3. Operation/ Shutdown
3
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8
3.4 Shutdown
(1) Turn off the ON/OFF switch.
(2) The operation light and temperature controller display will go out, and operation will stop.
3.5 Cautions for restart
・
Wait at least 3 minutes before starting the THERMODRYER after it has been shut down. Restarting
within 3 minutes may activate the protective circuit so the lights will go out and operation is not
possible.
・
When operation is restarted, the temperature controller will retain the set values from the time when it
was stopped immediately before restarting.
3.6 Check points before restart
Check the following points before starting operation. If any abnormailty occurs, stop operation
immediately. Turn off the ON/OFF switch and then turn off the breaker of the main power supply.
・
There is no leakage of compressed air.
・
The SV value of the temperature controller is set correctly.
・
The PV value of the temperature controller is not displaying an error, and is not an abnormal value.
・
The air pressure, temperature, flow rate and ambient temperature are within the specifications.
・
Moisture is discharged from the drain tube.
・
The pointer of the evaporating thermometer indicates the green zone.
・
The dryer is not generating any abnormal sound, vibration or smell.
3.7 Cautions for abnormal stop
The heater has the following protective devices built in.
Protection device
Purpose
Thermostat, Temperature fuse
To prevent heater from overheating
Overload relay
Over current protection and overheat protection of the refrigerating
compressor
When the protective devices are activated, the operation of the dryer will stop. If it stops, read chapter 5, and
remove the cause of the stoppage before restarting.
Caution
・
・
・
・
The protection devices are automatic return type. Please wait at least 3 minutes
after operation stops. If restarted within 3 minutes, the dryer may not operate,
or may stop again.
