Checks Of Media Systems At Least Every 4 Years; Checks At Least Every 12 Years - Wesemann SYSTEM DELTA 30 User Manual

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User Manual | Laboratory Fume Cupboard | Inspection and Maintenance of Laboratory Fume Cupboards
• Test the sub-structure extraction function
• Check the sash poti-rope/cable
• Test the automatic sash closing function
• Test the function of the 500mm opening-limiter signal
• Examination of supply systems
• Check the supply pipeline up to the shut-off valve
• Check the disposal pipe up to the customer's interconnection point
• Check the supply pipeline for liquefied gas according to DVGW-TRGI Worksheet G600
• Check the media system according to the manufacturer's instructions
• Check the water supply pipe according to DIN-EN 806-5
• Check all maintenance-relevant built-in sanitary components according to the maintenance instructions
of the manufacturer
8.2.3 Checks at least every 4 years
According to prevention regulations for electrical installations and operating equipment DGUV Regulation 3,
retests of fixed electrical installations and operating equipment are to be carried out every 4 years. The tests
may be carried out only by a qualified electrician.
The test must be performed in accordance with the applicable electrical engineering regulations.
As a fixed installation, the supply pipeline for liquefied gas is to be tested at least every 4 years for leaks, proper
condition, function and installation according to BGV D34. The pressure regulator, hoses and hose-rupture
protection valves are to be replaced after 8 years.
8.2.4

Checks at least every 12 years

According to DVGW Worksheet 600 „Technical Rules for Gas Installations", a serviceability test is to be
performed and documented by an approved contract installation company (VIU) every 12 years.