BUSCH COBRA NC 0600 C, Instruction Manual

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5 | Installation
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5.2.5 Dilution Gas System Connection (Optional)
PRV MV DGC MAN FME, FR NIP
DGC Dilution gas connection FME Flow meter
FR Flow regulator MAN Manometer
MV Solenoid valve NIP Nitrogen panel
PRV Pressure regulating valve
• Connect the dilution gas connection (DGC) to the gas supply.
Connection size:
– G1/4, ISO 228-1
• Electrically connect the solenoid valve (MV), see
Wiring Diagram Solenoid Valve
[ ► 21]
.
• Make sure that the gas complies with the following requirements:
Gas type Dry nitrogen
Gas temperature °C 0 ... 60
Maximum gas pressure bar 13
Recommended pressure setting at the
pressure regulating valve (PRV) bar 2.5
Filtration µm 5
Recommended flow rate SLM* 30
* standard litre per minute