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A Note About Programmable Fan:

The programmable fan feature will run the fan continuously during any 

time period it is programmed to be on. This is the best way to keep the 

air circulated and to eliminate hot and cold spots in your building. If 

using 

IAQ

 mode, set fan to 

IAQ

 for any time period.

1. 

 Select 

HEAT 

or

 COOL 

with the 

SYSTEM

 key. 

      

Note: 

You have to program heat and cool each seperately. 

2.

  Press the 

MENU

 button (If menu does not appear first press 

      

RUN SCHED

).

3.

  Press 

SET SCHED

.  

Note:

 Monday is displayed and the

      

OCCUPIED

 text is shown. You are now programming the 

      

OCCUPIED

 time period for that day.

4.

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

      selection for that day’s 

OCCUPIED

 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 

OCCUPIED

 

      period.

7.

  Press 

NEXT.

8.

  Repeat steps 4 through 7 for that day’s 

UNOCCUPIED

 

      time period.

Monday:

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

To customize your 7 day 2 time period program schedule, follow 

these steps:

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37

Programming

Set Program Schedule

 

For Two Time Periods

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-Friday is displayed and the

      

OCCUPIED 

text is shown. You are now programming the 

      

OCCUPIED

 time period for that day.

4.

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

      selection for the weekday 

OCCUPIED

 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 the weekday 

OCCUPIED

      period.

7.

  Press 

NEXT.

8.

  Repeat steps 4 through 7 for the weekday 

UNOCCUPIED

     

 time period.

To customize your 5+1+1 Program schedule, follow these steps:

Weekday:

Repeat steps 4 through 7 for the Saturday 

OCCUPIED 

time period 

and for the Saturday 

UNOCCUPIED

 time period.

Saturday:

Repeat steps 4 through 7 for the Sunday 

OCCUPIED 

time period, and 

for the Sunday 

UNOCCUPIED

 time period.

Sunday:

(OCCUPIED, UNOCCUPIED)

Programming

Set Program Schedule For Four Time Periods

1. 

 Select 

HEAT 

or

 COOL 

with the system switch. 

      

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-Friday is displayed and the

      

WAKE/OCC1

 icon is shown. You are now programming the 

      

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 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 the weekday 

WAKE/OCC1

      period.

7.

  Press 

NEXT.

8.

  Repeat steps 4 through 7 for the weekday 

LEAVE/UNOCC1

     

 time period, for the weekday 

RETURN/OCC2 

time period, 

      and for the weekday 

SLEEP/UNOCC2

 time period.

To customize your 5+1+1 Program schedule, follow these steps:

Weekday:

Repeat steps 4 through 7 for the Saturday 

WAKE/OCC1 

time period, 

for the Saturday 

LEAVE/UNOCC1

 time period, for the Saturday 

RETURN/OCC2

 time period, and for the Saturday 

SLEEP/UNOCC2

 

time period.

Saturday:

Repeat steps 4 through 7 for the Sunday 

WAKE/OCC1 

time period, 

for the Sunday 

LEAVE/UNOCC1

 time period, for the Sunday 

RETURN/OCC2

 time period, and for the Sunday 

SLEEP/UNOCC2

 

time period.

Sunday:

(WAKE, LEAVE, RETURN, SLEEP or OCCUPIED 1, UNOCCUPIED1, OCCUPIED 2, UNOCCUPIED 2)

Set Time

Follow the steps below to set the day of the week and current time:

1. 

 Press the 

MENU

 button.

2.

  Press 

SET TIME.

3.

  Day of the week is flashing. Use the              or              key to 

      select the current day of the week.

4.

  Press 

NEXT.

5.

  The current hour is flashing.  Use the              or               key to  

      select the current hour.  When using 12-hour time, make sure

      the correct a.m. or p.m. choice is selected.

6.

  Press 

NEXT.

7.

  Minutes are now flashing.  Use the              or              key to 

      select current minutes.

8.

  Press 

DONE

 when completed.

All our programmable thermostats are shipped with an energy saving default 

program. You can customize this default program by following the 

instructions in the 

set program schedule section

 starting on page 24.

Programming

Your thermostat can be programmed to have each day of the week 

programmed uniquely (7 days), all the weekdays the same with a separate 

program for Saturday and a separate program for Sunday (5+1+1), or 

non-programmable. For the 7-day and 5+1+1 programming modes, there are 

three time period options. 

1. “4” Residential 

(WAKE, LEAVE, RETURN, SLEEP) 

2. “2C” Commercial 

(OCCUPIED, UNOCCUPIED) 

3. “4C” Commercial 

(OCCUPIED 1, UNOCCUPIED 1, OCCUPIED 2, UNOCCUPIED 2)

This thermostat has a programmable fan feature, which allows you to run the 

fan continually during any time period.

Reminders

Once a reminder has been turned on and set, the elapsed time can be checked 

by navigating to its tech setup step.  The elapsed time will then appear in the 

text field.  It can also be reset at that time by holding down the set time/run 

sched button for 3 seconds.  Resetting an expired reminder can be done without 

entering tech setup, by holding down the set time/run sched button for 3 

seconds from the home screen.

Staging Delay Note: 

This step will not appear if using an outdoor 

balance point temperature.

Programming

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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