Bosch TSTBT4H2CP-M--A Programming instructions

Thermostat
Installation and Operation Manual
Series
Bosch Communicating Thermostats
TSTBT4H2CP Series
TSTBT4H2CP-M--A
TSTBT4H2CPHM--A
6 720 220 387 Revised 06-13
2
TSTBT4H2CP SERIES
Table of Contents
The TSTBT4H2CP Series offers:.................................... 3
Lost Gateway Communication.................................... 28
Thermostat Application Guide...................................... 3
Low Heating Output.................................................... 28
TSTBT4H2CP Series Thermostat Quick Reference....... 4
Low Cooling Output.................................................... 28
Features of the Transmitting and Receiving Module
(TRM)............................................................................ 5
Lost Power.................................................................. 28
Installing the TSTBT4H2CP Thermostat Series............. 6
Wall Locations.............................................................. 6
Installing the TRM1 Receiving Module.......................... 6
Wiring the Thermostat and Receiving Module............... 7
Wiring Diagrams........................................................... 7
Temperature Sensor Connections................................ 9
TS1 and TS2 ................................................................. 9
Remove the Battery Tab.............................................. 10
Install the Thermostat on the Sub-Base...................... 10
Tech Setup Features................................................... 11
Tech Setup Menu........................................................ 11
Tech Menu Setup Explanations................................... 17
Understanding Swing and Staging.............................. 25
Displaying and Resetting the Service Messages......... 26
Fault Codes................................................................. 26
Enabling Fault Code Messages................................... 26
Displaying Equipment Service Messages.................... 26
High Pressure Alert..................................................... 26
Low Pressure Alert...................................................... 26
Freeze Condition Alert................................................ 27
Condensate Line Alert................................................ 27
Brownout Alert ........................................................... 27
Evaporator Freeze Alert .............................................. 27
Lost Equipment Communication ................................ 28
6 720 220 387
Initial Thermostat Settings......................................... 29
Selecting Heating or Cooling...................................... 29
Selecting Auto or Cont Fan......................................... 29
Adjusting the Temperature Setting............................. 29
Adjusting RH Setpoints for Humidity Control.............. 29
Selecting Operating Mode.......................................... 29
Setting the Time and Day of the Week......................... 30
Schedule Programming.............................................. 30
7 Day Program Schedule............................................. 31
Custom Program Schedule......................................... 31
Locking the Thermostat.............................................. 32
Hidden Lock key.......................................................... 32
Calibrating the Indoor Relative Humidity Sensor........ 33
Displaying the Time and Temperature Schedule......... 33
Factory Default Program............................................. 34
TSTBT4H2CP Thermostat Series
Installation Troubleshooting ...................................... 35
Available Accessories for the
TSTBT4H2CP Thermostat Series................................ 37
Product Limited Warranty........................................... 38
Warranty Coverage..................................................... 38
Items Not Covered...................................................... 38
Conditions Of Warranty.............................................. 38
Limited Warranty........................................................ 39
Warranty Claims Process............................................ 39
Subject to change without prior notice
Revised 06-13
TsTbT4h2Cp seRies
Thermostat application guide
The Bosch TSTBT4H2CP Thermostat Series consists of
4-wire MODBUS communicating thermostats. Utilizing
RS485 MODBUS protocol, the TSTBT4H2CP Thermostat
Series can communicate with the equipment, monitor the
performance, and report the status of the equipment.
The MODBUS protocol is received and then translated to
pulses to be received by the HVAC equipment. This
translation is performed by the TRM (Transmitting and
Receiving Module). The thermostat and TRM
communicate via 2 wire MODBUS, the TRM and the HVAC
equipment communicates via 4-12 wires utilizing pulses.
The Bosch TSTBT4H2CP Thermostat Series
communicates utilizing MODBUS protocol to the TRM or
will communicate directly utilizing MODBUS protocol to a
Bosch Zone Panel (P/N: 7738002975) if a zone system is
installed.
Although MODBUS is a standard protocol,
this only is true for the architecture of the
protocol. The data that is actually
transmitted varies from manufacturer to
manufacturer. Bosch TSTBT4H2CP
Thermostat Series will only communicate
correctly with the TRM or Bosch Zone Panel.
Do not attempt to mix the Bosch
TSTBT4H2CP Thermostat Series with any
other controller.
The TsTbT4h2Cp seRies offeRs:
• Modbus thermostat with large LCD and touch
screenwith blue LED back lighting
• Receiving Module COM LED blinks during
Modbuscommunication and turns red if communication
with thermostat is lost
• Optional return air temperature sensor maintains safe
space temperature if communication with thermostat is
lost for 10 minutes
The TSTBT4H2CPHM--A offers all of the above features in
addition to:
• Optional Humidifier Control
• Cool to Dehumidify for further humidity removal
• Selectable over cooling temperature used with Cool to
dehumidify feature
TheRMosTaT appliCaTion guide
Description
Available
Gas or Oil Heat
Yes
Electric Furnace
Yes
Heat Pump (No Aux. or Emergency Heat)
Yes
Heat Pump (With Aux. or Emergency Heat)
Yes
Multi-Stage Systems
Yes
Heat Only Systems
Yes
Cool Only Systems
Yes
Dual Fuel Systems
Yes
Milivolt
Yes
Humidifier Control
Yes
Auto Changeover
Yes
MODBUS Communicating
Yes
• Low back light level when touch keys not used
• Four schedules per day, 7-day programmable
• Up to four-stage heating and 2-stage cooling
• Optional automatic fan operation during daytime on
selected days
• Compatible with conventional and dual fuel heatpumps
and gas electric systems
• Optional temperature sensors for dis-charge air
temperature and outdoor air temperature
• Optional remote space temperature sensors
• Diagnostic monitor indicates equipment alerts and loss
of communications
• Service monitors for filter, UV Bulb and humidifier pad
• Optional keyboard lock
Revised 06-13
3
Subject to change without prior notice
6 720 220 387
4
TsTbT4h2Cp seRies
quick Reference
TsTbT4h2Cp seRies TheRMosTaT quiCK RefeRenCe
getting to know your thermostat
Displays the operating mode,
Schedule,
Temporary
Hold mode,
or Hold.
Displays
the operating
Schedule, Temporary Hold or Hold.
Displays the schedule period,
Morning,
Daytime,
Evening period,
or Night.
Displays
the schedule
Morning, Daytime, Evening or Night.
Displays time of day and weekday
Displays time of day and weekday
Day
Day
Displays heating, cooling or RH setpoint.*
Displays heating, cooling or RH setpoint.*
Up and Down keys used
Up and
Down setpoints.*
keys used
to adjust
to adjust setpoints.*
Schedule
We
Schedule
We
Battery charge indicator.
.
Battery
charge
indicator
(program
saving
battery
(program saving battery
only; the battery will not
only; the battery will not
power the thermostat)
power the thermostat)
Heat
Heat Set To
Set To
AM
AM
Insid eHEAT
Insid e
HEAT
SYSTEM
SYSTEM
AUTO
AUTO
MENU
MODE
NEXT
ENTER
MENU
MODE
NEXT
ENTER
FAN
FAN
System key selects Off, Heat only,
System
selects
only,
Em key
Heat,
Cool Off,
onlyHeat
or Autmatic
Em Heat, Cool only or Autmatic
Heat/Cool.
Heat/Cool.
key selectsAutomatic
Fan Fan
key selectsAutomatic
or On.or On.
Previous
key
when
in
programming
Previous key when in programming
mode mode
Displays
the indoor
temperature
Displays
the indoor
temperature
whenwhen
setting
heating
or cooling
the indoor
setting
the the
heating
or cooling
or theorindoor
RH%
when
setting
thesetpoint*.
RH setpoint*.
RH%
when
setting
the RH
Menukey
keyused
usedtotodisplay
display
Menu
Usermenu
menuselection.
selection.
User
Switches
setpoint
display
between
Switches
the the
setpoint
display
between
heating,
cooling
or RH%*
.
heating,
cooling
or RH%*
.
Modekey
keyselects
selectsbetween
between
Schedule,
Mode
Schedule,
temporaryHold
Holdororcontinuous
continuous
Hold.
temporary
Hold.
MENU, MODE, NEXT, & ENTER buttons change
functionalities during programming or other type of menu
setting changes. Their function is described for that specific
function within the Tech Setup Section.
Press the hidden clock key to set the
Press the hidden clock key to set the
time of day and weekday.
time of day and weekday.
Press the hidden schedule key
Press the hidden schedule key
to program the Morning, Day,
to program the Morning, Day,
Evening and Night schedules.
Evening and Night schedules.
Press the hidden Message key
Press
theblinking
hiddentoMessage
key
when
display the
when blinking
display the
equipment
alerttomessages.
equipment alert messages.
MornDay EveNight
Zone
Temp
Hold Schedule
MornDay
EveNight Hom eZone
Mo Temp
Tu WeHold
Th FrSchedule
SaSu
Hom e
FrAi r
Message
Mo Tu We Th Fr SaSu
PM
Heat Cool RH%FrAi r
Option
Message
AM
Set
To Cool RH%
OFF
PM
Heat
Option
HEAT
AM
Set To
EmHeatOFF
Inside
HEAT
Com
COOL
Outside
EmHeat
AUTO
AuxHeat
RH% Inside
Com
COOL
Clean
Outside
Filter
AuxHeat
SYSTEMAUTO
RH%
Vacant
HumPad
Clean
Filter
SYSTEM
Locked
UV Bulb
AUTO
Vacant
HumPad ON
Locked
UV Bulb
AUTO
MENU
MODE
NEXT
ENTER
FAN ON
Press the hidden Lock key when
Press
thefeature
hiddenisLock
keyto
when
the
Lock
enabled
lock
or unlock
theis
keys
using to
the
the Lock
feature
enabled
2-digit
lock orcode.
unlock the keys using the
2-digit code.
When in a menu setup, this
MODE
is blank
andthis
is
When button
in a menu
setup,
used
as a
Cancel
MODE
button
is button.
blank and is
used as a Cancel button.
MENU
MODE
NEXT
ENTER
FAN
Filter, HumPad or UV Bulb will blink when
service
is required.
Press
key when
Filter,
HumPad or
UV the
Bulbhidden
will blink
areaservice
to resetisthe
service timers
afterhidden key
required.
Press the
servicing
thereset
equipment.
area to
the service timers after
servicing the equipment.
*Humidity Features only available with the TSTBT4H2CPHM--A model and the TSTBT4H2CPHMW-A model.
*Humidity Features only available with the TSTBT4H2CPHM--A model and the TSTBT4H2CPHMW-A model.
6 720 220 387
Subject to change without prior notice
Revised 06-13
TSTBT4H2CP SERIES
Transmitting and Receiving Module
5
Features of the Transmitting and Receiving Module (TRM)
Mercury Notice: All Bosch thermostats are
mercury free. However, if the product you are
replacing contains mercury, dispose of it properly.
Your local waste management authority can give
you instructions on recycling.
Caution
Features, Receiving Module
Optional Return Air Temperature Sensor
If communication is lost between the Receiving
Module and Thermostat for 10 minutes, the sensor
is used to control the space temperature.
HVAC Status
Red if heating call, blinks during second stage heating call.
Yellow if cooling call, blinks during second stage cooling call.
Green if fan call.
Communication Status
Blinks green during Modbus communication
with thermostat and turns red if communication with
thermostat fails 10 times.
Relay
HVAC Control
Terminals can be configured for
conventional or dual fuel heat
pumps or gas/electric systems.
Relay
Relay
Relay
Relay
Relay
Relay
Relay
Modbus Thermostat Communication
A 4-wire thermostat cable between the Receiving
Module and the Thermostat provides Modbus
communication using RS485.
Equipment Monitor
The PDU terminal is used to monitor
Bosch equipment and indicate any
alert messages at the Thermostat.
Humidifier Control
These terminals are used to
control a humidifier.
Optional Temperature Sensors
TS1 and TS2 can be used to monitor dis-charge air temperature,
outdoor temperature or can be used as remote space temperature
sensors. See Installer options 13 and 14.
Revised 06-13
Subject to change without prior notice
De-Humidication Control
The HUM terminal can be used to
control de-humidification using the
cooling or hot gas reheat.
6 720 220 387
n
n
6
TsTbT4h2Cp seRies
installing the Thermostat
insTalling The TsTbT4h2Cp
TheRMosTaT seRies
Caution
A trained, experienced technician must install this
product. Carefully read these instructions. You could
damage this product or cause a hazardous condition
if you fail to follow these instructions. See the product
specifications at the end of this manual prior to
installing.
To insure a solid fit between the thermostat
and the subbase:
1. Mount subbase to a flat wall
2. Use screws provided
3. Drywall anchors should be flush with the wall
4. Wires should be pushed into the wall
Wall loCaTions
Do not install thermostats in locations that are:
• On an exterior Wall
• In direct sunlight
• Where there may be concealed chimneys or pipes
behind the wall
• Close to a window or door leading outside
• Close to objects radiating heat such as fire places,
lighting, space radiators, or any other applicance
• In areas that do not require conditioning
• In dead spots or where drafts can occur (behind doors
or in corners)
• Close to hot or cold air ducts
Pick an installation location that is easy for the
user to access. The temperature of the location
should be representative of the building.
Mounting the Thermostat
First, separate the thermostat and sub-base using a flat
blade screw driver as shown below.
insTalling The TRM ReCeiving
Module
TRM stands for Transmitting and Receiving Module. The
TRM communicates with the TSTBT4H2CP Thermostat
Series using the MODBUS protocol and then translates
the MODBUS protocol to pulses and relays these signals
to the HVAC equipment.
The Receiving Module can be installed adjcent to or
within the HVAC equipment.
Secure to wall or equipment
with screws at top and bottom.
P/N 7738002948
Descriptive Part#
TSTB-TRM--6--A
Receiving Module
24VAC, 2VA, No Load
Made in USA
COM
HVAC
Remove these screws (4)
to access terminals.
Screw driver
Rotate the screw driver tip so the thermostat separates
from the sub-base and then pull the thermostat away from
the sub-base.
Align the 4 tabs on the subbase with corresponding slots
on the back of the thermostat or base module. Then push
gently until the thermostat or base module.
6 720 220 387
There are two LED lights on the TRM. One is the COM
light which blinks green when communication is
happening between the TRM and the thermostat. This
light will normally blink about every 10 seconds as the
thermostat and TRM are in constant communication for
status updates. If communication is lost for more than 10
minutes, the COM LED will become red. A certified
licensed technician should be called to service the system
if this occurs.
Subject to change without prior notice
Revised 06-13
Wiring the Thermostat
TsTbT4h2Cp seRies
The other LED is labeled HVAC. This light indicates if the
unit is actively heating or cooling. If the unit is cooling,
Caution
then the LED is yellow, if the unit is in heating, then the
LED is red. If the thermostat is satisfied, then the LED if
off.
WiRing The TheRMosTaT and
ReCeiving Module
The thermostat is wired to the Receiving module using
4-conductor, 18–22 gage thermostat wire. Wire the
thermostat and Receiving modules as shown below.
Ensure that the wires are seated completely
and neatly into the terminal connections of the
TRM and the back mounting plate of the
thermostat. Trim any loose wire strands to
ensure wire strands cannot touch; potentially
creating a short and resetting the thermostat.
WiRing diagRaMs
Do not run unshielded wire parallel with
115V or higher voltage wiring for any
significant length. This could interfere with
the communication. Use shielded wire if the
thermostat communication wiring is adjacent
to higher voltage wiring.
Thermostat
Terminal
Receiving
Terminal
Terminal
Function
+VDC
+8V
Powers the Thermostat
GND
COM
Power Common
A
A
RS485 Modbus Signal
B
B
RS485 Modbus Signal
.
RELAY
RELAY
RAS
RAS
TS1
TS1
TS2
TS2
RELAY
RELAY
RELAY
+8V
COM
A
B
RELAY
RELAY
RELAY
C
R
O
B
W1
W2
Y1
Y2
G
DH
HUM
HUM
ALR
Receiving Module
+VDC
GND
B
A
Thermostat subbase
Revised 06-13
Subject to change without prior notice
6 720 220 387
7
8
TSTBT4H2CP SERIES
Wiring Diagrams
Wiring Diagrams
UNIT WITH ACTIVE OR PASSIVE
DEHUMIDIFICATION AND HUMIDIFICATION
R
C
O
B
HEAT PUMP
EQUIPMENT
W1
W2
H
Y1
PASSIVE / ACTIVE
DEHUMIDIFICATION
Y2
G
DH
HUMIDIFIER
EQUIPMENT
HUM
HUM
HUMIDIFIER
SOLENOID
ALR
OUT COM
ALR
COMMON FROM
HVAC EQUIPMENT
ALARM CONTACT
ON FHP/BOSCH
EQUIPMENT
* HUMIDIFICATION AND DEHUMIDIFICATION FEATURES ARE ONLY
AVAILABLE WITH TSTBT4H2CPHM--A
6 720 220 387
Subject to change without prior notice
Revised 06-13
Temperature sensor Connections
TsTbT4h2Cp seRies
9
Terminal Designations on the TSTBT4H2CP Thermostat Series
3 Heat / 2 Cool Conventional System
3 Heat / 2 Cool Heat Pump System
4 Heat / 2 Cool Heat Pump System
C
24 Volt Common
24 Volt Common
24 Volt Common
R
24 Volt Power
24 Volt Power
24 Volt Power
O
Energized in Cooling
Energize Reversing Valve in Cooling
Energize Reversing Valve in Cooling
B
Energized in Heating
Energize Reversing Valve in Heating
Energize Reversing Valve in Heating
W1
Heating - 1st Stage Aux
Heating - 1st Stage Aux
Heating - 1st Stage Aux / Emergency Heat
W2
Heating - 2nd Stage Aux
Emergency Heat Relay
Heating - 2nd Stage Aux
Y1
Compressor - 1st Stage Cooling
Compressor - 1st Stage Heating/Cooling
Compressor - 1st Stage Heating/Cooling
Y2
Compressor - 2nd Stage Cooling
Compressor - 2nd Stage Heating/Cooling
Compressor - 2nd Stage Cooling
G
Fan Relay
Fan Relay
Fan Relay
"Cool to Dehumidify Relay
(Cooling Mode Only)”
“Cool to Dehumidify Relay
(Cooling Mode Only)”
“Cool to Dehumidify Relay
(Cooling Mode Only)”
HUM
"Humidifier Contact Relay
(Dry Contact-Heating Mode Only)”
“Humidifier Contact Relay
(Dry Contact-Heating Mode Only)”
“Humidifier Contact Relay
(Dry Contact-Heating Mode Only)”
HUM
“Humidifier Contact Relay
(Dry Contact-Heating Mode Only)”
“Humidifier Contact Relay
(Dry Contact-Heating Mode Only)”
“Humidifier Contact Relay
(Dry Contact-Heating Mode Only)”
ALR
This terminal is used only for Bosch / Florida Heat Pump Equipment. This connection is used for fault code communication from the
UPM board in the heat pump. The fault type being transmitted will be displayed on the thermostat. Do not use with any other equipment.
DH
TSTBT4H2CP Thermostat Series Wiring
Notes: Bosch Water Source Heat Pumps
utilize “O” type reversing valve operation. If
your heat pump utilizes “B” type reversing
valve operation, substitute the wiring for the
“O” terminals for “B”.
TeMpeRaTuRe sensoR ConneCTions
Zonb-las---M--a Return air
Temperature sensor
Optionally, a temperature sensor can be installed in the
return air duct. This sensor is automatically detected by
the TRM and used to control the equipment should the
communication between the thermostat and TRM fail.
This insures the indoor temperature does not drop below
55°F or rise above 85°F.
Use AWG 18–22 thermostat wire to connect the sensors
to the TRM.
Revised 06-13
Ts1 and Ts2
Temperature sensor 1 and Temperature sensor 2 inputs on
the TRM can be configured in the thermostat setup menu as
an outdoor temperature sensor, a leaving air temperature
sensor, or as a remote room temperature sensor.
Either TS1 or TS2 can be designated as the outside air
temperature sensor, however once one of the input
sensors are designated as the outdoor temperature
sensor, the option will not be available for the other
sensor input in the menu setup. The same logic applies for
the leaving air temp. You cannot have two sensor inputs
designated as outdoor temperature or leaving air temp.
For the remote room temperature sensor function, either
TS1 or TS2 can be desingnated or both can. Two remote
room temp sensors are allowed.
Ts1 used as outdoor Temperature sensor
An outdoor temperature sensor is required for dual fuel
heal pumps and for automatic emergency heat activation
in cold weather. The sensor should be installed under the
eves and in the shade.
Subject to change without prior notice
6 720 220 387
10
TSTBT4H2CP SERIES
Temperature Sensor Connections
TS1 Used as Leaving Air Temperature
Sensor
A sensor can be installed in the supply duel to monitor the
Leaving air temperature for monitoring equipment
performance. The stainless steel tube should inserted in
the duct down stream from the plenum.
When both TS 1 and TS2 are used as remote space
temperature sensors, both sensor readings will be
averaged with the thermostat sensor reading.
See the available accessories at the end of this manual for
compatibility, part numbers and descriptions for
ordering.
TS1 Used as a Remote Space
Temperature Sensor
Remove the Battery Tab
A sensor can be installed in a remote location, such as the
second floor, and the temperature at the remote sensor
will be averaged with the sensor in the thermostat when
controlling the heating and cooling.
The TSTBT4H2CP-M--A Thermostat Series has a coin cell
battery for maintaining the clock, schedules, and user
settings during power outages. After the wiring of the
installation, remove the battery tab. Do not remove the
tab until the Receiving Module, Thermostat and
equipment wiring is complete.
TS2 Temperature Sensor #2
Install the Thermostat on the
Sub-Base
Align the four prongs on the sub-base with the square
holes in the thermostat back cover and push the
thermostat onto the sub-base until it locks in place.
6 720 220 387
Subject to change without prior notice
Revised 06-13
Remove the Battery Tab
TSTBT4H2CP SERIES
Tech Setup Features
11
• The blank button is a CANCEL button. Push this button
to exit the menu setup and discard the last change
made. The blank button can be pressed at any time
during the setup process to exit.
Navigating Through Setup Menu
To access the installer menu, press and hold the ENTER
button for 4 seconds until the first feature appears.
Some options will not be displayed if they cannot be used
for the particular equipment type that is selected (Option
#2) or that the option is automatically controlled by the
equipment or zoning panel (if applicable). Table 4 below
shows which options are set by the installer, the zoning
panel, or automatically set by the equipment.
Enter the installer menu by holding ENTER for 4 seconds;
the buttons perform the following functions:
• The NEXT button cycles through the available options
for that particular menu feature.
• Once you have chosen the option using the NEXT
button, if there are options for that setting, use the 
or  button to cycle through the available options. See
Tech Setup Table below for a list of available options.
• The ENTER button will save the settings and exit the
menu setup to home screen. The ENTER button can be
pressed at any time during the setup process to exit.
• The MENU button proceeds to the next menu item.
Tech Setup Menu
Option
Number
Option Title
Option Description
LCD will Show
Adjustment Options
Factory
Default
Settings
Option
1
Select
Degees C or F
Use the Up and Down keys to select °F or °C. Press
the MENU key to go to the next option.
Range: °F or °C
MENU
NEXT
°F
ENTER
Use the NEXT key to sequence through the
equipment selections. Press the MENU key to go to
2
Type of
Equipment
Range: Gas/electric,
conventional heat pump,
dual fuel heat pump and air
conditioner only
the next option. Select
equipment.
Option
MENU
NEXT
ENTER
Select
for conventional heat pump.
Select
for dual fuel heat pump.
Select
3
Range: 1, 2 or 3
MENU
Number of
Heating Stages
4
5
This option is
skipped for A/C
equipment.
Revised 06-13
ENTER
MENU
NEXT
Outside
NEXT
03
2
ENTER
Option
MENU
Configuration 1 is one compressor, single stage.
Configuration 2 is two compressors, 2 stages.
Configuration 3 is one compressor with two stages.
Use the Up and Down keys to select the number of
heating stages in a Gas/Electric system or the
number of auxiliary heating stages in a heat pump.
Press the MENU key for the next option.
Option
Range: 0,1 or 2
Outdoor
Temperature for
Auxiliary Heating
Changeover
Range: 17 to 60F
This option only for
dual fuel heat
pumps.
NEXT
CHP
for air conditioner only.
Use the Up and Down keys to select the compressor
configuration. Press the MENU key to go to the next
option.
Option
Compressor
Configuration
for gas/electric
ENTER
Subject to change without prior notice
This option provides automatic changeover to fossil
fuel heating in a dual fuel heat pump. Use the Up and
Down keys to select the outdoor temperature to
switch to fossil fuel heating. Press the MENU key to
go to the next option.
6 720 220 387
OFF
12
Option
Number
TSTBT4H2CP SERIES
Option Title
Tech Setup Menu
Option Description
LCD will Show
Selects whether second stage is latched on once it is
called. Use the Up and Down keys to select On or Off.
Press the MENU key to go to the next option.
Option
6
Second Stage
Latching
Range: On or Off
MENU
Factory
Default
Settings
Adjustment Options
NEXT
ENTER
Select
for On or
OFF
for Off.
Range: 0 to 9 minutes.
7
Minimum Run
Time
Minimum run time is the number
of minutes the thermostat will call
for heating or cooling to insure a
comfortable cycling rate. Setting
the System to Off or the opposite
system will override the timer
and immediately terminate the
heating or cooling call.
Option
MENU
NEXT
Use the Up and Down keys to select the minimum run
time in minutes. Press the MENU key to go to the next
option.
5 Min
Use the Up and Down keys to select the minimum
compressor OFF time in minutes. Press the MENU
key to go to the next option.
5 Min
ENTER
Range: 0 to 9 minutes.
8
The minimum off time is the
number of minutes after a call
and before a new heating or
cooling call can be initiated.
Minimum Off
Time
Option
MENU
NEXT
ENTER
Range: 1 or 2
Response 1: Stages at 1.0F.
Response 2: Stages at 1.5F
9
10
11
12
Staging response determines
how the thermostat stages
heating or cooling calls based
on the difference in space
temperature, setpoint
temperature the staging
differential (1.0oF or 1.5oF).
Range: 1 to 99 minutes.
Staging
Response
The Upstaging Timer
automatically up stages the
heating or cooling after the
Automatic Timer thermostat has been
continuously calling for a time
Upstaging
equal to the selected time
limit, The timer will not
upstage heating or cooling if
the indoor temperature is
within one degree of setpoint.
Low Space
Temperature
Monitor
MENU
NEXT
ENTER
Option
MENU
NEXT
Range: 40 to 60F
MENU
NEXT
ENTER
Option
Range: 80 to 99F
MENU
NEXT
Use the Up and Down keys to select how staging
responds to the temperature difference between
setpoint and space temperatures. One(1) is the
fastest response and tw0(2) is the slowest to respond.
Press the MENU key to go to the next option
1
Use the NEXT key to turn automatic upstaging On or
Off. Use the Up and Down keys to select how long a
call must be present before automatically upstaging.
Press the MENU key to go to the next option.
ON
20 Min
ENTER
Option
This option is
skipped for A/C
equipment.
High Space
Temperature
Monitor
Option
ENTER
Use the NEXT key to select if the Low Room
Temperature monitor is On or Off. Use the Up and
Down keys to select the low temperature limit. If the
space temperature drops below the limit, the
thermostat will make a call for heating even if the
System is in Off or Cool. Press the MENU key for the
next option.
Use the NEXT key to select if the High room
temperature monitor is On or Off. Use the Up and
Down keys to select the high temperature limit. If the
space temperature rises above the limit, the
thermostat will make a call for cooling even if the
System is in Off or Heat.
Press the MENU key for the next option.
On
55 °F
On
85 °F
Options 28 and 29 control how fast the thermostat can
upstage a heating or cooling call.
6 720 220 387
Subject to change without prior notice
Revised 06-13
Tech Setup Menu
Option
Number
Option Title
TSTBT4H2CP SERIES
Option Description
LCD will Show
13
Range: Not used, Outdoor,
leaving air or remote space
temperature sensor.
Select
TS1 is outdoor temperature sensor.
Select
sensor.
TS1 is discharge air temperature
Option
MENU
NEXT
14
Not
Used
ENTER
Select
TS1 is remote temperature sensor.
Internal thermostat sensor and remote sensor are
averaged.
Select
Function of TS2
Temperature
Sensor
Factory
Default
Settings
Use the NEXT key to select the function of TS1
temperature sensor. Press the MENU key to go to the
next option.
Function of TS1
Temperature
Sensor
If the equipment
selected is dual
fuel heat pump,
TS1 is set to an
Outdoor
temperature
sensor and this
option is skipped.
Adjustment Options
13
Range: Not used, Outdoor,
leaving air or remote space
temperature sensor.
Use the NEXT key to select the function of TS2
temperature sensor. Press the MENU key to go to the
next option.
Option
MENU
TS1 is not used.
NEXT
ENTER
Selections are outdoor sensor, discharge air sensor,
remote sensor or not used.
Not
Used
Range: On or Off
Humidifier
Control
15
This option is
skipped for A/C
equipment.
Automatic Limit
of Auxiliary
Heating in
Moderate
Outdoor
Temperatures.
16
This option is
skipped for A/C
equipment.
This option
requires an
outdoor
temperature
sensor in TS1 or
TS2 and will be
skipped if not
installed.
Revised 06-13
When used with the
Receiving Module, this
option can control a
humidifier connected to the
HUM terminals. The
humidifier will only be
activated during a heating
call.
Use the NEXT key to select the function of the
accessory relay. Press the MENU key to go to the
next option.
Option
MENU
NEXT
Off
ENTER
Range: 50 to 65F
In a conventional heat
pump, this option
automatically limits the use
of electrical strip heating in
moderate temperatures.
Use the NEXT key to select if the option is On or Off.
Use the Up and Down keys to select the outdoor
temperature for inhibiting electric strip heating. Press
the MENU key to go to the next option.
Option
MENU
NEXT
ENTER
Subject to change without prior notice
6 720 220 387
Off
55° F
14
TSTBT4H2CP SERIES
Tech Setup Menu
64F
65F
Time must be equal to or
greater than 2 minutes.
66F
Time must be equal to or greater than
Heating UpStage Time (Option28)
67F
Heat3
Time must be equal to or greater than
Heating UpStage Time (Option28)
Heat2
68F
Heat1
69F
Heat4
Time must be equal to or greater than
Heating UpStage Time (Option28)
Staging response (Option09)
Time must be equal to or greater than
Minimum Off Time (Option05)
70F
Time
Figure 1. Typical staging after a heating setback. X= sequential number
Option
Number
17
Option Title
Option Description
Maximum
Range: 50 to 85F
Heating Set point
Option controls the
This option is
maximum temperature that
skipped for A/C
can be set in heating.
equipment.
Range: 50 to 85F
18
Minimum
Option sets the minimum
Cooling Set point temperature that can be set
in cooling.
LCD will Show
Option
MENU
NEXT
ENTER
Option
MENU
NEXT
ENTER
Adjustment Options
Factory
Default
Settings
Use the NEXT key to select if the Maximum Heating
Setpoint limit is On or Off. Use the Up and Down keys
to select the highest allowable heating setpoint
temperature. Press the MENU key to go to the next
option.
On
85 °F
Use the NEXT key to select if the Minimum Cooling
Setpoint limit is On or Off. Use the Up and Down keys
to select the lowest allowable cooling setpoint
temperature. Press the MENU key to go to the next
option.
On
65 °F
Use the NEXT key to select if the Heating Equipment
Monitor is On or Off. If On, use the Up and Down keys
to select the minimum temperature differential
between the discharge temperature and the calling
space temperature after calling continuously for 5
minutes. Press the MENU key to go to the next option.
Off
Adjust the temp range that the heating Use the NEXT
key to select if the Cooling Equipment Monitor is On
or Off. If On, use the Up and Down keys to select the
minimum temperature differential between the
discharge temperature and the calling space
temperature after calling continuously for 5 minutes.
Press the MENU key to go to the next option.
Off
Range: 10 to 50F
19
20
Heating
Equipment
Monitor
This option is
skipped for A/C
equipment.
Cooling
Equipment
Monitor
Monitors the discharge air
temperature (sensor is
required) and displays a
Message if the differential
between the discharge air
temperature and the space
temperature drops below the
limit set.
Range: 10 to 50F
Monitors the discharge air
temperature (sensor is
required) and displays a
Message if the differential
between the discharge air
temperature and the space
temperature drops below
the limit set.
6 720 220 387
Option
MENU
NEXT
ENTER
Option
MENU
NEXT
ENTER
Subject to change without prior notice
Revised 06-13
Tech Setup Menu
Option
Number
Option Title
TSTBT4H2CP SERIES
Option Description
LCD will Show
Adjustment Options
15
Factory
Default
Settings
Option
MENU
21
Range: Off, de-humidify
using cooling or de-humidfy
De-Humidification using hot gas.
Control
Over Cooling Range: 2 to
5F, 1 to 3C
NEXT
ENTER
Message
HEA T
SYSTEM
AUT O
MENU
MODE
NEXT
ENTER
FAN
De-humidification will only occur after a cooling call.
Cool to
Use the NEXT key to select de-humidification using
de-humidify
cooling, dehumidification using hot gas re-heat or
2F
de-humidifaction Off. Use the Up and Down keys to
maximum
select the number of degrees of over-cooling allowed.
over-cool
Press the MENU key to go to the next option.
Message
HEA T
SYSTEM
AUT O
MENU
De-Humidification
Re-Heat
22
23
24
NEXT
ENTER
FAN
Option
This option is
skipped for A/C
equipment.
Range: On or Off
Fan On Delay in
Heating
Range: On or Off, 20 to 120
seconds.
This option is
skipped for A/C
equipment.
Delays turning on the indoor
fan to allow the discharge air
temperature to be heated.
Fan On Delay in
Cooling
MODE
MENU
Range: On or Off, 20 to 120
seconds.
Delays turning on the indoor
fan to allow the discharge air
temperature to cool.
NEXT
ENTER
Option
MENU
NEXT
NEXT
25
Range: On or Off Any days
of the week.
MENU
NEXT
ENTER
Option
OFF
HEA T
EmHeat
COOL
AUT O
SYSTEM
AUT O
ON
MODE
NEXT
ENTER
FA N
Thermostat Keys
Range: On or Off, #00 to 99
Locking
MENU
Revised 06-13
Use the NEXT key to select if the fan delay in a
cooling call is On or Off. If On, use the Up and Down
keys to select the delay time in seconds. Press the
MENU key to go to the next option.
Off
60 second
NEXT key to select the weekday and use the Up or
Down key to select or de-select that weekday. Press
the MENU key to go to the next option. The weekday
number is also displayed to the right.
Use the NEXT key to select if the thermostat key
locking is On or Off. If On, use Up and Down keys to
select a lock combination from 1 to 99. Press the
MENU key to go to the next option.
Option
26
Off
60 seconds
Use the NEXT key to select if the fan is On or Off
during the Daytime schedule. If Daytime Fan
operation is OFF, press the MENU key to go to the
next option. If Daytime Fan operation is On, press the
MENU key to select the days the fan is to operate
Off
during the Daytime schedule.
Monday thru
Sunday
If the Fan is On during the Daytime schedule, use the
MoTu We ThFr Sa Su
MENU
Use the NEXT key to select if the fan delay in a
heating call is On or Off. If On, use the Up and Down
keys to select the delay time in seconds. Press the
MENU key to go to the next option.
ENTER
Option
Fan On During
Daytime
Schedule
Off
ENTER
Option
MENU
If the equipment selected is a conventional heat pump
with auxiliary heating and, cooling is selected for
dehimidification, use the NEXT key to select if reheat is
allowed during dehumidification is On or Off when the
overcooling limit is reached. Press the MENU key to go
to the next option.
NEXT
ENTER
Subject to change without prior notice
6 720 220 387
Off
Off, Lock#
00
16
Option
Number
TSTBT4H2CP SERIES
Option Title
Tech Setup Menu
Option Description
LCD will Show
Adjustment Options
Factory
Default
Settings
This option is skipped if the thermostat is wired to a
Receiving Module. If the thermostat is used with a
zoning panel, use the Up and Down keys to select the
Zone number. Press the MENU key to go to the next
option.
1
Zone
Option
27
Range: 1 to 7.
Zone Number
MENU
NEXT
ENTER
Range: 0 to 30 minutes
28
29
30
This option controls how
quickly the thermostat
Heating Upstage can upstage heating calls
Time
when the temperature
differential and staging
response justifies
upstaging.
Range: 0 to 30 minutes
This option controls how
quickly the thermostat
Cooling Upstage can upstage cooling calls
Time
when the temperature
differential and staging
response justifies
upstaging.
Range: On or Off. 100(1)
to 8600(86) hours.
Filter Monitor
Option
MENU
MENU
31
32
This option is
skipped for A/C
equipment.
UV Bulb Monitor
Range: On or Off. 100 to
8600(86) hours.
Filter
NEXT
ENTER
Option
HumPad
NEXT
ENTER
Option
UV Bulb
MENU
NEXT
ENTER
Option
33
LCD Contrast
Range: 1 to 10
MENU
6 720 220 387
NEXT
Use the Up/Down keys to set the upstage time
limit. Press the MENU key to go to the next
option.
5 minutes
Use the NEXT key to select if the Filter Monitor
is On or Off. If On, use the Up and Down keys
select the filter cleaning or replacement hours (in
100s of hours). Press the MENU key to go to the
next option.
On
2000(20)
hours
Use the NEXT key to select if the Humidifier Pad
Monitor is On or Off. If On, use the Up and Down
keys select the replacement hours (in 100s of
hours). Press the MENU key to go to the next
option.
Off
8600(86)
hours.
Use NEXT button to cycle through the available
Use the NEXT key to select if the UV Bulb
Monitor is On or Off. If On, use the Up and Down
keys select the replacement hours (in 100s of
hours). Press the MENU key to go to the next
option.
Off
8600(86)
hours.
Use the Up/Down keys to set the LCD contrast.
The LCD will change as the contrast setting is
changed.
6
ENTER
Option
MENU
Range: On or Off. 100 to
8600(86) hours.
NEXT
5 minutes
ENTER
Option
MENU
Humidifier Pad
Monitor
NEXT
Use the Up/Down keys to set the upstage time
limit. Press the MENU key to go to the next
option.
ENTER
Subject to change without prior notice
Revised 06-13
Tech Menu setup explanations
TsTbT4h2Cp seRies
17
TeCh Menu seTup eXplanaTions
Option
Option Description
Adjustment
Option 1:
This feature establishes the
temperature scale to be used and (°F
or °C).
1. Push  or  to select the desired temperature scale that is
displayed in the upper right hand corner.
This feature establishes the type of
equipment that you want to control.
1. Push neXT to select the appropriate equipment type.
Temperature Scale
option 2:
equipment Type
2. Push Menu to go to the next menu feature or enTeR to exit menu setup.
• Gas/Electric - This equipment type is an Air Conditioner with
Electric Heat Strips or Gas Furance with duct cooling coil.
• CHP - Conventional Heat Pump - This equipment type is a typical
heat pump that utilizes compressor capacity for heating and
cooling with supplemental electric or gas heat.
• dHP - Dual Fuel Heat Pump - This equipment type is a Heat Pump
that will utilize compressor heat until there is no longer sufficient
capacity and switches over to gas or oil fuel heating.
• AC - Air Conditioner- Cooling only, heating stage not available.
2. Push Menu to go to the next menu feature or enTeR to exit menu setup.
option 3:
number of
Compressors
This feature establishes the number
of compressors that the equipment is
using.
Caution
This feature establishes the number of
heating stages if a Gas/Electric
number of heating
equipment is installed or number of
stages
auxiliary heating stages if a heat pump is
installed. The available options for
number of stages are: 0, 1, and 2.
option 4:
option 5:
outdoor
Temperature for
auxiliary heating
Changeover
option 6:
second stage
latching
Revised 06-13
1. Push  or  to select the number of compressors (or speeds if the
unit has a two stage compressor).
2. Push Menu to go to the next menu feature or enTeR to exit menu setup.
If the unit utilizes a single, two speed compressor,
this feature must be set to 3.
1. Push  or  to select the number of heating stages.
2. Push Menu to go to the next menu feature or enTeR to exit menu setup.
This feature establishes the outdoor
temperature at which an automatic
changeover will occur from
compressor heat to fossil fuel in the
case of a dual fuel heat pump or an
automatic changeover to electric heat
Caution
with a conventional heat pump.
1. Push  or  to select the temperature at which the automatic
changeover will occur.
This feature establishes how the HVAC
equipment will stage down. If the unit possess
multiple stages of heating or cooling, the ability
of controlling the stage down process can be
beneficial. With this feature enabled, once the
set point is met, the thermostat will stage down
to the previous stage. After a time period that is
determined by MenuCaution
Option #10, if the set point
is still satisfied, the thermostat will stage down
once again. If Second Stage Latching is
disabled, once the set point has been satisfied,
all stages will be turned off and the thermostat
will go into standby mode.
1. Push  or  to enable by choosing “ON” or disable by choosing
“OFF”.
2. Push Menu to go to the next menu feature or enTeR to exit menu setup.
An outdoor temperature sensor is needed for this feature to
function. See Menu Options 13 or 14 for instructions on
setting up an outdoor temperature sensor in the thermostat.
2. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
Menu Option #9 (Staging Response) and Menu
Option #10 (Automatic Timer Upstaging) must be
configured for this feature to function correctly.
Subject to change without prior notice
6 720 220 387
18
TsTbT4h2Cp seRies
Tech Menu setup explanations
Option
Option Description
Adjustment
option 7:
This feature establishes the minimum
allowable run time for the compressor. The
minimum run time prevents short run time
and lengthens the life of the compressor.
The compressor will continue to run for the
specified number of minutes even if the set
point has been satisfied.
1. Push  or  to select the minimum number of minutes that the
compressor will run.
This feature establishes the number of
minutes that must pass between
compressor cycles. The minimum run
time prevents short cycling from
occurring and will lengthen the life of
the compressor. The compressor will
remain off for the specified number of
minutes from its last operation even if
the set point is not satisfied.
1. Push  or  to select the minimum number of minutes that the
compressor will remain off after its last operation.
This feature establishes the
temperature differential at which
staging occurs. This is basically the
sensitivity that will be established
when trying to maintain the space set
point. Utilizing this feature allows the
user to control when staging occurs
depending on the temperature
difference between the set point and
the space temperature. The staging
Response feature is also referred to
swing adjustment. See Understanding
Swing and Staging Example after the
Tech Setup Section
Response 1: Stages at 1.0 °F or 0.5 °C
Minimum Run
Time
option 8:
Minimum off Time
option 9:
staging Response
Caution
option 10:
automatic Timer
upstaging
This feature establishes the amount of
time that passes before another stage
of heating or cooling is energized if
the set point has not been met.
2. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
2. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
Response 2: Stages at 1.5 °F or 0.75 °C
example: Using Response setting 2 with the unit in heating; one stage
of heating is energized and the space temperature is more than 1.5 oF
lower than set point, then the thermostat will bring on the next stage
of heat.
1. Push  or  to select the response setting that will dictate when
the next stage will be energized.
2. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
See UNDERSTANDING SWING AND STAGING
section below for further explanation of staging.
example: This feature has been set to 10 min and the unit is in
cooling. If the space temp has not reached the set point temperature
after 10 min from when the previous cooling stage was energized, the
thermostat will bring on the next stage. This works exactly the same
way in heating.
1. Push neXT to enable by selecting “ON” or disable this feature by
selecting “OFF”.
2. Push  or  to select the number of minutes that will be allowed
to pass before the next heating or cooling stage will be energized.
3. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
Caution
6 720 220 387
This feature will not bring on the next stage if the
space temperature is within 1 °F of the set point
regardless of the time that has passed.
Subject to change without prior notice
Revised 06-13
Tech Menu setup explanations
TsTbT4h2Cp seRies
19
Option
Option Description
Adjustment
option 11:
This feature establishes the minimum
space temperature that will be allowed.
If the space temperature falls below the
established value, the thermostat will
bring on the equipment in heating
mode; even if the thermostat’s
operation mode is set to “OFF”. The
normal heating cycle as determined by
all the User Setup Features will be
followed (this includes the staging
sequence, min run time, min off time).
1. Push neXT to enable by selecting “ON” or disable this feature by
selecting “OFF”.
low space
Temperature
Monitor
option 12:
high space
Temperature
Monitor
option 13:
function of Ts1
Temperature
sensor
This feature establishes the maximum
space temperature that will be allowed.
If the space temperature rises above
the established value, the thermostat
will bring on the equipment in cooling
mode even if the thermostat’s
operation mode is set to “OFF”. The
normal cooling cycle as determined by
all the User Setup Features will be
followed (this includes the staging
sequence, min run time, min off time).
This feature establishes the function
for the TS1 terminal located on the
TRM. With optional temperature
sensors, the function of this input can
be established as outdoor
temperature, leaving air temperature
off of the coil, or as a remote room
temperature sensor.
Caution
option 14:
function of Ts2
Temperature
sensor
This feature establishes the function
for the TS2 terminal located on the
TRM. With optional temperature
sensors, the function of this input can
be established as outdoor
temperature, leaving air temperature
off of the coil, or as a remote room
temperature sensor.
Caution
Revised 06-13
2. Push  or  to select the lowest allowable space temperature.
3. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
1. Push neXT to enable by selecting “ON” or disable this feature by
selecting “OFF”.
2. Push  or  to select the highest allowable space temperature.
3. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
1. Push neXT to choose the type of temperature sensor input. “nu”
stands for “not used” and disables the temperature input
functionality.
2. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
The function for TS1 and TS2 cannot both be set to
function as an outdoor temperature sensor or
leaving air temperature sensor. Once TS1 has been
established as one of these functions, that option
will disappear from the menu for TS2. However,
both TS1 & TS2 can be set up as a remote room
temperature sensor. If the unit is set up as dual fuel
heat pump this sensor defaults to Outdoor Air
Temperature sensor
1. Push neXT to choose the type of temperature sensor input. “nu”
stands for “not used” and disables the temperature input
functionality.
2. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
The function for TS1 and TS2 cannot both be set to
function as an outdoor temperature sensor or
leaving air temperature sensor. Once TS2 has been
established as one of these functions, that option
will disappear from the menu for TS1. However,
both TS1 & TS2 can be set up as a remote room
temperature sensor.
Subject to change without prior notice
6 720 220 387
20
TsTbT4h2Cp seRies
Tech Menu setup explanations
Option
Option Description
Adjustment
option 15:
This feature enables the use of a
humidifier. The TRM has a dedicated
set of dry contacts in order to connect
the humidifier. The setup technician
must set the humidity set point to
establish the desired humidity level
that should be maintained.
1. Push neXT to enable the humidifier function by choosing “ON” or
disabling the humidifier function by choosing “OFF”.
Humidifier
function
Caution
option 16:
automatic limit of
auxiliary heating
in Moderate
outdoor
Temperatures
option 17:
Maximum heating
set point
2. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
The humidifier will only function while the
thermostat is in the heating mode.
This feature establishes an outdoor
temperature setting that limits the
use of auxiliary electric heat with a
heat pump. If the outdoor
temperature is above a the specified
value, then only compressor heat will
be utilized; auxiliary electric heat will
not be allowed toCaution
be energized. Once
the outdoor temperature falls below
the established value, the
compressors will be locked out and
only the auxiliary heat will be allowed
to function.
1. Push  or  to select the temperature at which the automatic
changeover will occur.
This feature establishes the maximum
heating set point that the user can
choose as a set point.
1. Push neXT to enable by selecting “ON” or disable this feature by
selecting “OFF”.
2. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
An outdoor temperature sensor is needed for this
feature to function. See Menu Options 13 or 14 for
instructions on setting up an outdoor temperature
sensor in the thermostat.
2. Push  or  to select the highest allowable heating set point
temperature.
3. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
option 18:
Minimum Cooling
set point
This feature establishes the minimum
cooling set point that the user can
choose as a set point.
1. Push neXT to enable by selecting “ON” or disable this feature by
selecting “OFF”.
2. Push  or  to select the lowest allowable cooling set point
temperature.
3. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
option 19:
heating
equipment
Monitor
This feature helps to establish if the
heating equipment is not functioning
properly. The thermostat does this by
comparing the leaving air temp to the
space temperature and the amount of
time that has passed from when the
heating call was initiated. If
30 minutes has passed and the space
temperature is 30 °F or more from the
set point temperature, then there
might be a problem with the heating
equipment. The equipment is not
Caution
operating at its ideal
efficiency.
6 720 220 387
The thermostat will display “LHO” (Low Heating Output) when this
fault is activated. Call a professional technician immediately.
1. Push neXT to enable by selecting “ON” or disable this feature by
selecting “OFF”.
2. Push  or  to select the lowest allowable cooling set point
temperature.
3. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
This feature requires a leaving air temperature
sensor (Bosch P/N: 7738002979). See Option 13 or
14 to set up the leaving air temperature sensor.
Subject to change without prior notice
Revised 06-13
Tech Menu setup explanations
TsTbT4h2Cp seRies
21
Option
Option Description
Adjustment
option 20:
This feature helps to establish if the
cooling equipment is not functioning
properly. The thermostat does this by
comparing the set point temp to the
space temperature and the amount of
time that has passed from when the
cooling call was initiated. If
30 minutes has passed and the space
temperature is 30 °F or more from the
set point temperature, then there
might be a problem with the cooling
equipment. The equipment is not
Caution
operating at it’s ideal
efficiency.
The thermostat will display “LCO” (Low Cooling Output) when this
fault is activated. Call a professional technician immediately.
This feature allows the ability to
enable cool-to-dehumidify
functionality or to operate hot gas
reheat (if the HVAC equipment is
equipped with this feature). The
cooling equipment will remain on until
the humidity set point is met or the
over cooling temperature has been
reached. The over cooling
temperature is the permissible
number of degrees below the set
point that the user will allow in an
attempt to better dehumidify the
space.
Cool to Dehumidify (displayed as dHC) - Once the space temperature
has satisfied the set point temperature, then the humidity set point
becomes priority and the thermostat will keep the cooling equipment
energized in an attempt to continue actively dehumidifying.
Cooling
equipment
Monitor
option 21:
Dehumidification
Control
1. Push neXT to enable by selecting “ON” or disable this feature by
selecting “OFF”.
2. Push  or  to select the lowest allowable cooling set point
temperature.
3. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
This feature requires a leaving air temperature
sensor (Bosch P/N: 7738002979). See Option 13 or
14 to set up the leaving air temperature sensor.
Hot Gas Reheat (displayed as dHH) - This feature is used in order to
attempt to maintain a constant leaving air temperature by utilizing hot
gas off of the compressor. Reference the manual for the cooling
equipment on how to wire this feature to the thermostat and how it
functions.
1. Push neXT to choose the dehumidification control mode: OFF,
dHC, or dHH.
2. Push  or  to select the over cooling temperature difference that
will be allowed.
3. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
Caution
option 22:
Dehumidification
Reheat
(only available
when option #21 is
set to dhC)
Revised 06-13
This feature is only available with the
TSTBT4H2CPHM--A model.
This feature allows the ability to enable
1. Push neXT to enable by selecting “ON” or disable this feature by
cool-to-dehumidify functionality while
selecting “OFF”.
attempting to maintain a comfortable
2. Push Menu to go to the next menu feature or enTeR to exit menu
space temp by reheating. Once the space
setup.
temperature has satisfied the set point
temperature, then the humidity set point
This feature is only available with the
becomes priority and the thermostat will
Caution energized in
keep the cooling equipment
TSTBT4H2CPHM--A model.
an attempt to continue actively
dehumidifying. The cooling equipment
will remain on until the humidity set point
is met. If the over cooling temperature is
surpassed, then the electric heat will be
energized to reheat the air to stay at or
above the over cooling temperature.
Subject to change without prior notice
6 720 220 387
22
TsTbT4h2Cp seRies
Tech Menu setup explanations
Option
Option Description
Adjustment
option 23:
This feature allows the ability to delay the
fan motor from energizing for a specified
amount of time while in the heating mode.
This is especially helpful on Gas systems;
this will allow the burners to get up to
temperature before air starts circulating.
1. Push neXT to enable by selecting “ON” or disable this feature by
selecting “OFF”.
This feature allows the ability to delay
the fan motor from energizing for a
specified amount of time while in the
cooling mode.
1. Push neXT to enable by selecting “ON” or disable this feature by
selecting “OFF”.
fan delay in
heating
option 24:
fan delay in
Cooling
2. Push  or  to select the number of seconds the fan will be
delayed on a heating call.
3. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
2. Push  or  to select the number of seconds the fan will be
delayed on a cooling call.
3. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
This feature allows the ability to run the
fan motor continuously during the Day
Time Schedule time period in order to
circulate air for filtration and to keep
the air from becoming stale. As the
schedules in the thermostat are
established, one of the time periods
that has to be set is the Day Time
Schedule. It is during this time duration
that the fan will run continuously, even
if there is not a heating or cooling call.
1. Push neXT to enable by selecting “ON” or disable this feature by
selecting “OFF”.
This feature allows the ability to
establish a two digit entry code to
lock out unauthorized users from
having access to the thermostat
features. This is a two digit code
starting at 00 and ending at 99.
1. Push neXT to enable by selecting “ON” or disable this feature by
selecting “OFF”.
3. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
option 27:
Range: 0 to 30 minutes
1. Push  or  to set the upstage time limit.
Zone number
This option controls how quickly the
thermostat can upstage heating calls
when the temperature differential and
staging response justifies upstaging.
3. Push Menu to go to the next option.
option 28:
This feature allows the thermostat to
determine how quick it needs to
command the next stage of heating
based upon the temperature
differential.
The unit will up stage according to the the minimum time as set in this
option and the staging response differential as set in option 9
option 25:
fan on during
daytime schedule
option 26:
Thermostat Key
locking
heating upstage
Time
Caution
6 720 220 387
2. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
2. Push  or  to select the two digit number code.
1. Push  or  to select the minimum time required.
2. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
This feature works in conjunction with option 9.
Subject to change without prior notice
Revised 06-13
Tech Menu setup explanations
TsTbT4h2Cp seRies
23
Option
Option Description
Adjustment
option 29:
This feature allows the thermostat to
determine how quick it needs to
command the next stage of cooling
based upon the temperature
differential.
The unit will up stage according to the the minimum time as set in this
option and the staging response differential as set in option 9.
Cooling upstage
Time
Caution
option 30:
filter Monitor
This feature allows the ability to
establish the number of hours of
operation of the HVAC equipment
between filter changes.
1. Push r or s to select the minimum time required.
2. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
This feature works in conjunction with option 9.
1. Push neXT to enable by selecting “ON” or disable this feature by
selecting “OFF”.
2. Push  or  to select the number of hours of operation between
filter changes.
3. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
When the established number of hours has passed, the thermostat
will display “Filter” to notify the end user it is time to change the air
filter.
option 31:
Humidifier Pad
Monitor
This feature allows the ability to
establish the number of hours of
operation of the HVAC equipment
between humidifier pad changes.
1. Push neXT to enable by selecting “ON” or disable this feature by
selecting “OFF”.
2. Push  or  to select the number of hours of operation between
humidifier pad changes.
3. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
When the established number of hours has passed, the thermostat
will display “HumPad” to notify the end user it is time to change the
Humidifier Pad.
option 32:
uv bulb Monitor
This feature allows the ability to
establish the number of hours of
operation of the HVAC equipment
between UV bulb changes.
1. Push neXT to enable by selecting “ON” or disable this feature by
selecting “OFF”.
2. Push  or  to select the number of hours of operation between
UV bulb changes.
3. Push Menu to go to the next menu feature or enTeR to exit menu
setup.
When the established number of hours has passed, the thermostat
will display “UV Bulb” to notify the end user it is time to change the UV
Bulb.
option 33:
lCd Contrast
Revised 06-13
Range: 1 to 10
Use the Up/Down keys to set the LCD contrast. The LCD will change
as the contrast setting is changed
Subject to change without prior notice
6 720 220 387
24
TSTBT4H2CP SERIES
Tech Menu Setup Explanations
TSTBT4H2CP Thermostat Series Options Settings
Option
Option Description
Factory Setting
(Default)
Where Option is configured when connected to:
TRM
Bosch Zone Panel
Degrees F
Thermostat
Zone Panel
Conventional HP
(CHP)
Thermostat
Zone Panel
1
Degrees C or F
2
Equipment Type
3
Number of Compressors
1
Thermostat
Zone Panel
4
Number of Auxiliary Heating
2
Thermostat
Zone Panel
5
Outdoor Temp for Fossil Fuel
Off
Thermostat
Zone Panel
6
Second Stage Latching
Off
Thermostat
Zone Panel
7
Min Run Time (min)
5
Thermostat
Zone Panel
8
Min Compressor Off Time (min)
5
Thermostat
Zone Panel
9
Staging Response
1
1.0 °F
Thermostat
Thermostat
On
10
Thermostat
Thermostat
10
Automatic Timer Upstaging
Upstage Time (min)
11
Low Space Temp Monitor
Low Space Temp Limit
On
55 °F
Thermostat
Zone Panel
12
High Space Temp Monitor
High Space Temp Limit
On
80 °F
Thermostat
Zone Panel
13
TS1 Temp Sensor Function
Not Used
Thermostat
Zone Panel
14
TS2 Temp Sensor Function
Not Used
Thermostat
Zone Panel
15
Humidifier Control *
Off
Thermostat
Zone Panel
16
Automatic Emergency Heat
Outdoor Temp for EM Heat
Off
Thermostat
Zone Panel
17
Maximum Heating Setpoint
Max heating Setpoint Temp
On
80 °F
Thermostat
Thermostat
18
Minimum Cooling Setpoint
Min Cooling Setpoint Temp
On
65 °F
Thermostat
Thermostat
19
Heating Equipment Monitor
Heating Differential Temp
Off
Thermostat
Zone Panel
20
Cooling Equipment Monitor
Cooling Differential Temp
Off
Thermostat
Zone Panel
21
De-Humidification Control*
Degrees Overcooling Allowed
Off
Default 2 degrees
Thermostat
Zone Panel
22
Fan Delay on Heating Call
Fan Delay (sec)
Off
Thermostat
Zone Panel
23
Fan Delay on Cooling Call
Fan Delay (sec)
Off
Thermostat
Zone Panel
6 720 220 387
Subject to change without prior notice
Revised 06-13
Understanding Swing And Staging
TSTBT4H2CP SERIES
24
Fan on during Daytime Schedule
Days Fan On during Daytime Schedule
Off
Thermostat
Zone Panel
25
Thermostat Key Lockout
Lockout Combination
Off
Thermostat
Zone Panel
26
Thermostat Key Lockout
Lockout Combination
Off
Thermostat
Thermostat
27
Zone Number
1
Thermostat
Thermostat
28
Heating Upstage Time
5 Minutes
Thermostat
Thermostat
29
Cooling Upstage Time
5 Minutes
Thermostat
Thermostat
30
Filter Monitor
Filter Replacement Hours
On
4,000
Thermostat
Zone Panel
31
Humidifier Pad Monitor
Humidifier Pad Replacement Hours
Off
Thermostat
Zone Panel
32
UV Bulb Monitor
UV Bulb Replacement Hours
Off
Thermostat
Zone Panel
25
*Option not available on TSTBT4H2CP-M--A Thermostat model
underStAnding SWing And
StAging (Option #9 - Staging
Response)
All Bosch thermostats have adjustable
swings
Cycling your HVAC system is a balance between user
comfort and equipment efficiency. Equipment wear and
tear is also a consideration.
• User comfort is maximized by small swings
• Equipment efficiency is maximized by large swings
• Equipment wear and tear is minimized by large swings
• The ideal swing is one at which the system runs as long
and with as few cycles as possible without the
homeowner being uncomfortable
Example:
• Thermostat system switch set to heat
• Swing setting is 1°F
• Set point is 70°F
Temp
Actions
71°F
1st Stage Off
70°F
Set point
69°F
1st Stage On / 2nd Stage Off
68°F
2nd Stage On / 3rd Stage Off
67°F
3rd Stage On
The 1st stage will energize at 69°F and turn off at 71°F.
The 2nd stage will energize at 68°F and turn off at 69°F.
The 3rd stage will energize at 67°F and turn off at 68°F.
• Modern systems are designed to run longer with fewer
cycles for best efficiency
• Staging systems are designed to be most efficient on
first stage (excluding dual fuel systems)
• Equipment life is reduced by frequent on/off cycles
• The 1st stage energizes at 1x swing, the 2nd stage at 2x
swing and the 3rd stage at 3x swing.
Revised 06-13
Subject to change without prior notice
6 720 220 387
26
TsTbT4h2Cp seRies
service Messages
displaying and ReseTTing The
seRviCe Messages
displaying equipMenT seRviCe
Messages
The“Filter”,“HumPad”or“UV Bulb”will blink whenever
their service hours have exceeded the time interval in
100s of hours for cleaning or replacement. After servicing
the filter, humidifier pad or UV bulb, press and hold the
key area in gray for 4 seconds to reset the hours.
The word“Message”will blink anytime an equipment
service message is present. To display the message, Press
in the key area shown in gray for 4 seconds.
“Filter” linking
Day
Schedule
We
Message
AM
Heat
Set To
Day
Heat
Set To
AM
Inside
Filter
SYSTEM
AUTO
HEAT
MENU
SYSTEM
MODE
NEXT
ENTER
MODE
NEXT
ENTER
FAN
high pRessuRe aleRT
AUTO
MENU
HEAT
Inside
Schedule
We
The equipment has detected a high head pressure
condition and prohibited heating and cooling calls.
Contact your local contractor for service. Press the
enTeR key to return to normal thermostat display.
FAN
Press and hold in this area
for 4 seconds to reset filter
monitor hours.
If multiple flags are blinking, you will have to repeat the
process for each flag.
Message
faulT Codes
HEAT
The TSTBT4H2CP Thermostat Series communicates with
a Florida Heat Pump or Bosch heat pump through the
compressor protection module (UPM) board. The UPM
communicates fault codes utilizing a combination of
pulses. The translating module deciphers these pulses
and relays the associated fault to be displayed on the
thermostat.
SYSTEM
AUTO
MENU
MODE
NEXT
ENTER
FAN
Message
enabling faulT Code Messages
Run a low voltage wire from the ALR-OUT terminal
connection on the UPM board to the PDU terminal on the
TRM.
This feature is only available with a Florida
Heat Pump or Bosch Heat Pump.
See page 8 for wiring diagram.
6 720 220 387
HEAT
SYSTEM
AUTO
MENU
MODE
NEXT
ENTER
FAN
loW pRessuRe aleRT
The equipment has detected a low head pressure
condition and prohibited heating and cooling calls.
Contact yourlocal contractor for service. Press the enTeR
key to return to normal thermostat display.
Subject to change without prior notice
Revised 06-13
freeze Condition alert
Message
TsTbT4h2Cp seRies
Message
HEAT
HEAT
SYSTEM
SYSTEM
AUTO
AUTO
MENU
27
MODE
NEXT
ENTER
FAN
MENU
MODE
NEXT
ENTER
FAN
bRoWnouT aleRT
Message
HEAT
SYSTEM
AUTO
MENU
MODE
NEXT
ENTER
The equipment has detected a power brownout condition
and prohibited heating and cooling calls. Contact
yourlocal contractor for service. Press the enTeR key to
return to normal thermostat display.
FAN
Message
HP & LP faults will indicate whether the fault
has occurred on compressor 1 or compressor
2. HP1 is a high pressure fault on compressor
1, LP2 is a low pressure fault on compressor 2
fReeZe CondiTion aleRT
The equipment has detected a freeze condition and
prohibited heating and cooling calls.
The sensor that has triggered this fault is monitoring the
refrigerant temperature between the TXV and the air coil.
The UPM board is aware of the mode of operation, and
this sensor will be monitored in the cooling mode.
Contact your local contractor for service. Press enTeR
key to return to normal thermostat display.
HEAT
SYSTEM
AUTO
MENU
MODE
NEXT
ENTER
FAN
evapoRaToR fReeZe aleRT
The equipment has detected a freeze condition and
prohibited heating and cooling calls.
The sensor that has triggered this fault is monitoring the
refrigerant temperature between the TXV and the water
coil. The UPM board is aware of the mode of operation,
and this sensor will be monitored in the heating mode.
Contact your local contractor for service. Press enTeR
key to return to normal thermostat display.
Message
HEAT
Message
HEAT
SYSTEM
AUTO
MENU
MODE
NEXT
ENTER
SYSTEM
FAN
AUTO
MENU
MODE
NEXT
ENTER
FAN
CondensaTe line aleRT
The equipment has detected a condensate line blockage
condition and prohibited cooling calls. Contact yourlocal
contractor for service. Press the enTeR key to return to
normal thermostat display.
Revised 06-13
Subject to change without prior notice
6 720 220 387
TSTBT4H2CP SERIES
28
Lost
Equipment Communication
Lost Equipment Communication
The thermostat has detected a loss of communication
with the equipment,receiving module or zoning panel.
Check the wiring connections. See the troubleshooting
section at the end of this manual or contact your local
contractor for service. Press the ENTER key to return to
normal thermostat display.
.
HEA T
SYSTEM
AUT O
MENU
HEAT
SYSTEM
AUTO
MODE
NEXT
ENTER
FAN
Lost Gateway Communication
This fault will only be produced if Option 29 - Internet
Connection is being utilized. See the Tech Menu Setup
Explanation for more information. The thermostat has
detected a loss of communication with the Gateway and
internet access. If the condition persists, see the
troubleshooting section at the end of this manual or
contact your local contractor for service. Press the ENTER
key to return to normal thermostat display.
NEXT
ENTER
FA N
This fault will only be produced if Option 20 - Cooling
Equipment Monitoring is being utilized. See the Tech
Menu Setup Explanation for more information. The
thermostat has detected the cooling equipment output is
below its limit. This can be caused by unusually severe hot
weather. If the condition persists, contact your local
contractor for service. Press the ENTER key to return to
normal thermostat display.
Message
COOL
SYSTEM
AUT O
MENU
MODE
NEXT
ENTER
FA N
Lost Power
Message
If the power to the equipment is lost, the Receiving
Module and Thermostat loss power and the thermostat
goes into a low power operating mode to maintain the
clock using the 3V coin cell. The keys and back lighting are
inhibited until power is restored. Only the time and “noP”
is shown on the LCD indicating there is no power available
to operate the equipment.
HEA T
SYSTEM
AUT O
MENU
MODE
Low Cooling Output
Message
MENU
Message
MODE
NEXT
ENTER
FA N
Low Heating Output
This fault will only be produced if Option 19 - Heating
Equipment Monitoring is being utilized. See the Tech
Menu Setup Explanation for more information. The
thermostat has detected the heating equipment output is
below its limit. This can be caused by unusually severe
cold weather. If the condition persists, contact your local
contractor for service. Press the ENTER key to return to
normal thermostat display.
6 720 220 387
We
Su
AM
Subject to change without prior notice
Revised 06-13
Initial Thermostat Settings
Initial Thermostat Settings
The user options can be accessed using Menu key or by
pressing certain areas on the LCD.
TSTBT4H2CP SERIES
Day
Schedul e
We
AM
Heat
Set To
Inside
Selecting Heating or Cooling
By pressing SYSTEM button, you can rotate through the 4
operation mode choices: OFF, HEAT, EmHEAT, COOL,
AUTO. Select OFF to turn both heating and cooling off.
Select HEAT for heating only or COOL for cooling only.
Select AUTO for automatic changeover of heating and
cooling. When used for heat pump control, the emergency
heating can be operated by selecting EmHeat.
Day
Schedul e
We
AM
Heat
Set To
Inside
HEAT
System
Key
NEXT
ENTER
AUTO
MENU
MODE
NEXT
ENTER
FAN
Adjusting RH Setpoints for
Humidity Control.
(Only available with TSTBT4H2CPHM--A &
TSTBT4H2CPHMW-A model thermostats)
If a thermostat has an RH sensor, use the NEXT key to
select RH setting for dehumidification or humidifier
control. Use the  and  keys to raise or lower the RH
setting.
Day
Schedul e
We
FAN
RH%
AM
Set To
Inside
Selecting Auto or Cont Fan
Select AUTO to allow the fan to be activated when needed
by a heating or cooling call. Select CONT to operate the
fan continuously for ventilation.
Day
RH%
HEAT
SYSTEM
AUTO
MENU
MODE
NEXT
ENTER
FAN
Indoor RH
Selecting Operating Mode
Schedul e
We
AM
Heat
Set To
Inside
AUTO
MODE
NEXT
ENTER
There are four operating modes: Schedule Operation,
Temporary Hold, Permanent Hold, and Vacant Mode.
HEAT
SYSTEM
MENU
Up/Down
Keys
RH setting
AUTO
MODE
HEAT
SYSTEM
SYSTEM
MENU
29
Fan Key
FAN
Adjusting the Temperature
Setting.
Press the  arrow to raise the temperature setting or
press the  arrow to lower the setting. To change the
non-calling system temperature setting, press the NEXT
key to switch from heat to cool setting or cool to heat
setting and use the  and  arrows to set the
temperature. The mode in which the set point is being
established will be displayed underneath the set point
temperature (ie. Heat will be displayed when establishing
the set point for heating).
Revised 06-13
Press and hold the MODE key to switch between
Schedule Operation, Temporary Hold, Permanent Hold, or
Vacant Mode.
In Schedule Operation, the temperature settings for
heating and cooling are automatically set according to the
Morning, Daytime, Evening, and Night times and
temperature settings for each day of the week. See the
schedule programming section above on instructions how
to establish temperature set points and time of day that
each program will apply.
The Temporary Hold mode is activated when the  or 
keys are pressed to adjust the temperature setting during
the schedule operation. “TempHold” will be displayed
instead of “Schedule” for the duration for the temporary
set point once the back light has dimmed. The
temperature settings are held for 3 hours and then will
resume with the normal schedule settings for that specific
time of day.
Subject to change without prior notice
6 720 220 387
30
TsTbT4h2Cp seRies
setting the Time and day of the Week
Permanent Hold mode is a permanent temperature
override and ignores the schedule and maintains the
settings established by the  and  keys until the
status is manually changed by the user.
Press here to change
time of day
.
Day
Schedul e
We
AM
The Vacant mode maintains the space to temperatures
established by the user to minimize energy consumption
while maintaining necessary space conditions when they
are away for an extended amount of time; on vacation for
example. This is a permanent holding feature until the
status is manually changed by the user.
Press and hold the Mode button until “Vacant” is
displayed.
1.
Use the  and
set point.
2.
Push neXT.
3.
Use the  and
set point.
Inside
AUTO
MENU
Push neXT.
5.
Use the  and
set point.
6.
The back light will dim within 5 seconds and the
settings will take affect.
 buttons to establish the humidity
Inside
Use the  or
Pay attention to ensure the PM or AM is set
correctly
3.
Push neXT to proceed to set the minutes.
4.
Use the  or
5.
Push neXT to proceed to set the Day of the week.
6.
Use the  or
week.
7.
Push enTeR to exit the setup menu and back to the
home screen.
NEXT
ENTER
 button to adjust the minutes.
 button to adjust the Day of the
ENTER can be pressed at any time during the
time setup procedure to exit the setup menu
and back to the home screen
All communicating Bosch thermostats are shipped with
an energy saving pre-program. You can customize this
default program by following the programming
instructions below.
AUTO
MODE
 button to adjust the hour of day.
sChedule pRogRaMMing
HEAT
SYSTEM
MENU
FAN
2.
Caution
Heat
Set To
ENTER
Press the “AM” or “PM” text or Menu button once.
Schedul e
We
AM
NEXT
1.
DisplaysTempHold, Hold or Schedule.
Day
MODE
Menu Key
Caution
4.
HEAT
SYSTEM
 buttons to establish the heating
 buttons to establish the cooling
Heat
Set To
FAN
Mode Key
seTTing The TiMe and day of The
WeeK
The time of day and day of the week can be set using the
Menu key or by pressing AM-PM key area shown in gray.
Press here to change
the Schedule.
Day
Schedul e
We
AM
Heat
Set To
Inside
HEAT
SYSTEM
AUTO
MENU
MODE
NEXT
ENTER
FAN
Menu Key
The thermostat schedule can be set by pushing the Menu
button twice or by pressing “Schedule” from the
thermostat home screen. There are 4 different time
periods for each day (Morn, Day, Eve, Night). Each time
6 720 220 387
Subject to change without prior notice
Revised 06-13
7 Day Program Schedule
period has two set points, one for Cooling Mode and one
for Heating Mode.
1. From the thermostat home screen, press MENU twice
or “Schedule” to enter the Programming Setup Menu.
2. MORN is the first time period displayed.
3. Use the  or  button to adjust the start time for
the current time period. The time duration is in 15
minute intervals.
4. Push Next.
5. Set the set point for the Heating mode using the 
or  button. You will see “Heat” beneath the set
point temperature.
6. Push Next.
7. Set the set point for the Cooling mode using the  or
 button. You will see “Cool” beneath the set point
temperature.
8. Push Next.
9. The next time period is now displayed.
10. Repeat steps 3-8 to establish the start time for that
time period and the heating and cooling set points for
that time period.
11. Push Next.
The current screen at this point is used to assign the
current schedule being established to specific days.
7 Day Program Schedule
(Continued from Schedule
Programming)
The time schedule and set points have been determined,
but they have not been assigned to specific day at this
point.
The default setting for the TSTBT4H2CP Thermostat
Series is a 7 Day Schedule. All 7 days are displayed. All 7
days will utilize the schedule just created if no changes
are made at this point.
12. Press ENTER to apply the schedule just created to all
7 days of the week.
Custom Program Schedule
(Continued from Schedule
Programming)
Some days may require a different schedule program;
whether it be a different time period definition or different
heating / cooling set points. To create specific schedules
Revised 06-13
TSTBT4H2CP SERIES
31
for specific days, continue from the Schedule
Programming Steps 1-11 from above and continue with the
following instructions. Each day can have its own unique
programmed schedule and set points; for a total of 7
possible unique schedules for the TSTBT4H2CP
Thermostat Series.
The decision to be made here is what days the scheduled
program will be assigned to; this is accomplished by
removing the days that the program will not be associated
with. The remaining days being displayed are the days that
the current schedule will be assigned to.
Picking up after step 11 from above:
Currently all 7 days are being displayed and an “01” is
displayed in the u day. By pressing the  or  button,
you will see “Mon” appear or disappear. This is how you
add or remove Monday from the current schedule
program. The  button adds “Mon” to the list of days
affected, the  button removes “Mon” from the list of
days affected.
Creating a 5+2 Schedule Example (Weekday Schedule +
Weekend Schedule):
13. Press the Next button until “06” is displayed in the
upper right hand corner (Day 6 which is Saturday).
14. Press the  button to remove “Sat” from the days
being displayed.
15. Press the Next button to change the day number to
“07” (Day 7 is Sunday).
16. Press the  button to remove “Sun” from the days
being displayed.
17. Currently you should only see Mon, Tue, Wed, Thu, Fri
being displayed. Press ENTER button.
You should now be back to the thermostat home screen
and the schedule that was just created has been applied
to Mon-Fri.
18. Repeat Steps 1-11 from above establishing times and
set points to apply for the weekend (Sat & Sun).
19. All days should be displayed and “01” should be in the
upper right hand corner. Press the  button to
remove “Mon” from the days being displayed.
20. Press the Next button to change the day number to
“02” (Day 2 is Tuesday).
21. Press the  button to remove “Tue” from the days
being displayed.
Subject to change without prior notice
6 720 220 387
32
TsTbT4h2Cp seRies
locking the Thermostat
22. Continue in this fashion to remove “Wed”, “Thu”, &
“Fri’ from the days being displayed.
3.
The Cancel key (blank key-second from the
left) can be pushed at any time to cancel out
of the sequence and will return to the home
screen without changes saved.
23. At this point, only “Sat” & “Sun” should
be displayed.
Caution
Press enTeR button.
You should now be back to the thermostat home screen
and the schedule that was just created has been applied
to Saturday and Sunday.
loCKing The TheRMosTaT
Press enTeR
To Unlock the Thermostat
1.
Push loCKed and hold for 2 seconds (the screen
shot below will be displayed).
2.
Push the  button until the two digit code is
displayed in the upper right hand corner (see the
screen shot below).
3.
Press enTeR.
If the key locking option was enabled in the Tech Menu
Setup (Option #26), the keys can be locked or unlocked to
keep unauthorized changes to the thermostat. With the
thermostat locked, no changes can be made; including set
point temperatures, operation mode, and fan control.
If the thermostat is unlocked, “Lock” will be displayed, if
the thermostat is locked, “Locked” will be displayed.
Day
Schedul e
We
Heat
Set To
AM
Inside
HEAT
SYSTEM
Lock
MENU
AUTO
MODE
NEXT
ENTER
FAN
Caution
Hidden Lock key
hidden loCK Key
To Lock the Thermostat
1.
Push loCK and hold for 2 seconds (the screen shot
below will be displayed).
The Cancel key (blank key-second from the
left) can be pushed at any time to cancel out
of the sequence and will return to the home
screen without changes saved.
CalibRaTing The indooR
TeMpeRaTuRe sensoR
The indoor temperature sensor can be calibrated to
match your old thermostat.
By pressing the Menu button 3 times from the thermostat
home screen to display the current space temperature;
the display below appears:
2.
Push the  button until the two digit code is
displayed in the upper right hand corner (see the
screen shot below).
Use the  and  keys to select the indoor temperature
that corresponds to your old thermostat or reference and
then press enTeR.
6 720 220 387
Subject to change without prior notice
Revised 06-13
Calibrating the Indoor Temperature Sensor
TSTBT4H2CP SERIES
Calibrating the Indoor Relative
Humidity Sensor
(Applicable for TSTBT4H2CPHM--A, &
TSTBT4H2CPHMW-A models only)
The indoor relative humidity sensor can be calibrated to
match any reference.
By pressing the MENU button 4 times from the
thermostat home screen, the display below appears
Use the  and  keys to select the indoor
temperature that corresponds to your old thermostat or
reference and then press ENTER.
Displaying the Time and
Temperature Schedule
The complete lime and temperature schedule can be
displayed.
By pressing the MENU button 4 times from the
thermostat home screen, the display below appears
Repeatedly press the Next key to display the scheduled
times and temperature settings. The factory set
schedule is shown on the following page.
Revised 06-13
Subject to change without prior notice
6 720 220 387
33
34
TSTBT4H2CP SERIES
7 Day Factory Default Program
7 Day Factory Default Program
Day of the
Week
Weekday
Saturday
Sunday
Time
Setpoint
Events Time
Temperature (Heat)
Setpoint
Temperature (Cool)
Morn
6 a.m.
70° F (21° C)
78° F (26° C)
Day
8 a.m.
62° F (17° C)
85° F (29° C)
Eve
6 p.m.
70° F (21° C)
78° F (26° C)
Night
10 p.m.
62° F (17° C)
82° F (28° C)
Morn
6 a.m.
70° F (21° C)
78° F (26° C)
Day
8 a.m.
62° F (17° C)
85° F (29° C)
Eve
6 p.m.
70° F (21° C)
78° F (26° C)
Night
10 p.m.
62° F (17° C)
82° F (28° C)
Morn
6 a.m.
70° F (21° C)
78° F (26° C)
Day
8 a.m.
62° F (17° C)
85° F (29° C)
Eve
6 p.m.
70° F (21° C)
78° F (26° C)
10 p.m.
62° F (17° C)
82° F (28° C)
Time Period
Night
use the table below to plan your customized
program schedule if using 5+1+1.
Custom User Schedule
Day of the
Week
Time Period
Time
Setpoint
Events Time
Temperature (Heat)
Setpoint
Temperature (Cool)
Morn
Weekday
Day
Eve
Night
Morn
Saturday
Day
Eve
Night
Morn
Sunday
Day
Eve
Night
6 720 220 387
Subject to change without prior notice
Revised 06-13
Troubleshooting
TSTBT4H2CP SERIES
35
TSTBT4H2CP Thermostat Series Installation Troubleshooting
Problem
1
Display on thermostat
not illuminated
Possible Explanation
Power is not available to
the thermostat
Possible Solution
1. V
erify that 8 VDC is at the ""+VDC"" terminal. Check
for proper wire connections to the thermostat
mounting plate and also at the terminal connection at
the TRM located by the equipment.
2. If all connections are correct, thermostat is bad.
Replace thermostat and contact your Bosch
distributor if your thermostat is still under warranty.”
Thermostat Settings are
not correct
1. V
erify that the thermostat mode is in “COOL”. If not,
push the SYSTEM button until “COOL” is displayed.
2. Verify the set point temperature is not higher than the
space temperature. If it is, use the (down) button to
adjust the set point to below the space temperature to
initiate a cooling call.
No Heating
Thermostat Settings not
correct
1. V
erify that the thermostat mode is in “HEAT”. If not,
push the SYSTEM button until “HEAT” is displayed.
2. Verify the set point temperature is not lower than
the space temperature. If not use the (up) button to
adjust the set point to above the space temperature to
initiate a heating call.
4
No Heating or Cooling
Once the space temperature matches the set point
temperature on the thermostat, the heating or cooling
call is removed and the equipment turns off. If the user
changes the set point temperature within the minimum
Thermostat has locked
off time, the equipment will not come on. This is a
out compressor due to
minimum off time setting protection feature for the compressor and is normal.
Wait 10 min and verify if equipment has began operating
in heating or cooling mode. If unit remains off, call a
licensed technician.
5
Heating comes on
during a cooling call
with a heat pump
The thermostat is not set Call a technician as the thermostat must be set up
up correctly for a heat
correctly. There are many settings to be made and
pump.
should only be attempted by a trained technician.
6
"Filter" is displayed
on the thermostat
The time duration for a
filter change has been
surpassed.
7
"UV Bulb" is displayed
on the thermostat
Change the UV bulb in the system and reset the UV
The time duration for a
bulb timer by pressing the area of where "UV Bulb" is
UV bulb change has been
displayed. Always check the manufacturer of the UV
surpassed.
system on how to perform general maintenance.
8
"HumPad" is
displayed on the
thermostat
The time duration for a
Humidifier Pad change
has been surpassed.
Change the humidifier pad and reset the pad timer
by pressing the area of where "HumPad" is displayed.
Always check the manufacturer of the humidifier on how
to perform general maintenance.
9
Fan will not turn off
Fan setting is set to ON
instead of AUTO
Press the FAN button to change the status to AUTO
2
3
10
No Cooling
The set point will not The set point limits have
go any higher or lower been reached
Revised 06-13
Change the filter and reset the filter timer by pressing
the area of where "Filter" is displayed
There is a maximum temperature in heating that cannot
be surpassed and a minimum temperature in cooling
that cannot be surpassed. The technician who installed
the thermostat may have set these limits to protect
the equipment. The end user should not modify these
settings and should consult with a trained technician
who is familiar with the equipment being used.
Subject to change without prior notice
6 720 220 387
TSTBT4H2CP SERIES
36
Troubleshooting
11
Problem
Possible Explanation
A fault code is being
displayed on the
thermostat screen
Consult a licensed professional if any of the following
Reference the Fault Code faults occur: HP1, HP2, LP1, LP2, FrA, CLA, bOA, EFA,
section in this manual to LEC, LHO, LCO
indentify the fault
Consult the literature for the gateway for fault code LGC
in order to re-establish communication with the gateway
Loss of Equipment
Communication / No
Communication
13
14
15
16
Equipment is not
responding to
thermostat changes
Loss of Equipment
Communication or
No Initial Equipment
Communication and
COM LED light is red
on the TRM
Compressor(s) comes
on in Heating when
using AC with electric
heat
Heating mode is not
available when using
AC equipment with
electric heat
Wiring is loose or
incorrect between TRM
and HVAC Equipment
Possible Solution
Verify that the COM LED on the TRM at the equipment is
blinking green. If it is red, then communication has been
lost for at least 10 minutes.
See Item #14 for possible solution
Check all wiring between the right hand side of the TRM
to the thermostat. Verify that the wiring is consistent on
both ends and that loose wire stands are not present as
to possibly create a short.
Since the TRM is not responding to the thermostat,
the HVAC LED or COM LED may not be on and does
not help diagnose the issue. Remove the cover to the
TRM and verify between terminals R & C (located on
There is not power to the
the right side) that there is at least 18 VAC. If 18 VAC is
TRM
not present, the issue could be in the wiring from the
transformer located in the equipment or the transformer
itself is bad. Verify low voltage output of the transformer
in the equipment.
Loose Wiring on
thermostat
Remove the thermostat from the back mounting plate
and ensue that all 4 wires are securely seated in the
terminals. Also verify that there are not wire strands
present as this will cause a short. Tighten up terminal
screws and trim any wire strands.
Loose Wiring on TRM
Remove the cover off of the TRM and verify that all wires
are securely seated in the terminals. Also verify that
there are not wire strands present as this will cause
a short. Tighten up terminal screws and trim any wire
strands.
Cross Wiring of
Communication Wires
between thermostat and
TRM
There are 2 wires used for MODBUS communication
between the thermostat and the TRM or the thermostat
and the zone panel. If a wire is connected to Terminal "A"
at the thermostat and terminal "B" at the TRM or Zone
panel, this will cause a communication error.
Thermostat is set up to
operate a heat pump
Thermostat is set up to
operate AC only
6 720 220 387
Enter Tech Menu Setup and change the type of
equipment (Option #3) to Gas/Electric (GE).
Read through the rest of the menu options as other
setting may need to be made; specifically Option #4
(number of Auxiliary Heat Stages)
Equipment type AC (established using Option #3 in
the Tech Menu Setup) is for a cooling only piece of
equipment. In order to be able to run an AC unit with
electric heat, change the equipment type to Gas/Electric
(GE) in Option #3 setup.
Read through the rest of the menu options as other
setting may need to be made; specifically Option #4
(number of Auxiliary Heat Stages)
Subject to change without prior notice
Revised 06-13
Troubleshooting
TSTBT4H2CP SERIES
Problem
Possible Explanation
Heat Pump is in
cooling mode when
thermostat is in
heating mode or vise
a versa
"O" terminal is being
used when the "B"
terminal should be or
vise a versa
18
The thermostat
setpoint is not
satisfied, yet there is
no heating or cooling
call to the equipment
Remote room
temperature sensors are
connected and average
the space temperatures
with the thermostat
19
Menus described in
Missing menu does not
the Tech Menu Setup
apply to the equipment
Table are not available
being used
on the thermostat
17
Possible Solution
Some heat pumps are by default in the Heating mode
and utilize a “O” call to shift the reversing valve and
enable cooling. Other manufacturers of heat pumps have
the equipment in cooling mode by default and require a
“B” call to shift the reversing valve and enable heating.
Verify with the equipment’s literature to understand how
the reversing valve is controlled.
Verify the wiring between the equipment and the TRM
or the equipment and the zone panel to ensure wiring is
correct.
When remote room temperature sensors are connected
to the TRM, the space temperatures from the thermostat
and the room sensor(s) are averaged. It is possible to
have the thermostat not satisfying the set point and
still not have the equipment running. The average of the
sensor(s) and the thermostat has satisfied the setpoint.
When the equipment type is chosen using Option #3,
certain features or options will not apply. When this is
the case, that menu setup is skipped when going through
the list of menu setup options.
Available Accessories for the TSTBT4H2CP Thermostat Series
Descriptive Part Number
Bosch Part Number
Description
Model Compatibility
ZONB-OTS---M--A
7738002978
Outdoor Temperature
Sensor / Remote Room
Temperature Sensor
TSTBT4H2CP-M--A
TSTBT4H2CPHM--A
ZONB-LAS---M--A
7738002979
Leaving Air Temperature
Sensor
TSTBT4H2CP-M--A
TSTBT4H2CPHM--A
TSTB--TRM--6--A
7738002948
Translator Communicating
Remote Module
TSTBT4H2CP-M--A
TSTBT4H2CPHM--A
Specifications for the TSTBT4H2CP Thermostat Series
The Display Range of Temperature
50 °F - 85°F (10 °C - 30 °C)
The Control Range of Temperature
50 °F - 85°F (10 °C - 30 °C)
Display Accuracy
± 1 °F (± 0.5 °C)
Temperature Swing
1 °F - 1.5 °F (0.5 °C - 0.75 °C)
Power Source
8 VDC from TRM or Bosch Zoning Panel
Operating Ambient Temperature
-4 °F - 167 °F (-20 °C - 75 °C)
Operating Ambient Humidity
10% - 90% RH
Storage Ambient Temperature
-4 °F - 167°F (-20 °C - 75 °C)
Dimensions of Thermostat
3.5” x 4.5” x 1” (H x W x D)
(89 mm x 114.3 mm x 25.4 mm)
Dimensions of TRM
5.25” x 3.25” x 1” (H x W x D)
(133.4 mm x 82.6 mm x 25.4 mm)
Revised 06-13
37
Subject to change without prior notice
6 720 220 387
38
TSTBT4H2CP SERIES
Product Limited Warranty
Contact your local Bosch Dealer or Installing Contractor
for product support.
unsatisfactory performance caused by improper
installation, repair or maintenance.
6. Any labor or material costs for removal, reinstallation,
repair and replacement of the defective component
or part.
Field Technical Support:
866-642-3198
Bosch
7. Electricity or fuel costs, or any increases or unrealized
savings in same, for any reason whatsoever.
601 N.W. 65th Ct.
Ft. Lauderdale, FL 33309
8. Damage caused by excessive temperatures or
pressures, fuel or gas explosion, electrochemical
reaction, water and air impurities, electrical failures,
use during construction, flooding or acts of God.
www.bosch-climate.us
Product Limited Warranty
Models Covered
This limited warranty is provided by FHP Manufacturing
Company (“FHP”) and covers the Bosch TST Thermostat
(hereinafter referred to as “Product”). This warranty is
provided to the original purchaser of the Product as long
as the Product remains installed at its original place of
installation.
WARRANTY COVERAGE
9. Any damage or failure resulting from the introduction
of harmful chemicals, caustic fluids, or liquids
detrimental to any unit component, including but not
limited to improperly applied or maintained heat
transfer fluids or chlorinated pool or spa water
10. Any damage or failure resulting from improper unit
sizing.
11. Shipping charges, delivery expenses or
administrative fees incurred by the purchaser in
repairing or replacing the Product.
Limited Warranty
FHP warrants that all internal components incorporated
into the Product at the time of shipment by FHP shall
remain free from defects in workmanship and materials
for the shorter of five (5) years from proof of certificate of
occupancy date, five (5) years from proof of certified start
up date or six (6) years from date of manufacture
provided it is installed and properly maintained by a
qualified and trained HVAC contractor and the other
conditions of this warranty are met. If FHP determines
that the Product has a defect in workmanship or
materials, FHP, at its option, will repair or replace the
defective part.
ITEMS NOT COVERED
This limited warranty does not cover the following
circumstances:
1. Components or parts not provided by FHP.
2. Components or parts on which the tags or
nameplates have been removed, altered or defaced.
3. Scratches in or discoloration of finishes.
4. Serviceable items and normal maintenance as
required per the Installation and Maintenance
Manual.
CONDITIONS OF WARRANTY
The warranty herein is void under the following
circumstances:
1. Failure or malfunction resulting from improper or
negligent operation, accident, abuse, freezing,
electrical imbalance characteristics, misuse,
unauthorized alteration, incorrect electrical supply,
electrical surges, or improper installation, repair or
maintenance. See the Installation and Maintenance
Manual for installation and maintenance information.
2. Failure or malfunction resulting from any conditions
within the structure, including mold and/or mildew
and/or any chemical or toxin secreted there from or
damage resulting from mold, fungus or bacteria.
3. Failure or malfunction resulting from a contaminated
or corrosive air or liquid supply, the addition of
unapproved chemicals, operation at abnormal
temperatures, pressures or flow rates, opening of the
refrigerant circuit by unqualified personnel or any
attachment, accessory or component not authorized
and approved by FHP. See the Installation and
Maintenance Manual for installation and maintenance
information.
5. The workmanship of any installer. FHP disclaims and
does not assume any liability of any nature for
6 720 220 387
Subject to change without prior notice
Revised 06-13
product limited Warranty
4.
Failure or malfunction due to misapplication or faulty
building design or construction, including inadequate
refrigerant levels, condensate drain, duct work
design or installation.
5.
Product on which payment to FHP is or has been in
default.
6.
Work performed without prior authorization or
approval and without authorization/requisition
number and without proper documentation verifying
compliance with above terms.
liMiTed WaRRanTy
OTHER THAN THE OBLIGATIONS OF FHP EXPRESSLY SET
FORTH HERIN, fhp disClaiMs all WaRRanTies,
eXpRess oR iMplied, inCluding buT noT liMiTed
To any iMplied WaRRanTies of MeRChanTabiliTy
oR fiTness foR a paRTiCulaR puRpose. FHP’S
SOLE OBLIGATION WITH RESPECT TO THE PRODUCT
AND puRChaseR’s eXClusive ReMedies aRe seT
foRTh in The foRegoing liMiTed WaRRanTy. fhp
shall noT be liable foR any indiReCT, puniTive,
inCidenTal, speCial, ConsequenTial oR siMilaR
daMages INCLUDING, WITHOUT LIMITATION, INJURY
OR DAMAGE TO PERSONS OR PROPERTY OR DAMAGES
FOR LOSS OF USE, LOST PROFITS, INCONVENIENCE OR
LOSS OF TIME.
n
Note that any repaired or replaced product will be
warranted for only the unexpired tem of the
original warranty.
n
Some states do not allow the exclusion of
limitation of damages, or limitations on how long
an implied warranty lasts, so the above limitations
and exclusions may not apply to you.
Revised 06-13
TsTbT4h2Cp seRies
39
WaRRanTy ClaiMs pRoCess
If you have a warranty claim you should notify the
contractor who installed your Product and ask that the
contractor notify FHP Manufacturing Company, 601 N.W.
65th Court, Ft. Lauderdale, FL 33309. To process your
claim, you will need a copy of your original invoice or
other proof of purchase, the product serial number and
documentation showing the original installation date and
location. The alleged defective components or parts must
be returned to FHP in accordance with FHP procedure
then in force for handling goods returned for the purpose
of inspection to determine cause of failure (contact FHP if
you have questions regarding the return process). If FHP
determines that the returned components and/or parts
are defective and that this warranty applies, FHP will
furnish the repaired or replacement components and/or
parts to the contractor who installed your Product.
This Warranty applies to FHP products installed in the
Continental United States and Canada only.
Subject to change without prior notice
6 720 220 387
601 N.W. 65th Court, Ft. Lauderdale, FL 33309
Phone: 866-642-3198 | Fax: 954-776-5529
www.bosch-climate.us