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 winston932 on October 25th, 2016
How To Open To Replace Batteries
How to open RTH6400D to replace batteries
Current Answers
Answer #1: Posted by jdfitchett on October 25th, 2016 5:41 PM
jdfitchett
Member since:
December 13th, 2012 Points: 477,680
Member since:
December 13th, 2012 Points: 477,680
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 new thermostat 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 heating/cooling system
-
Owner's Manual - Page 4
2 Remove Old Thermostat
Remove old thermostat but leave wallplate with wires attached. Old thermostat
Cover
69-2210EF-03
2
M28099
If so, see back cover for proper disposal instructions. Leave wallplate in place
Is there a sealed tube containing mercury?
Owner's Manual - Page 6
4 Separate Wallplate from new thermostat. Pull here to remove wallplate from New Thermostat
Remove battery holder. Wallplate
M28343
69-2210EF-03
4
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
M28347
9
69-2210EF-03
9 Install Thermostat onto Wallplate
Install thermostat onto the wallplate on the wall.
Owner's Manual - Page 13
... system type. *Heat Pump-an air conditioner that provides cooling in the summer, and also runs in reverse in the winter to provide heating. This thermostat works on 24 volt or 750 mV systems. It will NOT work on page 13 to match your...
Owner's Manual - Page 15
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 next function.
13
69-2210EF-03
TROUBLESHOOTING
M28349
Press NEXT to advance to change settings.
Function
1
Setting
0
Done
Next
Press DONE to exit and save settings.
Owner's Manual - Page 16
... 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 next function. When correct setting is selected, press NEXT to change setting.
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 the O/B W wire terminal (see page ...
Owner's Manual - Page 18
... 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).
Owner's Manual - Page 19
... steam or gravity system: Use this setting if you have a standard gas or oil furnace that is selected, press NEXT to display next function.
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...
Owner's Manual - Page 21
M28351
ASSISTANCE
TROUBLESHOOTING
19
69-2210EF-03
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 and connect to O/B W. Wrap B wire with electrical tape.
21
69-2210EF-03
Do not use .
Connect O wire to terminal as shown here (see page 6). RTH6400
Wiring
If labels do not use C, X or B.
Wrap bare end of wire with electrical tape and do not match letters on the...
Owner's Manual - Page 24
... • Check Function 1: System Type to
system setting make sure it is blank • Make sure fresh AA alkaline batteries are correctly installed (see page 16).
Display is set to match your thermostat, please try the following suggestions. Fan does not turn on when heat is required
• Check Function 3: Heating Fan...
Owner's Manual - Page 25
... your or warm air in heat mode, it is properly configured for the system to restart safely, without damage to the compressor. SETUP
WIRING
Troubleshooting
RTH6400
Heating or
• Press SYSTEM button to set higher than the Inside temperature.
• Check circuit breaker and reset if necessary.
• Make sure power...
Owner's Manual - Page 26
same time (or • Grasp and pull thermostat away
heat does not from wallplate.
SETUP
Advanced Installation Guide
Troubleshooting
Heating
• Check Function 1: System Type to
and cooling equipment running in
make sure ...
Owner's Manual - Page 27
... code before calling.
Battery holder Part No. 50007072-001 Cover plate assembly Part No. 50002883-001
*Use to cover marks left by old thermostats.
Accessories/replacement parts
To order, please call Honeywell Customer Care toll-free at 1-800-468-1502. WIRING
ASSISTANCE
TROUBLESHOOTING
25
69-2210EF-03
SETUP
ACbuosutotmyoeur ransseiwsttahnecremostat
RTH6400
For assistance with...
Owner's Manual - Page 28
...was in the possession of purchase, to be defective or malfunctions, Honeywell shall repair or replace it (at Honeywell's option). THE DURATION OF ANY IMPLIED WARRANTIES, INCLUDING THE WARRANTIES OF ...implied warranty lasts, so the above . 1-year limited warranty
Honeywell warrants this product, excluding battery, to you. If the product is shown by Honeywell that the defect or malfunction was...
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