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Desa 102783-01B, Owner'S Operation And Installation Manual

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Desa 102783-01B Owner'S Operation And Installation Manual Download Page 28

28

102783

TECHNICAL

SERVICE

You may have further questions about installation, operation, or troubleshooting.
If so, contact DESA International’s Technical Service Department at
1-800-DESA LOG (1-800-337-2564).

SPECIFICATIONS

18" Variable

24" Variable

Manually-

Manually-

Controlled

Controlled

Btu (Variable)

16,000/27,000

16,000/31,500

Type Gas

Propane Only

Propane Only

Ignition

Piezo

Piezo

Pressure Manifold

8.0" W.C.

8.0" W.C.

Inlet Gas
Pressure (in. of water)

Maximum

14"

14"

Minimum*

11"

11"

* For purpose of input adjustment

Shipping Weight

27 lbs.

29 lbs.

SERVICE

HINTS

When gas pressure is too low

• pilot will not stay lit
• burners will have delayed ignition
• heater will not produce specified heat

When gas quality is bad

• pilot will not stay lit
• burners will produce flames and soot
• heater will backfire when lit

You may feel your gas pressure is too low or gas quality is bad. If so, contact your
local natural gas supplier.

Summary of Contents for 102783-01B

Page 1: ... a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas sup plier call the fire department Installation and service must be per formed by a qualified installer service agency or the gas supplier WARNING Improperinstallation adjust ment alteration service ormaintenance can cause injury or property damage Refer to this manual for correct installa tion and operational ...

Page 2: ...itudes 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 Safety...

Page 3: ...ever appear to smoke turn off heater and call a qualified service person Note During initial operation slight smoking could occur due to log curing and heater burning manufacturing residues 10 Do not allow fans to blow directly into the fireplace Avoid any drafts that alter burner flame patterns Ceiling fans can create drafts that alter burner flame patterns Altered burner patterns can cause sooti...

Page 4: ...terymarch Park Quincy MA 02269 1 Remove logs and heater base assembly from carton Note Do not pick up heater base assembly by the burner 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 IDENTIFIC...

Page 5: ... This heater shall not be installed in a confined space unless provisions are provided for adequate combustion and ventilation air Read the following instructions to insure proper fresh air for this and other fuel burning appliances in your home Today s homes are built more energy efficient than ever New materials increased insulation and new construction methods help reduce heat loss in homes Hom...

Page 6: ...ts around window and door frames between sole plates and floors between wall ceiling joints between wall panels at penetrations for plumbing electrical and gas lines and at other openings If your home meets all of the three criteria above you must provide addi tional fresh air See Ventilation Air From Outdoors page 8 If your home does not meet all of the three criteria above proceed to page 6 Unco...

Page 7: ...___________________ Btu Hr Gas fireplace logs ___________________ Btu Hr Other gas appliances ___________________ Btu Hr Total ___________________ Btu Hr Example Gas water heater 40 000 Btu Hr Vent free heater 31 500 Btu Hr Total 71 500 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 spac...

Page 8: ... of ventilation grills or ducts WARNING Rework worksheet adding the space of the adjoining unconfined space The combined spaces must have enough fresh air to supply all appliances in both spaces Figure 3 Ventilation Air from Outdoors Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts You must provide two perma nent openings one within 12 of the ceiling and o...

Page 9: ...othing or other flammable objects are less than 36 inches from the front top or sides of the heater in high traffic areas in windy or drafty areas WARNING ICON G 001 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...

Page 10: ... Width 18 17 14 20 18 24 17 14 26 22 MINIMUM FIREPLACE CLEARANCE TO COMBUSTIBLE MATERIALS Log Size Side Wall Ceiling Floor 18 and 24 16 42 5 Carefully follow the instructions below This will ensure safe installation into a masonry or U L listed manufactured fireplace Minimum Wall and Ceiling Clearances see Figure 4 A Clearances from the side of the fireplace opening to any combustible wall should ...

Page 11: ...ble material must extend at least 8 up for all models If non combus tible material is less than 12 you must install the fireplace hood accessory 24 model only See chart below and Figure 4 page 10 for minimum clearances IMPORTANT If you cannot meet these minimum clearances you must operate heater with chimney flue damper open Go to Installing Damper Clamp Accessory for Vented Operation page 14 Non ...

Page 12: ...ation page 14 Figure 6 Minimum Mantel Clearances Without Using Hood If above minimum clearances are not met you must have a hood Follow minimum clearances shown in Figure 7 on page 13 when using hood Non Combustible Requirements for Material Distance A Safe Installation 12 or more Non combustible material OK Between 8 and 12 24 Model Install fireplace hood accessory GA6050 or GA6052 see Accessorie...

Page 13: ...nces Above Combustible Flooring If your installation does not meet the above minimum clearances you must operate the logs only with the flue damper open OR raise the mantel to an acceptable height OR remove the mantel Figure 7 Minimum Mantel Clearances When Using Hood Continued Minimum Non Combustible Material 8 Min 12 15 18 All minimum distances are in inches Log Sets 18 and 24 Models 20 2 1 2 6 ...

Page 14: ...s number 1 or 2 above apply to you you must permanently open chimney flue damper You must install the damper clamp accessory to order see Accessories page 29 This will insure vented operation see Figure 10 The damper clamp will keep damper open Installation instructions are included with clamp accessory See chart below for minimum permanent flue opening you must provide Attach damper clamp so the ...

Page 15: ...ater is not level heater will not work properly Installation Items Needed hardware package provided with heater approved flexible gas hose not provided if allowed by local codes sealant resistant to LP gas not provided electric drill with 3 16 drill bit metal or masonry as applicable 1 Apply pipe joint sealant lightly to male threads of the fitting to be threaded into gas regulator Connect approve...

Page 16: ...eded Before installing heater make sure you have the items listed below external regulator supplied by installer see page 16 piping check local codes sealant resistant to LP gas manual shutoff valve test gauge connection sediment trap tee joint pipe wrench An A G A design certified manual shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Purchase the optional A G...

Page 17: ...e hook up NPT tap must be upstream from heater see Figure 14 page 18 Apply pipe joint sealant lightly to male threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged heater valves WARNING ICON G 001 CAUTION Use only new black iron or steel pipe Internally tinned copper tubing may be used in certain areas Check your local codes Use pipe of 1 2 di...

Page 18: ...Testing Gas Supply Piping System Test Pressures In Excess Of 1 2 PSIG 1 Disconnect heater and its individual manual shutoff valve from gas supply piping system Pressures in excess of 1 2 psig will damage heater regulator 2 Cap off open end of gas pipe where manual shutoff valve was connected WARNING ICON G 001 WARNING Never use an open flame to check for a leak Apply a mixture of liquid soap and w...

Page 19: ...utoff 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 Testing Heater Gas Connections 1 Open manual shutoff valve see Figure 15 2 Open propane supply tank valve 3 Make sure control knob of heater is in the OFF position 4 Check all joints from manual shutoff valve to control valve see Figure 16 Apply mixture of...

Page 20: ... log 1 Slide these pegs into the holes in the grate base behind the burner see Figure 17 2 Locate the notches on the back of the front log 2 Slide these notches over the tabs of the grate base see Figure 18 3 Locate the notches in the bottom of the crossover log 3 Place the crossover log on top of the back log and front log Make sure the notches of the crossover log line up with rectangular knobs ...

Page 21: ...ct the appliance and to replace any part of the control system and any gas control which has been under water PILOT OFF LO HI Control Knob Ignitor Button Figure 20 Control Knob and Ignitor Button Location LIGHTING INSTRUCTIONS WARNING ICON G 001 WARNING If fireplace has glass doors never operate this heater with glass doors closed If you operate heater with doors closed heat buildup inside firepla...

Page 22: ...u may be running this heater for the first time after hooking up to gas supply If so the control knob may need to be pressed in for 30 seconds This will allow air to bleed from the gas system If control knob does not pop out when released contact a qualified service person or gas supplier for repairs 6 With control knob pressed in press and release ignitor button This will light pilot The pilot is...

Page 23: ...nob 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 8 pages 22 and 23 INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often PILOT FLAME PATTERN Figure 22 shows a correct pilot flame pattern Figure 23 shows an incorrect pilot flame pattern The incorrect pilot flame is not touch...

Page 24: ... or similar object to clean ODS pilot This can damage ODS pilot unit POSSIBLE CAUSE 1 Ignitor electrode not connected to ignitor cable 2 Ignitor cable pinched or wet 3 Piezo ignitor nut is loose 4 Broken ignitor cable 5 Bad piezo ignitor 6 Ignitor electrode posi tioned wrong 7 Ignitor electrode broken REMEDY 1 Reconnect ignitor cable 2 Free ignitor cable if pinched by any metal or tubing Keep igni...

Page 25: ...4 turn more 7 Replace thermocouple 8 Replace control valve OBSERVED PROBLEM When ignitor button is pressed there is spark at ODS pilot but no ignition ODS pilot lights but flame goes out when control knob is released POSSIBLE CAUSE 1 Gas supply turned off or manual shutoff valve closed 2 Control knob not in PILOT position 3 Control knob not pressed in while in PILOT position 4 Air in gas lines whe...

Page 26: ...2 Replace gas regulator 3 Problem will stop after a few hours of opera tion 1 Turn control knob to LO position and let warm up for a minute 2 Operate burner until air is removed from line Have gas line checked by local natural gas company 3 Observe minimum installation clearances see pages 10 13 4 Clean burners see Cleaning and Mainte nance page 24 or replace burner orifice 1 Refer to Air for Com ...

Page 27: ...t enough fresh air is available 2 Low line pressure 3 ODS pilot is partially clogged 1 Gas leak See Warning statement at top of page 2 Control valve defective 1 Foreign matter between control valve and burner 2 Gas leak See Warning statement at top of page OBSERVED PROBLEM Heater produces a clicking ticking noise just after burner is lit or shut off Heater produces unwanted odors Heater shuts off ...

Page 28: ...pane Only Ignition Piezo Piezo Pressure Manifold 8 0 W C 8 0 W C Inlet Gas Pressure in of water Maximum 14 14 Minimum 11 11 For purpose of input adjustment Shipping Weight 27 lbs 29 lbs SERVICE HINTS When gas pressure is too low pilot will not stay lit burners will have delayed ignition heater will not produce specified heat When gas quality is bad pilot will not stay lit burners will produce flam...

Page 29: ...72 7879 for referral information When calling DESA International have ready model number of your heater the replacement part number ACCESSORIES Purchase these heater accessories from your local dealer If they can not supply these accessories call DESA International s Parts Department at 1 800 972 7879 for referral information You can also write to the address listed on the back page of this manual...

Page 30: ...30 102783 ILLUSTRATED PARTS BREAKDOWN 4 1 2 3 12 22 10 11 21 7 22 5 6 8 9 15 14 16 19 23 18 13 19 17 20 2 20 1 20 18 ...

Page 31: ... Valve 1 14 098508 01 098508 01 098508 01 098508 01 Valve Retainer Nut 1 15 098354 01 098354 01 098354 01 098354 01 Control Knob 1 16 102445 01 102445 01 102445 01 102445 01 Piezo Ignitor 1 17 098249 01 098249 01 098249 01 098249 01 Nut M5 2 18 099387 08 099387 08 099387 08 099387 08 Pilot Tube 1 19 098271 07 098271 07 098271 07 098271 01 Ignitor Cable 1 20 099059 02 099059 02 099059 02 099059 02 ...

Page 32: ...uctions 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 defective heater will be...

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