P. 35 - Chap. 7 Start-up and operation
7
Start-up and operation
G
B
7.1
Checks to be carried out prior to start-up
N.B.: The Customer is responsible for installing the machine and making the required electrical and
air connections.
Initial system start-up must be carried out by skilled personnel who will make the various
checks required and follow the respective instructions.
Each machine was thoroughly tested at the plant before shipping.
You should monitor the compressor during the fi rst hours of operations to check for faults.
Follow the installation prescriptions given in chapters 5 and 6
Remove all packaging materials and tools
Connect the compressor to the distribution line as shown in paragraphs 6.2 and 6.3
Check the oil level in the receiver: see paragraph 10.5. If the level is low, top up with lubricating oil of
suitable specifi cations
Check for correspondence between the compressor plate data with the actual specifi cations of the
electrical system. A variation of ± 10% with respect to the rated value is allowed
Connect the machine to the electrical system as described in paragraph 6.4
Compliance with the correct voltage phase
sequence is fundamental since this defi nes the
direction of rotation of the motor. The direction
of rotation must be that indicated by the adhe-
sive label located to the side of the screw unit
(fi gure 33).
Note that even a few seconds of incorrect rotation
may cause serious damage.
A phase sequence checking device to prevent
mistakes is fi tted in the electrical panel.
Fig. 33
The machine is now ready to be started.
Before starting the machine read the following paragraph and chapter 10 on maintenance
operations for in-depth knowledge of the machine.
7.2
“mc
2
” Control panel
The compressor is fi tted with a “
control panel
” (reference PC
fi gures 13, 15, 17, 19, 21, 23
) for setting up and
monitoring machine operation. The operating parameters were entered by the Manufacturer during “
testing
”.
The parameters were tested for several hours in the various operating conditions.
The features offered by this electronic control system includes:
Fully automatic compressor operation
Real-time operating parameter display
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