Parker PNEUDRI domnick hunter MAXI PLUS MPXS Series - Page 25

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VALVES
* Incorrect piping of control solenoid valves.
* Incorrect piping of inlet/outlet valves.
* Operation of the dryer with solenoid valves disconnected.
SERVICING
* Servicing of controller by untrained personnel (controller designed to be service free).
* Use of non-genuine parts or sensors.
* Servicing dryer whilst still connected to electrical power and compressed air.
INLET COMPRESSED AIR AND ELECTRICAL POWER SUPPLY
* Air supply going outside dryer limits (3 bar g (44 psi g) min/ 13.0 bar g (189 psi g) max).
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* Power switched off whilst machine still running.
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* Venting dryer without using “TAKE OFFLINE” instructions.
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* Repressurising dryer without using “BRING ONLINE” instructions.
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INSTALLATION
* Installing the dryer out of doors.
* Operating the dryer with the shroud open.
* Running the dryer with excessive back pressure on the purge exhaust 350 m bar (5 psi).
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PNEUDRI Electronic only