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Question posted by tlal77 on April 3rd, 2014

How Do I Unlock Honeywell Rth8500d 7-day Touchscreen Programmable Thermostat

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Related Honeywell RTH8500D Manual Pages

Owner's Manual - Page 1

...International Inc. Pat. 6,595,430 Other Patents Pending ® U.S. 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 1-800-468-1502. Read...

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

...included: Inside Set OWNER'S GUIDE Inside Set To Read and save these instructions WALLPLATE THERMOSTAT MOUNTING SCREWS (2) AND WALL ANCHORS (2) OWNER'S GUIDE WIRE LABELS CAUTION CARD CAUTION ...on your new thermostat or base. Step 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...

Owner's Manual - Page 5

... on wire color because damage can occur to your old thermostat. OLD THERMOSTAT YELLOW WHITE Y W RED G GREEN RC R ORANGE ! DO NOT WIRE NEW THERMOSTAT BASED ON WIRE COLOR. M22034 5 69-1725-1 Follow Important Instructions 1. These Installation Instructions explain later how to use the enclosed wire labels to correctly mark ...

Owner's Manual - Page 6

...69-1725-1 6 Remove the cover from the wall or wallplate. Remove the old thermostat from the old thermostat. 3. Do not remove the wires. Y G C OLD THERMOSTAT WALLPLATE W THERMOSTAT R COVER .2.18 .9 .7 .5 L O .25 N GE R .4 .3 M22036 MERCURY NOTICE If you are replacing a thermostat that contains mercury in a sealed tube, do not place your local waste management authority...

Owner's Manual - Page 7

... DESIGNATION SCREW TERMINAL WIRE WIRE HOLE DO NOT CONNECT TO NEW THERMOSTAT M22201 7 69-1725-1 Make sure they do not connect them to your new thermostat. 2. Follow Special Instructions 1. Wrap the bare end of each other or any other wires. 3. Disconnect the C and/or C1 wires. If you have two C and/...

Owner's Manual - Page 8

.../yourhome or call Honeywell Customer Care at 1-800-468-1502 before returning the thermostat to C on the new thermostat. 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 If you have only one C and/or C1 wire connected to your old thermostat, connect this wire to...

Owner's Manual - Page 9

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

Owner's Manual - Page 10

... letter designation. 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. Do not allow the wires to the wire labels. Remove any remaining part of the wire. 69-1725-1 10...

Owner's Manual - Page 11

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

Owner's Manual - Page 15

... have a heat pump system, use the CONVENTIONAL letter designations. If only one of the terminals, Rc or R, is to be connected to wire the new thermostat. Connect Wires to follow for your system. Select the correct letter designations to New Wallplate 1. WALLPLATE METAL JUMPER WIRE TERMINAL BLOCK SCREW TERMINALS LETTER DESIGNATIONS...

Owner's Manual - Page 17

Be sure to New Wallplate (Cont) 7. Use the information on the new thermostat the labeled wires 1 RC 1 R RC or R R or RH, 4, V W or W1, H W Y or Y1, M Y G or F G C or C1, X, B C Y2 Y2 W2 W2 2 2 34 M22208 Do not connect ... next page. 17 69-1725-1 Use the information below if you are wiring a CONVENTIONAL System. These numbered notes appear on your old and new thermostats.

Owner's Manual - Page 20

...Honeywell. 4 If the old thermostat had wires on both O and B, be sure to attach the B wire to New Wallplate (Cont) NOTES FOR HEAT PUMP SYSTEMS 1 Leave metal jumper wire between RC and R in place. 2 If the old thermostat... 20 Call your local heating and cooling contractor for assistance. 3 If the old thermostat had separate wires on W1, Y1 and W2, some system modification is required. ...

Owner's Manual - Page 24

... first powered, the display is ready to set the year, month and day. 2. Set the Calendar This thermostat is set any time. Use the arrow keys to automatically keep current time and day in memory for instructions. 69-1725-1 24 Step 10. Press the Done key. SET CURRENT DATE SET MONTH MON TUE...

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

... Schedule AM PM SCHED HOLD CLOCK SCREEN M22445 69-1725-1 42 Press Sched key. Program Your Heating and Cooling Schedule Your thermostat can control up to four different schedule periods per day: Wake-Period when you return home and want your home at a comfortable temperature. Return-Period when you awaken and want...

Owner's Manual - Page 46

...the Sleep period). 1. Once selected, the period flashes. 5. Press Sched key. 2. Select the Day(s) of the week desired. 4. The time, temperature(s) and fan set desired time and temperatures. ... period was cancelled. Press schedule period you can cancel the Leave and Return periods (the thermostat would then control to cancel (Wake, Leave, Return or Sleep). Press Edit key. 3....

Owner's Manual - Page 50

... 69-1725-1 50 Screen shows "Hold Temperature Until" 1 day. 3. Press the Up and Down arrow keys to override ...Days you selected ends.) 2. When the number of days of Vacation Hold expires, the screen shows "Following Schedule" to set the desired temperature while away on the screen. (This is the time the Vacation Hold override expires after the number of days you desire the thermostat...

Owner's Manual - Page 53

...to raise the temperature to cool your heating and/or cooling system. No problem. The thermostat then turns on the screen. TUE FAN AUTO Inside Set To SYSTEM HEAT Following Schedule ... the construction of bed or how long does it adjusts the next day's recovery start time accordingly. 53 69-1725-1 The thermostat determines that the heating or cooling system is coming on before a ...

Owner's Manual - Page 58

... "Heat On"a appears solidly in compressor protection (minimum-off timer) that prevents the compressor from restarting too early after the compressor turns off timer, the thermostat shows "Wait" in the display. If there is activated after a shutdown. The minimum-off timer is a call during the minimum-off . Built-in Compressor Protection...