Specifications

47
Table 6 — Protective Safety Limits and Control Settings (cont)
MONITORED PARAMETER STATE LIMIT COMMENTS
Low Pressure 142
OIL PRESSURE DELTA P < 18 PSID and startup
complete
Preset Alert
Oil - Pressure Sensor Fault 227
OIL PRESSURE DELTA P > 4 PSI immediately
before oil pump turned on
Preset Alarm
Oil - Low Temperature 105
OIL SUMP TEMP < 150 deg F and [OIL SUMP
TEMP < CALC EVAP SAT TEMP + 50 deg F(27.8
deg C)]
Prestart Alert
Line Voltage - High
211/145
Line voltage > 150 % MOTOR RATED LINE VOLT-
AGE for 1 second
Preset Alarm / Alert if Autorestart is
enabled
211/145
Line voltage > 115 % MOTOR RATED LINE VOLT-
AGE for 10 seconds
211/145
Line voltage > OVERVOLTAGE THRESHOLD for
OVER/UNDER VOLTAGE TIME
Configure OVERVOLTAGE THRESHOLD
and OVER/UNDER VOLT TIME in
ISM_CONF screen
108
AVERAGE LINE VOLTAGE > OVERVOLTAGE
THRESHOLD
Configure OVERVOLTAGE THRESHOLD
in ISM_CONF screen
Line Voltage - Low
212/146
AVERAGE LINE VOLTAGE < 75% MOTOR RATED
LINE VOLTAGE for 1 second OR AVERAGE LINE
VOLTAGE < 80% MOTOR RATED LINE VOLTAGE
for 5 seconds OR AVERAGE LINE VOLTAGE <
85% MOTOR RATED LINE VOLTAGE for 10 sec-
onds OR AVERAGE LINE VOLTAGE < UNDER-
VOLTAGE THRESHOLD for > OVER/UNDER
VOLTAGE TIME
Preset Alarm/Alert Configure UNDER-
VOLTAGE THRESHOLD and OVER/
UNDER VOLT TIME in ISM_CONF screen
107
PERCENT LINE VOLTAGE < UNDERVOLTAGE
THRESHOLD
Prestart Alert, Configure UNDERVOLTAGE
THRESHOLD in ISM_CONF screen
Line Voltage - imbalance 216
Line Voltage Imbalance > VOLTAGE % IMBAL-
ANCE for > VOLTAGE IMBALANCE TIME
Configure VOLTAGE % IMBALANCE and
VOLTAGE IMBALANCE TIME in
ISM_CONF screen
Line Current -Single Cycle
Dropout
210/144 Line Voltage on 2 Phases < 50% for 1 Cycle
Preset Alarm/Prestart Alert, Configure
SINGLE CYCLE DROPOUT in ISM_CONF
screen
Current Imbalance 215
Line Current Imbalance > CURRENT % IMBAL-
ANCE for > CURRENT IMBALANCE TIME
Configure CURRENT % IMBALANCE and
CURRENT IMBALANCE TIME in
ISM_CONF screen
Power - Line Frequency Out of
Range
222
LINE FREQUENCY [<56 Hz or > 64 Hz] (60 Hz),
LINE FREQUENCY [<46 Hz or > 54 Hz] (50 HZ)
Preset Alarm
Phase Loss 209/143
Any LINE VOLTAGE PHASE < 50% MOTOR
RATED LINE VOLTAGE
Condition must persist for 2 seconds
Phase Loss 209/143
Minimum LINE CURRENT PHASE < 1/16 Maxi-
mum LINE CURRENT PHASE and Maximum LINE
CURRENT PHASE > 5% MOTOR RATED LOAD
AMPS
Condition must persist for 1 seconds
ISM Power on Reset 213/147
Loss of control power (brownout < 97 volts) to ISM
for excessive time period
Preset Alarm
ICVC Power on Reset 214/148
Loss of control power (<18 volts) to ICVC for exces-
sive time period
Preset Alarm
Communication - Loss of
Communication
242
SIO Communication between ICVC and CCM lost
for more than 5 seconds
Preset Alarm
Loss of Communication with
Starter
241
SIO Communication between ICVC and ISM lost
for more than 5 seconds
Preset Alarm
1M Aux. contact fault 200 Aux. contacts open with 1CR = ON + 3 sec. Preset Alarm
2M Aux. contact fault 201
Aux. contacts open with 1CR/Transition = ON + 3
Sec
Preset Alarm
Starter Fault 206 Starter Fault = Open w/1CR = ON Preset Alarm, Check starter safety circuit
Compressor Surge 238
> 4 surge protection counts within SURGE TIME
PERIOD and VFD SPEED > 90%
Preset Alarm, Configure SURGE DELTA%
AMPS and SURGE TIME PERIOD in
OPTIONS screen
Surge 236
> 4 surge protection counts within SURGE TIME
PERIOD and VFD SPEED < 90%
Preset Alarm, Configure SURGE DELTA%
AMPS and SURGE TIME PERIOD in
OPTIONS screen