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SF-104SN mini intelligent temperature controller for self-diagnosis electrothermal defrosting
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SF-104SN mini intelligent temperature controller for self-diagnosis electrothermal defrosting

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Description
"

Features
Mini-sized and split type intelligent control and applicable to the compressor of one HP. (Include 1HP)
Temperature Display/ Temperature Control/
Manual, automatic electric heat defrost /Evap. Fan ControlTime.,
Temp. Setting to end defrost/
Value Storing/Parameter Locking/ Self  Testing

Technical Data
Temperature sensor: NTC , double sensors (for cold room temp.&defrost control),
2m(L)(Neither positive nor negative)
Range of temperature displayed : -45~66℃ (-45~150℉)
Accuracy: ±1℃(±2℉)
Range of set temperature: -45~45℃ (-45~120℉)
Factory default : 00℃(32℉)
Dimension:77(Length)×35(Width)×30(Depth)mm
Mounting hole dimension:71(Length)×29(Width)mm
Relay box: 106(Length)×96(Width)×46(Depth)mm
Output contact capacity:
Compressor: N. O. 30A/250VAC
(can connect 1HP compressor, if more it needs to connect can AC contactor)
Defrost: N. O. 10A/250VAC
(can connect 1KW load,  if more it needs to connect can AC contactor)
Evap. Fan:  N. O. 10A/250VAC

Paramete

Paramete Function Set range Default
E1 Lower set point limit
-45℃
-45℉  ~set temp.
-35℃
-31℉
E2 Higher set point limit
Set temp.~45℃
           120℉
20℃
68℉
E3 Temp. Hysteresis
01~20℃
01~36℉
04℃
07℉
E4 Comp. Start delay 00~10min 02min
E5 Offset on room temp.
-20~20℃
-20~20℉
00℃
00℉
E6 Offset on evap. Temp.
-20~20℃
-20~20℉
00℃
00℉
F1 Max. Defrost duration 01~60min 20 min
F2 Defrost interval time 00~24hr 06hr
F3 Defrost termination temp.
00~40℃
32~68℉
08℃
46℉
F4 Display during defrost
00=Normal display
01 = Last value 
      before  defrost
01
F5 Fan control
00=synchronized with comp.
01=keep working(except when defrost)
01
C1 Temperature unit
℃= Celsius
℉=Fahrenheit
"
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