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Carrier 30GN040-420 Ð Keypad Directory cont HISTORY, Subfunction, Keypad Entry, Display, Comment

Models: 30GN040-420

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Table 9 Ð Keypad Directory (cont)

Table 9 Ð Keypad Directory (cont)

HISTORY

SUBFUNCTION	KEYPAD ENTRY	DISPLAY		COMMENT

1 RUN TIME		RUN TIME	Run Time Information
		HR X	Total Hrs Unit Has a Comp Operating
		HRA X	Circuit A Run Time
		HRB X	Circuit B Run Time
		HA1 X	Circuit A, Comp A1 Operating Hours
		HA2 X	Circuit A, Comp A2 Operating Hours**
		HA3 X	Circuit A, Comp A3 Operating Hours**
		HA4 X	Circuit A, Comp A4 Operating Hours**
		HB1 X	Circuit B, Comp B1 Operating Hours
		HB2 X	Circuit B, Comp B2 Operating Hours**
		HB3 X	Circuit B, Comp B3 Operating Hours**
		HB4 X	Circuit B, Comp B4 Operating Hours**

2 STARTS		STARTS	Starts Information
		CY X	Cycles from Stage 0 to Stage 1
		CYA X	Circuit A Starts
		CYB X	Circuit B Starts
		CA1 X	Circuit A, Comp A1 Starts
		CA2 X	Circuit A, Comp A2 Starts**
		CA3 X	Circuit A, Comp A3 Starts**
		CA4 X	Circuit A, Comp A4 Starts**
		CB1 X	Circuit B, Comp B1 Starts
		CB2 X	Circuit B, Comp B2 Starts**
		CB3 X	Circuit B, Comp B3 Starts**
		CB4 X	Circuit B, Comp B4 Starts**

3 ALARM/ALERT		ALRMHIST	Last 10 Alarms/Alerts
HISTORY²²		ALRMHIST	Last 10 Alarms/Alerts
HISTORY²²			}
		ALARM X
		ALARM X
		ALARM X		Alarm/Alert Description
		ALARM X
		ALARM X
		ALARM X
		ALARM X
		ALARM X
		ALARM X
		ALARM X

LEGEND

CCN Ð Carrier Comfort Network

EXV Ð Electronic Expansion Valve

MOP Ð Maximum Operating Pressure

*Will read ALARM or ALERT as appropriate. ²Must be con®gured.

**If applicable.

²²Not manually resettable.

NOTE: If metric option is selected under , temperature expressed as Celsius and pressure will be expressed as kPa.

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Carrier 30GN040-420 Ð Keypad Directory cont HISTORY, Subfunction, Keypad Entry, Display, Comment, Run Time, Starts

Contents

30GN040-420 Controls, Operation, and TroubleshootingACCESSORY UNLOADER INSTALLATION Keypad and Display ModuleMAJOR SYSTEM COMPONENTS SAFETY CONSIDERATIONSGENERAL Table 1 Ð Unit Sizes and Modular CombinationsLEGEND CCN Ð Carrier Comfort Network Fig. 1 Ð 30GN Control Panel 040-110Unit ShownTB Ð Terminal Block Keypad and Display Module Also Called HSIO OPERATION DATA Fig. 3 Ð Compressor Ground Fault ModuleCompressor Protection Control Module CPCS Table 3 Ð Thermistor and Transducer LocationsTable 4A Ð Capacity Control Steps Table 4A Ð Capacity Control Steps, 040-070cont Table 4A Ð Capacity Control Steps, 040-070cont LOADING SEQUENCE A LOADING SEQUENCE A LOADING SEQUENCE A UNIT LOADING SEQUENCE A LOADING SEQUENCE A A1*,B1 LOADING SEQUENCE A A1,kB1 LOADING SEQUENCE A LOADING SEQUENCE A LOADING SEQUENCE A LOADING SEQUENCE A LOADING SEQUENCE A LOADING SEQUENCE A Keypad and Display Module Also Called HSIO Head Pressure ControlPumpout Fig. 4 Ð Keypad and Display ModuleTable 5 Ð Condenser Fan Sequence Table 6 Ð Keypad and Display Module Usage Table 7 Ð Functions and SubfunctionsTable 8 Ð Accessing Functions and Subfunctions Table 9 Ð Keypad Directory STATUSSUBFUNCTION 6 TEMPERATURETable 9 Ð Keypad Directory cont STATUS cont KEYPAD ENTRYKEYPAD ENTRY Table 9 Ð Keypad Directory cont STATUS contSUBFUNCTION DISPLAYTable 9 Ð Keypad Directory cont STATUS cont TESTTable 9 Ð Keypad Directory cont TEST cont SCHEDULESERVICE Table 9 Ð Keypad Directory cont SCHEDULE contTable 9 Ð Keypad Directory cont SERVICE cont SUBFUNCTION 3 ALARM/ALERTTable 9 Ð Keypad Directory cont HISTORY KEYPAD ENTRYTable 9 Ð Keypad Directory cont SET POINT Example 1 Ð Reading Alarm Codes Example 2 Ð Reading Current Operating ModesTable 10 Ð Operational and Mode Display Codes Chilled Fluid Set Point Example 3 Ð Using Test FunctionReset Set Points Pulldown Set PointExample 4 Ð Reading and Changing Example 5A Ð External ResetTable 11 Ð Reset Amounts Chilled Fluid Set PointFig. 5 Ð Cooling Return Fluid Reset Externally Powered ResetExample 5C Ð Using Return Fluid Temperature Reset Example 5B Ð 4 to 20 mA and Internally orÐ Switch Fig. 6 Ð Cooling External Temperature ResetÐ Power COMM Ð Communications BusTable 12 Ð Service Functions Fig. 8 Ð 4-20mA Cooling Temperature ResetExample 6 Ð Changing Reset Type Externally poweredExample 8 Ð Setting Time of Day and Day of Week To Disable Demand LimitExample 7B Ð Using Demand Limit 4-20mA First Log On As Shown in TableFig. 9 Ð 4-20mA Demand Limiting To change a conguration enter the new conguration Table 14 Ð Adjustable Field CongurationsTable 13 Ð Factory Conguration Keystrokes and press while on the correct congurationExample 9 Ð Using the Schedule Function Example 9 Ð Using the Schedule Function contExample 10 Ð Holiday Schedule Function TROUBLESHOOTINGFig. 10 Ð Sample Time Schedule Cooling load satised Table 16 Ð Alarm and Alert Codes Table 16 Ð Alarm and Alert Codes cont Fig. 11A Ð 24-VSafety Circuit Wiring Code 30 Reset input failure 4 to 20 mA alert Loss of communication can be attributed to a grounded transformer with a secondary voltage of 21 vac supplying the PSIO, DSIO-LV,or 4 IN/4 OUT the 12.5-vactrans- former supplying the DSIO-EXVmodule, or the 24-vactrans- former supplying PS1 for the transformers. These transformers should not be grounded, or serious damage to controls can result. Check to be sure the transformers are not grounded Code 42 Cooler freeze protection alarm Electronic Expansion Valve EXV Fig. 12 Ð Electronic Expansion Valve EXVFig. 13 Ð EXV Cable Connections to EXV Driver Module, DSIO EXV6.Check operation of EXV TEMPERATURE TEMPERATURE 1.Disconnect transducer from the system ALL UNITS AND FLUID-SIDETEMPERATURE FLUID-SIDETEMPERATURE THERMISTOR T2COMPRESSOR SUCTION GAS TEMPERATURE Fig. 15 Ð Thermistor LocationsTRANSDUCER REPLACEMENT Control Modules Fig. 20 Ð Processor Module PSIO ACCESSORY UNLOADER INSTALLATIONFig. 19 Ð Sensor Bus Wiring Communications Fig. 21 Ð Low-VoltageRelay Module DSIOInstallation Fig. 22 Ð 4 In/4 Out Module SIOTable 19 Ð Troubleshooting Table 20 Ð Standard and Accessory UnloadersPress 3.Wire in the solenoid valvespad display reads OUTPUTS. Press until display The keypad LCD will displaySee Table Fig. 30 Ð Remote Reset from 4-20mA Signal Switch InputsFig. 26 − Demand Limit Ð 4-20mA Signal Externally PoweredREPLACING DEFECTIVE PROCESSOR MODULE InstallationFig. 34 Ð Remote Alarm Fig. 35 Ð InterlocksPage Copyright 1995 Carrier Corporation