2201Q4JE-MY-C9-N_2018.01.
Chapter 1 Safety
Compound 2-stage Screw Compressor 4032**C 1.4 Safety Devices
1-8
Connection Positions and Settings
Specify the connection position and setting for each compressor protective device, and make sure
to provide users of this product with them.
Make sure that the set values do not exceed the operating limits shown in Section 2.3.2 and Table
2-2 in this manual Chapter 2.
Inspection Method/Cycle
Compressor protective devices require operation tests and confirmation of the settings calibration
before commissioning as well as at regular intervals.
Specify the inspection methods/intervals of the compressor protection devices, and make sure to
provide users of this product with such information.
In the operation test, check that alarms and protective devices operate normally by
using devices such as pressure tester. Do not operate the compressor with all the
valves closed, or in any other dangerous conditions.
If the protection from low oil pressure (OP), high pressure (HP) activates, do not
restart operation until the cause of activation is removed.
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