Page 2 - MERCURY NOTICE
2 69-1385 Welcome to the world of comfort and energy savings with your new Honeywell Programmable Thermostat. Your new thermostat will automatically control the temperature in your home, keeping you comfortable while saving energy when programmed according to the instructions in this manual. Direct ...
Page 3 - Contents
3 69-1385 Contents Step 1. Prepare for Installation ..................................................................................................... 4 Step 2. Remove Old Thermostat .................................................................................................. 6 Step 3. Insta...
Page 4 - Step 1. Prepare for Installation; System Type
4 69-1385 Step 1. Prepare for Installation ❑ Check Table 1 to make sure this thermostat is compatible with your system. If not, return it to the retailer. For more information, call Honeywell Consumer Services, 1-800-468-1502, Monday - Friday, 7 am to 5:30 pm, Central time. Not compatible with any 1...
Page 6 - Step 2. Remove Old Thermostat
6 69-1385 Step 2. Remove Old Thermostat ❑ Test to be sure your heating and cooling systems are working properly. If either does not work, contact your local heating/air conditioning dealer. To avoid compressor damage, do not operate the cooling system when outdoor temperature is below 50°F (10°C). ❑...
Page 7 - Three thermostat wires?
7 69-1385 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 ...
Page 8 - Step 3. Install Batteries; IMPORTANT
8 69-1385 Step 3. Install Batteries IMPORTANT Batteries must be installed for the pro-gramming and operation of the ther-mostat and heating/cooling system. ❑ Purchase two AA alkaline batteries; non-alkaline batteries do not last as long, and can leak, causing damage to the thermostat or the wall sur...
Page 9 - Replace the battery cover.
9 69-1385 ❑ Install the fresh batteries as shown, making sure positive and negative terminals are oriented correctly. ❑ Replace the battery cover. As the batteries run low, a bAt Lo indicator flashes for one to two months before the batteries run out completely. Replace the batteries as soon as poss...
Page 11 - Step 4. Program Thermostat
11 69-1385 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. The ...
Page 15 - Heating Program
15 69-1385 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 ...
Page 16 - Cooling Program
16 69-1385 Press until SAT SUN (Saturday-Sunday), WAKE and SET appear on display. Use to program WAKE time and to program WAKE temperature for SAT SUN (Saturday-Sunday). Repeat sequence for SLEEP. Press and release to start the program. Cooling Program With System switch at Cool, follow the same ins...
Page 17 - Operating Your Thermostat; System switch must be set to Heat or Cool to perform the following:; Hold a Temperature Indefinitely (such as when on vacation) — Press; and; Check Current Temperature Setting — Press; repeatedly to see each time and temperature then press
17 69-1385 Operating Your Thermostat System switch must be set to Heat or Cool to perform the following: Temporarily Change Temperature for current period only — Press ; temporary indicator shows on display and cancels itself at the next scheduled change; to cancel sooner, press . Hold a Temperature...
Page 18 - Cancel Program — Press; until program to cancel shows then press; Check Usage — Press; to see length of time heat or air conditioning has run today since; Return to Normal Program or Start Program — Press
18 69-1385 Cancel Program — Press , until program to cancel shows; then press . Check Usage — Press to see length of time heat or air conditioning has run today since midnight; press again for yesterday’s usage, press again for cumulative; press to clear cumulative reading, if desired; then press . ...
Page 22 - Tighten mounting screws.
22 69-1385 ❑ Level for appearance only; thermostat functions properly even when not level. ❑ Tighten mounting screws. LEVEL M1714A
Page 23 - Step 8. Wire Thermostat Terminals
23 69-1385 Step 8. Wire Thermostat Terminals NOTE: All wiring must comply with local codes and ordinances. If unsure about house-hold wiring procedures, call your local heating/air conditioning contractor. ❑ Refer to the labels you placed on the terminal wires when you removed your old thermostat. M...
Page 24 - Securely tighten terminals.
24 69-1385 ❑ 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. M3002A M1712B JUMP...
Page 27 - Step 9. Mount Thermostat
27 69-1385 Step 9. Mount Thermostat NOTE: To remove thermostat from wall, first pull out at bottom of thermostat, then remove top. M13545 PRESS LOWER EDGE OF CASE TO LATCH. ENGAGE TABS AT TOP OF THERMOSTAT AND SUBBASE. SWING OPEN COVER TO CHECK OPERATION . A. B. C. System Cool Off Heat Fan On Auto L...
Page 28 - Heating
28 69-1385 Step 10. Check Thermostat 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 ...
Page 29 - Cooling
29 69-1385 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. T...
Page 30 - Step 11. Set Fan and System Switches; Off: Both the heating and air
30 69-1385 Step 11. Set Fan and System Switches First set the Fan switch.Fan Auto: Normal setting for most homes. A single-speed fan will turn on automatically with the air conditioner or furnace. A two-speed fan usually runs on high with the air conditioner and on low with the furnace. Fan On: The ...
Page 31 - Troubleshooting Guide; Display does not come on.
31 69-1385 Troubleshooting Guide If... Then... Display does not come on. Set the System switch to Off. Remove batteries. Insert them backward for at least five seconds to reset the thermostat. Replace batteries correctly. Display should come on. Make sure batteries are fresh and installed correctly....
Page 33 - Press Present Set key to check the current temperature setting.
33 69-1385 Cooling does not come on(Continued). 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 fro...
Page 34 - Toll-free Customer Assistance; NOTICE
34 69-1385 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 th...
Page 35 - Limited One-Year Warranty
35 69-1385 Limited One-Year Warranty Honeywell warrants this product, excluding battery, to be free from defects in the workmanship or materials, under normal use and service, for a period of one (1) year from the date of purchase by the consumer. If, at any time during the warranty period, the prod...
