2
1.1 Markings and Symbols
The following markings and international symbols are used on the equipment or within this manual:
Caution, Read the User manual.
Highlights actions or procedures which, if not 
performed correctly, could lead to electric 
shock.
Risk of electric shock.
When disposing of old parts always follow local 
waste disposal regulations.
Highlights actions or procedures which, if not 
performed correctly, may lead to personal 
injury or death.
Conformité Européenne
Highlights actions or procedures which, if not 
performed correctly, may lead to damage to 
this product.
Waste electrical and electronic equipment 
should not be disposed of with municipal 
waste.
WARNING
The generator must be shut down and 
depressurised before performing any 
maintenance.
(REFER TO MANUAL)
DANGER
Live terminals are enclosed.
Disconnect the mains supply before removing 
the cover.
DANGER
Disconnect the mains supply before removing 
this cover.
Prior to powering up the generator, remove the 
rear access panel from the generator and 
unscrew the M8x20mm packing bolt from each 
compressor mounting assembly using a 13mm 
spanner.
When complete refit the rear access panel and 
continue with the installation.
Failure to do this will cause irreparable 
damage to the generator and will invalidate the 
warranty
NITROGEN (N2), 
DO NOT BREATHE
Asphyxiant in high concentrations. No odour. Slightly lighter than air. Ensure adequate ventilation. Breathing 100% nitrogen 
will produce immediate unconsciousness and death due to lack of oxygen.
NON-FLAMMABLE COMPRESSED GAS
This product has been certified by Underwriters Laboratories
®
.
GENERATOR MUST BE SHUT
DOWN AND DEPRESSURISED
  BEFORE PERFORMING
   ANY MAINTENANCE
  (REFER TO MANUAL)
WARNING
DANGER
LIVE TERMINALS
   ENCLOSED
  DISCONNECT THE
MAINS SUPPLY BEFORE
REMOVING THIS COVER
  DISCONNECT THE
MAINS SUPPLY BEFORE
REMOVING THIS COVER
DANGER
NITROGEN  (N
2
)
GAS
NON-FLAMMABLE
DO NOT BREATHE 
COMPRESSED
Asphyxiant in high
concentrations. No odour
Slightly lighter than air.
Ensure adequate ventilation.
Breathing 100% nitrogen will produce
immediate unconsciousness and death
due to lack of oxygen.
 
LISTED
LABORATORY
EQUIPMENT 84NA