Form 155.16-N3 (899), IsoFlow Absorption Chillers with Buffalo ...

coolant must be provided to cool the maximum condensate
flow to the desired temperature. Coolers may be
air or evaporatively cooled, providing they can produce
the desired leaving condensate temperature. Coolant flow
could be manually set for maximum load and allowed to
operate continuously at that level with no operating difficulties,
but the poor economics of such an arrangement
make automatic control preferable.
Auxiliary Condensate Receiver – An auxiliary condensate
receiver must be used if the main condensate
receiver is located a great distance from the chiller or
above the chiller. An auxiliary condensate pump is used
to send condensate from the auxiliary receiver to the
main condensate receiver.
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The auxiliary condensate receiver should be located at
floor level as close to the absorption unit as possible. A
check valve in the auxiliary condensate pump discharge
line is recommended where condensate backflow may
occur.
Auxiliary condensate receivers with condensate pumps
are available as a package. They include a float or other
control to cycle the pump to suit the condensate flow.
Manufacturers’ recommendations concerning selection
and application of these packages should be followed.
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