Honeywell C7189A Support Question
Honeywell C7189A Support Question
Find answers below for this question about Honeywell C7189A.Need a Honeywell C7189A manual? We have 1 online manual for this item!
Question posted by moelevine on February 22nd, 2012
Not Reading Termperature Correctly
Our remote sensor is not reading the temperature correctely. The temperature on the termostate and the actual temperature at the sensor are far off. Sometimes 10 degrees in both directions using a temperature gage.
Current Answers
Related Honeywell C7189A Manual Pages
Owner's Manual - Page 1
...temperature in sensor measurements. C7189A Wall Mount Temperature Sensor
APPLICATION
The C7189 Wall Mount Temperature Sensor provides the input required by the PC8900 Perfect Climate® Comfort Center with the W8900 Remote Module to tampering.
1 Choose a location for the sensor...caused by the old thermostat
INSTALLATION
When Installing this Product...
1 Read these instructions.
CAUTION
...
Owner's Manual - Page 2
.... Important Erratic temperature readings from a sensor can cause erratic system operation. Use shielded cable to reduce interference if rerouting of sensor wiring is not... power distribution panels. Color-coded, 18 gauge thermostat wire is replacing a control that are not ...Contact your old control in a sealed tube. C7189A WALL MOUNT TEMPERATURE SENSOR
5 Run cable to a hole at least...
Owner's Manual - Page 3
...decreases
as shown in Fig. 2.
3
69-0895-1
The C7189 has a negative temperature coefficient (NTC), which means that the controller can be used to control as one remote sensor, as a temperature averaging network with the PC8900, or with multiple C7189 Sensors connected as the temperature increases. C7189A WALL MOUNT TEMPERATURE SENSOR
W8900
S1 S
LED GND
C R RH RC
2 3
C7189
W8900
L1 (HOT...
Owner's Manual - Page 4
... Characteristics. C7189A WALL MOUNT TEMPERATURE SENSOR
CHECKOUT
Allow the C7189 Wall Mount Temperature Sensor to soak in the air moving through the room for the thermometer to stabilize before taking a resistance measurement.
CALIBRATION
The C7189 Remote Sensor is calibrated at the sensor location, allowing time for a minimum of five minutes before reading. Use an ohmmeter...
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