GEA Bock HGZ7 - Manual (Page 18)

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5.6 Pipe connections
The pipe connections have graduated inside diameters so that pipes with
standart millimetre and inch dimensions can be used.
The connection diameters of the shut-off valves are rated for maximum
compressor output. The actual required pipe cross section must be
matched to the output. The same applies for non-return valves.
Fig. 23: graduated
internal diameter
5| Compressor assembly
ATTENTION Damage possible.
Superheating can damage the valve.
Remove the pipe supports therefore from the valve for soldering.
Only solder using inert gas to inhibit oxidation products (scale)
INFO A soldering suppot for tube diameter 54 mm is mounted to the
suction shut-off valve of the compressor.
A soldering support for tube diameter 2
1 /
8
'' accompanies the
compressor.
Liquid subcooler, expansion valve, solenoid valve and two sight glasses are mounted directly at the
compressor, piped and insulated.
FUE
FUA
FUE: Liquid subcooler inlet
FUA: Liquid subcooler outlet
5.5 Factory-installed liquid subcooler system (optional design)
Fig. 22
GEA Bock GmbH
72636 Frickenhausen, Germany