Table 83: Display only fields
Field/LED name Description
MV VSD Model
Displays the model number as received from the MV VSD. The model number is
displayed as a number representing the horsepower rating (ie; 1500HP). It is derived
from the Motor Rated Voltage and Programmed Drive Current values received from
the MV VSD according to Table 84. If this results in a model that is not defined in the
lookup table, the model number is displayed as INVALID and the chiller will not be
allowed to run while this is displayed.
Motor Voltage Rating
Displays the voltage rating of the MV VSD as received from the MV VSD. This is the
Motor Voltage Rating value received from the MV VSD. Displayed as 2300 V, 3300 V,
or 4160 V. If an invalid value is received, Invalid is displayed and the chiller will not be
allowed to run.
Output Frequency Rating
This is the rated output frequency value received from the MV VSD. This value is the
maximum drive frequency (Hz) when the MV VSD receives a 100% speed command
from the OptiView Control Center. If the value received is not 50 Hz or 60 Hz, INVALID
is displayed. If this is the case, then the Motor Voltage Rating (above) determines the
maximum frequency as follows:
Motor voltage rating Output frequency rating
2300 V or 4160 V 60 Hz
3300 V 50 Hz
Note: For fields requiring access level of SERVICE. Service Technicians must refer to the
OptiView Control Center - Service Instructions (Form 160.76-M1) for operation instructions and
explanation of all programmable setpoints and displayed values.
Table 84: Motor rated voltage (V)
Motor rated voltage (V)
Model in HP
2300 V 3300 V 4160 V
500 107 A 78 A 62 A
600 129 A 93 A 74 A
700 157 A 110 A 87 A
800 172 A 124 A 99 A
900 202 A 141 A 112 A
1000 224 A 156 A 125 A
1250 280 A 195 A 155 A
1500 336 A 235 A 186 A
1750 392 A 274 A 217 A
2000 438 A 312 A 248 A
2250 494 A 345 A 274 A
2500 561 A 391 A 310 A
Max. Job/Rated 100% FLA (A) (Programmed Drive Current)
91Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center
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