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Configure SERVICE1 Table
Access Service1 table to modify/view the following to jobsite parameters:
*Open-drive machines only.
Note: Other values are left at the default values. These may be changed by the operator as
required. Service2 and Service3 tables can be modified by the owner/operator as
required.
Modify Minimum and Maximum Load Points (∆T1/P1; ∆T2/P2) If Necessary
These pairs of machine load points, located on the Service1 table, determine when to limit
guide vane travel or to open the hot gas bypass valve when surge prevention is needed. These
points should be set based on individual machine operating conditions.
Chilled Medium
Brine Refrigerant Trippoint
Surge Limiting or Hot Gas
Bypass Option
Minimum Load Points (T1/P1)
Maximum Load Points (T2/P2)
Motor Rated Load Amps
Motor Rated Line Voltage
Motor Rated Line kW
Line Frequency
Compressor Starter Type
Stop-to-Start Time*
Water or Brine?
Usually 3
°
F (1.7
°
C
)
below design refrigerant temperature
Is HGBP installed?
Per job data — See Modify Load Points section (below)
Per job data — See Modify Load Points section (below)
Per job data
Per job data
Per job data (if kW meter installed)
50 or 60 Hz
Reduced voltage or full?
Follow motor vendor recommendation for time between starts.
See certified prints for correct value.