2-4-4 Compressor Sequence Operation
02-06
Operation Compressor
Stop Compressor
INV INV
INV INV
INV INV
INV INV
INV INV
Starting rotation
execution
Start
Start
Stop
Stop
Run command
Rotate the stating sequence under the following conditions:
(1) Defrosting
(2) Oil recovery
(3) When cooling discharge temperature is high
(4) After stopping from Heating operation / Heating main operation
Make starting sequence and start and stop of the compressors in accordance with
the below sequence.
Starting sequence condition
Example)
Starting sequence : Compressor started first, compressor stopped last
Starting sequence : Compressor started 2nd, compressor stopped 2nd from the end
Starting sequence : Compressor started 3nd, compressor stopped 3nd from the end
Starting rotation
execution
Start
Oil recovery
(example)
INV
INV
INV
INV
INV
INV INV
INV
INV INV
INV
Stop
Stop
Stop
INV
INV
INV INV
INV INV
INV INV
Start
Start
Stop
INV
INV
INV
INV
Stop
INV
INV
INV
INV
INV INV
INV
INV
INV
INVINV
INV
Start
Start
Stop
INVINV
INV
INV INV
INV
Stop
Stop
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