Carrier SmartVu control User Manual

SRDC-UG-2-14-000
REVISION
DATE
PAGE
19 Series Carrier®
SmartVu
TM
–
Controls IOM
2.3
Dec 4, 2020
108 OF 168
108
Check diffuser schedule and guide vane
schedule in SRD Configuration screen.
Check for proper operation of diffuser and
inlet guide vane actuators including inlet
guide vane calibration.
Check diffuser actuator coupling for
rotational slip.
Check for electrical noise in IOB Diffuser
Pressure wiring. Do not continue to
operate compressor except for diagnostic
purposes.
Alm-265
ALM-265 Protective
Limit - Refrigerant Leak
Manual
As above
REFRIGERANT LEAK OPTION is
Enabled and the REFRIGERANT LEAK
SENSOR output exceeded
REFRIGERANT LEAK ALARM mA.
Check for refrigerant leaks. Check leak
detector for proper operation. Check
REFRIGERANT LEAK ALARM mA setting
in the OPTIONS screen. Check 4-20 mA
or 1-5 V output from refrigerant leak
sensor to IOB J15-5Confirm that IOB SW2
dip switch 1 is in the correct position.
Alm-266
ALM-266 Protective
Limit - IOB Low
Voltage
Automatic
As above
Check IOB 24VAC power supply and the
transformer output voltage
Alm-267
ALM-267 Protective
Limit - Guide Vane 1
Fault
Manual
As above
Alarm before start indicates guide vane
opening has not closed to less than 4%.
Alarm while running indicates guide vane
position is < -1% or > 103%. Enter Quick
Calibration and conduct Guide Vane
Calibration. Check wiring between the
guide vane feedback potentiometer and
IOB terminals. Check the ohm guide vane
position feedback potentiometer or 4-
20mA current
Alm-268
ALM-268 Protective
Limit - Damper Valve
Fault
Manual
As above
Check damper valve wirings
Alm-269
ALM-269 Protective
Limit - Envelope
Control Valve Fault
Manual
As above
Check Envelope Control valve wirings
Alm-270
ALM-270 Protective
Limit - High Cond
Water Flow
Manual
As above
Check condenser water pressure sensor
and wirings
Alm-271
ALM-271 Protective
Limit - Emergency Stop
Automatic
As above
Check EMSTOP command form network
and the remote stop dry contact from IOB
Alm-272
ALM-272 Protective
Limit - ISM Config
Conflict
Automatic
As above
Configuration data in controller and ISM
are mismatch.
In maintains menu, choose “maintains
ISM config” ->“Delete ISM config”
NO – upload ISM configuration data to
HMI
YES– download ISM configuration to ISM
Alm-273
ALM-273 Protective
Limit - Swift Restarts
Limit Exceeded
Manual
As above
Check the reason why swift restart
happens so frequently.
Alm-274
ALM-274 Protective
Limit –Chiller Lockout
Automatic
As above
Check chiller lockout input in IOB
Alm-275
ALM-275 Protective
Limit – Fire Alarm
Automatic
As above
Check fire alarm input in IOB
Alm-276
ALM-276 Protective
Limit –Stop Override
Manual
As above
Check stop override point status in
GENUNIT table

Carrier SmartVu control Specifications

General

Brand	Carrier
Model	SmartVu control
Category	Control Panel
Language	English