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 Doctjony on March 8th, 2014
Rth7400d Temperature Wont Change
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Current Answers
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: ... U.S. Patents pending. To prevent possible compressor damage, do not operate cooling system when outdoor temperature is below 50°F (10°C).
Owner's Manual - Page 3
... 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 !
Your new thermostat is ready to check settings.
1
69-2222EF-03 See page 3 to...
Owner's Manual - Page 4
... the dark.
69-2222EF-03
2 Operating Manual
About your new thermostat
Congratulations!
You've just purchased the world's most advanced, easy-to -follow menu programming. • One-touch temp control overrides program schedule at any time. • Precise comfort control keeps temperature within 1°F of reliable service and climate control. Features
•...
Owner's Manual - Page 5
RTH7400/RTH7500 Series
Your new thermostat is pre-programmed and ready to go ! This thermostat is ready to go . All you wake at 6 am, leave at 8 am, return at 6 pm and go to Auto To change , see page 7
3.. Select fan setting: Preset to bed at any time, and manually adjust the temperature (see pages 10-14...
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...
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
... only the heating system. • Cool: Thermostat controls only the cooling system. • Auto: Thermostat automatically selects heating or cooling depending on how your thermostat was installed.
8 Compressor is locked out.
Note: The Auto and Em Heat system settings may not appear, depending on the indoor temperature. • Off: All systems are off. •...
Owner's Manual - Page 11
...savings. WAKE
6:00 am
62 °
Set to the time you leave home and the temperature you want during the evening, until you are away (usually an energy-saving level). LEAVE
...temperature you want overnight (usually an energy-saving level).
9
69-2222EF-03 RETURN
6:00 pm
70 °
Set to the time you return home and the temperature you want during the morning, until bedtime.
RTH7400...
Owner's Manual - Page 12
...these settings, since they can reduce your heating/cooling expenses by as much as 33%. (See next page 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)
Heat (...62 ° 82 °
69-2222EF-03
10 Operating Manual
Energy saving settings for maximum cost savings
This thermostat is pre-set with energy saving program settings.
Owner's Manual - Page 13
... NEXT STEP twice, then press s or t to set Cool temperature for this time period.
5. Press NEXT STEP, then s or t to set Heat temperature for selected days.
4. Press NEXT STEP, then s or t...SELECT DAY.)
8. Repeat steps 3-5 to
62 Heat
Next Step
Done
1.
RTH7400/RTH7500 Series
To adjust program schedules (RTH7400 only)
Press SCHEDULE
System & Fan
Schedule
Clock & More
Press EDIT
Go ...
Owner's Manual - Page 15
... 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 t to the level you've programmed for the current time period.
The new temperature will resume...
Owner's Manual - Page 16
... will be maintained 24 hours a day, until you set temperature
M28088
69-2222EF-03
14 Whatever temperature you manually change it, or press USE SCHEDULE to cancel "Hold" and resume the program schedule. Operating Manual
Program schedule override (permanent)
Mon
62
System Heat
Adjust temperature
Set to
6:08 AM 68
Fan Auto
Permanent Hold...
Owner's Manual - Page 17
...in Auto, the thermostat automatically selects heating or cooling depending on the same day. For example, if the heat temperature is raised to...thermostat will show an up arrow next to "cool" to show both air conditioning and heating are currently adjusting. Press the system button to select between the heat and cool to maintain a 3-degree separation between the cool and heat settings. RTH7400...
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...
Owner's Manual - Page 19
... time to replace your filter.
Press RESET. 3.
Press MORE, then NEXT. 2. M28090
17
69-2222EF-03 AFibltoeurtryeomuirndnewr thermostat
RTH7400/RTH7500 Series
Press RESET after changing the filter, to restart the timer. Press RESET after changing filter
Change Filter
70
Set to
6:01 AM 70 Heat On
System
Fan Auto Heat
Reset
Schedule
Clock & More
M28089...
Owner's Manual - Page 20
... "learn" how long the furnace and air conditioner take to reach programmed temperature settings, so the temperature is 70° by the time you set to Auto, the thermostat automatically selects heating or cooling depending on before 6 am , and the temperature to prevent equipment damage.
The heat will automatically adjust settings to maintain this...
Owner's Manual - Page 21
..., 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.
Install fresh batteries immediately when the LO BATT warning...
Owner's Manual - Page 23
...furnace door is closed securely. • If thermostat is battery powered, make sure fresh AA ...temperature will • Cool: 50° to 99°F (10° to Make sure heating and cooling temperatures are correctly installed (see page 19).
not change)
21
69-2222EF-03 AInbcoausteyoouf rdnifefiwcutlhtyermostat
RTH7400/RTH7500 Series
If you have difficulty with your thermostat...
Owner's Manual - Page 29
Mode d'emploi
Série RTH7400/RTH7500
Thermostat programmable
69-2222EF-03
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