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X-XX UL

INSTALLATION INSTRUCTIONS

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C7089B

 Outdoor Sensor

APPLICATION

The C7089B Outdoor Sensor is used with the T8500 and
T8600 Thermostat families on models with outdoor
temperature option. It senses the outdoor temperature
for display at the touch of a key. The sensor is encapsu-
lated to protect against water and contaminants, and
includes 60 in. leadwires.

SPECIFICATIONS

Operating Ambient Temperature Range:
-40 to 128

°

F (-40 to 53

°

C)

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

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

INSTALLATION

When Installing this Product…

1. Read these instructions carefully. Failure to follow

them could damage the product or cause a
hazardous 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.

CAUTION

Disconnect power supply before connecting wiring
to prevent electrical shock or equipment damage.

Location and Mounting (Fig. 1)

Mount the sensor where:

setting can not be tampered with.

there is good air circulation.

it can measure the true outdoor ambient temperature.

surface is flat.

he wire distance between the C7089 and thermostat
is less than 200 feet.

Do 

not mount the sensor:

in the direct sunlight.

where hot or cold air blows on the sensor. Discharge
line from an outdoor compressor unit, vent or fan will
cause 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 surface where the C7089B

mounting clip will be mounted.

3. Mount the clip.

69-1020-2

Содержание C7089B

Страница 1: ...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 CAUTION Disconnect power supply before connecting wiring to prevent electrical shock or equipment damage Location and Mounting Fig 1 Mount the sensor where setting can not...

Страница 2: ... 2 Wiring diagram for the C7089B Outdoor Sensor to the thermostat OPERATION The C7089B Outdoor Sensor converts outdoor ambient temperature to a resistance that the thermostat can interpret The outdoor temperature is displayed when the Information key is pressed NOTE The thermostat Installer Setup mode number 24 must be set to 01 for the outdoor temperature to be displayed The C7089B has a negative...

Страница 3: ...oor followed by the temperature reading See Fig 4 The reading should match the reading taken outdoors To verify the resistance of the sensor remove one wire from one of the C7089B wiring terminals Use an ohmmeter to measure the resistance across the sensor Then verify sensor accuracy with the temperature resistance curve of Fig 3 Fig 4 Outdoor temperature display on the thermostat CALIBRATION The ...

Страница 4: ...OOR SENSOR Honeywell Limited Honeywell Limitée 35 Dynamic Drive Scarborough Ontario M1V 4Z9 69 1020 2 J H Rev 11 98 Automation and Control Solutions Honeywell International Inc 1985 Douglas Drive North Golden Valley MN 55422 ...

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