Page 37 of 108
M-AP-001-EN Rev. N
Electrical Specications
Turbocor compressors are designed to operate with a power supply that is within an
acceptable tolerance for each nominally rated voltage and frequency. The tables below
specify the acceptable supply voltage and frequency ranges. Using a supply voltage/
frequency at or beyond the range limit will cause the compressor to shut down.
6.1 Supply Voltage and
Frequency
Table 6-1 - Acceptable AC
Voltage Range
Table 6-2 - Acceptable
Frequency Range
Nominal Voltage Acceptable Voltage Range
380V 342 - 418 VAC
400V 360 - 440 VAC
460V 414 - 506 VAC
575V 518 - 635 VAC
Nominal Frequency Acceptable Frequency Range
50Hz 50Hz ±5% (47Hz - 53Hz)
60Hz 60Hz ±5% (57Hz - 63Hz)
• • • CAUTION • • •
Application of a compressor to any voltage which is outside of the nominal rated voltage dened on the compressor
nameplate will result in voiding of the compressor warranty from DTC, unless otherwise stated by DTC. This includes any
application of a 400V compressor in a 380V application without the use of a transformer to correct the voltage going into the
compressor.
NOTE
Refer to the TT/TG Compressor Nomenclature section of this manual for details on the compressor voltage availability.
6 Electrical Specifications
The new compressor controller (version 3.0.0 and above; see Section 1.1 “Scope”) is
designed to allow a user to congure the current setting based on the intended application.
The compressor denes the Full Load Amperage (FLA) and Locked Rotor Amperage (LRA) as
a range on the nameplate. The settings for the FLA and LRA are adjustable using the Service
Monitoring Tool (SMT) or directly from the customer controller application.
The 3-Phase Over Current Alarm (FLA) cannot be set higher than the 3-Phase Over-Current
Fault limit (LRA). The maximum fault limit and alarm limit settings are dependent upon the
Voltage and Model. The Model type denes the range for the FLA and LRA values.
6.2 Compressor Current
Limit and Operating
Range Settings
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