Honeywell RTH6400D Support Question
Honeywell RTH6400D Support Question
Find answers below for this question about Honeywell RTH6400D.Need a Honeywell RTH6400D manual? We have 1 online manual for this item!
Question posted by hanusbrandon on November 11th, 2014
Heat Isn't Blowing
When we turn on the heat, we can hear it kick on and can hear it running but there is no heat blowing out any of the vents. It's supposed to be 73 degrees in our house but it's only 66 instead?
Current Answers
Answer #1: Posted by TommyKervz on November 12th, 2014 7:15 AM
TommyKervz
Member since:
January 10th, 2013 Points: 17,776,813
Member since:
January 10th, 2013 Points: 17,776,813
Troubleshooting instructions below
http://www.realestate.com/advice/tips-on-troubleshooting-your-home-thermostat-75589/
Related Honeywell RTH6400D Manual Pages
Owner's Manual - Page 1
Quick Installation Guide
RTH6400 Series
Programmable Thermostat 69-2210EF-03
Owner's Manual - Page 2
It is Easy
Label wires and remove your old thermostat
Install and wire your new thermostat
Set your new thermostat to help. Call 1-800-468-1502 for the most common system
We are here to match your heating/cooling system
- Installation is preset for wiring assistance before returning the thermostat to the store.
69-2210EF-03
ii
Owner's Manual - Page 3
1 Turn Off Power to Heating/ Cooling System
M28097
1
69-2210EF-03
Owner's Manual - Page 4
If so, see back cover for proper disposal instructions. Leave wallplate in place
Is there a sealed tube containing mercury? Old thermostat
Cover
69-2210EF-03
2
M28099
2 Remove Old Thermostat
Remove old thermostat but leave wallplate with wires attached.
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 9
M27513
Labels don't match? Have a Heat Pump system? 7 Connect Wires
Simply match wire labels. See page 14. Remove metal jumper if you have both R and Rc wires. See page 21.
Call 1-800-468-1502 for wiring assistance.
7
69-2210EF-03 We are here to help.
Owner's Manual - Page 10
8 Install Batteries
Install two AA alkaline batteries. Back of thermostat
M28346
69-2210EF-03
8
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 12
M28098
69-2210EF-03
10 10 Turn Power Back On
Turn the power back on to the heating/cooling system.
Owner's Manual - Page 13
... or 750 mV systems. It will NOT work on page 13 to match your thermostat to your system type. *Heat Pump-an air conditioner that provides cooling in the summer, and also runs in reverse in the winter to provide heating.
If you are not sure of your system type or if you 're...
Owner's Manual - Page 15
Function
1
Setting
0
Done
Next
Press DONE to next function.
13
69-2210EF-03
TROUBLESHOOTING M28349
Press NEXT to advance to exit and save settings.
SETUP
WIRING
ASSISTANCE
M28348
Press s or t to change settings. RTH6400
ASybsotuetmyosuertunpew thermostat
Press and hold the s and FAN buttons until the screen changes (approximately 5 seconds).
Owner's Manual - Page 16
... central air conditioning.
1 Heat pump: Outside compressor provides both heating and cooling.
2 Heating only: Gas, oil or electric heating without central air conditioning.
3 Heating only with fan: Gas, oil or electric heating without 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...
Owner's Manual - Page 17
When correct setting is used in heating or cooling: NOTE: If Function 2 does not 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 "O" to the O/B W wire terminal (see page 21).
1 Heating changeover valve: Use this setting if you connected...
Owner's Manual - Page 18
... this setting if you have an electric heating system (thermostat controls fan operation). M28351
69-2210EF-03
16
SETUP
WIRING
Advanced Installation Guide
Function 3: Heating fan control
Press the s or t button to select your heating system and fan operation: NOTE: If Function 3 does not appear, please turn to the next page to display next function...
Owner's Manual - Page 19
... than 90% efficient.
9 Electric furnace: Use this setting if you have any type of electric heating system.
3 Hot water or high-efficiency furnace: Use this setting if you have a hot water...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 to the next page to...
Owner's Manual - Page 20
... correct setting is selected, press NEXT to select Manual or Auto Changeover:
12 0
WIRING
ASSISTANCE
Done
Next
M28355
0 Manual Changeover: (Heat/Off/Cool)
1 Automatic Changeover: (Heat/Off/Cool/Auto) Automatically turns on heat or cool based on room temperatures. TROUBLESHOOTING
Press to option 0 if the outside temperature drops below 50ºF (10ºC).
NOTE...
Owner's Manual - Page 23
Connect O wire to both O and B if you have a heat pump. 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). Wrap B wire with electrical tape.
21
69-2210EF-03 RTH6400
Wiring
If ...
Owner's Manual - Page 24
... match your thermostat, please try the following suggestions.
ASSISTANCE
TROUBLESHOOTING
69-2210EF-03
22 Most problems can be corrected quickly and easily.
Temperature Make sure heating and cooling...
settings do not temperatures are correctly installed (see page 16). Fan does not turn on when heat is required
• Check Function 3: Heating Fan Control...
Owner's Manual - Page 25
...5 minutes for your or warm air in system (see page 15).
SETUP
WIRING
Troubleshooting
RTH6400
Heating or
• Press SYSTEM button to set system to the compressor.
Make sure the temperature....
• Check circuit breaker and reset if necessary.
• Make sure power switch at heating & cooling system is on.
• Make sure furnace door is set higher than the Inside...
Owner's Manual - Page 26
...-2210EF-03
24
SETUP
Advanced Installation Guide
Troubleshooting
Heating
• Check Function 1: System Type to
and cooling equipment running in
make sure
turn off)
bare wires are not touching each
other (see page 6). same time (or • Grasp and pull thermostat away
heat does not from wallplate. Heating system• Check Function 1: System Type to
is...
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