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The DIN inputs for on demand cleaning and/or the shut down cycle are not used the Din
cover must be installed and the wire inlet must be sealed with a 6 – 8 mm cap
(supplied) to maintain the electrical and ATEX ratings.
Lock out power before working on electrical connections to this device.
To be able to modify the pause and work time, or to enable all or only some of the
installed valves, it is necessary to open the transparent plastic window located on the
cover of the device.This operation exposes the internal circuit to the potentially
explosive atmosphere therefore it is mandatory to follow the following precautions:
• Disconnect the power supply voltage.
• Unscrew the four screws and remove the window. Be careful not to lose the
screws, gasket or the plastic window.
• Adjust settings per the following instructions.
• When finished clean the contacting surface of the gasket and close the
transparent window, being careful to properly position the gasket, and firmly
tighten the four screws.
CONTROLS: DIP-SWITCHES, ROTATING COMMUTATOR AND TRIMMER
The STR Controller is provided with multiple solenoid valves which can vary from 2 to 6.
Dip switches SW#2 and SW#3 control how many valves are used as shown in the
following table.
Table 1: Solenoid control DIP switch settings.
SW#2
ON
OFF
ON
OFF
ACCESSING CONTROLS
SW#1:
Off = Shut down cycle enabled
On = Shut down cycle disabled
SW#2:
SW#3:
SW#4:
ON = Test – off time = 1 sec
Off = Normal – off time per commutator settings
1 2 3 4 5 6 2 3 4 5 6 3 4 5 6 3 4 5 3 4
SW#3
ON
ON
OFF
OFF
WARNING:
See Table 1
See Table 1
Solenoids Enabled
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