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Question posted by agtb on August 8th, 2014

How To Lock Honeywell Th8320u1008

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Answer #1: Posted by BusterDoogen on August 24th, 2014 1:30 PM

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Go to page 27 for the permanent hold or lock screen setting procedure.

Fully Locked Screen

In this mode, all keys are locked and not functional. To unlock

screen, see Installer Setup section on page 15. The screen continuously

displays “Screen Locked.”

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Related Honeywell TH8320U1008 Manual Pages

Owner's Manual - Page 1

Operating Manual VisionPRO® TH8000 Series Touchscreen Programmable Thermostat 69-1894EFS-01

Owner's Manual - Page 2

... the following models TH8110U: For 1 Heat/1 Cool systems TH8320U: For up to 3 Heat/2 Cool systems TH8321U: For up to 3 Heat/2 Cool systems with dehumidification (Pull thermostat from wallplate and turn over to press touchscreen keys. Copyright © 2009 Honeywell International Inc. BE CAREFUL!

Owner's Manual - Page 3

... 9 Program schedule overrides 12 Vacation hold 14 Special features 15 Screen lock 16 Screen cleaning 17 Humidity display & control 18 Appendices Battery replacement 20 Advanced functions 21 In case of difficulty 26 Optional remote sensors 28 Limited warranty 29 This thermostat is below 50˚F (10˚C). 1 69-1894EFS-01 Your new...

Owner's Manual - Page 4

...critical components. • Large touchscreen display with backlight is easy...thermostat. ENGLISH Operating Manual About your heating/cooling expenses. • One-touch temp control overrides program schedule at any time. • Precise comfort control keeps temperature within 1°F of the level you set. • Change/check reminders let you many years of reliable service and touchscreen...

Owner's Manual - Page 5

... See pages 10-13 ENGLISH ONE-TOUCH TEMP CONTROL: You can override the program schedule at 6 pm and go . VisionPRO® TH8000 Series Your new thermostat is pre-programmed and ready to go to energy-saving levels while you're at work or asleep (assumes you wake at 6 am, leave at...

Owner's Manual - Page 6

... models only) SCHED HOLD CLOCK SCREEN MORE Press to override program schedule (see pages 12-14) Press to set clock (see page 6) M29344 Press to lock keypad for 30 seconds to clean screen (see page 17) 69-1894EFS-01 4

Owner's Manual - Page 10

... locked out.** ** Select models only 69-1894EFS-01 8 ENGLISH Operating Manual System setting WED 70 FAN Inside AUTO SYSTEM HEAT 6:01 AM 70 Set To Following Schedule SCHED HOLD CLOCK SCREEN MORE M29349 Press the SYSTEM button to select, then press DONE. • Heat: Thermostat controls only the heating system. • Cool: Thermostat...

Owner's Manual - Page 12

... by as much as 33%. (See next page to use EnergyStar® program settings. ENGLISH Operating Manual EnergyStar® settings for maximum cost savings This thermostat is pre-set to adjust times and temperatures of each time period.) Wake (6:00 am) Leave (8:00 am) Return (6:00 pm) Sleep (10:00 pm...

Owner's Manual - Page 17

ENGLISH 15 69-1894EFS-01 The heat will come on before 6 am , and the temperature to Auto, the thermostat automatically selects heating or cooling depending on screen. Adaptive Intelligent Recovery: This feature allows the thermostat to "learn" how long the furnace and air conditioner take to prevent equipment damage. Compressor Protection: This feature...

Owner's Manual - Page 18

... unlock the screen, press any unlocked key while SCREEN LOCKED appears on page 25. 69-1894EFS-01 16 When partially locked, the screen displays SCREEN LOCKED for screen lock options M29357 To prevent tampering, the screen can be partially or fully locked. ENGLISH Operating Manual Screen lock WED 70 FAN Inside AUTO SYSTEM HEAT 6:00PM SCREEN...

Owner's Manual - Page 19

...glass cleaner. Screen cleaning VisionPRO® TH8000 Series Press SCREEN 6:00PM SCHED HOLD CLOCK SCREEN MORE M29358 Screen lock timer (30 seconds) 30 OK TO CLEAN SCREEN Press SCREEN to clean the screen. ENGLISH M29359 17 69...can clean the screen without changing any liquid directly on the thermostat. Note: Do not spray any settings. Spray liquids onto a cloth, then use the damp cloth to...

Owner's Manual - Page 21

...) Press MORE until the humidity screen is displayed 6:00PM SCHED HOLD CLOCK SCREEN MORE Press to set the desired humidity level. The thermostat monitors humidity. When humidity increases, the thermostat runs the air conditioner longer to reduce humidity (up to save & exit CANCEL M29362 19 69-1894EFS-01 DONE Press to save...

Owner's Manual - Page 22

... a month. Even if the warning does not appear, you should replace batteries once a year, or before batteries are optional (to provide backup power) if your thermostat was wired to remove fom wallplate M29363 Batteries are depleted. ENGLISH M29364 Insert 3 fresh AAA alkaline batteries 69-1894EFS-01 20 Operating Manual ABbatotuetryyoruerplnaecwemtheenrtmostat Grasp...

Owner's Manual - Page 25

...-1894EFS-01 Temperature format (°F/°C) Function 0320 Press s/t to set the temperature display format: Options: 0 Fahrenheit 1 Celsius Daylight savings time on (7-day programmable). Thermostat is non-programmable. 4 Program schedule is pre-programmed to automatically adjust to daylight savings time. ENGLISH Advanced functions VisionPRO® TH8000 Series Program schedule on...

Owner's Manual - Page 27

... Function 0640 Press s/t to set the desired interval: 0 Off (no reminder to choose a screen lock setting (see page 16): Options: 0 Screen is unlocked (fully functional) 1 All functions locked except temperature controls and CANCEL key 2 Screen is fully locked 25 69-1894EFS-01 Press s/t to set the clock display format: Options: 12 12-hour...

Owner's Manual - Page 28

... (or temperature will not change) • Check to make sure the thermostat is not locked (see page 20). • If thermostat is AC powered, a dim display is battery powered, make sure fresh AAA...176; to 99°F (10° to 37°C) ENGLISH Backlight is dim • If thermostat is pressed. 69-1894EFS-01 26 Most problems can be corrected quickly and easily. Make sure heating ...

Owner's Manual - Page 29

does not respond • Press SYSTEM to set lower than the Inside temperature. Auto indicates the thermostat is set system to Heat. If Auto and On is shown, the fan is normal operation. Make sure the temperature is on. Wait 5 minutes for "...

Owner's Manual - Page 30

... 28 If an indoor remote sensor is installed, the display shows the indoor temperature at the location of the sensor. (The internal sensor in the thermostat is disabled.) If more than one indoor sensor is displayed.

Owner's Manual - Page 31

... Customer Care will make the determination whether the product should be returned to the following address: Honeywell Return Goods, Dock 4 MN10-3860, 1885 Douglas Dr. N., Golden Valley, MN 55422, ... cover removal or reinstallation costs. ENGLISH 5-year limited warranty VisionPRO® TH8000 Series Honeywell warrants this product, excluding battery, to be free from defects in the possession of...

Owner's Manual - Page 33