深圳市优控电气有限公司
电话:0755- 29458372 83937237
传真:86 0755 23575217
地址:广东深圳市龙华新区东环一路中泰科技园1号楼
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  • 产品编号:
  • 产品名称: YK-281
  • 规格:
  • 产品备注 :

1.     Working voltage: AC220V ±10% 50HZ/60HZ

2.     Output load: 30A/250V/AC

(Can be applied directly to one compressor, over to connect AC connector)

3.     Power consumption:≤3W

4.     Working environment: -10℃~50℃,RH≤90%

5.     Display/control range: -45℃~80℃

6.     Resolution: 1℃, accurancy: ±1℃

7.     Input signal: one channel temperature meaduring sensor, 10K×2M

8.     Machine size:176(W) ×41(H) ×43(D)mm

9.     Hole size:138(W) ×32.5(D)mm

 

1.    Integrative control;

 

2.    compressor delay protection;

 

3.    Power switch;

 

4.    Memory set;

 

5.    Key lock.

 

 

 

 

 

 

 

 

 

 

 

 


Panel sketch map 

 


 

Operation

 

 

¨     Temperature control setting: press to display temperature, press or to change temperature, no press to back to temperature  library and save.

¨     Parameter setting: long press for 6 seconds, enter the program setting, displaying F1, then, press or to choose one of the menu F1-F2-F3-F4-F5-E1-E2-C1-C2-C3 and select your function.

¨     Parameter lock: long press , “ON” to lock, and “OFF” to unlock.

¨     Modify the default:  press to enter setting interface, adjust temperature value, waiting to back to display, long press entering parameter setting , long press for 6 seconds until “COP” display, save your setting value as factory setting value.

¨     Restore factory setting: press both the until it display “888”, restore successes, it will automatic-return to temperature library 6 seconds later.

¨     Turn on/off : long press  would turn on/off the controller.

When turning off, display stop, and relay switch off. if power shut down suddenly when turning off, power off protecting function will work, for which, when power on, it keeps the turning off status; when turning on,  probe temperature displayed relay works after delay time.

¨     Cooling  light: light on when cooling, light off when thermostat, light flash when compress delay.

 

 

 

Program reference table

 

 

Code

Function

Setting range

default

F1

Lower setpiont limit

-45~control temp.

-30

F2

Higher setpoint limit

Control temp~80

30

F3

Temp.hysteresis

0-15

4

F4

Comp. start delay time

0-10Min

2Min

F5

Offset on room temp.

-15~15

0

E1

Max, defrost duration

1~90Min

20Min

E2

Defrost interval time

0-24 Hr.

6Hr.

E3

Defrosting temperature

00=library temp.

01=temperature when defrost begin

00

C1

High temp. alarm value

C2~80

40

C2

Low temp. alarm value

-45~C1

-40

C3

Alarm delay time

0-90Min

0Min

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Electric connection diagram

 

 

 

 

Function

 


 

 

u  Refrigeration: if temperature≥setting temp. + hysteresis temp.,load relay switch on.

Refrigeration off: if temperature≤setting temp., load relay switch off.

 

u  Defrosting: when time reach the defrost interval time(E2), defrost begin, compressor off; when time continue to E1, defrost off, compressor on, refrigeration again.

 

u  Temperature display: lock E3=01, display the temperature when defrost begin, and lock the library temperature. Display probe temperature when defrost finished.

 

u  Low temperature alarm: if temperature of probe was less than C2, “LLL” display and alarm sound. Press any button to cancel sound, but display continue.

 

u  When the probe temperature short circuit or is greater than 80, or probe temperature open circuit or less than low temperature, “E1” display.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 



 Faults & trouble shooting

 


Faults

Check out

Solution

 

 

 

 

 

 No display when power on

Whether the power open circuit,

Check out the power work normal,

 

Whether the controller breakdown.

Change one other controller.

 

 

 

 

 

 

 

 

Improper setting temperature,

Reset the temp. value,

 

Do not work with display

Excluding circuit malfunction ,

 Rework.

 

External power line been protected.

 

 

 

 

 

 

 

 

 

 

 

Temperature unstable or fault action display

Whether the Sensor distorbed ,

Whether the power line contacted well,

Depart the sensor and power line,

Change another shield line,

 

Whether the power line tie with others, or power line be damaged.

Tighten up the end of the line connector.

 

 

 

 

 

 

 

Big measurement value

Wheth the wrong place to set the sensor, whether too much long line,

 

Set the sensor at right place, Increase the cross section of cables, make sure the lines seal and waterproof and damp proof,

Change the sensor

 

 

Whether too large resistence,whether bad contact of line,

 

 

 

 

Whether sensor damaged.

 

 

 

 

 

 

 

 

Work continue when temp. reached

Whether the wrong place to set the sensor,

Make sure sensor work well or change another sensor,

 

Whether the external contactor fault

Change another external contactor.

 

 

 

 

 

 

 

Over frequency of relay

Whether the hysteresis value too low

Set bigger hysteresis value

 

 

 

 

 

E1 display

Whether the sensor line short circuit or open circuit

Make sure the sensor line and connection are tied up.

 

 

 

 

 

 

Notes

 

1.     Please read this instruction carefully, contact the lines strictly with right connector, tied up all the screws after checked and correct, then, power on, or it will affect the use and control, even can destroy the controller and chip as worse.

2.      Try to avoid using this product at humid environment and corrosivity and high-intensity magnetic which can affect it work normal.

 

3.     All the products have been inspected strictly before leave factory, and we have one year guarantee. Taking it apart or misusing is beyond the guarantee.

 

 

Our factory product a series special digital temperature and humidity controller, any problem and question please contact the agency. Pleasure  to serve you.

 

                                           Shenzhen  U-Control Electric Co., LTD

                                                                                      www.sz-youkong.com