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 barrycurcio on May 30th, 2012
I Installed A Honeywell Rth6400d Thermostat In My Home
I installed a Honeywell RTH6400D thermostat in my home and when I installed it found that the heat works fine but the AC and fan don't work
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 the store.
69-2210EF-03
ii It is Easy
Label wires and remove your old thermostat
Install and wire your new thermostat
Set your new thermostat to match your heating/cooling system
- Installation is preset for wiring assistance before returning the thermostat to help.
Owner's Manual - Page 4
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. If so, see back cover for proper disposal instructions.
Owner's Manual - Page 6
Pull here to remove wallplate from New Thermostat
Remove battery holder. Wallplate
M28343
69-2210EF-03
4
4 Separate Wallplate from new thermostat.
Owner's Manual - Page 7
M2834
Thermostat
M28344
5
69-2210EF-03
5 Insert Quick Reference Card
Insert quick reference card into slot in back of thermostat.
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
... you 're done!
If your system type is:
q Heat Pump* without Backup Heat q Heat Only q Cool Only
Continue with advanced installation
on multi-stage heat pump systems or 120/240 Volt systems.
11
69-2210EF-03 If you are not sure of your system type is ... This thermostat works on 24 volt or 750 mV systems. It...
Owner's Manual - Page 15
SETUP
WIRING
ASSISTANCE
M28348
Press s or t to exit and save settings. Function
1
Setting
0
Done
Next
Press DONE to change settings.
M28349
Press NEXT to advance to next function.
13
69-2210EF-03
TROUBLESHOOTING RTH6400
ASybsotuetmyosuertunpew thermostat
Press and hold the s and FAN buttons until the screen changes (approximately 5 seconds).
Owner's Manual - Page 16
... or electric heating with 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...
Owner's Manual - Page 17
... valve: Use this setting if you connected a wire labeled "B" to the O/B W wire terminal (see page 21). 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
TROUBLESHOOTING
Press to ...
Owner's Manual - Page 18
...-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 ...or oil heat: Use this setting if you have a gas or oil heating system (system controls fan operation).
1 Electric heat: Use this setting if you have an electric heating system (thermostat controls fan operation). ASSISTANCE...
Owner's Manual - Page 19
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, ...When correct setting is less 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 system or a gas...
Owner's Manual - Page 21
Press to display next function. When correct setting is selected, press NEXT to change setting. SETUP
WIRING
RTH6400
Function 13: Smart Response® Technology
Press the s or t button to select Smart Response® Technology:
13 1
Done
Next
M28356
1 Smart Response® Technology ON 0 ...
Owner's Manual - Page 23
..., below). Wrap B wire with electrical tape.
21
69-2210EF-03 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 wires will be connected to O/B W. Do...
Owner's Manual - Page 24
SETUP
WIRING
Advanced Installation Guide
Troubleshooting
If you have difficulty with your heating equipment (see page 7).
Fan does not turn on when heat is required
• Check Function 3: Heating Fan Control to make sure it is blank • Make sure fresh AA alkaline batteries are set to 37°C). Most problems can be corrected quickly ...
Owner's Manual - Page 25
....
• Wait 5 minutes for the system to restart safely, without damage to the compressor. cool mode
ASSISTANCE
TROUBLESHOOTING
23
69-2210EF-03 SETUP
WIRING
Troubleshooting
RTH6400
Heating or
• Press SYSTEM button to set system to Cool. Wait 5 minutes for the system to respond. Make sure the temperature
does not
is engaged.
Owner's Manual - Page 26
SETUP
Advanced Installation Guide
Troubleshooting
Heating
• Check Function 1: System Type to
and cooling equipment running in
make sure it is set to 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...
Owner's Manual - Page 27
... marks left by old thermostats. WIRING
ASSISTANCE
TROUBLESHOOTING
25
69-2210EF-03 To save time, please remove the battery holder and note your model number and date code before calling.
Accessories/replacement parts
To order, please call Honeywell Customer Care toll-free at 1-800-468-1502.
SETUP
ACbuosutotmyoeur ransseiwsttahnecremostat
RTH6400
For assistance with...
Owner's Manual - Page 30
... recycled paper containing at least 10% post-consumer paper fibers.
® U.S.
Registered Trademark. 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. Rev. 08-08 MERCURY NOTICE: Do not place your local waste management authority...
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