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Specifications
Temperature display, temperature controlling(refrigeration/heat mode),compressor start delay protection,Temperature Controller E30
Temperature display, temperature controlling(refrigeration/heat mode),compressor start delay protection, it can run periodically with the on-off rate when the temperature sensor is broken. 2 defrost modes (electric heat, hot gas), 3 defrost start mode (time alternation, accumulative compressor running time, real time clock), 2 defrost end mode (timing, controlled by both temperature and time), dripping, manual defrost, 7 fan running modes(fan ahead or delay start, delay stop, temperature controlling start and stop, time controlling start and stop, always on, always off, run or stop when defrosting), sensor error alarm, one external alarm input, password, real time clock, C/F unit change.
Technique Index
1,Temperature display range: -50~150°C(The resolution is 0.1°C)
-58~302°F(The resolution is 0.1F)
2,Power supply: AC 220V±10% or AC 380V±10% 50Hz (Refer to the wiring diagram)
3,Operating environment: temperature -30°C~80°C, humidity≤85%
4,Relay contact capability: 8A/250VAC (pure resistive load)
5,Temperature sensor: NTC R25=5kΩ, B (25/50) =3470K
Operating Guide
1, Meaning of the index lights on the panel
Index light |
Name |
Light |
Flash |
|
Temp setting |
In the state of temp setting |
- |
|
Refrigeration |
Refrigerating |
Ready to refrigerate, in the state of compressor start delay protection |
|
Heat |
Heating |
Ready to heat, in the state of compressor start delay protection |
|
Defrost |
Defrosting |
Dripping or the state of compressor start delay protection |
|
Fan |
Fan running |
- |
|
Alarm |
- |
Alarm state |
2,Meaning of the LED display
The LED usually shows temperature, if it shows “SHr”, it means the temperature sensor is short, and “OPE” means the temperature sensor is open. The temperature and the alarm code (Axx) will show alternately when in the alarm state. The code is showing below:
Code |
Meaning |
Explanation |
A11 |
External alarm |
Alarm from external alarm signal, refer to the internal parameter code “F50” |
A21 |
Temperature sensor error |
Open or short(showing “OPE” or “SHr”) |
A22 |
Evaporator sensor error |
Open or short(showing “OPE” or “SHr” when press the key “6”). If you don’t need to use the evaporator sensor, you can use the F59 to close the alarm. |
A99 |
Over probation time |
If you have set the probation time F87, the alarm occurs when the accumulative running time is over probation time, and the controller can not work. |
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