Tutco SureHeat Serpentine II Operating Manual
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Tutco SureHeat Serpentine II Operating Manual

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Serpentine II
and Serpentine VI
Air Heaters

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Summary of Contents for Tutco SureHeat Serpentine II

  • Page 1 Serpentine II and Serpentine VI Air Heaters...
  • Page 2 Two heater sizes are available; the Serpentine II (wattages from 2000 to 3600W) and the Serpentine VI (wattages from 5000 to 8000W). If operated correctly, element life will be greater than 5000 hours.
  • Page 3 WARNINGS! TUTCO SureHeat Process Air Heaters contain high watt-density elements and must be controlled carefully to prevent element failure. IMPORTANT: Be sure to read and understand this operating manual before turning the system ON. Follow all checklists shown in the manual. Failure to do so can cause a heat- er failure and may void warranty.
  • Page 4 HEATER MODELS AND PARTS LIST Serpentine II Elements (used with Housing/Exchanger Part #F029763) Part Maximum Maximum Maximum Maximum Maximum Number Watts Volts Amps Pressure (PSI) Temperature* F029765 2000 1400ºF / 760ºC F029766 2800 11.7 1400ºF / 760ºC F029767 3600 15.0 1400ºF / 760ºC...
  • Page 5 NOTE: The inlet side of the heater is located where the leads/power feedthrus 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 Cartridge: Serpentine II Elements Serpentine VI Elements Part Part...
  • Page 6 PRECAUTIONS Use filtered air. Avoid grease, oil, or oil vapors, corrosive or reactive gases which will damage heater. Operate at safe voltages as shown on the Performance Curves (see page 8). Excess voltage will cause premature failure. Always have sufficient airflow through the heater before applying power. Otherwise element will overheat very quickly, and burn out.

  • Page 7: Installation

    OPTIONAL EXTERNAL THERMOCOUPLE PLACEMENT If a thermocouple is used, ensure that it is located within one inch from the heater exit. Tutco SureHeat recommends using an exposed junction type K thermocouple like Part # F039272. Contact Tutco SureHeat for specifications.

  • Page 8: Typical Wiring

    TYPICAL WIRING Temp Power Control Control TC – Output – TC + – Heater...

  • Page 9: Operation

    OPERATION START-UP REFERENCE PERFORMANCE CURVES TURN ON AIR Beginning on page 10 prior to operating heater. Set pressure or flow to desired operating level. ENERGIZE MAIN POWER LINE SET DESIRED TEMPERATURE Via disconnect switch or circuit breaker on control cabinet. CONTROL AIRFLOW Ensure airflow is on before voltage is applied to heater.

  • Page 10: Performance Curves

    PERFORMANCE CURVES SERPENTINE II ELEMENTS The performance curves on the following pages show exit air temperatures at different airflows and voltages. Pressure readings (longer dashed lines) are measured at the inlet to the heater with no entrance or exit restrictions. Solid lines indicate safe, normal-life operating conditions. The shorter dash lines indicate marginal, shorter-life operating conditions leading to premature burnout.
  • Page 13 SERPENTINE VI ELEMENTS...
  • Page 16 3. Verify inlet air temperature is below set point on INLET TEMPERATURE controller. iii.) If there is no continuity on any test, then contact your local TUTCO SureHeat representative for assistance. Remove entire heater assembly from system. Internal components are typically not replaceable.
  • Page 17 (0% output) before the contactor is engaged and immediately applying full power. 4 Use proper closed loop control (PID) settings. TUTCO SureHeat typically uses the following PID; Proportional (P), Integral (I) and Derivative (D); settings as a starting point for stable temperature control.

  • Page 18: Limited Warranty

    LIMITED WARRANTY TUTCO SureHeat warrants that all products to be delivered hereunder will be free from defects in material and workmanship at the time of delivery. TUTCO SureHeat’s obligation under this warranty shall be limited to (at its option) repairing, replacing, or granting a credit at the prices invoiced at the time of shipment for any of said products.
  • Page 19 Textiles Electric Industrial Air Heaters for Demanding High-Temperature Applications The technical data and specifi cations supplied in this operating manual are subject to change without prior notice. Contact TUTCO SureHeat for additional assistance. 603-418-7662 support@tutcosureheat.com orders@tutcosureheat.com 22 Industrial Drive Exeter, NH 03833 USA...

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Serpentine vi

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