1
2
3
5
4
Fig. 1:
Position of the stickers on the product
1 Warning sign for live voltage
4
Hot surface warning sign
2 Operating instructions note
5
Rating plate of the rotary vane vacuum pump
3 Prohibition sign - No stepping on surface
1.3.4 Abbreviations
Abbreviation
Meaning in this document
OI
Operating instructions
CB
Certified body according to IEC (international electrotechnical commission)
DI
Digital Input
DO
Digital Output
N/A
not connected
N.N.
Mean sea level
NRTL
Nationally Recognized Test Laboratory
PE
Earthed conductor (protective earth)
RCCB
Residual Current Operated Circuit Breaker
WAF
width across flats
MM
Maintenance manual
Tbl. 2:
Abbreviations used in this document
About this manual
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