Aci TUCH2 User manual

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

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

I0000621 Rev 6 www.workaci.com 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

I0000621 Rev 6 www.workaci.com 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

I0000621 Rev 6 www.workaci.com 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

I0000621 Rev 6 www.workaci.com 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

I0000621 Rev 6 www.workaci.com 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

I0000621 Rev 6 www.workaci.com 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

I0000621 Rev 6 www.workaci.com 7

Setup

°F or °C

Changes the temp scale

and setpoint scale

Offset Adjustment

Adjusts the temp output

up to ± 5°

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 Test

Sets the temp output to

40°F, 72°F, or 104°F for

testing the output

Temperature Tenths

Removes the tenths place

from the temp display

Temp Setpoint Midpoint

Sets the temperature

setpoint midpoint

Temp Setpoint Range

Changes the temp

Setpoint range

Temp Setpoint Keylock

Locks out the user from

making any setpoint

changes

Temp Setpoint Options

Temp Setpoint

Calibration

Selects between two

different setpoint outputs,

only supported for special

orders

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

Sensor

Display

The full setup menu with descriptions of all the options are

shown above. The setup menu will change depending on

the configuration ordered. Only the menu options that

apply to the configuration ordered will be shown on the

unit.

Press and hold SETUP for 5 seconds or press the UP arrow

and DOWN arrow for 10 seconds to enter the Setup mode.

Press UP/DOWN arrows to scroll through top level menus.

Press SELECT to enter into Options Menus

Press UP/DOWN to scroll through Options Menu

Press SELECT to chose and save option in Options Menu

A full size version of this diagram can be found at

www.workaci.com

Setup

Temperature Options

(blank)

Setup

offset

°C °F

Setup

O Ut

Setup

dA rA

Setup

tE nth

Setup

tE St

Setup

(blank)

Setup

setpoint

rA ngE

Setup

setpoint

LO C

Setup

setpoint

CA L

Setup

setpoint

dA rA

Setup

setpoint

dI SP

Setup

setpoint

RH Offset

Adjusts the RH output up

To ± 5% RH

RH Test

Sets the output to 0%,

50%, & 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 Setpoint Midpoint

Sets the RH setpoint

midpoint

Temperature Menu

RH Menu

RH Setpoint Options

Display Menu

Fan Menu

System Menu

Additional Options Menu

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

Backlight Brightness

Sets the backlight

brightness

Backlight Duration

Sets the length of time the

backlight stays on**

Setpoint Always On

Sets the setpoint to always

be displayed

Fan On or Off

Hides the fan display

Fan Keylock

Locks out the user from

making fan adjustments

System On or Off

Hides the system display

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

Factory Reset

Resets the unit to factory

defaults

Software Version

Displays the software

version number

RH Options

Display Options

Fan Options

Systems Options

Additional Options

Sensor

Display

Sensor

Display

Sensor

Display

Sensor

Display

dI SP

Setup

br ite

Setup

du rtn

Setup

dI SP

Setup

L OC

Setup

dI SP

Setup

L OC

Setup

LO C

Setup

rE SEt

Setup

SI On

Setup

(blank)

Setup

offset

tE St

Setup

dA rA

Setup

te nth

Setup

(blank)

Setup setpoint

rA ngE

Setup setpoint

Lo C

Setup

dA rA

Setup setpoint

dI SP

Setup setpoint

Sensor

Display

SELECT

** 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

I0000621 Rev 6 www.workaci.com 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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