1
Fig.10:
Stop valve - check valve assembly
1
Nut and stud
Stud
PN 25
PN 63 (heat pump application)
DN 50
4x M16
100 Nm
4x M20
185 Nm
DN 65
8x M16
100 Nm
8x M20
185 Nm
DN 80
8x M16
100 Nm
8x M20
185 Nm
DN 100
8x M20
185 Nm
8x M24
300 Nm
DN 125
8x M24
300 Nm
8x M27
420 Nm
1.3.7
Connecting the power supply
Information about further electrical connections to be made (e.g. crankcase
heater, drive motor starting equipment, thermal protection of drive motor,
automatic start/ stop and other external electrical devices) can be found in the
plant manual (not supplied by Grasso).
1.3.8
Earthing connections
Grasso compressors and packages are equipped with litz-wires and earth
connecting points.
To avoid leakage current flowing through the components, disconnect all litz-
wires when arc-welding. After all installation functions are completed, reconnect
the litz-wires and ground the package to earth.
1.3.9
Separately delivered components
Hint!
Check whether the sets/parts/components belonging to this
compressor are supplied loose! (Refer to order confirmation)
Mount these separately delivered sets, components and/or parts, according to
the instructions as supplied with this compressor (package).
INSTALLATION AND PREPARATION FOR USE
INSTALLATION
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07.04.2021
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