a.
Stream Compressors
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All Stream compressors are suction gas cooled. (motor is cooled by refrigerant gas
that is led over the motor).
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All compressors are fitted with discus valve plates.
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Each cylinder head has 2 plugged 1/8" - 27 NPTF tapped holes for connecting high
pressure switches.
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Copeland Stream compressors is fitted with CoreSense module as a standard.
b. Liquid Receiver
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Emerson CDUs are equipped with liquid receivers
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Rotalock service valve is provided at the receiver outlet
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Sight glass mounted on liquid receivers to help to not exceed maximum liquid level
c.
HP/LP Cut-out
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Dual HP/LP, auto reset, safety switch
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Pressure switches used for control/protective functions
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Control functions – compressor cycling, pump down
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Protective functions – pressure limiting and cut-out against excessive pressures,
against loss of charge or freeze protection
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Display scales are printed in relative pressure units – “bar” and “psi”
d. Z9/Z12 Condenser
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Condenser is constructed with copper tubes and aluminum fins, steel-sheet housing
with a fan opening.
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Number of fans: 4
e. Fan
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Z9 CDU is equipped with single phase fans and dual rated for 50/60 Hz operation.
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Fan is made of an external rotor motor with fan blades permanently fixed to rotor.
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Fan guard has 4 mounting feet.
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Fan is positioned in order to blow air from condenser to the compressor.
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