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 perrynaclia on March 3rd, 2014
How To Change My Display To Celcius
how to i change my display to celcius on my honeywell RTH6400
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
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
- Call 1-800-468-1502 for the most common system
We are here to the store.
69-2210EF-03
ii Installation is preset for wiring assistance before returning the thermostat to help.
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? 2 Remove Old Thermostat
Remove old thermostat but leave wallplate with wires attached.
Old thermostat
Cover
69-2210EF-03
2
M28099
Owner's Manual - Page 6
4 Separate Wallplate from new thermostat.
Wallplate
M28343
69-2210EF-03
4 Pull here to remove wallplate from New Thermostat
Remove battery holder.
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
M28347
9
69-2210EF-03 9 Install Thermostat onto Wallplate
Install thermostat onto the wallplate on the wall.
Owner's Manual - Page 13
...
on multi-stage heat pump systems or 120/240 Volt systems.
11
69-2210EF-03
This thermostat works on 24 volt or 750 mV systems. It will NOT work on page 13 to match your thermostat to your system type or if you have other questions, call us toll-free at 1-800...
Owner's Manual - Page 15
Function
1
Setting
0
Done
Next
Press DONE to change settings.
SETUP
WIRING
ASSISTANCE
M28348
Press s or t to exit and save settings. RTH6400
ASybsotuetmyosuertunpew thermostat
Press and hold the s and FAN buttons until the screen changes (approximately 5 seconds). M28349
Press NEXT to advance to next function.
13
69-2210EF-03
TROUBLESHOOTING
Owner's Manual - Page 16
When correct setting is selected, press NEXT to change setting. M28351
69-2210EF-03
14
TROUBLESHOOTING SETUP
Advanced Installation Guide
Function 1: System type
Press the s or t button to select the type of ...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.
Owner's Manual - Page 17
...).
1 Heating changeover valve: Use this setting if you connected a wire labeled "B" to the O/B W wire terminal (see page 21).
M28351
15
69-2210EF-03
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...
Owner's Manual - Page 18
When correct setting is selected, press NEXT to change setting. M28351
69-2210EF-03
16 ASSISTANCE
TROUBLESHOOTING
Press to display next function. SETUP
WIRING
Advanced Installation Guide
Function 3: Heating fan control
Press the s or t button ...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
...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 change... setting.
Press to continue.
55
WIRING
ASSISTANCE
Done
Next
M28354
5 Gas or oil furnace: Use this setting if you have a standard gas or oil furnace that is selected, press NEXT to display...
Owner's Manual - Page 20
... possible compressor damage, set to display next function.
When correct setting is selected, press NEXT to option 0 if the outside temperature drops below 50ºF (10ºC). M28351
69-2210EF-03
18
SETUP
Advanced Installation Guide
Function 12: Manual/Auto Changeover
Press the s or t button to change setting. TROUBLESHOOTING
Press to select...
Owner's Manual - Page 21
...
Next
M28356
1 Smart Response® Technology ON 0 Smart Response® Technology OFF
NOTE: See Operating Manual for information on Smart Response® Technology. SETUP
WIRING
RTH6400
Function 13: Smart Response® Technology
Press the s or t button to display next function.
Press to change setting. M28351
ASSISTANCE
TROUBLESHOOTING
19
69-2210EF-03
Owner's Manual - Page 22
...
69-2210EF-03
20 When correct setting 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...
Owner's Manual - Page 23
... Do not use .
Wrap bare end of wire with electrical tape and do not match letters on the thermostat, check the chart below and connect to O/B W.
SETUP
WIRING
ASSISTANCE
TROUBLESHOOTING
M28418
If wires will be connected... R and Rc terminals, remove metal jumper (see notes, below). RTH6400
Wiring
If labels do not use C, X or B. Wrap B wire with electrical tape.
21
69-2210EF-03
Owner's Manual - Page 24
...heating and cooling
settings do not temperatures are correctly installed (see page 16). Cannot change
ranges:
• Heat: 40° to 90°F (4.5° to 32...alkaline batteries are set to acceptable
change • Check Function 1: System Type to
system setting make sure it is set to match your thermostat, please try the following suggestions. Display is set to match your ...
Owner's Manual - Page 25
SETUP
WIRING
Troubleshooting
RTH6400
Heating or
• Press SYSTEM button to set system to make sure in system (see page 15). Wait 5 minutes for the system to restart safely, ...
Owner's Manual - Page 27
.... 50002883-001
*Use to cover marks left by old thermostats. To save time, please remove the battery holder and note your model number and date code before calling. SETUP
ACbuosutotmyoeur ransseiwsttahnecremostat
RTH6400
For assistance with this product, please visit http://DIYthermostats.honeywell.com or call Honeywell Customer Care toll-free at 1-800-468-1502.
Similar Questions
Ambient Temperature Display Units
can you change the ambient temperature fron Farenheit to Celcius ?
can you change the ambient temperature fron Farenheit to Celcius ?
(Posted by laertica 5 years ago)
Honeywell Thermostat Rth2310b How To Change From Celcius To
(Posted by livkaSA 9 years ago)
How To Change From Celcius To Farenheit On A Honeywell Thermostat Model Number
rth2310b
rth2310b
(Posted by abo7aalit 9 years ago)
C To F On A Honeywell Rtc8100
How do you change from Celcius to Farenheit on a Honeywell RTC8100?
How do you change from Celcius to Farenheit on a Honeywell RTC8100?
(Posted by aleal57 12 years ago)