Specifications

COMMUNICATING SYSTEM
R
616 51 1003 01 7/8/2015
Specifications subject to change without notice.
Color Touch-screen Communicating Wall Control
For use in Single or Multi-Zone Installations
EASIER TO SELL
 Supports Observer System communicating equipment multistage Heating and Cooling
operation, including modulating gas furnaces (version 4.02 and later) and inverter
compressor sections (version 5.01 and later). NOTE: The TSTAT0101SC wall control is
NOT compatible with inverter outdoor units.
 Model TSTAT0201CW features Remote Access via home Wi-Fi
R
network; See www .MyObserverComfort.com
for more information and access to iOS and Android mobile apps.
 High definition full color touch-screen display
 Simplified programming with options for 4 daily periods during individual days,
all days same, or weekday/weekend schedule; California Title 24 compliant
 Two hold options, including indefinite hold and timed override hold
 Selectable constant fan speed option – Low, Medium, High
(with compatible indoor equipment)
 Selectable screen backlight brightness, including 30%/Off
 Screen cleaning function (disables touch-screen for 30 seconds)
 Adjustable/resettable filter and service reminders
 Touch-screen lockout option
 When installed as part of a complete Observer Zoning System,
the TSTAT0101SC and TSTAT0201CW can be used as a Zone Sensor option
for Zones 2 through 6.
EASIER TO INSTALL
 4−wire (or 2−/3− wire depending on the communicating outdoor unit used) installation
from each compatible component in the system
 Communication with all compatible components in the system
 Self configuration with all compatible components in the system
 Option to use NAXA00101DB Daughter Board for connection with
non-communicating system components (Single or Multi-Zone Installations)
 Supports up to 4 stages Heat, 2 stages Cool for non−communicating equipment
 True Dual Fuel compatible
 Full humidity control (with compatible equipment)
 Outdoor temperature automatically received from compatible outdoor component,
or use accessory OD temp sensor with non-communicating equipment and daughter board
 QWERTY keyboard for data entry
 Selectable brand logo (or no logo)
EASIER TO SERVICE
 Non-volatile memory with 8+ hour clock retention, holds program
settings indefinitely without power
 Text based diagnostics viewable on screen
 Up to last 10 diagnostic fault messages viewable on service screens
 Enter dealer name and contact info for display during a fault
Physical Characteristics
Dimensions − H x W x D inch(mm) Appearance
3.9 x 5.2 x .97 (99 x 132 x 25) Plastic, white color, textured
Electrical Characteristics / Communication
Input Volts/Amps 24VAC, 500ma maximum
Each device in the Observer Communicating System has a four-pin
connector labeled DX+, DX-, R, C
It is recommended that the color code be used when wiring each
device
DX+ = Green = Data A
DX- = Yellow = Data B
C = White = 24VAC (Com)
R = Red = 24VAC (Hot)
Wiring Requirements − Wall Control
Power Supply Wiring Material (field supplied)
24VAC, 12 VA maximum, 50/60 Hz, via indoor equipment DX+ DX-
C R Connector
Standard thermostat wire, 18 AWG recommended
Environmental Requirements − Wall Control and Accessories
Operating Temp./ Relative Humidity Storage Temp./ Relative Humidity Setpoint Specifications
Wall Control and all sensors: 32F to 104F /
0C to 40C, 95% rh non-condensing
Wall Control: -40°F to 134°F / -40°C to 57°C,
95% rh non-condensing
Temperature set point range: 40°F to
90°F / 4°C to 32°C
All trademarks are the property of their respective owners. Wi−Fi

is a registered trademark of Wi−Fi Alliance Corporation.
®
TSTAT0201CW
Product Specifications