Honeywell T8511 Manual
Deluxe electronic thermostats
Hide thumbs
Also See for T8511:
- Owner's manual (9 pages) ,
- User manual (124 pages) ,
- Product data (16 pages)
Table of Contents
Advertisement
Quick Links
APPLICATION
The T8501 and T8511 Deluxe Electronic Thermostats provide
electronic control of 18 to 30 Vac single stage or multistage
heating and cooling systems, including heat pump systems.
® U.S. Registered Trademark
Copyright © 1997 Honeywell Inc. •
Deluxe Electronic Thermostats
• All Rights Reserved
T8501 and T8511
T8501/T8511
FEATURES AND BENEFITS
• Attractive styling complements any decor to the
homeowner's delight.
• Ease-of-use means fewer homeowner questions and
increased homeowner satisfaction.
• Back lighting the large display makes the Liquid
Crystal Display (LCD) very easy to read.
• Most frequently used keys are located by the LCD for
quick and easy access to information.
• Models available with outdoor temperature sensor
capability for homeowner convenience. The sensor is
also more accurate than a thermometer.
• Configurable features allows one model to be used to
replace many different models (less inventory, no
need to carry separate models to get these features).
- °F or °C temperature display;
- Automatic or manual changeover;
- Electric or conventional heat fan operation;
- Adjustable heating cycle rate.
• Minimum off time for cooling compressors and heat
pumps protects and extends the life of the equipment.
• Easy installation, setup and system test saves
installer time and increases productivity.
• System test simplifies troubleshooting and saves time
by overriding the time delays.
• Setpoints are permanently held in memory (no
batteries used) and retained during power outages for
increased installer and homeowner convenience.
Application ........................................................................... 1
T8501/T8511 Features and Benefits ................................... 1
Specifications ...................................................................... 2
Ordering Information ........................................................... 2
Installation ........................................................................... 3
Wiring .................................................................................. 4
Settings ............................................................................... 6
Installer Setup ..................................................................... 6
Installer System Test ........................................................... 8
Checkout ............................................................................. 10
Operation ............................................................................ 11
Wiring Diagrams (Fig. 13-18) .............................................. 12
Troubleshooting Guide ........................................................ 14
PRODUCT DATA
Contents
68-0162-1
Advertisement
Table of Contents
Related Manuals for Honeywell T8511
Summary of Contents for Honeywell T8511
-
Page 1: Table Of Contents
• Minimum off time for cooling compressors and heat pumps protects and extends the life of the equipment. The T8501 and T8511 Deluxe Electronic Thermostats provide • Easy installation, setup and system test saves electronic control of 18 to 30 Vac single stage or multistage installer time and increases productivity. -
Page 2: Specifications
Honeywell, 1885 Douglas Drive North Minneapolis, Minnesota 55422-4386 In Canada—Honeywell Limited/Honeywell Limitée, 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. -
Page 3: Installation
T8501 AND T8511 DELUXE ELECTRONIC THERMOSTATS Operating Ambient Temperature: INSTALLATION 40°F to 110°F (4°C to 43°C). When Installing this Product... Shipping Temperature Range: Minus 20°F or 130°F (-29°C to 54°C). 1. Read these instructions carefully. Failure to follow the instructions can damage the product or cause a Operating Relative Humidity Range: hazardous condition. -
Page 4: Wiring
T8501 AND T8511 DELUXE ELECTRONIC THERMOSTATS 5 FEET [1.5 METERS] M10106 Fig. 2. Typical location of thermostat. 3. Remove the wallplate from the wall and drill two 3/16 WIRING inch holes in the wall (if drywall) as marked. For firmer... - Page 5 T8501 AND T8511 DELUXE ELECTRONIC THERMOSTATS CAUTION Mounting Thermostat 1. Engage tabs at the top of thermostat and wallplate. Disconnect power before wiring to prevent electrical See Fig. 5. shock or equipment damage. 2. Press lower edge of case to latch.
-
Page 6: Settings
All display System settings control the thermostat operation as follows: segments appear for approximately three seconds before Em. Heat (T8511 only): Emergency heat relay is the number is displayed. See Fig. 8 and 9. automatically controlled by the thermostat. The cooling —... - Page 7 T8501 AND T8511 DELUXE ELECTRONIC THERMOSTATS Table 4. Thermostat Installer Setup Options. Installer Setup Other Choices Number Factory-Setting (Press key to change) (Press i key Actual to change) Setting Select Display Description Display Description Not used — — — —...
-
Page 8: Installer System Test
T8501 AND T8511 DELUXE ELECTRONIC THERMOSTATS Table 4. Thermostat Installer Setup Options (continued). Installer Setup Other Choices Number Factory-Setting (Press key to change) (Press i key Actual to change) Setting Select Display Description Display Description Not used — — —... - Page 9 Stage-two heat comes on. Stage-one heat and system fan remain on. Stage-two heat turns off. Stage-one heat and system fan turn off. Emergency Heating Equipment System Test (T8511 models only) Change from heating to emergency heating equipment system test. Emergency heat comes on. System fan also comes on.
-
Page 10: Checkout
T8501 AND T8511 DELUXE ELECTRONIC THERMOSTATS 5. Press the increase key again to display the EEPROM Thermostat Information identification code. 1. Press the Information i key to access the thermostat (Example: 222 = EEPROM ID 222). information. M4867 M4864 6. Press and hold the increase... -
Page 11: Operation
Based on last piece of equipment called (cooling = O or temperature, even during severe weather. heating = B) and Installer Setup selection. Table 8. T8511 Sequence of Operation for Separate Compressor Terminal (Y and W1) Models. Fan Selection System Selection... -
Page 12: Wiring Diagrams (Fig. 13-18)
T8501 AND T8511 DELUXE ELECTRONIC THERMOSTATS Minimum-Off Timing THERMOSTAT A minimum-off timer assures that the cooling compressor or heat pump compressor does not come on again for at least five minutes after it turns off. The minimum-off timer is triggered when the compressor goes off and when the system... - Page 13 The upper or lower Check the temperature setpoints: not change. (Example: temperature limits were • T8511 heating limits are 40°F to 90°F (7°C to 31°C) and T8501 Cannot set the heating reached. heating limits are 45°F to 88°F higher or the cooling lower.) •...
-
Page 14: Troubleshooting Guide
T8501 AND T8511 DELUXE ELECTRONIC THERMOSTATS TROUBLESHOOTING GUIDE (continued) Symptom Possible Cause Action Heating will not come on. No power to the • Check that C terminal is connected to the system transformer. thermostat. • Check for 24 Vac between C and R or RH terminals. - Page 15 T8501 AND T8511 DELUXE ELECTRONIC THERMOSTATS 68-0162—1...
- Page 16 T8501 AND T8511 DELUXE ELECTRONIC THERMOSTATS Home and Building Control Home and Building Control Honeywell Asia Pacific Inc. Honeywell Inc. Honeywell Limited-Honeywell Limitée Room 3213-3225 Honeywell Plaza 155 Gordon Baker Road Sun Hung Kai Centre P.O. Box 524 North York, Ontario No.