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RAK75 / © Ensto 2018
7. Technical Data
Voltage
230 V AC +/-10 % ~50 Hz
Break-off capacity
3680 W / 16 A / 230 V AC
Power consumption
2.5 W
Application range
-20 °C ... +170 °C, divided into two ranges
Low temperature range
-20 °C ... +75 °C, sensor type NTC
High temperature range
0 °C ... +170 °C, sensor type PTC
Connection cable
2,5 mm
2
Power factor
cos φ = 1
Hysteresis
Adju0,3 ... 10,3 ºC
Enclosure class
IP20
Reserve power operation time
50 hours
Alarm relay
2 A / 120 V AC, normally closed (NC)
Mounting
Standard DIN rail EN 50022-35
Ambient temperature
-20 °C ... +45 °C
Correlation between temperature and the NTC sensor ECOA909
-10 °C
55,3 kΩ
0 °C
32,6 kΩ
+10 °C
18,0 kΩ
+20 °C
12,1 kΩ
+25 °C
10,0 kΩ
8. Maintenance
Inspect the thermostat regularly so that you notice possible alarm messages within a reasonable amount
of time.
9. Warranty
The warranty period of Ensto ECO920 is 2 years from the date of purchase but no longer than 3 years from
the date of manufacture. Warranty conditions, see
www.ensto.com
.
10. Environmental Aspects
The product’s cardboard packing is suitable for recycling.
When a heating system is at the end of the life cycle the cables, conduits and electronic components
must be disposed of properly according to local recycling guidelines.
