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Honeywell T6 Pro Programmable Thermostat Instruction Manual

Setting Slider Tabs  
UWP Mounting System  
Set R Slider Tab.  
Use built-in jumper (R Slider Tab)  
to differentiate between one or two  
transformer systems.  
If there is only one R wire, and it is  
connected to the R, Rc, or RH terminal, set  
the slider to the up position (1 wire).  
If there is one wire connected to the R  
terminal and one wire connected to the Rc  
terminal, set the slider to the down position  
(2 wires).  
NOTE: Slider Tabs for U terminals should be  
left in place for T6 Pro models.  
R/Rc slider tab  
Wiring terminal designations  
L/A  
- A  
Heat Pump fault input (most  
common case)  
Universal input for  
wired indoor or outdoor  
sensors  
S
S
Y
O/B  
Changeover valve  
Auxiliary heat relay  
Heat relay (stage 2)  
Compressor contactor  
(stage 1)  
AUX -  
W2  
Compressor contactor  
(stage 2)  
E
Emergency Heat relay  
Heat relay (stage 1)  
Y2  
G
Note: Not all  
terminals may be  
used, depending  
on the system  
type that is being  
wired. The most  
commonly used  
terminals are  
Fan Relay  
W
24VAC common. For 2  
transformer systems,  
use common wire from  
cooling transformer.  
Connect to K on Wire Saver  
Module**  
K
C
24VAC power from heating  
transformer*  
R
U
U
shaded.  
Unused  
24VAC power from cooling  
transformer*  
Rc  
* Terminal can be jumped using Slider Tab. See “Setting Slider Tabs” above.  
** The THP9045A1023 Wire Saver Module is used on heat/cool systems when you  
only have four wires at the thermostat, and you need a fifth wire for a common wire.  
Use the K terminal in place of the Y and G terminals on conventional or heat pump  
systems to provide control of the fan and the compressor through a single wire—the  
unused wire then becomes your common wire. See THP9045 instructions for more  
information.  
3
GeneralDetails
NameHoneywell T6 Pro Programmable Thermostat Instruction Manual
MakeHoneywell
LanguageEnglish
FiletypePDF (Download)
File size1.01 MB
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