FORM 160.54-O1
ISSUE DATE: 9/10/2014
JOHNSON CONTROLS
200
SECTION 3 - DISPLAY MESSAGES
VSD – High Phase A Inverter Baseplate
Temperature
(VSD part number 371-03789-xxx (503HP 60Hz;
419HP 50Hz)) (Flash Memory Card version
C.MLM.01.08.xxx and later)
The chiller has shut down because the baseplate tem-
perature has increased to greater than 158°F (70°C).
The chiller can be started after the fault condition clears
and the RESET button on the VSD Logic Board and the
Compressor Switch are placed in the Stop-Reset (O)
position.
VSD – High Phase B Inverter Baseplate
Temperature
(VSD part number 371-03789-xxx (503HP 60Hz;
419HP 50Hz)) (Flash Memory Card version
C.MLM.01.08.xxx and later)
The chiller has shut down because the baseplate tem-
perature has increased to greater than 158°F (70°C).
The chiller can be started after the fault condition clears
and the RESET button on the VSD Logic Board and the
Compressor Switch are placed in the Stop-Reset (O)
position.
VSD – High Phase C Inverter Baseplate
Temperature
(VSD part number 371-03789-xxx (503HP 60Hz;
419HP 50Hz)) (Flash Memory Card version
C.MLM.01.08.xxx and later)
The chiller has shut down because the baseplate tem-
perature has increased to greater than 158°F (70°C).
The chiller can be started after the fault condition clears
and the RESET button on the VSD Logic Board and the
Compressor Switch are placed in the Stop-Reset (O)
position.
VSD – Precharge Lockout
If the VSD fails to make pre-charge, the pre-charge re-
lay shall drop out for 10 seconds. During that time, the
VSD’s fans and water pumps shall remain energized
in order to permit the pre-charge resistors to cool. Fol-
lowing this 10-second cool-down period, pre-charge
shall again be initiated. The VSD shall attempt to make
pre-charge three consecutive times. If the VSD fails to
make pre-charge on three consecutive tries, the unit
will shut down, lockout, and display this message. The
chiller can be started after the Compressor Switch is
placed in the Stop-Reset (O) position.
Harmonic Filter – High Heatsink Temperature
(Style D VSD)
The Harmonic Filter power assembly has one heat-
sink transmitter on the 503 HP units and two heatsink
transmitter on the 790 HP units. If the temperature on
any heatsink exceeds 167°F (75°C), the unit will shut
down. This message is usually an indication of a low
coolant level in the VSD cooling loop. The chiller can
be started after the fault condition clears, the OVER-
TEMP RESET button on the Filter Logic Board is
pressed, and the Compressor Switch is placed in the
Stop-Reset (O) position.
Harmonic Filter – High Baseplate Temperature
(Applicable to VSD with part number 371-02767-xxx
(60Hz) and 371-03700-xxx (50Hz)) (If it is a compres-
sor other than “P”, it requires Flash Memory Card ver-
sion C.MLM.01.05A.xxx and later)
This shutdown occurs when the baseplate temperature
exceeds 174°F (79°C). The chiller can be started af-
ter the fault condition clears, the OVERTEMP RESET
button on the Filter Logic Board is pressed, and the
Compressor Switch is placed in the Stop-Reset (O) po-
sition.
Harmonic Filter – High Baseplate Temperature
(VSD part number 371-03789-xxx (503HP 60Hz;
419HP 50Hz)) (Flash Memory Card version
C.MLM.01.08.xxx and later)
The chiller has shut down because the baseplate tem-
perature has increased to greater than 194°F (90°C).
The chiller can be started after the fault condition
clears and the OVERTEMP RESET button on the Fil-
ter Logic Board and the Compressor Switch are placed
in the Stop-Reset (O) position.
VSD – Harmonic Filter-High Baseplate
Temperature
(575V/60Hz applications)
(Software version C.OPT.01.15.xxx or later)
If the baseplate temperature rises above the following
limits, this shutdown is performed:
424HP - 174.2°F (78.9°C)
608HP - 190.4°F (88°C)
To Next Page
Loading...
