Tutco SureHeat Max HT Operating Instructions Manual Download Page 11

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OPERATING INSTRUCTIONS

11/26/2019

Element Life Curve

(This is published by the element wire manufacturer. It is considered typically and not a guaranteed life)

The life of a TUTCO SureHeat heater is directly based on the temperature of the filament wire. The curve
below shows that 5000 hours of life can be obtained by maintaining a filament temperature below 1900°F
(1038

C). Also note that the element does not fail until it reaches more than 2200°F (1204

C)!

Summary of Contents for Max HT

Page 1: ... READ THIS MANUAL BEFORE USE Safety SHOCK HAZARD Only qualified individuals should install this heater and related controls Follow all applicable electrical codes and use proper wiring BURN FIRE EXPLOSION HAZARD Do not use in hazardous environments and or near explosive or reactive gases or combustible materials Avoid contact with the heater or exit accessories during or soon after operation DO NO...

Page 2: ... or which shall have been subjected TUTCO SureHeat shall be liable under this warranty only if A TUTCO SureHeat receives notice of the alleged defect within sixty 60 days after the date of shipment B the adjustment procedure hereinafter provided is followed and C such products are to TUTCO SureHeat s satisfaction determined to be defective THE WARRANTY SET FORTH IN THE PRECEDING PARAGRAPH IS EXCLU...

Page 3: ...xit Air Temperature 1652 F 900 C Minimum Airflow Recommended 18 SCFM 510 SLPM Exit Air Connection 1 1 2 FNPT Inlet Air Connection 1 1 4 FNPT Safety Approvals UL Recognized CE Control Limit Sensors Type K isolated ungrounded exposed junction TCs S1 measures inlet temperature Dual Probe Type K isolated ungrounded exposed junction TC both used to measure exit temperature General Information Environme...

Page 4: ...s come out of the housing Failure to install the heater in its proper orientation can result in heater damage and is not covered under the manufacturer s warranty Heater Dimensions WARNING Avoid Damage to Housing 3 8 NPT Sensor 4 ft lb 3 4 NPT Power 25 ft lb 1 1 4 NPT Air 7 ft lb Excessive force will crack housing and void warranty ...

Page 5: ...ate at safe voltages as shown on the Performance Curves see page 9 Excess voltage will cause premature failure 3 If using a process air temperature thermocouple other then one of the supplied K thermocouple probes it is highly recommended that one of the exit thermocouples be used with a temperature limiting board to protect against over temperature protection TUTCO SureHeat Part F076359 set to 16...

Page 6: ...ed to verify the closed loop control PID settings are properly set Overshoot and oscillating process temperature should be avoided to ensure long heater element life Contact the factory for assistance if needed ii INLET PRESSURE FLOW SWITCH CONTROL Shuts the MAIN TEMP CONTROL output signal off is the heater is not supplied enough airflow The MINIMUM airflow needed to avoid damaging the heater is 1...

Page 7: ... Angle Fired SCR 4 20mA Input F076361 Exit Temperature Control 1 16 DIN Digital Temperature Control 4 20mA Output F076359 Inlet Exit Limit Control Exit Limit Control with Relay Output 0 1000 C WIRING DIAGRAM Max HT EXIT TEMP ALARM RELAY TO OPEN AT 905 C INLET LIMIT RELAY TO OPEN AT 150 C OTHER SETTTINGS MAY DAMAGE HEATER AND VOID WARRANTY ...

Page 8: ...ested to verify the closed loop control PID settings are properly set Overshoot and oscillating process temperature should be avoided to ensure long heater element life Contact the factory for assistance if needed 6 If using a closed loop system turn on power to the temperature and power controller then set the desired temperature on the temperature controller It is recommended to use a ramp rate ...

Page 9: ...OPERATING INSTRUCTIONS 11 26 2019 9 Performance Curves ...

Page 10: ... tag out procedures a For Troubleshooting Heater i Use multi meter to check continuity between 1 Power terminals H1 H2 H2 H3 and H1 H3 2 Thermocouples positive yellow to negative red ii If there is continuity on all above tests check system wiring 1 Crossed thermocouple wires 2 Reversed thermocouple wire polarity Note RED is NEGATIVE 3 Verify inlet air temperature is below set point on INLET TEMPE...

Page 11: ...ically and not a guaranteed life The life of a TUTCO SureHeat heater is directly based on the temperature of the filament wire The curve below shows that 5000 hours of life can be obtained by maintaining a filament temperature below 1900 F 1038 C Also note that the element does not fail until it reaches more than 2200 F 1204 C ...

Page 12: ...er NH 03833 USA Phone 800 258 8290 or 603 418 7662 Website www tutcosureheat com E mail support tutcosureheat com The technical data and specifications supplied in this operating manual are subject to change without prior notice Contact TUTCO SureHeat for additional assistance ...

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