STT40 / STT70
2.2. For the safety of the device
Never change settings without carefully assessing the consequences.
Use only original Sterling spare parts.
Observe the maintenance instructions.
Keep a record of all maintenance work and repairs.
Please note that electronic components can be damaged by static discharge.
Before initial operation and at regular intervals, make sure that no electrical connections are loose.
Never readjust sensors without exactly knowing their functions.
Please ensure that the storage temperature is between 32 to +131 °F (0 and +55 °C). Please ensure that the operation temperature is between 32 to +113 °F (0 and +45 °C).
Check the rotation direction of the blowers after the electrical connections have been made (see rotational direction arrow).
Clean the drying hoppers before filling them for the first time.
Follow the material manufacturers’ instructions for maximum drying temperature. Follow the material manufacturers’ drying instructions.
Ensure that the drying hoppers are always completely filled and that the retention period is respected if material is continually being removed.
Note that if too much material is taken from the drying hopper, it will lead to insufficient drying of the material.
Close the air stop valves of the drying hoppers which are empty or have not been used. Write down all data which you have entered into the control system.
The password is to be given to authorized personnel only.
Please note that the temperature of the dryer heating system must always be set lower than that of the supplementary heaters.
When you dispose of drying agents, observe all official rules and guidelines.
Note that drying cells should be replaced or refilled only by Sterling if they are empty.
When no material is continuously fed into the drying hopper (batch drying) and is continuously removed, the material level must not fall below 40% in the drying hopper. Close the throttle valves.
Read the operating manuals of any machines connected to this dryer.
Safety instructions
