Monessen Hearth HVFL18 Indoor Fireplace User Manual
Contents
1.2. Turn on gas supply or open manual shutoff valve Turn control knob to PILOT position Press in control knob while in PILOT position Continue holding down control knob Repeat igniting operation until air is removed Replace ODS pilot assembly or get it serviced Check incoming pressure Replace gas regulator 59D1015 O z Z a OBSERVED PROBLEM POSSIBLE CAUSE TROUBLESHOOTING If the gas quality is bad your pilot may not stay lit the burners may produce soot and the heater may backfire when lit If the gas quality or pressure is low contact your local gas supplier immediately REMEDY ODS pilot lights but flame 1 Control knob not fully pressed in Press in control knob fully goes out when control knob is 2 Control knob not pressed in long enough After ODS pilot lights keep control released knob pressed in for 30 seconds 3 Manual shutoff valve not fully open Fully open manual shutoff valve 4 Thermocouple connection loose at control Hand tighten thermocouple connection valve until snug then tighten 1 4 turn more 5 Pilot flame not touching thermocouple which Contact local gas company allows thermocouple to cool causing pilot flame to go out This problem could be caused by either low gas pressure or a dirty or partially clogged ODS pilot 6 Thermocouple damaged Replace thermocouple 7 Control valve damaged Replace control valve
3. lt O Always use an external regulator for all propane LPG heaters and high pressure one to two pound systems only to reduce the supply tank pressure to a maximum of 13 w c This is in addition to the internal regulator in the heater valve 20 59D1015 CHECKING GAS PRESSURE The heater gas inlet connection is a 3 s NPT at the valve On all control type units the inlet connection is on the right side of unit To connect from the opposite side route the pipe around the back portion of the unit Connecting directly to an unregulated propane LPG tank can cause an explosion When tightening up the joint to the valve hold the valve securely to prevent movement Oo Zz Z a Test all gas joints from the gas meter to the heater valve for leaks using a gas analyzer or soap and water solution after completing connection DO NOT USE AN OPEN FLAME Check the gas pressure with the appliance burning and the control set to HIGH MANUAL CONTROL Figure 16 The pressure regulator is preset and locked to dis courage tampering If the pressure is not as specified replace the regulator with the correct part from the parts list in this manual Remove s NPT plug located on side of regulator body Install fitting and tubing to pressure gauge After taking pressure reading reinstall test plug Check for gas leaks NPT Test Plug Figure 16 Pressure Test Point Location Manual Control Test Port OUT MILL
4. rrrrnnnnnvnvvnvennnnnnnnnnn 3 Getting Saneduunassassbkqunneanm mi ijvhdnu 5 Product Features and Specifications 6 Natural Gas ererrrrorroorerrnrnnnnnnonorvenvennnrnnsnnnensnnenn 6 PropanellPiussamrunmarumusetnniqmiamamatespie 6 Pee 8 0 RR ere er errs rere errr rere 7 Pilt aaret 7 Thermal Generator rrrrrrnrrrornnnnnnnnnonnnnrrrnnnnnnnnr 7 General Installation Information 0 7 OL 010 es csccscsacdeccedevincdarsidsndasaneesdeewcsades iaxeententoedshen 7 Adequate Combustion and Ventilation Air 7 Fireplace and Hearth Dimensions menrenennnnnnnnnn 10 Placement in a Fireplace with a Restrictive Barrier EEE EN EE EE 11 Clearances and Height Requirements 12 Floor Clearance rnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnuneneer 17 Fireplace Preparation nnvnnnvnnnnnnnnnnnnnnnnnnnnnnnnenn 18 Installing Vented Applications rnnnnnnnnnnnnnnnnnnnn 19 Connecting the GaS snnsssinesianccsannuensnisistrnninsdnaansaaiinnes 20 Checking Gas Pressure rrrrrnnnnnvvnnnnnnnnnnnnnnvnnnnnnnn 21 Manual Control ccccccccceecceseeeeeseeeeeeeeeeaeanes 21 Milli Volt Thermostat Control rrrrronrnrrrnnvrennnn 21 Electrical Wiring Milli volt rernnnnnnnnnnnvnnnnnnnnnnnn 22 Connecting Remote Receiver 23 Installing Thermostat Sensor 23 Operation of Thermostat Sensor 008 25 Rock Wool and Log Placement rnnnnnn
5. Burner does not light after ODS 1 Burner orifice is clogged Clean orifice pilot is lit 2 Burner orifice diameter is too small Replace burner orifice 3 Inlet gas pressure is too low Contact qualified service person Burner backfires during com 1 Manifold pressure is too low Contact local gas company bustion 2 Burner orifice is clogged Clean burner or replace burner orifice Slight smoke or odor during 1 Burner orifice is clogged or damaged Clean burner or replace burner orifice initial operation 2 Burner is damaged Replace burner 3 Gas regulator defective Replace gas regulator Logs appear to smoke after ini 1 Vapors from paint or curing process of logs Problem will stop after a few hours tial operation of operation Run the heater with the damper open if you have one or open a window for the first few hours Log heater is intended to be smokeless Turn OFF heater and call qualified service person Heater produces a whistling 1 Turning control knob to HIGH position when 1 Turn control knob to LOW position and noise when burner is lit burner is cold let warm up for a minute 2 Air in gas line Operate burner until air is removed from line Have gas line checked by local gas company 3 Dirty or partially clogged burner orifices Clean burner or replace burner orifice No gas to pilot 1 LP regulator shut down due to inlet pressure Verify LP tank regulator is installed and 59D1015 too
6. elevations up to 2 000 feet For elevations above 2 000 feet input ratings should be reduced 4 percent for each 1 000 feet above sea level Refer to the National Fuel Gas Code The appliance and its appliance main gas valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psig 3 5 kPa The appliance must be isolated from the gas supply piping system by closing its equipment shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psig 3 5 kPa 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 25 26 This appliance must not be used with glass doors in the closed position This can lead to pilot outages and severe sooting outside the fireplace Never burn solid fuels in a fireplace where a unvented room heater is installed Always have a fireplace screen in place when the appli ance is in operation and unless other provisions for combustion air are provided the screen must have an opening s for induction of combustion air Never connect unit to private non utility gas wells This gas is commonly known as wellhead gas We suggest that our gas hearth products be installed and servic
7. page 15 elevations shown in Figure 9 page 16 8 to less than 12 Install hood and observe profiles shown Install hood and observe profiles shown in Figure 8 page 15 OR extend heat in Figure 7 page 15 OR extend heat resistant material to at least 12 and observe resistant material to at least 12 and observe profiles shown in Figure 7 page 15 profiles shown in Figure 9 page 16 Less than 8 Extend heat resistant material to at least Extend heat resistant material to at least 8 install hood and observe profiles shown 8 install hood and observe profiles shown in Figure 8 page 15 OR extend heat in Figure 7 page 15 OR extend heat resistant material to at least 12 and observe resistant material to at least 12 and observe profiles shown in Figure 8 page 15 profiles shown in Figure 9 page 16 TABLE B Heat Resistant Material Heights and Mantel Location 14 59D1015 CLEARANCES ano HEIGHT REQUIRMENTS 1 0 8 6 21 2 Heat Resistant Material 8 14 2012 245 s 28 Example A mantel may project from the wall a maximum of 2 2 at a Heater in minimum of 14 above the opening and a maximum of 6 at a mini Fireplace or mum of 20 2 above the opening Firebox Figure 7 Minimum Mantel Clearance with No Hood HVFL18 12 10 g 6 Heat 21 2 Resistant Material 8 141 2 185 8 221 2 26 Hood Example A mantel may project from the wall
8. bulb wire is at the bottom of t stat sensor Flush edge of label to right side of bracket Figure 20 Applying Label to Bracket 59D1015 Using Phillips screwdriver install t stat sensor to bracket with two screws provided See Figure 21 Make sure the Plug in wiring harnesses to back of t stat sensor See Figure 21 Wiring Harnesses pr Thermo Bulb Screws Figure 21 Installing T Stat Sensors and Wiring Harnesses 23 ELECTRICAL WIRING MILLI VOLT 5 Route wiring harnesses through large hole on side of unit Mount bracket to side of unit with screw provided See Figure 22 6 Attach wiring harness to either TP TH and TH on control valve or to existing wiring harness with two 2 0 250 male spade terminals for remote or t stat option See Figures 22 and 23 7 Install knob to shaft of t stat sensor See Figure 22 8 Place thermo bulb in front of the firebox for incoming air Wiring Harnesses Figure 22 Installing T Stat Sensor to HVFL Base with Screw Provided Figure 23 Attaching Wiring Harnesses to Control Valve 24 59D1015 ELECTRICAL WIRING MILLI VOLT OPERATION OF THERMOSTAT SENSOR 1 Follow millivolt lighting instructions on lighting plate attached to unit or in homeowner s manual 2 With control knob in the ON position make sure the ON OFF switch is in the OFF position See Figure 24 3 The unit is now being controlled by the thermostat sensor The sensor will now
9. cycle the burners on and off You can adjust how often the unit cycles by turning the control knob on the sensor ON OFF Switch Control Knob T Stat Sensor Figure 24 Control Knob in ON Position and ON OFF Switch in OFF Position CHECKING SYSTEM OPERATION CONNECT The milli vol d individual METER THERMOSTAT METER eat system and eau COM LEADS TO CONTACTS READING ponents may be checked with a milli volt TERMINALS SHOULD BE meter having a 0 1000 mV range Conduct each check shown in chart below by con A COMPLETE 283 CLOSED MINIMUM nection meter test leads to terminals as SYSTEM 175 indicated THERMOPILE 1 amp 2 OPEN MINIMUM OUTPUT 500 A COMPLETE MILLI VOLT SYSTEM CHECK A Reading Thermostat contacts CLOSED Control Knob ON Main burner should turn ON a If the reading is more than 175 milli volts and the automatic valve still does not come on replace the control b If the closed circuit reading A reading is less than 175 milli volts determine cause for low reading proceed to Section B below B Thermopile Output Reading Check B Reading Thermostat contacts OPEN Main burner OFF 1 Check gas pressure to the unit If gas pressure is within minimum and maximum on data plate then check pilot voltage 500 milli volts minimum If the minimum milli volt reading is not obtainable replace pilot 59D1015 25 ROCK WOOL anb LOG PLACEMENT Before you begin This unit is
10. defined in the fireplace manufacturer s instructions are minimum clearances to maintain when installing this heater Left and right clearances are determined when facing the front of the heater When heater is installed into a ventless firebox minimum clearances as specified by the ventless firebox manufacturer must be met WARNING Follow these instructions carefully to ensure safe installation Failure to follow instructions exactly can create a fire hazard Sidewall and ceiling clearances The sides of the fireplace opening must be at least 16 from any combustible wall The ceiling must be at least 42 from the top of the fireplace opening Figure 4 Sidewall and Ceiling Clearances 12 59D1015 CLEARANCES and HEIGHT REQUIREMENTS Heat resistant material minimum requirements with no wooden mantel or other combustible projection To install the gas logs into a fireplace with no wooden mantel shelf or other combustible projection above the fireplace opening measure the heat resistant material height per Figure 5 then see TABLE A Heat resistant materials such as slate and marble must be at least 1 2 thick Sheet metal should not be installed onto combustible material IMPORTANT If you cannot meet these minimum clearances you must operate the heater with chimney flue damper open Refer to Installing Vented Applications found on page 18 Heat Resist
11. for the first time it may be necessary to press in the control knob for 30 seconds or longer 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 10 seconds to prevent the flame detector from shutting off the gas while the probe is warming up Release the control knob 9 Turn gas control knob counterclockwise K to the ON position 10 After the pilot has been lit for one minute the burners can be turned on Turn the ON OFF switch to ON position or adjust thermostat to desired setting NOTE To use the thermostat function if installed the control knob must be set to ON and ON OFF switch must be in the OFF position 11 Ifthe gas logs will not operate follow the instructions To Turn Off Gas To Heater below and call your service technician or gas supplier on off Switch Fa Ignitor Pilot Control Control Figure 48 Pilot Figure 49 Control Cover Plate for Milli Volt TO TURN OFF GAS TO HEATER 1 Turn control knob clockwise to OFF position to completely shut off the heater 2 Ifapplicable Turn ON OFF switch to OFF position and or set thermostat if present to lowest setting 3 If applicable Turn off all electric power to the heater 34 59D1015 OPERATING INSTRUCTIONS ano CLEANING AND SERVICING MATCH LIGHTING INSTRUCTIONS Remove any items necessar
12. log heater may be installed nearer to the floor if a minimum of 14 of noncombustible material such as slate or marble is installed between the base of the fireplace and the combustible flooring See Figure 12 Heater in Fireplace or Firebox Combustible Material 13 8 Minimum p Figure 11 Minimum Clearance above Combustible Flooring Heater in Fireplace or Firebox This Distance Combustible May Now Be Material Less than 5 lt 14 Minimum gt Figure 12 Minimum Clearance above Combustible Flooring with Noncombustible Material Installed at Base of Fireplace 59D1015 17 FIREPLACE PREPARATION BEFORE FULLY INSTALLING THE UNIT e Turn OFF the gas supply to the fireplace or firebox e Seal any fresh air vents and or ash clean out doors located on the floor or wall of the fireplace If left unsealed drafting may cause pilot outage or sooting Use a heat resistant sealant Do not seal the chimney flue damper Before installing in a solid fuel burning fireplace The chimney flue and firebox must be cleaned of soot creosote ashes and loose paint by a qualified chimney cleaner INSTALLING VENTED APPLICATIONS Manual and milli volt controlled gas logs may be installed as a vented decorative log set in compliance with ANSI Z21 60 and National Fuel Gas Code Section 6 6 Since the gas logs are operated with the damper open non combustible mate rial and minimum mantel requirements do
13. period of thirty 30 days to comply with the above requirements provided however that during said thirty 30 day period a battery operated carbon monoxide detec tor with an alarm shall be installed SPECIAL REQUIREMENTS CONTINUED 2 APPROVED CARBON MONOXIDE DETECTORS Each carbon monoxide detector as required in accor dance with the above provisions shall comply with NFPA 720 and be ANSI UL 2034 listed and IAS certi fied 3 SIGNAGE A metal or plastic identification plate shall be permanently mounted to the exterior of the build ing ata minimum height of eight 8 feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUC TIONS 4 INSPECTION The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation unless upon inspection the inspector observes carbon monoxide detec tors and signage installed in accordance with the provisions of 248 CMR 5 08 2 a 1 through 4 b EXEMPTIONS The following equipment is exempt from 248 CMR 5 08 2 a 1 through 4 1 The equipment listed in Chapter 10 entitled Equipment Not Required To Be Vented in the most current edition of NFPA 54 as adopted by the Board and 2 Product Approved side wall horizontally vented gas fuel
14. supplied with four or five ceramic fiber logs Do not handle these logs with your bare hands Always wear gloves to prevent skin irritation from ceramic fibers After handling the logs wash your hands gently with soap and water to remove any traces of fibers The positioning of the logs are critical to the safe and clean operation of this heater Sooting and other problems may result if the logs are not properly and firmly positioned in the appliance Never add additional logs or embellishments such as pine cones vermiculite or rock wool to the heater Only use the logs and EB 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 WARNING PLACING ROCK WOOL Starting on the second row of burner ports Sy place EB RW Rock Wool in dime size pieces on the second row of ports and going toward back of front burner NOTE Do not put EB RW Rock Wool on first row of Dime Size burner ports Rock Wool e Use only EB RW provided with log set Do not add additional rock wool e Place EB RW rock wool on front burner ports only DO NOT PLACE EB RW ON BACK BURNER First Row of Ports Leave Open Figure 25 Placing Rock Wool O zZ Z a Back Log 1 INSTALLING KENTUCKY STACK LOGS ON GRATE 1 Install back log 1 on two pins located near the back
15. 59D1015 28 LOG PLACEMENT 5 Place front right middle log 5 on protrusion of bottom right log See Figure 34 Position back end right rear to middle log 6 on back log Rest front end of right rear to middle log 6 on front right middle log See Figure 35 7 Install left to middle log 7 on left end of back log and left bottom log See Figure 36 8 Lay back end of left front log 8 in recessed area of middle of center top log See Figure 37 Right Front Right Rear To Middle Log 6 Protrusion L IN ae 6 I JR VJ Figure 35 Installing Right Rear To Middle Log 6 Figure 34 Installing Top Right Log 5 Left Front Log 8 Recessed Figure 36 Installing Right Left To Middle Log 7 Figure 37 Installing Left Front Log 8 59D1015 29 FLAME APPEARANCE PLACING THE DECORATIVE ROCK DO NOT sprinkle volcanic rock on the logs around the pilot or on or near burners This may cause sooting Place volcanic rock only 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 z Q gt lt O Flames from the pilot front and rear burner should be visually checked as soon as the heater is installed In addition periodically check the flames visually during operation CHECKING THE PILOT FL
16. AME The pilot flame must always be present when the heater is in operation It should just touch the top of the ther mocouple tip for natural See Figures 38 and 40 for correct pilot flame If the pilot flame does not touch the thermocouple then the main burner cannot function reliably See Figures 39 and 41 for incorrect shape of pilot flame MILLI VOLT CONTROL AND THERMOSTAT CONTROL Thermocouple Thermocouple for Natural for Natural Thermocouple for LP Thermocouple for LP Figure 38 Correct Appearance of Pilot Flame Figure 39 Incorrect Appearance of Pilot Flame MANUAL CONTROL Thermocouple Thermocouple lt for Natural SE for Natural for LP for LP Figure 40 Correct Appearance of Pilot Flame Figure 41 Incorrect Appearance of Pilot Flame 30 59D1015 CHECKING THE BURNER FLAME In normal operation at full rate after 15 minutes the following flame appearances should be observed Figure 42 Correct Appearance of Rear Flames Figure 43 Correct Appearance of Rear Flames of Kentucky Stack of Split Maple The left and right rear flames should be yellow and extend 1 2 above the mid log top surfaces The yellow flames should not contact the logs There should be glowing embers on the front burner Note The front flames and embers will be an opaque orange color during the burn off time OPERATING INSTRUCTIONS Avoid any drafts that alter burner flame patterns Do not allow fans to blow directly into the firepl
17. CED IN FRONT OF THE GAS LOG SET IS NOT RECOMMENDED BY THE MANUFACTURER Glass door frames with adjustable louvers should have the louvers fully open while the unit is in operation ss Height of restrictive barrier X caused by glass door frames recessed fireplaces etc from the base or bottom surface of the unit Refer to Table The log set should be placed against or as near as possible to the rear wall of the fireplace firebox Depth of fireplace firebox Refer toTable Figure 3 Reference Drawing of a Natural Flame Log Set in an Enclosure Barriers such as the bottom of a glass door frame placed in front of a gas log set can change the air flow characteristics of the fireplace which in turn can cause the unit to overheat and malfunction O 2 Z lt NOTE Non combustible material such as refractory brick may be used fo line the floor of the fireplace in order to raise the height of the gas log set in relation to a restrictive barrier If the unit is raised the minimum height dimension listed in the homeowner s manual must not be exceeded NOTE If the log set is equipped with a remote receiver a restrictive barrier may reduce the battery life by increasing the ambient temperature inside the fireplace Placement of the receiver outside of the fireplace will extend the battery life 59D1015 11 CLEARANCES ano HEIGHT REQUIREMENTS The dimensions shown in Figures 4 through 12 and
18. D0477 18D0603 32D0232 All Models All Models All Models Milli volt only Milli volt only Milli volt only Milli volt only All Models All Models 14D0503 00K0632 59D0059 59D0051 14D0503 00K0632 59D0059 59D0051 30D0201 00F0586 24D0305 59D2004 59D2005 26D2529 18D0603 30D0202 00F0586 24D0306 59D2006 59D2007 14D0476 18D0603 14D0467 59D2012 59D2013 14D0473 18D0603 32D0232 14D0468 59D2014 59D2014 14D0477 18D0603 32D0232 All New Remotes All Models 39 REPLACEMENT PARTS LIST REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER KENTUCKY STACK LOGS hem Description ary KSeL18 KScL24 Kscrao 1 Back Log 59D1238K 59D1248K 59D1258K Left Log Cluster 59D1234K 59D1244K 59D1254K Right Log Cluster 59D1230K 59D1240K 59D1250K Top Center Log 59D1239K 59D1249K 59D1259K 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 O zZ Z a 40 59D1015 REPLACEMENT PARTS LIST REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER SPLIT MAPLE LOGS dem sinn Jen our surre une Back Log 59D1260 59D1268 59D1276 Right Bottom Log 59D1261 59D1269 59D1277 Left Bottom Log 59D1262 59D1270 59D1278 Top Center Lot 59D1266 59D1274 59D1325 Top Right Middle Log 59D1267 59D1275 59D1326 Right Rear To Middle Log 59D1264 59
19. D1272 59D1280 Right Left To Middle Log 59D1263 59D1271 59D1279 Left Front Log 59D1265 59D1273 59D1281 ONOaRWDNDY 59D1015 41 MASSACHUSETTS RESIDENTS ONLY PLEASE READ AND FOLLOW THESE SPECIAL REQUIREMENTS NOTE REGARDING VENTED PRODUCTS This product must be installed by a licensed plumber or gas fitter when installed within the Commonwealth of Massachusetts Any residence with a direct vent product must have a CO detector installed in the residence Installation of the fireplace or vented gas log in the State of Massachusetts requires the damper to be permanently removed or welded in the fully open position In addition a naturally vented gas log may not be installed in a bedroom or bathroom in the State of Massachusetts Flex line installation must not exceed 36 inches and must have a T shutoff valve NOTE REGARDING VENT FREE PRODUCTS This product must be installed by a licensed plumber or gas fitter when installed within the Commonwealth of Massachusetts In addition vent free products may not be installed in a bedroom or bathroom regardless of size or type in the State of Massachusetts Flex line installation must not exceed 36 inches and must have a T shutoff valve CARBON MONOXIDE DETECTOR REQUIREMENTS 2 Revise 10 8 3 by adding the following additional requirements a For all side wall horizontally vented gas fueled equipment installed in every dwelling building or structure used in whole o
20. F position NOTE Knob cannot be turned to OFF unless knob is pushed in slightly Do not force 5 Wait 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow the instructions under What To Do if You Smell Gas page 32 If you do not smell gas go to the next step 6 From OFF position push in gas control knob slightly and turn counterclockwise 7 to the IGN position See Figure 45 Push in and hold control knob for 5 seconds NOTE If you are running the heater for the first time it will be necessary to press in the control knob for 30 seconds to allow air to bleed out of the gas piping 7 With the control knob pushed in push and release the piezo ignitor button to light the ODS pilot The pilot is located on the left side of the heater behind the middle log and on the back of the rear burner If piezo ignitor does not light the pilot refer to Match Lighting Instructions page 35 8 Hold the control knob in for an additional 10 seconds to prevent the ODS pilot from shutting off the gas while the thermocouple is warming up 9 Release the control knob e If the knob does not pop out when released stop and immediately call your service technician or gas supplier e If the ODS pilot will not stay lit after several tries push and turn the gas control knob clockwise to OFF and wait 15 seconds Repeat steps 6 through 9 10 Push in control knob and turn counterclockwise to the HIGH set
21. I VOLT CONTROL Figure 17 The valve regulator controls the burner pressure which should be checked at the pressure test point Turn captured screw counter clockwise two or thre turns and then place tubing to pressure gauge over test point Use test point OUT closest to control knob After taking pressure reading be sure and turn captured screw clockwise firmly to re seal Do not over torque Check for gas leaks Figure 17 Pressure Test Point Location Milli Volt Control 59D1015 21 ELECTRICAL WIRING MILLI VOLT The milli volt valve is a self powered combination gas control THAT DOES NOT REQUIRE 110 VAC TO OPERATE Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after servicing CAUTION Milli volt Valve Switch On Off Switch Spade VK Y Terminal DP AG TH 3 i PE SIN TP 1 2 TP TH 2 Optional Wall Switch Remote Receiver or Optional T Stat Figure 18 Wiring Diagram CONNECTING 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 the wall switch thermostat to the two male 0 25 terminals on the left side of the unit The color of the wires does not matter 22 59D1015 CONNECTING
22. REMOTE RECEIVER THESE INSTRUCTIONS SUPERCEDE THE SECTION ENTITLED HEARTH MOUNT IN THE MILLI VOLT HAND HELD REMOTE INSTRUCTIONS SUPPLIED WITH THE REMOTE 1 7 Cut cable to length approximately 12 for placement in the fireplace Strip back 4 of the insulation from both ends of each wire Connect two 25 female connectors to the wires at one end of the cable Insert the opposite end into receiver special fitting on Ambient remotes Connect the connectors to the two 25 male connectors located on the right side when facing the unit Figure 19 Do not let the wire touch the grate or burners Stick velcro pads with self adhesive backing to side Figure 19 ELECTRICAL WIRING MILLI VOLT Remote Wire Connectors Remote Receiver Figure 19 Installing Remote Receiver of remote receiver and to the right side of the unit See Attach remote receiver with velcro pads Control switch must face forward NOTE Heat reduces battery life You can protect the receiver and extend battery life by mounting the receiver in a wall or other location outside the fireplace INSTALLING T STAT SENSOR OPTION SOLD SEPARATELY 1 2 Remove metal bracket and label from box Peel away the paper backing on the label Line up holes in label with holes on the bracket Right side of label should flush with right side of bracket See Figure 20 Press label firmly and smoothly to bracket thermo
23. UNVENTED GAS LOG HEATER OR VENTED DECORATIVE APPLIANGE INSTALLATION AND OPERATING INSTRUCTIONS MODELS HVFL18 and HVFL24 Natural Gas or Propane LPG Control Type Manual and Milli Volt This appliance may be installed WARNINGS If the information in this manual is not followed exactly a fire or explosion may result causing property damage personal injury or loss of life in an aftermarket permanently located manufactured mobile home where not prohibited by local codes This appliance is only for use with the type of gas indicated on the rating plate This appliance is not convertible for use with other gases This is an unvented gas fired heater It uses air oxygen from the room in which it is installed Provisions for adequate combustion and ventilation air must be provided Refer to page 8 Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS e 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 e 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 READ AND SAVE THESE INSTRUCTIONS CONTENTS Important Safety Information
24. a maximum of 2 2 at a Heater in minimum of 8 above the opening and a maximum of 6 at a mini Fireplace or mum of 14 2 above the opening Firebox an ap 59D1015 15 Figure 8 Minimum Mantel Clearance with Hood All Models CLEARANCES ano HEIGHT REQUIRMENTS 10 or less Heat Resistant Material t 12 min 28 Heater in Fireplace or Firebox Example The bottom of the mantel may project from the wall a maximum of 10 at a minimum of 28 above the a Figure 9 Minimum Mantel Clearance with No Hood HVFL24 r gt 6 3 Figure 10 is an example of an unsafe mantel installation This mantel projects 4 at 8 above the opening exceeding the maximum acceptable distance of 2 2 The mantel also projects 7 at 141 2 above the opening exceeding the maximum acceptable distance of 6 Mantel Minimum of 8 Heat Resistant SL sp 141 20 If your mantel profile is unsafe you may either Material i Raise the mantel to an acceptable height 8 OR Hood e Remove the mantel Figure 10 Minimum Mantel Clearance with No Hood HVFL24 Example of Unsafe Installation 16 59D1015 FLOOR CLEARANCE The gas log heater must be installed at least 5 above any combustible flooring material such as carpeting or tile which is closer than 14 to the base of the fireplace The minimum distance must be maintained from the top surface of carpeting tile etc See Figure 11 OR The gas
25. ace 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 and smells as they are burned off during the initial operation of the appliance possibly causing headaches or eye or lung irritation This is anormal and temporary occurrence The initial break in operation should last two to three hours with the burner at the highest setting Provide maximum ventilation by opening windows or doors to allow odors to dissipate Any odors remaining after this initial break in will be slight and will disappear with continued use This appliance must not be used with glass doors in the closed position This can lead to pilot outages and severe sooting outside the fireplace See Figure 3 page 11 59D1015 31 OPERATING INSTRUCTIONS HE FOR YOUR SAFETY READ BEFORE LIGHTING ME If you do not follow these instruction exactly a fire or explosion may result causing property damage personal injury or loss of life O z Z a A This appliance is equipped with a piezo ignition device which lights the pilot If piezo is not working properly see Match Lighting Instructions page 35 B BEFORE OPERATING smell all around the appliance area for gas B
26. and poor combustion e External case should be dusted and wiped with a wet soapy cloth ANNUAL CLEANING INSPECTION Refer to parts diagram for location of items discussed below e Inspect and clean burner air intake holes Remove lint or particles with vacuum brush or pipe cleaners Failure to keep air intake holes clean will result in sooting and poor combustion e Inspect and clean all burner ports e Inspect ODS pilot for operation and accumulation of lint at air intake holes e Verify flame pattern and log placement for proper operation e Verify smooth and responsive ignition of main burner and rear burner e Replace battery in remote control device 59D1015 35 TROUBLESHOOTING Oo Zz Z lt Turn appliance OFF and allow to cool before servicing Only a qualified service person should service and repair the heater Note All troubleshooting items are listed in order of operation OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed there is no spark at ODS pilot Ignitor electrode positioned wrong Ignitor electrode is broken Ignitor electrode not connected to ignitor cable Ignitor cable pinched or wet Keep ignitor cable dry Broken ignitor cable Bad piezo ignitor BRWN Fr NN Replace ignitor Replace ignitor Reconnect ignitor cable Free ignitor cable if pinched by any metal or tubing Replace ignitor cable Replace piezo ig
27. ant Material Measure this distance Heater in Fireplace or Firebox Figure 5 Measuring Heat Resistant Material HEAT RESISTANT REQUIREMENTS FOR SAFE INSTALLATION MATERIAL MEASUREMENT HVFL18 HVFL24 12 or more Hood not required Hood not required 8 to less than 12 Hood not required Extend heat resistent material to 12 or install hood See Figure 5 Less than 8 Extend heat resistant Extend heat resistant material to at material to at least 8 least 8 and install hood See Figure and install hood 5 OR extend heat resistant mater See Figure 5 ial to a height of at least 12 TABLE A Heat Resistant Material Requirements with no Mantel or Combustible Projection 59D1015 13 CLEARANCES and HEIGHT REQUIREMENTS Heat resistant material minimum requirements with wooden mantel or other combustible projection To install the heater with a wooden mantel shelf or other combustible projection above first measure the heat resistant material shown in Figure 6 then refer to Table B HEAT RESISTANT MATERIAL MEASUREMENT 12 or more 8 or More of Heat Resistant Head Material Heater in Fireplace or Firebox min a Figure 6 Measuring Heat Resistant Material for Mantel REQUIREMENTS FOR SAFE INSTALLATION WITH WOODEN MANTEL SHELF OR OTHER COMBUSTIBLE PROJECTION HVFL18 HVFL24 Hood not required Observe profiles side Hood not required Observe profile side elevations shown in Figure 7
28. ch can be obtained from American National Standards Institute Inc 1430 Broadway New York NY 10018 or National Fire Protection Association Inc Batterymarch Park Quincy MA 02269 ADEQUATE COMBUSTION AND VENTILATION AIR This heater shall not be installed in a confined space or unusually tight construction unless provisions are provided for adequate combustion and ventilation air The National Fuel Gas Code ANSI Z223 1 NFPA 54 defines a confined space as a space whose volume is less than 50 cubic feet per 1 000 BTU per hour 4 8 m per kw of the aggregate input rating of all appliances installed in that space An unconfined space is defined as a space whose volume is not less than 50 cubic feet per 1 000 BTU per hour 4 8 m per kw of the aggregate input rating of all appliances installed in that space Rooms communicating directly with the space in which the appliances are installed through openings not furnished with doors are considered a part of the unconfined space 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 10 kg per pa sec m or less with openings gasketed or sealed b weather striping 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 between sole plates and floors between wall ceil
29. d 13 Avoid any drafts that alter burner flame patterns Do not service person allow fans to blow directly into fireplace Do not place f a blower inside burn area of firebox Ceiling fans may To prevent malfunction and or sooting an unvented create drafts that alter burner flame patterns Sooting gas heater should be cleaned before use and at least and improper burning will occur annually by a professional service person More fre quent cleaning may be required due to excessive lint 14 Caution Candles incense oil lamps etc produce from carpeting bedding material etc It is imperative combustion byproducts including soot Vent free that control compartments burners and circulating air appliances will not filter or clean soot produced by passageways be kept clean these types of products In addition the smoke and or aromatics scents may be reburnt in the vent free 8 CARBON MONOXIDE POISONING Early signs of appliance which can produce odors It is recommended carbon monoxide poisoning are similar to the flu with to minimize the use of candles incense etc while the headaches dizziness and or nausea If you have these vent free appliance is in operation signs obtain fresh air immediately Have the heater 15 This is an unvented gas fired heater It uses air oxygen serviced as it may not be operating properly from the room in which it is installed Provisions for 9 The installation must conform with local codes or in adequate combu
30. e 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 e Do not attempt to light any appliance e Do not touch any electric switch do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e 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 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 Piezo Switch Ignitor Pilot Figure 44 Location of Piezo Ignitor Control Knobs and Switch on Milli volt Thermostat and Manual Units 32 59D1015 OPERATING INSTRUCTIONS MANUAL CONTROL LIGHTING INSTRUCTIONS STOP Read the safety information Make sure the manual shutoff valve is fully open This heater is equipped with an ignition device piezo which automatically lights the pilot See Figure 44 page 32 for the location of the piezo ignitor and control knob Push in gas control knob slightly and turn control knob clockwise T to the OF
31. ed by professionals who are certified in the U S by the m National Fireplace Institute INSTITUTE NFI as Gas Specialists www nficertified org 59D1015 GETTING STARTED MAKE SURE YOU HAVE RECEIVED ALL PARTS Check your packing list to verify that all listed parts have been received You should have the following e Unvented gas log grate burner assembly Two 2 plastic bags containing crushed volcanic rock e Installation operating instructions e Four 4 anchoring screws e Ceramic fiber logs Refractory logs e Rock wool The milli volt controlled version of this heater is the only style designed to be operated with optional devices for ON OFF functions The following options may be used with the milli volt controlled heater These options are not packaged with the log set e Hand held Remote with receiver e Wall thermostat with 15 wire e Wall switch with 15 wire e Hand held Thermostat Remote with receiver e Thermostat sensor e Handle the gas log burner assembly by the burner only Do not pick the unit up by the burners e Gloves are recommended when handling ceramic fiber logs to prevent skin irritation from loose fibers Logs are fragile handle with care z Q gt lt O Carefully inspect the contents for shipping damage If any parts are missing or damaged immediately inform the dealer from whom you purchased the appliance Do not attempt to install any part of the appliance unless you have all parts
32. ed equipment installed in a room or structure separate from the dwelling building or structure used in whole or in part for residential purposes c MANUFACTURER REQUIREMENTS GAS EQUIPMENT VENTING SYSTEM PROVIDED When the manu facturer of Product Approved side wall horizontally vented gas equipment provides a venting system design or venting system components with the equipment the instructions provided by the manufacturer for installation of the equipment and the venting system shall include 1 Detailed instructions for the installation of the venting system design or the venting system components and 2 Acomplete parts list for the venting system design or venting system d MANUFACTURER REQUIREMENTS GAS EQUIPMENT VENTING SYSTEM NOT PROVIDED When the manufacturer of a Product Approved side wall horizontally vented gas fueled equipment does not provide the parts for venting the flue gases but identifies special venting systems the following requirements shall be satisfied by the manufacturer 1 The referenced special venting system instructions shall be included with the appliance or equipment installation instructions and 2 The special venting systems shall be Product Approved by the Board and the instructions for that system shall include a parts list and detailed installation instructions e Acopy of all installation instructions for all Product Approved side wall horizontally vented gas fueled equip
33. high set at 11 to 13 w c Replace regulator on heater 37 REPLACEMENT PARTS BURNER ASSEMBLY 38 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 59D1015 REPLACEMENT PARTS LIST REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER BURNER ASSEMBLY 1 1 1 1 Common Parts Piezo Ignitor Piezo Wire Front Burner Rear Burner Control Valve Control Valve Nut Valve Regulator Front Burner Injector Rear Burner Injector ODS Pilot Assembly Control Knob Milli Volt Control Control Valve Front Burner Injector Rear Burner Injector ODS Pilot Assembly Control Knob On Off Switch Accessories Sold Separately 13 Thermostat Sensor Thermostat Sensor Kit Flex Connector Wall Switch Kit Wall Thermostat Kit Hand Held Remote Hand Held Thermostat Remote Remote Receiver Cover Ember Remote Receiver Cover Metal Touch Light Manual Touch Light T stat 59D1015 HVFL18 HVFL24 Natural Propane Natural Propane 14D0503 00K0632 59D0050 59D0058 30D0201 00F0586 24D0305 59D2000 59D2001 26D2529 18D0603 14D0467 59D2008 59D2009 14D0473 18D0603 32D0232 26D3314 TS Flexcon 30 MVWS MVWTS RCM RCT RRCE RRCM TLM TLT 14D0503 00K0632 59D0050 59D0058 30D0202 00F0586 24D0306 59D2002 59D2003 14D0476 18D0603 14D0468 59D2010 59D2011 14
34. in good condition WHAT YOU WILL NEED FOR INSTALLATION You should have the following items available before proceeding with installation External regulator for propane LPG and 1 2 Ib natural gas systems only e Piping which complies with local codes e Sediment trap recommended e Screwdriver e Tee joint e Pipe sealant approved for use with propane LPG Resistant to sulfur compounds e Drill with 5 32 bit e Pipe wrench or appropriate size crescent wrench set e Manual shutoff valve 59D1015 5 PRODUCT FEATURES anb SPECIFICATIONS NATURAL GAS NOTE An external regulator is required to reduce supply pressure to a maximum of 10 1 2 W C on natural gas systems operating at higher pressure Manual Pressure Milli Volt Regulator Pressure Setting 4 0 w c Regulator Pressure Setting 3 5 w c Pilot Regulator 3 5 w c Gas Inlet Pressure Max 10 2 w c Gas Inlet Pressure 10 2 w c Min 5 w c Min 5 w c Gas Rate Model Number Control Max BTU Hr Min BTU Hr HVFL18NM MANUAL 28 000 18 000 HVFL18NV MILLIVOLT 28 000 20 000 HVFL24NM MANUAL 36 000 20 000 HVFL24NV MILLIVOLT 36 000 24 000 PROPANE LPG Note An external regulator is required to reduce supply pressure to a maximum of 13 w c Manual Pressure Milli Volt Regulator Pressure Setting 10 w c Regulator Pressure Setting 10 w c Gas Inlet Pressure Max 13 w c Gas Inlet Pressure Max 13 w c Min 11 w c Min 11 w c sone Se Control Model Number Max BTU H
35. ing joints between wall panels at penetrations for plumbing electrical and gas lines and at other openings 8 59D1015 GENERAL INSTALLATION INFORMATION Counter T Fireplace x Figure 1 Example of a Large Room with 1 2 Wall Divider The following formula can be used to determine the maximum heater rating per the definition of unconfined space BTU Hr Ltl H x W Ftx H Ft x 1000 Consider two connecting rooms with an open area between with the following dimensions Li 151 2 Ft L2 12 Ft W 12 Ft H 8 Ft BTU Hr a 12 x 12 x 8 x 1000 52800 BTU Hr If there were a door between the two rooms the calculation would be based only on the room with the heater BTU Hr 15 15 Ja x 12 x 8 12 x 8 x 1000 29760 BTU Hr If the area in which the heater may be operated is smaller than that defined as an unconfined space or if the building is of unusually tight construction provide adequate combustion and ventilation air by one of the methods described in the National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 or applicable local codes O Zz Z a 59D1015 9 FIREPLACE AND HEARTH DIMENSIONS This appliance is for installation only in a solid fuel burning masonry or UL127 factory built fireplace vent free appliance or in listed ventless firebox enclosure It has been design certified for these installations Exception DO NOT install this appliance in a factory built fireplace that incl
36. match or a smoke stick reposition the damper clamp until a positive draft is obtained by opening the damper If negative pressure in home prevents having a positive draft contact your dealer for assistance WARNING PLACING AND SECURING APPLIANCE You must secure the gas log heater to the fireplace floor If not the entire unit may move when you adjust the controls Movement of unit may cause shifting of the gas logs which leads to sooting and improper burning Grate movement could cause a gas leak Special care is required if you are installing the unit into a sunken fireplace You must raise the fireplace floor to allow access to gas log controls This will insure adequate air flow and guard against sooting Raise the fireplace floor using noncombustible materials as described in Placement in a Fireplace with Restrictive Barrier on page 11 O Zz Z a ASSEMBLY PROCEDURE 1 Center the gas log unit in the fireplace or firebox Make certain the front feet of the grate sit inside the front edge of the fireplace or firebox 2 Anchor holes are located in front of the unit and in the back right and left sides of the unit After centering the grate correctly mark the hole positions on the fireplace firebox floor Drill two 2 35 32 diameter holes approximately 11 2 deep 3 Anchor the grate to the fireplace firebox floor using the screws provided See Figure 14 Proper installation of the grate is essential to prevent a
37. me patterns Do not use a blower insert heat exchanger insert or other accessory not approved for use with this heater where applicable 10 This unit complies with ANSI Z21 11 2 2001 Unvented Due to high temperatures the appliance should be located out of traffic and away from furniture aes tors and de compuss heen 2 pe and draperies rative Vented Appliances for Solid Fuel Burning Fire places State and local codes may only allow operation Children and adults should be alerted to the hazard of this appliance in a vented configuration Check your of high surface temperature and should stay away to state or local codes For vented operation see Vented avoid burns or clothing ignition Instructions in this manual Young children should be carefully supervised when 11 Do not install the heaters in a bathroom or bedroom they are in the same room with the appliance 12 Correct installation of the ceramic fiber logs proper Do not place clothing or other flammable material location of the heater and annual cleaning are necessary on or near the appliance to avoid potential problems with sooting Sooting Any safety screen or guard removed for servicing an resulting from improper installation or operation appliance must be replaced prior to operating the can settle on surfaces outside the fireplace See log heater placement instructions for proper installation Installation and repair should be done by a qualifie
38. ment all venting instructions all parts lists for venting instructions and or all venting design instructions shall remain with the appliance or equipment at the completion of the installation MONESSEN HEARTH SYSTEMS LIMITED LIFETIME WARRANTY POLICY LIFETIME WARRANTY The following components are warranted for life to the original owner subject of proof of purchase Firebox Combustion Chamber Heat Exchanger Grate and Stainless Steel Burners FIVE YEAR WARRANTY The following components are warranted for 5 years to the original owner subject of proof of purchase Vent Free Ceramic Fiber Logs and Aluminized Burners BASIC WARRANTY Monessen Hearth Systems MHS warrants the components and materials in your gas appliance to be free from manufacturing and material defects for a period of two years from date of installation After installation if any of the components manufactured by MHS in the appliance are found to be defective in materials or workmanship MHS will at its option replace or repair the defective components at no charge to the original owner MHS will also pay for reasonable labor costs incurred in replacing or repairing such components for a period of two years from the date of installation Any products presented for warranty repair must be accompanied by a dated proof of purchase This Limited Lifetime Warranty will be void if the appliance is not installed by a qualified installer in accordance with the installation instr
39. nitor Appliance produces unwanted odors Appliance burning vapors from paint hair spray glues etc Gas leak Initial burn off Ventilate room Stop using odor causing products while heater is running Locate and correct all leaks Ventilate room and turn unit on high until odor is gone Odor should be gone after 2 to 3 hours of continuous use Appliance shuts off during use Gas odor even when control knob is in OFF position Not enough fresh air is available for ODS pilot to operate Low line pressure ODS pilot is partially clogged Defective Thermopile Restrictions in incoming air flow Gas leak Control valve defective Open window and or door for ventila tion Contact local gas company Clean ODS pilot Check wire connections Check output should be 500 milli volts across TH TP and TP Terminals with ON OFF switches off Check for bottom riser on glass door sunken fireplace excessive lava rock cinders densely packed against grate Locate and correct all leaks Replace control valve When ignitor button is pressed there is spark at ODS pilot but no ignition 36 Gas supply turned off or manual shutoff valve closed Control knob not in PILOT position Control knob not pressed in while in PILOT position Air in gas lines when installed ODS pilot is clogged Gas regulator setting is not correct
40. nnnnnnvvvnnnnnn 26 Kentucky StaCK irsinin sinen 26 Split Maple rps e 28 Flame Appearance mrrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 30 Milli Volt Thermostat Control snrrrnnnnennrnnnnnr 30 ME GE EG EE 30 Checking Burner Flames rrnnnnnnvnnnnnnnnnnnnnnnvnnnnnen 31 Operating Instructions xrrrrrnnnnvovennnnnnnnnnnnvennnnnn 32 For Your Safety Read Before Lighting 32 Manual Control Lighting Instructions 33 Milli Volt Thermostat Control Lighting Instructions 34 Match Lighting Instructions erennrnnnnnnrnnnrnnnr 35 Cleaning Instructions u muiunsununmnnmnmvvp 35 Troubleshooting aumumsenmndavarsnummivjvjembiinnsie 36 Replacement Parts s nnnnnnnvnnnvnnnnnnnnnnvnnnnnnnnnnnnnenn 38 B rner ASSemDly vsersssdessaestssantisr 38 oe 40 Warranty saaemmunimemikonmmmninsnjiins n Back page 59D1015 IMPORTANT SAFETY INFORMATION INSTALLER Please leave these instructions with the appliance OWNER Please retain these instructions for future reference IMPORTANT Read these instructions carefully before installing or trying to operate this vent free gas heater WARNING Any change to this heater or its controls can be dangerous e Improper installation or use of the heater can cause serious injury or death from fire burns explosion or carbon monoxide poisoning e Do not allow fans to blow directly into the fireplace Avoid any drafts that alter burner fla
41. not apply This appliance is for installation only in a solid fuel burning fireplace masonry fireplace or manufactured fireplace with a working flue and constructed of noncombustible material Exception DO NOT install this appliance in a factory built fireplace that includes instructions stating that it has not been tested or should not be used with unvented gas logs This log set may be installed as a vented log set WARNING BEFORE INSTALLING THE APPLIANCE e Turn off gas supply to fireplace or firebox e Have the fireplace floor and chimney professionally cleaned to remove ashes soot creosote or other obstructions Have this cleaning performed annually after installation e Seal any fresh air vents or ash clean out doors located on floor or wall of fireplace If not drafting may cause pilot outage or sooting Use a heat resistant sealant Install and operate the appliance as directed in this manual DAMPER STOP INSTALLATION A damper stop must be provided with the unit Contact your dealer to obtain one The damper stop must be installed as shown in Figure 13 to prevent full closure of the fireplace damper blade and provide a minimum 29 square inch flue opening Damper ar Figure 13 Damper Stop Installation See WARNING at top of next page Damper Stop 18 59D1015 INSTALLING VENTED APPLICATIONS The fireplace and gas logs function as a system If the fireplace is spilling into the room check with a
42. ny movement of the gas logs and controls during operation Screws Anchor Holes VG 2 NS y Anchor Holes GJ 6O 8 IN Figure 14 Securing Heater to Floor of Fireplace Firebox 59D1015 19 CONNECTING THE GAS NOTICE A qualified gas appliance installer must connect the heater to the gas supply Consult all local codes Use new black iron or steel pipe Internally tinned copper or copper tubing can be used per National Fuel Code section 2 6 3 providing gas meets hydrogen sulfide limits and where permitted by local codes Gas piping system must be sized to provide minimum inlet pressure Listed on Data Plate at the maximum flow rate 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 s NPT pressure tapping point should be installed upstream of the appliance See Figure 15 z Q gt lt O Pipe Coupling To Heater Valve Locations that the Pressure Tapping Point May Be Installed Stainless Flexible Tube Manual Shutoff pee See Valve Figure 15 Gas Connection IMPORTANT Hold heater valve firmly with a wrench to prevent movement when connecting to inlet pipe 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 your dealer for the correct model z Q a
43. of base Check log position and stability See Figure 26 Figure 26 Installing Back Log 26 59D1015 Figure 28 Installing Right Log Cluster 3 LOG PLACEMENT Install left log cluster 2 on pin located near left edge of base See Figure 27 Left Log Cluster 2 Install right log cluster 3 on two pins located on right side of base See Figure 28 Rest end of top center log 4 on rear log Place front end of top center log where right and left cluster logs meet See Figure 29 Right Log Cluster 3 Figure 27 Installing Left Log Cluster 2 Top Center Log 4 Figure 29 Installing Top Center Log 4 59D1015 27 LOG PLACEMENT INSTALLING SPLIT MAPLE LOGS ON GRATE 1 2 Install right bottom log 2 on two 2 pins located on right side of base See Figure 31 3 4 Lay back end of center top log 4 on the center of back log Position front end of center top log 6 on protrusion of Install back log 1 on two pins 2 located near the back of base Check log position and stability See Figure 30 Install left bottom log 3 on pin located on right side of base See Figure 32 bottom left log See Figure 33 Right Bottom Log 2 Rear Log 1 6 Figure 30 Installing Back Log 1 Top Center Left Bottom Log 4 Log 3 Protrusion Figure 32 Installing Left Bottom Log 3 Figure 33 Installing Center Top Log 4
44. r Min BTU Hr HVFL18PM MANUAL 28 000 18 000 HVFL18PV MILLIVOLT 28 000 20 000 HVFL24PM MANUAL 36 000 24 000 HVFL24PV MILLIVOLT 36 000 27 000 6 59D1015 PRODUCT FEATURES anb SPECIFICATIONS IGNITION CONTROLS Piezo ignitor allows ignition of the pilot without the use of matches or batteries Manual control has three 3 positions OFF IGN HILOW All gas to the gas logs is shut off at the valve Valve position to light maintain a standing pilot Variable position corresponding to desired flame height Milli Volt control has four 4 positions OFF IGN ON LOWHI PILOT ODS All gas to the gas logs is shut off at the valve Valve position to light maintain a standing pilot Valve position to turn ON OFF log set with remote switch thermostat Variable position to control flame height heat output The gas log heater is fitted with a specially designed safety pilot ODS assembly which senses the amount of oxygen avail able in the room and shuts the gas log heater off if the oxygen level begins to drop below a satisfactory level The pilot can only be relit when adequate fresh air is available THERMAL GENERATOR The millivolt gas log pilot is fitted with a milli volt thermopile generator to provide power for remote activation 59D1015 GENERAL INSTALLATION INFORMATION CODES Adhere to all local codes or in their absence the latest edition of THE NATIONAL FUEL GAS CODE ANSI Z223 1 or NFPA54 whi
45. r in part for residential purposes including those owned or operated by the Commonwealth and where the side wall exhaust vent termination is less than seven 7 feet above finished grade in the area of the venting including but not limited to decks and porches the following requirements shall be satisfied 1 INSTALLATION OF CARBON MONOXIDE DETECTORS At the time of installation of the side wall hori zontal vented gas fueled equipment the installing plumber or gasfitter shall observe that a hard wired carbon monoxide detector with an alarm and battery back up is installed on the floor level where the gas equipment is to be installed In addition the installing plumber or gasfitter shall observe that a battery operated or hard wired carbon monoxide detector with an alarm is installed on each additional level of the dwelling building or structure served by the side wall horizontal vented gas fueled equipment It shall be the responsibility of the property owner to secure the services of qualified licensed professionals for the installation of hard wired carbon monoxide detectors a Inthe event that the side wall horizontally vented gas fueled equipment is installed in a crawl space or an attic the hard wired carbon monoxide detector with alarm and battery back up may be installed on the next adjacent floor level b In the event that the requirements of this subdivision can not be met at the time of completion of installation the owner shall have a
46. stion and ventilation air must be pro the absence of local codes with the National Fuel Gas Code ANSI Z223 1 NFPA54 59D1015 vided See page 8 Continued on page 4 IMPORTANT SAFETY INFORMATION Continued from page 3 16 17 18 19 20 21 22 23 Keep room area clear and free from combustible materi als gasoline and other flammable vapors and liquids Unvented gas heaters are a supplemental zone heater They are not intended to be the primary heating appli ance Unvented gas heaters emit moisture into the living area In most homes of average construction this does not pose a problem In houses of extremely tight construction additional mechanical ventilation is recommended 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 causing headaches or eye or lung irritation This is a normal and temporary occurrence The initial break in operation should last two to three hours with the burner at the highest setting Provide maximum ventilation by opening windows or doors to allow odors to dissipate Any odors remaining after this initial break in period will be slight and will disappear with continued use Input ratings are shown in BTU per hour and are for
47. ting At this location the control knob will pop out when positioned correctly The knob can now be positioned at any position between HIGH and LOW Refer to Figures 46 and 47 Rotate I ROD Rotate l OFF G OFF l OF N N HI HI HI Push Push Lo Lo Lo Figure 45 IGN Position Figure 46 HIGH Position Figure 47 LOW Position Wait 30 seconds before readjusting the heater when the control knob has been turned down to a lower setting O Zz Z a TO TURN OFF GAS TO HEATER 1 Turn control knob clockwise 7 a to OFF position to completely shut off the heater 2 Ifapplicable Turn off all electric power to the heater 59D1015 33 OPERATING INSTRUCTIONS MILLI VOLT CONTROL LIGHTING INSTRUCTIONS 1 STOP Read the safety information label 2 Make sure the manual shutoff valve is fully open 3 This gas log set is equipped with an ignition device piezo which automatically lights the pilot If piezo ignitor does not light the pilot refer to instructions for Match Lighting Instructions page 35 4 Turn gas control knob clockwise to the OFF position and turn ON OFF switch to OFF position 5 Wait 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow the instructions under What To Do If You Smell Gas page 32 6 From OFF position turn the gas control knob counterclockwise z to IGN position Push in control knob for 5 seconds NOTE If you are running the heater
48. uctions 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 of removal reinstallation or transportation of defective parts on the appliance or 3 incidental or consequential damage All service work must be performed by an authorized service representative This warranty is expressly in lieu of other warranties express or implied including the warranty of merchantability of fitness for purpose and of all other obligations or liabilities Monessen Hearth Systems Inc does not assume for it any other obligations or liability in connection with the sale or use of the appliance In states that do not allow limitations on how long an implied warranty lasts or do not allow exclusion of indirect damage those limitations of exclusions may not apply to you You may also have additional rights not covered in this Limited Lifetime Warranty MHS reserves the right to investigate any and all claims against the Limited Lifetime Warranty and decide upon method of settlement For information about this warranty contact Technical Services Monessen Hearth Systems 149 Cleveland Drive Paris Kentucky 40361 September 2006 P N 59D1015 Rev 4
49. udes instructions stating it has not been tested or should not be used with unvented gas logs WARNING Use manufacturer s installation and clearance requirements as defined in their manual The HVFL Series unvented room heater is approved for installation into the following unvented fireplaces GCUF Series Fireboxes Magnum36 42 or Lo Rider36 NOTE HVFL24 log set will not fit into GCUF32 fireboxes The HVFL Series unvented room heater may also be installed into a Ventless Firebox Enclosure for Gas Fired Decorative Type Unvented Room Heaters per IAS Requirement No 2 97 ANSI Z21 91 2001 typically referred to as a Universal Firebox as long as firebox hearth dimensions meet the minimum hearth dimensions shown below HVFL18 18 131 4 27 17 Model A B C D 1 HVFL24 221 4 1314 28 2 HVFL24 with 30 Logs 251 2 131 4 1324 17 Figure 2 Hearth Minimum Dimension 10 59D1015 PLACEMENT IN A FIREPLACE WITH A RESTRICTIVE BARRIER IMPORTANT INFORMATION FOR THE INSTALLATION OF THIS GAS LOG SET The following are guidelines for placing a gas log set in a fireplace that has a restrictive barrier along the bottom front opening of the fireplace Some examples of barriers are glass screen door frames and sunken recessed fireplaces Height of Restriction X Minimum Depth of Fireplace Firebox No restriction 131 4 0 to 11 2 16 From 11 2 to 3 16 Greater than 3 ANY BARRIER GREATER THAN THREE INCHES 3 PLA
50. y for easy access to the pilot for example logs screens etc 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 After control knob has been released and pilot stays lit reinstall any items that were removed for pilot access Call a qualified service technician for repair or replacement of the piezo ignitor CLEANING AND SERVICING Annual inspection and cleaning by your dealer or qualified service technician is recommended to prevent malfunction and or sooting Turn off heater and allow to cool before cleaning Disconnect electrical power before cleaning or servicing Remove logs handling carefully by holding gently at each end Gloves are recommended to prevent skin irritation from ceramic fibers If skin becomes irritated wash gently with soap and water Refer to manual for correct log placement 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 brush or vacuum with brush attachment e Vacuum loose particles and dust from the front and rear burner control and piezo covers and grate weldment e Inspect and clean burner air intake holes Remove lint or particles with vacuum brush or pipe cleaners Failure to keep air intake holes clean will result in sooting
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