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Honeywell C7650A User Manual

Honeywell C7650A User Manual

Solid state temperature sensor
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GENERAL
C7650A Solid State Thermistor Sensor is used with the
W7459 Solid State Economizer Control Package. The W7459
Solid State Economizer Control Package is usually mounted
on an M7405/M7415 Actuator. It permits the use of outdoor
air as the first stage of cooling in heating, ventilating and air
conditioning (HVAC) systems. The application is for
differential or single temperature economizer control on
HVAC equipment up to approximately 20 tons.
Copyright © 1996 Honeywell Inc. • All Rights Reserved
Solid State Temperature Sensor
FEATURES
• Senses temperature of outdoor air.
• Long lasting thermistor sensing element is accurate
and stable over time.
• When temperature of outdoor air increases, the
outdoor air damper is closed to a preset minimum
position.
• When temperature of outdoor air is low, the outdoor
air damper is opened to reduce the cooling load in the
building.
• Provides 10 to 20 mA output signal to W7459 Solid
State Economizer Control; setpoint is located on solid
state economizer control.
• Sensor is enclosed in a rugged, corrosion-resistant
glass-fiber reinforced plastic case.
• Compact size and lightweight construction provide
easy mounting in HVAC rooftop unit.
General ............................................................................... 1
Features .............................................................................. 1
Specifications ...................................................................... 2
Ordering Information ........................................................... 2
Installation ........................................................................... 2
Operation ............................................................................ 3
C7650A
PRODUCT DATA
Contents
63-2499-1

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Summary of Contents for Honeywell C7650A

  • Page 1 GENERAL • Compact size and lightweight construction provide easy mounting in HVAC rooftop unit. C7650A Solid State Thermistor Sensor is used with the W7459 Solid State Economizer Control Package. The W7459 Solid State Economizer Control Package is usually mounted on an M7405/M7415 Actuator. It permits the use of outdoor air as the first stage of cooling in heating, ventilating and air conditioning (HVAC) systems.
  • Page 2: Specifications

    Honeywell, 1885 Douglas Drive North Minneapolis, Minnesota 55422-4386 In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, 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 Fig. 2. Wiring Connections for C7650A Temperature Sensor. Operation CAUTION The C7650A Solid State Temperature Sensor is used with a solid state economizer control and damper actuator to 1. Before beginning installation, disconnect power proportion an outdoor air damper in a ventilation system.
  • Page 4 C7650A SOLID STATE TEMPERATURE SENSOR Home and Building Control Home and Building Control Honeywell Asia Pacific Inc. Honeywell Inc. Honeywell Limited-Honeywell Limitée Room 3213-3225 Honeywell Plaza 155 Gordon Baker Road Sun Hung Kai Centre P.O. Box 524 North York, Ontario No.