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Question posted by mattkeelean on May 20th, 2013

Rth7400 Displays Temp Reading Six Degrees Higher Than Room Temp. Help!

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Related Honeywell RTH7400 Manual Pages

Owner's Manual - Page 1

Operating Manual RTH7400/RTH7500 Series Programmable Thermostat 69-2222EF-03

Owner's Manual - Page 2

...All rights reserved. Need Help? For assistance with this product please visit http://yourhome.honeywell.com or call Honeywell Customer Care toll-free at 1-800-468-1502 Read and save these instructions.... Patents pending. This manual covers the RTH7400 and RTH7500 models. (Pull thermostat from wallplate and turn over to find model number) This thermostat contains a Lithium battery which may apply...

Owner's Manual - Page 3

...4 Quick reference to status display 5 Programming & Operation Clock setting 6 Fan setting 7 System setting 8 Using program schedules 9 Program schedule overrides 13 Auto Changeover 15 Filter reminder 17 Special features 18 RTH7400/RTH7500 Series Appendices Battery replacement 19 Customer assistance 20 In case of difficulty 21 Limited warranty 23 This thermostat is pre-programmed and...

Owner's Manual - Page 4

...'s most advanced, easy-to read-even in the dark. 69-2222EF-03 2 It has been designed to give you many years of the level you set. • Change/check reminder lets you know when to replace furnace filter. • Large display with backlight is easy to -use thermostat. Operating Manual About your new...

Owner's Manual - Page 5

... pre-programmed and ready to go. RTH7400/RTH7500 Series Your new thermostat is ready to go to Auto To change if needed: 1.. Select system setting: Preset to...levels while you're at work or asleep (assumes you have to Heat To change , see pages 10-14 ONE-TOUCH TEMP CONTROL: You can override the program schedule at any time, and manually adjust the temperature (see pages 13-14). 3...

Owner's Manual - Page 7

Quick reference to status display Current day of week Current inside temperature RTH7400/RTH7500 Series Current time Smart Response® Technology in effect (see page 15) System setting (see page 8) Mon 75 Recovery System Cool 6:01 AM Fan ...

Owner's Manual - Page 8

...time, then press DONE Mon M28079 6:01 AM Go Back 69-2222EF-03 Done M28080 To set the current time display, press CLOCK, then press s or t to advance the time more quickly. Note: The real-time clock ... Press and hold s or t to adjust the time. Note: To change the current week day display, see System Setup in your Installation Guide. 6 Press DONE to save & exit (or press GO BACK to exit...

Owner's Manual - Page 9

System Heat System Fan Auto Fan Done M28082 7 69-2222EF-03 Fan setting Press SYSTEM & FAN System & Fan Schedule Clock & More M28081 Press FAN to select mode, then press DONE RTH7400/RTH7500 Series Press SYSTEM & FAN, then FAN to select fan operation: • On: Fan is always on. • Auto: Fan runs only when the heating or cooling system is on.

Owner's Manual - Page 11

... you awaken and the temperature you leave for the day. You can program four time periods each day, with different settings for maximum energy savings. RTH7400/RTH7500 Series Save money by setting program schedules It's easy to the time you leave home and the temperature you want while you want during...

Owner's Manual - Page 13

... Next Step Done 1. Press NEXT STEP, then s or t to see weekdays. 2. RTH7400/RTH7500 Series To adjust program schedules (RTH7400 only) Press SCHEDULE System & Fan Schedule Clock & More Press EDIT Go Back Edit M28084...steps 3-5 to save & exit. M28086 Select day(s) Select time Select temp 11 69-2222EF-03 Press SCHEDULE, then EDIT to set Heat temperature for selected days. 4.

Owner's Manual - Page 14

... time for this time period. 5. Press NEXT STEP twice, then press s or t to set Cool temperature for selected day(s). 4. M28086 Select day(s) Select time Select temp 69-2222EF-03 12

Owner's Manual - Page 15

... 69-2222EF-03 When the timer expires, the program schedule will resume and set the temperature to immediately adjust the temperature. Program schedule override (temporary) RTH7400/RTH7500 Series Mon 62 System Heat System & Fan Adjust temperature Temporary Set to 68 6:08 AM Heat On Fan Auto Use Schedule Clock & More Press...

Owner's Manual - Page 17

... 3-dgrees of the cool setting, the display will automatically adjust the cooling and heating settings to maintain a 3-degree separation between the heat and cool to ... 3-dgreee separation. The display will also show the thermostat is in Auto, the thermostat automatically selects heating or cooling depending on the same day. RTH7400/RTH7500 Series AubtooutCyhoaunrgneeowvetrhermostat Use this...

Owner's Manual - Page 18

... If the cool temperature is lowered to where it gets close to the heat setting, an arrow next to heat will show the thermostat is increasing to maintain a 3-degree separation. Tue 69 1:09PM System Auto Fan Auto Heat Temporary Set To 74 Heat Cool System Hold Cancel M27486 The triangle indicates the...

Owner's Manual - Page 19

... reminder interval 60 Days Reset Next Done If activated during installation, the furnace filter reminder alerts you when it expires: 1. Press MORE, then NEXT. 2. AFibltoeurtryeomuirndnewr thermostat RTH7400/RTH7500 Series Press RESET after changing the filter, to restart the timer.

Owner's Manual - Page 20

... automatically adjust settings to maintain this 3-degree separation. The thermostat will come on the indoor temperature. CAUTION: To avoid possible compressor damage, do not use Auto Changeover if the outside temperature drops below 50°F (10°C). 69-2222EF-03 18 The message "Recovery" is displayed when the system is 70° by...

Owner's Manual - Page 21

...-03 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 from wallplate M28103 Batteries are depleted. Battery replacement RTH7400/RTH7500 Series Grasp thermostat and pull to run on AC power when installed.

Owner's Manual - Page 23

...03 No response to Make sure heating and cooling temperatures are correctly installed (see page 19). Display is blank • Check circuit breaker and reset if necessary. • Make sure power...& cooling system is on. • Make sure furnace door is closed securely. • If thermostat is battery powered, make sure fresh AA alkaline batteries are set to acceptable ranges: key presses (...

Owner's Manual - Page 24

... is on . • Make sure furnace door is closed securely. • If "Wait" is displayed, the compressor protection timer is set system to Heat. Operating Manual AInbcoausteyoouf rdnifefiwcutlhtyermostat Heating or • Press SYSTEM to set cooling system higher than the Inside temperature. • Check circuit breaker and reset if necessary. • Make...

Owner's Manual - Page 25

... defective, (i) return it, with a bill of sale or other dated proof of purchase, to the place from the date of purchase by damage which you . RTH7400/RTH7500 Series A1-byoeuatr yliomuirtendewwathrrearnmtyostat Honeywell warrants this product, excluding battery, to be sent to you purchased it is shown by Honeywell that the defect...