Aci TUCH2 User manual

2305 Pleasant View Rd. Middleton Industrial Park Middleton, WI 53562

PH: (608) 831-2585 FAX (608) 831-7407

www.workaci.com

I0000621 Rev 5 1

TUC2 / TUCH2

Model Series Installation Instructions

PLEASE READ INSTRUCTIONS CAREFULLY BEFORE INSTALLATION!

APPLICATION

The TUC2 provides temperature space monitoring with a backlit LCD. The TUCH2 provides

temperature and relative humidity monitoring with a backlit LCD. Depending on the

configuration, the units can display and output Temperature, Relative Humidity, Setpoint, Fan

Speed, System Status, and Occupied/Unoccupied Status.

The TUC2 and TUCH2 supports single temperature sensor operation for several common sensor

types and it provides the flexibility to choose from numerous setpoint output options. The

TUCH2 supports relative humidity output in all standard analog signals at 2%, 3%, or 5%

accuracy. A setup menu provides easy output and display configuration changes.

INSTALLATION

Precautions

REMOVE POWER BEFORE WIRING.NEVER CONNECT OR DISCONNECT WIRING

WITH POWER APPLIED.DO NOT ALLOW LIVE WIRES TO TOUCH THE CIRCUIT

BOARD.

AN ISOLATION TRANSFORMER IS RECOMMENDED WHEN POWERING THE

DEVICE WITH 24VAC.

DO NOT RUN THE TUC2 OR TUCH2 WIRING IN ANY CONDUIT WITH LINE

POWERED WIRING.

FAILURE TO WIRE DEVICES WITH THE CORRECT POLARITY WHEN USING A

SHARED TRANSFORMER MAY RESULT IN DAMAGE TO ANY DEVICE POWERED

BY THE SHARED TRANSFORMER.

2305 Pleasant View Rd. Middleton Industrial Park Middleton, WI 53562

PH: (608) 831-2585 FAX (608) 831-7407

www.workaci.com

I0000621 Rev 5 2

Mounting

Carefully separate the cover from the base by pulling the cover and base apart towards

the bottom of the device. The hex screw may need to be turned in to release the cover.

Route the wires through the access hole in the center of the base and screw them into the

terminal blocks. Refer to the wiring instructions to make the necessary connections.

Attach the base directly to drywall, or to a standard 2” x 4” junction box using the

hardware provided. After wiring, attach the cover to the base and turn out the hex screw

until the cover cannot be removed.

Wiring

A 16 to 22 AWG shielded cable is recommended for all sensor installations. Be sure to

connect the cable shield to the ground at the controller only. The number of wires needed

depends on the application, with 3 wires minimum required to support the outputs of the

TUC2 unit. Generally, one wire is required for each output, one wire for power, and one

wire for ground. All outputs are common ground referenced.

Notes:

1. TUC2 units do not have RH or RHS terminal locations loaded.

2. If your TUC2 or TUCH2 has any output configured with a 10V or Current output,

the voltage at the +V terminal must be at least +18 VDC.

2305 Pleasant View Rd. Middleton Industrial Park Middleton, WI 53562

PH: (608) 831-2585 FAX (608) 831-7407

www.workaci.com

I0000621 Rev 5 3

+V - +12 to +40 VDC or 20 to 28 VAC

COM -Ground or signal common, 20 to 28 VAC

T - Temperature sensor signal to controller

TS - Temperature set point signal to controller

O/R - Override signal to controller

F/A - Fan signal to controller

OFB - Occupied feedback signal from controller

S1 - 3.5mm phone jack ring / Digital input or output

S2 - 3.5mm phone jack tip / Digital input or output

S3 - 3.5mm phone jack shield

RH - RH signal to controller

RHS - RH set point or system signal to controller

Communication Jack Wiring

Modular Telephone Jack

Before mounting the base to the wall, make the appropriate connections to the

communication jack as described below. The number of wires needed depends on the

application. Using the provided wire nuts, attach the required wires to the proper

connector pins used by your application.

4 Pin 4 Connector

6 Pin 6 Connector

COM S3

F/A

TO/R S1

OFB S2 RH

+V RHS

WIRE WIRE

NUMBER: COLOR:

1 BLK

2 RED

3 GRN

4 YEL

REAR VIEW:FRONT VIEW:

PIN 1

24 6

FRONT VIEW: REAR VIEW:

WIRE WIRE

NUMBER: COLOR:

1 BLU

2 BLK

3 RED

4 GRN

5 YEL

6 WHT

PIN 1

2305 Pleasant View Rd. Middleton Industrial Park Middleton, WI 53562

PH: (608) 831-2585 FAX (608) 831-7407

www.workaci.com

I0000621 Rev 5 4

6 Pin 4 Connector

3.5mm Stereo Jack

Attach the required wires to the proper terminal locations. The TUC2 or TUCH2 supports

three signal wires, ring, tip, and shield. The number of wires needed depends on the

application.

OPERATION

Keypad

The keypad comes in a 2 button, 3 button, 4 button, 5 button, or 6 button version.

A 6 button keypad is needed for fan or system mode. A 3 button or 5 button

keypad is needed for override mode.

PIN 1 4

FRONT VIEW: REAR VIEW:

WIRE WIRE

NUMBER: COLOR:

1 BLK

2 RED

3 GRN

4 YEL

Ring

Shield

Tip

Terminal Block: Jack Connections:

S1 Terminal Ring

S2 Terminal Tip

S3 Terminal Shield

SETUP

MODE

SELECT

O/R

2305 Pleasant View Rd. Middleton Industrial Park Middleton, WI 53562

PH: (608) 831-2585 FAX (608) 831-7407

www.workaci.com

I0000621 Rev 5 5

Normal Mode

The LCD can display temperature, RH, occupied status, system mode, and fan

mode. The display configuration can be setup when ordered or changed through

the setup menu. The backlight will turn on when the any key is pressed and will

turn off 10 seconds after the last key press.

Setpoint Mode

Press or to get into setpoint mode and change the setpoint. If a

temperature and RH setpoint are used, pressing or and will

switch the large numbers between temperature and RH. If temperature is

displayed in the large numbers, the temperature setpoint will adjust when or

is pressed. If RH is displayed in the large numbers, the RH setpoint will

adjust when or is pressed. If no keys are pressed for 10 seconds the

unit will automatically return to normal operation.

2305 Pleasant View Rd. Middleton Industrial Park Middleton, WI 53562

PH: (608) 831-2585 FAX (608) 831-7407

www.workaci.com

I0000621 Rev 5 6

Fan/System Mode

Press to change the fan or system setting. The fan or system setting will

start blinking after is pressed. Press or and to switch

between the fan and system modes. The mode that is blinking will change when

or is pressed. Press to return to normal operation. If no keys are

pressed for 10 seconds the unit will automatically return to normal operation.

Setup Mode

Press and hold for 5 seconds or press and hold and for 10

seconds to enter setup mode. Once in the setup menu, or will scroll

through the setup menu. Press or and to enter menus. Press

or and to save a menu selections. Press to return to the

previous menu. If no keys are pressed for 15 seconds the unit will automatically

return to normal operation.

Setup Menu

The full setup menu with descriptions of all the options is shown on page 7. The

setup menu will change depending on the configuration ordered. Only the menu

options that apply to the configuration ordered will be shown. For instance, if no

Fan or System were ordered then those menu options would not appear.

Setup Lockout

In the setup menu there is an option to lockout setup mode. This can be used if

you do not want users to change the setup. Once the setup menu is locked, press

and for 10 seconds to get into setup mode.

2305 Pleasant View Rd. Middleton Industrial Park Middleton, WI 53562

PH: (608) 831-2585 FAX (608) 831-7407

www.workaci.com

I0000621 Rev 5 7

Temp. Setpoint

Calibration

Selects between two

different setpoint

outputs, only supported

for special orders

RH Menu Display Menu Fan Menu System Menu Additinal Options Menu

Temperature Menu

Degrees F or C

Changes the temp.

scale and setpoint

scale

Offset Adjustment

Adjusts the temp.

output up to +/- 5

degrees

Temp. Output Range

Changes the temp.

output range for analog

outputs

Temperature DA/RA

Changes the temp.

output to direct or

reverse acting for

analog outputs

Temperature Options

Temperature Test

Sets the temp. output

to 40F, 72F, or 104F

for testing the output

Temperature Tenths

Removes the tenths

place from the temp.

display

Temp. Setpoint

Midpoint

Sets the temperature

setpoint midpoint

Temp. Setpoint Options

Temp. Setpoint Range

Sets the temp.

setpoint range

Temp. Setpoint

Keylock

Locks out the user from

making any setpoint

changes

Temp. Setpoint DA/RA

Changes the setpoint

output to direct or

reverse acting for

analog outputs

Temp. Setpoint Display

Sets how the setpoint is

displayed, either an

offset or temperature

can be displayed

RH Offset

Adjusts the RH

output up to +/- 5%

RH Test

Sets the output to

0%, 50%, and 100%

for testing the output

RH DA/RA

Changes the RH

output to direct or

reverse acting

RH Tenths

Removes the tenths

place from the RH

display

RH Options

RH Setpoint Options

RH Setpoint

Midpoint

Sets the RH setpoint

midpoint

RH Setpoint Range

Sets the RH setpoint

range

RH Setpoint

Keylock

Locks out the user

from making

setpoint changes

RH Setpoint DA/RA

Changes the

setpoint output to

direct or reverse

acting for analog

outputs

RH Setpoint Display

Sets how the

setpoint is

displayed, either an

offset or RH can be

displayed

Display Setup

Changes what is

displayed and the

location on the

display

Display Options

Backlight Brightness

Sets the backlight

brightness

Setpoint Always On

Sets the setpoint to

always be displayed

Fan On or Off

Hides the fan

display

Fan Options

Fan Keylock

Locks out the user

from making fan

adjustments

System On or Off

Hides the system

display

System Options

System Keylock

Locks out the user

from making system

adjustments

Setup Lockout

Locks out the setup

menu. To get into

the setup menu

when locked, press

the up and down

arrows for 5

seconds

Additional Options

Factory Reset

Resets the unit to

factory defaults

Factory Reset

Resets the unit to

factory defaults

Factory Reset

Resets the unit to

factory defaults

Software Version

Displays the

software version

number.

Backlight Duration

Sets the length of

time the backlight

stays on**

** Increasing the time the backlight stays on will reduce the life of the backlight

2305 Pleasant View Rd. Middleton Industrial Park Middleton, WI 53562

PH: (608) 831-2585 FAX (608) 831-7407

www.workaci.com

I0000621 Rev 5 8

Specifications

Warranty Statement

The A/TUC2 Series and the A/TUCH2 Series are covered by ACI’s Five (5) Year Limited

Warranty, which is located in the front of ACI’s SENSORS AND TRANSMITTERS

CATALOG or can be found on ACI’s web site, which is: www.workaci.com

Supply Voltage

+12-40VDC (Resistance, 0-1V, 0-5V, 0.5-4.5V)

+18-40VDC (0-10V, 2-10V, 0-20mA, 4-20mA)

20-28 VAC (All Outputs)

Supply Current

100mA max (Current Output Models)

16mA max (Voltage and Resistive Output Models)

Temperature Accuracy

+/- 1°F (+/- 0.56°C)

Operating Temp. Range

40°F to 104°F (5°C to 40°C)

Operating Environment

32°F to 122°F (0°C to 50°C)

0 to 95% RH (non- condensing)

RH Measurement Range

0 to 100% RH (non-condensing)

RH Accuracy at 77°F

10% to 95% RH +/-2%. +/-3%. +/-5%

Analog Outputs

Resistive, 0-1V, 0.5-4.5V, 0-5V, 1-5V, 0-10V, 2-10V, 0-20mA,

4-20mA

(500 ohms maximum load resistance on current outputs)

Setpoint Accuracy

+/- 5% Full Scale Output (Resistance)

+/- 2% Full Scale Output (Analog)

Analog Setpoint Outputs

Resistive, 0-1V, 0.5-4.5V, 0-5V, 1-5V, 0-10V, 2-10V,

0-20mA, 4-20mA

Setpoint Resolution

Increments

+/-1°F (+/- 0.5°C) for Temperature or +/-1% for RH

Setpoint Range

See ordering information

Override, Fan, & System

Options

See ordering information

Communication Jack

See ordering information

Approvals

RoHS, REACH

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