FMI MF42INV Owner'S Operation And Installation Manual Download

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125568-01B

POSSIBLE CAUSE

1. Control knob not fully

pressed in

2. Control knob not pressed in

long enough

3. Safety interlock system has

been triggered

4. Equipment shutoff valve not

fully open

5. Pilot flame not touching

thermocouple,  which  al-
lows thermocouple to cool,
causing  pilot  flame  to  go
out. This problem could be
caused  by  one  or  both  of
the following:

A) Low gas pressure
B) Dirty or partially clogged

ODS/pilot

6. Thermocouple connection

loose at control valve

7. Thermocouple damaged
8. Control valve damaged

1. Inlet gas pressure is too

low

2. Burner orifice(s) clogged

3. Thermopile leads discon-

nected or improperly con-
nected.

4. Remote selector in OFF

position

5. Wire disconnected from gas

control

1. Manifold pressure is too

low

2. Burner orifice(s) clogged

3. Mislocated crossover tube

1. Burner orifice is clogged or

damaged

2. Damaged burner
3. Gas regulator defective

REMEDY

1. Press in control knob fully

2. After ODS/pilot lights, keep

control knob pressed in 30
seconds

3. Wait one minute for safety

interlock system to reset.
Repeat ignition operation

4. Fully open equipment shut-

off valve

5. A) Contact local natural or

propane/LP gas company

B) Clean ODS/pilot (see

Cleaning and Maintenance

page 30) or replace ODS/
pilot assembly

6. Hand tighten until snug,

then tighten 1/4 turn more

7. Replace pilot assembly
8. Replace control valve

1. Contact local natural or

propane/LP gas company

2. C l e a n b u r n e r ( s ) ( s e e

Cleaning and Maintenance

page 30) or replace burner
orifice(s)

3. Reconnect leads see

wiring

diagram

, page 30

4. Put remote selector in ON

position

5. See

Wiring Diagram

, page

1. Contact local natural or

propane/LP gas company

2. C l e a n b u r n e r ( s ) ( s e e

Cleaning and Maintenance

page 30) or replace burner
orifice(s)

3. Contact qualified service per-

son

1. Clean burner (see

Cleaning

and Maintenance

, page 30)

or replace burner orifice

2. Replace damaged burner
3. Replace gas regulator

OBSERVED PROBLEM

ODS/pilot lights but flame
goes out when control knob
is released

One or both burners do not
light after ODS/pilot is lit

Delayed ignition of one or
both burners

Burner backfiring during
combustion

TROUBLESHOOTING

Continued

Summary of Contents for MF42INV

Page 1: ...he gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a quali fied installer service agency or the gas supplier INSTALLER Leave this manual with the appliance CONSUMER Retain this manual for future reference UNVENTED VENT FREE GAS LOG HEATER OWNER S OPERATION AND INSTALLATION MANUAL Remote Ready LOG SET AND BURNE...

Page 2: ... heat er It uses air oxygen from the room in which it is installed Provisions for adequate combustion and ventilation air must be provided Refer to Air for Combustion and Ven tilation section on page 6 of this manual This appliance may be in stalled in an aftermarket permanently located manufactured mobile home where not prohib ited by local codes This appliance is only for use with the type of ga...

Page 3: ...teschemicals known to the state of California to cause cancer or birth defects or other reproductive harm IMPORTANT Read this owner s manualcarefullyandcompletely before trying to assemble op erate or service this fireplace Improper use of this fireplace can cause serious injury or death from burns fire explo sion electricalshockandcarbon monoxide poisoning DANGER Carbonmonoxide poisoning may lead...

Page 4: ...o obstructions across openings of fireplace 8 To prevent the creation of soot follow the instructions in Cleaning and Maintenance page 30 9 Before using furniture polish wax carpet cleaner or similar products turn heater off If heated thevaporsfromtheseproductsmay create a white powder residue within burner box or on adjacent walls and furniture 10 This heater needs fresh outside air ven tilation ...

Page 5: ...all thermostat or hand held thermostat may not be used where vented decorative list ing is required Variable remote control models include a ther mostat remote control Unpacking CAUTION Donotremovethe data plates from the grate as sembly The data plates contain important warranty and safety information 1 Remove logs and heater base assembly from carton s Note Do not pick up heater base assem bly b...

Page 6: ...ur home energy efficient your home needs to breathe Fresh air must enter your home All fuel burning ap pliances need fresh air for proper combustion and ventilation Exhaust fans fireplaces clothes dryers and fuel burning appliances draw air from the house to operate You must provide adequate fresh air for these appliances This will insure proper venting of vented fuel burning appliances PROVIDING ...

Page 7: ...200 maximum Btu Hr the space can support 3 Add the Btu Hr of all fuel burning appliances in the space Vent free fireplace ___________ Btu Hr Gas water heater ___________ Btu Hr Gas furnace ___________ Btu Hr Vented gas heater ___________ Btu Hr Gas fireplace logs ___________ Btu Hr Other gas appliances __________ Btu Hr Total __________ Btu Hr Do not include direct vent gas appliances Direct vent ...

Page 8: ...connecting the two spaces see options 1 and 2 Figure 2 You can also remove door into adjoining room see option 3 Figure 2 Follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 Air for Combustion and Ventilation for required size of ventilation grills or ducts Figure 2 Ventilation Air from Inside Building Or Remove Door into Adjoining Room Option 3 Ventilation Grills Into Adjoining Room Option 2 Ve...

Page 9: ... discolor walls or cause odors Important Vent free heaters add moisture to the air Although this is beneficial installing heater in rooms without enough ventilation air may cause mildew to form from too much moisture See Air for Combustion and Ventila tion page 6 CHECK GAS TYPE Use the correct type of gas natural or propane LP If your gas supply is not the correct gas type do not install heater Ca...

Page 10: ...ombustible Material Clearances If Not Using Mantel Note If using a mantel proceed to If Using Mantel If not using a mantel follow these instructions You must have noncombustible material s above the fireplace opening Noncombustible materials such as slate marble tile etc must be at least 1 2 thick With sheet metal you must have noncombustible material behind it Noncombustible material must extend ...

Page 11: ... or GA6053 Top of Fireplace Opening Underside of Mantel Shelf Mantel Shelf Hearth 5 Min Combustible Material Figure 9 Minimum Fireplace Clearances Above Combustible Flooring NOTICE Surface temperatures ofadjacentwallsandmantelsbe comehotduringoperation Walls and mantels above the firebox may become hot to the touch If installed properly these tem peratures meet the requirement ofthenationalproduct...

Page 12: ...Fig ure 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 open ing will be maintained at all times Area of Various Standard Round Flues Diameter Area 5 20 sq inches 6 29 sq inches 7 39 sq inches 8 51 sq inches Chimney Minimum Perm...

Page 13: ...in mortar joint of bricks 4 Remove heater base from fireplace 5 Drill holes at marked locations using 3 16 drill bit 6 Attachbase throughholesinbacksidepan els of base to fireplace floor using masonry screws provided in hardware package see Figure 12 7 Connect to gas supply See Connecting To Gas Supply Figure 11 Attaching Flexible Gas Hose to Heater Gas Regulator Gas Control Flexible Gas Hose Prov...

Page 14: ...diameter or greater to allow proper gas volume to heater Ifpipeistoosmall undue loss of volume will occur Installation must include an equipment 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 14 IMPORTANT Install equipment shutoff valve in an accessible location The equipment shutoff valve is for turnin...

Page 15: ...valve control valve and equip ment 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 equip ment shutoff valve was connected 3 Pressurize supply piping system by either opening propane LP supply tank valve for propane LP gas or opening main gas valve located on or near gas meter for natural gas or using comp...

Page 16: ...control accessories are available separately see Accessories page 40 Read instructions shipped with remote control along with instructions below before attempting installation 1 If unit is already installed in fireplace con tinue with these instructions If unit has not been installed in fireplace go to step 6 and continue installation of remote accessory WARNING Turn off heater and let cool before...

Page 17: ...ector switch is in OFF posi tion before installing or chang ing batteries in your hand held remote or receiver Hand Held Remote Control The hand held remote control uses 3 AAA batteries not included To install batteries 1 Remove battery housing cover from back of hand held remote see Figure 20 2 Install or replace batteries 3 Replace battery housing cover When batteries are installed the little ho...

Page 18: ... 23 MF Series Burner System Log Compatibility Chart INSTALLING LOGS Embers and Lava Rock WARNING Failure to position the partsinaccordancewiththesediagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury MF SERIES BURNER SYSTEM LOG COMPATIBILITY CHART Find the right front log LMF42 SC and 1 VFGT30 inch models D 019 or LMF48 SC an...

Page 19: ...ront Log Side View Figure 25 Installing Back Left Log Back Left Log D 018 or D026 Flat Part of Log Log Notch Burner Tube Figure 25A Installing Back Left Log Figure 25B Installing Back Left Log D 018 Rear View Burner Tube Log Notch Vertical Portion of Burner Tube Find the front left log LMF42 SC and 3 VFGT30 inch models D017 or LMF48 SC and VFGT36 inch models D025 See Figures 26 26A and 26B The log...

Page 20: ...alling Charred Log Top Side View Square Grate Log Notch Find the middle split log LMF42 SC and 5 VFGT30 inch models D 021 or LMF48 SC and VFGT36 inch models D028 See Figures 28 and 28A The split side of the log faces forward The log has a notch that fits around the burner tube on the right side The left side of the burner tube fits into the notch on the back side of this log The log is placed prop...

Page 21: ...og D 024 See Figure 7 30 The left end of this log has a square hole that fits over a square peg that is on the top of the middle split log The right end of this log rests behind the knot on the top of the front right log Findthebacktoplog LMF SCandVFGT30 8 inch models D 023 or LMF48 SC and VFGT36 inch models D029 See Figures 31 and 31A The left end of this log has a round hole that fits over the r...

Page 22: ...tact with either the burner ports or flame around base of heater if de sired DO NOT place rock or additional logs on front burner or on logs except as directed above Placing any material on unit other than ember material on front burner may result in production of carbon monoxide or soot Aswitch log is included with each log set This log is designed to house a switch on remote ready models On vari...

Page 23: ... of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS WARNING If fireplace has glass doors never operate this heater with glass doors closed If you op erateheaterwithdoorsclosed heat buildup inside fireplace willcauseglasstoburst Make suretherearenoobstructions across openings of fireplace You must operate this heater withafireplacescreeninplace Make sure fire...

Page 24: ...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 or more This will allow air to bleed from the gas system 7 With control knob pressed in press and release ignitor button on left side of log set This will light pilot The pilot is attached to the front of U shaped burner If needed keep pressing ignitor button until ...

Page 25: ...urned off You can now turn burner on and off with hand held remote control unit IMPORTANT Do not leave selector switch in the REMOTE or ON position when pilot is not lit This will drain the battery Note Do not hold hand held remote for a long time Body temperature will affect its operation in the AUTO mode FOR YOUR SAFETY READ BEFORE LIGHTING WARNING If you do not fol low these instructions exactl...

Page 26: ...Button Location O F F PILOT O N Control Knob Ignitor Button 7 With control knob pressed in press and release ignitor button This will light pilot The pilot is attached to the front burner If needed keep ignitor button pressed in until pilot lights Note If pilot does not stay lit contact a qualified service person or gas supplier for repairs Until repairs are made light pilot with match To light pi...

Page 27: ...tribute heated air from the fireplace Note Periodically check the louvers of the firebox and remove any dust dirt or other obstructions Figure 39 Pilot Natural Propane LP Hand Held REMOTE OPERATION Batteries WARNING Make sure your selector switch is in OFF posi tion before installing or chang ing batteries in your hand held remote or receiver For installing or replacing batteries in remote control...

Page 28: ...s through 5 levels see Figure 43 Select manual flame height function by press ing MODE button until a flame is shown in lower left corner of display Use UP DOWN arrow button to set desired flame height see Figure 42 A beep from receiver confirms the command Smart Thermostat The Smart Thermostat adjusts flame height in accordance to differences between set temperature and room temperature As room t...

Page 29: ... receiver face plate marked PRG The receiver will beep 3 times to indicate it is ready to accept a new remote transmitter Press the ON OFF button on your remote and the receiver will beep 4 times to confirm it receives commands from the new remote ON REMOTE OFF PRG To Program Receiver Figure 47 Programing Remote Control to Receiver Figure 48 Correct Pilot Flame Pattern Figure 49 Incorrect Pilot Fl...

Page 30: ...r holder for dust and dirt see Figure 50 3 Blow air through the ports slots and holes in the burner 4 Check injector holder located at end of burner tube again Remove any large particles of dust dirt lint or pet hair with a soft cloth or vacuum cleaner nozzle 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 ...

Page 31: ...NV vfgt30nr vfgt30nv vfgt36nr and vfgt36nv Rating Variable 29 000 40 000 Btu Hr Type Gas Natural Ignition Electronic Manifold Pressure 3 4 W C Inlet Gas Pressure in of water Max 10 5 W C Min 5 W C For purpose of input adjustment To Thermopile To AUTO Terminal on Switch To OFF Terminal on Switch Wiring Diagram REMOTE READY MODELS Wiring Diagram variable control MODELS Black Connectors Receiver To T...

Page 32: ...n gas lines when in stalled 5 Depleted gas supply pro pane LP only 6 ODS pilot is clogged 7 Gas regulator setting is not correct REMEDY 1 Overlap ember material 1 4 see page 18 1 Reconnect ignitor cable 2 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 3 Replace ignitor cable 4 Replace ignitor 5 Replace pilot assembly 6 Replace pilot assembly 7 Install new alkaline bat ...

Page 33: ... knob pressed in 30 seconds 3 Wait one minute for safety interlock system to reset Repeat ignition operation 4 Fully open equipment shut off valve 5 A Contact local natural or propane LP gas company B Clean ODS pilot see Cleaning and Maintenance page 30 or replace ODS pilot assembly 6 Hand tighten until snug then tighten 1 4 turn more 7 Replace pilot assembly 8 Replace control valve 1 Contact loca...

Page 34: ...s removed from line Have gas line checked by local natural or propane LP gas company 3 Observe minimum installa tion clearances see pages 9 through 11 4 Clean burners see Clean ing and Maintenance page 30 or replace burner orifice s 1 Turn heater off when us ing furniture polish wax carpet cleaners or similar products 1 Refer to Air for Combustion and Ventilation require ments page 6 1 Replace 9 v...

Page 35: ...ged 1 Gas leak See Warning statement at top of page 2 Control valve or gas control defective 1 Foreign matter between control valve and burner 2 Gas leak See Warning statement at top of page 1 Hand held remote control is too close to heater REMEDY 1 Open window to venti late room Stop using odor causing products while heater is running 2 Refill supply tank propane LP only 3 Locate and correct all ...

Page 36: ... Variable Control Models MF42INR MF42IPR MF48INR MF48IPR MF42INV MF42IPV MF48INV MF48IPV vfgt30nr vfgt30pr vfgt36nr vfgt36pr vfgt30nv vfgt30pv vfgt36nv vfgt36pv 2 1 3 4 5 6 7 8 9 31 32 33 11 30 12 13 14 15 16 17 18 19 10 20 21 22 23 24 25 26 27 34 28 29 ...

Page 37: ...384 01 Nut Captive Washer 2 14 112829 02 Air Shutter 1 15 124933 01 Orifice Holder 90 Degree 1 16 099056 46 Orifice 051 Pan 1 099046 45 Orifice 028 Pan 1 17 M11084 38 Screw HWH AB 8 18 X 38 4 18 119321 01 Venturi Tube 1 19 119795 01 Burner Gasket 1 20 111435 01 Ignitor Electronic 1 21 125019 01 Bracket Ignitor 1 22 098271 12 Cable Ignitor 1 23 M12461 26 Screw HX SLT WSR 10 32 x 3 8 4 24 M11084 26 ...

Page 38: ... Log Front Top 1 8 125573 08 D 023 125591 06 D 029 Log Back Top 1 9 125538 01 None 125538 01 None Log Switch 1 Parts Log Sets for Models MF42INR MF42IPR MF48INR MF48IPR MF42INV MF42IPV MF48INV MF48IPV VFGT30NR VFGT30PR VFGT36NR VFGT36PR VFGT30NV VFGT30PV VFGT36NV VFGT36PV This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement P...

Page 39: ...eady your name your address model and serial numbers of your heater how heater was malfunctioning purchase date Usually we will ask you to return the part to the factory 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 You may feel your gas pressure is too low If so contact ...

Page 40: ...place to be operated in a manually or thermostatically controlled mode You can turn the fireplace on and off without ever leaving the comfort of your easy chair WALL MOUNTTHERMOSTATSWITCH GWMT1 REMOTE READY MODELS ONLY For all models The desired comfort setting can be selected on the wall thermostat and the log heater will automatically cycle from pilot to the heat setting selected WALL MOUNT ON O...

Page 41: ..._______________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________...

Page 42: ..._______________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________...

Page 43: ..._______________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________...

Page 44: ...is product and or FMI PRODUCTS LLC who will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty Travel handling transportation diagnostic material labor and incidental costs associated with warranty repairs unless expressly covered by this warranty are not reimbursable under this warranty and are the responsibility of the owner Excluded ...

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