Instruction Manual
12 
Table of Parameters and Factory Settings 
Parameter 
Function 
Set Range 
Default 
Parameter 
Function 
Set Range 
Default 
Set 
Setpoint 
4.0°C 
For glass door models 
5.0°C 
For solid door models 
C3H 
Product 
Temp. High 
Temp. Alarm 
-19.9~20.0°C / -
3.8~68.0°F 
8.0°°C / 
46.4°F 
PAS 
Password 
00~99 
15 
C3L 
Product 
Temp. Low 
Temp. Alarm 
-19.9~20.0°C / -
3.8~68.0°F 
2.0°C / 
3.6°F 
E1 
Lowest set 
point limit 
-19.9°C / 3.8°F ~ set 
temp. 
2.0°C / 35.6°F 
C4 
Hysteresis 
Alarm 
0.1~20.0°C / 
1.8~36.0°F 
0.1°C / 
0.18°F 
E2 
Higher set 
point limit 
20.0°C / 68.0°F ~set 
temp. 
10.0°C / 50°F 
C5 
Start-up 
Temp. Alarm 
delay 
00~99 min 
60 min 
E3 
Temp. 
Hysteresis 
0.1~20.0°C / 
0.2~36.0°F 
2.0°C / 3.6°F 
C6 
Temp. Alarm 
Delay 
00~99 min 
3 min 
E40 
Turning On 
delay time 
00 ~10 min. 
3 min. 
C7 
Power Off 
relay Alarm 
00=do not alarm / 
01= alarm 
01 
E41 
Comp. start 
delay time 
00 ~10 min. 
3 min. 
C8 
Alarm relay 
close after, 
muffle alarm 
relay switch 
00=open / 
01=close 
00 
E5 
Offset on Air 
Temperature 
-10.0~10.0°C / -
18.0~18.0°F 
1.0°C / 1.8°F 
For 1 and 3 cu. Ft. 
models 
2.0°C / 3.6°F 
For 6, 8, 12 and 15 cu. 
Ft. models 
C9 
Restart time 
after buzzer 
mute 
00=do not start / 
01 ~30 min=restart 
time 
10 min 
E6 
Offset on 
Product 
Temp. 
-10.0~10.0°C / -
18.0~18.0°F 
0.0°C / 32°F 
C10 
Comp. 
Force stop 
time 
01~99 min 
99 min 










