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  • 爆款SF-128.jpg
  • SF-126(2).jpg
  • SF-126(3).jpg
  • SF-126(4).jpg
  • SF-126(5).jpg

SF-128 digital temperature controller


Product number:1033013180277547008

  • Description
  • Features of Function
     Mini-sized and integrated intelligent control, can control 1HP compressor  directly. (Include 1HP)
     Temperature Display/ Temperature Control/ Manual, automatic defrost /
     Defrost by turning off compressor/High, low temperature alarm/Value        Storing/ Self  Testing 
          
     Specifications 
     Power supply: 220V~240VAC
     Temperature sensor: NTC, one sensor(for cold room temp. control),2m(L)
     Range of temperature displayed : -45~99℃ (-49~210℉)       Accuracy: ±1℃(±2℉)
     Range of set temperature: E1~E2                  Factory default : 0.0℃(32.0℉)
     Dimension:77(Length)×35(Width)×70(Depth)mm
     Mounting hole dimension:71(Length)×29(Width)mm
     Temperature of the operating environment:-10~60℃ (14~140℉)  
     Relative Humidity:20%~90%(Non-condensing)
     Output contact capacity:
     Compressor:  N. O. 30A/250VAC  
      (Can control 1HP compressor directly, if more it needs to connect an  AC     contactor)
         

    Paramete

    Parameter

    Function

    Set  range

    Default

    E1

    Lower set point limit

    49   45 set temp.

    22

    30

     

    E2

    Higher s et point limit

    Set range122           50

    86

    30

    E3

    Temp. hysteresis

    0218

    0110

     

    09

    05

     

    E4

    Comp. Start delay time

    0010min

    2min

    E5

    Offset on room temp.

    1818

    1010

    00

    00

     

    E6

    Offset on evap. temp.

    1818

    1010

    00

    00

     

    F0

    Defrost type

    00=  electric heat

    01=  hot gas

    00

    F1

    Max.Defrost duration

    0160min

    20min

    F2

    Defrost interval time

    0024hr

    6hr

    F3

    Defrost termination temp.

    32122

    0050

    46

    08

    F4

    Display during

    defrost

    00=normal display

    01= locked display

    defrost starting

    temp.

    01

    F5

    Dripping time

    0010min

    2min

    H1

    Fan delay starting time

    0010min

    1min

    H2

    Fan control

    00=synchronized with comp.

    01=keep working

    (except when defrost

    01

    H3

    Fan control during defrost

    00=fan stop

    01=fan start

    00

    C2

    High temp.  alarm

    C3230110

    104

    40

    C3

    Low temp. Alarm

    49℉-49℉~C2

    40

    40

    C4

    Alarm delay time

    0090min

    60min

     

    Circuit diagram

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