Gas-Fired Products HS125NG User's Manual
Contents
1. This appliance is intended to be used primarily for the heating of buildings under construction alteration or repair THE STATE OF CALIFORNIA REQUIRES THE FOLLOWING WARNING WARNING Combustion by products produced when using this product contain carbon monoxide a chemical known to the State of California to cause cancer and birth defects or other reproductive harm Enerco Group Inc Gas Fired Infra Red Portable Construction Heater Operating Instructions and Owner s Manual INSTALLATION INSTRUCTIONS GENERAL READ THESE INSTRUCTIONS CAREFULLY Read and adhere to these instructions DO NOT allow anyone who has not read these instructions to assemble light adjust or operate this heater DO NOT attempt to operate the heater with any gas other than that indicated on the heater nameplate For the U S and or Canada the installation of this appliance must comply with local and or Provincial codes or in the absence of these codes e With the U S National Fuel Gas Code ANSI 2223 1 Latest Edition for Natural and LP Gas operation Models HS125NG MH125LP and HS125LP and with the U S Standard for the Storage and Handling of Liquefied Petroleum Gases ANSI NFPA 58 for LP Gas operation Model MH125LP HS125LP or e with the current Canadian CAN CGA B149 1 AND B149 2 INSTALLATION CODES This heater including hose and regulator assembly if applicable must be inspected before each use and at least annually2. 1 year warranty on the applicable warranties of the suppliers The sole responsibility of Enerco Group Inc under this warranty shall be to replace or repair any part for which a written claim is made to Enerco Group Inc within the time limit of this warranty which is returned upon request to Enerco Group Inc F 0 B Cleveland Ohio or F O B an Enerco Group Inc authorized service facility and which is proved to be defective upon inspection by Enerco Technical Products This warranty shall not apply to any part or product which has been subjected to misuse or neglect damaged by accident or rendered defective by reason of improper installation THIS WARRANTY IS IN LIEU OF ANY AND ALL OTHER WARRANTIES EXPRESSED OR IMPLIED and of any other responsibility of Enerco Technical Products for parts or products sold by Enerco Technical Products including consequential or special damages Enerco Group Inc reserves the right to make changes at any time without notice or obligation in colors specifications accessories materials and models ENERCO GROUP INC 4560 W 160TH ST CLEVELAND OHIO 44135 216 881 5500 Enerco and Mr Heater are registered trademarks of Enerco Group Inc ANSI Z83 7 CGA 2 14 2000 2003 Enerco Mr Heater All rights reserved Enerco Group Inc Gas Fired Infra Red Portable Construction Heater Operating Instructions and Owner s Manual
3. Mak Aeaee N S at NIT t NN A ANNY Propane Hose Enerco Group Inc Gas Fired Infra Red Portable Construction Heater G Operating Instructions and Owner s Manual OPERATING INSTRUCTIONS AND OWNER S MANUAL MR HEATER READ INSTRUCTIONS CAREFULLY Read and HEATSTAR follow all instructions Place instructions in a safe place for future reference Do not allow MH125LP anyone who has not read these instructions to HS125NG HS125LP assemble light adjust or operate the heater WARNING USE ONLY MANUFACTURER S REPLACEMENT PARTS USE OF ANY OTHER PARTS COULD CAUSE INJURY OR DEATH REPLACEMENT PARTS ARE ONLY AVAILABLE DIRECT FROM THE FACTORY AND MUST BE INSTALLED BY A QUALIFIED SERVICE AGENCY PARTS ORDERING INFORMATION PURCHASING Accessories may be purchased at any Mr Heater or HeatStar local dealer or direct from the factory FOR INFORMATION REGARDING SERVICE Please call Toll Free 800 251 0001 www enerco mrheater com Our office hours are 8 30 AM 5 00 PM EST Monday through Friday Please include the model number date of purchase and description of problem in all communication WARRANTY Gas Fired Infra Red Portable Construction Heater HS125NG MH125LP amp HS125LP Enerco Group Inc warrants that Infra Red Heaters manufactured and sold will be free from defects in material and workmanship Parts assemblies controls etc furnished by Enerco Group Inc will carry a one
4. Screen Cover See Cutaway Detail Figure 2 Filter Air Gas Valve Knob REPLACEMENT PARTS LIST FOR MODELS HS125NG MH125LP HS125LP SEE BACK PAGE FOR PARTS ORDERING INFORMATION Figure 1 Combustion Chamber Thermocouple Mounting Brace 4 Pilot Assembly Filter Gas Valve Gas Knob Manifold Figure 2 REF ITEM DESCRIPTION AP EE AE 00332 iiaei Manual Control Valve PEA tise AA 04466 Filter Diffuser Sid visti ate 053632 aaai8 Orifice Pilot MH125LP HS125LP Bo ghetto deep 09352 Thermocouple ERRET oo Gomera Pilot Burner braenar latent 11663 oes Regulator IMH125LP HS125LP TETE 11666 oo Regulator HS125NG e 05374 wes ceesteee Orifice Pilot HS125NG OST ts ot ts CR805 Ignitor Obs ce eae te CR835 Piezo TI eee eee ER820 eee Axle 2 este tghatine CREIS onii Axle Brackets 13 sit ecto tied CR725 rete Handle 14 eee sesh aed CREIO eaten Wheel EE Miata M9005 Valve Supply Tube IGS a M9010 Valve Supply Tube Clamp Vek ee Becks M9015 Burner Manifold iS eee ea M9020 Burner Enerco Group Inc Gas Fired Infra Red Portable Construction Heater 6 Operating Instructions and Owner s Manual GAS FIRED INFRA RED PORTABLE CONSTRUCTION HEATER MODELS HS125NG MH125LP HS125LP Frame Assembly Top Plate Combustion Chamber Mounting Bracket ESRRANY EES
5. materials gasoline and other flammable vapors and liquids at all times The flow of combustion and ventilation air must not be obstructed Cleaning the heater Periodically the heater must be cleaned of all dirt and dust particles N DANGER DO NOT ATTEMPT TO CLEAN THE HEATER WHILE IT IS OPERATING OR WHILE IT IS STILL HOT Turn the heater off and wait until it has completely cooled at least 20minutes before cleaning Clean the outside of the heater using a damp cloth DO NOT clean the heater by spraying water on it Wipe the outside of the heater off with a dry cloth after cleaning Clean the inside of the heater using compressed air Blow air back and forth along all inside surfaces until all dust has been dislodged Clean the orifice of each burner with a 69 drill bit for LP Gas Clean the orifice manually by hand DO NOT use power drill Clean the thermocouple lead DO NOT operate this heater if any part has been under water Call a qualified service person to inspect the appliance and to replace any part of the control system or gas control valve which has been under water This heater must be inspected at least annually by a qualified service person N WARNING Do not exceed 1 2 PSI gas pressure to appliance gas control valve Enerco Group Inc Gas Fired Infra Red Portable Construction Heater G Operating Instructions and Owner s Manual Combustion Chamber Protective
6. where the potential for physical damage to the appliance is reduced to a minimum The owner operator of this appliance must ensure that precautions are taken to protect the appliance from physical damage LIGHTING AND SHUT DOWN Lighting the Heater 1 Before attempting the light the heater smell all around the heater area for gas Be sure to smell next to the floor because LP Gas is heavier than air and will settle on the floor Turn on the gas supply to the appliance and check all fittings and connections for gas leaks using a mild soap and water solution NEVER use a match to check for gas leaks Should a gas leak occur shut off the gas supply to the appliance immediately Wait a minimum of five minutes before repairing the leak 2 Use only the fuel intended for this appliance Check the appliance rating plate for the correct fuel information 3 Turn the gas valve knob clockwise to the OFF position See Fig 1 and Fig 2 for location of appliance parts 4 Wait a sufficient length of time at least five minutes to allow gas which may have accumulated in burner compartment to escape 5 Turn on the main gas supply 6 Turn the gas valve knob counter clockwise to the PILOT position see Fig 1 7a Depress and turn Control Knob counterclockwise to Pilot position and hold for 1 2 minutes This may take longer to purge air from the supply hose depending on the length of the hose being used Depress red spark igni
7. 4560 W 160TH ST CLEVELAND OHIO 44135 216 881 5500 04 04 Revision L1 18666 SPECIFICATIONS MODEL NO eeeee MH125LP HS125 LP HS125NG GAS TY PE sssnessesincestanss cedernnnensevnecses LP Gas Natual Gas MAX INLET PRESSURE 14 IN W C 14 IN W C MIN INLET PRESSURE 11 IN WC oe 7 IN W C MANIFOLD PRESSURE 9 5 IN W C wo 6 IN W C A WARNING DO NOT EXCEED psi 14 w c GAS PRESSURE TO THE GAS CONTROL VALVE VENTILATION N WARNING THIS APPLIANCE IS UNVENTED AND MUST BE USED ONLY IN A WELL VENTILATED AREA The flow of combustion and ventilation air must not be obstructed DO NOT use in a tightly enclosed area Any combustion process requires and consumes oxygen and may produce carbon monoxide This heater must be operated with adequate ventilation Two openings directly to the outdoors must be provided one low and one high preferably on opposite sides of the area to be heated Each of these openings must provide at least three square inches of combustion air intake area and exhaust outlet area for every 1000 BTUs per hour of heater input rate in order to complete the combustion ventilation process Provide additional ventilation for any additional fuel burning appliances and or additional occupants CLEARANCE Minimum clearances to combustible materials Do not exceed the gas supply pressures shown on rating plates The maximum i
8. Model MH125LP HS125LP for use with LP Gas This model may be connected to a self contained LP Gas supply system using the hose and regulator assembly supplied with the appliance OR it may be connected to a permanently installed LP Gas supply system If connected to a self contained LP Gas supply system the hose assembly must be inspected prior to each use of the heater If it is evident that there is excessive abrasion or wear or if the hose is cut it must be replaced prior to the heater being put into operation If connected to a self contained LP Gas supply system the cylinder must have no less than a minimum capacity of 20 pounds and no more than a maximum capacity of 100 pounds of LP Gas DO NOT connect this appliance to a cylinder having less than a nominal 20 pounds capacity of LP Gas DO NOT connect this appliance to more than one 1 100 pound cylinder N WARNING NEVER USE A FORK LIFT TRUCK TYPE CYLINDER The connection of Model MH125LP HS125LP to an LP Gas cylinder must be made in a well ventilated area using the regulator and hose assembly supplied with the appliance DO NOT attempt to adjust this regulator It has been preset at the factory to provide safe and proper operation of the appliance Use a 7 8 open end wrench to connect the POL fitting supplied with the LP regulator to the LP Gas cylinder Turn the POL nut in a counter clockwise direction left hand thread until tight DO NOT use pipe compound
9. OPERATING INSTRUCTIONS AND OWNER S MANUAL MR HEATER READ INSTRUCTIONS CAREFULLY Read and LIE ATSTAR follow all instructions Place instructions in a safe place for future reference Do not allow MH125LP anyone who has not read these instructions to HS125NG HS125LP assemble light adjust or operate the heater GAS FIRED INFRA RED PORTABLE CONSTRUCTION HEATER DO NOT LEAVE HEATER UNATTENDED OR IN OPERATION WHILE SLEEPING X S44 AY OR ey CYLINDER NOT INCLUDED A GENERAL HAZARD WARNING FAILURE TO COMPLY WITH THE PRECAUTIONS AND INSTRUCTIONS PROVIDED WITH THIS HEATER CAN RESULT IN DEATH SERIOUS BODILY INJURY AND PROPERTY LOSS OR DAMAGE FROM HAZARDS OF FIRE EXPLOSION BURN ASPHYXIATION CARBON MONOXIDE POISONING AND OR ELECTRICAL SHOCK ONLY PERSONS WHO CAN UNDERSTAND AND FOLLOW THE INSTRUCTIONS SHOULD USE OR SERVICE THIS HEATER IF YOU NEED ASSISTANCE OR HEATER INFORMATION SUCH AS INSTRUCTION MANUALS LABELS ETC CONTACT THE MANUFACTURER N WARNING FIRE BURN INHALATION AND EXPLOSION HAZARD KEEP SOLID COMBUSTIBLES SUCH AS BUILDING MATERIALS PAPER OR CARDBOARD A SAFE DISTANCE AWAY FROM THE HEATER AS RECOMMENDED BY THE INSTRUCTIONS NEVER USE THE HEATER IN SPACES WHICH DO OR MAY CONTAIN VOLATILE OR AIRBORNE COMBUSTIBLES OR PRODUCTS SUCH AS GASOLINE SOLVENTS PAINT THINNER DUST PARTICLES OR UNKNOWN CHEMICALS A WARNING NOT FOR HOME OR RECREATIONAL VEHICLE USE ENERCO GROUP INC
10. by a qualified service person If the hose for Model MH125LP HS125LP shows evidence of excessive abrasion or wear or if the hose is cut it must be replaced prior to the heater being put into operation The replacement hose assembly shall be that specified by the manufacturer See the parts list LOCATION The heater and LP Gas supply cylinder if applicable must be located on a hard flat level surface to minimize the risk of accidental tipping If an LP Gas supply cylinder is used i e with Model MH125LP HS125LP the cylinder should be adequately restrained to prevent accidental tipping DO NOT operate this heater with the supply cylinder in any other than the upright position This appliance must be installed only in locations where the potential for physical damage to the appliance i e due to physical contact is reduced to a minimum The installer must inform the owner operator of this appliance that precautions must be taken to protect the appliance from physical damage This appliance produces radiant heat Therefore it must be located at least six feet away from any LP Gas container and must not be directed toward any LP Gas container within 20 feet The heater must be installed in a location such that it will not be exposed directly to water spray rain and or dripping water Use of this heater in a draft windy area decreases its efficiency If possible operate the unit in a draft free area PIPING For
11. nlet gas supply pressures and minimum inlet supply pressures for purposes of input adjustment for LP Gas and Natural gas are shown as follows MODEL NO BTU HR RATING NORMAL OPERATING CLEARANCES TO TYPE GAS POSTION COMBUSTIBLES NATURAL LP GAS TOP SIDES BACK MH125LP HS125LP 125 000 VERTICAL 48 60 60 HS125NG 125 000 VERTICAL 48 60 60 Tank size and tank temperature can directly affect BTU output CONTENTS Installation INStrUCtIONS 0 00 eeceeeeeeeeeteeeeeeeetteeeeteeeeteeeees 3 LOCATION soelanana eein eaen E AiE 3 ene T E EEE E 3 Operating INStrUctlONs 0 eee siinasuisiupsi nisinsin senaia 4 Lighting and Shut DOWN seers svessisskidenbaisusinecensessiisusriiak 4 Maintenance Instructions 0 ccecceeeceeteeeseeeeteeeneeeenes 5 Replacement Parts List cccccceceseeeeteeseereseeeeesseeesentenens 6 Service and Parts Ordering Information n s 8 N FOR YOUR SAFETY Do not use this heater in a space where gasoline or other liquids having flammable vapors are stored or used The heater is designed and approved for use as a construction heater under ANSI Z83 7 CGA 2 14 2000 We cannot anticipate every use which may be made of our heaters CHECK WITH YOUR LOCAL FIRE SAFETY AUTHORITY IF YOU HAVE QUESTIONS ABOUT APPLICATIONS Other standards govern the use of fuel gases and heat producing products in specific applications Your local authority can advise you about these
12. on POL threads The heater must be located at least six feet away from any LP Gas cylinder and must not be directed toward any LP Gas cylinder within 20 feet If more than one heater is used they and the supply cylinders must be separated by at least 20 feet The gas supply must be turned off at the LP Gas supply cylinder when the heater is not in use When the heater is to be stored indoors the connection between the LP Gas supply cylinder and the heater must be disconnected and the cylinder removed from the heater and stored in accordance with Chapter 5 of the Standard for the Storage and Handling of Liquefied Petroleum Gases ANSI NFPA 58 U S OR CAN CGA B149 2 Canada If connected to a permanently installed LP Gas supply system the system requires the use of a two stage gas regulator assembly which is normally provided by your LP Gas dealer as part of the LP Gas supply system Consult with your local LP Gas dealer for details concerning proper equipment and installation Enerco Group Inc Gas Fired Infra Red Portable Construction Heater G Operating Instructions and Owner s Manual For Model 125NG for use with natural gas Piping must be clean and free from scale or burrs Install regulator supplied with heater Connect with 1 2 NPT nipple not included to Control Valve Connect the appliance to an appropriately designed and installed fuel supply system This system must include an approved manual shut off valve
13. tion button to light pilot flame repeat until pilot lights and continue to hold Control Knob at Pilot positionfor 30 60 seconds to enable Pilot Light Safety System Fully turn Control Knob to Hi position to light burner or 7b To light the pilot move the lighting hole cover aside see Fig 1 and place a lighted match into the hole Depress the gas valve knob and hold while lighting and observing the pilot burner Ensure that the pilot burner ignites from the match Allow the pilot to burn approximately 30 seconds before releasing the gas valve knob If pilot does not remain lighted repeat the lighting operation allowing a longer period of time before releasing the gas valve knob NOTE In cases where long runs of gas supply lines have been installed ahead of the appliance it may be necessary to bleed trapped air out of the supply lines before lighting the pilot New installations generally require bleed of supply lines Wait a minimum of five minutes after bleeding the supply lines before attempting to light the heater Adjust pilot if necessary as noted under Pilot Burner Adjustment Enerco Group Inc Gas Fired Infra Red Portable Construction Heater 4 Operating Instructions and Owner s Manual 8 Turn the gas valve knob counter clockwise to the ON position see Fig 1 The burner will light DO NOT operate the heater in any other than the full ON position 9 IMPORTANT DO NOT attempt to adj
14. ust the main burner input using the main gas supply valve for this may cause the pilot and thermocouple to shut down the burner Fig 2 Shut down instructions To turn the heater OFF e For short periods of time turn the main burner off by rotating the gas valve knob clockwise to the PILOT position e For extended periods of non use turn the appliance completely off by rotating the gas valve knob clockwise to the PILOT position depress the knob slightly then rotate the knob fully clockwise to the OFF position Note For Model 120L also turn off the gas supply cylinder Pilot burner adjustment 1 Remove the pilot adjustment cap The pilot adjustment cap is a slotted screw located in front of the Pilot designation stamped on top of valve body just below the gas valve knob 2 Adjust the pilot key to provide properly sized flame Rotate the key clockwise to decrease or counter clockwise to increase flame 3 Replace the pilot adjustment cap MAINTENANCE INSTRUCTIONS This heater including hose and regulator assembly if applicable must be inspected before each use If the hose for the Model 120L shows evidence of excessive abrasion or wear or if the hose is cut it must be replaced prior to the heater being put into operation The replacement hose assembly shall be that specified by the manufacturer See the parts list The appliance area must be kept free and clear of combustible
15. which is readily accessible and is located within six 6 feet of the appliance Additionally a sediment trap or drip leg must be located upstream of this manual shut off valve Refer to the appropriate natural gas installation code noted above If a flexible connector is used it must be of an approved type Before attempting to ignite the appliance all gas fittings and connections must be thoroughly checked for gas leaks Apply a small amount of a mild soap and water solution to all fittings and connections and observe for escaping bubbles If any leaks are detected shut off the gas supply to the appliance immediately Wait a minimum of five minutes repair the leak s and retest for leakage Dry all fittings and connections after leak testing A WARNING NEVER USE A FLAME FOR GAS LEAK TESTING OPERATING INSTRUCTIONS N WARNING IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE PERSONAL INJURY OR LOSS OF LIFE N CAUTION THIS APPLIANCE IS HOT DURING NORMAL OPERATION AVOID PHYSICAL CONTACT N CAUTION DO NOT PLACE CLOTHING OR OTHER COMBUSTIBLE MATERIALS ON THIS APPLIANCE DO NOT operate this heater if any part has been under water Call a qualified service technician to inspect the appliance and to replace any part of the control system or gas control valve which has been under water This appliance must be installed and operated only in locations
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