Table 4 — ICVC Alert Codes (cont)

CHILLER ALERTS (cont)

ICVC FAULT

PRIMARY

SECONDARY

PRIMARY CAUSE

ADDITIONAL CAUSE/REMEDY

STATE

MESSAGE

MESSAGE

 

 

159

SENSOR ALERT

SPARE TEMPERATURE

159Spare Temperature 2

Check sensor resistance or voltage drop.

 

 

#2

[VALUE] exceeded limit of

Check for proper wiring to CCM connector J4.

 

 

 

[LIMIT]*.

Check Spare Temp #2 Limit in SETUP1 screen.

161

LOSS OF

WITH WSM

161WSM Cool Source —

Check settings in WSMDEFME screen.

 

COMMUNICATION

 

Loss of Communication.

Check CCN communications link with WSM

 

 

 

 

(Water System Manager) Module.

 

 

 

 

Check Supervisory Part of WSM.

162

SENSOR ALERT

EVAPORATOR

162Evaporator Approach

Check that refrigerant charge level is adequate,

 

 

APPROACH

[VALUE] Exceeded Limit of

waterbox division plate gaskets are sealing,

 

 

 

[LIMIT]*.

evaporator tubes are not fouled and that oil

 

 

 

 

reclaim system is working.

 

 

 

 

Check sensor resistance or voltage drop.

 

 

 

 

Check for proper wiring.

 

 

 

 

Check Evap Approach Alert setting in SETUP1

 

 

 

 

screen.

163

SENSOR ALERT

CONDENSER APPROACH

163Condenser Approach

Check sensors resistance or voltage drop.

 

 

 

[VALUE] Exceeded Limit of

Check for proper wiring.

 

 

 

[LIMIT]*.

Check Cond Approach Alert setting in SETUP1

 

 

 

 

screen.

 

 

 

 

Check for noncondensable gas in the

 

 

 

 

condenser.

 

 

 

 

Check that the condenser tubes are not fouled.

164

VFD SPEED ALERT

LOW VFD SPEED

164Actual VFD Speed

Actual VFD Speed on COMPRESS screen must

 

 

 

exceeded limit of Target VFD

be at least 90% of Target VFD Speed.

 

 

 

Speed –10%.

 

165

AUTORESTART

LOW DC BUS VOLTAGE

165Low DC Bus Voltage:

Verify phase to phase and phase to ground line

 

PENDING

 

[VALUE] Exceeded Limit of

voltage.

 

 

 

[LIMIT]*.

 

166

AUTORESTART

HIGH DC BUS VOLTAGE

166High DC Bus Voltage:

Verify phase to phase and phase to ground line

 

PENDING

 

[VALUE] Exceeded Limit of

voltage. Monitor AC line for high transient volt-

 

 

 

[LIMIT]*.

age conditions.

167

SYSTEM ALERT

HIGH DISCHARGE TEMP

167Comp Discharge Temp

Check sensor resistance or voltage drop.

 

 

 

[VALUE] exceeded limit of

Check for proper wiring.

 

 

 

[LIMIT]*.

Check for excessive starts.

 

 

 

 

Check Comp Discharge Alert setting in SETUP1

 

 

 

 

screen.

168

SENSOR ALERT

HUMIDITY SENSOR

168Sensor Fault: Check

Check humidity sensor wiring on CCM connec-

 

 

INPUT

Humidity Sensor Input Sensor.

tors J3 and J5. CCM switch SW2-1 must be in

 

 

 

 

“OFF” position.

 

 

 

 

Check Humidity Sensor Input in Controls Test.

*[LIMIT] is shown on the ICVC as the temperature, pressure, voltage, etc., set point 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 tripped.

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Carrier 19XRV specifications Loss, Communication, VFD Speed Alert, System Alert

19XRV specifications

The Carrier 19XRV is a cutting-edge rooftop chiller designed to provide reliable and efficient cooling solutions for a wide range of applications, including commercial buildings and industrial facilities. This advanced system integrates the latest technologies and innovative features to ensure optimal performance, energy efficiency, and ease of use.

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