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FORM 160.54-M1
ISSUE DATE: 10/25/2019
SI0210 - SOFTWARE ENHANCEMENTS (VER 20) EFFECTIVE JUNE 2009
GENERAL
Beginning June 2009, enhanced software will be sup-
plied in new production YK chillers and replacement
microboard kit (P/N 331-02430-601). This software is
backward compatible to all previous chillers equipped
with microboard 031-02430-000 or (P/N 031-02430-
001). The enhancements are listed below.
The software version and Program card part number is
C.OPT.01.20.307 (P/N 031-02474-001).
MEDIUM VOLTAGE VARIABLE SPEED DRIVE
The following new features were added.
New Data Values
The following new values are read from the MV VSD:
• Programmed Maximum Drive Output Frequency
• Programmed Motor Power Rating
500
600
700
800
900
MODEL
1000
IN HP
1250
1500
1750
2000
2250
2500
JOHNSON CONTROLS
MOTOR RATED VOLTAGE (V)
2300 V
107 A
129 A
157 A
172 A
202 A
224 A
280 A
336 A
392 A
438 A
494 A
561 A
Max. Job/Rated 100% FLA (A) (Programmed Drive Current)
JCI COMPANY CONFIDENTIAL
SECTION 36 - SOFTWARE ENHANCEMENTS
Mobus
Address
Name
40033
Rated Output Voltage
40034
Rated Output KW
40058
Rated Output Frequency (History Data) x10
40059
Rated Output KW(History Data)
MV VSD Model
The MV VSD model is displayed on the MV VSD
DRIVE screen in the data box labeled MV VSD model
as a number representing the horsepower rating fol-
lowed by HP (i.e.; 1500HP). The model number is de-
rived from the Motor Rated Voltage (Modbus Address
40012) and the programmed drive current (Modbus
Address 40013) according to the following table. 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 dis-
played.
3300 V
78 A
93 A
110 A
124 A
141 A
156 A
195 A
235 A
274 A
312 A
345 A
391 A
Scale
x10
x10
x10
4160 V
62 A
74 A
87 A
99 A
112 A
125 A
155 A
186 A
217 A
248 A
274 A
310 A
36
361
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