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Setting
I cannot change the Setting of the current day of the week For example- today is Thursday, but therm...
I cannot change the Setting of the current day of the week For example- today is Thursday, but therm...
(Posted by Mikenoryzhny 7 years ago)
Honeywell Rth7400 Thermostat What Is Heat Cycle
(Posted by ugAvasar 9 years ago)
Can I Screen Lock Rth7400
(Posted by miccisa8 9 years ago)
How Do I Reset The Date On My Honeywell Thermostat Rth7400
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How To Instal A Rth7400d1008 Honeywell Thermostate
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Popular Honeywell RTH7400 Manual Pages
Owner's Manual - Page 1
Operating Manual
RTH7400/RTH7500 Series
Programmable Thermostat
69-2222EF-03
Owner's Manual - Page 2
... and save these instructions.
® U.S. Perchlorate Material-special handling may contain Perchlorate material. All rights reserved.
Registered Trademark. To prevent possible compressor damage, do not operate cooling system when outdoor temperature is below 50°F (10°C). Patents pending. This manual covers the RTH7400 and RTH7500 models.
(Pull thermostat from wallplate and...
Owner's Manual - Page 4
... been designed to -use thermostat. Features
• Easy-to-follow menu programming. • 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 reminder lets you many years of reliable service and climate control. Operating Manual
About your new...
Owner's Manual - Page 5
...: You can override the program schedule at work or asleep (assumes you have to do is set the time and day. RTH7400/RTH7500 Series
Your new thermostat is pre-programmed and ready to go ! This thermostat is ready to go .
Then check the settings below and change , see pages 13-14).
3
69-2222EF-03 Select fan...
Owner's Manual - Page 6
System & Fan Press to select fan operation (see page 7) or system (see page 6) or furnace filter reminder. Schedule Press to set program schedule (see pages 11-12).
69-2222EF-03
4
M28426
Clock & More Press to make selections from screen menus.
Operating Manual
Quick reference to controls
Arrow buttons Press to adjust temperature (see pages 11-14), or to set clock (see page 8).
Owner's Manual - Page 8
...
69-2222EF-03
Done M28080
To set the current time display, press CLOCK, then press s or t to exit without changing the time).
Note: To change the current week day display, see System Setup in your Installation Guide.
6
Note: The real-time clock should never require adjustment since it automatically updates for daylight savings time, and stores...
Owner's Manual - Page 10
...for heat pumps with auxiliary heat): Thermostat controls Emergency and Auxiliary Heat. Compressor is locked out.
Operating Manual
System setting
Press SYSTEM & FAN
System & Fan...Thermostat controls 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.
...
Owner's Manual - Page 12
We recommend 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)
... ° 78 ° 62 ° 82 ° 62 ° 82 °
69-2222EF-03
10 Operating Manual
Energy saving settings for maximum cost savings
This thermostat is pre-set with energy saving program...
Owner's Manual - Page 13
...
11
69-2222EF-03 Press NEXT STEP, then s or t to set Cool temperature for selected days.
4. Repeat steps 1-6 to program other time periods (LEAVE, RETURN, SLEEP), then press DONE.
7. Press SELECT DAY to
62 Heat
Next Step
Done
1.
RTH7400/RTH7500 Series
To adjust program schedules (RTH7400 only)
Press SCHEDULE
System & Fan
Schedule
Clock & More
Press...
Owner's Manual - Page 14
... SELECT DAY. Press NEXT STEP twice, then press s or t to set Wake time for this time period.
5. Press NEXT STEP, then s or t to set Cool temperature for selected day(s).
4. You can select multiple days to
62 Heat
Next Step
Done
1. Operating Manual
To adjust program schedules (RTH7500 only)
Press SCHEDULE
System & Fan
Schedule
Clock & More...
Owner's Manual - Page 15
... time, press USE SCHEDULE.
13
69-2222EF-03
The new temperature 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...
Owner's Manual - Page 16
... 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
Hold
Cancel
Press s or t to turn off program schedule and maintain set will turn off the program schedule. Press HOLD to...
Owner's Manual - Page 20
... time to 6 am , so the temperature is 70° by the time you set to Auto, the thermostat automatically selects heating or cooling depending on the same day.
Operating Manual
Special features
Smart Response® Technology: This feature allows the thermostat to "learn" how long the furnace and air conditioner take to reach programmed temperature...
Owner's Manual - Page 21
... power) if your thermostat was wired to run on AC power when installed.
Install fresh batteries immediately when the LO BATT warning begins flashing. Insert 2 fresh AA alkaline batteries
M28101
19
69-2222EF-03 The warning flashes about 30 days before leaving home for more than a month. Battery replacement
RTH7400/RTH7500 Series
Grasp thermostat and pull to remove...
Owner's Manual - Page 23
...installed (see page 19). not change)
21
69-2222EF-03
temperature will • Cool: 50° to 99°F (10° to 32°C). Most problems can be corrected quickly and easily. AInbcoausteyoouf rdnifefiwcutlhtyermostat
RTH7400/RTH7500 Series
If you have difficulty with your thermostat...; If thermostat is battery powered, make sure fresh AA alkaline
batteries are set to acceptable...
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