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ISSUE DATE 10-09-03        REV. DATE 12/17        REV. LEVEL:  17     ECO 1-7383            OIPM P/N 8329   

TPI Corporation

P.O. Box 4973

Johnson City, 37602

WWW.TPICORP.COM

 

MTM

 

Models ‘TH’, ‘THSS’ and ‘THA’

Series 222,223,342,343,462,463

2 and 3 Lamp Units

OVERHEAD ELECTRIC INFRARED HEATER

IMPORTANT SAFETY INFORMATION INSIDE

• 

Serious injury or death possible

• 

Read, understand, and follow all safety 

information and instructions in this manual 

before using or servicing this product.

• 

Retain these instructions for future reference.

REFER TO 

COMPLETE 

INDEX OF 

INFORMATION 

ON

PAGE 2

MODELS TH AND THSS

MODEL THA

Summary of Contents for 222 Series

Page 1: ... 342 343 462 463 2 and 3 Lamp Units OVERHEAD ELECTRIC INFRARED HEATER IMPORTANT SAFETY INFORMATION INSIDE Serious injury or death possible Read understand and follow all safety information and instructions in this manual before using or servicing this product Retaintheseinstructionsforfuturereference REFER TO COMPLETE INDEX OF INFORMATION ON PAGE 2 MODELS TH AND THSS MODEL THA ...

Page 2: ... Models 223 343 463 Page 12 Maintenance Troubleshooting Page 13 Optional Recessed Mounting Frame Installation Page 14 Optional Wire Guard Installation Models TH and THSS Page 15 Optional Wire Guard Installation Models THA Page 16 ATTENTION The table to the right provides definitions of the signal words that can be found throughout this manual These signal words are used to express the severity of ...

Page 3: ...has been turned off as some parts may be hot enough to cause injury Make certain that the power source conforms to the electrical requirements of the heater Disconnect power before installing or servicing If the power disconnect is out of sight lock it in the open position and tag it to prevent unexpected application of power Failure to do so could result in fatal electric shock WARNING DO NOT DEP...

Page 4: ...foreign objects to enter any ventilation or exhaust opening as this may cause an electric shock or fire or damage to the heater 8 To prevent a possible fire do not block air intakes or exhaust in any manner 9 A heater has hot and arcing or sparking parts inside Do not use it in areas where gasoline paint or flammable vapors or liquids are used or stored 10 Use this heater only as described in this...

Page 5: ...ph 4800 16 382 24 21 1 2 11 23 1 2 220 1 or 3ph 240 1 or 3ph 277 1 or 3ph 380 1 or 3ph 480 1 or 3ph 342 2 208 1ph 5000 17 065 33 15 11 32 1 2 240 1ph 277 1ph 480 1ph 600 1ph 343 3 208 1 or 3ph 7500 25 298 33 21 1 2 11 32 1 2 240 1 or 3ph 277 1 or 3ph 480 1 or 3ph 600 1 or 3ph 462 2 480 1ph 7300 24 915 46 15 11 45 1 2 600 1ph 7600 463 3 380 1 or 3ph 10950 37 372 46 21 1 2 11 45 1 2 480 1 or 3ph 600...

Page 6: ...e specifications for electrical equipment should be engaged to install Fostoria MTM systems Consult local building inspectors fire marshals your local Fostoria representative or the factory for guidance INSTALLER RESPONSIBILITY National and local codes and ordinances together with specifications provided by Fostoria Industries comprise the information needed for proper installation The installer m...

Page 7: ...TDOOR APPLICATION CHART INDOOR SPOT HEATING One 1 watt per square foot is equal to One 1 degree temperature rise When comfort spot heating people two heaters should be used to heat both sides of the individual Heater installation shall comply with all OIPM NEC and local restrictions MODEL SERIES RECOMMENDED MOUNTING HEIGHT FT A COVERAGE OF HEATER LENGTH X WIDTH FT WATT PER SQUARE FOOT TEMPERATURE ...

Page 8: ...2 UNITS SHOWN Multiple Heaters may be butted together on end surfaces C C 24 FROM A VERTICAL OR COMBUSTIBLE SURFACE OR 36 FROM ANOTHER HEATER END VIEW 0 45 DEGREE TILT B Dimension 2 Lamp units 72 for a single unit 72 for 2 or more heaters being mounted end to end 3 Lamp units 72 for a single unit 96 for 2 or more heaters being mounted end to end C Dimension TYP BOTH SIDES AND ENDS 24 FROM A VERTIC...

Page 9: ...d mounting angle see figure B 3 Place 1 10 32 x screw through the slot in the adjustment hanging bracket and the hole in the top wire channel Place 1 10 32 lock nut on the screw and tighten 4 Tighten 10 32 lock nuts from step 1 5 Hook heater body into mounted wire channel cover Unit will hang freely by the T tabs leaving both hands free to wire unit see figure C 6 Close wire channel using the 4 or...

Page 10: ...l screws see figure B 5 Tighten terminal screws see figure B CAUTION Do not draw pigtail so tight that pressure is put on heating element Maintain a partial loop or looseness in the pigtail 1 2 max see FIGURE B NOTE Cut excess pigtail off at terminal to prevent lead from touching metal parts 6 Install end caps using sheet metal screws supplied in parts kit Note The Mul T Mount heaters are designed...

Page 11: ...ires from one end of heater to L1 and the remaining wires from the other end to L2 in the control panel TWO STAGE WIRING Two stage operation allows one or both lamps in the heater s to be energized depending on the signal from an appropriate two stage control device e g two stage thermostat This will allow the heater s to operate at 50 on 100 on or 100 off instead of limiting the operation to 100 ...

Page 12: ... are shipped wire tied together Remove the wire tie before making electrical connections Wiring connections should always be made through one of the knockouts in the top wire channel Consult the factory or a qualified electrician for details on staging Refer to Figure A on page 9 Supply wires must be copper and rated for at least 90º C Wire connectors should also have a minimum rating of 90º C For...

Page 13: ...objects in violation of the clearance to combustibles If additional service to the heater is required contact the factory or your local representative TROUBLESHOOTING SYMPTOM POSSIBLE CAUSE S CORRECTIVE ACTION Element does not energize 1 Defective element 2 Improper connection 3 Pigtail loose from socket connection 1 Replace element 2 Check connection to power source 3 Rewind or re insert pigtail ...

Page 14: ...n the RMF 462 A and RMF 463 SS units Tabs will center frame in opening CAUTION To maintain required clearance above heater refer to minimum clearances to combustible on page 8 FIELD WIRING CONNECTIONS A Select the appropriate knockout on the top wiring channel and install a 12 conduit nipple and splice box customer supplied B Route the leads from the wiring channel through the conduit and connect ...

Page 15: ...ed on the loops of the lamp guard see Detail A below 2 Attach the lamp guard to the heater using the 8 sheet metal screws provided MAINTENANCE CAUTION Disconnect power before installing or servicing If the power disconnect is out of sight lock it in the open position and tag it to prevent unexpected application of power Failure to do so could result in fatal electrical shock To service the heater ...

Page 16: ...k on the bottom of the extrusion 2 Secure wire guard with the provided screw s into the end cap of the heater being carefull not to strip screws Heater Series Wire Guard Part Number 222 THA 222 04898602 223 THA 223 04898702 342 THA 342 04898802 343 THA 343 04898902 462 THA 462 04899002 463 THA 463 04899102 Optional Wire Guards For THA Series 16 ...

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