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XT302C DELUXE PROGRAMMABLE HEAT-COOL THERMOSTAT

69-1213—1 (T8624)

Pub. No. 18-HD25D7-5

Temperature Settings

Refer to Table 2 for the default program. For 7-Day and
24-Hour Operation, the settings are the same for each day of
the week. Refer to the Owners Guide, Pub. No. 22-5127-04,
for instructions on changing the default settings.

 Table 2. Default Program Settings.

The Leave, Return and Sleep periods may be cleared. For
example, the daytime energy-savings period (from Leave to
Return) may not be used by the homeowner. To clear any
period, follow the instructions in the Owners Guide in the
Clearing Schedule Period section.

Fig. 10. Display of all the segments of the LCD.

INSTALLER SETUP

The Installer Setup is used to customize the thermostat for
specific systems. Some of the options include Comfort-R™
control activation, Fahrenheit vs. Centigrade temperature
display, outdoor temperature display (requires outdoor
sensor installation), and system changeover. Installer Setup
numbers are listed in Table 3. The table includes all the
configuration options and the factory-settings for the
XT302C Deluxe Programmable Multistage Thermostat .

NOTE:

For most applications, the thermostat factory-
settings apply. Review the factory settings in Table 2
and if no changes are necessary, go to the Installer
Self-Test section.

IMPORTANT

The chart Customizing Your Thermostat found in the
beginning of the Owners Guide (see Fig. 9) must be
completed. The homeowner identifies the options
you install by referring to this chart.

Installer Setup Procedure

1. Press and hold the Information  

         

Increase 

,

and Decrease 

 keys at the same time until all display

segments and the first setup number displays
(all display segments appear for approximately three
seconds before the setup number displays). See
Figs. 11 and 12.

M10349

INSTALLER SETUP
NUMBER DISPLAY
(COLUMN 2 OF TABLE 3)

FACTORY SETTING OR OTHER 
CHOICE DISPLAY (COLUMN 3
OR 5 OF TABLE 3)

Comfort-R™ 
CONTROL

OFF

ON

AUTO ONLY 
(SYSTEM 
AUTOMATICALLY 
SELECTS HEAT 
OR COOL)

PROGRAMMING

OUTDOOR 
TEMPERATURE 
DISPLAY

SYSTEM 
SETTING 
(HEATING
 AND 
COOLING 
SETTING)

CLOCK 
FORMAT

TEMPERATURE 
DISPLAY

COOLING 
DROOP

Adaptive 
Intelligent 
Recovery™ 
CONTROL 
(A HONEYWELL 
TRADEMARK)

7-DAY 
PROGRAMMING

NO OUTDOOR 
TEMPERATURE 
IS DISPLAYED

AUTO/MANUAL 
(SYSTEM 
AUTOMATICALLY 
SELECTS 
HEAT OR COOL; 
YOU CAN 
SELECT HEAT, 
COOL OR OFF.)

24-HOUR 
CLOCK FORMAT

FARENHEIT (

°

F)

ON

ON

24-HOUR 
PROGRAMMING

NO OUTDOOR 
TEMPERATURE 
IS DISPLAYED

MANUAL ONLY
(YOU SELECT 
HEAT, COOL 
OR OFF.)

24-HOUR 
CLOCK FORMAT

CENTIGRADE (

°

C)

OFF

OFF 
(CONVENTIONAL 
RECOVERY)

CONSTANT 
TEMPERATURE
SETPOINT 
PROGRAMMING

M17110

Fig. 11. Display of Installer Setup number and option.

Aux Ht

Heat

Auto

System

Fan

Off

Auto

Wake

Mon

Wait

In

Room

Outdoor

Auto 

Sav

AM

PM

Hold for

Cool

Repl Batt

On

Recovery

DST

Cool

TueWedThuFriSatSun

LeaveReturnSleep

M17111

Set Program

Set Day/Time

Start Time

Temporary Setting Enrg

Em Heat

Em Ht

Figure 9. Customizing Your Thermostat chart,

from Owners Guide, Pub. No. 22-5127-04.

Period

Time

Heat

Setpoint

Cool

Setpoint

Fan

Setting

Wake

6:00 AM

70

°

F

(21

°

C)

78

°

F

(25.5

°

C)

Auto

Leave

8:00 AM

62

°

F

(16.5

°

C)

85

°

F

(29.5

°

C)

Auto

Return

5:00 PM

70

°

F

(21

°

C)

78

°

F

(25.5

°

C)

Auto

Sleep

10:00 PM

62

°

F

(16.5

°

C)

82

°

F

(28

°

C)

Auto

Summary of Contents for XT302C

Page 1: ...and on the product to make sure the product is suitable for your application 3 Installer must be a trained experienced service technician 4 After completing installation use these instructions to che...

Page 2: ...es See Fig 4 NOTE Use 18 gauge color coded thermostat cable for proper wiring 2 Securely tighten each terminal screw 3 Push excess wire back into the hole 4 Plug the hole with nonflammable insulation...

Page 3: ...y Time Wake Leave Return Sleep Day Heat Cool Settings Daylight Time Copy M12957 Fan Auto Fan On Time Set Program System Filter Fan Run Program Hold Temp Set Current Day Time Wake Leave Return Sleep Da...

Page 4: ...ring to this chart Installer Setup Procedure 1 Press and hold the Information Increase and Decrease keys at the same time until all display segments and the first setup number displays all display seg...

Page 5: ...ed Press Time or Press Increase or Decrease to change setting Installer Factory Setting Other Choices Actual Select Setup Number Display Description Display Description Setting Programming 42 Press Ti...

Page 6: ...call ends 2 Fan operation extends 60 seconds after the call ends 3 Fan operation extends 90 seconds after the call ends Extended fan operation in cooling 20 0 No extended fan operation after the call...

Page 7: ...ring call for cool Temperature range stops in heating 34 85 Highest setpoint heating can be set to 55 to 85 Temperature range 1 F increments heating setpoint can be set to Temperature range stops in c...

Page 8: ...ments of the LCD To start the self test Press and hold the Increase and Decrease keys at the same time until all display segments and the number 10 appears all displays segments appear for approximate...

Page 9: ...Enter Comfort R self test Temp 51 Reads HH terminals If the terminals are open and Comfort R is enabled display reads humidity If the terminals are closed no humidity displays Keyboard Operation Self...

Page 10: ...l not come on Thermostat is not being powered Check for 24 Vac between R and W terminals Check if the circuit breaker is tripped reset the circuit breaker Check if the system fuse is blown replace the...

Page 11: ...eed with troubleshooting Thermostat minimum off time is activated Wait up to five minutes for the system to respond Enter Installer Setup number 39 Reconfigure minimum off time if required System sele...

Page 12: ...12 XT302C DELUXE PROGRAMMABLE HEAT COOL THERMOSTAT 69 1213 1 T8624 Pub No 18 HD25D7 5 69 1213 1 T C Rev 1 99 American Standard Inc Troup Highway Tyler TX 75711 9010 Printed in Taiwan R O C...

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