Parameter
to set
Display
Unit
Range
Default
Remarks
refrigerating
temperature
℃
28～40 35
the starting temperature of compressor
(adjustment is not suggested)
refrigerating
temp. difference
1～9
3
the inside temperature is lower than
refrigerating temperature-difference, the
compressor is stopped.
internal fan
startup
0～35
15
the inside temperature rises over the value,
internal fan is started.
overtemperature
alarm
10-99
60
The inside temperature rises over the setpoint, it
alarms and lower than 5 celcius, the fault resets.
Factory
reset
0～1
in case the value is 1,all parameters are reset.
0
-
-
℃
℃
℃
6.4 Power on/off
In event the interior fan`s starting condition is met after powering on， the system will
automatically delay for 5~15s(random value) to activate the fan; in event the
compressor`s starting condition is met， the fan will delay for 10 s to activate the
compressor.
6.5 Self-diagnosis
Press the combined keys for Self-diagnosis during the starting countdown and the relay will
connect/disconnect to power for 30 s， then enter into the normal operation process.
Self-diagnosis sequence：
1、In the starting countdown step,press "SET"+"UP"+"DOWN" keys to get the system
selfchecking and activate the exterior fan;
2、30 s later after interior fan operation， start compressor；
3、30 s later， stop compressor and start exterior fan；
4、30 s later，stop fan，start the fault relay；
5、30 s later，stop all，quit the self-diagnosis，enter the temperature control and activate
the relative devices.
Internal fan is always on in self-diagnosis
!
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6.6 Logic control
◆ Internal circuit fan
System automatically delays 5-10s (random) to start up the internal circuit fan in case the
condition of internal fan activation can be met after electrifying;
condition of its activation： inside temperatre≥[ fan starting](defalut 15 celsius,settable);
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