User Manual

7. The factory default resumption: press button for 1 second and then press button simultaneously
for 6 seconds, the indicator flashes , all parameters will be resumed as same as factory defaults. After
10 seconds, it returns to the normal operation.
Dimension:77(Length) 35(Width) 60(Depth)mm
Mounting hole dimension:71(Length) 29(Width)mm
× ×
×
Model: SF-104 Digital Temperature Controller
0 20
32 68
～
℃
～ ℉
8
46
℃
℉
45
120
℃
℉
20
68
℃
℉
1 10
1 18
～
℃
～ ℉
4
7
℃
℉
－ ～
℃ ／
5 5 ℉
－ ～ ℃ ／5 5 ℉
0= 1=℃ ℉
0
0
0
1 60Min～
0 24Hr～
20Min
6Hr
0
0
F1
F2
F3
F4
F5
Parameter
Parameter
～Set temp.
Set ～temp.
0 10Min～
2Min
E1
E2
E3
E4
E5
E6
0=Normal display
1 = Last value
before defrost
0=Parallel with comp.
1 = Continuous running
except defrost
Function
Function
Set range
Set range
Default
Default
Lower setpoint limit
Higher setpoint limit
Temp. Hysteresis
Comp.start delay time
Offset on room temp.
Offset on evap. Temp.
Max. Defrost duration
Defrost interval time
Defrost termination temp.
Display during defrost
Fan operating function
Temperature unit
C1
45
40
－
℃
－ ℉
35
31
－
℃
－ ℉
Front Panel Operation
1 . Set temperature (compressor stop temperature) adjustement
Press button, the set temperature is displayed.
P o modify and store the displayed value , Press button to exit the
and display the cold room temperature.
If no more button is pressed within 10 seconds, the cold room temperature will be displayed.
(Set temperature adjustment range: parameter E1 E2)
2. Manual start/stop defrost: Press button and hold for 6 seconds to defrost or stop defrost.
3. Display the evap. Temperature : Press button and hold for 6 seconds, the evap. Temp. is displayed.,
after 10 seconds the cold room temp. is resumed to be displayed.
4. Refrigeration LED: During refrigeration, the LED is on; When the cold room temp. is constant, the LED
is off; During the delay start, the LED flashes.
5. Defrost LED: during defrosting, the LED is on; When it stops defrosting, the LED is off. During the
delay display of defrost, the LED flashes.
6. Parameter setup
Press button and hold for 6 seconds to enter the parameter setup mode while E1 flashes.
Press again button to select sequentially from the parameters : E1,E2,E3,E4,E5,E6,F1,F2~F5,C1.
Press or button, the value of parameter will be displayed and can be modified and stored.
If no more button is pressed within 10 seconds, the cold room temperature will be displayed.
ress or button t adjustment
~
Features of Function
Mini-sized and integrated intelligent control and applicable to the compressor of one HP.
Temperature Display/ Temperature Control/ Manual, automatic defrost by electric heater
/Evap. Fan Control/ Value Storing/ Self Testing /Parameter Locking
Specifications
1. Output of the outside sealed transformer:AC12V(one transformer matched with one temp. controller)
2. Temperature sensor: NTC, Double sensors(for cold room temp.&defrost control),2m(L)
3. Range of temperature displayed : 45 45 (
45 45 (
(14
— ～ ℃
— ～ ℃
— ～ ℃
± ℃
℃
1
－ ℉ ± ℉
－ ℉ ± ℉
℉
40~120 ) Accuracy: ( 2 )
4. Range of set temperature: 40~120 ) Factory default : 0 ( 32 )
5. Temperature of the operating environment: 10 60 ~140 )
Relative Humidity:20%~90%(Non-condensing)
6. Output contact capacity:
Compressor: N.O. 20A/250VAC (applicable to 1 HP compressor, if more connected to AC contactor)
Defrost: N.O.10A/250VAC (applicable to 1KW load, if more connected to AC contactor)
Evap. Fan: N.O. 5A/250VAC