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SF-104T miniature manual defrosting intelligent temperature controller
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SF-104T miniature manual defrosting intelligent temperature controller

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Description
"

Features
Mini-sized and integrated intelligent control and applicable to the compressor of one HP. (Include 1HP)
Temperature Display/ Temperature Control/ Manual, automatic defrost /Evap. Fan Control/
Electric heat, hot gas defrost/ Time, temp setting to end defrost/
High, low temperature alarm/Value StoringSelf  Testing

Technical Data
Temperature sensor: NTC, Double sensors(for cold room temp.&defrost control), 2m(L)
Range of temperature displayed : —45~45℃ (-45~120℉)
Accuracy: ±1℃(±2℉)
Range of set temperature: —45~45℃ (-40~120℉)
Factory default : 0℃(32℉)
Output contact capacity:
Compressor:  N. O. 30A/250VAC
(applicable to 1 HP compressor, if more it needs to connect an AC contactor)
Defrost: N.O.10A/250VAC  (applicable to 1KW load, if more it needs to connect AC contactor)
Evap. Fan: N. O. 5A/250VAC

Paramete

Paramete Function Set range Default
E1 Lower set point limit range 
-40℉
-45℃~Set temp.
-31℉
-35℃
E2 Higher set point limit range
120℉
  45℃~Set temp.
68℉
20℃
E3 Temp. hysteresis
1~18 ℉
1~10℃
7 ℉
4℃
E4 Comp. Start delay time 0~10min 2 Min
E5 Offset on room temp. -5~5 ℉/℃ 0
E6 Offset on evap. Temp. -5~5 ℉/℃ 0
F0 Defrost  type
0=Electric  heat
1=Hot  gas
0
F1 Max. Defrost duration 1~60 min 20 Min
F2 Defrost interval time 0~24hr 6hr
F3 Defrost termination temp.
32~68 ℉
 0~20℃
46℉
 8℃
F4 Display during defrost
0=Normal display
1 = Last value 
before  defrost
0
F5 Fan control
0=Parallel with comp.
1 = Continuous running 
 (except when defrost)
0
C1 Temperature unit
0=Celsius      
1=Fahrenheit
0
C2 High temperature alarm
0=Celsius      
1=Fahrenheit
20
C3 Low temperature alarm
-40~0℃/℉(relative
to set temp. Set value)
-20
C4 Alarm delay time 1~90 Min 60 Min
"
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