Honeywell RTH7400 Support Question
Honeywell RTH7400 Support Question
Find answers below for this question about Honeywell RTH7400.Need a Honeywell RTH7400 manual? We have 1 online manual for this item!
Question posted by utvaughn on July 22nd, 2014
Troubleshooting A Rth7400
I haved a RTH7400. My temp is set to 73 in the schedule but it is showing it is set at 69 on the regular screen? This just started suddenly. Checked the batteries and they are ok. Anything else to try or should it be replaced?
Current Answers
Answer #1: Posted by waelsaidani1 on July 23rd, 2014 12:35 AM
waelsaidani1
Member since:
May 12th, 2013 Points: 19,501,797
Member since:
May 12th, 2013 Points: 19,501,797
Hello troubleshooting information for this device is available on pages 24 to 25 of the manual here: https://customer.honeywell.com/resources/techlit/TechLitDocuments/69-0000s/69-2487ES.pdf
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
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, See www.dtsc.ca.gov/hazardouswaste/perchlorate
CAUTION: EQUIPMENT DAMAGE HAZARD.
For assistance with this product please visit http://yourhome.honeywell.com ...
Owner's Manual - Page 3
... 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 ready to go !
Owner's Manual - Page 4
... temperature within 1°F of the level you set. • Change/check reminder lets you many years of reliable service and climate control. It has been designed to give you know when to replace furnace filter. • Large display with backlight is easy to -use thermostat. You've just purchased the world's most advanced, easy-to...
Owner's Manual - Page 5
RTH7400/RTH7500 Series
Your new thermostat is ready to go! Set clock See page 6
2.. Select fan setting: Preset to Auto 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
69-2222EF-03 Then check the settings below and change , see page...
Owner's Manual - Page 7
... 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 Auto
Set to
75
Heat On
System & Fan
Schedule
Clock & Mode
Temperature setting
Fan setting (see page 7)
M28078
Other display messages: •...
Owner's Manual - Page 9
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. System Heat
System
Fan Auto Fan
Done
M28082
7
69-2222EF-03
Owner's Manual - Page 10
Operating Manual
System setting
Press SYSTEM & FAN
System & Fan
Schedule
Clock & More
Press SYSTEM to select mode, then press DONE
M28081
System Heat
System
Fan Auto Fan
69-2222EF-03
Done M28083
Follow steps at left to select system: • Heat: Thermostat controls only the heating system. • Cool: Thermostat controls only the cooling system. •...
Owner's Manual - Page 11
...saving level).
9
69-2222EF-03 LEAVE
8:00 am
70 °
Set to the time you awaken and the temperature you leave for the day.
RETURN
6:00 pm
70 °
Set to the time you... return home and the temperature you want during the morning, until you want during the evening, until bedtime. RTH7400/RTH7500 Series
Save money by setting program schedules
It's easy...
Owner's Manual - Page 12
Operating Manual
Energy saving settings for maximum cost savings
This thermostat is pre-set with energy saving program settings. We recommend these settings, since they can reduce your heating/cooling expenses by as much as 33%. (See next page to adjust times and ...85 ° 62 ° 85 ° 70 ° 78 ° 70 ° 78 ° 62 ° 82 ° 62 ° 82 °
69-2222EF-03
10
Owner's Manual - Page 13
... time for selected days.
4. M28086
Select day(s) Select time Select temp
11
69-2222EF-03 Press DONE to highlight Mon-Fri (they will share the same settings).
3. Press SELECT DAY to save & exit. Repeat steps 3-5 to see weekdays.
2.
Press SCHEDULE, then EDIT to program other time periods (LEAVE, RETURN, SLEEP), then press DONE.
7. Press...
Owner's Manual - Page 14
....)
8. Press SELECT DAY. M28086
Select day(s) Select time Select temp
69-2222EF-03
12 Press NEXT STEP, then s or t to
62 Heat
Next Step
Done
1. Repeat steps 1-6 to program with the same settings.
3. Operating Manual
To adjust program schedules (RTH7500 only)
Press SCHEDULE
System & Fan
Schedule
Clock & More
Press EDIT
Go Back
Edit
M28084 View
MON...
Owner's Manual - Page 15
... time, press USE SCHEDULE.
13
69-2222EF-03 This will temporarily override the temperature setting for the current time period.
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 USE SCHEDULE to resume program schedule
M28087
Press s or...
Owner's Manual - Page 17
... within 3-dgrees of the cool setting, the display will show an up to select between the cool and heat settings. While in the Auto mode, if a schedule override takes place (temporarily or permanently) the thermostat will also show the thermostat is in climates where both "Auto" and either mode.
15
69-2222EF-03
RTH7400/RTH7500 Series
AubtooutCyhoaunrgneeowvetrhermostat
Use this...
Owner's Manual - Page 18
...it gets close to the heat setting, an arrow next to heat will show the thermostat is increasing to maintain a 3-...degree separation.
CAUTION: To avoid possible compressor damage, do not use Auto Changeover if the outside temperature drops below 50°F (10°C).
69-2222EF-03
16 Tue
69 1:09PM System Auto Fan Auto Heat
Temporary Set...
Owner's Manual - Page 19
...
Fan Auto Heat
Reset
Schedule
Clock & More
M28089
Press MORE to reset reminder interval
60
Days
Reset
Next
Done
If activated during installation, the furnace filter reminder alerts you when it expires: 1. Press RESET. 3. M28090
17
69-2222EF-03
Press MORE, then NEXT. 2.
Press DONE to replace your filter. AFibltoeurtryeomuirndnewr thermostat
RTH7400/RTH7500 Series
Press...
Owner's Manual - Page 21
... than a month. Insert 2 fresh AA alkaline batteries
M28101
19
69-2222EF-03
Battery replacement
RTH7400/RTH7500 Series
Grasp thermostat and pull to remove from wallplate
M28103
Batteries are depleted.
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 run on AC power...
Owner's Manual - Page 23
... installed (see page 19). Most problems can be corrected quickly and easily. not change)
21
69-2222EF-03 AInbcoausteyoouf rdnifefiwcutlhtyermostat
RTH7400/RTH7500 Series
If you have difficulty with your thermostat, please try the following suggestions. Display is blank
• Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling system...
Owner's Manual - Page 25
... Dr. N., Golden Valley, MN 55422, or whether a replacement product can be defective or malfunctions, Honeywell shall repair or replace it (at Honeywell's option). This warranty shall not apply if it ;
If at 1-800-468-1502. RTH7400/RTH7500 Series
A1-byoeuatr yliomuirtendewwathrrearnmtyostat
Honeywell warrants this product, excluding battery, to be free from the date of...
Owner's Manual - Page 29
Mode d'emploi
Série RTH7400/RTH7500
Thermostat programmable
69-2222EF-03
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