Related Manuals for Honeywell CT2095
Summary of Contents for Honeywell CT2095
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Page 1: Programmable Thermostat
Honeywell/20 Programmable Thermostat OWNER’S GUIDE Weekday/Weekend (5-day/2-day) Programmable Heat and/or Cool Low Voltage (20 to 30 Vac) Thermostat and Mounting Plate Model CT2095 Place Bar Code Here 69- 1385... - Page 2 Direct any questions concerning the application of this thermostat to Honeywell Consumer Services at 1-800-468-1502, Monday-Friday, 7:00 a.m.-5:30 p.m., Central time. MERCURY NOTICE If this thermostat is replacing a thermo-...
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Page 3: Table Of Contents
Step 7. Mount Thermostat Mounting Plate ... 21 Step 8. Wire Thermostat Terminals ... 23 Step 9. Mount Thermostat ... 27 Step 10. Check Thermostat Operation After Programming and Installing ... 28 Step 11. Set Fan and System Switches ... 30 Troubleshooting Guide ... 31 Limited One-Year Warranty ... -
Page 4: Step 1. Prepare For Installation
Heat Pumps/Multistage Equipment Not compatible with any 120/240 volt circuit. Compatible with Honeywell 2-wire zone valves. Isolating relay required for 3-wire thermostats for zone valves. Not compatible with 2-wire White-Rodgers no. 1361 valves. Compatible with hot water baseboard systems. Does not work efficiently on steam or gravity systems. - Page 5 Energizer® batteries. CROSS-RECESSED SCREWDRIVER WIRE CUTTER/STRIPPER OR SHARP KNIFE, IF NEEDED TO STRIP WIRES HAND OR POWER DRILL WITH 3/16 INCH DRILL BIT, IF NEEDED TO DRILL HOLES IN WALL LEVEL, IF NEEDED TO LEVEL THERMOSTAT FOR APPEARANCE M13544 69-1385...
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Page 6: Step 2. Remove Old Thermostat
If there is an extra wire that is not connected to your old thermostat, you also do not connect it to your new thermostat. Keep the wires from falling back into the wall by wrapping them around a pencil as shown. -
Page 7: Replacing A Clock Thermostat
Replacing a Clock Thermostat that has C or C1 Clock Terminals? If you are replacing a Honeywell Chronotherm® Thermostat, you may find one or two wires that go to the C or C1 clock terminals on the Chronotherm® Thermostat wiring wallplate. Do not allow them to touch, or you can damage your transformer. -
Page 8: Step 3. Install Batteries
We recommend Energizer® batteries. Open the top cover of thermostat to access control panel and battery compartment. Make sure the thermostat is set to the Off position. Use a coin to remove the battery cover. BATTERY... - Page 9 Lo, the indicator eventually stops flashing. bAt Lo then stays on without flashing, indicating the thermostat and heating/cooling system have stopped working and the batteries are almost completely dead. After the batteries are completely dead, the bAtLo indication disappears, leaving a completely blank display.
- Page 10 If you insert the new batteries within 20 to 30 seconds of removing the old ones, you do not need to reprogram the thermostat. However, if the display is blank, the batteries are dead or incorrectly installed and you must reprogram. See Step 4.
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Page 11: Step 4. Program Thermostat
After the batteries are installed, the thermostat can be easily programmed in your hand before it is installed on the wall. If you prefer to program the thermostat after it is installed on the wall, go to Step 7 and return later to this programming section. - Page 12 Fill in the times and temperatures you desire for weekdays and weekends. If you decide not to program the thermostat, it automatically con- trols heating at 68°F (20°C), and cooling at 78°F (26°C), 24 hours a day. Also, you do not need to enter a time and temperature program for all periods if your schedule does not require it.
- Page 13 SLEEP The temperatures cannot be set any higher than 88°F (31°C) or any lower than 45°F (7°C). If you decide not to enter weekend programs, the thermostat operates on the weekday SLEEP pro- gram all weekend. Heating Program Start Time...
- Page 14 SLEEP The temperatures cannot be set any higher than 88°F (31°C) or any lower than 45°F (7°C). If you decide not to enter weekend programs, the thermostat operates on the weekday SLEEP pro- gram all weekend. Cooling Program Start Time...
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Page 15: Heating Program
NOTE: Batteries are required for operation and programming. When inserting batteries, set the System switch to Off. Remove the battery door (on the thermostat left side) using a coin at the bottom. Follow instructions in Step 3. Also see the label inside the battery cover for abbreviated programming procedures for your thermostat. -
Page 16: Cooling Program
Weekend Press until SAT SUN (Saturday-Sunday), WAKE and SET appear on display. Use TEMP WAKE time and to program WAKE temperature for SAT SUN (Saturday-Sunday). Repeat sequence for SLEEP. Press and release Cooling Program With System switch at Cool, follow the same instructions as for the Heating Program. After programming, adjust the Fan and System switches, as desired. -
Page 17: Operating Your Thermostat
Operating Your Thermostat System switch must be set to Heat or Cool to perform the following: TEMP Temporarily Change Temperature for current period only — Press ; temporary indicator shows Run Program on display and cancels itself at the next scheduled change; to cancel sooner, press... - Page 18 Cancel Program — Press Usage Check Usage — Press midnight; press again for yesterday’s usage, press again for cumulative; press cumulative reading, if desired; then press Permanently Change a Program — Repeat Heating Program or Cooling Program steps, as applicable. Return to Normal Program or Start Program —...
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Page 19: Step 5. Adjust Fan Operation Switch, As Required
A and B on the back of the thermostat. Use the heating system table shown in the illustration as a guide. The system on-time should be optimized according to the type of system to maximize comfort. - Page 20 (A—out one turn, B—leave in). • Electric Furnace—Leave at the Warm Air Furnace setting (A—leave in, B—leave in). NOTE: This thermostat does not have a set- ting for steam/gravity air; cycles would not be long enough for accurate tem- perature control.
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Page 21: Step 7. Mount Thermostat Mounting Plate
Step 7. Mount Thermostat Mounting Plate Position mounting plate on wall. Use level to make sure mounting plate is level. Use a pencil to mark the two mounting holes. Remove mounting plate from wall, and drill 3/16-inch holes in wall (if drywall) as marked. - Page 22 Level for appearance only; thermostat functions properly even when not level. LEVEL Tighten mounting screws. M1714A 69-1385...
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Page 23: Step 8. Wire Thermostat Terminals
Refer to the labels you placed on the terminal wires when you removed your old thermostat. Match the letter of your old thermostat wire with the terminal of the corresponding letter on the back of your new thermostat. (See wiring diagrams.) Hold the thermostat as... - Page 24 Loosen the terminal screws and slip each wire beneath its matching terminal. See illustrations for wire insertion technique. Securely tighten terminals. Plug the hole in the wall with insulation to help prevent drafts from adversely affecting thermostat operation. INSERT STRAIGHT 5/16 in.
- Page 25 2-WIRE HEAT-ONLY (JUMPER INTACT) HEATING RELAY OR VALVE COIL (HOT) POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 4-WIRE HEAT/COOL (JUMPER INTACT) JUMPER HEATING RELAY OR VALVE COIL M1709B POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. COOLING CONTACTOR COIL...
- Page 26 5-WIRE HEAT/COOL (JUMPER REMOVED) HEATING RELAY OR RELAY VALVE COIL COOLING CONTACTOR COIL (HOT) POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 3-WIRE COOL-ONLY (JUMPER INTACT) (HOT) POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. M1711C COOLING CONTACTOR COIL...
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Page 27: Step 9. Mount Thermostat
Step 9. Mount Thermostat NOTE: To remove thermostat from wall, first pull out at bottom of thermostat, then remove top. ENGAGE TABS AT TOP OF THERMOSTAT AND SUBBASE. PRESS LOWER EDGE OF CASE TO LATCH. SWING OPEN COVER TO CHECK OPERATION... -
Page 28: Step 10. Check Thermostat Operation After Programming And Installing
Operation After Programming and Installing Heating Do not check heating system operation by jumpering thermostat terminals such as gas valve, zone valve, and oil burner control at the primary control. This damages the thermostat. Instead, jumper R and W wires at the thermostat. - Page 29 Cooling To avoid possible compressor damage, do not operate the cooling system when outdoor temperature is below 50°F (10°C). See compressor manufacturer instructions. IMPORTANT When cooling setting is changed, ther- mostat delays up to five minutes before turning on the air conditioner. This delay protects the compressor.
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Page 30: Step 11. Set Fan And System Switches
(In a heat-only system, fan runs continuously only if fan relay is connected to the thermostat.) Then set the System switch. Cool: The thermostat controls Auto your air conditioning system. Off: Both the heating and air conditioning systems are off. -
Page 31: Troubleshooting Guide
(31°C) during programming. Temperature change occurs at wrong times. for at least five seconds to reset the thermostat. Replace batteries correctly. Display should come on. Make sure batteries are fresh and installed correctly. You have reached the temperature setting limit. The setting range is 45°F to 88°F (7°... - Page 32 Make sure the System switch is in the On position; set it to On if it is in the Off position. If temperature setting is higher than the current temperature and the display says HEAT, contact Honeywell Consumer Services at 1-800- 468-1502. Make sure the cooling setpoint is below the room temperature.
- Page 33 The thermostat has a built-in time delay on cooling. Allow five to ten minutes after changing the setting before the air conditioner starts. If temperature setting is lower than current temperature, and the display says COOL, move the System switch from Cool to Off for ten minutes.
- Page 34 Toll-free Customer Assistance For all questions concerning this thermostat, please read and follow the instructions. If additional assistance is needed, call Honeywell Consumer Services at 1-800-468-1502, Monday - Friday, 7:00 a.m. - 5:30 p.m. Central time. Before you call, please have the following information available—thermostat model number and date code, type of heating/cooling system (hot water, warm air, oil, gas, etc.), and number of wires...
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Page 35: Limited One-Year Warranty
Plymouth, MN 55441-4437 This warranty does not cover removal or reinstallation costs. This warranty shall not apply if it is shown by Honeywell that the defect or malfunction was caused by damage which occurred while the product was in the possession of a consumer. - Page 36 This warranty gives you specific legal rights, and you may have other rights which vary from state to state. If you have any questions concerning this warranty, please write our Customer Assistance Center, Honeywell Inc., P.O. Box 524, Minneapolis, MN 55440-0524 or call 1-800-468-1502, Monday-Friday, 7:00 a.m. to 5:30 p.m., Central time. In Canada, write Retail Products ON15-02H, Honeywell Limited/Honeywell Limitée, 155 Gordon Baker Road, North York, Ontario M2H 2C9.
- Page 37 TYPICAL ENERGY SAVINGS FOR REPRESENTATIVE CITIES IN THE U.S. AND CANADA Savings for Once-A-Day 10 F (5 C) decrease Edmonton Calgary Minneapolis Halifax Vancouver Regina Moncton St. Paul Winnipeg North Bay Montreal Quebec Ottawa St. John's Toronto Savings for Twice-A-Day 10 F (5 C) decrease* Buffalo Louisville...
- Page 38 69-1385...
- Page 39 69-1385...
- Page 40 Honeywell Plaza P.O. Box 524 Minneapolis, MN 55408-0524 69-1385 G.H. 6-00 Home and Building Control Honeywell Limited-Honeywell Limitée 155 Gordon Baker Road North York, Ontario M2H 3N7 Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers.