5
INSTALLING THE GAS AND ELECTRICAL SUPPLY TO THE AW400TG WORKSTATION
CAUTION:-
GAS CONTAINING MORE THAN 10% HYDROGEN MUST NOT BE USED
UNDER ANY CIRCUMSTANCES
2 stage pressure regulator
Secondary gauge showing pipeline
pressure set between 1.6 and 2.5 Bar
sufficient to switch low gas pressure
indicator “OFF”
Primary gauge showing
pressure in bottle
Regulator
Gas isolation
taps close to
cabinet.
6mm diameter flexible
plastic tube 1m long
Electrical supply 220/240V AC 50Hz
Mount cabinet on strong
bench at convenient
height
Select tube diameter to give
minimum pressure drop when 25 L
of gas per minute is flowing.
Diameter depends on length of run
Large gas cylinder containing 9 cubic
meters of mixed gas.
10% H
2
+ 10% CO
2
+80% N
2
Low gas pressure
indicator
Gas cylinder containing 9 cubic
meters of oxygen free nitrogen
