...nt lightly to male threads of gas fitting Connect approved flexible gas hose to inlet side of gas control see Figure 10 2 Position heater base assembly in fireplace 3 Mark screw locations through holes in front panel of base see Figure 11 If installing in a brick bottom fireplace mark screw locations in mortar joint of bricks 4 Remove heater base from fireplace 5 Drill holes at marked locations us...

Page 14: ...e connection Purchase the optional A G A design certified manual shutoff valve from your dealer See Accessories page 30 INSTALLING Continued 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 inches of water If you do not reduce incoming gas pressure heater regulator damage could occur ...

Page 15: ...may not run properly CAUTION Avoid damage to gas control Hold gas control with wrench when connecting it to gas piping and or fittings Tee Joint Pipe Nipple Cap 3 Minimum Sediment Trap Gas Control From External Regulator 11 W C to 14 W C Pressure A G A Design Certified Manual Shutoff Valve With 1 8 NPT Tap Approved Flexible Gas Hose if allowed by local codes Purchase the optional A G A design cert...

Page 16: ...leaks Test Pressures Equal To or Less Than 1 2 PSIG 1 Close manual shutoff valve see Figure 14 2 Pressurize supply piping system by either using compressed air or opening propane supply tank valve 3 Check all joints from propane supply tank to manual shutoff valve see Figure 15 Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak 4 Correct all leaks at once Pressure Tes...

Page 17: ...ck of the rear log 3 against the rear grate prongs Make sure the peg on the log is on top see Figure 18 4 Place the top middle log 4 on the bottom middle log 2 Make sure the pegs of the bottom middle log fit securely in the holes of the top middle log see Figure 19 Bottom Middle Log 2 Metal Post Metal Post Peg Groove Groove Grate Figure 16 Installing Front Logs 1L and 1R Grate Prongs Metal Grate B...

Page 18: ...round the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor 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 neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas suppli...

Page 19: ...ve is fully open 3 Set remote selector switch in the OFF position 5 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information above If you don t smell gas go to the next step 6 Press in and turn control knob counterclockwise to the PILOT position Press in control knob for five 5 seconds see above Note You may be ru...

Page 20: ...gh 6 under Lighting Instructions page 19 2 Depress control knob and light pilot with match 3 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob Now follow step 9 above Ignitor Electrode Pilot Burner 9 Slightly push in and turn control knob counterclockwise to the ON position 10 Wait one minute and switch remote selector switch to the ON position ...

Page 21: ...sing the ON or OFF buttons on the hand held remote control unit In AUTO mode the room temperature is controlled by the thermostat in the hand held remote control unit To increase the room temperature press the top arrow of the TEMP button To lower room the temperature press the bottom arrow to the TEMP button At higher settings the heater will run more IMPORTANT The hand held remote control unit m...

Page 22: ...gure 26 shows an incorrect pilot flame pattern The incorrect pilot flame is not touching the thermocouple This will cause the thermocouple to cool When the thermocouple cools the heater will shut down If pilot flame pattern is incorrect as shown in Figure 26 turn heater off see To Turn Off Gas to Appliance page 20 see Troubleshooting pages 23 through 25 FRONT BURNER FLAME PATTERN Figure 27 shows c...

Page 23: ...r 1 Turn on gas supply or open manual shutoff valve 2 Turn control knob to PILOT position 3 Press in control knob while in PILOT position 4 Continue holding down control knob Repeat igniting operation until air is removed 5 Contact local propane LP gas company 6 Clean ODS pilot see Cleaning and Maintenance above or replace ODS pilot assembly 7 Replace gas control OBSERVED PROBLEM When ignitor butt...

Page 24: ... OBSERVED PROBLEM ODS pilot lights but flame goes out when control knob is released One or both burners do not light after ODS pilot is lit Delayed ignition of one or both burners Burner backfiring during combustion Yellow flame in front burner during burner combustion Slight smoke or odor during initial operation Moisture condensation noticed on windows POSSIBLE CAUSE 1 Control knob not fully pre...

Page 25: ...ble 2 Low line pressure 3 ODS pilot is partially clogged 1 Gas leak See Warning state ment above 2 Gas control defective 1 Foreign matter between control valve and burner 2 Gas leak See Warning state ment above 1 Hand held remote control unit needs to be moved away from heater OBSERVED PROBLEM Heater produces a click ing ticking noise just after burners are lit or shut off Heater produces unwanted...

Page 26: ...on or troubleshooting If so contact DESA International s Technical Service Department at 1 800 DESA LOG 1 800 337 2564 SPECIFICATIONS SERVICE HINTS When gas pressure is too low pilot will not stay lit burners will have delayed ignition heater will not produce specified heat propane LP gas supply may be low When gas quality is bad pilot will not stay lit burners will produce flames and soot heater ...

Page 27: ...ling DESA International have ready your name your address model number of your heater how heater was malfunctioning type of gas used propane or natural gas purchase date Usually we will ask you to return the defective part to the factory Parts Not Under Warranty Contact authorized dealers of this product If they can t supply original replacement part s call DESA International s Parts Department at...

Page 28: ...28 103448 ILLUSTRATED PARTS BREAKDOWN Variable Control Model VS18PR VS24PR VS30PR 6 7 8 9 10 11 8 8 25 13 12 13 23 14 26 27 6 6 16 19 21 22 29 24 17 20 15 28 18 10 1 10 2 4 5 3 2 1R 1L ...

Page 29: ... Decal 1 13 098271 06 098271 06 098271 06 Ignitor Cable 1 14 102445 01 102445 01 102445 01 Piezo Ignitor 1 15 103588 01 103588 01 103588 01 Heat Shield 1 16 103782 01 103782 01 103782 01 Valve Bracket 1 17 M12461 26 M12461 26 M12461 26 Screw 5 18 103781 02 103781 02 103781 02 Gas Control 1 19 097264 02 098264 02 097264 02 Male Fitting 1 20 103784 02 103784 02 103784 02 Flame Adjustment Knob 1 21 1...

Page 30: ... when additional rock is desired 3 lb bag ACCESSORIES AUTO MAN OFF STATUS ON LO HI TEMP RECEIVER AND HAND HELD THERMOSTAT REMOTE CONTROL KIT GHRCT For all models Allows the gas log heater to be operated in a manually or thermostatically controlled mode You can turn the gas log heater on and off without ever leaving the comfort of your easy chair RECEIVER AND HAND HELD REMOTE CONTROL KIT GHRC For a...

Page 31: ..._______________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ ____________________________...

Page 32: ... codes and instructions furnished with the unit This warranty does not apply to parts that are not in original condition because of normal wear and tear or parts that fail or become damaged as a result of misuse accidents lack of proper maintenance or defects caused by improper installation Travel diagnostic cost labor transportation and any and all such other costs related to repairing a defectiv...

Reviews: