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4.7 The 3AL is a liquid ring vacuum system using ambient air as the coolant.
The reported performance curves of the 3AL assume basic operating parameters
as noted. Should local conditions vary significantly from these values,
performance may be affected.
Condition Value
Ambient Temperature 60 F /15 C
Barometric Pressure 14.7 psia /1013 mbar
Air Humidity 50%
Maximum Operating Liquid Temperature 160 F/ 71C
Minimum Ambient Temperature (if operating
below these temperatures, addition of ethylene
glycol will be required)
40 F/ 5 C
Maximum discharge pressure (if operating above
this range, please consult factory)
5 psig / 0.344 Bar G
5.0 Transportation and Handling
5.1 The 3AL liquid ring vacuum system is designed to be lifted easily by a forklift;
this is the recommended method of transport.
5.2 If lifting the 3AL using a crane, use two lifting belts routed below the system
in the area where the forklift would normally lift the unit. Ensure that the belts are
positioned to avoid tipping the load.
5.3 After transportation, inspect the unit to ensure no damage has occurred.
6.0 Installation
6.1 Install the unit in a location that allows for the consistent maintenance of the
clearances around the unit as noted in Section 4.4 of this manual. Do not install
the unit in areas where these clearances can not be maintained. Do not stack
material in the area immediately around the unit that may restrict cooling air flow
into and out of the unit.
6.2 The system must be installed on a flat level surface that is stationary when
the machine is operating.
6.3 Consult the factory for installations at altitudes above 3000 feet (1000 m)
above mean sea level.
6.4 Ensure that the load bearing capacity of the installation surface will bear the
weight of the unit filled with water as shown in Section 4.1 of this manual.
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