Owner manual

13
09704-09.2013-DGbFITrCn
D
GB
F
I
TR
CN
4| Compressor assembly
4.7 Pipes
 Pipesandsystemcomponentsmustbecleananddryinsideandfreeofscale,swarfandlayersof
rustandphosphate.Onlyuseair-tightparts.
 Lay pipes correctly.Suitable vibration compensators must be provided to prevent pipes being
crackedandbrokenbyseverevibrations.
 Ensureaproperoilreturn.
 Keeppressurelossestoanabsoluteminimum.
 Thedischarge and suction line valveshavesteppedinternal
 diameters,enablingtheuseofpipeswithstandardmillimetreand
 inchdimensions.Thedepthofpipeinsertionwilldependonthe
 dimension.
 Theconnectiondiametersoftheshut-offvalvesaredesignedfor
 maximumcompressoroutput.Therequiredpipecross-section
must be matched to the capacity. The same applies for
non-return valves.
Fig.13:Stepped
internaldiameters
4.6 Pipe connections
4.8 Operating the shut-off valves
 Beforeopeningorclosingtheshut-offvalve,releasethevalvespindlesealbyapprox.¼ofaturn
counter-clockwise.
 Afteractivatingtheshut-offvalve,re-tightentheadjustablevalvespindlesealclockwise.
Fig.14
Fig.15
ATTENTION! Overheating can damage the valve.
Therefore, remove the pipe supports from the valve before
soldering.
Solder only using inert gas to inhibit oxidation products.
 Therequiredtighteningtorquefortheangeconnectionis60Nm.
Valve spindle seal
Release
Tighten