TCS US4050 User manual

2800 Laura Lane • Middleton, WI 53562 | 800.288.9383 | www.tcsbasys.com 202211
|Installation Manual
UbiquiSTAT
Commercial BACnet Controller

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Introduction ...........................................................................................................................................3
Opening the UbiquiSTAT......................................................................................................................3
Mounting the UbiquiSTAT....................................................................................................................3
Powering the UbiquiSTAT ....................................................................................................................3
UbiquiSTAT Wiring Connections ........................................................................................................4
Active Terminations ........................................................................................................................................................4
Power................................................................................................................................................................................. 5
RS-485 Port ...................................................................................................................................................................... 5
Packaged Unit Terminations ......................................................................................................................................... 6
Time Clock Output.......................................................................................................................................................... 6
Analog Outputs................................................................................................................................................................ 6
Digital Inputs .................................................................................................................................................................... 7
Temperature Inputs......................................................................................................................................................... 7
Analog Inputs ................................................................................................................................................................... 7
Assembling the UbiquiSTAT.................................................................................................................8
Touch Screen Interface.........................................................................................................................8
Contents

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33
Introduction
Congratulations on choosing the UbiquiSTAT™ room controller! The UbiqiSTAT series of controllers are feature rich,
multifunction touchscreen devices providing extensive controls across a wide range of HVAC applications.
This manual includes all the information necessary to install and wire your UbiquiSTAT room controller. It includes a
breakdown of the input and output wiring for each type of connection.
After installing your UbiquiSTAT, refer to the UbiquiSTAT Quick Setup Guide for instructions on the basic setup of the
device. Refer to the UbiquiSTAT Conguration Guide for instructions on conguring the device, the communications
network and other devices connected to this controller. Refer to the UbiquiSTAT BACnet Explorer Guide for advanced
information on using the built-in BACnet Explorer to edit the device's BACnet programming objects directly.
If you have any questions regarding your UbiquiSTAT room controller, do not hesitate to contact TCS Technical Support at
800-288-9383, ext. 2. Our Technical Support Department hours are Monday – Friday, 7:00 a.m. to 7:00 p.m. (CST).
Opening the UbiquiSTAT
The UbiquiSTAT consists of a base containing wiring terminal blocks and relays, and a front cover containing the
touchscreen and all other circuitry. It is shipped unassembled. Each base and cover pair are serialized together; if you are
installing multiple UbiquiSTATs, do NOT mix and match bases and covers.
To remove the UbiquiSTAT cover once assembled, insert a small plastic pry tool or athead screwdriver between the front
cover and base on the bottom of the thermostat. Carefully run the tool along the seam until the halves separate.
Mounting the UbiquiSTAT
Mount the base of your UbiquiSTAT room controller on a vertical wall using two #6 sheet metal screws, either over a 2"
x 4" or 4" x 4" junction box, or directly to the wall. For best results, select an interior wall that represents a normal room
environment, at a height of about 48" from the oor. Mount the unit in a location which is accessible for adjusting settings.
For best temperature measurement accuracy, avoid areas that are exposed to direct sunlight, unusual heating or cooling
sources, open doors and windows, unventilated locations, and hot or cold air from diffusers. If you are using a remote
room sensor, mount it in the same manner.
Powering the UbiquiSTAT
The UbiquiSTAT is powered from 24 VAC +15%/–5% and draws up to 10VA. If wiring for communications, you must use
dedicated power (transformer) to the unit. Several TCS controllers may be powered from the same transformer, provided
the transformer has sufcient power and you maintain proper polarity. While the UbiquiSTAT may be powered from the
HVAC unit controller, using a dedicated power source will avoid any potential ground loop issues between equipment
transformers.
When the UbiquiSTAT is used as a stand-alone thermostat without communications, the equipment transformer may be
used to power it. To do this, install a jumper between the “R” (Packaged Unit Terminations) and “+24” (Power) terminals.
The “–24” (Power) terminal must then be connected to the common side of the equipment transformer.
Installation
Bottom View
Insert Pry Tool Here

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Installation
4
UbiquiSTAT Wiring Connections
The input/output terminals on the UbiquiSTAT utilize de-pluggable terminal blocks, with either two or three poles. Refer to
the color-coded diagram below, which indicates which terminations are active on the various models.
R W1 W2 Y1 Y2 G B/O TC AO1 AO2 GND
DI1
A
B
REF
+
–
24V
DI2 DI3 GND T1 T2 T3 +P AI1 AI2 GND
Power
RS-485
Digital
Inputs
Analog
Inputs
Packaged Unit
Terminations
Analog
Outputs
Time Clock
Output
Temperature
Inputs
‘10 ‘20 ‘40 ‘50
‘10 ‘40 ‘50
‘50
‘50
‘20 ‘40 ‘50
= Available on ‘20, ’40, ‘50
= Available on All Models
= Available on ‘10, ’40, ‘50
= Available on ‘40, ’50
= Available on ‘10, ‘50
= Available on ‘50
Active Terminations
‘10
‘40 ‘50

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55
Installation
Power
Connect the power source using 18AWG two-wire twisted, stranded copper wire.
NOTE: Do not connect to 120VAC. When multiple TCS/Basys Controls devices are using a single transformer, be sure to
maintain the polarity of the power wiring. All TCS devices are half-wave rectified and have common return paths.
R W1 W2 Y1 Y2 G B/O TC AO1 AO2 GND
DI1
A
B
REF
+
–
24V
DI2 DI3 GND T1 T2 T3 +P AI1 AI2 GND
+
–
+
–
24V
‘10 ‘20 ‘40 ‘50
‘10 ‘20 ‘40 ‘50
RS-485 Port
For communication wiring, use 22AWG three-wire twisted, stranded shielded copper wire. Must run separately.
R W1 W2 Y1 Y2 G B/O TC AO1 AO2 GND
DI1
A
B
REF
+
–
24V
DI2 DI3 GND T1 T2 T3 +P AI1 AI2 GND
A
B
REF
‘10 ‘20 ‘40 ‘50
Optional: When used as a standalone thermostat with no communications, you can power the unit via the HVAC
unit's transformer. To do this, install a jumper connecting the "R" and "+24" terminals. The "–24" terminal must then be
connected to the common side of the unit transformer.
RW1 W2 Y1 Y2 G B/O TC AO1 AO2 GND
DI1
A
B
REF
+
–
24V
DI2 DI3 GND T1 T2 T3 +P AI1 AI2 GND
R
R
Com
+
–
24V
Unit
Transformer
Jumper

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Installation
6
Time Clock Output
The Time Clock Output is an unpowered, isolated pair of relay contacts. Connect an external device that operates with a
schedule based on room occupancy, such as an outdoor air dampener or exhaust fan. Use 18 – 22AWG two-wire twisted,
stranded shielded or unshielded wire.
‘10 ‘20 ‘40 ‘50 B/O TC
Analog Outputs
Connect 4 – 20mA, analog output devices using 18 – 22AWG two-wire twisted, stranded shielded or unshielded wire.
Connected actuators, motors, or drives must be powered separately from the UbiquiSTAT. If you desire a voltage output,
use an included 500Ω resistor.
AO1 AO2 GND
+ – + –
*
* = Optional
500ΩResistor
AO1 AO2 GND
‘10 ‘40‘50
+ –
*
AO1 AO2 GND
Packaged Unit Terminations
Packaged unit signals may be up to 28VAC from the equipment terminations.
R W1 W2 Y1 Y2 G B/O TC AO1 AO2 GND
DI1
A
B
REF
+
–
24V
DI2 DI3 GND T1 T2 T3 +P AI1 AI2 GND
‘10‘20 ‘40 ‘50
R W1 W2 Y1 Y2 G B/O TC
B/OGY2Y1W2W1R
or
B/O TC
+–
24VAC
R W1 W2 Y1 Y2 G B/O TC
B/OGY1W1R

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77
Installation
‘10 ‘20 ‘40 ‘50
Digital Inputs
Digital inputs are used to receive status signals such as lter status, fan status, etc. Use unpowered dry contacts only with
18AWG two-wire twisted, stranded shielded or unshielded wire.
R W1 W2 Y1 Y2 G B/O TC AO1 AO2 GND
DI1
A
B
REF
+
–
24V
DI2 DI3 GND T1 T2 T3 +P AI1 AI2 GND
DI1 DI2 DI3 GND
‘10 ‘20 ‘40 ‘50
Temperature Inputs
Connect 1000Ω PtRTD temperature sensor inputs (range of -40ºF to 160ºF) using 18AWG two-wire twisted, stranded
shielded wire, maximum 250 ft. length. Sensors can be used for remote room temperature, discharge air temperature,
outdoor air temperature or mixed air temperature. Sensor wires should be kept at least ve feet from live voltage wiring.
NOTE: When using remote sensors, the unit may need to be calibrated See the UbiquiSTAT Conguration Guidefor more
information.
R W1 W2 Y1 Y2 G B/O TC AO1 AO2 GND
DI1
A
B
REF
+
–
24V
DI2 DI3 GND T1 T2 T3 +P AI1 AI2 GND
Red Black
T1 T2 T3
Analog Inputs
Connect 0 – 20mA or 4 – 20mA analog inputs using 18AWG two-wire twisted, stranded shielded wire. These inputs can
be used for any current-based sensors such as CO2and humidity. Inputs can be two-wire or self-powered.
R W1 W2 Y1 Y2 G B/O TC AO1 AO2 GND
DI1
A
B
REF
+
–
24V
DI2 DI3 GND T1 T2 T3 +P AI1 AI2 GND
+ – + –
+24V
+P AI1 AI2 GND
+ –
+24V
+P AI1 AI2 GND
‘50‘40

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Installation
8
Assembling the UbiquiSTAT
Before assembly, check that no wiring interferes with the cover, and no bare wires are exposed. Follow the instructions
below. You can also refer to a video illustrating the assembly process by clicking here.
STEP 1 Match the orientation of the internal connectors.
The top connector runs horizontally and the
bottom connector runs vertically.
STEP 2 Gently seat the front cover onto the base, checking
the alignment on all four sides.
STEP 3 Starting on the right side of the unit and using
both hands, snap all four corners of the cover
into place. Do not force the cover onto the unit!
If it does not easily snap into place, check to make sure the internal connectors are properly aligned and
reassemble the unit.
NOTES:
If the screen does not light up:
• Check that there is power to the base
• The internal connectors may not be fully engaged. Carefully remove the cover and reassemble
If the screen lights but relays or inputs/outputs are not working:
• The internal connectors may not be fully engaged. Carefully remove the cover and reassemble
Touch Screen Interface
The home screen provides at-a-glance system information and
basic user controls. The navigation automatically returns to the
home screen and the display dims after 10 minutes of inactivity (no
touches detected).
1
2
3
4 5 6
7
8
9
10
11
12
No. Description
1 Room Temperature and Setpoints
2 DI Setpoint Setback Active Indicator
3 Information Text (from connected sensors)
4 Settings Menu
5 Status Screens
6 About Screen
7 Service Status Indicator
8 Display Banner (Device Name and Date/Time)
9 Fan Operation Indicator
10 System Status (Heating/Cooling)
11 Economizer Status*
12 Occupancy Status
*Available only on the 4040/4140 and 4050/4150