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16

901049

VENTED NATURAL GAS LOGS

TROUBLESHOOTING

Continued

www.desatech.com

 WARNING: If you smell gas

• Shut off gas supply.
• Do not try to light any appliance.
• Do not touch any electrical 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.

POSSIBLE CAUSE

1. Metal expanding while heating or con-

tracting while cooling

1. Log Set burning vapors from paint, hair

spray, glues, cleaners, chemicals, new
carpet, etc. (See 

IMPORTANT

 state-

ment above)

2. Gas leak. 

See Warning statement at

top of page

1. Gas leak. 

See Warning statement at

top of page

2. Control valve defective

1. Gas leak. 

See Warning statement at

top of page

OBSERVED PROBLEM

Log Set produces a clicking/ticking noise
just after burner is lit or shut off

Log Set produces unwanted odors

Gas odor even when control knob is in OFF
position

Gas odor during combustion

REMEDY

1. This is common with most log sets. If

noise is excessive, contact qualified ser-
vice person

1. Open flue to maximum. Stop using odor

causing products while log set is running

2. Locate and correct all leaks (see Check-

ing Gas Connections, page 8)

1. Locate and correct all leaks (see Check-

ing Gas Connections, page 8)

2. Replace control valve

2. Locate and correct all leaks (see Check-

ing Gas Connections, page 8)

IMPORTANT:

 Operating log set where impurities in air exist may create odors. Cleaning

supplies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles,
etc., create fumes. These fumes may mix with combustion air and create odors. These odors
will disappear over time.

Summary of Contents for Comfort Glow CVTR18

Page 1: ...rect installation and operational procedures For assistance or additional information consult a qualified installer service agency or the gas supplier WARNING This appliance is for installation only i...

Page 2: ...d fire box must be cleaned of soot creosote ashes and loose paint by a qualified chimney cleaner Creosote will ignite if highly heated Inspect chimney flue for damage 5 You must operate this log set w...

Page 3: ...that can be purchased sepa rately for this log set You must use the millivolt valve safety pilot kit to use remote accessories with this appliance See Acces sories page 17 UNPACKING CAUTION Do not rem...

Page 4: ...heatlossinhomes Homeowners weather strip and caulk around windows and doorstokeepthecoldairoutandthewarmair in During heating months home owners want their homes as airtight as possible While it is go...

Page 5: ...combustion air from the outdoors and vents to the outdoors 4 Compare the maximum Btu Hr the space can support with the actual amount of Btu Hr used _____________ Btu Hr maximum the space can support...

Page 6: ...he two spaces see options 1 and 2 Figure 2 You can also remove door into adjoining room see op tion 3 Figure 2 Follow the National Fuel Gas Code NFPA 54 ANS Z223 1 Section 5 3 Air for Combustion and V...

Page 7: ...must be in stalled only in a solid fuel burning fireplace with a working flue and constructed of non combustible material The charts in Figure 4 indicate technical information regarding the installati...

Page 8: ...s Needed Before installing log set make sure you have the items listed below piping check local codes sealant resistant to LP gas manual shutoff valve test gauge connection adjustable crescent wrench...

Page 9: ...16 wrench 6 Slip the air restrictor over the 1 8 pipe nipple Apply thread sealant to the male threads and install the rear burner nozzle onto the fitting Tighten with a 9 16 wrench 7 Place the grate...

Page 10: ...alve Manifold Block Figure 11 Installing Gas Control Valve Control Rod INSTALLATION Continued rod to the front 9 Install valve cover to burner pan using screws provided 10 Install thermocouple pilot a...

Page 11: ...e immedi ately Tighten or reassemble the loose connection s using pipe joint com pound until burner system is leak free 4 When the burner is tested and leak free observe the individual tongues of flam...

Page 12: ...f you then smell gas STOP Fol low the safety information above If you don t smell gas go on to the next step 4 Light a match and lay it on top of the U shaped burner near the edge of the cover on the...

Page 13: ...essed in for five 5 seconds Note You may be running this log set for the first time after hooking up to gas supply If so the control knob may need to be pressed in for 30 sec onds This will allow air...

Page 14: ...king sooting excessively Note It is natural and unavoidable for vented gas log sets to produce moderate levels of carbon soot where flames contact the logs This is especially true with propane LP gas...

Page 15: ...ce page 17 or replace pilot assembly 5 Hand tighten until snug then tighten 1 4 turn more 6 Replace thermocouple 7 Replace control valve 1 Clean burner orifice 2 Contact local natural or propane LP ga...

Page 16: ...tatement at top of page OBSERVED PROBLEM Log Set produces a clicking ticking noise just after burner is lit or shut off Log Set produces unwanted odors Gas odor even when control knob is in OFF positi...

Page 17: ...onal sTechnicalServiceDe partment at 1 800 DESA LOG 1 800 337 2564 WhencallingDESAInternational haveready your name your address modelandserialnumbersofyourfireplace how fireplace was malfunctioning t...

Page 18: ...18 901049 VENTED NATURAL GAS LOGS ILLUSTRATED PARTS BREAKDOWN CVTR18 CVTR24 4 19 23 21 22 20 24 25 26 2 3 8 7 11 10 1 5 6 15 9 14 12 13 27 16 18 5 17...

Page 19: ...Natural Gas 1 12 901761 01 901761 01 1 8 Hex Nipple 1 13 901760 01 901760 01 Manifold Block 1 14 901751 01 901751 01 Air Restrictor 1 15 901756 01 901756 01 Valve Cover 1 16 901056 01 901056 01 Brass...

Page 20: ...s Parts and Service 2444 North 5th Street Hartsville SC 29550 7704 803 332 0191 Parts Department Cans Unlimited Inc P O Box 645 Taylor SC 29687 0013 All States 803 879 3009 1 800 845 5301 Parts Depar...

Page 21: ...___________________ _______________________________________________________________________________________________ ____________________________________________________________________________________...

Page 22: ..._______________________ _______________________________________________________________________________________________ ________________________________________________________________________________...

Page 23: ...___________________ _______________________________________________________________________________________________ ____________________________________________________________________________________...

Page 24: ...log set will be the responsibility of the owner TOTHEFULLEXTENTALLOWEDBYTHELAWOFTHEJURISDICTIONTHATGOVERNSTHESALEOFTHEPRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND...

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