Commissioning; First Commissioning - Gardner Denver L15 Original Operating Manual

8. Commissioning

8 Com m issio ni ng
8.1

First commissioning

DANGER
The rotational direction of the motor can
only be checked with the casing open.
Rotating parts may lead to injuries, e.g.,
cutting of finger or hand.
• Before commissioning make sure that no
one is located in the danger zone of the
screw compressor!
• Be careful of rotating parts!
• Keep a sufficient distance from rotating
machine parts!
• Wear ear protectors
• Always operate system with the casing
closed except when performing this test.
CAUTION
Damages during transport may impair
safety!
• Before commissioning, every screw
compressor should be checked again
for damage and should be watched
during the first hour of operation.
NOTICE
When the compressor system is connected to a
power source for the first time, always check
the drive direction of the drive motor!
When the compressor system is connected to a
power source for the first time, always check
the drive direction of the drive motor! With a
wrong direction of rotation, shut down the unit
immediately by pressing the emergency STOP
button (-24- Fig. 2) (not the 
otherwise the compressor may be seriously
damaged, even during short periods of
operation.
The compressor unit is fully assembled at the factory. It
can be directly connected to the compressed air supply
system with a flexible connection.
30
- STOP button),

First commissioning is carried out as follows:
Remove transport guards (see Section 7.4, Fig. 12)
Fill oil in the pressure vessel up to "maximum oil
•
level" mark. (This applies to compressor systems
which are delivered without having been filled with
oil). (Refer to Section 10.4 and 10.15 for
information on filling oil).
Check the oil level in the pressure reservoir (see
•
also Section 7.5). (Fig. 13)
Check the setting of the control-power transformer
•
(see also Section 7.3). (Fig. 11)
Check and re-tighten all connecting terminals of the
•
electrical control.
Open isolator valves between the screw compres-
•
sor, reservoir and pipe.
Operate main power supply switch.
•
Once the power supply has been switched on, the
•
POWER LOSS fault appears. This fault must be
acknowledged using the
find more information about the control in Section 9.
The factory setting of the setpoint value for the
•
network pressure (upper and lower switching point)
is saved in the compressor control GD PILOT and
depends on the relevant pressure variant of the
compressor (see nameplate fig. 1, stage pressures
= maximum operating pressure). Section 9.5.2
describes how you check these settings or change
the values.
Temporarily open the hood to check the direction of
•
rotation, for specified direction of the fan, see (-1-
Fig. 14)
Press the Start button
•
immediately check the direction of rotation.
If the direction is incorrect, immediately press the
•
EM-STOP button (-24- Fig. 2) and correct the
direction of rotation.
Next, check the control transformer output voltages
•
while operating under load (see Section 10.10).
key (Fig. 15). You will

(- 2 - Fig. 15) and
I