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Once a remote indoor temperature sensor is connected to the thermostat, the thermostat’s sensor is no longer used. The thermostat’s installer setup should be modified to tell the thermostat that remote indoor temperature sensor(s) have been used. The Inside temperature reading on the thermostat’s display will be the remote sensor(s) temperature location(s). Fig. 1. C7189U Remote Indoor Sensor SPECIFICATIONS Operating Ambient Temperature Range: 45 to 88°F (7.2 to 32°C). Display Range: 0 to 99°F (-18 to 37°C). Sensor Accuracy: +/-1.5°F at 70°F (+/-.84 at 21°C) Operating Relative Humidity: 5% to 95% non-condensing. Finish: White. Resistance Characteristics: Negative temperature coefficient (NTC). Resistance decreases as the temperature increases. Dimensions in inches (mm): 1 1/2 (38) wide x 2 1/4 (57) high x 3/4 (19) deep. Distance: Maximum distance between thermostat and sensor is 200 feet. Must be installed by a trained, experienced technician . Read these instructions carefully. Failure to follow these instructions can damage the product or cause a hazardous condition. . Check the specification in this booklet to verify that this product is suitable for the application. . Always test for proper operation after installation M24055 C7189U REMOTE INDOOR SENSOR 69-1710EFS-1 2 INSTALLATION Installation Tips Install the sensor about 5 feet (1.5m) above the floor in an area with good air circulation at average temperature. Maximum distance between remote sensor and the thermostat is 200 feet. See Fig. 2. CAUTION Electrical Hazard Can cause electrical shock or equipment damage. Disconnect power before beginning installation. Fig. 2. Typical location for C7189U Sensor. Remote Sensor Wallplate Installation Remove the cover from the remote sensor as shown in Fig. 3. 1. Pull wires through wire hole. 2. Position wallplate on wall, level and mark screw hole positions with pencil. 3. Drill holes at marked positions, then tap in supplied wall anchors. 4. Place wallplate over anchors, insert and tighten mounting screws. See Fig. 4. Fig. 3. Remove the cover. Fig. 4. Mount wallplate to wall. 5 FEET (1.5 METERS) YES NO NO NO M24115 M24056 M24057 C7189U REMOTE INDOOR SENSOR 3 69-1710EFS-1 WIRING The sensor can be used to provide one remote sensor (see Fig. 6) or as a temperature averaging network with multiple sensors connected (see Fig. 7). The thermostat is not part of the average network. CAUTION ELECTRICAL HAZARD. Can cause electrical shock or equipment damage. Disconnect power before wiring. 1. Run the wire cable from the thermostat to the remote sensor location. 2. Loosen screw terminals, insert wires into terminal block (polarity does not matter), then retighten screws. 3. Push excess wire back into the wall opening. 4. Plug the wall opening with non-flammable insulation to prevent drafts from affecting the sensor operation and replace the cover on the remote sensor. 5. Connect the two wires to the thermostat’s remote sensor terminals (polarity does not matter) and replace the thermostat back onto the wallplate. See Fig. 6. Fig. 5. Terminal block wiring. Fig. 6. Wiring a single C7189U Sensor. Fig. 7. Wiring Multiple C7189U Sensors. OPERATION Once a remote indoor temperature sensor is connected to the thermostat, the thermostat’s sensor is no longer used. The thermostat’s installer setup should be modified to tell the thermostat that remote indoor temperature sensor(s) have been used. The Inside temperature reading on the thermostat’s display will be the remote sensor(s) temperature location(s). See Fig. 8. . Fig. 8. Inside Temperature Reading on TH8000 Series Thermostat. M24116 2 C7189 RC R W Y G C Y2 W2 S2 S1 M19972A R C POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. IF MORE THAN ONE C7189 REMOTE SENSOR IS REQUIRED, REFER TO FIGURE 7. WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE. 1 1 3 2 3 M19973 SENSORS MUST BE ARRANGED IN THIS CONFIGURATION TO OPERATE CORRECTLY. WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT CABLE. 1 2 Y2 W2 S2 1 1 2 C7189 C7189 C7189 C7189 Y2 W2 2 1 1 2 C7189 C7189 C7189 C7189 C7189 C7189 C7189 C7189 C7189 Heat On SCHED HOLD CLOCK SCREEN MORE TUE AM FAN AUTO SYSTEM HEAT CHANGE FILTER UV LAMP HUMIDIFIER PAD Following Schedule Inside Set To M19974 C7189U REMOTE INDOOR SENSOR Automation and Control Solutions Honeywell International Inc. Honeywell Limited-Honeywell Limitee 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 ® U.S. Registered Trademark © 2005 Honeywell International Inc. Patents Pending. 69-1710EFS-1 M.S. Rev. 10-05 CHECKOUT For best results, allow the sensor to absorb the air moving through the room for a minimum of twenty minutes before taking a resistance measurement. 1. Use an accurate thermometer (+/-1.F[0.5.C]) measure the temperature at the sensor location. 2. Remove one wire from one of the sensor’s wiring terminals. Use an ohmmeter to measure the resistance ac...