8
Operation
BEFORE USE
Ensure the unit is upright and positioned in its location for 12 hours prior to use.
Plug the refrigerator in a 110V~ socket exclusively for the unit. After the refrigerator is running, test the air
suction to confirm it is sufficiently cold. Then you may put food inside the unit. Make sure the food product is
already cooled before placing it in the display case. The unit should not be used to cool food products.
DIGITAL TEMPERATURE CONTROLLER
The digital temperature controller is easy to operate and controls the compressor.
•
The main functions are: Temperature display, manual control, automatic defrost, light control, value storing,
self-testing and parameter locking.
Digital Controller Operation:
1. Press and display
ON
, parameter unlock.
2. Press
SET
button and hold until display
0
, and then press or to set lower limit of the temperature.
Usually set
0
=2.
3.
Press
SET
button and hold until display
1
, and then press or to set upper limit of the temperature.
Usually set
1
=6 or 8.
4. Press
SET
button and hold until display
2
, and then press or to set temperature difference. Usually set
2
=4.
5.
Press
SET
button and hold until display
3
, and then press or to set the delay time for compressor
starting work. The scale would be 0-5 minutes. Usually set
3
=3.
6. Press
SET
button and hold until display
4
, and then press or to adjust the temperature of cold-room
probe. The scale would be from -5°C to 5°C.
7.
Press
SET
button and hold until display
5
, and then press or to adjust the temperature of defrost
probe. The scale would be from -5°C to 5°C.
8.
Press
SET
button and hold until display
6
, and then press or to set defrost time. The scale would be
10-30 minutes. Usually set
6
=25.
9.
Press
SET
button and hold until display
7
, and then press or to set the interval of defrost. The scale
would be 4-8 hours. Usually set
7
=6.
10. Press
SET
button and hold until display
8
, and then press or to set the temperature of start working.
The scale would be 0-20°C. Usually set
8
=20°C.
11. Press
SET
button and hold until display
9
, If set
9
as
01
, the room temperature is locked during defrost,
and the last value before defrost is displayed. When defrost ends, normal display will be resumed after 20
minutes delay of room temperature display. The defrost display will flash during the delay.
12. Press
SET
button and hold until display
A
, it is temperature unit. Set
00
as Celsius scale, set
1
as
Fahrenheit.
13.
Press the light switch, light is on, press again, light is off.
14. Refrigeration indicator light: The light is on when refrigeration, the light is off when the cold room
temperature is constant, the light will flash when there is a delay start.
15. Defrost indicator light: The light is on when defrosting, the light will flash when there is a delay display
defrost.
16. Irregular working mode:
HH1
is displayed if the control probe short circuits or a high temperature (>80°F) is