background image

19

105224

OWNER’S MANUAL

TROUBLESHOOTING

Continued

 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.

OBSERVED PROBLEM

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

Heater produces unwanted odors

Heater shuts off in use (ODS operates)

Gas odor even when control knob is in OFF
position

Gas odor during combustion

IMPORTANT:

 Operating heater 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.

REMEDY

1. This is common with most heaters. If

noise is excessive, contact qualified ser-
vice person

1. Open window and ventilate room. Stop

using odor causing products while heater
is running

2. Locate and correct all leaks (see Check-

ing Gas Connections, page 12)

1. Open window and/or door for ventilation
2. Contact local natural gas company
3. Clean ODS/pilot (see Cleaning and

Maintenance, page 20)

1. Locate and correct all leaks (see Check-

ing Gas Connections, page 12)

2. Replace control valve

1. Take apart gas tubing and remove for-

eign matter

2. Locate and correct all leaks (see Check-

ing Gas Connections, page 12)

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. Gas leak. 

See Warning 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 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

www.desatech.com

Summary of Contents for FVFM27PR

Page 1: ...pplier WARNING Improper installation ad justment alteration service or main tenance can cause injury or property damage Refer to this manual for cor rect installation and operational pro cedures For assistance or additional informationconsultaqualifiedinstaller service agency or the gas supplier WARNING This is an unvented gas fired heater It uses air oxygen from the room in which it is installed ...

Page 2: ...ter with doors closed heat buildup inside fireplace will cause glass to burst Also if fireplace open ing has vents at the bottom you must open the vents before operating heater 9 Youmustoperatethisheaterwithfireplace screens in place Make sure fireplace screens are closed while running heater 10 This log heater is designed to be smoke less If logs ever appear to smoke turn off heater and call a qu...

Page 3: ...slandfireboxes with multiple openings You may also in stall this log heater in a standard firebox SAFETY PILOT This heater has a pilot with an Oxygen Depletion Sensor Shutoff System ODS TheODS pilotisarequiredfeatureforvent 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 matches batt...

Page 4: ...ace as a space whose volume is less than 50 cubic feet per 1 000 Btu per hour 4 8 m3 per kw of the aggregate input rating of all appliances installed in that space and an unconfined space as a space whose volume is not less than 50 cubic feet per 1 000 Btu per hour 4 8 m3 per kw of the aggregate inputratingofallappliancesinstalledinthat space Rooms communicating directly with the space in which th...

Page 5: ...ir 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 79 000 Btu Hr actual amount of Btu Hr used The space in the above example is a confined space because t...

Page 6: ...ir 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 outdoors orspacesopentotheoutdoors Thesespaces include attics and crawl spaces IMPORTANT Do not provide openings for inlet or outlet air into attic if attic has a thermostat controlledp...

Page 7: ...will ignite if highly heated A dirty chimney flue may create and dis tribute soot within the house In spect chimney flue for damage If damaged operate heater with flue damper closed WARNING Seal any fresh air vents or ash clean out doors lo cated on floor or wall of fireplace If not drafting may cause pilot outage or sooting Use a heat resistant sealant Do not seal chimney flue damper CAUTION This...

Page 8: ...2 Installfireplacehoodaccessory HDABKorHDABR see Accessories page 21 Less than 8 Noncombustible material must be extended to at least 8 See Between 8 and 12 above If you cannot extend material you must operate heater with flue damper open NOTICE Manual control heaters maybeusedasaventedproduct If so you must always run heater with chimney flue damper open If running heater with damper open non com...

Page 9: ...antel Top of Fireplace Opening Underside of Mantel Shelf Mantel Shelf 12 A 18 20 22 24 All minimum distances are in inches 2 1 2 6 8 10 Minimum Non Combustible Material 8 Min 12 15 18 All minimum distances are in inches 20 2 1 2 6 8 10 12 Distances to Underside of Mantel Hood Top of Fireplace Opening Log Sets All Models Underside of Mantel Shelf Mantel Shelf Figure 8 Minimum Fireplace Clearances I...

Page 10: ...ter base assembly by the burner This could damage heater Only handle base assem bly by grates 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 IMPORTANT Makesuretheheaterburner is level If heater is not level heater will not work properly CAUTION Do not remove the metal data plates attached to the heater base...

Page 11: ...ant lightly to male threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged heater valves CAUTION Use only new black iron or steel pipe Inter nally tinned copper tubing may be used in certain areas Check your local codes Use pipe of 1 2 diameter or greater to allow proper gas volume to heater If pipe is too small undue loss of pressure will occu...

Page 12: ...d connections for leaks after installing or servicing Cor rect all leaks at once CAUTION Make sure exter nal regulator has been installed between propane LP supply and heater See guidelines under Con necting to Gas Supply page 11 CHECKING GAS CONNECTIONS Test Pressures Equal To or Less Than 1 2 PSIG 1 Close manual shutoff valve see Fig ure 15 2 Pressurize supply piping system by ei ther using comp...

Page 13: ... of unit place top log 2 onto the pegs in the center of the bot tom log see Figure 19 3 Position log piece 3 by aligning holes on underside with remaining pegs on bottom log see Figure 20 4 Place lava rock on fireplace floor around base of heater Figure 17 Installing Bottom Log 1 Figure 18 Installing Log set Top View Logs Burner Ports Bottom Log 1 Burner Chassis CAUTION After installation andperio...

Page 14: ...erating heater You must operate this heater with a fireplace screen in place Make sure fireplace screen is closed before running heater NOTICE During initial operation of new heater burning logs will give off a paper burning smell Open damper or window to vent smell This will only last a few hours Note Home owners generally prefer to operate their heater with the chimney damper closed This will pu...

Page 15: ...entral heating system etc 1 Follow steps 1 through 6 under Light ing Instructions page 14 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 steps 9 through 11 column 1 OPTIONAL REMOTE OPERATION NOTICE You must light the pilot before using the hand held re mote control unit See Lighti...

Page 16: ...shows a correct pilot flame pat tern Figure 26 shows an incorrect pilot flame pattern The incorrect pilot flame is not properly heating the thermocouple 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 15 see Troubleshooting pages 17 through 19 Pilot Burner Thermocouple INSPECTING B...

Page 17: ...nnect 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 piezo ignitor 7 Replace piezo ignitor 1 Turn on gas supply or open manual shutoff valve 2 Turn control knob to PILOT position 3 Press in control knob ...

Page 18: ...tion and Venti lation requirements page 4 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 pro pane LP gas company 3 Observe minimum installation clear ances see pages 7 through 9 4 Clean burner see Cleaning and Mainte nance page 20 or replace burner orifice 1 Turn heater off when using furniture polish w...

Page 19: ...n with most heaters If noise is excessive contact qualified ser vice person 1 Open window and ventilate room Stop using odor causing products while heater is running 2 Locate and correct all leaks see Check ing Gas Connections page 12 1 Open window and or door for ventilation 2 Contact local natural gas company 3 Clean ODS pilot see Cleaning and Maintenance page 20 1 Locate and correct all leaks s...

Page 20: ...or Holder On Outlet Burner Tube 5 Blow air into the primary air holes on the injector holder 6 In case any large clumps of dust have now been pushed into the burner repeat steps 3 and 4 Clean the pilot assembly also A yellow tip on the pilot flame indicates dust and dirt in the pilot assembly There is a small pilot air inlet hole about two inches from where the pilot flame comes out of the pilot a...

Page 21: ...page of this manual FIREPLACE HOOD Black HDABK Part 01244 Brass HDABR Part 01245 Antique Brass GA6053 For all models Helps deflect heat away from mantel or wall above fireplace Fits openings 28 to 49 wide LAVA ROCK 02016 Not Shown For all models Order when additional rock is desired 3 lb bag DAMPER CLAMP 02017 not shown Permanently opens chimney flue damper for vented operation Can be used only wi...

Page 22: ...ROPANE LP GAS LOG HEATER FIREPLACE MANUFACTURERS INCORPORATED ILLUSTRATED PARTS BREAKDOWN FVFM27PR 5 O F F P I L O T O N H I L O O F F P I L O T O N H I L O 1 9 3 2 13 12 15 14 18 17 12 12 16 21 12 19 6 8 7 4 11 12 20 9 10 ...

Page 23: ...e Injector 1 8 104591 01 Burner 1 9 099387 13 Pilot Tube 1 10 103781 02 Gas Control Valve 1 11 104611 01 Lower Bracket 1 12 098304 01 Screw 8 x 38 7 13 104590 01CK Painted Base Assy 1 14 098271 06 Ignitor Cable 1 15 102445 01 Piezo Ignitor 1 16 103587 02 Plate Switch 1 17 103784 02 Flame Adjustment Knob 1 18 103784 01 Off Pilot On Knob 1 19 M12461 26 Screw Hex Slt Wsr 10 32 x 38 4 20 103284 02 Wir...

Page 24: ...rdance with all local 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...

Reviews: