Monessen Hearth VFC24 Installation & Operating Instructions Manual Download

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VFC Vent Free Fireplace System

Monessen • VFC 24/32 Owner Manual • 20308011 • Rev A • 06/16

CONTENTS

Thank you and congratulations on your purchase of a Monessen Fireplace.

PLEASE READ THE INSTALLATION AND OPERATION INSTRUCTIONS

BEFORE USING THE APPLIANCE.

IMPORTANT: Read all instructions and warnings carefully before starting installation.

Failure to follow these instructions may result in a possible fire hazard and will void the warranty.

Important Safety Information ...................................... 3

Codes ....................................................................... 4

Product Features

.......................................................... 5

Operation ................................................................. 5

Gas Pressures ......................................................... 5

Gas Specifications and Orifice Sizes ....................... 5

Ignition Controls ....................................................... 5

Pilot .......................................................................... 5

Thermal Generator ................................................... 5

Cold Climate Option ................................................. 6

Fireplace And Framing Dimensions

.......................... 7

Pre-Installation Information ......................................... 8

Getting Started ......................................................... 8

What You Will Need For Installation ......................... 8

Adequate Combustion and Ventilation Air ................ 8

Fireplace Installation .................................................... 9

Fireplace Location .................................................... 9

Clearances ............................................................. 10

Framing and Anchoring ...........................................11

Securing Heater to Floor or Hearth .........................11

Gas Line And Pressure

.............................................. 12

Connecting the Gas Line ....................................... 12

Checking Gas Pressure – Millivolt .......................... 12

Check Gas Pressure – IPI ...................................... 13

Final Installation ......................................................... 13

Remove Screen ..................................................... 13

Install Canopy ........................................................ 13

Electrical Wiring – Millivolt ......................................... 14

Connect Optional Wall Switch or Thermostat ........ 14

Connect Remote Receiver ..................................... 15

Check System Operation ....................................... 15

Operating Instructions – Millivolt .............................. 16

For Your Safety Read Before Lighting ................... 16

What to do if You Smell Gas .................................. 16

Lighting Pilot For the First Time ............................. 16

Lighting Pilot .......................................................... 17

Lighting Burner ....................................................... 18

To Turn Off Gas ...................................................... 18

Electrical Installation – Ipi .......................................... 19

Electrical Wiring ..................................................... 19

Junction Box Wiring ............................................... 19

Wall Switch Installation .......................................... 20

IPI System Wiring Diagram .................................... 20

Operating Instructions – Ipi ........................................ 21

Operations and Indications .................................... 21

For Your Safety Read Before Lighting ................... 22

What to do if You Smell Gas .................................. 22

Operating Instructions ............................................ 22

To Turn Off Gas to Appliance ................................. 22

Electrical Wiring – Fan ................................................ 23

Log And Media Placement

......................................... 24

Cast Iron Grate Installation .................................... 24

Rock Wool Placement ............................................ 24

Log Placement (VFC24L/VFC32L Only) ................ 25

Glass Only Placement ........................................... 26

Flame Appearance ...................................................... 27

Pilot and Burner Flame Appearance ...................... 27

Checking the Pilot Flame ....................................... 27

Checking Burner Flame ......................................... 28

Operating Instructions ............................................ 28

Operating Instructions ............................................... 29

For Your Safety Read Before Lighting ................... 29

What to do if You Smell Gas .................................. 29

Millivolt/Thermostat Control Lighting Instructions .. 30

To Turn Off Gas to Heater ...................................... 30

Match Lighting Instructions .................................... 31

Blower Operation ................................................... 31

Cleaning And Servicing

............................................. 32

Annual Cleaning/Inspection ................................... 32

Periodic Cleaning ................................................... 32

Optional Accessories ................................................. 33

Forced Air Kit ......................................................... 33

Installing Optional Firebrick Panels ........................ 33

Installing Optional Porcelain Panels ...................... 34

Installing Optional Black Magic Panels .................. 34

Troubleshooting

......................................................... 35

Replacement Parts ..................................................... 38

VFC Firebox Parts ................................................. 38

VFC24 Millivolt Burner Parts .................................. 39

VFC24 IPI Burner Parts ......................................... 40

VFC32 Millivolt Burner Parts .................................. 41

VFC32 IPI Burner Parts ......................................... 42

Replacement Logs ................................................. 43

Warranty ...................................................................... 44

Summary of Contents for VFC24

Page 1: ...uch any electrical switch do not use any phone in your building Leave the building immediately 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 Installation and service must be performed by a qualified installer service agency or the gas supplier WARNING If the information in this manual...

Page 2: ...r Safety Read Before Lighting 16 What to do if You Smell Gas 16 Lighting Pilot For the First Time 16 Lighting Pilot 17 Lighting Burner 18 To Turn Off Gas 18 Electrical Installation Ipi 19 Electrical Wiring 19 Junction Box Wiring 19 Wall Switch Installation 20 IPI System Wiring Diagram 20 Operating Instructions Ipi 21 Operations and Indications 21 For Your Safety Read Before Lighting 22 What to do ...

Page 3: ... pose a problem In houses of extremely tight construction additional mechanical ventilation is recommended 20 During manufacturing fabricating and shipping various components of this appliance are treated with certain oils films or bonding agents These chemicals are not harmful but may produce annoying smoke and smells as they are burned off during the initial operation of the appliance possibly c...

Page 4: ...ure testing of the gas supply piping system at test pressures equal to or less than 1 2 psig 3 5 kPa 23 Do not use this room heater if any part has been under water Immediately call a qualified service technician to inspect the room heater and to replace any part of the control system and any gas control which has been under water 24 Never burn solid fuels in a fireplace where a unvented room heat...

Page 5: ...ILLIVOLT 22 000 16 000 2 35mm VFC24LPV LP MILLIVOLT 22 000 20 000 1 45mm VFC24LNI NAT IPI 22 000 16 000 2 35mm VFC24LPI LP IPI 22 000 20 000 1 45mm VFC32CNV NAT MILLIVOLT 28 000 19 000 38 VFC32CPV LP MILLIVOLT 27 000 22 000 52 VFC32CNI NAT IPI 28 000 19 000 38 VFC32CPI LP IPI 27 000 22 000 52 VFC32LNV NAT MILLIVOLT 28 000 19 000 38 VFC32LPV LP MILLIVOLT 27 000 22 000 52 VFC32LNI NAT IPI 28 000 19 ...

Page 6: ...eded is fuel savings However with no pilot burning in your fireplace units operating in colder climates may experience delayed start up or lock out Because colder air is heavier than milder air and there is no pilot burning to maintain a warm stable temperature in your firebox establishing a draft to aid ignition becomes difficult This is perfectly normal but can be somewhat frustrating To remedy ...

Page 7: ...2 A 245 8 625 mm 32 813 mm B 225 8 575 mm 283 4 730 mm C 261 2 673 mm 30 762 mm D 19 482 mm 253 4 654 mm E 161 4 413 mm 191 2 495 mm F 41 2 114 mm 53 4 146 mm G 47 8 124 mm 5 127 mm H 141 2 368 mm 141 2 368 mm I 1 25 mm 15 8 41 mm J 131 8 333 mm 131 8 333 mm K 113 8 289 mm 113 8 289 mm L 16 406 mm 171 2 445 mm M 223 4 578 mm 283 4 730 mm Framing Dimensions N 263 4 680 mm 301 4 768 mm O 251 8 638 m...

Page 8: ...s are less than 42 from the front of the heater In high traffic areas In windy or drafty areas WARNING If the area in which the heater is operated does not meet the required volume for indoor combustion air combustion and ventilation air shall be provided by one of the methods described in the National Fuel Gas Code ANSI Z223 1 NFPA 54 the International Fuel Gas Code or applicable local codes NOTE...

Page 9: ...ty where gasoline or other flammable liquids may be stored The unvented fire box must be kept clear and free from the combustible materials FP2440 fireplace locations W H Counter Fireplace Unusually tight construction is defined as construction where a walls and ceilings exposed to the outside atmosphere have a continuous water vapor retarder with a rating of 1 perm 6 x 1011 kg per pa sec m2 or le...

Page 10: ...2 from the top of the firebox opening Figure 6 Back Wall Clearance The appliance may be placed against a combustible back wall Floor Clearance The fireplace may be installed directly on a combustible floor or a raised platform of an appropri ate height Do not place fireplace on carpeting vinyl tile or other soft floor coverings It may however be placed on flat wood plywood particle board or other ...

Page 11: ...E FIREBOX IN PLACE Construct fireplace framing following Fireplace and Framing Dimensions The framing headers may rest directly on top of the firebox The fireplace may be installed directly on a combustible floor or a raised platform of an appropriate height Do not place fireplace on carpeting vinyl tile or other soft floor coverings It may however be placed on flat wood plywood particle board or ...

Page 12: ...te BTU hr Undue pressure loss will occur if the pipe is too small A manual shutoff valve must be installed upstream of the appliance Union tee and plugged 1 8 NPT pressure tapping point should be installed upstream of the appliance Figure 11 WARNING CHECK GAS TYPE The gas supply must be the same as stated on the heater s rating plate If the gas supply is different DO NOT INSTALL THE HEATER Contact...

Page 13: ...er test point Turn unit to high Fig ure 14 After taking pressure reading be sure and turn captured screw clockwise firmly to reseal Do not over torque Check test points for gas leaks Figure 14 IPI Valve FP3034 IPI gas valve Pressure Inlet Pilot Adjust ment Screw Pressure Outlet FP3034 FINAL INSTALLATION REMOVE SCREEN NOTE Fireplace screen must be removed to access log box and to install canopy Fig...

Page 14: ...8awg two conductor wire is to be used for wall switch or ther mostat installations NOTE Thermostats and switches must be suitable for millivolt operation CONNECT OPTIONAL WALL SWITCH OR THERMOSTAT 1 Use 18 awg two wire cable 15 feet maximum length 2 At one end of the cable connect both wires to the wall switch or thermostat At the other end connect one wire to TP TH and one wire to TH or connect t...

Page 15: ...E Do not place remote in combustion chamber only the remote receiver CHECK SYSTEM OPERATION The millivolt system and individual components may be checked with a millivolt meter having a 0 1000 mV range Conduct each check shown in chart below by connection meter test leads to terminals as indicated A COMPLETE MILLIVOLT SYSTEM CHECK A Reading Thermostat contacts CLOSED control knob ON main burner sh...

Page 16: ...ry to repair it Call a qualified service technician Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part of it has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control that has been under water FOR YOUR SAFETY READ BEFORE LIGHTING LIGHTING PILOT FOR ...

Page 17: ... pilot does not stay lit repeat steps 1 and 2 LIGHTING PILOT Pilot Position Check for gas leaks in each of the following locations Pipe from the gas supply line connection to the gas valve Burner connections Field made joints gas shutoff valve Pilot Factory made joints Each joint or connection All joints on valve and control body LIGHTING PILOT FOR THE FIRST TIME WARNING NEVER use open flame to ch...

Page 18: ...econds for the burner to ignite MAIN BURNER SWITCH This switch allows you to turn on and to turn off the main burner without using the gas valve knob is in the ON position to light the main burner Depress and turn knob clockwise to OFF position TO TURN OFF GAS Off Position FP3033 wall switch PILOT O F F P I L O T ON FP1935 control knob pilot O F F P I L O T O N PILOT FP1937 control knob on Pilot P...

Page 19: ...nnecting to main electrical power supply or performing service All wiring shall be in compliance with all local city and state codes The appliance when installed must be electrically grounded in accordance with local codes or in the absence of local codes with the National Electrical Code ANSI NFPA 70 latest edition and Canadian Electrical Code CSA C22 1 Figure 19 Junction Box Wiring Diagram FP191...

Page 20: ...supply or performing service Figure 20 IPI System Wiring Diagram IPI SYSTEM WIRING DIAGRAM ELECTRICAL INSTALLATION IPI WALL SWITCH INSTALLATION The wall switch wire connection is located off the wire harness coming out of the IPI Control Board The label is wired wall switch Connect the low voltage switch wires to the two 2 terminals labeled wall switch from the control board Run wire to desired lo...

Page 21: ...4 times Re ignite warning Red LED Flash 5 times Pilot valve voltage error Red LED Flash 6 times Main valve voltage error Red LED Flash 7 times Low battery Red LED 2 5 sec Flash once REMOTE FUNCTION OPERATION ICON Fireplace On Press the ON button on the transmitter Fireplace Off Press the OFF button 3 times or hold the OFF button 3 seconds for memory off Flame Height Up Press the ON button once to ...

Page 22: ...nician to inspect the appliance and to replace any part of the control system and any gas control that has been under water FOR YOUR SAFETY READ BEFORE LIGHTING WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of lie TO TURN OFF GAS TO APPLIANCE 1 Turn Wall Switch to OFF 2 Turn Master Switch to OFF 3 Turn off all...

Page 23: ...ite Green ON Thermostat Control Blower Motor Black FP2783 DIS wiring Figure 21 VFC Wiring Diagram Electrical power cord plug can be routed to exit the VFC24 or VFC32 on either the left side or the right side Remove cord protector from side of unit route power cord through hole opposite side Reinstall cord protector WARNING Never attempt to service heater while it is plugged in operating or hot Bur...

Page 24: ...miculite or rock wool to the heater Only use the logs and 2G RW rock wool supplied with the unit Failure to position the parts in accordance with diagrams below or to use only parts specifically approved for this heater may result in property damage or personal injury B Cast Iron Grate A Cast Iron Grate I Slot Key Hole Slot LOG AND MEDIA PLACEMENT Figure 23 Place Rock Wool ROCK WOOL PLACEMENT Befo...

Page 25: ...e pilot or the main burner This may cause sooting Only place volcanic rock on the floor of the fireplace During initial operation of the new heater burning logs will give off a paper burning smell and orange flames will be present Simply open the windows for a few hours to vent the odor 2 Place the right rear log 2 behind 1 locking the two logs together with the male notch into the back of log 1 F...

Page 26: ... front edge of the log 7 will rest on the front grate horizontal bar Figure 30 Log placement complete GLASS ONLY PLACEMENT NOTE Two 2 bags of glass are supplied with the fireplace Both bags may be used to cover the entire floor and burner We advise against using additional glass as too much can cut off the proper amount of air the burner needs to operate cleanly This may cause sooting 1 Spread gla...

Page 27: ... FP2272 pilot correct flame Thermocouple for Natural Gas Thermocouple for LP Thermocouple for Natural Gas Thermocouple for LP Correct Pilot Flame Appearance Incorrect Pilot Flame Appearance CHECKING THE PILOT FLAME The pilot flame must always be present when the heater is in operation It should just touch the top of the thermocouple tip for natural Refer to Figure 32 for correct pilot flame If the...

Page 28: ...w fans to blow directly into the fireplace Do not place a blower inside the burn area of the firebox Ceiling fans may create drafts that alter flame patterns Sooting and improper burning will result During manufacturing fabricating and shipping various components of this appliance are treated with certain oils films or bonding agents These chemicals are not harmful but may produce annoying smoke a...

Page 29: ... 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 technician Force or attempted repair may result in a fire or explosion D Do not use t...

Page 30: ...onds to allow air to bleed out of the gas piping 7 With the control knob pushed in push in and release the piezo ignitor button to light the pilot 8 Continue pushing the control knob in for a further 60 seconds to prevent the flame detector from shut ting off the gas while the probe is warming up Release the control knob 9 Turn gas control knob counterclockwise to the ON position 10 After the pilo...

Page 31: ...e any items necessary for easy access to the pilot for example logs screens etc 2 Follow appropriate lighting instructions found previously Instead of pushing and releasing the piezo button light a match and hold the flame to the end of the pilot and ignite the pilot 3 After control knob has been released and pilot stays lit reinstall any items that were removed for pilot access 4 Call a qualified...

Page 32: ...s Inspect ODS pilot for operation and accumulation of lint at air intake holes Verify flame pattern and log placement for proper operation Verify smooth and responsive ignition of main burner and rear burner CLEANING AND SERVICING PERIODIC CLEANING Refer to parts diagram for location of items discussed below Do not use cleaning fluid to clean logs or any part of heater Brush logs with soft bristle...

Page 33: ...the VFC vent free fireplace systems Please verify the size and model number of your insert to be certain the kit you pur chased is correct KIT CONTENTS One 1 Center panel Two 2 self drilling 8 screws One 1 Left panel Two 2 Brick retainer brackets One 1 Right panel TOOLS REQUIRED Drill with 1 4 hex head or Phillips bit INSTRUCTIONS 1 Remove screen frame stones fireglass or logs if ap plicable per t...

Page 34: ... applicable and re install screen frame Figure 39 Install Porcelain Panels INSTALLING OPTIONAL BLACK MAGIC PANELS NOTE Black Magic glass liner kits are approved for use with optional fireglass and log kits These kits are designed to fit VFC vent free fireplace systems Please verify the size and model number of your fireplace to be certain the kit you purchased is correct KIT CONTENTS One 1 Center ...

Page 35: ... Appliance shuts off during use 1 Not enough fresh air is available for ODS pilot to operate 2 Low line pressure 3 ODS pilot is partially clogged 4 Defective Thermopile 5 Restrictions in incoming air flow 1 Open window and or door for ventilation 2 Contact local gas company 3 Clean ODS pilot 4 Check pilot flame check wire connections check output should be 325 millivolts across TH TP and TP Termin...

Page 36: ...ace burner orifice 2 Replace burner 3 Replace gas regulator Logs appear to smoke after initial operation 1 Vapors from paint or curing process of logs 2 Vapors or smoke continue after heater is run with damper or window open for several hours 1 Problem will stop after a few hours of operation Run the heater with the damper open if you have one or open a window for the first few hours 2 Log heater ...

Page 37: ...nections between switch and board Correct wiring if necessary No sound from valve indicating pilot solenoid opened Check wiring connections between valve and board Correct wiring if necessary No spark at pilot Inspect gray ignitor wire connection at board and pilot Reconnect wire if disconnected Replace ignitor wire if damaged Pilot doesn t light Check gas supply Check that ground wire has solid c...

Page 38: ...35K COLONIAL RED 20307926K CINNAMON 20307929K COLONIAL RED 4 CENTER FIREBRICK OPTIONAL 1 20308190K CINNAMON 20307934K COLONIAL RED 20307925K CINNAMON 20307928K COLONIAL RED 5 RIGHT FIREBRICK OPTIONAL 1 20308192K CINNAMON 20307936K COLONIAL RED 20307927K CINNAMON 20307930K COLONIAL RED 6 BLOWER OPTIONAL 1 BLOT24T BLOT N A LEFT PORCELAIN PANEL OPTIONAL 1 20307939K 20307814K N A CENTER PORCELAIN PANE...

Page 39: ...ner Injector 1 20H3155 33D4046 20H3155 33D4046 8 Female Valve Switch Wire 1 44D0500 44D0500 44D0500 44D0500 9 Male Valve Switch Wire 1 44D0501 44D0501 44D0501 44D0501 10 Knob Extender 1 5 Hi Low 1 37D0011 37D0011 37D0011 37D0011 11 Knob Extender 1 5 On Off 1 37D0010 37D0010 37D0010 37D0010 ACCESSORIES Flex Connector FLEXCON18 Wall Switch Kit MVWS Hand Held Remote RCB RCMT TSMT Hand Held Thermostat...

Page 40: ...07838K 20307839K 20307838K 20307839K 4 Control Box 1 95E0100 95E0100 95E0100 95E0100 5 ODS Module 1 20303179 20303179 20303179 20303179 6 ODS Pilot Assembly 1 26D2529 14D0476 26D2529 14D0476 7 ODS Module Wire 1 20301890 20301890 20301890 20301890 8 Control to ODS Module Wire 1 95E0120 95E0120 95E0120 95E0120 9 A C Adapter 1 95E0105 95E0105 95E0105 95E0105 10 Burner Injector 1 20H3155 33D4046 20H31...

Page 41: ...ot Assembly 1 14D0473 14D0477 14D0473 14D0477 4 Piezo Wire 1 00K0632 00K0632 00K0632 00K0632 5 Control Valve 1 14D0467 14D0468 14D0467 14D0468 6 Pilot Regulator 1 14D0469 N A 14D0469 N A 7 Burner Injector 1 33D5040 58D0052 33D5040 58D0052 8 Female Valve Switch Wire 1 44D0500 44D0500 44D0500 44D0500 9 Male Valve Switch Wire 1 44D0501 44D0501 44D0501 44D0501 10 Knob Extender 1 5 Hi Low 1 37D0011 37D...

Page 42: ...38K 20307839K 4 Control Box 1 95E0100 95E0100 95E0100 95E0100 5 ODS Module 1 20303179 20303179 20303179 20303179 6 ODS Pilot Assembly 1 26D2529 14D0476 26D2529 14D0476 7 ODS Module Wire 1 20301890 20301890 20301890 20301890 8 Control to ODS Module Wire 1 95E0120 95E0120 95E0120 95E0120 9 A C Adapter 1 95E0105 95E0105 95E0105 95E0105 10 Burner Injector 1 33D5040 58D0052 33D5040 58D0052 11 Pilot Reg...

Page 43: ...LACEMENT PART NO LOG 1 1 20308256K LOG 2 1 20308257K LOG 3 1 20308258K LOG 4 1 20308259K LOG 5 1 20308260K LOG 6 1 20308261K LOG 7 1 20308262K REPLACEMENT PARTS WARNING Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this appliance may result in property damage or personal injury ...

Page 44: ...dance with the installation instructions The Limited Lifetime Warranty will also be void if the appliance is not operated and maintained according to the operating instructions supplied with the appliance and does not extend to 1 firebox burner assembly damage by accident neglect misuse abuse alteration negligence of others including the installation thereof by unqualified installers 2 the costs o...

Page 45: ......

Page 46: ...Monessen a brand of Hearth Home Technologies 7571 215th Street West Lakeville MN 50044 www monessenhearth com ...

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