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105073

UNVENTED PROPANE/LP GAS LOG HEATER

FIREPLACE MANUFACTURERS INC.

WARNING: Turn off and un-

plug heater and let cool before
servicing. Only a qualified ser-
vice person should service and
repair heater.

CAUTION: Never use a wire,

needle, or similar object to clean
ODS/pilot. This can damage ODS/
pilot unit.

POSSIBLE CAUSE

1. Ignitor electrode not connected to igni-

tor cable

2. Ignitor cable pinched or wet

3. Piezo ignitor nut is loose

4. Broken ignitor cable
5. Bad piezo ignitor
6. Ignitor electrode positioned wrong
7. Ignitor electrode broken

1. Gas supply turned off or equipment

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 installed

5. Depleted gas supply
6. ODS/pilot is clogged

7. Gas control setting is not correct

1. Control knob not fully pressed in
2. Control knob not pressed in long enough

3. Equipment shutoff valve not fully open
4. Pilot flame not touching thermocouple,

which allows thermocouple to cool,
causing pilot flame to go out. This prob-
lem could be caused by one or both of
the following:
A) Low gas pressure
B) Dirty or partially clogged ODS/pilot

5. Thermocouple connection loose at con-

trol valve

6. Thermocouple damaged
7. Gas control damaged

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 ignitor to base

panel of log set. Nut is located behind
base panel

4. Replace ignitor cable
5. Replace piezo ignitor
6. Replace ignitor
7. Replace ignitor

1. Turn on gas supply or open equipment

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 re-
moved

5. Contact local propane/LP gas company
6. Clean ODS/pilot (see Cleaning and

Maintenance, page 17) or replace ODS/
pilot assembly

7. Replace gas control

1. Press in control knob fully
2. After ODS/pilot lights, keep control

knob pressed in 30 seconds

3. Fully open equipment shutoff valve
4. A) Contact local propane/LP gas

company
B) Clean ODS/pilot (see Cleaning and
Maintenance, page 17) or replace ODS/
pilot assembly

5. Hand tighten until snug, then tighten 1/4

turn more

6. Replace thermocouple
7. Replace gas control

OBSERVED PROBLEM

When ignitor button is pressed, there is no
spark at ODS/pilot

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

TROUBLESHOOTING

Note:

For additional help, visit DESA

International’s technical service web site
at

www.desatech.com

Note:

All troubleshooting items are listed in

order of operation.

www.desatech.com

Содержание VFP18R

Страница 1: ...l information consult a qualified installer service agency or the gas supplier WARNING This appliance is for installa tion only in a solid fuel burning masonry UL127 factory built fireplace or in an ap proved ventless firebox It is design certi fied for these installations in accordance with ANS Z21 11 2 Exception Do not in stall this appliance in a factory built fire place that includes instructi...

Страница 2: ...st open the vents before operating heater 7 To prevent the creation of soot follow the instructions in Cleaning and Main tenance page 17 8 This log heater is designed to be smoke less If logs ever appear to smoke turn offheaterandcallaqualifiedserviceper son Note Duringinitialoperation slight smokingmayoccurduetologcuringand heater burning manufacturing residues 9 Before using furniture polish wax...

Страница 3: ...nt performance problems the useofapropane LPfueltankoflessthan 100 lb capacity is not recommended SAFETY INFORMATION Continued PRODUCT FEATURES OPERATION This heater is clean burning It requires no outsideventing Thereisnoheatlossoutavent or up a chimney Heat is generated by both realisticflamesandglowingcoals Thisheater is designed for vent free operation with flue damper closed It has been teste...

Страница 4: ...e a walls and ceilings exposed to the outside atmosphere have a con tinuous water vapor retarder with a rating of one perm 6 x 10 11 kg per pa sec m2 or less with open ings gasketed or sealed and b weather stripping has been added on openable windows and doors and c caulking or sealants are applied to areas such as joints around window and door frames be tween sole plates and floors be tween wall ...

Страница 5: ...tion 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 _________________ 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 bec...

Страница 6: ... Gas Code NFPA 54 ANS Z223 1 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts Figure 2 Ventilation Air from Inside Building Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts You must provide two per manent openings one within 12 of the ceiling and one within 12 of the floor Connect these items directly to the o...

Страница 7: ...culatingblowerwhile using heater Thiswillhelpcircu late the heat throughout the house In the event of a power outage you can use this heater as your primary heat source NOTICE Stateorlocalcodesmay onlyallowoperationofthisappli ance in a vented configuration Check your state or local codes WARNING Seal any fresh air vents or ash clean out doors lo cated on floor or wall of fireplace If not drafting...

Страница 8: ...way from your mantelshelf SeeFigure5andFigures6and 7 page 9 for minimum clearances Minimum Noncombustible Material Clearances If Not Using Mantel Note If using a mantel see If Using Man tel If not using a mantel follow the infor mation below You must have noncombustible material s above the fireplace opening Noncombus tible materials such as slate marble tile etc must be at least 1 2 inch thick Wi...

Страница 9: ...hood When using a hood there are still certain minimum mantel clear ances required Follow minimum clearances shown in Figure 7 page 9 when using hood NOTICE If your installation does notmeettheminimumclearances shown you must do one of the following operate the logs only with the flue damper open raise the mantel to an accept able height remove the mantel Figure 6 Minimum Mantel Clearances Without...

Страница 10: ... install the damper clamp accessory to order see Accessories page 24 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 times Area of Various Standard R...

Страница 11: ...sistant to liquid pe troleum LP gas We recommend that you install a sediment trap in supply line as shown in Figure 14 Locate sediment trap where it is within reach for cleaning Install in piping system betweenfuelsupplyandheater Locatesedi ment trap where trapped matter is not likely to freeze A sediment trap traps moisture and contaminants This keeps them from going into heater controls If sedim...

Страница 12: ...orrect all leaks at once WARNING Test all gas pip ing and connections for leaks after installing or servicing Cor rect all leaks at once CHECKING GAS CONNECTIONS CAUTION Make sure exter nal regulator has been installed between propane LP supply and heater SeeguidelinesunderCon necting to Gas Supply page 11 Test Pressures Equ al To or Less Than 1 2 PSIG 3 5 kPa 1 Close equipment shutoff valve see F...

Страница 13: ...the bottom of the log fit over the grate Bring the log forward next to the metal posts The pegs on the log must be on top see Figure 18 3 Slide the grooves in the back of the rear log 3 against the rear grate prongs Make sure the peg on the log is on top see Figure 19 4 Place the top middle log 4 on the bottom middle log 2 Make sure the pegs of the bottom middle log fit se curely in the holes of t...

Страница 14: ...w these instructions exactly B BEFORE LIGHTING smell all around 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 s...

Страница 15: ...tructions included with the remote control Thermostat Control Operation Optional GHRCTA Series Only The thermostat control setting on the remote control unit can be set to any comfort level between WARMER and COOLER The burners will turn on and off auto matically to maintain the comfort level you select The ideal comfort setting will vary by household depending upon the amount of space to be heate...

Страница 16: ...g at top of blue flame Pilot Burner Thermocouple Figure 27 Incorrect Pilot Flame Pattern Thermocouple Figure 26 Correct Pilot Flame Pattern Pilot Burner NOTICE Do not mistake orange flames with yellow tipping Dirt or other fine particles are burned by heater causing brief patches of orange flame If front burner flame pattern is incorrect as shown in Figure 29 page 17 turn heater off see To Turn Of...

Страница 17: ...Inlet Air Hole Burner Tube Injector Holder Primary Air Inlet Holes Ports Slots Wealsorecommendthatyoukeeptheburner tube and pilot assembly clean and free of dustanddirt Tocleanthesepartswerecom mend using compressed air no greater than 30 PSI Your local computer store hard ware store or home center may carry com pressed air in a can You can use a vacuum cleaner in the blow position If using com pr...

Страница 18: ...l damaged 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 ignitor to base panel of log set Nut is located behind base panel 4 Replace ignitor cable 5 Replace piezo ignitor 6 Replace ignitor 7 Replace ignitor 1 Turn on gas supply or open equipment shutoff valve 2 Turn control knob to PILOT position 3 Press in...

Страница 19: ...eplace 9 volt batteries in receiver and remote control OBSERVED PROBLEM 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 condensationnoticedonwindows Heater produces a whistling noise when burners are lit Whi...

Страница 20: ... fire department POSSIBLE CAUSE 1 Metal expanding while heating or con tracting while cooling 1 Heater burning vapors from paint hair spray glues cleaners chemicals new carpet etc See IMPORTANT state ment above 2 Low fuel supply 3 Gas leak See Warning statement above 1 Not enough fresh air is available 2 Low line pressure 3 ODS pilot is partially clogged 1 Gas leak See Warning statement above 2 Ga...

Страница 21: ...umbers of your heater the replacement part number 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 will backfire when lit You may feel your gas pressure is too low or g...

Страница 22: ...NVENTED PROPANE LP GAS LOG HEATER FIREPLACE MANUFACTURERS INC ILLUSTRATED PARTS BREAKDOWN VFP18R VFP24R VFP30R 29 6 7 8 9 10 7 7 24 12 11 12 22 13 25 26 29 29 15 18 20 21 28 23 16 19 14 27 17 9 1 9 2 4 5 3 2 1R 1L ...

Страница 23: ... 1 12 098271 06 098271 06 098271 06 Ignitor Cable 1 13 102445 01 102445 01 102445 01 Piezo Ignitor 1 14 103588 01 103588 01 103588 01 Heat Shield 1 15 103782 01 103782 01 103782 01 Valve Bracket 1 16 M12461 26 M12461 26 M12461 26 Screw 5 17 103781 02 103781 02 103781 02 Gas Control 1 18 098264 02 098264 02 098264 02 Male Fitting 1 19 103784 02 103784 02 103784 02 Flame Adjustment Knob 1 20 103784 ...

Страница 24: ... REMOTE CONTROL KIT GHRCT SERIES For all models Allows the gas log heater to be operated in a manually or thermostati cally 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 SERIES Forallmodels Allowsthegaslogheaterto be turned on and off by using a hand held remote control WALL MOUNT THERMO...

Страница 25: ...____________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ ___________________________________________________________________________________________...

Страница 26: ...des 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 defective h...

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