Dwyer TS2 User Manual

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Series TS2 Digital Temperature Switch

250 VAC 16A 30 LRA

Power

Supply

OUTPUT

Probe Input

Specifications - Installation and Operating Instructions

ulletin T-TS2

DESCRIPTION

Monitor and control temperature for heating and cooling applications with the Series TS2 Digital Temperature Switch. The Series TS2 offers twelve programmable functions to customize the unit to fit application requirements. Use the 16 Amp SPDT relay output to drive a motor, compressor, or fan. Designed with the OEM in mind, the TS2 offers the ability to configure multiple units with the touch of a button.

Programming multiple units is quick and easy. Simply program one switch with the desired parameter settings and connect the configuration key (sold separately) to the back of the unit. Press the button on the configuration key and download the parameter settings. Connect the key to the other switches to upload the stored settings with the push of a button.

The TS2 features set point adjustments, static defrost timing, compressor mean time, hysteresis, and ambient probe adjustment. Security protection is offered using a password code. The Series TS2 Digital Temperature Switches are designed to operate with PTC (1000Ω @ 25°C) probes sold separately.

INSTALLATION

The thermostat must be installed by authorized professionals. It should be located in a place free of vibrations, impacts, water and corrosive gases.

A hole measuring 71 x 29 mm must be cut in the panel where the thermostat is to be fitted (apply silicone to make it leaktight). Then, the fixing cups must be fitted, sliding them onto the thermostat until secure. Do not force tightening of the screw if the U-brackets are used. The connections must be covered with the rear cover for this.

WIRING INSTRUCTIONS

Avoid installing the probe’s cables in proximity with any power cable. If the length of the probe cables measures more than 100 meters, a recalibration adjustment must be made (parameter P1).

SPECIFICATIONS Probe Range: -58 to 302°F (-50° to 150°C). Input: PTC thermistor 1000Ω @ 25°C. Output: SPDT relay rated 16A @ 240 VAC resistive. Horsepower Rating (HP): 1 HP. Control Type: ON/OFF. Power Requirements: 115 VAC, 230 VAC, 12 VAC/VDC or 24 VAC/VDC

(depending on model).

Accuracy: ±1°C. Display: 3-digit, Red, 1/2˝ digits. Resolution: ±1 digit. Memory Backup: Nonvolatile memory. Ambient Operating Temperature: 14 to 158°F (-10 to 70°C). Storage Temperature: -4 to 176°F (-20° to 80°C). Weight: 2.3 oz (65 g). Agency Approvals: CE,cURus.

FRONT OPERATION PUSH BUTTONS

Pushing SET once gives access to the SP. Pushing for 8 seconds gives way to the requested code. After entering the correct code, all parameters are accessible. This button alternates between text parameters and their value. It validates the modified parameters. When pressed with DOWN, it exits parameter programming.

Pressing this arrow allows the user to go to the next parameter or increase the value viewed on the display. When pressed for 8 seconds, it activates or deactivates defrosting.

Pressing this arrow allows the user to go to the previous parameter or decreases the value viewed on the display. When pressed for 8 seconds, it activates or deactivates the continuous cooling cycle. When pressed simultaneously with SET, it exits the programming mode.

DWYER INSTRUMENTS, INC.

P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A. Fax: 219/872-9057 e-mail: info@dwyermail.com

Phone: 219/879-8000 www.dwyer-inst.com

PROGRAMMING PARAMETERS

exits

Access only to Set Point SP (without code protection):

• Press and release SET. SP text appears on the display.

• Press SET again. The real value is shown on the display.

• Modify the value using the UP and DOWN keys.

• Press SET to store the new SP value.

• Press SET and DOWN to quit programming, or wait 1 minute for the controller to TIMEOUT.

Access to all parameters (code protected):

• Press SET for 8 seconds. The access code value 00 is shown on the display.

• Using the UP and DOWN buttons, select the code (factory-set code is

00).

• Press SET to enter the code. If it is correct, the first parameter label will be shown on the display (SP).

• Move to the desired parameter with the UP and DOWN keys.

• Press SET to see the value.

• Modify the value with the UP and DOWN keys.

• Press SET to enter it, and exit to next parameter.

• Press SET and DOWN to quit programming, or wait 1 minute for the controller to TIMEOUT.

SETTING THE KEYBOARD CODE TO ZERO

PARAMETERS

PARAMETER DESCRIPTIONS SP = Set Point. Temperature wished to regulate the machine. Can vary

from r1 to r2.

r0 = Differential

For heating control if temperature is > SP then output is OFF. When the temperature drops to <SP - r0 the output is ON.

For cooling control if temperature is < SP then output is OFF. When the

temperature increases to > SP + r0 the output is ON.

r1 = Lower Set Point Limit r2 = Higher Set Point Limit d0 = Heat or Cooling Control. Ht = heating control, Co = cooling control. d2 = Defrosting Time Remaining, in minutes. If d2 = 0, defrosting will not

start.

d8 = Interval Between Two Defrostings, in hours. c0 = Minimum time for compressor to be OFF. Minimum time from

when the compressor stops till it connects again. c1 = Continuous Cycle Time. The remaining time for a continuous cold cycle.

c2 = ON time of fault cycle, during probe error. c3 = OFF time of fault cycle, during probe error. P1 = Ambient Probe Calibration. Offsets degrees to adjust the ambient

probe. P4 = Decimal Point. Display decimal point in normal operation. Always present in parameter menus.

H5 = Access Code to Parameters. Factory-set as 00. H6 = Ambient Probe Type. Sets probe type to be NTC or PTC. t0 = Temperature Display Limit. Maximum temperature shown on the

display, although the real temperature can be greater.

OPERATION IN CASE OF ERROR

If the probe or thermostat memory should fail, the compressor will be

connected for 5 minutes ON then 5 minutes OFF. The keyboard code can be set to zero by holding the SET key and turning the controller off then on again.

LED INDICATIONS

Out: This indicates that the compressor is connected. It waits the programmed minimum stop time of the compressor. Def: This indicates that defrosting is activated.

MESSAGES DISPLAY

In normal operation, the probe temperature will be shown. In case of alarm or error, the following messages will be shown:

• Er- Memory error.

• -- Short-circuited probe error.

• oo- Open probe error.

Description

Set point

Differential or hysteresis

Lower value for set point

Higher value for set point

Heating or cooling control

Time for defrosting

Interval time between defrosting

Minimum stop time for compressor

Continuous cycle time

ON time of fault cycle

OFF time of fault cycle

Ambient probe adjustment

Decimal point

Parameter access code

Ambient probe type

Maximum temperature on display

Units

degrees degrees degrees

degrees

option minutes hours minutes hours minutes minutes degrees option numeric option degrees

Range

r1 to r2 1 to 20°

-50 to 150°C

-58 to 302°F

-50 to 150°C

-58 to 302°F Ht/Co 0 to 59´ 0 to 24 0 to 59´ 0 to 24 0 to 999 0 to 999

-10° to 10° yes/no 0 to 255 ptc/ntc

-50 to 150°C

-58 to 302°F

MAINTENANCE

CLEANING

Clean the surface of the display controller with a soft, damp cloth. Never

use abrasive detergents, petrol, alcohol or solvents.

REPAIRS

After final installation of the TS Series Digital Temperature Switch, no

routine maintenance is required. A periodic check of system calibration is

recommended. The devices are not field repairable and should be

returned to the factory if recalibration or other service is required. After first

obtaining a Returned Goods Authorization (RGA) number, send the

material, freight prepaid, to the following address. Please include a clear

description of the problem plus any application information

available.

Dwyer Instruments,Inc. Attn: Repair Department 102 Highway 212 Michigan City, IN 46360 U.S.A

DWYER INSTRUMENTS, INC.

Phone: 219/879-8000 www.dwyer-inst.com

P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A. Fax: 219/872-9057 e-mail: info@dwyermail.com