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Carrier 30GK manual Pro-Dialog Plus Control Operation, Diagnostics - Troubleshooting

Models: 30GK

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5 - PRO-DIALOG PLUS CONTROL OPERATION			27
5.1	- Start/stop control		27
5.2	- Heating/cooling selection		27
5.3	- Evaporator water pump control		28
5.4	- Condenser water pump control		28
5.5	- Control interlock contact		28
5.6	- Evaporator heater control		28
5.7		- Control point	28
	5.7.1 - Active setpoint		28
	5.7.2 - Reset		28
5.8 - Demand limit			29
5.9		- Capacity control	29
5.10		- Determining the lead circuit	29
5.11 - Circuit loading sequence			29
5.12		- Slave compressor start-up sequence	30
5.13		- Controlling the EXV	30
5.14		- Head pressure control on air-cooled units	30
5.15		- Head pressure control on water-cooled units	30
5.16 - Active setpoint selection			30
5.17		- High pressure load shedding function	31
5.18 - Pumping down			31
5.19		- Master/slave assembly	31
5.20		- Controlling Pro-Dialog Plus units with a System Manager	31
5.21		- Optional heat reclaim module	32

6 - DIAGNOSTICS - TROUBLESHOOTING		32
6.1	- General	32
6.2	- Displaying alarms	32
6.3	- Resetting alarms	32
6.4	- Alarm codes	33

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Carrier 30GK manual Pro-Dialog Plus Control Operation, Diagnostics - Troubleshooting

Contents

Installation, operation and maintenance instructions 30GK Series PRO-DIALOG ControlAir-Cooled Liquid Chillers 50 Hz 2 - GENERAL DESCRIPTION TABLE OF CONTENTS1 - SAFETY CONSIDERATIONS 4 - SETTING UP PRO-DIALOG PLUS CONTROL5 - PRO-DIALOG PLUS CONTROL OPERATION 6 - DIAGNOSTICS - TROUBLESHOOTING1.2 - Avoiding electrocution 1 - SAFETY CONSIDERATIONS 1.1 - General2.2 - Abbreviations used 2 - GENERAL DESCRIPTION 2.1 - General3.2.2 - Slave boards 3 - HARDWARE DESCRIPTION 3.1 - General Control board3.2 - Electronic boards 3.2.1 - The basic board3.2.5 - Slave board addresses 3.2.6 - Power supply to the boards3.2.3 - The user interface 3.2.4 - Connections between boardsHeat reclaim condenser entering/leaving water temperatures Evaporator entering water temperature sensorEvaporator leaving water temperature sensor Condenser entering and leaving water temperature sensorsdemand limit. It is active, whatever the unit operating type 3.4 - User connectionsVolt-free contacts 24 V a.c function. See section 5.8. This contact is active, whatever4 - SETTING UP PRO-DIALOG PLUS CONTROL 4.1 - Local interface general featuresMain interface 4.2.3 - Starting unit and selecting an operating type 4.2 - Unit start/stop control4.2.1 - Description 4.2.2 - Stopping the unit in local mode4.3.2 - Selecting a menu item 4.3.3 - Modifying the value of a parameter/access to a sub- menu4.3 - Menus 4.3.1 - Selecting a menuTEMPERATURES 4.4 - Generalmenu structurestructure 4.5 - Menu treeNOTE The items in brackets show what is displayed on the Displayed if the alarm exists - Not in use4.5.1 - Description of the Information menu 4.5.3 - Description of the Pressures menu 4.5.2 - Description of the Temperatures menu4.5.4 - Description of the Setpoints menu 4.5.5 - Description of the Inputs menu 4.5.6 - Description of the Outputs/Tests menu 4.5.6.1 - General4.5.6.2 - Menu description Page only displayed if configuration requires 4.5.7 - Description of the Configuration menu 4.5.7.1- General4.5.7.2 - Password 4.5.6.3 - Manual testsPEriod X MEnu SUB-MENU PERIOD CONFIGURATIONSUB-MENU HOLIDAY CONFIGURATION PERIOD 1 to4.5.7.3 - Description of the User 1 Configuration sub-menu 4.5.7.5 - Description of Date and Time configuration sub menu 4.5.7.4 - Description of the User 2 Configuration sub-menuTypical timer program 4.5.7.7 - Description of the Holidays sub-menus4.5.7.8 - Description of the Broadcast sub-menu key. ‘rESET ALArM’ is then displayed. Press the select 4.5.8 - Description of the Alarms menu4.5.9 - Description of the Alarms History menu To reset all active alarms, continuously press the Enter4.5.10.1 - Description of the Runtimes 1 menu 4.5.10.3 - Maintenance menu description4.5.10 - Runtime menu description 4.5.10.2 - Description of the Runtimes 2 menu5.2 - Heating/cooling selection 5 - PRO-DIALOG PLUS CONTROL OPERATION 5.1 - Start/stop control5.4 - Condenser water pump control 5.7.2 - Reset5.3 - Evaporator water pump control 5.5 - Control interlock contact5.10 - Determining the lead circuit Demand limit by 0-10 V d.c. signal5.8 - Demand limit 5.9 - Capacity control5.15 - Head pressure control on water-cooled units 5.12 - Slave compressor start-up sequence5.13 - Controlling the EXV 5.14 - Head pressure control on air-cooled units5.20 - Controlling Pro-Dialog Plus units with a System Manager 5.19 - Master/slave assembly5.17 - High pressure load shedding function 5.18 - Pumping down6.3 - Resetting alarms Change-over procedure from cooling mode to heat reclaim mode6 - DIAGNOSTICS - TROUBLESHOOTING 6.1 - General 6.2 - Displaying alarmsReset type 6.4 - Alarm codesALARM CODE DESCRIPTIONS Alarm nameCode ALARM CODE DESCRIPTIONSAlarm name Reset typeStarter Guard 6.4.1 - Compressor faults 6.4.1.1 - GeneralDGT only for units with low-temperature option 6.4.1.2 - Compressor protection devicesOrder No. 13040-76, 05.2000. Supersedes order No. New Manufactured by Carrier S.A., Montluel, FrancePrinted in the Netherlands on totally chlorine-free paper