Mr. Heater MHVFB10LP User's Manual
Contents
1. Foreign matter between control valve and 1 Take apart gas tubing and remove foreign burner matter Gas odor during combustion Gas leak See WARNING statement at top 2 Locate and correct all leaks see Checking of page Gas Connections page 8 rleater produces a clicking tick 4 Metal expanding while heating or contract 1 This is common with most heaters If noise ing noise just after burner is lit ing while cooling is excessive contact qualified service or shut off person Moisture condensation noticed 1 Not enough combustion ventilation air 1 Refer to Fresh Air for Combustion and on windows Ventilation page 3 through 5 Unvented LP Gas Fired Buddy Wall Mount Heater Installation Instructions and Owner s Manual Gas odor even when control knob is in OFF position REPLACEMENT PARTS Note use only original replacement parts This will protect you warranty coverage for parts replaced under warranty PARTS UNDER WARRANTY Contact authorized dealer from whom you pur chased this product If they are unable to supply original replacement part s call the number on back of manual When contacting your dealer have ready e Your name e Your address e Model and serial numbers of your heater e How heater was malfunctioning e Type of gas used propane LP e Purchase date Usually we will ask you to return the defective part to the factory PARTS NOT UNDER WARRANTY Contact authorized dealer of this product If2. A qualified service person must con nect heater to gas supply Follow all local codes N WARNING This appliance requires a 3 8 NPT National Pipe Thread inlet connection to the pres sure regulator CAUTION Never connect heater directly to the Propane supply This heater requires an external regulator not supplied Install the external regulator between the heater and Propane LP supply The installer must supply an external regulator The ex ternal regulator will reduce the incoming gas pressure to between 11 and 14 inches of water If you do not reduce incoming gas pressure heater regulator dam age could occur Install external regulator with the vent pointing down as shown in Figure 12 Pointing the vent down protects it from freezing rain or sleet CAUTION Use only new black iron or steel pipe Internally tinned copper tubing may be used in certain areas Check your local codes Use pipe of larger enough diameter to allow proper gas volume to heater If pipe is too small undue loss of pressure will occur Installation must include an equipment shutoff valve union and plugged 1 8 NPT tap Locate NPT tap within reach of test gauge hookup NPT tap must be up stream from heater see figure 12 a co el Pressure Regulator J 3 8 NPT Pipe Nipple r Heater Cabinet Ground Joint Union Test Gauge Connection Tee Joint Reducer Bushing to 1 8 NPT D I T i Equipment Shutoff Valve F From Gas
3. Meter TE 4 W C to 10 5 H W C Pressure 1 8 NPT Plug Tap Tee Joint H Pipe Nipple a Cap 3 Minimum Figure 12 A CSA AGA certified equipment shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge con nection Purchase the CSA AGA certified equipment shutoff valve from your dealer See Accessories page 17 IMPORTANT Install an equipment shutoff valve in an accessible location The equipment shutoff valve is for turning on or shutting off the gas to the appliance Apply pipe joint sealant lightly to male threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged heater fuel train CAUTION Use pipe joint sealant that is resistant to LP Gas Install sediment trap in supply line as shown in figure 12 Locate sediment trap where it is within reach for Unvented LP Gas Fired Buddy Wall Mount Heater G Installation Instructions and Owner s Manual cleaning Asediment trap traps moisture and con taminants This keeps them from going into heater If sediment trap is not installed or is installed improperly heater may not run correctly IMPORTANT Hold pressure regulator with wrench when connecting it to gas piping and or fittings CHECKING GAS CONNECTIONS WARNING Test all gas piping and connections for leaks after installing or servicing Correct all leaks at once N WARNING Never use an open flame to check for a g
4. SMELL GAS e Do not try to light any appliance e Do not touch any electrical switch do not use any phone in your building e Immediately call you gas supplier from a neigh bor s phone Follow the gas supplier s instruc tions e Ifyou can not 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 It knob will not push in or turn by hand don t try to repair it call a qualified service technician or gas supplier Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part has been underwater Immediately call a qualified ser vice technician to inspect the appliance and to replace any part of the control system which has been underwater LIGHTING INSTRUCTIONS 1 STOP Read the all safety information included with and on the side of heater 2 Check that gas supply to heater is on 3 Push in gas control knob and slightly turn clock wise to the OFF position see figure 16 Note Knob cannot be turned from PILOT to OFF unless knob is pushed in slightly Do not force 4 Wait five 5 minutes Then smell for gas in cluding near the floor If you smell gas STOP Follow B in the safety information above If you do not smell gas go to the next step 5 Push in gas control know slightly and turn counterclockwise to PILOT IGN and depress for five 5 seconds Note The first time that the he
5. heater LOCATING HEATER This heater is designed to be mounted on the wall For convenience and efficiency install the heater e Where there is easy access for operation inspection and service e Inthe coldest part of the room CAUTION If you install the heater in a home garage e Heater pilot and burner must be at least 18 inches above floor e Locate heater where moving vehicle will not hit it CAUTION This heater creates warm air currents These currents move heat to wall surfaces next to heater In stalling heater next to vinyl or cloth wall covering or op erating heater where impurities Such as tobacco smoke aromatic candles cleaning fluids oil or kerosene lamps etc are present in the air may discolor walls WARNING Never install the heater In a bathroom In a bedroom In a recreational vehicle Where curtains furniture clothing or other flammable objects are less than 36 inches from the front top or sides of the heater As a fireplace insert In high traffic areas In windy or drafty areas WARNING Heater must be mounted to maintain the minimum clearances shown in Figure 4 If pos sible provide greater clearances from the floor ceil ing and joining walls ij 36 min from 6 Min from ceiling adjoining a lt a ae 2 min to top surface of carpet tile or other combustible material Figure 4 FASTENING HEATER TO WALL Mounting Bra
6. is connected and has been leak tested as described above 2 Make sure control knob of heater is in OFF position 3 Open equipment shutoff valve see figure 13 4 Open propane LP supply valve 5 Check all joints from equipment shutoff valve to control valve see figure 14 Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak 6 Correct all leaks at once 7 Light heater see Operating Your Heater pages 11 and 12 for thermostat models or pages 9 and 10 for non thermostat models Check the rest of the internal joints for leaks 8 Turn off heater see Jo Turn OFF Gas to Appli ance page 12 for thermostat models and page 11 for non thermostat models 9 Replace lower front panel Unvented LP Gas Fired Buddy Wall Mount Heater Installation Instructions and Owner s Manual Open Equipment F A Shutoff Valve Closed Figure 13 Control Valve Gas Meter En Figure 14 FOR YOUR SAFETY READ BEFORE LIGHTING N WARNING If you do not follow these instructions exactly a fire or explosion may result causing prop erty damage personal injury or loss of life A This appliance has a pilot that must be lighted by hand When lighting the pilot follow these instructions exactly B BEFORE LIGHTING smell all around the appli ance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU
7. they can t supply original replacement part s call Ener co Group Inc s 800 on the back of this manual TECHNICAL SERVICE You may have further questions about installation operation or troubleshooting if so contact Enerco Group Inc s 800 on the back of this manual ACCESSORIES Purchase these heater accessories from your local dealer If they can not supply these accessories contact your nearest Parts Central or call Enerco Group Inc s 800 for information You can also write to the address listed on the front page of this manual Equipment Shutoff Valve For all models Equipment shutoff valve with 1 8 NPT tap PARTS LIST Non Thermostat model MHVFB10LP This list contains replacement parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 17 of this manual Unvented LP Gas Fired Buddy Wall Mount Heater Installation Instructions and Owner s Manual Unvented LP Gas Fired Buddy Wall Mount Heater Installation Instructions and Owner s Manual WARRANTY INFORMATION Keep this warranty Model Serial No Date Purchased Always specify model and serial numbers when communication with the factory We reserve the right to amend these specifications at any time without notice The only warranty appli cable is our standard written warranty We make no other warranty expressed or implied Enerco Group Inc warrants this product to be free from de
8. AND LIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES OF MER CHANTABILITY AND FITNESS FORA PARTICULAR PURPOSE TO TWO 2 YEARS OF ALL COMPO NENTS FROM THE FIRST DATE OF PURCHASE AND ENERCO GROUP INC S LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND ENERCO GROUP INC SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT INCIDENTAL OR CON SEQUENTIAL DAMAGES some states do not allow a limitation on how long an implied warranty lasts or an exclusion or limitation on incidental or consequential damages so the above limitation on implied warranties or limitation on dam ages may not apply to you This warranty gives you specific legal rights and you may also have other rights that very from state to state Always specify model and serial number when communication with the factory ENERCO GROUP INC 4560 W 160TH ST CLEVELAND OHIO 44135 216 881 5500 Toll Free Number 1 800 251 0001 www mrheater com Mr Heater is a registered trademarks of Enerco Group Inc ANSI Z21 11 2b 2004 2005 Enerco Mr Heater All rights reserved Unvented LP Gas Fired Buddy Wall Mount Heater Installation Instructions and Owner s Manual
9. Installer Leave this manual with the appliance Consumer Retain this manual for future reference INSTALLATION INSTRUCTIONS AND OWNER S MANUAL M R H EATER READ INSTRUCTIONS CAREFULLY Read and follow all instructions Place S instructions in a safe place for future reference Do not allow anyone who has not z MHVFB10LP read these instructions to assemble light adjust or operate the heater 0 m Operation Instructions Only No Parts List UNVENTED LP GAS FIRED BUDDY WALL MOUNT HEATER A WARNING 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 Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance An LP cylinder not connected for use shall not be stored in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS e Shut off gas supply e Do not try to light any appliance e Do not touch an electrical 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 Installation and service must be performed by a qualified installer service agency or the gas supplier N WARNING This is an unvented gas fired heater It uses air oxygen from the room in which it is installed Provisions for adeq
10. ONLY PILOT STAYS LIT SEEN Ane UNTENAN E 1 Turn control knob clockwise to the PILOT IGN A WARMING Turn off heater and let cool before parni CAUTION You must keep control areas burner and INSPECTING BURNER circulation air passageways of heater clean Inspect Check pilot flame pattern and burner flame pattern these areas of heater before use Have the heater often inspected yearly by a qualified service person Heater may need more frequent cleaning due to excess lent from carpeting bedding material pet hair etc Unvented LP Gas Fired Buddy Wall Mount Heater Installation Instructions and Owner s Manual Make sure grille guard is in place before running heater If screen or grille guard is removed for servic ing it must be replaced prior to operating the heater WARNING Failure to keep the primary air opening s of the burner s clean may result in soot ing and property damage CLEANING ODS PILOT AND BURNER e Use as vacuum cleaner pressurized air or small soft bristled brush to clean CLEANING BURNER PILOT AIR HOLE INLET We recommend that you clean the unit ever 2 500 hours of operation or every three months We also recommend that you keep the burner tube and pilot as sembly clean and free of dust and dirt To clean these parts we recommend using compressed air no greater than 30 psig This can be done by using a vacuum cleaner in the blow position using compressed air in a can please follow the directions on th
11. able ma terial on or near the appliance Never place any objects on the heater Due to high temperatures heater should be kept out of traffic and away from furniture and draperies Surface of heater becomes very hot when run ning Keep children and adults away from hot surfaces to avoid burns or clothing ignition Heater will remain hot for a time after shut down Allow heater surfaces to cool before handling Young children should be carefully supervised when they are in the same room with heater Make sure grille guard is in place before running heater If screen or grille guard is removed for servicing it must be replaced prio to operating the heater Keep the appliance area clear and free from combustible materials gasoline and other flammable vapors and liquids AN Every time hose or tank is connected to unit connection must be checked for leaks in one or more ways Apply soapy water to connection look for bubbles listen for hiss of escaping gas feel for extreme cold smell for rotten egg odor Do not use if leaking PRECAUTIONS WARNING 1 This heater may be installed in a bedroom but not a bathroom or any place where a strong wind would shut down the appliance 2 This heater needs outside ventilation air to run properly The Oxygen Depletion Sensor ODS safety shutoff system shuts down the heater if not enough fresh air is available See Fresh Air for Com bustion and Ventilation page 3 3 K
12. as leak Apply a mixture of liquid soap and water to all joints Bubbles forming show a leak Correct all leaks at once PRESSURE TESTING GAS SUPPLY PIPING SYSTEM Test pressure in Excess of 2 psig 3 5kPa 1 Disconnect appliance with its appliance main gas valve control valve and equipment shutoff valve from gas supply piping system Pres sures in excess of psig will damage heater regulator 2 Cap off open end of gas pipe where equipment shutoff valve was connected 3 Pressurize supply piping system by either using compressed air or opening main gas valve on or near gas meter 4 Check all connections and joints in gas supply piping system Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak 5 Correct all leaks at once 6 Depressurize and relieve pressure in supply piping system 7 Reconnect heater and equipment shutoff valve to gas supply 8 Reconnected fittings must be checked for leaks in next section Test Pressure Equal To or Less Than 2 psig 3 5 kPa 1 Close equipment shutoff valve see figure 13 2 Pressurize supply piping system by either using compressed air or opening propane LP supply valve 3 Check all joints from the propane LP supply valve to equipment shutoff valve see figure 14 Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak 4 Correct all leaks at once 5 Depressurize and relieve pressure from supply p
13. ater is operated after connecting the gas supply the control knob should be depressed for about 30 seconds This will allow air to bleed from the gas system 6 Push in control knob and rotate control knob back to OFF position then rotate counterclock wise to PILOT IGN position This will light pilot If needed gently keep rotating control knob back and forth while depressed until pilot lights 7 Keep control knob depressed in for ten 10 seconds after lighting pilot If pilot goes out repeat steps 4 5 6 and 7 e f pilot does not stay lit refer to Troubleshoot ing pages 14 amp 15 Also contact a qualified service person or gas supplier for repairs e If control knob does not pop up when released contact a qualified service person or gas sup plier for repairs e When the pilot is lit turn the control knob to HI position to light heater e After flame is established see Burner Flame Pattern Pages 12 and 13 on HI adjust heat output by turning control knob to desired position LO or HI Do not operate heater between locked positions Unvented LP Gas Fired Buddy Wall Mount Heater 9 Installation Instructions and Owner s Manual PILOT FLAME PATTERN Figure 21 show a correct pilot flame pattern Figure 22 shows an incorrect pilot flame pattern The incorrect pilot flame pattern is not touching thermocouple This will cause the thermocouple to cool When the thermo couple cools the h
14. ces Direct vent draws combustion air from the outdoors and vents to the outdoors Example Gas water heater 40 000 Btu hr Vent Free Heater 20 000 Btu hr Total 60 000 Btu hr 4 Compare the maximum Btu hr the space can support with the actual amount of Btu hr used 51 800 Btu hr maximum Btu hr the Space can support 60 000 Btu hr Actual amount of Btu hr used The space in the above example is a confined space because the actual Btu hr used is more than the maximum Btu hr the space can support Example You must provide additional fresh air Your options are as follows A Rework worksheet and the space of an adjoining room If the extra space provides an unconfined space remove door to adjoining room or add venti lation grills between the rooms See Ventilation Air From Inside Building Fig 2 B Vent room directly to the outdoors See Ventilation Air From Outdoors Fig 3 C Install a lower Btu hr heater if lower Btu hr size makes room unconfined If actual Btu hr used is less than the maximum Btu Unvented LP Gas Fired Buddy Wall Mount Heater hr the space can support the space is an uncon fined space You will need no additional fresh air ventilation VENTILATION AIR Ventilation from Inside Building This fresh air would come from an adjoining unconfined space When ventilation to an adjoining unconfined space you must provide two permanent openings one within 12 of the ceiling and one wi
15. cket The mounting bracket in located on the back panel of heater see figure 5 It has been taped there for ship Unvented LP Gas Fired Buddy Wall Mount Heater 5 Installation Instructions and Owner s Manual ping Remove mounting bracket from back panel Mounting Bracket Figure 5 Removing Front Panel of Heater 1 Remove three screws on bottom front of front panel 2 Pull bottom of front panel forward then down see figure 6 Figure 6 Attaching Mounting Bracket to Wall Use holes on each end of mounting bracket to attach bracket to wall These holes are 16 inches apart At tach mounting bracket to wall in one of two following ways 1 Attach to wall studs 2 Attach to wall anchor Attaching to Wall Stud This way is the best providing the strongest mounting in wood frame houses Attaching to Wall Anchor This way allows you to attach mounting bracket to hol low walls wall areas between studs or to solid walls concrete or masonry Decide which way best suits your needs Either method will provide a secure hold for the mounting bracket 1 Tape mounting bracket to wall where heater will be located Make sure mounting bracket is level For wall stud mounting locate one end of the mounting bracket over a wall stud WARNING Maintain minimum clearances shown in figure 7 If you can provide greater clearances from the floor and joining wall 2 Mark screw locat
16. cts 36 915cm Unvented LP Gas Fired Buddy Wall Mount Heater m Installation Instructions and Owner s Manual TROUBLESHOOTING NOTE All troubleshooting items are listed in order of operation and likely occurrence QS WARNING Only a qualified service person should service and repair heater CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit Make sure grille guard is in place before running heater If screen or grille guard is removed for servicing it must be replaced prior to operating the heater OBSERVED SYMPTOM POSSIBLE CAUSE REMEDY When Piezo ignitor knob is Ignitor electrode positioned wrong Reposition electrode turned there is no spark at pilot Ignitor electrode is broken Replace electrode Ignitor electrode not connected to ignitor Reconnect ignitor cable Ignitor cable pinched or wet Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry Broken ignitor cable Replace ignitor cable Bad Piezo ignitor Replace control valve Piezo is part of control valve on 10K units ODS pilot lights but flame Gas supply turned off or equipment shut Turn on gas supply or open equipment goes out when control knob is off valve closed shutoff valve released Air in gas line when installed Continue holding down control knob Re peat ignition operation until air is removed ODS pilot is clogged Clean ODS pilot See Cl
17. doorless passageways or ventilation grills be tween them DETERMINING THE TYPE OF HEATER LOCATION SPACE Use this method to determine if you have a confined or unconfined space Note the space includes the room in which you Installation Instructions and Owner s Manual install heater plus any adjoining rooms with door less passageways or ventilation grills between the rooms 1 Find the volume of the space by multiplying room length x width x height Example Space size 18ft length x 18ft width x 8ft height 2592 If additional ventilation to adjoining room is supplied with grills or openings add the volume of these rooms to the total volume of the space 2 Divide the space volume by 50 cubic feet to deter mine the maximum Btu hr the space can support Example 2592 cu ft volume of space 50 cu ft 51 8 or 51 800 maximum Btu hr the space can support AN WARNING If the area in which the heater may be operated is smaller than defined as an unconfined space or if the building is of unusually tight con struction provide adequate combustion and ventila tion air by the methods described in the National Fuel Gas Code NFPA 54 ANSI 2223 1 Section 5 3 or applicable local codes 3 Add the Btu hr of all the fuel burning appliances in the space such as Vent free heater Gas water heater Gas furnace Vented gas heater Gas fire place logs and Other gas appliances Do not include direct vent gas applian
18. ducts TROUBLESHOOTING A WARNING If you smell gas Shut off gas supply Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call you gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department IMPORTANT Operating heater where impurities in air exist may create odors Cleaning supplies paint paint remover cigarette smoke cements and glues new carpet or textiles etc create fumes These fumes may mix with combustion air and create odors and possible discoloration of walls and ceilings OBSERVED SYMPTOM POSSIBLE CAUSE REMEDY 1 Heater burning vapors from paint hair 1 Ventilate room Stop using odor causing Heater produces unwanted spray glues etc See IMPORTANT state products while heater is running odors ment above Gas leak See WARNING statement at top 2 Locate and correct all leaks see Checking of page Gas Connections page 8 Heater shuts off in use ODS Not enough fresh air is available 1 Open window and or door for ventilation operates Low line pressure 2 Contact local gas company ODS pilot is partially clogged 3 Clean ODS pilot See Cleaning and Mainte nance page 11 Gas leak See WARNING statement at top 1 Locate and correct all leaks see Checking of page Gas Connections page 8 Control valve is defective 2 Replace control valve
19. e can If you don t follow directions on the can you could damage the burner or pilot assembly In addition the directions that follow should also be followed 1 Shut off the unit including the pilot Allow the unit to cool for at least thirty minutes 2 Inspect burner and pilot for dust and dirt 3 Blow air through the port slots and holes in the burner A yellow tip on the pilot flame indicates dust and dirt in the pilot assembly To clean the pilot assembly find the small pilot air inlet hole about two inches from where the pilot flame comes out of the pilot assembly see Pilot Air Inlet Hole in figure 25 With the unit off lightly blow air through the air inlet hole You may blow through a drinking straw if compressed air is not avail able Thermocouple Pilot Flame Oxygen Depletion Ignitor Electrode Sensor Figure 25 CLEANING HEATER CABINET Air passageways e Use a vacuum cleaner or pressurized air to clean exterior e Use a soft cloth dampened with a mild soap and water mixture Wipe the cabinet to remove dust SPECIFICATIONS MHVFB10LP BTU Available 10 000 Type of Gas LP Gas Only Pressure Regulator Setting 10 Inches of Water Inlet Gas Pressure Maximum 14 Inches of Water Inlet Gas Pressure Minimum 11 Inches of Water Burners Orifice nozzles Thermostatic Control Clearances inches mm re 56 015cm 6 152em Floor min to top of carpet 2 51cm Fabric flammable obje
20. ea If you have these signs the heater may not be working properly Get fresh air at once Have heater serviced Some people are more affected by carbon monoxide than others These include pregnant women persons with heart or lung disease or anemia those under the influ ence of alcohol and those at high altitudes Propane LP Gas Propoane LP gas is odorless An odor making agent is added to propane LP gas The odor helps you detect a Propane LP gas leak However the odor added to propane LP gas may be present even though no odor Unvented LP Gas Fired Buddy Wall Mount Heater 2 Installation Instructions and Owner s Manual exists Make certain you read and understand all warn ings Keep this manual for reference It is your guide to safe and proper operation of this heater Product Features Control Knob Burner Heater Cabinet Front Panel Figure 1 SAFETY DEVICE This heater has a pilot with an Oxygen Depletion Sen sor ODS safety shut off system The ODS pilot shuts off the heater if there is not enough fresh air IGNITION SYSTEM PIEZO MHVFB10LP The heater is equipped with a piezo manual ignitor This system requires no matches batteries or other source to light heater LOCAL CODES Install and use heater with care Installation must conform to local codes or in the ab sences of local codes use the latest edition of National Fuel Gas Code ANSI Z223 1 NFPA 54 UNPACKING 1 Remove heater from car
21. eaning and Main tenance page 13 Gas regulator setting is not correct Replace gas regulator Control knob not in pilot position Turn Control knob to pilot position When Piezo ignitor knob is Control knob not fully pressed in Press in control knob fully turned there is a spark at the Control knob not pressed in long enough After ODS pilot lights keep control knob ODS pilot but no ignition pressed in for 30 seconds Equipment shutoff valve not fully open Fully open equipment shutoff valve Thermocouple connection loose at con Hand tighten thermocouple nut until snug trol valve and then tighten 1 4 turn more Pilot flame not touching thermocouple which allows thermocouple to cool caus ing pilot flame to go out This problem could be caused by one or both of the following a Low gas pressure a Contact local gas company b Dirty or partially clogged ODS pilot b Clean ODS pilot see Cleaning and Maintenance page 13 Thermocouple damaged Replace thermocouple Control valve damaged Replace Control valve Burner does not light after Burner orifice is clogged Clean burner orifice see Cleaning and ODS pilot is lit Maintenance on page 13 or replace burner orifice Burner orifice diameter to small Replace burner orifice Inlet gas pressure is too low i Contact local gas company Delayed ignition of burner Manifold pressure is too low Contact local gas company Burner orifice is clogged Clea
22. eater in rooms without enough ventilation air may cause mil dew to form from too much moisture See Fresh Air for Combustion and Ventilation pages 3 through 5 INSTALLATION NOTICE This heater is intended for the use as supple mental heat Use this heater along with your primary heating system Do not install this heater as your primary heat source If you have a central heating sys tem you may run system s circulating blower while us ing heater This will help circulate the heat throughout the house In the event of a power outage you can use this heater as your primary heat source for the duration of the outage N WARNING A qualified service person must install heater Follow all local codes CHECK GAS TYPE Use only LP gas If your gas supply is not LP gas do not install heater Call dealer where you bought heater for proper type heater FOR PERMANENT INSTALLATION Before installing heater make sure you have the items listed below e Piping check local codes e Sealant resistant to LP_Gas e Equipment shutoff valve e Ground joint union e Test gauge connection e Sediment trap e Tee joint e Pipe wrench A CSA AGA certified equipment shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Purchase a CSA AGA certified equipment shutoff valve from your dealer See Accessories page 17 This heater may also be installed with the hose and regulator assembly included with
23. eater will shut down If pilot flame pattern is incorrect as shown in Figure 22 Control Knob e Turn heater off see To Turn OFF Gas to Appli ance page 11 for non thermostat models e See Troubleshooting pages 14 and 15 Pilot Flame Ignitor Electrode N Pilot Burner Thermocouple SS OL T A 4 SIN BURNER FLAME PATTERN a Figure 23 show a correct burner flame pattern Figure Oxygen Depletion ygen vep 24 shows an incorrect burner flame pattern If burner ignitor Electrode Sensor e l flame pattern is incorrect as shown in Figure 24 Oxygen Depletion Oxygen Depletion ignitor Electrode Sensor Sensor e Turn heater off see To Turn OFF Gas to Appli Figure 17 ance page 11 for non thermostat models CAUTION Do not try to adjust heating level by using equipment shutoff valve A WARNING When running heater set control knob at LO or HI locked positions Poor combustion e See Troubleshooting pages 14 and 15 1 2 Steel Panel Height and higher levels of carbon monoxide may result if heater is operated with control knob positioned between locked positions Figure 23 IMPORTANT Release downward pressure while turn ing control knob Control knob must be locked at the desired position TO TURN OFF GAS TO APPLIANCE SHUTTING OFF HEATER 1 Turn control knob clockwise to the OFF posi tion Yellow Tipping Figure 24 2 Turn off equipment shutoff valve SHUTTING OFF BURNER
24. eep all air openings in heater clear free of debris or any blockage This will insure that enough air for proper combustion enters the heater 4 If heater shuts off do not relight until you provide fresh outside air If heater keeps shutting off it requires servicing 5 Turn off and unplug heater and let cool before servic ing Only a qualified service person should service and repair heater 6 Do not run heater e Where flammable liquids or vapors are used or stored e During dusty conditions 7 Before using furniture polish wax carpet cleaner or similar products turn heater off If heated the vapors from these products may create a white powder residue within burner box or on adjacent walls or furniture 8 Do not use heater if any part has been underwater Immediately call a qualified service technician to in spect the room heater and to replace any part of the control system and any gas control which has been underwater 9 Operating heater above elevations of 4 500 feet could cause pilot ODS to shutdown heater 10 Always run heater with control knob in a locked position Never set control knob between locked po sitions Poor combustion and higher levels of carbon monoxide may result if control Knob is left between locked positions DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning resemble the flu with headaches dizziness or naus
25. fects in materials and components for two 2 years from the date of first purchase provided that the product has been properly installed operated and maintained in accordance with all applicable instructions To make a claim under this warranty the Bill of Sale or cancelled check must be presented The warranty is extended only to the original retail purchaser This warranty covers the cost of part s required to restore the heater to proper operating condition and an allowance for labor when provided by an Enerco Group Inc Authorized Service Center Warranty part s MUST be obtained through authorized dealers of this product and or Enerco Group Inc who will provide original factory replacement parts Fail ure to use original factory parts voids this warranty The heater MUST be installed by a qualified installer in accordance with all local codes and instructions furnished with the unit This warranty does not apply to parts that are not in original condition because of normal wear and tear of parts that fail or become damaged as a result of misuse accidents lack of proper maintenance or defects caused by improper installation Travel diagnostic cost labor transportation and any and all such costs related to repairing a defective heater will be the responsibility of the owner TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE OF THE PRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES
26. ions on wall see figure 7 3 Remove tape and mount bracket from wall T Ss D 5 5 17 1 2 Min 3 Mark mounting hole locations and drill holes where indicated Allow for minimum clearances Figure 7 Attaching to Wall Stud For attaching mounting bracket to wall studs 1 Drill holes at marked locations using 9 64 drill bit 2 Place mounting bracket onto wall Line up holes on each end of bracket with hole drilled in wall 3 Insert mounting screws through bracket and into wall studs 4 Tighten screws until mounting bracket is firmly fastened to wall studs Attaching to Wall using Anchor For attaching mounting bracket to hollow walls wall ar eas between studs or solid walls concrete or masonry Note Wall anchors mounting screws and spacer are in hardware package The hardware package is provided with heater 1 Drill holes at marked locations using 5 16 drill bit For solid walls concrete or masonry drill at least 1 deep 2 Fold wall anchor as shown in figure 8 below Figure 8 3 Insert wall anchor wings first into hole Tap anchor flush to wall 4 For thin walls 1 2 or less insert red key into wall anchor 5 Place mounting bracket onto wall Line up holes on each end of bracket with wall anchors 6 Insert mounting screws through bracket and into wall anchors 7 Tighten screws until mounting bracket is firmly fastened to wall Unvented LP Gas Fired B
27. iping system LIGHTING OPERATING INSTRUCTIONS FOR USE WITH HOSE CONNECTED TO A REMOTE CYLINDER MAXIMUM SIZE 20 LBS e This Heater may be used in a Recreational Enclosure or Temporary Construction Work Enclosure with a Remote Refillable Propane Cylinder ONLY when the Cylinder is Located Outdoors and the Heater is Used with Mr Heater Hose assembly supplied e DANGER NEVER bring a refillable propane cylinder indoors A fire or explosion can occur causing property damage serious injury or death e Inspect the hose before each use of the heater If there is excessive abrasion or wear or the hose is cut replace prior to using the heater with one of the Mr Heater Hose assembly supplied see parts list e The propane cylinder must include a listed overfilling protection device as well as a collar to protect the cylin der valve e Heater must be in an upright position during operation e Make sure five position Control Knob is in OFF posi tion e Screw hose connector into regulator on heater and screw connector on other end of hose into a regulated LP gas supply cylinder valve Tighten all hose connec tions e Open valve at LP gas supply cylinder e Check all hose connections for leaks with soapy water at the threaded connection on heater where the hose connector screws into the regulator and at LP gas supply cylinder Pressure Testing Heater Gas Connections 1 Make sure that the heater supply piping sys tem
28. n burner orifice see Cleaning and Maintenance on page 13 or replace burner orifice Unvented LP Gas Fired Buddy Wall Mount Heater 12 Installation Instructions and Owner s Manual TROUBLESHOOTING CON T OBSERVED SYMPTOM POSSIBLE CAUSE REMEDY Burner backfiring during opera 1 Burner orifice is clogged or damaged 1 Clean burner orifice see Cleaning and tion Maintenance on page 13 or replace burner orifice 2 Burner damaged 2 Replace burner 3 Gas regulator defective 3 Replace gas regulator Slight smoke or odor during 1 Residues from manufacturing process 1 Problem will stop after a few hours of initial operation operation Heater produces a whistling 1 Turning control knob to HI position when 1 Turn control knob to LO position and let noise when burner is lit burner is cold warm up for a minute 2 Operate burner until air is removed from line have gas line checked by local gas company 3 Air passageways on heater blocked 3 Observe minimum installation clearances see Figure 4 page6 4 Dirty or partially clogged burner orifice 4 Clean burner orifice see Cleaning and Maintenance on page 13 or replace burner orifice 2 Air in gas line White powder residue forming 1 When heated vapors from furniture polish 1 Turn heater off when using furniture within burner box or on adja wax carpet cleaners etc turn into white polish wax carpet cleaner or similar cent walls or furniture powder residue pro
29. thin 12 of the floor on the wall connecting the two spaces see options 1 amp 2 of fig 2 You can also remove door into adjoin ing room see options fig 2 Follow the National Fuel Gas Code NFPA 54 ANSI 2223 1 Section 5 3 Air for Combustion and Ventilation for required size of ventila tion grills or ducts 12 A Ventilation Or remove Ventilation Gills into Adjoining We door into ponie FF GINS into Adjoining Room Option 2 c L Adjoining Room Room Option 3 Optian 1 Figure 2 AN WARNING Rework worksheet adding the space of the adjoining unconfined space The combined space must have enough fresh air to supply all ap pliance in both spaces VENTILATION AIR VENTILATION CRAWL SPACE Figure 3 Ventilation from Outdoors If necessary provide extra fresh air by using ventilation grills or ducts Connect these items directly to the out Installation Instructions and Owner s Manual doors or spaces open to the outdoors These include attics and crawl spaces Follow the National Fuel Gas Code NFPA 54 ANSI 2223 1 Section 5 3 Air for Com bustion and Ventilation for required size of ventilation grills or ducts IMPORTANT Do not provide openings for inlet or outlet into attic If attic has a thermostat controlled power vent heated air entering the attic will activate the power vent IMPORTANT Vent free heaters add moisture to the air Although this is beneficial installing h
30. ton 2 Remove all protective packaging applied to heater for shipment 3 Check heater for any shipping damage If heater is damaged promptly inform dealer where you bought heater WARNING Even though this heater may be used in enclosures such as ice houses lodges cabins or enclosed porches fresh air for com bustion and ventilations requirements apply the same as below FRESH AIR FOR COMBUSTION AND VENTILATION AN WARNING This heater shall not be installed in a confined space or unusually tight construction un less provisions are provided for adequate combus tion and ventilation air Read the following instruc tions to insure proper fresh air for this and other fuel burning appliances in your home Unvented LP Gas Fired Buddy Wall Mount Heater ESTABLISHING ADEQUATE VENTILATION The following are excerpts from National Fuel Gas Code NFPA 54 ANSI 2223 1 Section 5 3 Air for Com bustion and Ventilation All spaces in homes fall into one of the three following ventilation classifications 1 Unusually Tight Construction 2 Unconfined Space 3 Confined Space This heater must not be installed in a confined space or unusually tight construction unless provisions are pro vided for adequate combustion and ventilation air The information on pages 3 through 5 will help you classify your space and provide adequate ventilation Unusually Tight Construction If your home meets all of the three following criteria
31. uate combustion and ventilation air must be provided Refer to Fresh Air for Combustion and Ventilation section on page 3 of this manual WARNING Improper installation adjustment alteration service or maintenance can cause injury or property damage Refer to this manual for correct installation and operational procedures For assistance or additional information consult a qualified installer service agency or gas supplier ENERCO GROUP INC 4560 W 160 ST CLEVELAND OHIO 44135 216 916 3000 70586 Rev B 04 08 This appliance may be installed in an aftermarket permanently 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 any other gas Aftermarket completion of sale not for the purpose of resale from the manufacturer A WARNINGS IMPORTANT Read this owner s manual carefully and completely before trying to assemble operate or service this heater Improper use of this heater can cause serious injury or death from burns fire explosion electrical shock and carbon monoxide poisoning A WARNING This appliance is equipped for natural or propane gas Field conversion is not permitted A WARNING Do not use any accessory not ap proved for use with this heater WARNING Any change to this heater or its con trols can be dangerous e Do not place clothing or other flamm
32. uddy Wall Mount Heater 6 Installation Instructions and Owner s Manual Placing Heater on Mounting Bracket 1 Locate two horizontal slots on back pane of heater see figure 19 2 Place heater onto mounting bracket Slide hori zontal slots onto stand out tabs on mounting bracket Horizontal Slots Mounting Bracket mounted to wall Mounting Screws Figure 9 Installing Bottom Mounting Screws 1 Locate two bottom mounting screw holes These holes are near bottom on back panel of heater see figure 9 2 Mark screws locations on wall a Remove heater from mounting bracket 4 If installing bottom mounting screw into hol low or solid wall install wall anchors Follow steps 1 through 4 under Attaching to Wall using Anchor If installing bottom mounting screw into wall stud drill holes at marked locations using 9 64 drill bit 5 Re place heater onto mounting bracket 6 Place spacers between bottom mounting holes and wall anchor or drilled hole 7 Hold spacer in place with one hand With the other hand insert mounting screw through bottom mounting hole and spacer Place tip of screw in opening of wall anchor or drilled hole 8 Tighten both screws until heater is firmly se cured to wall Do not over tighten Note Do not re place front panel at this time Re place front panel after making gas connections and checking for leaks CONNECTING TO GAS SUPPLY FOR PERMANENT INSTALLATION AN WARNING
33. you must provide additional fresh air See Ventilation Air from Outdoors page 5 Unusually tight construction is defined as construction where a Walls and ceilings exposed to the outside atmo sphere have a continuous water vapor retarder with a rating of one perm 6 x 10 kg per pa sec m7 or less with openings gasketed or sealed and b Weather stripping has been added on openable win dows and doors and c Caulking or sealants are applied to areas such as joints around windows and door frames between wall ceiling joints between wall panels at penetra tions for plumbing electrical and gas lines and at other openings If you home does not meet all of the three criteria above see Determine the Type of Heater Location Space page 4 Confined Space and Unconfined Space The National Fuel Gas Code NFPA 54 ANSI 2223 1 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 and an unconfined space 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 fur nished with doors are considered a part of the uncon fined space Adjoining rooms are communication only if there are
Download Pdf Manuals
Related Search