Honeywell RTH6400 Support Question
Honeywell RTH6400 Support Question
Find answers below for this question about Honeywell RTH6400.Need a Honeywell RTH6400 manual? We have 1 online manual for this item!
Question posted by donsallyf on December 29th, 2011
Is It Possible To Change Temperature Readings From Degrees F To Degrees C?
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Current Answers
Related Honeywell RTH6400 Manual Pages
Owner's Manual - Page 1
Quick Installation Guide
RTH6400 Series
Programmable Thermostat 69-2210EF-03
Owner's Manual - Page 2
Call 1-800-468-1502 for the most common system
We are here to help. Installation is preset for wiring assistance before returning the thermostat to match your heating/cooling system
- It is Easy
Label wires and remove your old thermostat
Install and wire your new thermostat
Set your new thermostat to the store.
69-2210EF-03
ii
Owner's Manual - Page 4
If so, see back cover for proper disposal instructions. 2 Remove Old Thermostat
Remove old thermostat but leave wallplate with wires attached. Old thermostat
Cover
69-2210EF-03
2
M28099
Leave wallplate in place
Is there a sealed tube containing mercury?
Owner's Manual - Page 6
Pull here to remove wallplate from New Thermostat
Remove battery holder. 4 Separate Wallplate from new thermostat. Wallplate
M28343
69-2210EF-03
4
Owner's Manual - Page 7
5 Insert Quick Reference Card
Insert quick reference card into slot in back of thermostat. M2834
Thermostat
M28344
5
69-2210EF-03
Owner's Manual - Page 10
Back of thermostat
M28346
69-2210EF-03
8 8 Install Batteries
Install two AA alkaline batteries.
Owner's Manual - Page 11
9 Install Thermostat onto Wallplate
Install thermostat onto the wallplate on the wall. M28347
9
69-2210EF-03
Owner's Manual - Page 13
... toll-free at 1-800-468-1502. If your system type is ... If you 're done! This thermostat works on 24 volt or 750 mV systems. It will NOT work on page 13 to match your thermostat to provide heating.
If your system type. *Heat Pump-an air conditioner that provides cooling in...
Owner's Manual - Page 15
Function
1
Setting
0
Done
Next
Press DONE to change settings.
RTH6400
ASybsotuetmyosuertunpew thermostat
Press and hold the s and FAN buttons until the screen changes (approximately 5 seconds). SETUP
WIRING
ASSISTANCE
M28348
Press s or t to exit and save settings. M28349
Press NEXT to advance to next function.
13
69-2210EF-03
TROUBLESHOOTING
Owner's Manual - Page 16
M28351
69-2210EF-03
14
TROUBLESHOOTING When correct setting is selected, press NEXT to change setting.
SETUP
Advanced Installation Guide
Function 1: System type
Press the s or t button to select the type of system you have in your ... central air conditioning. (Use this setting if you could turn the fan on and off with a fan switch on your old thermostat.)
Press to display next function.
Owner's Manual - Page 17
SETUP
WIRING
RTH6400
Function 2: Heat pump changeover valve
Press the s or t button to select whether your changeover valve is selected, press NEXT to display next function. ASSISTANCE
...appear, please turn to the next page to continue.
20
Done
Next
M28352
0 Cooling changeover valve: Use this setting if you connected a wire labeled "B" to change setting. M28351
15
69-2210EF-03
Owner's Manual - Page 18
...69-2210EF-03
16 ASSISTANCE
TROUBLESHOOTING
Press to display next function.
When correct setting is selected, press NEXT to change setting.
SETUP
WIRING
Advanced Installation Guide
Function 3: Heating fan control
Press the s or t button to select your... controls fan operation).
1 Electric heat: Use this setting if you have an electric heating system (thermostat controls fan operation).
Owner's Manual - Page 19
M28351
17
69-2210EF-03
TROUBLESHOOTING SETUP
RTH6400
Function 5: Heating cycle rate
Press the s or t button to select your heating system and optimize its operation: NOTE: If Function 5 does not appear, please turn ... furnace of greater than 90% efficiency.
1 Gas/oil steam or gravity system: Use this setting if you have a steam or gravity heat system.
Press to change setting.
Owner's Manual - Page 20
TROUBLESHOOTING
Press to option 0 if the outside temperature drops below 50ºF (10ºC).
CAUTION: To avoid possible compressor damage, set to change setting. M28351
69-2210EF-03
18
When correct setting is selected, press NEXT to select Manual or Auto Changeover:
12 0
WIRING
ASSISTANCE
Done
Next
M28355
0 ...
Owner's Manual - Page 21
M28351
ASSISTANCE
TROUBLESHOOTING
19
69-2210EF-03 SETUP
WIRING
RTH6400
Function 13: Smart Response® Technology
Press the s or t button to display next function. When correct setting is selected, press NEXT to... Response® Technology ON 0 Smart Response® Technology OFF
NOTE: See Operating Manual for information on Smart Response® Technology.
Press to change setting.
Owner's Manual - Page 22
...is selected, press DONE to change setting. SETUP
WIRING
Advanced Installation Guide
AFubnocuttioynou1r4n: eTwemthpermatousrteadt isplay
Press the s or t button to select Fahrenheit or Celsius temperature display:
14 0
Done
Next
0 Fahrenheit temperature display (°F) 1 Celsius temperature display (°C)
M28357
Press to exit and save changes. M28351
ASSISTANCE
TROUBLESHOOTING
69...
Owner's Manual - Page 23
...metal jumper (see notes, below). Wrap bare end of wire with electrical tape and do not match letters on the thermostat, check the chart below and connect to terminal as shown here (see page 6).
SETUP
WIRING
ASSISTANCE
TROUBLESHOOTING
M28418
If ...you have a heat pump.
Wrap B wire with electrical tape.
21
69-2210EF-03 Do not use . RTH6400
Wiring
If labels do not use C, X or B.
Owner's Manual - Page 24
... and cooling equipment
(see page 14). ASSISTANCE
TROUBLESHOOTING
69-2210EF-03
22 Cannot change
ranges:
• Heat: 40° to 90°F (4.5° to 32°C).
• Cool: 50° to 99°F (10° to match your thermostat, please try the following suggestions. SETUP
WIRING
Advanced Installation Guide
Troubleshooting
If you...
Owner's Manual - Page 25
... 5 minutes for the system to restart safely, without damage to Heat.
SETUP
WIRING
Troubleshooting
RTH6400
Heating or
• Press SYSTEM button to set system
cooling system to the compressor. Make sure the temperature
does not
is set higher than the Inside
respond
temperature.
• Press SYSTEM button to set lower than the Inside...
Owner's Manual - Page 30
... regarding recycling and proper disposal. CAUTION: To avoid possible compressor damage, do not run air conditioner if the outside temperature drops below 50°F (10°C). D542,677 and other patents pending. © 2008 Honeywell International Inc. 69-2210EF-03 M.S.
Contact your old thermostat in the trash if it contains mercury in U.S.A. on...
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