Mestek M) G 025 Installation And Operation Instructions Manual Download Page 3

 

Form 43471040 

-2- 

Oct 2013

 

1.0)

 

SAFETY 

This heater  is a  self-contained  infrared radiant tube  heater.  Safety  information  required during  installation  and 
operation  of this  heater  is provided  in this  manual  and the  labels  on the  product.  The  installation,  service and 
maintenance  of  this  heater  must  be  performed  by  a  contractor  qualified  in  the  installation  and  service  of  gas 
fired heating equipment. 

All personnel in contact with the heater must read and understand all safety information, instructions and labels 
before operation. The following symbols will be used in this manual to indicate important safety information. 

SAFETY

SAFETY

SAFETY

SAFETY    REQUIREMENTS

REQUIREMENTS

REQUIREMENTS

REQUIREMENTS    

••••

 

The  heater  area  must  be  kept  clear  and  free  from  combustible  materials,  gasoline  and  other  flammable 
vapors and liquids. 

••••

 

This heater is designed for use with one type of gas (LPG or Natural). Make sure that the type of gas to be 
supplied to this heater matches that shown on the heater rating plate. 

••••

 

DO  NOT

DO  NOT

DO  NOT

DO  NOT  install  this heater directly  onto  an  LPG container  or  propane  cylinder  without directions  from your 
propane company.  LPG  containers  (propane  cylinders) must  not be  stored  indoors  or  in the  vicinity  of  any 
gas-burning appliance. 

••••

 

Children and adults should be alerted to the hazards of high surface temperatures and should stay away to 
avoid burns or clothing ignition. 

••••

 

Clothing or other flammable materials should not be hung from the heater or placed on or near the heater. 

••••

 

Young children should be carefully supervised when they are in the same space as the heater. 

••••

 

NEVER

NEVER

NEVER

NEVER attempt to  service  the  heater  while  it  is  plugged  in,  operating  or hot.  Any  guard  or  other protective 
device removed for servicing a heater must be replaced prior to operating the heater. 

 

Warning

Warning

Warning

Warning instructions must be followed to prevent or avoid hazards which 
may cause serious injury, property damage or death. 

 

    

 

Caution

Caution

Caution

Caution  instructions  must  be  followed  to  prevent  incorrect  operation  or 
installation  of  the  heater  which  may  cause  minor  injury  or  property 
damage.    

2.0)

 

INSTALLER RESPONSIBILITY 

The installer is responsible for the following: 

••••

 

The  heater  and  venting, as  well  as  electrical and  gas  supplies  must  be  installed  in accordance  with  these 
installation instructions and any applicable codes and regulations. 

••••

 

Every  heater  shall  be  located  with  respect  to  building  construction  and  other  equipment  so  as  to  permit 
access to the heater.  

••••

 

Each installer must follow the clearances to combustible materials for the heaters. 

••••

 

Install  the  heater  so  that  the  supports  and  hangers  are  correctly  spaced  in  accordance  with  these 
instructions. The heater must be supported by materials having a working load limit of at least 115lbs. 

••••

 

Supply the owner with a copy of these Installation and Operation Instructions. 

••••

 

Where unvented heaters are used, gravity or mechanical means shall be provided to supply and exhaust at 
least 4 CFM per 1,000 Btu/hr input of installed heaters. 

••••

 

Never use the heater as a support for a ladder or other access equipment. Do not hang anything from the 
heater. 

••••

 

Supply all installation materials necessary that are not included with the heater. 

••••

 

Check  the  nameplate  to  make  sure  that  the  burner  is  correct  for  the  gas  type  in  the  building  and  the 
installation altitude.  

3.0)

 

GENERAL INFORMATION 

This heater is a self-contained infrared radiant tube heater for use in locations where flammable gases or vapors 
are not generally present (as defined by OSHA acceptable limits) and is intended for space heating of garages, 
vestibules and entry ways, workshops, enclosed patios, golf practice ranges and most industrial and commercial 
applications.  DO  NOT

DO  NOT

DO  NOT

DO  NOT  install  this  heater  in  residential  bedrooms  or  bathrooms,  mobile  homes  or  recreational 

vehicles. 

Summary of Contents for M) G 025

Page 1: ...DO NOT DO NOT DO NOT touch any electrical switch DO NOT DO NOT DO NOT DO NOT use any telephone in your building IMMEDIATELY IMMEDIATELY IMMEDIATELY IMMEDIATELY call your gas supplier from a neighbor s...

Page 2: ...19 0 Cleaning and Annual Maintenance 34 20 0 Troubleshooting Guide 35 21 0 Replacing Parts 38 21 1 Removal of Spark Electrode 38 21 2 Removing Main Burner and Gas Valve 39 21 3 Air Switch Pressure Ch...

Page 3: ...g Warning Warning instructions must be followed to prevent or avoid hazards which may cause serious injury property damage or death Caution Caution Caution Caution instructions must be followed to pre...

Page 4: ...allation of this appliance is to be in accordance with latest edition of CSA B149 1 Natural Gas and Propane Installation Code b For installation in public garages or aircraft hangars the minimum clear...

Page 5: ...mbient temperature damaged by temperatures 90 F above ambient temperature damaged by temperatures 90 F above ambient temperature Clearances to combustibles are posted on the Clearances to combustibles...

Page 6: ...urrent Current Current Current Rating Rating Rating Rating Natural or Propane MPT Male 3 4 Round 4 Round 120 Volt 60Hz 1 Phase 2 6 Amp Fuse Fuse Fuse Fuse Rating Rating Rating Rating Ignition System d...

Page 7: ...2 STAGE CONTROLS STAGE CONTROLS STAGE CONTROLS STAGE CONTROLS BEACON MORRIS BEACON MORRIS BEACON MORRIS BEACON MORRIS MODEL NO MODEL NO MODEL NO MODEL NO PART NO PART NO PART NO PART NO GAS TYPE GAS...

Page 8: ...available for use to reduce the clearances to combustibles below the heater Refer to the Minimum Clearances to Combustibles Table Minimum Clearances to Combustibles Table Minimum Clearances to Combust...

Page 9: ...iew Bottom View Hanger Bracket QTY 2 Emitter Tube Reflector 8 FT Body Section 18 1 2 470mm 7 1 2 191mm Plastic Vacuum Air Tube 1 4 O D Tube Strain Relief Bushing Motor Leads Sight Glass 1 2 MPT Gas Co...

Page 10: ...upport hanger bracket U bolt clamp 5 16 Hex nuts 3 OD x 8 tube Mounting flange 12 radial holes Mounting flange 12 radial holes Suspension chain with turnbuckle Reflector foot end 5 1 2 80 10 1 2 Refle...

Page 11: ...ovide sufficient lengths or swing joints to compensate for expansion See Figures b and c 5 Heaters subject to vibration must be provided with vibration isolating hangers 6 Heaters must not be supporte...

Page 12: ...ing to Section 7 0 using proper suspension method see Section 9 0 1 1 80 chains for suspension 80 Suspension Chain 18 1 2 18 1 2 1 Trapeze Method Trapeze Method Trapeze Method Trapeze Method Individua...

Page 13: ...5 Attach the control box to the right hand control tube flange and secure with 1 4 20 locknuts The control box must be mounted with the perforated fresh air plate on top facing the ceiling 6 Attach t...

Page 14: ...n detail which allows the reflector to clamp installation detail which allows the reflector to clamp installation detail which allows the reflector to slide under the clamp during heater operation sli...

Page 15: ...that the gas fuel on the burner rating plate matches the fuel for the application 3 Check that the gas supply piping has the capacity for the total gas consumption of the heaters and any other equipm...

Page 16: ...n a tubular type infrared heater per the standard for Connectors A gas connector certified for use on a tubular type infrared heater per the standard for Connectors for Gas Appl for Gas Appl for Gas A...

Page 17: ...he tapped hole Connect the test gauge to the nipple Turn on the gas supply 1 STAGE CONTROLS Pressure Regulator Adjustment under cap screw 1 8 NPT Inlet Pressure Tap with 3 16 Hex Allen Wrench Plug 1 8...

Page 18: ...FOLD PRESSURE MANIFOLD PRESSURE MANIFOLD PRESSURE SUPPLY PRESSURE SUPPLY PRESSURE SUPPLY PRESSURE SUPPLY PRESSURE Minimum Minimum Minimum Minimum Maximum Maximum Maximum Maximum Natural Gas 3 5 W C 5...

Page 19: ...OUND NEUTRAL 120V Motor Lead Wires Motor Lead Wire black Motor Lead Wire white INCOMMING POWER SUPPLY CONNECTION 2 STAGE CONTROLS INCOMMING POWER SUPPLY CONNECTION Viewed From Inside Control Box Draft...

Page 20: ...24 V pressostat Robinet gaz cartement d lectrode 4 7 mm Haute tension Armoire de commande Moteur d amorce d aspiration S il faut remplacer un fil de l appareil d origine utiliser exclusivement des fil...

Page 21: ...THERMOSTAT SINGLE HEATER PER THERMOSTAT SINGLE HEATER PER THERMOSTAT WIRE LEGEND ENGLISH FRANCAIS BK BLACK NOIR W WHITE BLANC R RED ROUGE BL BLUE BLEU G GREEN VERT V VIOLET VIOLET A AMBER AMBRE 42706...

Page 22: ...ing the supply circuit to the heater wiring material having a minimum size of 14 AWG and a temperature rating of at least 90 C shall be used 3 A replaceable 2 amp fuse 1 1 4 long is located inside the...

Page 23: ...W When connecting the supply circuit to the heater wiring material having a minimum size of 14 AWG and a temperature rating of at least 90oC shall be used S il faut remplacer un fil de l appareil d or...

Page 24: ...ATERS PER THERMOSTAT MULTIPLE HEATERS PER THERMOSTAT MULTIPLE HEATERS PER THERMOSTAT Ground N Neutral L1 Hot 120V Fused Disconnect Switch Continue To Additional Heaters 24 V Transformer 1 5 VA rating...

Page 25: ...L1 Hot 120V Fused Disconnect Switch Continue To Additional Heaters 24 V Transformer 1 5 VA rating per relay field supplied 24 V Continue To Additional Heaters Control Box High Fire Manual Switch fiel...

Page 26: ...ocal codes 2 A vent passing through a combustible roof shall extend through an approved clearance roof thimble Double wall Type B vent must be used for the portion of the vent system which passes thro...

Page 27: ...m height specified in the following table These minimum heights may be used provided the vent is not less than 8 feet 2 4m from any vertical wall or similar obstruction 2 All other gas vents shall ter...

Page 28: ...ecify the appropriate number of 24 inch sections of single wall vent pipe and elbows when ordering Vent Pipe Part 30497240 90 Elbows Part 30498040 and 45 Elbows Part 30499040 3 Avoid locating elbows i...

Page 29: ...ipe should be insulated flue pipe or double wall Type B vent 3 Avoid unnecessary bends Limit to two 2 90 elbows 4 The entire length of vent connector shall be readily accessible for inspection cleanin...

Page 30: ...ING UNVENTED HEATERS UNVENTED HEATERS UNVENTED HEATERS UNVENTED HEATERS COMMERCIAL AND INDUSTRIAL INSTALLATIONS ONLY COMMERCIAL AND INDUSTRIAL INSTALLATIONS ONLY COMMERCIAL AND INDUSTRIAL INSTALLATION...

Page 31: ...and discarding the perforated cover and discarding the perforated cover and discarding the perforated cover and discarding the perforated cover An approved vent cap must be placed directly on the end...

Page 32: ...rsaCap Type B 4 Diameter Single Wall Pipe Flashing 1 2 12mm fall per 20ft 6m toward vent terminal Horizontal Through Sidewall 6 15cm Minimum 4 Starting Collar field supplied 3 ft 91cm Minimum Vertical...

Page 33: ...he gas and electrical supply NOTE NOTE NOTE NOTE T T T The lighting and shutdown instructions are also shown on the perman he lighting and shutdown instructions are also shown on the perman he lightin...

Page 34: ...Restrainter Nipple 5 Long 9 Terminal Block and Shield 10 Air Switch 11 Relay 2 stage only 12 Gas Valve 13 3 Pole Terminal Block 2 stage only 14 Orifice 15 Thermostat Connection Block 2 stage only 16...

Page 35: ...are not leaking Check the gas connection to the heater for any signs of damage fatigue or corrosion If there are any signs of damage to the gas connection or leaks found in the gas piping immediately...

Page 36: ...Are they clear and unobstructed Check the pressure at the air switch Is it higher than the minimum required Is the red wire from transformer securely connected to air switch terminal C Move the red w...

Page 37: ...it 24 vac No Yes Move the white wire to the transformer terminal Is the fuse OK on ignition module Yes No Replace the fuse Yes Is there a spark across igniter sensor gap Yes No Is the ground wiring be...

Page 38: ...ck the spark gap Is it 3 16 No Yes Adjust the spark gap to 3 16 Has all the air been purged from the gas supply lines No Yes Purge the gas supply line Check the inlet pressure to the gas valve Is it b...

Page 39: ...Refer to the Replacement Parts Guide in Section 23 0 for all replacement parts 21 1 REMOVAL OF SPARK ELECTRODE A 1 3 2 4 6 5 Access panel only opens to 90 3 16 1 Disconnect electrical supply and open...

Page 40: ...e 0 16 WC Connector Tee Digital or Inclined Water Manometer scale 0 2 w c Temporary 1 4 ID Silicone plastic tubing for pressure test Control Box Air sensing tube bracket 1 Open hinged access panel 2 A...

Page 41: ...l to gas valve d Replace spark module if fuse and power are OK IGNITION MODULE DIAGNOSTICS IGNITION MODULE DIAGNOSTICS IGNITION MODULE DIAGNOSTICS IGNITION MODULE DIAGNOSTICS Fenwal 35 Fenwal 35 Fenwa...

Page 42: ...reely and is not rubbing housing Blower wheel may have worked loose from shaft and jammed against housing d Check for blower wheel damage replace if necessary If no damage readjust blower wheel on sha...

Page 43: ...03721000 Motor 1 3 30347000 Motor Spacer 4 per motor 4 4 42740000 Motor Plate 1 5 03723000 Blower Wheel 1 6 43221000 Draft Inducer Gasket 1 7 42744000 Sensing Tube Draft Inducer 1 8 42742000 Sensing T...

Page 44: ...al Gas 1 34 30333260 Valve VR8205Q 3827 10 W C 4 W C Propane Gas 1 35 42701000 Orifice Fitting Test Gauge Connection 1 37 03259xxx xxx xxx xxx Main Burner Orifice State Model Gas Type for Size State M...

Page 45: ...position d arret OFF pour une periode de 60 sec a fin d interrompre le processus de securite 5 Si l appareil ne s allume pas fermez le gaz completement pour une period de 5 min avant d effectuer une n...

Page 46: ...ater 6 42762010 Reflector control end 7 42761010 Reflector foot end 8 44028132 7 1 2 Tube Replacement Kit 3 OD ALC w one 12 radial hole flange 9 42764000 U Bend 3 OD x 3 3 4 centerline radius 10 02251...

Page 47: ...low the heater from combustible materials 43344970 Oct 2013 Installation Code and Annual Inspections Installation and Service of Mestek equipment must be performed by a qualified contractor and confor...

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