①
: When communication method is set “computer”, network control between computer and controllers can
be achieved
②
: When communication method is set “interlocking”, network control between controllers can be achieved,
but the main air compressor only can service as 1# compressor.
6、 Temperature control of fan
When exhausting temperature is higher than fan’s starting temperature, fan operates; when exhausting
temperature is lower than fan’s stopping temperature, fan stops operation.
7、 Failure shutdown and emergency shutdown
When electrical failure or high exhausting temperature appears during process of operation, the
controller stops motor’s operation immediately. Air compressor only can be started up after failure is
eliminated. In case of emergency, press down emergency stop button to cut off power of controller and
contactors
6
、
Early-warning and prompts
1、 Indication of early warning of oil filter
①
. Early warning for blockage of oil filter
The controller can display the message on the text display to remind the operator that
“ the air filter is blocked” by checking the pressure difference switch operating state.
②
. Set the running time alarm of the air filter
The Text displays “OIL FILTER LIFE END” when the using time of the oil filter terminates.
2、 Indication of early warning for air filter
The Text displays “AIR FILTER LIFE END” when the using time of the oil filter terminates.
3、 Indication of early warning for oil separator
The Text displays “
O/A LIFE END
” when the using time of the oil separator terminates.
4、Indication of early warning for lubricating oil
The Text displays “
LUBE LIFE END
” when the using time of the lube terminates.
5、Indication of early warning for grease
The Text displays “
GREASE LIFE END
” when the using time of the grease terminates.
6、 Indication of early warning for belt
The Text displays “
BELT LIFE END
” when the using time of the belt terminates.
7、High air temperature warning
Controller detects the air temperature high, the text display “HIGH TEMPERATURE”
