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

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Table 4 — ICVC Alert Codes (cont)

CHILLER ALERTS (cont)

	ICVC FAULT	PRIMARY	SECONDARY	PRIMARY CAUSE	ADDITIONAL CAUSE/REMEDY
	STATE	MESSAGE	MESSAGE	PRIMARY CAUSE	ADDITIONAL CAUSE/REMEDY
	STATE	MESSAGE	MESSAGE
	159	SENSOR ALERT	SPARE TEMPERATURE	159→Spare 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	161→WSM 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	162→Evaporator 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	163→Condenser 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	164→Actual 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	165→Low 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	166→High 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	167→Comp 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	168→Sensor 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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Contents

Start-Up and Service Instructions Contents A19-1814 A19-1831A19-1842 A19-1833 A191832 Wire Lugs A19-1834A19 1846 VFD ConfigurationsParameter Default Value A19-1921 TB1 I/O Terminal Designations1815 A19-1835A19-1836 Enet Drive Status Indicator DescriptionsName Color State Description LinkA19-1844 A19-1925Prestart Icvc Alert CodesMessage AlertRUN Capacity LimitedSensor Alert FaultPrimary Secondary Primary Cause Additional CAUSE/REMEDY LOW OILVFD Speed Alert LossCommunication System AlertIcvc Alarm Codes Failure to StopProtective Limit 235 233234 236Unused Unused StateSensor Fault VFD GatewayCode Fault Type Description Corrective Action On VFDVFD Hist Screen None113 Hist ScreenNone 124Diode Checks Meter Lead Meter ReadingA19-1814Fig Check DC Bus Terminals A19-1831Fig Open Access DoorFrames 6 and 7 Power Terminal Block A19-1816Fig Removing EnclosureA19-1817A19-1818 A19-1837A19-1838 Comm Card A19-1819CB2 FU1-FU3 PT1 Secondary Side Toward Door A19-1847CR1 EA1 Line CR6 CB1 TB4 TB4 Dist SideA19-1848 Frame 6 PartsAppendix a Wiring Schematics Chiller Control Schematic A19-1946RHS A19-1947Hgbp UPCA19-1966 A19-1967 ShldA48-8578 A48-8579Table B Baud Selection Table Appendix B Optional Bacnet Communications WiringTable a SW3 Protocol Switch Settings For MS/TP A48 8580Table C MS/TP Wiring Recommendations A48-8582CMP Wiring Specifications Recommended Vendors and Part NumbersRmcorp LED Status Table E LED Status IndicatorsRUN LED Error LED Status RunObject ID Object Name CHW Page Copyright 2011 Carrier Corporation