Product Description

Temperature controller KT-520

Function: 
Temperature measuring and Control / Automatic defrost by electric heater or hot gas,
Light Control, Electric heater defog/ High and Low temperature alarm, Self Testing /Parameter Locking  

Technical Parameter:
1. Power Supply: Output transformer 12VAC
2. Temperature sensor: NTC, two sensors, 2m (L)
3. Temp. measuring range: -45℃ ~ 150℃    Accuracy: ±1℃
4. Temp. controlling range: -45℃ ~ 50℃      Default : -18℃
5. Dimension: 142(L) × 38(W) × 35(D),   Mounting Size: 137(L) × 31.5(W) mm
6. Operating environment: Temp: -10℃ ~ 60℃;  Relative Humidity: 20%~90%(No condensing)
7. Relay output contact capacity:
    Compressor: 30A/250VAC
    Defog: 10A/250VAC
    Evap. Fan: 5A/250VAC
    Llight: 5A/250VAC
    Defrost heater: 10A/250VAC

Menu:

Parameter	Function	Set range	Default
E1	Lower set-point limit	-45℃~Set temp.	-30℃
E2	Higher set-point limit	Set temp.~50℃	30℃
E3	Temp.Return Difference	1~10℃	4℃
E4	Comp.start delay time	0~10Min	2Min
E5	Room Temp. Calibration	-10~10℃	0
E6	Evap.Temp. Calibration	-10~10℃	0
F0	Defrost Mode	0=Electric heater  1=Hot gas	0
F1	Defrost Time	1~60Min	20Min
F2	Defrost Cycle	0~24Hr	6Hr
F3	Defrost termination temp.	0~50~0℃	8℃
F4	Display during defrost	0=Normal display 1=Last value before defrost	0
F5	Dripping time after defrost	0~10Min	2Min
H1	Fan start delay time	0~10Min	1Min
H2	Fan operating function	0=Parallel with comp. 1=Continuous running except defrost	0
H3	Fan control during defrosting.	0=always OFF  1=always ON	0
C2	High temperature alarm	C3~130℃	40℃
C3	Low temperature alarm	-45℃~C2	-40℃
C4	Alarm time delay	1~90~1Min	60Min

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