Carrier PRO-DIALOG PLUS 30RW Manual
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Carrier PRO-DIALOG PLUS 30RW Manual

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30RW - 30RWA
PRO-DIALOG
Control
AQUASNAP
Operation and maintenance instructions

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Summary of Contents for Carrier PRO-DIALOG PLUS 30RW

  • Page 1 30RW - 30RWA PRO-DIALOG Control AQUASNAP Operation and maintenance instructions...
  • Page 2 The cover graphics are solely for illustration and forms no part of any offer for sale or any sale contract. The manufacturer reserves the right to change the design at any time without notice.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS 1 - SAFETY CONSIDERATIONS ..............................4 1.1 - General ....................................4 1.2 - Avoid electrocution ................................4 2 - GENERAL DESCRIPTION ..............................4 2.1 - General ....................................4 2.2 - Abbreviations used ................................4 3 - HARDWARE DESCRIPTION ..............................5 3.1 - General ....................................

  • Page 4: Safety Considerations

    • CCN mode: the machine is controlled by commands from carefully and set them down gently. the Carrier Comfort Network (CCN). In this case, a data communication cable is used to connect the unit to the 1.2 - Avoid electrocution CCN communication bus.

  • Page 5: Hardware Description

    3 - HARDWARE DESCRIPTION 3.2 - Electrical supply to boards 3.1 - General All boards are supplied from a common 24 V a.c. supply referred to earth. Figure 1 - Control board CAUTION: Maintain the correct polarity when connecting the power supply to the boards, otherwise the boards may be damaged.

  • Page 6: The Controls

    3.5 - The controls 3.6 - Connections at the user's terminal block Evaporator pump 3.6.1 - General description The controller can regulate one or two evaporator pumps and The contacts below are available at the user's terminal block on takes care of the automatic change-over between pumps. the NRCP-BASE board (see figure 1).
  • Page 7 DUAL-CIRCUIT UNITS Description Connector/channel Terminal Board Remarks Remarks Alarm relay output J3 / CH24 30A - 31A Master NRCP- Indicates alarms, circuit A Volt-free contact 24 V a.c. circuit A BASE 48 V d.c. max, 20 V a.c. or min. 20 V d.c., 3 A max, 80 Alarm relay output J3 / CH24 30B - 31B...

  • Page 8: Setting Up Pro-Dialog Plus Control

    4 - SETTING UP PRO-DIALOG PLUS CONTROL 4.1 - Local interface general features MAIN INTERFACE SUMMARY INTERFACE MAIN INTERFACE SUMMARY INTERFACE MENU BLOCK DUAL-CIRCUIT 30RWA INTERFACE MENU BLOCK DUAL-CIRCUIT 30RW INTERFACE The local interface enables a number of operating parameters to Main interface be displayed and modified.

  • Page 9: Unit Start/Stop Control

    The summary interface (right hand section) includes a mimic The following operating types can be selected using the diagram of the unit, together with push-buttons and LEDs. It Start/Stop button: gives quick access to the main operating parameters of the unit. OPERATING TYPES 4 DIGIT DISPLAY DESCRIPTION...

  • Page 10: Menus

    4.3 - Menus 4.3.3 - Modifying the value of a parameter/access to a sub- menu 4.3.1 - Selecting a menu Press the Enter button for more than 2 seconds to enter the The MENU button authorises you to select a menu from the 10 modification mode or to select a sub-menu.
  • Page 11 MODIFYING THE VALUE OF A PARAMETER OPERATION PRESS BUTTON MENU LED ITEM NUMBER ITEM VALUE 2-DIGIT DISPLAY 4-DIGIT DISPLAY Hold on the MENU button until the LED for SETPOINT lights. Press one of the Arrow buttons until the two-digit display shows 1 (item number 1- cooling setpoint 2).
  • Page 12 MAIN MENUS STATUS TEMPERATURES PRESSURES SETPOINTS INPUTS OUTPUTS CONFIGURATION ALARMS ALARMS HISTORY ALARMS SUB-MENUS SERVICE FACTORY RUNTIME 1 RUNTIME 2 MAINTENANCE USER [SErviCE] [FACtorY] [RuntiME 1] [RuntiME 2] [MAintEnAnCE] [USEr] SUB-SUB-MENUS USER 1 USER 2 SCHEDULE 1 SCHEDULE 2 HOLIDAYS HOUR + DATE BROADCAST SERVICE 1...
  • Page 13 SETPOINTS OUTPUTS ITEM STATUS TEMP PRESSURES INPUTS CONFIG ALARMS ALARMS HIST RUNTIMES Default display Evaporator water Discharge pressure Cooling setpoint 1 Contact 1: on/off Compressor status SUB-MENU: User Number of active Historic alarm code SUB-MENU: entering temp. circuit A circuit A Configuration (USEr) alarms/resets** Runtimes 1...
  • Page 14 4.3.5 - Description of the Information menu INFORMATION MENU (3) ITEM FORMAT UNITS DESCRIPTION Automatic display mode. It cycles through the following displays: ±nn.n °C Controlled water temperature: temperature of the water that the unit tries to maintain at the control point. Unit operating type LOFF Local Off...
  • Page 15 INFORMATION MENU (3) continued ITEM FORMAT UNITS DESCRIPTION ±nn.n °C Active setpoint. This is the current cooling/heating setpoint: it refers to cooling setpoint 1 or cooling/heating setpoint 2. See section 5.6.1. ±nn.n Control point. This is the setpoint used by the controller to adjust the temperature of the leaving or entering water (according to Forc °C configuration).
  • Page 16 4.3.6 - Description of the Temperatures menu 4.3.7 - Description of the Pressures menu TEMPERATURES MENU [2] PRESSURES MENU [2] ITEM FORMAT UNITS COMMENTS ITEM FORMAT UNITS COMMENTS ±nn.n °C Evaporator entering water temperature nnnn Discharge pressure, circuit A. Relative pressure. ±nn.n °C Evaporator leaving water temperature...
  • Page 17 LEAVING WATER TEMPERATURE CONTROL RESET THRESHOLDS IN COOLING OR HEATING MODE SETPOINT - °C R-407C Reset threshold Zero Full Minimum cooling value Reset based on outdoor -10 to 51 °C -10 to 51 °C Water air temperature Medium brine Reset based on 0 to 11.1 °C 0 to 11.1 °C Brine...
  • Page 18 4.3.10 - Description of the Outputs/Tests menu 4.3.10.1 - General This menu displays the status of the controller outputs. More- over, when the machine is fully stopped (LOFF) the outputs can be activated for manual tests (the access to the tests is password controlled).
  • Page 19 4.3.10.3 - Tests CONFIGURATION This function allows the user to test the outputs individually, if the machine is completely shut down (LOFF). To carry out a USER [USEr] manual test use the arrow keys to access the output to be tested and press the Enter key (longer than 2 seconds) to activate the USER1 USER2...
  • Page 20 SUB-MENU USER CONFIGURATION ITEM USER 1 USER 2 DATE SCHEDULE 1 SCHEDULE 2 HOLIDAYS BROADCAST [USER1] [USER2]* [dAtE]* [ScHEduLE 1MEnu]* [ScHEduLE 2 MEnu]* [HOLidAy MEnu]* [BrodCASt]* Return to previous menu Return to previous Return to previous Return to previous menu Return to previous Return to previous menu Return to previous menu...
  • Page 21 4.3.11.3 - Description of the User 1 Configuration sub-menu USER 1 CONFIGURATION SUB-MENU [2] ITEM FORMAT UNITS DEFAULT COMMENTS USEr MEnu When selected this item authorises return to the previous menu. 1 [1] 0/1/2 Circuit sequence selection (two-circuit units). 0 = Balanced circuit loading 1 = Circuit A first 2 = Circuit B first 2 [1]...
  • Page 22 4.3.11.4 - Description of the User 2 Configuration sub-menu This menu is only accessible if the unit is equipped with an optional CCN/clock board USER 1 CONFIGURATION SUB-MENU ITEM FORMAT UNITS DEFAULT COMMENTS USEr 2 Menu When selected this item authorises return to the previous menu. 1[1] YES/no Periodic pump quick-start of the water pump(s)
  • Page 23 Program is in unoccupied mode unless a schedule time period 4.3.11.7 - Description of the Holidays sub-menus is in effect. If two periods overlap and are both active on the This function is used to define 16 public holiday periods. Each same day, the occupied mode takes priority over the period is defined with the aid of three parameters: the month, unoccupied period.
  • Page 24 HOLIDAY PERIOD X CONFIGURATION SUB-MENUS (X = 1 TO 16) 4.3.11.8 - Description of the Broadcast sub-menu ITEM # FORMAT COMMENTS The controller provides a broadcast configuration menu which HoLidAy X Sub-menu When selected this item authorises a return you can use to configure the unit to be the CCN’s broadcaster, to the configuration menu.
  • Page 25 4.3.12 - Description of the Alarms menu 4.3.14.1 - Description of the Runtimes 1 menu This menu is used to display and reset up to 5 active alarms. It also permits alarm reset. If no alarm is active this menu is not RUNTIMES MENU [2] accessible.

  • Page 26: Pro-Dialog Plus Control Operation

    5 - PRO-DIALOG PLUS CONTROL OPERATION 4.3.14.3 - Maintenance menu description To be active, the maintenance function must be preset in the 5.1 - Start/stop control Service configuration ITEM # FORMAT DESCRIPTION The table below summarises the unit control type and stop or MAintEnAnCE MEnu When selected this item authorises return to go status with regard to the following parameters.
  • Page 27 ACTIVE OPERATING TYPE PARAMETER STATUS CONTROL UNIT TYPE STATUS REMOTE MASTER UNIT START/STOP CCN GENERAL START/STOP CONTROL SCHEDULE EMERGENCY ALARM LOFF L-C L-SC MASt CHIL_S_S CONTACT TYPE MODE SHUTDOWN Enable Active - Local Active - Unoccupied Local Active - Remote Active - Unoccupied Remote...

  • Page 28: Heating/Cooling Operation

    5.2 - Heating/cooling operation 5.4 - Condenser water pump control 5.2.1 - General The unit can control one or two condenser water pumps. These The heating/cooling selection applies to 30RW (liquid chillers) pumps can be fixed-speed or variable-speed pumps. Depending units, controlling a boiler or equipped with a heat pump option.
  • Page 29 The following table summarises the possible selections REMOTE OPERATING MODE - DUAL-CIRCUIT UNITS depending on the control types (local, remote or CCN) and the PARAMETER STATUS following parameters: HEATING/COOLING CONTROL SCHEDULE 2 ACTIVE SETPOINT OPERATING MODE CONTACTS STATUS Setpoint select in local control: item #13 of the Infor- Cooling sp 1 Cooling setpoint 1...

  • Page 30: Demand Limit

    5.6.2 - Reset 5.8 - Night mode Reset means that the active setpoint is modified so that less machine capacity is required (in cooling mode, the setpoint is The night period is defined (see User configuration) by a start increased, in heating mode it is decreased). This modifica-tion is time and an end time that are the same for each day of the in general a reaction to a drop in the load.

  • Page 31: Control Of A Boiler

    5.10.2 - 30RWA units One of the functions of the master unit (depending on its configuration) may be the designation, whether the master or The control offers two control modes (fan stages with or slave is to be the lead machine or the follower. The roles of without Varifan) lead machine and follower will be reversed when the differ- Automatic mode.

  • Page 32: Diagnostics - Troubleshooting

    6 - DIAGNOSTICS - TROUBLESHOOTING A manual reset must be run from the main interface using the following procedure: 6.1 - General RESET OF ACTIVE ALARMS OPERATION ITEM NUMBER ITEM VALUE PRESS MENU The PRO-DIALOG Plus control system has many fault tracing 2-DIGIT DISPLAY 4-DIGIT DISPLAY BUTTON LED aid functions.

  • Page 33: Alarm Codes

    6.4 - Alarm codes The following list gives a complete description of each alarm code and its possible cause. ALARM CODE DESCRIPTIONS ALARM NAME ALARM DESCRIPTION ACTION TAKEN BY RESET TYPE PROBABLE CAUSE ALARM THE CONTROL CODE Compressor A1 failure Motor safety input has opened due to Compressor is shut Manual...
  • Page 34 ALARM CODE DESCRIPTIONS (continued) ALARM NAME ALARM DESCRIPTION ACTION TAKEN BY RESET TYPE PROBABLE CAUSE ALARM THE CONTROL CODE Safety interlock open Safety interlock not closed before end of the Unit prevented to start or Manual Evaporator pump control or water flow start-up delay or opens during operation shut down switch failure...
  • Page 36 Order No. R3432-76, 06.2004. Supersedes order No.: 13432-76, 03.2002 Manufactured by: Carrier s.a., Montluel, France. Manufacturer reserves the right to change any product specification without notice. Printed in the Netherlands on chlorine-free paper.

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Pro-dialog plus 30rwa

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