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T7147 Remote Sensor and Override Module PRODUCT DATA FEATURES • Locking cover. • Override key. • Warmer/Cooler keys on some models. • Key-lock override security available. Contents Application ........................................................................ 1 Features ........................................................................... 1 Specifications ................................................................... 2 Ordering Information ........................................................ 2 Installation ........................................................................ 3 Wiring ............................................................................... 4 Operation .......................................................................... 6 Checkout .......................................................................... 6 ® U.S. Registered Trademark Copyright © 2001 Honeywell • All Rights Reserved 63-4065-1 T7147 REMOTE SENSOR AND OVERRIDE MODULE T7147 REMOTE SENSOR AND OVERRIDE MODULE IMPORTANT The T7147 is factory-calibrated. It does not require field calibration and cannot be field adjusted. Models: T7147A1002 Remote Temperature Sensor & Override Module: Connects to Q7300. Contains remote sensor, LED and push-button switch to invoke 3 Hour Occupied from remote location. T7147A1010 Remote Temperature Sensor & Override Module: Connects to Q7300. Contains remote sensor, LED and 3 push-button switches to invoke 3 Hour Occupied and Warmer/Cooler setpoint adjustments from remote location. T7147A1028 Remote Temperature Sensor & Override Module: Connects to Q7300. Same as T7147A1010 except includes key-lock switch to enable/disable remote override operation. 3-1/4 (83) 3-3/4 (96) 4-5/8 (117) 1-13/16 (46) 3-5/8 (92) 1-1/8 (29) 1-5/8 (41) 2-13/16 (71)1/4 (6) COOLER 3 HOUR OCCUPIED WARMER 1 Mounting: Mounts on wall or 2 x 4 inch vertical outlet box with screws provided. Dimensions: See Fig. 1. Wiring: Maximum cable length between T7300/Q7300 and T7147: 500 ft (152 m); use 18, 20 or 22 AWG wire. Temperature offset per 500 ft (152 m) of 2-wire sensor wire cable (1000 ft [305 m] total length): See Table 1. Temperature Sensor: Thermistor-resistor (NTC) element. Sensor Resistance: Resistance decreases as temperature increases (Fig. 2). 1420 ohms nominal at 75°F (24°C); resistance changes 15 ohms for each 1°F (0.6°C) temperature change. Temperature Ratings: Ambient: 40 to 110°F (4 to 43°C). Shipping: -30 to +150°F (-34 to +66°C). Humidity Ratings: 5 to 90% RH, non-condensing. Accessories: 230492A Keys for T7147A1028. ORDERING INFORMATION 1 NOT ALL MODELS HAVE WARMER/COOLER FUNCTION. M17881 Fig. 1. T7147 dimensions in in. (mm). Table 1. Temperature Offset for Remote Sensor Wiring. Temperature Monitored 18 AWG 20 AWG 22 AWG 50 to 90°F -0.4°F -0.7°F -1.0°F 10 to 32°C -0.3°C -0.4°C -0.6°C RESISTANCE (OHMS) 2000 1800 1600 1400 1200 1000 F 10 20 30 40 50 60 70 80 90 100 1420 OHMS AT 75 F (24 C) -10 0 10 20 30 40 TEMPERATURE (DEGREES) M4034 Fig. 2. T7174 Remote Sensor Resistance change with change in temperature. When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the TRADELINE® Catalog or price sheets for complete ordering number. 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 Home and Building Control Sales Office (check white pages of your phone directory). 2. Home and Building Control Customer Relations Honeywell, 1885 Douglas Drive North Minneapolis, Minnesota 55422-4386 (800) 328-5111 In Canada—Honeywell Limited/Honeywell Limitee, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9. International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France, Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A. 63-4065—1 2 T7147 REMOTE SENSOR AND OVERRIDE MODULE T7147 REMOTE SENSOR AND OVERRIDE MODULE 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 Electrical Shock or Equipment Damage Hazard. Can shock individuals or short equipment circuitry. Disconnect power supply before installation. Location Select a location on an inside wall away from: • drafts or dead air spots behind doors and corners. • hot or cold air ducts. • radiant heat from the sun or electrical equipment. • unheated areas behind the thermostat wall. Locate the T7147 about 5 ft (1.5 m) above the floor in an area with good air circulation within easy reach of users. Mounting 1. Loosen the cover-locking s...