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PERFECTION-SCHWANK GL18NG, Owner'S Operation And Installation Manual, Page: 28 / 32

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PERFECTION-SCHWANK GL18NG Owner'S Operation And Installation Manual Download Page 28

28

103089

TECHNICAL

SERVICE

SPECIFICATIONS

GL18NG

GL24NG

GL30NG

Btu (Variable)

16,000/26,000

20,000/33,000

21,500/36,000

Type Gas

Natural Gas Only

Natural Gas Only

Natural Gas Only

Ignition

Piezo

Piezo

Piezo

Pressure

3.4" W.C.

3.4" W.C.

3.4" W.C.

Inlet Gas
Pressure (in. of water)

Maximum

10.5"

10.5"

10.5"

Minimum*

5"

5"

5"

* For purpose of input adjustment

Shipping Weight

36 lbs.

38 lbs.

40 lbs.

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.

SERVICE

HINTS

You may have further questions about installation, operation, or trouble-
shooting. If so, contact Perfection-Schwank’s Technical Service Depart-
ment at  1-800-776-8459 (outside Georgia) or 706-554-2101.

Summary of Contents for GL18NG

Page 1: ...lectrical switch do not use any phone in your build ing Immediately call your gas supplier from 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 ...

Page 2: ...Natural gas is odorless An odor making agent is added to the gas The odor helpsyoudetectagasleak However theodoraddedtothegascanfade Gasmaybepresent 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 Information 2 Product Identificat...

Page 3: ...d call a qualified service person Note During initial operation slight smoking could occur due to log curing and heater burning manufacturing residues 9 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 sooting 10 Donotuseablowerinsert heatexchange...

Page 4: ...rohibit the use of vent free heaters You can operate heater as a vented product by opening flue damper Safety Device This heater has a pilot with an Oxygen Depletion Sensor Shutoff System ODS The ODS pilot is a required feature for vent free room heaters The ODS pilot shuts off the heater if there is not enough fresh air Piezo Ignition System This heater has a piezo ignitor This system requires no...

Page 5: ... 1 1992 Section 5 3 defines confined space as having an air volume of less than 50 cubic feet 127 cubic cm for each 1000 Btu Hr input rating of all appliances in the space cubic feet equals length x width x height of space Include adjoining rooms only if there are doorless passageways or ventilation grills between the rooms PROVIDING ADEQUATE VENTILATION The following is exerpts from National Fuel...

Page 6: ...s heater ___________________ 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 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...

Page 7: ...ze of ventilation grills or ducts WARNING ICON G 001 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...

Page 8: ... 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 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 IMPORTAN...

Page 9: ... 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 42 16 Figure 4 Minimum Clearance to Wall and Ceiling Continued LOG SIZING REQUIREMENTS Log Minimum Firebox Size Size Height Depth Front Width 18 17 14 20...

Page 10: ... chimney flue damper open Go to Installing Damper Clamp Accessory for Vented Operation page 13 Heat Resistant Material A Figure 5 Heat Resistant Material Slate Marble Tile etc Above Fireplace NOTICE Variable manually controlled heaters may be used as a vented product If so you must always run heater with chimney flue damper open If running heater with damper open non combustible material above fir...

Page 11: ... page 13 Figure 6 Minimum Mantel Clearances Without Using Hood Minimum Non Combustible Material Minimum Non Combustible Material Height Distances to Underside of Mantel Top of Fireplace Opening Underside of Mantel Shelf 12 8 A 20 14 241 2 163 4 271 2 181 2 30 20 All minimum distances are in inches Log Set 24 30 Models 18 Model 2 1 2 6 8 10 If above minimum clearances are not met you must have a ho...

Page 12: ...e flooring see Figure 9 Hearth 5 Min Combustible Material Figure 9 Minimum Fireplace Clearances 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 Mantel Shelf Minimum Non Combustible Mat...

Page 13: ...ermanentlyopenchimneyflue damper Youmustinstallthedamperclampaccessory toorder seeAccessories 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 minimum permanent flue opening will be maintained at all...

Page 14: ...lexible gas hose not provided if allowed by local codes sealant resistant to propane LP gas not provided electric drill with 3 16 drill bit 1 Apply pipe joint sealant lightly to male threads of gas regulator Connect approved flexible gas hose to gas regulator of heater see Figure 11 IMPORTANT Hold gas regulator with wrench when connecting flexible gas hose 2 Locate mounting brackets bolts and nuts...

Page 15: ...ING Continued Heater Gas Regulator Flexible Gas Hose if allowed by local codes Figure 11 Attaching Flexible Gas Hose to Heater Gas Regulator Figure 12 Attaching Mounting Brackets to Heater Masonry Screw Mounting Bracket ...

Page 16: ... heater If pipe is too small undue loss of pressure will occur Installation must include a manual shutoff valve union and plugged 1 8 NPT tap Locate NPT tap within reach for test gauge hook up NPT tap must be upstream from heater see Figure 13 page 17 Apply pipe joint sealant lightly to male threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogge...

Page 17: ...ow a leak Correct all leaks at once WARNING Test all gas piping and connections for leaks after installing or servicing Correct all leaks at once CHECKING GAS CONNECTIONS Continued Pressure 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...

Page 18: ...valve see Figure 14 2 Open main gas valve located on or near gas meter 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 15 Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak 5 Correct all leaks at once 6 Light heater see Operating Heater pages 20 through 22 Check all other internal joint...

Page 19: ...ear log 2 into place behind rear burner see Figure 17 3 Place left front branch 4 and right front branch 5 24 and 30 models or front branch 4 18 model into place see Figure 18 Make sure notches on bottom rest on grates 4 Add lava rock around base of heater Figure 17 Installing Rear Log Tab Front Log 1 Figure 16 Installing Front Log Rear Log 2 WARNING Failure to position the parts in accordance wit...

Page 20: ...ot 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 service te...

Page 21: ...ight pilot with match To light pilot with match see Manual Lighting Procedure on page 22 7 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob Note If pilot goes out repeat steps 3 through 7 If control knob does not pop out when released contact a qualified service person or gas supplier for repairs 8 Push in and turn control knob counterclockwise...

Page 22: ...sed in for 30 seconds after lighting pilot After 30 seconds release control knob 4 Push in and turn control knob counterclockwise C clockwise to the HIGH position Both burners should light Set control knob to desired setting INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often PILOT FLAME PATTERN Figure 21 shows a correct pilot flame pattern Figure 22 shows an incorrect pil...

Page 23: ...lame pattern shows yellow tipping at top of blue flame If front burner flame pattern is incorrect as shown in Figure 24 turn heater off see To Turn Off Gas to Appliance page 22 see Troubleshooting pages 24 through 27 NOTICE Do not mistake orange flames with yellow tipping Dirt or other fine particles are burned by heater causing brief patches of orange flame CORRECT FLAME PATTERN AT HIGH POSITION ...

Page 24: ...an damage ODS pilot unit POSSIBLE CAUSE 1 Ignitor electrode not con nected 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 broken 7 Ignitor electrode posi tioned wrong 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 i...

Page 25: ... 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 when inst...

Page 26: ... Mainte nance page 24 2 Replace gas regulator 1 Problem will stop after a few hours of operation 1 Refer to Air for Com bustion and Ventilation requirements page 5 1 Turn control knob to LO position and let warm up for a minute 2 Operate burners until air is removed from line Have gas line checked by local natural gas company 3 Observe minimum installation clearances see pages 9 12 4 Clean burners...

Page 27: ...hile heating or contracting while cooling 1 Heater burning vapors from paint hair spray glues cleaners chemicals new carpet etc See IMPORTANT statement above 2 Low fuel supply 3 Gas leak See Warn ing statement at top of page 1 Not enough fresh air is available 2 Low line pressure 3 ODS pilot is partially clogged 1 Gas leak See Warn ing statement at top of page 2 Control valve defective 1 Foreign m...

Page 28: ...s 40 lbs 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 SERVICE HINTS You may have further ques...

Page 29: ...part s call Perfection Schwank s Technical Service Department at 1 800 776 8459 outside Georgia or 706 554 2101 for referral information When calling Perfection Schwank 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 Perfection Schwank s Parts Department at 1 800 77...

Page 30: ...30 103089 ILLUSTRATED PARTS BREAKDOWN Variable Manually Controlled Models 18 20 19 26 25 21 21 27 3 6 7 8 29 29 25 10 9 11 12 13 15 22 23 27 1 27 2 24 7 1 7 2 14 16 17 2 1 4 5 GL18NG GL24NG GL30NG ...

Page 31: ...tor 1 13 M11084 38 M11084 38 M11084 38 Screw 2 14 101011 01 101011 02 101011 03 Inlet Tube 1 15 098354 01 098354 01 098354 01 Control Knob 1 16 098462 03 098462 03 098462 03 Control Rod 1 17 098325 01 098325 01 098325 01 Roll Pin 1 18 098508 01 098508 01 098508 01 Valve Retainer Nut 1 19 102568 01 102568 01 102568 01 Gas Valve 1 20 101005 01 101005 01 101005 01 Valve Bracket 1 21 M11084 26 M11084 ...

Page 32: ...tions 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 t...

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