Carrier XRV Spécifications Page 45
- Page / 190
- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
45
Table 6 — Protective Limits and Control Settings (cont)
MONITORED PARAMETER ALARM/ALERT LIMIT COMMENTS
Motor — Surge 238
> 5 surge events within SURGE TIME PERIOD
and VFD SPEED > 90%
Preset Alarm, Configure SURGE DELTA% AMPS
and SURGE TIME PERIOD in OPTIONS screen
Surge 236
> 5 surge events within SURGE TIME PERIOD
and VFD SPEED < 90%
Preset Alarm, Configure SURGE DELTA% AMPS
and SURGE TIME PERIOD in OPTIONS screen
Current Imbalance 225
MOTOR CURRENT IMBALANCE > MOTOR
CURRENT % IMBALANCE
Configure MOTOR CURRENT % IMBALANCE and
MOTOR CURRENT IMBAL TIME in VFD_CONF
screen
Overload Trip 217
Any LOAD CURRENT PHASE > 108% for
Excessive Time Period
Preset Alarm, Configure MOTOR LOAD ACTIVE
DEMAND LIMIT in MAINSTAT screen
Excessive Amps 208 PERCENT LOAD CURRENT > 110% for 30 sec. Preset Alarm
Acceleration Fault 203
PERCENT LOAD CURRENT > 95% and
VFDSTART = TRUE for 5 to 40 sec
Preset Alarm, PERCENT LOAD CURRENT =
AVERAGE LOAD CURRENT/MOTOR RATED
LOAD AMPS
Amps Not Sensed 202
PERCENT LOAD CURRENT < 5% for 3 seconds
and VFD START=TRUE for 20 sec
Preset Alarm, PERCENT LOAD CURRENT =
AVERAGE LOAD CURRENT/MOTOR RATED
LOAD AMPS
Starts Limit Exceeded 100 More than 8 starts in 12 hours Preset Prestart Alert
Low Chilled Water Flow 229
CHILLED LIQUID FLOW = FALSE after CHILLED
WATER PUMP = ON & WATER FLOW VERIFY
TIME elapsed
Optional Alarm, Configure WATER FLOW VERIFY
TIME in SETUP1 screen
Low Cond Water Flow 230
COND WATER FLOW = FALSE after COND
WATER PUMP = ON & WATER FLOW VERIFY
TIME elapsed
Optional Alarm, Configure WATER FLOW VERIFY
TIME in SETUP1 screen
High Approach — Evaporator 162
EVAPORATOR APPROACH > EVAP APPROACH
ALERT and startup complete
Configure EVAP APPROACH ALERT in SETUP1
screen
Condenser 163
CONDENSER APPROACH > COND APPROACH
ALERT and startup complete
Configure COND APPROACH ALERT in SETUP1
screen
VFD — High VFD Speed 245
ACTUAL VFD SPEED > VFD SPEED OUTPUT
+ 10%
Preset Alarm, Must be outside +10% threshold for
75 sec.
Failure to Stop 204
PERCENT LOAD CURRENT >15% and
VFDSTART = NO for 20 sec
Preset Alarm, PERCENT LOAD CURRENT =
AVERAGE LOAD CURRENT/MOTOR RATED
LOAD AMPS
Rectifier — High Temperature 218 RECTIFIER TEMPERATURE limit exceeded
Preset Alarm, Configure RECTIFIER TEMP
OVERRIDE in SETUP1 screen
110
RECTIFIER TEMPERATURE > RECTIFIER TEMP
OVERRIDE –20 F (11.1 C)
Prestart Alert, Configure RECTIFIER TEMP
OVERRIDE in SETUP1 screen
Overcurrent 241 Rectifier current limit exceeded Preset Alarm
Power Fault
200
IGBT current limit exceeded or a fault was detected
in the rectifier
Preset Alarm
Inverter — High Temperature 219 INVERTER TEMPERATURE limit exceeded
Preset Alarm, Configure INVERTER TEMP
OVERRIDE in SETUP1 screen
111
INVERTER TEMPERATURE > INVERTER TEMP
OVERRIDE –20 F (11.1 C)
Prestart Alert, Configure INVERTER TEMP
OVERRIDE in SETUP1 screen
286 Inverter current limit exceeded Preset Alarm
Power Fault 201 IGBT current limit exceeded Preset Alarm
Inductor — Overtemperature Switch 256 Inductor temperature limit exceeded
Preset Alarm, Temperature switch in reactor has
opened
DC Bus Voltage — High 205/166 DC BUS VOLTAGE Limit Exceeded Preset Alarm/Alert
Low 215
DC BUS VOLTAGE < 407 VDC at 400/480 V
Line Side Voltage
Preset Alarm
Ground Fault 220
GROUND FAULT CURRENT > 7% of Drive Rated
Amps Sensed
Preset Alarm
Optional Limits — Spare Temperature
158,159,
248,249
SPARE TEMPERATURE > SPARE TEMP LIMIT
Optional Alarm/Alert, Configure SPARE TEMP
ENABLE and SPARE TEMP LIMIT in SETUP1
screen
Guide Vane Position 253
ACTUAL GUIDE VANE POS > 4% after 4 minutes
of closing
Preset Alarm
ACTUAL GUIDE VANE POSITION < .045 volts
after startup complete
Preset Alarm
ACTUAL GUIDE VANE POSITION > 3.15 volts
after startup complete
Preset Alarm
ACTUAL GUIDE VANE POSITION < –1% after
startup complete
Preset Alarm
ACTUAL GUIDE VANE POSITION > 103% after
startup complete
Preset Alarm
Low Discharge Superheat 240
DISCHARGE SUPERHEAT < SUPERHEAT
REQUIRED –3 F (1.7 C) for 60 seconds
Preset Alarm, DISCHARGE SUPERHEAT = COMP
DISCHARGE TEMP – CONDENSER REFRIG
TEMP
Humidity — Dew Prevention 255
VFD COOLANT FLOW = 0% and VFD COLD
PLATE TEMPERATURE < Tdewpoint + 0.5 F
(0.3 C) or VFD COOLANT FLOW = 0% and there is
a Rectifier Overtemperature or Inverter Overtem-
perature Alarm
Preset Alarm
Sensor Fault 168
HUMIDITY SENSOR INPUT > 4.5 V or
HUMIDITY SENSOR INPUT < 0.5 V
Preset Alert
- EVERGREEN 1
- 50/60 Hz 1
- CONTENTS 2
- CONTENTS (cont) 3
- INTRODUCTION 4
- CHILLER FAMILIARIZATION 5
- (Fig. 1 and 2) 5
- REAR VIEW 7
- FRONT VIEW 7
- REFRIGERATION CYCLE 8
- MOTOR AND LUBRICATING OIL 8
- COOLING CYCLE 8
- STARTING EQUIPMENT 10
- OPTIONAL 11
- 442A AND 608A VFDs 12
- 900A AND 1200A VFDs 12
- CONTROLS 15
- Definitions 15
- Fig. 10 — Control Panel 17
- Fig. 11 — Power Panel 17
- 55.1 44.1 40.7 20
- 85.0 95.0 98.1 20
- 21.8 132.9 93 20
- Table 4 — ICVC Display Data 27
- 0.1-3.0 SP_HIGH 28
- 0.1-3.0 SP_HIGH 1.0 37
- PIC III System Functions 40
- ECW-10 sec 41
- Error, Gain = 1 41
- Error, Gain = 3 41
- START-UP/SHUTDOWN/ 57
- RECYCLE SEQUENCE (Fig. 27) 57
- Local Start-Up — 57
- Shaft Packing — 60
- LIQUID LINE 63
- Temperature (F) 64
- Temperature (C) 64
- • Surge/ HGBP Deadband = 1 69
- ΔT increase 70
- Delta Tsat 71
- ALARM CONTROL 72
- ALARM ROUTING 72
- LEGEND TO TABLES 16A-16J 91
- E. START-UP IN PROGRESS 92
- F. NORMAL RUN 93
- G. NORMAL RUN WITH OVERRIDES 93
- H. OUT-OF-RANGE SENSOR 94
- J. CHILLER ALERTS 99
- J. CHILLER ALERTS (cont) 100
- Control Modules 107
- Notes on Module Operation 107
- RECTIFIER LED 109
- INVERTER LED 109
- Table 30 — Motor Voltage Code 129
- COMPRESSOR, TRANSMISSION AREA 130
- LOW SPEED SHAFT THRUST DISK 131
- LEGEND FOR FIG. 53-58 133
- SEE NOTE 134
- HOT GAS BYPASS 135
- HOT GAS BYPASS OPTION FOR 136
- NOTE: MOTOR OVERLOAD IS 143
- FACTORY PRE-SET 143
- DO NOT ADJUST 143
- COMBINED I/O 144
- TB1 − LF2 146
- TB3 − LF2 146
- VFD (cont) 147
- LEGEND FOR FIG. 60 148
- NOTES FOR FIG. 60 149
- NOTE 3.6 150
- LEGEND FOR FIG. 61 152
- NOTES FOR FIG. 61 153
- 19XRV CHILLERS 154
- STATUS VPF_STAT 163
- APPENDIX B — LEAD/LAG WIRING 165
- 19XRV Weekly Maintenance Log 168
- 19XRV Maintenance Log 169
- 19XRV Seasonal Shutdown Log 170
- 10's 171
- 1's 171
- — The LEDs indicate if the 175
- Table G — Network Points List 176
- INITIAL START-UP CHECKLIST 179
- No 180
- *If yes, determine cause 180
- DRAWINGS) 180
- 0.1 to 3.0 184
- CCN LOCAL RESET MENU 190
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