Daikin TSTATD2152-2 User manual

Owner's
Manual
TSTATD2152-2
RESIDENTIAL
for
Residential Use
Digital Thermostat
Heat Pump • 5+2 Day Programmable

2
Table of Contents
Safety Warnings ...................................................................3
Location of Controls.............................................................4
Dispay.....................................................................................5
Normal Operation
Manual Operation ..................................................................6
Programmed Operation...........................................................7
Aux Heat.................................................................................8
Clock Set................................................................................9
Time Period Programming
Overview ................................................................................................ 10
Weekday Programming........................................................................ 11
Weekend Programming........................................................................ 14
Advanced Setup...................................................................18
Advanced Features..............................................................19
Factory Defaults...................................................................20
Calibration ............................................................................21
Battery Replacement ..........................................................22
Warranty................................................................................23

The two Alkaline “AA” batteries must be replaced at
least once every 12 months to ensure proper operation.
The Low Battery icon (fig. 1) will appear on the display
when it is time to replace the batteries. If the thermostat
is connected to 24v power, the batteries should still be
installed, but are not required.
When is displayed the batteries must be replaced
immediately. The manufacturer cannot be liable for
improper operation of the thermostat if the batteries are not
immediately replaced.
Annual battery replacement is especially critical in locations
subject to freezing temperatures. The thermostat will be
unable to turn on the heating system if the batteries are
exhausted.
This device complies with Part 15 of the FCC rules. Operation
is subject to the following two conditions: (1)This device may
not cause harmful interference, and (2) this device must accept
any interference received, including interference that may cause
undesired operation.
Follow Installation Instructions carefully.
DISCONNECT POWERTOTHE
HEATER - AIR CONDITIONER
BEFORE REMOVINGTHE OLD
THERMOSTAT AND INSTALLING
THE NEWTHERMOSTAT.
3
fig. 1
Safety Warnings

4
Location of Controls
NEXT BUTTON
RESET FILTER
How to Use: Press and
hold the RESET FILTER
button to clear the
AUX HEAT
SWITCH
Emergency
Normal
Lockout
icon from the
display (pg 5). To adjust
when the icon
appears, see Advanced
Setup screens (pg 19).
FILTER
FILTER
COOLER
&
WA
RMER
BUT
TONS
PROGRAM SWITCH
RUN program
Program OFF
SET program
SET
HEAT
BATTERIES
COOL
OFF
PROGRAM
RUN OFF SET
RESET
FILTER
FAN
NEXT
HEAT
AUX HEAT
NORM
EMRGC’Y LOCKOUT
AUTO
ON On or Auto
FAN SWITCH
For programming
How to use:The NEXT
button is used to advance
from one step to the next
in the programming and
advanced setup screens
(pgs 9 - 18).
BI-COLOR LED
Heat or Cool demand
indicator when system
powered: Red = Heat
Green = Cool
MODE
SWITCH
Cool, Off,
or Heat
Su
PM

5
Display
SET
MTuWThF
SaSu
AM
PM MorningEvening
Day
Night AUX
HEAT
COOL
FILTER
88
88
12:00
1Day of the week. When programming, MTuWThF represent the
five weekdays and SaSu represent the two weekend days.
2Heat and Cool indicators. In normal operation, Heat or Cool
appears, depending on the Mode Switch position. When heat
or cool is energized, the Heat or Cool indicator will flash.
3Clock Display.
4Time period indicators.These indicate the part of the
program that is currently active, if the Program Switch
is positioned to RUN.
5Desired set temperature.
6Current room temperature.
7Indicates that 2nd stage of heat is energized.
8Indicates when the filter should be serviced. Appears
after 0 - 1950 hours of blower operation (adjustable).
9Indicates batteries need replacement.

6
Normal Operation
1Select Cool or Heat with the Mode Switch.
2Normally leave the fan switched to Auto.
In Fan Auto, the fan will turn on only with a heat
or cool demand. When Fan On is selected, the fan will run
continuously.
3Adjust the desired set temperature with the
COOLER and WARMER buttons.
COOLER &
WARMER
BUTTONS
PROGRAM SWITCH
RUN program
Program OFF
SET program
SET
HEAT
BATTERIES
COOL
OFF
PROGRAM
RUN OFF SET
RESET
FILTER
FAN
NEXT
HEAT
AUX HEAT
NORM
EMRGC’Y LOCKOUT
AUTO
ON
On or Auto
FAN
SWITCH
MODE SWITCH
Cool, Off, or Heat
Su
PM
Manual Operation (Program Switch OFF)

7
Normal Operation
1Select Cool or Heat with the Mode Switch.
2Select RUN with the Program Switch.
3Normally leave the fan switched to Auto. In Fan Auto, the fan
will turn on only with a heat or cool demand. When Fan On is
selected, the fan will run continuously.
4The desired set temperature may be temporarily overridden.
The thermostat will revert to the programmed settings in the
following time period.
COOLER &
WARMER
BUTTONS
PROGRAM SWITCH
RUN program
Program OFF
SET program
SET
HEAT
BATTERIES
COOL
OFF
PROGRAM
RUN OFF SET
RESET
FILTER
FAN
NEXT
HEAT
AUX HEAT
NORM
EMRGC’Y LOCKOUT
AUTO
ON
On or Auto
FAN
SWITCH
MODE SWITCH
Cool, Off, or Heat
Su
PM
Programmed Operation

8
Aux Heat
SET
HEAT
BATTERIES
COOL
OFF
PROGRAM
RUN OFF SET
RESET
FILTER
FAN
NEXT
HEAT
AUX HEAT
NORM
EMRGC’Y LOCKOUT
AUTO
ON
AUX HEAT
SWITCH
Su
PM
Emergency - Disables all compressor functions* and energizes only Aux
Heat to satisfy the heat demand.
Normal - Aux Heat is allowed to run, if necessary, along with the heat
pump to satisfy the heat demand.
Lockout - Aux Heat will never turn on regardless of the heat demand.
* When the Aux Heat switch is in the Emergency position the compressor
will also be locked out during cooling operation.

PROGRAM
RUN OFF SET
PM
Su
9
Clock Set
Slide the Program Switch
to the SET position.
Setting the time & day are the first two steps after sliding the Program
Switch to SET.
This thermostat is preprogrammed from the factory to operate
1 or 2-Stage equipment without the need for further programming.
To optimize the installation of this thermostat follow the instructions
in the Advanced Setup section.
To slew the time more rapidly, push and hold the
COOLER or WARMER buttons.
Use these buttons to
adjust the current time.
Use these buttons to
adjust the current day.
NEXT
Press NEXT
to advance

10
Time Period Programming
Overview
• Slide the Program Switch to the SET position.
• The blinking icon(s) on the display may be
changed by pressing the COOLER or WARMER
buttons.
• After the blinking icon is changed to the desired
selection, press the NEXT button.
• Each item in the time period programming screens will flash and can
be modified with the COOLER & WARMER buttons.
• Continue the steps above until programming is complete.
• Slide the Program Switch to RUN and the thermostat will run the time
period program.
• If the Program Switch is in the OFF position, the thermostat will not run
the time period program. In this case, the thermostat will be a manual
heat or cool only thermostat.
PROGRAM
RUN OFF SET
PM
Su
PROGRAM SWITCH

11
Time Period Programming
PROGRAM
RUN OFF SET
AM
MTuWThF
Morning
AM
MTuWThF
Morning
SET
COOL
AM
MTuWThF
Morning
SET
HEAT
AM
MTuWThF
Day
Weekday Programming
Setting the time & day are the first two steps after
sliding the Program Switch to SET (page 9).
Use these buttons to
adjust the start time for
the morning time period.
Use these buttons to
adjust the cool setpoint for
the morning time period.
Use these buttons to
adjust the heat setpoint for
the morning time period.
Use these buttons to
adjust the start time for
the day time period.
Next Page
NEXT
Press NEXT
to advance
NEXT
Press NEXT
to advance
NEXT
Press NEXT
to advance
NEXT
Press NEXT
to advance

AM
MTuWThF
AM
MTuWThF SET
COOL
SET
PM
MTuWThF
Evening
HEAT
PM
MTuWThF
Day
Day
Evening
SET
COOL
12
Time Period Programming
Weekday Programming
Use these buttons to
adjust the cool setpoint for
the day time period.
Use these buttons to
adjust the heat setpoint for
the day time period.
Use these buttons to
adjust the start time for
the evening time period.
Use these buttons to
adjust the cool setpoint for
the evening time period.
Next Page
NEXT
Press NEXT
to advance
NEXT
Press NEXT
to advance
NEXT
Press NEXT
to advance
NEXT
Press NEXT
to advance

13
Time Period Programming
Weekday Programming
PM
MTuWThF
PM
MTuWThF
HEAT
SET
PM
MTuWThF
Evening
PM
MTuWThF
Night
Night
Night
SET
HEAT
COOL
SET
Use these buttons to
adjust the heat setpoint for
the evening time period.
Use these buttons to
adjust the start time for
the night time period.
Use these buttons to
adjust the cool setpoint for
the night time period.
Use these buttons to
adjust the heat setpoint for
the night time period.
Next Page
NEXT
Press NEXT
to advance
NEXT
Press NEXT
to advance
NEXT
Press NEXT
to advance
NEXT
Press NEXT
to advance

14
Time Period Programming
Weekend Programming
AM
SaSu
AM
SaSu
COOL
SET
SaSu
Morning
Morning
AM Morning
AM
SaSu
Day
HEAT
SET
Use these buttons to
adjust the start time for
the morning time period.
Use these buttons to
adjust the cool setpoint for
the morning time period.
Use these buttons to
adjust the heat setpoint for
the morning time period.
Use these buttons to
adjust the start time for
the day time period.
Next Page
NEXT
Press NEXT
to advance
NEXT
Press NEXT
to advance
NEXT
Press NEXT
to advance
NEXT
Press NEXT
to advance

15
Time Period Programming
Weekend Programming
AM
SaSu
AM
SaSu
COOL
SET
SET
SaSu
PM Evening
PM
SaSu
Day
Day
HEAT
COOL
SET
Evening
Use these buttons to
adjust the cool setpoint for
the day time period.
Use these buttons to
adjust the heat setpoint for
the day time period.
Use these buttons to
adjust the start time for
the evening time period.
Use these buttons to
adjust the cool setpoint for
the evening time period.
Next Page
NEXT
Press NEXT
to advance
NEXT
Press NEXT
to advance
NEXT
Press NEXT
to advance
NEXT
Press NEXT
to advance

16
Time Period Programming
Weekend Programming
PM
SaSu
PM
SaSu
HEAT
SET
SaSu
PM
Evening
PM
SaSu
Night
Night
Night
COOL
HEAT
SET
SET
Use these buttons to
adjust the heat setpoint for
the evening time period.
Use these buttons to
adjust the start time for
the night time period.
Use these buttons to
adjust the cool setpoint for
the night time period.
Use these buttons to
adjust the heat setpoint for
the night time period.
Next Page
NEXT
Press NEXT
to advance
NEXT
Press NEXT
to advance
NEXT
Press NEXT
to advance
NEXT
Press NEXT
to advance

17
Time Period Programming
After you have completed setting the time period
programming, you have two options:
1) Run the time period program by sliding the
Program Switch to the RUN position.
OR
2) Do not run the time period program.The
thermostat will operate as a manual heat or cool
thermostat. Slide the Program Switch to OFF in
this case.
PROGRAM
RUN OFF SET
PROGRAM
RUN OFF SET

18
Advanced Setup
This is normally done by installer at initial installation.
Enter advanced setup by sliding the Program Switch to SET.
When the clock is flashing, press the NEXT button for 5 seconds.
Do not release the button until this screen appears.
* ON is only available if the thermostat is system powered.
Use these buttons to
adjust the deadband
from 1 to 6 degrees.
Use these buttons to
adjust the Cycles Per Hour
from 2 to 6.
d=no limit (zoning)
d1=d+no compressor
lockout (page 19).
Select backlight operation
when a button is pressed:
OFF: Never turns on.
2,4,6 or 8: Seconds
backlight will be on.
ON: Always on.*
Use these buttons to select
thermostat operation in
degrees C or F.
Continued
NEXT
Press NEXT
to advance
NEXT
Press NEXT
to advance
NEXT
Press NEXT
to advance
NEXT
Press NEXT
to advance

19
Advanced Setup
About Advanced Features & Operation
SET
NEXT
Press NEXT
to advance
RESET
FILTER
Press RESET
FILTER Press and hold the
RESET FILTER button
to reset the filter
counter to 0 and
remove the
icon from the display.
Adjust the number of
hours the blower will
run before the
icon appears on the
display. 0 = off.
Slide the Program Switch to OFF or RUN to exit Advanced Setup.
CYCLES PER HOUR -The Cycles Per Hour setting (page 18)
monitors the number of times per hour your HVAC unit may
energize. For example, at a setting of 6 cycles per hour the HVAC
unit will only be allowed to energize once every 10 minutes. The
Cycles Per Hour limit may be temporarily overridden by pressing
the WARMER or COOLER button.
TWO STAGE OPERATION - The 2nd stage of heat (auxiliary heat)
is turned on when the room temperature is equal to or less
than: the setpoint minus the 1st stage deadband (one degree,
adjustable), minus the 2nd
stage deadband (two
degrees, non-adjustable).
FILTER ICON - The icon will appear after a set number
of hours for fan run time (see above) has been achieved.This
counter keeps track of the number of hours of fan run time
whether the fan is energized in the heating or cooling modes, or
in stand alone operation.
Actual hours of
fan operation
Heat or Cool
Setpoint
Deadband Deadband
db 1
db 2 (adj. 1˚-6˚ )
1st Stage
turn on
2nd Stag
e
turn on
Heating
(non-adj. 2˚)
Deadband
db 1
(adj. 1˚-6˚)
1st Stage
turn on
Cooling

Press NEXT
to advance
NEXT
PROGRAM
RUN OFF SET
EveningMorning
MTuWThF
SaSu
Day
Night
HEAT
AUX
COOL
PM
AM
FILTER
SET
EveningMorning
MTuWThF
SaSu
Day
Night
HEAT
AUX
COOL
PM
AM
FILTER
SET
20
Factory Defaults
If, for any reason, you desire to return all the stored settings back
to the factory default settings, follow the instructions below.
Enter advanced setup by sliding the Program Switch to SET.When the
clock is flashing, press the NEXT button for 5 seconds. Do not release the
button until this screen appears.
When the Cycles Per Hour is
flashing, press and hold the NEXT
button until this screen appears.
Press and hold the NEXT
button again until this
screen appears.
After restoring factory
defaults, the thermostat
screen will display all icons.
Slide the Program Switch to OFF or RUN to return
to normal operation.
WARNING: This will reset all Time Period and Advanced Programming to
the default settings. Any information entered prior to this reset will be
permanently lost.