CAL CONTROLS

CAL - EDT1411, EDT1423 chiller & defrost thermostats

OBSOLETE use EDT2411, EDT2412, EDT2423

Product description

Click here to go to EDT2411, EDT2412, EDT 2432

This cooling thermostat is mainly used to control the temperature in a refrigerator or freezer. There are two types, a basic version with defrosting timer, to a more advanced, EDT1423. This has inputs for two sensors which are placed in the condenser and by the defrosting element, and three outputs to the compressor, fan and defrosting element.

Technical data

Supply voltage	see each order number and the table below
Internal consumption	Max. 7 VA
Memory	10 years without supply voltage (EEPROM)
Control type	On/off control with adjustable hysteresis
Hysteresis	Adjustable 1-20 °C
Display	14 mm high, yellow digits
Degree of protection	IP65 at front, IP20 at rear
Operating temperature/Storage temperature	0 °C - 50 °C/-25 °C to +70 °C (non condensing, non ice forming)
Enclosure	Self-extinguishing plastic
Connection	Screw terminal, 2.5 mm²
CE/EMC	EN 61326-1: 1997, A1: 1998, A2: 2001 (compliance with function criteria B for EMC tests)
Safety directive	EN 61010-1: 2001

Specific data
Series:	EDT1411	EDT1423
Supply voltage	12/24 V AC/DC, 230 V AC	12/24 V AC/DC 230 V AC
Accuracy	±1 °C	±1 °C
Display resolution	0.1 °	1 °
No. of digits	4	4
Sensor type / temp. range	NTC, -50 °C to +110 °C	PTC / NTC, -50 °C to +150 °C (NTC, -50 °C to +110 °C)
Inputs	1	2
Outputs	One switching, 250 V AC, 8 A (res) (Option: 16 A making)	One switching, 250 V AC, 8 A (res) and 2 making, 250 V AC, 8 A (res)
Buzzer (sensor error/alarm)	No	Yes
Weight	250 g	350 g

Dimensions

Dimensions.

Connection

Connection.

The connection shows EDT1423 with three outputs and two inputs.

Order number

Order no. (not normally stocked)	Description	Supply voltage
EDT1411NTC230	Digital cooling/defrosting thermostat, NTC, 230 V AC	230 V AC
EDT1423NTC230	Cooling thermostat, 2xNTC-sensor, three relay outputs	230 V AC