Smart control board of small power refrigerated air dryer

Function:

Set

Contain 4 buttons to set.

Display

4 nixie tube LED and 6 pcs of lights.

Detect

4 channels of temperature (inlet temperature, ambient temperature, dew point, condensing temperature). Temperature detect range is 0-90°C, but dew point range is 0-10°C

Control

Control the work of compressor, drain valve and condenser motor fan based on preset value.

Work of condenser motor fan based on condensing temperature.

Alarm signal input

High pressure and low pressure.

NC or NO can be set.

Alarm output

Display 3 alarm codes, contains over temperature alarm, high pressure alarm, low pressure alarm. Output a alarm signal, and need press ‘Rest’ button to release.

Output

3 channels of output, compressor, drain valve and condenser motor fan.

Compressor start protect

Controller will take some time before start the compressor, and time is changeable.

Performance Indices: 

Type

XJK-LG11

Rating voltage

AC 220V 50Hz (Switch Power Supply)

Temperature precision

± 1°C

Alarm signal input

2 channels of switch signal (N.C.)

2 channels of switch signal (N.O.)

Output

3 channels of dry contact  (N.O.)

Parameter list:

Compensation of inlet temp.

- 9°C~9°C

Compensation of ambient temp.

- 9°C~9°C

Compensation of dew point

- 9°C~9°C

Compensation of condensing

- 9°C~9°C

Compressor start delay time

1~255 S

Drain valve off time (interval)

1~255 S

Drain valve on time (interval)

1~255 S

Condenser motor fan on temperature

37°C~41°C

Over temperature

60°C~90°C