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Honeywell T4800A Product Data

Precision electronic electric heating thermostat
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GENERAL
The T4800A Electric Heating Thermostat provides precise,
accurate line voltage control of resistance-rated heating
equipment. A patented Cool Switch™ design activates the
heating circuit on temperature fall and results in longer life for
the thermostat.
Copyright © 1996 Honeywell Inc. •
T4800A Precision Electronic
Electric Heating Thermostat
FEATURES
• CSA Certified and Performance Certified, Underwriters
• Rugged, molded thermoplastic mounting base with
• Energy efficient and economical.
• Patented electronic switch requires no leveling.
• High sensitivity, solid-state temperature sensing
• Nonpolarized leadwire connections.
• Adjustment range is 40 to 80 F (5 to 25 C).
• Premier White® finish.
• One-piece decorative cover.
• Red LED status indication.
• Suitable for noninductive rated fan-forced heaters,
General ............................................................................... 1
Features .............................................................................. 1
Specifications ...................................................................... 2
Ordering Information ........................................................... 2
Installation ........................................................................... 3
Setting and Checkout .......................................................... 4
Operation ............................................................................ 4
• All Rights Reserved
Laboratories Inc. Listed. Conforms to NEMA standard
DC3 for thermostat accuracy.
captive mounting screws.
element.
radiant cable or convectors.
PRODUCT DATA
CONTENTS
68-0151-1

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  Summary of Contents for Honeywell T4800A

  • Page 1 GENERAL The T4800A Electric Heating Thermostat provides precise, accurate line voltage control of resistance-rated heating equipment. A patented Cool Switch™ design activates the heating circuit on temperature fall and results in longer life for the thermostat. Copyright © 1996 Honeywell Inc. •...
  • Page 2: Ordering Information

    Honeywell, 1885 Douglas Drive North Golden Valley, Minnesota 55422-4386 In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Dr, Scarborough, Ontario M1V 4Z9. International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France, Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
  • Page 3 USE SPECIAL SERVICE CO/ALR SOLDERLESS CONNECTORS WHEN CONNECTING ALUMINUM CONDUCTORS OR A FIRE HAZARD MAY RESULT. BREAKS HEATING CIRCUIT ON A TEMPERATURE RISE. USE A SEPARATE LIMIT CONTROL IN THE HEATING APPLIANCE. Fig. 2. Typical wiring connections for T4800A. BLACK SOLDERLESS CONNECTORS ELECTRIC...
  • Page 4 T4800A PRECISION ELECTRONIC ELECTRIC HEATING THERMOSTAT SETTING AND CHECKOUT IMPORTANT Make sure that all wiring connections are secure before beginning checkout. After the thermostat has been installed and powered up, simulate normal operation as follows: Turn control knob all the way clockwise should light and electric heater should start to warm up.