Carrier AquaForce 30XV140 Controls, Start-Up, Operation, Service And Troubleshooting Instructions page 108

Variable speed air-cooled liquid chillers with greenspeed intelligence and touch pilot controls
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ALARM
ALARM NAME
CODE
15001 Evaporator Entering
Tested when the unit is On or Off
Fluid Thermistor
Alarm will trip if the temperature
measured by the evaporator entering
fluid sensor is outside the range of –
40 to 240 F (–40 to 116 C)
15002 Evaporator Leaving
Tested when the unit is On or Off
Fluid Thermistor
Alarm will trip if the temperature
measured by the evaporator entering
fluid sensor is outside the range of –
40 to 240 F (–40 to 116 C)
15010 OAT Thermistor
Tested when the unit is On or Off
Failure
Alarm will trip if the temperature
measured by the evaporator entering
fluid sensor is outside the range of -
40 to 240 F (–40 to 116 C)
15011 Dual Chiller Therm-
Tested when the unit is On or Off
istor Failure
Alarm will trip if the temperature
measured by the evaporator entering
fluid sensor is outside the range of -
40 to 240 F (–40 to 116 C)
15012 Circuit A Suction
Tested when the circuit is On or Off
Gas Thermistor
Alarm will trip if the circuit suction
gas sensor reading is outside the
15013 Circuit B Suction
range of –40 to 240 F
Gas Thermistor
(–40 to 116 C)
15015 Circuit A Discharge
Tested when the circuit is On or Off
Gas Thermistor
Alarm will trip if the discharge gas
sensor reading is outside the range
15016 Circuit B Discharge
of –40 to 240 F
Gas Thermistor
(–40 to 116 C)
15018 Circuit A Condenser
Tested when the circuit is On or Off
Subcooling Liquid
Alarm will trip if the condenser sub-
Thermistor
cooling liquid sensor reading is out-
side the range of –40 to 240 F (–40
15019 Circuit B Condenser
to 116 C)
Subcooling Liquid
Thermistor
15021 Space Temperature
Tested when the circuit is On or Off
Thermistor
Alarm will trip if the space tempera-
ture sensor reading is outside the
range of –40 to 240 F
(–40 to 116 C)
15024 Circuit A Economizer
Tested when the circuit is On or Off
Gas Thermistor
Alarm will trip if the sensor reading is
outside the range of –40 to 240 F (–
15025 Circuit B Economizer
40 to 116 C)
Gas Thermistor
15033 Circuit A Compres-
Tested when the circuit is On or Off
sor Motor Thermistor
Alarm will trip if the motor tempera-
ture sensor reading is outside the
15034 Circuit B Compres-
range of –40 to 240 F
sor Motor Thermistor
(–40 to 116 C)
17nnn Compressor VFD
Compressor VFD Circuit A fault (see
Error, Circuit A
VFD Alarms and Alerts section)
18nnn Compressor VFD
Compressor VFD Circuit B fault (see
Error, Circuit B
VFD Alarms and Alerts section)
20nnn Fan A1 VFD Error,
Fan A1 VFD Circuit A fault (see VFD
Circuit A
Alarms and Alerts section)
21nnn Fan A2 VFD Error,
Fan A2 VFD Circuit A fault (see VFD
Circuit A
Alarms and Alerts section)
2101
Compressor B Motor
Tested when the compressor is ON
temperature too high
or OFF.
The alarm is set if compressor motor
temperature CP_TMP_A or
CP_TMP_B > 275 F (135 C).
2103
Compressor B High
Tested when the compressor is ON
Pressure Switch pro-
or OFF. The alarm is set when the
tection
Safe Stop DI-37 of the compressor
drive is opened (terminal 37 on the
compressor VFD).
23nnn Fan B1 VFD Error,
Fan B1 VFD Circuit B fault (see VFD
Circuit B
Alarms and Alerts section on
page 111)
24nnn Fan B2 VFD Error,
Fan B2 VFD Circuit B fault (see VFD
Circuit B
Alarms and Alerts section on
page 111)
CCN
— Carrier Comfort Network®
EMM
— Energy Management Module
EWT
— Entering Water Temperature
EXV
— Electronic Expansion Valve
LEN
— Local Equipment Network
LWT
— Leaving Water Temperature
Table 73 — Alarm Details by Code (cont)
CRITERIA
ACTION TAKEN
FOR TRIP
BY CONTROL
Unit is shut down
normally or not
allowed to start
Unit is shut down
normally or not
allowed to start
Unit is shut down
normally or not
allowed to start
Unit is shut down
normally or not
allowed to start
Circuit will be shut
down immediately
Circuit will be shut
down immediately
Circuit will be shut
down immediately
No action on the
unit
Circuit will be shut
down immediately
Circuit will be shut
down immediately
Circuit A will be shut
down
Circuit B will be shut
down
Circuit A will be shut
down
Circuit A will be shut
down
Circuit B will be shut
down
Circuit B will be shut
down
Circuit B will be shut
down
Circuit B will be shut
down
LEGEND
MOP — Maximum Operating Pressure
OAT
— Outdoor Air Temperature
SIOB — Standard Input Output Board
SST
— Saturated Suction Temperature
VFD
— Variable Frequency Drive
RESET
METHOD
Automatic, if thermistor reading
returns to normal
Automatic, if thermistor reading
returns to normal
Automatic, if thermistor reading
returns to normal
Automatic, if thermistor reading
returns to normal
Automatic, if thermistor reading
returns to normal. Affected cir-
cuit will be restarted normally.
Automatic, if thermistor reading
returns to normal. Affected cir-
cuit will be restarted normally.
Automatic, if thermistor reading
returns to normal. Affected cir-
cuit will be restarted normally.
Automatic, if thermistor reading
returns to normal
Automatic, if thermistor reading
returns to normal
Automatic, if thermistor reading
returns to normal. Affected cir-
cuit will be restarted normally.
Manual
Manual
Manual
Manual
Manual
Manual
Manual
Manual
108
POSSIBLE CAUSES/CORRECTIVE
ACTIONS
If this condition is encountered, check
the following items for faults:
- sensor wiring to the SIOB board
- faulty channel on the board
- sensor accuracy
See the Thermistors section on page 49
for thermistor description and connec-
tions
If this condition is encountered, check
the following items for faults:
- sensor wiring to the SIOB board
- faulty channel on the board
- sensor accuracy
See the Thermistors section on page 49
for thermistor description and connec-
tions
See Tables 76 and 77 for VFD Alarm
and Alert Codes
See Tables 76 and 77 for VFD Alarm
and Alert Codes
See Tables 76 and 77 for VFD Alarm
and Alert Codes
See Tables 76 and 77 for VFD Alarm
and Alert Codes
If this condition is encountered, check
the following items for faults:
- faulty wiring and loose plugs
- faulty SIOB board
- faulty compressor temperature thermistor
If this condition is encountered, check
the following items for faults:
- condenser fans and motors for proper
rotation and operation
- compressor operating beyond the limits
of the operating envelope
- faulty high pressure switch or wiring
(terminals 12 and 37 in VFD)
- plugged/fouled condenser coil
- excessive charge
See Tables 76 and 77 for VFD Alarm
and Alert Codes
See Tables 76 and 77 for VFD Alarm
and Alert Codes

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