Carrier 19XRV Start-Up, Operation And Maintenance Instructions Manual page 58

D. PRE-START ALERTS:
These alerts only delay start-up. When alert is corrected, the start-up will continue. No reset is necessary.
ICVC PRIMARY SECONDARY MESSAGE PRIMARY CAUSE
FAULT MESSAGE
STATE
100 PRESTART STARTS LIMIT
ALERT EXCEEDED
101 PRESTART HIGH BEARING TEMP
ALERT
102 PRESTART HIGH MOTOR
ALERT TEMPERATURE
103 PRESTART HIGH DISCHARGE TEMP 103->Comp Discharge Temp
ALERT
104 PRESTART LOW REFRIGERANT
ALERT TEMP
105 PRESTART LOW OIL
ALERT TEMPERATURE
106 PRESTART HIGH CONDENSER
ALERT PRESSURE
107 PRESTART LOW LINE VOLTAGE
ALERT
108 PRESTART HIGH LINE VOLTAGE
ALERT
109 PRESTART GUIDE VANE
ALERT CALIBRATION
110 PRESTART HIGH RECTIFIER TEMP
ALERT
111 PRESTART HIGH INVERTER TEMP
ALERT
* [LIMIT] is shown on the ICVC as the temperature, pressure, voltage, etc., setpoint predefined or selected by the operator as an override, alert, or alarm condition.
[VALUE] is the actual pressure, temperature, voltage, etc., at which the control is tripped.
E. START-UP IN PROGRESS
PRIMARY MESSAGE
STARTUP IN PROGRESS
STARTUP IN PROGRESS
STARTUP IN PROGRESS
AUTORESTART IN PROGRESS
AUTORESTART IN PROGRESS
AUTORESTART IN PROGRESS
F. NORMAL RUN
PRIMARY MESSAGE
RUNNING - RESET ACTIVE
RUNNING - RESET ACTIVE
RUNNING - RESET ACTIVE
RUNNING - TEMP CONTROL
RUNNING - TEMP CONTROL
RUNNING - TEMP CONTROL
RUNNING - DEMAND LIMITED
RUNNING - DEMAND LIMITED
RUNNING - DEMAND LIMITED
RUNNING - DEMAND LIMITED
RUNNING - DEMAND LIMITED
RUNNING - TEMP CONTROL
RUNNING - DEMAND LIMITED
RUNNING - TEMP CONTROL
RUNNING - DEMAND LIMITED
RUNNING - DEMAND LIMITED
58
Table 10 - Alarm and alert messages (continued)
100->Excessive compressor starts
(8 in 12 hours)
101->Comp Thrust Brg Temp
[VALUE] exceeded limit of [LIMIT]*.
102->Comp Motor Winding Temp
[VALUE] exceeded limit of [LIMIT]*.
[VALUE] exceeded limit of [LIMIT]*.
104->Evaporator Refrig Temp
[VALUE] exceeded limit of [LIMIT]*.
105->Oil Sump Temp [VALUE]
exceeded limit of [LIMIT]*.
106->Condenser Pressure [VALUE]
exceeded limit of [LIMIT]*.
107->Percent Line Voltage [VALUE]
exceeded limit of [LIMIT]*.
108->Percent Line Voltage [VALUE]
exceeded limit of [LIMIT]*.
109->Actual Guide Vane Pos
Calibration required before start-up*.
110->Rectifier Temperature [VALUE]
exceeded limit of [LIMIT]*.
111->Inverter Temperature [VALUE]
exceeded limit of [LIMIT]*.
SECONDARY MESSAGE
OCCUPIED MODE
REMOTE CONTACT CLOSED
START COMMAND IN EFFECT Chiller is starting. Chiller START/STOP in MAINSTAT manually forced to start.
OCCUPIED MODE
REMOTE CONTACT CLOSED
START COMMAND IN EFFECT Chiller is starting after power failure. Chiller START/STOP on MAINSTAT screen manually
SECONDARY MESSAGE
BY 4-20 mA SIGNAL
REMOTE TEMP SENSOR
CHW TEMP DIFFERENCE
LEAVING CHILLED WATER
ENTERING CHILLED WATER
TEMPERATURE RAMP LOADING Ramp Loading in effect. Use RAMP_DEM screen to modify.
BY DEMAND RAMP LOADING
BY LOCAL DEMAND SETPOINT
BY 4-20 mA SIGNAL
BY CCN SIGNAL
BY LOADSHED/REDLINE
HOT GAS BYPASS
BY LOCAL SIGNAL
ICE BUILD MODE
MOTOR LOAD CURRENT
VFD LINE CURRENT
ADDITIONAL CAUSE/REMEDY
Depress the RESET softkey if additional start is required. Reassess start-
up requirements.
Check oil heater for proper operation.
Check for low oil level, partially closed oil supply valves, clogged oil filters.
Check the sensor wiring and accuracy.
Check Comp Thrust Brg Alert setting in SETUP1 screen.
Check motor temperature sensors for wiring and accuracy.
Check motor cooling line for proper operation, or restrictions.
Check for excessive starts within a short time span.
Check Comp Motor Temperature Override setting in SETUP1 screen.
Allow discharge sensor to cool.
Check sensor wiring and accuracy.
Check for excessive starts.
Check Comp Discharge Alert setting in SETUP1 screen.
Check transducer wiring and accuracy.
Check for low chilled fluid supply temperature.
Check refrigerant charge.
Check Refrig Override Delta T in SETUP1 screen.
Check oil heater contactor/relay and power.
Check oil level and oil pump operation.
Check transducer wiring and accuracy.
Check for high condenser water temperature.
Check high condenser pressure switch wiring.
Check voltage supply.
Check voltage transformers and switch gear.
Consult power utility if voltage is low..
Check voltage supply.
Check voltage transformer.
Consult power utility if voltage is high.
Press STOP button on ICVC and perform Guide Vane Calibration in
Controls Test screen.
Check guide vane actuator feedback potentiometer.
Check that VFD refrigerant isolation valves are open.
Check VFD refrigerant cooling solenoid and refrigerant strainer.
Check for proper VFD cooling fan operation and blockage.
Check that VFD refrigerant isolation valves are open.
Check VFD refrigerant cooling solenoid and refrigerant strainer.
Check for proper VFD cooling fan operation and blockage.
CAUSE/REMEDY
Chiller is starting. Time schedule is Occupied.
Chiller is starting. Remote contacts are Enabled and Closed.
Chiller is starting after power failure. Time schedule is Occupied.
Chiller is starting after power failure. Remote contacts are Enabled and Closed..
forced to start.
CAUSE/REMEDY
Auto chilled water reset active based on external input.
Auto chilled water reset active based on external input.
Auto chilled water reset active based on CHW Delta T in TEMP_CTL screen.
Default method of temperature control.
Entering Chilled Water control enabled in TEMP_CTL screen.
Ramp Loading in effect. Use RAMP_DEM screen to modify.
Demand limit setpoint is less than actual demand.
Demand limit is active based on external auto demand limit option.
Demand limit is active based on control limit signal from CCN.
Demand limit is active based on LOADSHED screen set-up.
Hot gas bypass valve is energised (open). See Surge prevention description.
Active demand limit manually overridden on MAINSTAT table.
Chiller is running under Ice Build temperature control.
Chiller has reached 100% of Load Current Rating during normal operation.
Chiller has reached 100% of Line Current Rating during normal operation.