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Question posted by stejfye on September 5th, 2014

How To Reset Honeywell Digital Thermostat Rth8500d

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Related Honeywell RTH8500D Manual Pages

Owner's Manual - Page 1

... Instructions U.S. Registered Trademark © 2004 Honeywell International Inc. RTH8500D Touch Screen Programmable Thermostat OWNER'S GUIDE The RTH8500D Thermostat provides electronic control of 24 Vac heating and cooling systems or 750 mV heating systems. For assistance with your Honeywell product, please visit www.honeywell.com/yourhome or call Honeywell Customer Care toll free at 1-800-468...

Owner's Manual - Page 2

... 38 Set System Setting 40 Program Your Heating and Cooling Schedule 42 Cancel a Schedule Period 46 Set Time 47 Set Temperature Overrides 48 Clean Your Thermostat Screen 51 Use Your Filter Timer 52 Understanding Temperature Recovery Feature 53 Replace Batteries 54 Review Battery Tips 57 Built-in Compressor Protection 58 Troubleshooting...

Owner's Manual - Page 3

... 5-03 • yourhome M22200 If any of the corresponding letter on your old thermostat wire with the terminal of the items shown above are included: Inside Set OWNER'S GUIDE Inside ...1. Check that the following items are missing, call Honeywell Customer Care at the fuse/circuit breaker panel before returning the thermostat to system at the furnace, or at 1-800-468-1502...

Owner's Manual - Page 5

... wires connected to the heating and/or cooling system. DO NOT WIRE NEW THERMOSTAT BASED ON WIRE COLOR. Step 2. M22034 5 69-1725-1 Do not connect the wires to the new thermostat based on wire color because damage can occur to your old thermostat. OLD THERMOSTAT YELLOW WHITE Y W RED G GREEN RC R ORANGE ! Follow Important Instructions...

Owner's Manual - Page 6

... place your local waste management authority for instructions regarding recycling and the proper disposal of an old thermostat containing mercury in the trash. Do not remove the wires. Remove the old thermostat from the old thermostat. 3. Turn off power at the heating and/or cooling system or fuse/circuit breaker panel. 2. Step 3. Remove...

Owner's Manual - Page 7

... touch each C and/or C1 wire with electrical tape. Make sure they do not connect them to your new thermostat. 2. Step 4. Disconnect the C and/or C1 wires. Wrap the bare end of each other or any other wires. 3. OLD THERMOSTAT Y G C C W R LETTER DESIGNATION SCREW TERMINAL WIRE WIRE HOLE DO NOT CONNECT TO NEW...

Owner's Manual - Page 8

Visit www.honeywell.com/yourhome or call Honeywell Customer Care at 1-800-468-1502 before returning the thermostat to C on the new thermostat. Follow Special Instructions (Cont) 4. OLD THERMOSTAT Y G C W R LETTER DESIGNATION SCREW TERMINAL WIRE WIRE HOLE CONNECT TO THE "C" ON THE NEW THERMOSTAT M22223 69-1725-1 8 Step 4. If you have only one C and/or C1 wire connected...

Owner's Manual - Page 9

Wrap the end of the wires that are not connected with electrical tape. If you find any wires not connected to your old thermostat, do not connect them to your new thermostat. 6. DO NOT CONNECT TO NEW THERMOSTAT M22040 9 69-1725-1 Step 4. OLD THERMOSTAT Y G RC W R LETTER DESIGNATION SCREW TERMINAL WIRE WIRE HOLE WIRES NOT CONNECTED - Follow Special Instructions (Cont) 5.

Owner's Manual - Page 10

.... Do not connect wires to wrap a wire label around each wire, use the enclosed wire labels to your new thermostat based on the color of the old thermostat from the wall. Label Old Thermostat Wires 1. Remove any remaining part of the wire. 69-1725-1 10 Step 5. Do not allow the wires to the...

Owner's Manual - Page 11

WALLPLATE WIRE HOLE THERMOSTAT M22202 11 69-1725-1 Step 6. Separate the wallplate from the thermostat as shown. Mount New Wallplate to Wall 1.

Owner's Manual - Page 20

...heating and cooling contractor for assistance. If another wire is already matched to the C, contact Honeywell. 4 If the old thermostat had wires on both O and B, be sure to attach the B wire to New ...HEAT PUMP SYSTEMS 1 Leave metal jumper wire between RC and R in place. 2 If the old thermostat had separate wires on both the V and VR, some system modification is required. Call your local ...

Owner's Manual - Page 24

Set the Calendar This thermostat is designed to automatically keep current time and day in memory for instructions. 69-1725-1 24 SET CURRENT DATE SET MONTH MON TUE...YEAR M22226 The calendar can be set . Press the Done key. Use the arrow keys to set the year, month and day. 2. See Step 11, Configure Installer Setup, for up to ten years, under normal use, once the calendar is ready ...

Owner's Manual - Page 28

11. Date (Day) Select number that represents current (Month) calendar month. M22215 69-1725-1 28 ADVANCE...SETTING Installer Setup Number 0120 0130 0140 0150 Installer Setup Name Date (Year Upper) (Select Your Setting) Settings Select first two digits of current Lower) calendar year (05 for year 2005, etc). Date Select number that represents current calendar date. Configure Installer...

Owner's Manual - Page 39

Get to Know Your Thermostat Display (Cont) Display TUE SHOWS CURRENT DAY OF THE WEEK FAN SHOWS FAN SETTING INSIDE TEMPERATURE SHOWS THE CURRENT INSIDE... CLOCK SCREEN MORE SYSTEM SHOWS CURRENT SYSTEM POSITION TIME DISPLAY CURRENT TIME OF DAY, HOLD TIME REMAINING OR NUMBER OF VACATION DAYS REMAINING FOLLOWING SCHEDULE SHOWS THE THERMOSTAT IS FOLLOWING THE PROGRAMMED SCHEDULE M22239 39 69-1725-1

Owner's Manual - Page 42

... an energy-saving temperature. Press Sched key. Program Your Heating and Cooling Schedule Your thermostat can control up to a comfortable temperature. Return-Period when you return home and want your home back to four different schedule periods per day: Wake-Period when you are asleep and want an energysaving temperature. Edit Schedule...

Owner's Manual - Page 46

Press schedule period you can cancel the Leave and Return periods (the thermostat would then control to the Wake temperature until the Sleep period). 1. The bar above the selected period is always home during the day on Tuesday, you want to cancel a period to match your lifestyle; The time, temperature(s) and fan set...

Owner's Manual - Page 50

... screen shows "Following Schedule" to indicate that "Hold Temperature Until" time is the time the Vacation Hold override expires after the number of days you desire the thermostat to override the schedule. Press the Up and Down arrow keys to set the desired temperature while away on the screen. (This is shown...

Owner's Manual - Page 52

... arrow keys to change your furnace filter. See Configure Installer Setup Number 0500, for approximate calendar days. 3. Press the More key until the Filter Timer appears on the screen when the filter timer expires. 2. Press the Reset key to change the Timer reload value. Press the Done key. 69-1725-1 52 Use...

Owner's Manual - Page 53

... before 6:00 AM to raise the temperature to be 70°F. Each day it take the air conditioner to the time you . How long does it adjusts the next day's recovery start time accordingly. 53 69-1725-1 No problem. The thermostat alerts that for you want the temper-ature to have your home...

Owner's Manual - Page 58

The minimum-off timer is a call during the minimum-off timer, the thermostat shows "Wait" in the display and the compressor and fan turn on. _________ aHeat...Cool On" or "Heat On"a appears solidly in the display. Built-in Compressor Protection The RTH8500D Thermostat has built-in compressor protection (minimum-off timer) that prevents the compressor from restarting too early after the compressor ...