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Programming

Programming

Custom Program

Day of 

the Week

Events

Time

Setpoint 

Temperature

(HEAT)

Setpoint 

Temperature

(COOL)

Weekday

Saturday

Sunday

Wake/OCC1

Leave/UNOCC1

Return/OCC2
Sleep/UNOCC2

Wake/OCC1

Leave/UNOCC1

Return/OCC2

Sleep/UNOCC2

Wake/OCC1

LeaveUNOCC1

Return/OCC2

Sleep/UNOCC2

Occupied
Unoccupied

Occupied

Unoccupied

Occupied

Unoccupied

Programming

39

40

Default Programming

Factory Default Program

Day of 

the Week

Events

Time

Setpoint 

Temperature

(HEAT)

Setpoint 

Temperature

(COOL)

Weekday

Saturday

Sunday

Wake/OCC1

Leave/UNOCC1

Return/OCC2

Sleep/UNOCC2

Wake/OCC1

Leave/UNOCC1

Return/OCC2

Sleep/UNOCC2

Wake/OCC1

LeaveUNOCC1

Return/OCC2

Sleep/UNOCC2

6 AM

8 AM

6 PM

10 PM

6 AM

8 AM

6 PM

10 PM

6 AM

8 AM

6 PM

10 PM

70

˚

F (21

˚

C)

62

˚

F (17

˚

C)

70

˚

F (21

˚

C)

62

˚

F (17

˚

C)

70

˚

F (21

˚

C)

62

˚

F (17

˚

C)

70

˚

F (21

˚

C)

62

˚

F (17

˚

C)

70

˚

F (21

˚

C)

62

˚

F (17

˚

C)

70

˚

F (21

˚

C)

62

˚

F (17

˚

C)

75

˚

F (24

˚

C)

83

˚

F (28

˚

C)

75

˚

F (24

˚

C)

78

˚

F (26

˚

C)

75

˚

F (24

˚

C)

83

˚

F (28

˚

C)

75

˚

F (24

˚

C)

78

˚

F (26

˚

C)

75

˚

F (24

˚

C)

83

˚

F (28

˚

C)

75

˚

F (24

˚

C)

78

˚

F (26

˚

C)

Programming

1. 

 Select 

HEAT 

or

 COOL 

with the 

SYSTEM

 key. 

      

Note: 

You have to program heat and cool each separately. 

2.

  Press the 

MENU

 button (If menu does not appear first, press 

      

RUN SCHED

).

3.

  Press 

SET SCHED

.  

Note:

 Monday is displayed and the

      

WAKE/OCC1

 icon is shown. You are now programming the 

      

WAKE/OCC1

 time period for that day.

4.

  Time is flashing.  Use the            or              key to make your time 

      selection for that day’s 

WAKE/OCC1

 time period.  

     

 Note:

 If you want the fan to run continuously during this time

      period, select 

ON

 with the 

FAN 

key. If you want to use 

IAQ

 

      mode during this time period, select 

IAQ

 with the 

FAN

 key.

5.

  Press 

NEXT.

6.

  The setpoint temperature is flashing.  Use the             or             key 

      to make your setpoint selection for that day’s 

WAKE/OCC1

      period.

7.

  Press 

NEXT.

8.

  Repeat steps 4 through 7 for that day’s 

LEAVE/UNOCC1

     

 time period, for that day’s 

RETURN/OCC2 

time period, 

      and for that day’s 

SLEEP/UNOCC2

 time period.

To customize your 7 day 4 time period Program schedule, follow 

these steps:
Monday:

Repeat steps 4 through 8 for the remaining days of the week.

A Note About Auto Changeover:

In Auto you have the ability to switch between Auto Heat or Auto Cool 

by pressing the system key. This can be done once the current mode has 

reached its setpoint. For example: if in Auto Heat, the heat setpoint must 

be satisfied before the thermostat will allow you to switch to Auto Cool. 

You can switch out of Auto by holding down the system key. To get back 

into Auto, you must toggle the system key to Auto.

Factory Default Program for 2 Time Periods

Day of 

the Week

Events

Time

Setpoint 

Temperature

(HEAT)

Setpoint 

Temperature

(COOL)

Weekday

Saturday

Sunday

OCCUPIED

UNOCCUPIED

OCCUPIED

UNOCCUPIED

OCCUPIED

UNOCCUPIED

8 AM

6 PM

6 PM

6 PM

8 AM

70

˚

F (21

˚

C)

62

˚

F (17

˚

C)

78

˚

F (26

˚

C)

83

˚

F (28

˚

C)

8 AM

70

˚

F (21

˚

C)

62

˚

F (17

˚

C)

70

˚

F (21

˚

C)

62

˚

F (17

˚

C)

78

˚

F (26

˚

C)

83

˚

F (28

˚

C)

78

˚

F (26

˚

C)

83

˚

F (28

˚

C)

You can use the table on the next page to plan your customized program 

schedule if using 5+1+1.

Default Programming

Summary of Contents for T855SH

Page 1: ...ld be flush with the wall 4 Wires should be pushed into the wall Installation Tips The thermostat should be installed approximately 4 to 5 feet above the floor Select an area with average temperature...

Page 2: ...at or cool is on 2 will appear for the third stage of heat Setpoint Displays the user selectable setpoint temperature Hold is displayed when the thermostat program is permanently overridden System Ope...

Page 3: ...lay a jumper can be installed between E and W2 Magnet in door Use the bevel on lower ridge Thermostat Quick Reference The low battery icon is displayed when the AA battery power is low Whenever the th...

Page 4: ...t OFF 5 10 15 30 45 60 or 90 minutes STAGING DELAY OF This feature allows the installer to select the minimum run time for the compressor For example a setting of 4 will force the compressor to run fo...

Page 5: ...t will turn on at 68 5 F and turn off at approximately 69 F Technician Setup Menu You can configure this thermostat to have 2 or 4 programmable time periods per day Time Periods Only displayed if prog...

Page 6: ...o select OFF LOW or HIGH OFF configures the display light to come on when the light key or any button is pressed LOW configures the display light to stay on at a low intensity constantly When a button...

Page 7: ...oor sensor 35 120 HIGH LIMIT Use the or keys to select the Low Limit for the floor sensor 35 120 50 86 86 50 LOW LIMIT OF OFF FREE COOLING The temperature of the floor sensor will be displayed Note On...

Page 8: ...79 6 80 6 73 8 74 7 75 7 77 2 78 2 80 2 81 2 82 7 75 2 76 3 77 3 78 8 79 8 81 8 82 8 84 3 76 1 77 1 78 1 79 9 80 9 83 4 84 4 86 2 77 78 79 81 82 85 86 88 77 9 79 1 80 3 82 3 83 6 86 6 88 3 91 78 7 80...

Page 9: ...below HUM Terminal Onlyshowsif humidifyisset to on Usetheleftandrightarrowsto selectoneofthefouroptions ViewtheHUMterminalchart belowforanexplanationof theseoptions ON HUM TERMINAL 1 3 Options for ho...

Page 10: ...he WAKE OCC1 time period for the weekday setting 4 Time is flashing Use the or key to make your time selection for the weekday WAKE OCC1 time period Note If you want the fan to run continuously during...

Page 11: ...hat day s WAKE OCC1 time period Note If you want the fan to run continuously during this time period select ON with the FAN key If you want to use IAQ mode during this time period select IAQ with the...

Page 12: ...splay HOLD and RUN SCHED on the bottom of the screen when you press the or key If you do nothing the temperature will remain at this setpoint temporarily for 4 hours The program setpoint will then rep...

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