Control logic
CDS oil boost function is based on time and
compressor speed. More advanced protection
can be done using a compressor equipped with
an optical oil level sensor and a logic embedded
in the unit controller.
Details on optical oil level sensor in Product
information
Oil boost controlled by
optical oil level sensor
4
3
1
2
WD-00008
1
Drive
2
Optical oil level sensor
3
Oil management logic embedded in
unit controller
4
Modbus
Drive parameters
Description
Default
Range
“28.10”
Oil return management
Enables/disables Oil Return Management
Enable
On / Off
“28.11”
Low speed running
Threshold for boost decision
120 min
1-1440 min
“28.12”
Fixed boost interval
Maximum time between oil return boosts
24h
1-168h
“28.13”
Boost duration
desired duration of oil boosts
60sec
10-255s
“28.15”
ORM Min speed limit
Minimum speed limit for trigger the ORM function
120Hz
90~180Hz
“28.17”
ORM boost speed
Boost speed for the ORM function
180Hz
par. 28.14 to 330Hz
Drive parameters
Description
Default value
“28.10”
Oil return management
Disable (managed by unit controller)
Enable
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Содержание VLZ065
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