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Stand Cover Panel
Model: SF-I02 Digital Temperature Controller
Refrigeration LED Defrollt LED
Features of Function
• It is a mini-sized and integrated intelligent controller and applicable to the compressor of one HP.
• Main functions: Temperature Display/ Temperature Control/ Manual, automatic defrost by
turning off compressor / Light Control Value Storing/ Self Testing /Parameter Locking'
Specifications
l. Output of the outside sealed transformer: 12VAC(one transformer matched with one temp. controller)
2. Temperature sensor: NTC, doublc sensors (for cold-room temp.& defrost control),2m(L)
3. Rangeoftemperaturedisplay:-45~+150'C (-45-+150r); Accuracy:±I'C
(±2r)
4. Range of set temperature: -45~+45'C (-45-+ 113r); Factory default :O'C
(32r)
5. Dimension:77(Length) X 35(Width) X 60(Depth)mm
Mounting hole dimension:71 (Length) X 29(Width)mm
6. Temperature of the operating environment:-10~60'C (14~ 140r);
Relative Humidity:20%-90%(Non-condensing)
7. Relay output contact capacity
• Compressor: N.O. 20A/250VAC
(applicable to one HP Compressor, ifmore it needs to connect an toAC contactor)
• Light: N.O. 5A/250VAC
Front Panel Operation
I . Set temperature
• Press ~ button, the set temperature is displayed.
• Press ~ or ~ button to modify and store the displayed value. Press ~ button to exit the adjustment
and display the cold-room temperature.
• Ifno more button is pressed within 10 seconds, the cold-room temperature will be displayed.
2. Light: Press ~ button, it lights; Press again, it stops.
3. Manual start/stop defrost: Press ~ button and hold for 6 seconds to defrost or stop defrost.
4. 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.
5. Refrigeration LED: During refrigeration, the LED is on; When the cold room temp. is constant, the LED
is off; During the delay, the LED flashes.
6. 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.
7. Parameter setup
• Press ~ button for 6 seconds to enter parameter setting, at the same time "PAS" will be displayed and
flash; press ~or ~ to enter a tens digit and press ~ button to confirm;and then press ~ or ~ to enter
a single digit and press ~ button to confirm. Ifit is correct, parameter code EI will be displayed (when
it is set to 00, the password will be cancelled).
• Press again~button to select sequentially from the parameters: E2,E3,E4,E5,E6,Fl ,F2,F3,F4,CI.
• Press ~ or ~ button, the value of parameter will be displayed and can be modified and stored.
• Ifno more button is pressed within 10 seconds, it will return to normal operation mode.
Parameter
Function Set range Default
Parameter
Function Set range Default
PAS
assword
00-99
E6 Offset on evap. Temp. -20-20 "C 0
36-36'F
EI Lower setpoint limit 4S"C-Settemp
22C
-4SF .
-8'F FI Max. Defrost duration 1-60Min 20Min
E2 Higb~r setpoint limit 4S"C 10"C F2
Defrost interval time
0-24Hr 4Hr
Settemp'-113'F
SOF
F3 Defrost termination temp.
0-4SC
8"C
l-lO"C S"C 32-113'F 46'F
E3 Temp. hysteresis
1
18 'F 9'F O-Normal display
E4 Camp. start delay time O-IOMia 2Mia F4 Display during defrost I
=
Last value 0
20-20"C before defrost
ES Offset on room temp. -36-36'F 0CI Temperature unit Celsius= C Fahr.= F 'C
