Honeywell C7089 User Manual

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Copyright © 2004 Honeywell International Inc.  •  

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69-1709EFS

(USE WITH TH8000 AND TH7000 THERMOSTATS)

This C7089 Outdoor Sensor is used with theTH8000 and 
TH7000 Thermostat families.

Operating Ambient Temperature Range:
-40 to 120°F (-40 to 49°C).

Display Range:
-40 to 127°F (-40 to 53°C).

Sensor Accuracy:
+/-1.5°F at 70°F (+/-.84 at 21°C)

Operating Relative Humidity:
5% to 95% non-condensing.

Dimensions in in. (mm):
2-1/4 (57) x 3/8 (10) with 60 (1524) leadwires.

1. Read these instructions carefully. Failure to follow 

them could damage the product or cause a hazard-
ous condition.

2. Check the ratings given in the instructions and on 

the product to make sure the product is suitable for 
your application.

3. Installer must be a trained, experienced service 

technician.

4. After installation is complete, check out product 

operation as provided in these instructions.

Electrical Shock Hazard.
Can cause electrical shock or equipment 
damage.
Disconnect power supply before connecting 
wiring.

Mount the sensor where:
• cannot tamper with settings.
• there is good air circulation.
• it can measure true outdoor ambient temperature.
• surface is flat.
• wire distance between C7089 and thermostat is less 

than 200 feet.

Do not mount the sensor:
• in direct sunlight.
• where hot or cold air blows on the sensor. Discharge 

line from an outdoor compressor unit, vent or fan 
causes inaccurate temperature readings.

• where snow, ice or debris can cover it.

Use the following steps to mount the sensor:

1. Remove the sensor from the mounting clip.

2. Mark the area on the location selected for 

mounting the sensor mounting clip.

3. Mount the clip.

M7514