ELKO ep TER-4 Double Thermostat Owner’s Manual

1

2

EN  

TER-4  

ELKO EP, s.r.o.  

Palackého 493  

769 01 Holešov, Všetuly  

Czech Republic  

Double thermostat with a range of −40 .. +110 °C  

Tel.: +420 573 514 211  

e-mail: elko@elkoep.com  

www.elkoep.com  

Made in Czech Republic  

02-8/2023 Rev.: 0  

Characteristics  

Symbol  

• Used for temperature monitoring in switchboards, heating or cooling systems,  

engines, liquids, open spaces, etc.  

18  

A1  

16  

26 28  

• Double thermostat for temperature monitoring and regulation over a wide range.  

• Rough and fine temperature setting for each thermostat.  

• Galvanically isolated power supply AC/DC 24 – 240 V.  

• 2× input for temperature sensor NTC 12 k/25 °C.  

T1  

T1  

T2  

T2  

• Setting the independent or dependent function of thermostats.  

• Selection of heating/cooling function.  

A2  

15  

25  

• Selectable hysteresis (sensitivity) of switching.  

• Two output contacts (separate for each thermostat).  

Connection  

1.  

sensor sensor  

2.  

Un  

A1 A2 T1 T1 T2 T2  

Description  

1. Supply voltage indication  

13  

12  

2. Thermostat contact indication /  

sensor failure (T1)  

5

16 15 18 28 25 26  

3. Sensor fault indication  

1

4. Thermostat contact indication /  

sensor failure (T2)  

Temperature sensors  

6

2

3

4

5. DIP switch  

7

8

9

6. Fine temperature setting (T1)  

7. Rough temperature setting (T1)  

8. Fine temperature setting (T2)  

9. Rough temperature setting (T2)  

10. Output contact 1 (16-15-18)  

11. Output contact 2 (28-25-26)  

12. Supply voltage terminals (A1-A2)  

13. Sensor connection terminals (T1/ T2)  

Temperature sensors for range –20 .. +80 °C (–4 °F .. 176 °F)  

TC-0 sensor, 10 cm (3.94´), double insulation, polyamide cable end  

TC-3 sensor, 3 m (118.11´), double insulation, polyamide cable end  

TC-6 sensor, 6 m (236.22´), double insulation, polyamide cable end  

TC-12 sensor, 12 m (472.44´), double insulation, polyamide cable end  

11  

10  

Temperature sensors for range –40 .. +125 °C (-40 °F .. 257 °F)  

TZ-0 sensor, 11 cm (4.34´), double silicone insulation, stainless steel cable end  

TZ-3 sensor, 3 m (118.11´), double insulation silicone, stainless steel cable end  

TZ-6 sensor, 6 m (236.22´), double insulation silicone, stainless steel cable end  

TZ-12 sensor, 12 m (472.44´), double insulation silicone, stainless steel cable end  

Description of DIP switch  

Independent/dependent  

function of thermostats  

Function IND  

Function Heat  

DEP  

Cool  

2.5  

Heating/cooling function  

Hysteresis of thermostat T1  

Hysteresis of thermostat T2  

Hysteresis 1 0.5  

Hysteresis 2 0.5  

2.5  

HAL.230V  

M

M

Type of load  

cos φ ≥ 0.95  

AC5a  

uncompensated  

AC5a  

compensated  

AC1  

AC2  

AC3  

AC5b  

800W  

AC6a  

x

AC7b  

AC12  

Contact material  

AgNi, 16A  

x

250V / 16A  

250V / 5A  

250V / 3A  

230V / 3A (690VA)  

250V / 3A  

250V / 10A  

M

M

K

Type of load  

DC3  

AC13  

AC14  

AC15  

DC1  

DC5  

DC12  

DC13  

DC14  

Contact material  

AgNi, 16A  

24V / 6A  

250V / 6A  

250V / 6A  

250V / 6A  

24V / 16A  

24V / 4A  

24V / 16A  

24V / 2A  

24V / 2A  

1 / 2  

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Name	ELKO ep TER-4 Double Thermostat Owner’s Manual
Make	ELKO ep
Language	English
Filetype	PDF (Download)
File size	0.63 MB

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ELKO ep TER-4 Double Thermostat Owner’s Manual Overview

Summary of Contents

• Page 1: Double thermostat with a range of −40 .. +110 °C Used for temperature monitoring in switchboards, heating or cooling systems, engines, liquids, open spaces, etc. Double thermostat for temperature monitoring and regulation over a wide range. Rough and fine temperature setting for each thermostat. Galvanically isolated power supply AC/DC 24 – 240 V. 2× input for temperature sensor NTC 12 k/25 °C. Setting the independent or dependent function of thermostats. Selection of heating/cooling function. Selectable hysteresis (sensitivity) of switching. Two output contacts (separate for each thermostat).
• Page 2: Technical parameters Each thermostat has its own sensor, rough and fine temperature setting, selectable hysteresis, and its separated output contact. The desired temperature is set as the sum value of the selected rough and fine temperature setting. The device monitors the fault state of each sensor (short circuit or interruption) - if a sensor malfunction occurs, the yellow LED lights up and the corresponding red LED flashes. The device can also be operated as a simple thermostat (with one sensor). Independent function of thermostats: The device acts as two separate simple thermostats. Dependent function of thermostats: Thermostats are connected in series - i.e., thermostat T1 is blocked by thermostat T2. This device is constructed for connection in 1-phase network AC/DC 24 – 240 V and must be installed according to norms valid in the state of an application. Installation, connection, setting, and servicing must be carried out by qualified electrician staff only. Ensure correct installation by perfect air circulation so that during continuous operation and a higher ambient temperature, the device does not exceed the maximum allowed operating temperature. The product must be treated as electronic waste at the end of its life.