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Honeywell C7660 Product Data

Selectable temperature sensor for economizers
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C7660
Selectable Temperature Sensor
FOR ECONOMIZERS

GENERAL

C7660 Selectable Temperature Sensor is used with the
W7459, W7215, W7212, W7213 and W7214 Economizer
Controls. The economizer controls are mounted on an M7415/
M7215 Actuator. They permit the use of outdoor air as the first
stage of cooling in heating, ventilating and air conditioning
(HVAC) systems.
The C7660 Selectable Temperature Sensor is only to be used
with single temperature change over with the sensor located
in the outdoor air.

FEATURES

• Senses temperature of outdoor air and provides a
signal to economizer control with OK or not OK to
economize.
• Selectable dip switch provides 8 change over
temperature options.
• When temperature of outdoor air is below change over
temperature, the outdoor air damper is opened to
reduce the cooling load in the building.
• Provides 4 OR 20 mA output signal to economizer
control; At 4 mA not OK to economize, 20 mA OK to
economize.
• Highly accurate microprocessor control.
• Sensor is enclosed in a rugged, corrosion-resistant
plastic case.
• Replaces C7650 temperature sensors and the control
function of temperature change over in the economizer
control.
General ............................................................................. 1
Features ............................................................................ 1
Specifications .................................................................... 1
Ordering Information ......................................................... 2
Installation ......................................................................... 2
Operation .......................................................................... 3
PRODUCT DATA
Contents
63-2670EF-01

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  Summary of Contents for Honeywell C7660

  • Page 1: Table Of Contents

    M7215 Actuator. They permit the use of outdoor air as the first stage of cooling in heating, ventilating and air conditioning (HVAC) systems. The C7660 Selectable Temperature Sensor is only to be used with single temperature change over with the sensor located in the outdoor air.
  • Page 2: Specifications

    If you have additional questions, need further information, or would like to comment on our products or services, please write or phone: 1. Your local Honeywell Automation and Control Products Sales Office (check white pages of your phone directory). 2. Honeywell Customer Care...
  • Page 3: Operation

    POLARITY OF SENSOR IS REQUIRED TO CONNECT + ON SENSOR TO + ON ECONOMIZER AND – ON SENSOR TO SO ON ECONOMIZER. ONLY ONE C7660 SENSOR CAN BE USED WITH AN ECONOMIZER FOR SINGLE DRY-BULB CHANGEOVER. DO NOT USE A SECOND C7660 SENSOR ON THE SR AND SR+ TERMINALS.
  • Page 4 C7660 SELECTABLE TEMPERATURE SENSOR The changeover temperature switch settings for the C7660 For exclusive operation, the changeover set point needs to are shown in Fig. 3. Default and factory setpoint is 63° F. allow mechanical cooling when the economizer can no longer Changeover on an economizer can operate in two basic meet the cooling load requirement.
  • Page 5: Renseignements Généraux

    économiseur. RENSEIGNEMENTS GÉNÉRAUX Le capteur de température réglable C7660 est employé avec les économiseurs W7459, W7215, W7212, W7213 et W7214. L’économiseur est raccordé à un actionneur M7415/M7215. Cette configuration permet de faire appel à un capteur de température extérieure pour le premier étage de...
  • Page 6: Caractéristiques Techniques

    Prière d’adresser toute question additionnelle, demande d’information ou commentaires sur les produits et services par écrit ou par téléphone : 1. Au bureau de vente des Solutions de régulation et d’automatisation de Honeywell de votre localité (consulter les pages blanches du bottin téléphonique).
  • Page 7: Fonctionnement

    DE MÊME QUE LE – DU CAPTEUR AU – DE L’ÉCONOMISEUR. UN SEUL CAPTEUR C7660 PEUT ÊTRE UTILISÉ AVEC UN ÉCONOMISEUR POUR UNE SEULE INVERSION À BULBE SEC. NE PAS RACCORDER UN DEUXIÈME CAPTEUR C7660 AUX BORNES SR ET SR+.
  • Page 8 Fig. 3. Réglages des commutateurs DIP du capteur de température C7660. By using this Honeywell literature, you agree that Honeywell will have no liability for any damages arising out of your use or modification to, the literature. You will defend and indemnify Honeywell, its affiliates and subsidiaries, from and against any liability, cost, or damages, including attorneys’...