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
104 OF 168
104
Check for disconnected, grounded, or
shorted wiring. Check for condensation in
transducer connector.
Alm-218
ALM-218 Sensor Fault
- Diffuser Pressure
As above
As above
Check Diffuser pressure transducer wiring.
Confirm that 5 V reference signal is
available between IOB connector. Check
for disconnected, grounded, or shorted
wiring. Check for condensation in
transducer connector.
Alm-219
ALM-219 Sensor Fault
- Oil Sump Pressure
As above
As above
Check Oil Sump pressure transducer
wiring. Confirm that 5 V reference signal
is available between IOB connector.
Check for disconnected, grounded, or
shorted wiring. Check for condensation in
transducer connector.
Alm-220
ALM-220 Sensor Fault
- Oil Supply Pressure
As above
As above
Check Oil Supply pressure transducer
wiring. Confirm that 5 V reference signal
is available between IOB connectors.
Check for disconnected, grounded, or
shorted wiring. Check for condensation in
transducer connector.
Alm-225
ALM-225 Sensor Fault
– Pump Inlet Pressure
As above
As above
Check Pump Inlet pressure transducer
wiring. Confirm that 5 V reference signal
is available between IOB connectors.
Check for disconnected, grounded, or
shorted wiring. Check for condensation in
transducer connector.
Alm-226
ALM-226 Sensor Fault
– Bearing Inlet
Pressure
As above
As above
Check Bearing Inlet pressure transducer
wiring. Confirm that 5 V reference signal
is available between IOB connectors.
Check for disconnected, grounded, or
shorted wiring. Check for condensation in
transducer connector.
Prestart failure
Alm-230
ALM-230 Prestart
Failure - High Bearing
Temperature
Manual
Unit shuts
down.
Compressor
is not
allowed to
start
During prestart process,
if all of the bearing temperature sensors
are in the range
AND
{
For 19XR6&7 and 19XRF chiller,
if MTRB1 or MTRB2 or MTRB3 or MTRB4
is larger than tb_alt2 minus 10F
OR
For 19XR2~5/C/D/E/V chiller,
if MTRB is larger than tb_alert minus 10F
OR
For 19DV chiller,
if CBH1 or CBH2 is larger than tb_alt3
minus 10F
}
Alm-231
ALM-231 Prestart
Failure - High Motor
Temperature
As above
As above
Check Comp Motor Wind Temp in
Temperature screen.
Check motor temperature sensor for wiring
and accuracy to IOB connector.
Check motor cooling line and isolation
valves for proper operation, or restrictions,
check refrigerant filter/drier.
Check for excessive starts within a short
time span.
Check Comp Motor Temp Override
setting.
Alm-232
ALM-232 Prestart
Failure - High
Discharge Temp
As above
As above
Check Comp Discharge Temp in screen.
Allow compressor discharge temperature
sensor to cool.

Carrier SmartVu control Specifications

General

Brand	Carrier
Model	SmartVu control
Category	Control Panel
Language	English