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Specification and Operating Instructions

KLT11IB Temperature Digital Controller

Description

Installation

The KLT11IB is designed for heating and cooling applications. The 
probe temperature is displayed on the bright 3-digit display. The 
user is able to program different parameters including set point, 
hysteresis, alarms and probe adjustment using the silicone front 
keypad. The unit features error or alarm warning, internal buzzer 
(optional), configurable digital input and password protection. The 
KLKey input allows an easy programming of the parameters. Select 
between   temperature display in ºC or ºF, display color and 230Vac, 
115Vac,   24Vac/dc or 12Vac/dc power supplies

.

The model reference is given by: KLT11IBXYZ
Where each sufix can take the following values:

X

Display Color

R=Red, G=Green, B=Blue

Y

Supply Voltage

230=230Vac, 110=115Vac
24=24Vac/dc 12=12Vac/dc

Z

Units

C=ºC, F=ºF

• 


Clean the surface of the display controller with a soft and damp 
cloth. Never use abrasive detergents, petrol, alcohol or solvents.
All repairs must be made by authorised personnel.

Model references

NOTE: Unit must be mounted away from vibration, impacts, water 
and corrosive gases.

Cut hole in panel 71 x 29 mm (2.80 x 1.14 inches)

 Apply silicone (or rubber gasket) around the perimeter of the hole 

to prevent leakage.

 Insert unit into hole of panel.
 Slide removable fitting clips onto unit from the back until secure to 

panel.

 Wiring diagram is displayed on the top of the unit

NOTE: DO NOT INSTALL PROBE CABLE NEAR POWER 
CABLES.

Maintenance, cleaning and repair

After final installation of the unit, no routine maintenance is 
required.

Technical Data

Supply voltages

230Vac±10%,115Vac±10%,  24Vac/dc±10%, 12Vac/dc±10%

Supply powers

4VA (230V/115V) 1,5VA(24V /12V) 

±0,5% of full scale

0.1º from 
1º out of this range

Display

3-digit and sign (red, green or blue)

Digital Input

Voltage free contact

Output

SPDT Relay Resistive load 16A
1HP 240Vac -- 10FLA, 60LRA 240Vac

Dimensions

Front 77 x 36 mm  Depth  62 mm (3.03 x 1.42 x 2.44 inch)

Front Protection

IP64

Storage temperature

-20ºC to 80ºC (

-

4 to 176ºF)

Operating temperature

0ºC to 60ºC (32 to 140ºF)

Probe range

-200ºC to 600ºC (-328 to 999ºF)

Probe Input

Pt100 (0ºC - 100 Ohm)

Accuracy

Better than 

Resolution

-99.9ºC to 99.9ºC

KLKey Input

For an quick programming of  all parameters

1  2  3   4  

5   6  7  8  9

SUPPLY

POWER

OUTPUT

NC  COM   NO

Wiring Diagram

ETDT1765I_110829

E L E C T R O N I C A

E L E C T R O N I C A

 

Electrónica Keld, S.L.                                                                                 Phone: +34 976 429 099 

 Pol.Ind. Empresarium. C/Lentisco, 15

    Fax:+34 976 593 532 

 50720 - La Cartuja Baja, ZARAGOZA

 E-mail: [email protected] 

 Spain

Web: http://www.keld.es  

KLKEY

INPUTS

Pt100

DIGITAL

INPUT

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