STT40 / STT70
3.1. Initial Operation
Check whether the inlet of the drying hopper is closed by a lid or whether a conveyor unit (optional) is installed.
If not, manufacture a suitable lid and install it on the inlet of the drying hopper or install the optional conveyor unit.
)Attachments which are not supplied by Sterling must be manufactured according to the European Standard 294 safety regulation.
Check whether the coolant circuit of the return air cooler (if a return air cooler is installed) is turned on.
3.1.1. Switching on the Dryer
1. Turn on the dryers’ main power switch.
The “run” signal lamp lights up.
2.For operation with timer clock (optional): Turn the “Timer” switch to the ON position:
For operation without timer clock:
Turn the “Timer” switch to the ON position:
The blower is running.
)If the dryer has not been used for several months it must be run for 2 hours without material.
Start up
