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Direct Digital Controller

132

Direct Digital Controller fw 4.013 – Ed. 01/2013

Diagram only for 2 line plants with only one

consent available

Figure 26

– EXAMPLE OF EXTERNAL CONTROL PLANT CONNECTIONS FOR RYWm MODE

4.5.3.1.3 Instructions for operation in aRYW mode

In RYWa operating mode (

two-line hot/cold plants

only), selection of COOLING or HEATING operation is

managed by the external contacts RY and RW.

Closing the contacts R - Y of connector D located on the rear of the Direct Digital Controller (see Figure 13 on
page 54) entails:

Switching on the plant;

Passing to COOLING mode, if currently in heating mode;

Activation of the units.

Closing the contacts R - W of connector D located on the rear of the Direct Digital Controller (see Figure 13 on
page 54) entails:

Switching on the plant;

Passing to HEATING, mode, if currently in cooling mode;

Activation of the units.

Opening the R - Y or R - W contacts entails:

KEY:

On/off command relay contacts (not supplied as standard)

RC1

Relay contacts for cooling system (not supplied as standard)

RC2

Relay contacts for heating system (not supplied as standard)

terminal 1 R

(24

Vac)

terminal 2 W

(heating

plant

consent)

terminal 3 Y

(cooling plant consent)

terminal 4 0

Vac)

terminal 5 NA

Leave not connected

terminal 6 R

(24

Vac)

Diagram for 4 line plants and 2 line plants

with separate consents

Содержание Direct Digital Controller

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Страница 3: ... MANAGEMENT 27 3 4 USER SETTINGS 31 SECTION 4 INSTALLATION 52 4 1 CONNECTING THE DIRECT DIGITAL CONTROLLER 52 4 3 DESCRIPTION OF THE REGULATION WATER TEMPERATURE ALGORITHM AND OF THE RELATIVE PARAMETERS 57 4 4 SYSTEM INSTALLATION 66 4 5 INSTRUCTIONS FOR DDC PLANT CONFIGURATION 124 4 6 MANAGEMENT AND DISPLAY OF WARNINGS AND ANOMALIES 146 SECTION 5 GENERAL INDEX 156 Read the warnings contained in th...

Страница 4: ...r which it has been expressly designed Any other use must be considered inappropriate and therefore dangerous The manufacturer is exempt from any contractual or extra contractual responsibility for damage caused by errors of installation use and in any case the non observance of the instructions supplied by the manufacturer itself In the event of failure and or poor operation of the Direct Digital...

Страница 5: ...illed water in particular 1 1 plant for the production of chilled water cold plant For example it is possible to connect up to a maximum of 16 ACF 60 00 which correspond to a maximum of 16 chilling modules OR 2 1 plant for the production of hot water hot plant For example it is possible to connect up to a maximum of 16 GAHP A or ACF 00 120 which correspond to a maximum of 16 heating modules OR 3 2...

Страница 6: ...different value for each generator DDC or RB100 RB200 device present For RB200 devices a base network ID is set then the system automatically assigns from this a network ID for each configured service In the documentation it is also referred to as a CAN ID or when referred to Robur generators unit ID or machine ID Base plant part this term refers to the portion of the plant including all generator...

Страница 7: ...ately In particular each of these inputs can be configured to make separable or base domestic water requests it is also possible to enable both inputs and therefore manage two DHW service requests at the same time The basic DHW service is normally used to provide a DHW service at circuit temperatures that are compatible with Robur GAHP high efficiency heat pumps The separable or separate DHW servi...

Страница 8: ...les the following rules apply 1 On any system also with maximum expansion three DDCs 48 heating modules and 48 chilling modules it is possible to add an RB200 device used fully i e with the heating cooling and DHW requests enabled with all water pump temperature probe and valve services enabled with both the third party generator service enabled however it must be considered that every third party...

Страница 9: ...ating by controlling the switch on and switch off of the units connected to it The following elements are present on the front of the panel Graphic display on which all the parameters necessary to control program and configure the plants managed by the DDC are shown see detail A in Figure 1 Selector knob Encoder the instrument with which it is possible to interact with the DDC It allows the operat...

Страница 10: ... right of the display allows access to the Plant control menu A ON OFF status of plat B plant identification code 0 15 Zone 4 The last row displays a message that briefly describes the icon on which the cursor is positioned The icon allows access to the error menu the icon permits to access to the Main menu Zone 5 The symbol is shown to indicate that the zone contains the displaying of the operati...

Страница 11: ... main screen of the DDC according to the type of plant configured may appear as follows ONLY CONDITIONING PLANT CONFIGURED COOLING AND HEATING PLANTS CONFIGURED FOR CONTEMPORARY OPERATION DHW SYSTEM CONFIGURED COOLING AND OR HEATING PLANTS CONFIGURED FOR ALTERNATING OPERATION PLANTS NOT CONFIGURED ONLY HEATING PLANT CONFIGURED HEATING AND DOMESTIC HOT WATER PLANTS CONFIGURED COOLING AND HEATING PL...

Страница 12: ...t is flashing it stops flashing and starts flashing again after 25 seconds of inactivity if the error conditions persist In all other screens the display s illumination flashes 2 3 USING THE ENCODER The main user interface for management programming and control of the DDC is the knob located on the front of the Direct Digital Controller the encoder The operations that may be performed with the enc...

Страница 13: ...it is not possible to select it The switch will not affect the switching on of the plant Group ON OFF switch Use this button to switch on or off only the units that are directly managed by the specific DDC This button is enabled only for Multi DDC plants i e plants that are managed by several Direct Digital Controllers the activation of those units requires however that the main ON OFF switch pres...

Страница 14: ...er T timer is disabled To enable the partial water T timer turn the knob and position the cursor on then press the knob The button will appear thus indicating that the Partial water T timer has been enabled The corresponding switch will be closed or opened according to whether the time falls within a programmed Partial water T timer cycle see Paragraph 3 4 1 1 1 4 for the programming the Partial w...

Страница 15: ... temperature set point value If neither of the two cases stated above exists the button takes on the aspect to indicate that it is disabled The system does not regulate the internal room temperature COOLING HEATING switch button button present for 2 line hot cold plants only To change to Cooling turn the knob to position the cursor on then press the knob The button will appear thus indicating that...

Страница 16: ...essarily involve the switching off of the units In fact if also one or more DHW production services are configured the units can start to meet the DHW requests In order to ensure the real switching off of the plant switch off also the DHW service s as indicated in paragraph 2 5 BASE AND SEPARABLE DHW SERVICE CONTROL MENU on page 15 NOTE ...

Страница 17: ...stallation and use booklet of the RB 200 code D LBR632 and the applications manual code D LBR630 according to the type of device used Figure 4 EXAMPLE OF BASE OR SEPARABLE DHW SERVICE CONTROL SCREEN Base or separable DHW service ON OFF switch Used to switch the corresponding DHW service ON OFF To switch on the plant turn the knob and position the cursor on then press the knob The button will appea...

Страница 18: ...occurred the message No error appears 5 Use the vertical scroll arrows detail E in Figure 5 to view all the events present on the unit The key allows the user to access the MACHINE MANAGEMENT menu in order to perform an error reset if necessary The button i allows to access the INFORMATION MENU related with the selected unit KEY A Sequential number of events in progress for selected unit B System ...

Страница 19: ...ent in that plant 3 Select to view the screen that relates to the unit where the error has occurred 4 Select i to access to the INFORMATION MENU related to the selected unit 5 Select to access the MACHINE MANAGEMENT menu directly 6 Position the cursor on and press the knob to carry out an error reset 7 Wait for the operation to be performed If the operation is successful the message OK appears on ...

Страница 20: ...U related to the selected unit 6 Position the cursor on and press the knob to carry out a reset of the flame control unit 7 Wait for the operation to be performed If the operation is successful the message OK appears on the display 8 To exit select By law it is possible to execute max 5 flame reset attempts within a 15 min period If you exceed this number the function is disabled and further attem...

Страница 21: ...UNCTIONS OF THE DIRECT DIGITAL CONTROLLER 3 1 MAIN MENU To access the main menu from the initial screen select The main menu consists of 5 sections as indicated in the figure on the right Functional data Machine Management User Settings Installation see Installation Section Exit ...

Страница 22: ...ss the menu 4 Select 1 2 to move to the second screen To go back to the first screen select 2 2 5 To exit select 3 2 2 UNITS INFORMATION By means of two or three screens some specific data concerning the units can be displayed machine type serial ID of the unit board revisions of the HW and FW electronics as well as other detailed data concerning the module or the two modules that build up the uni...

Страница 23: ...and the difference of temperature between inlet and outlet of the cooling plant or base domestic hot water plant base DHW if configured or separate domestic hot water plant separable separated DHW if configured Select to move to the screen concerning the base DHW plant will appear Select to move to the screen concerning the separable DHW plant will appear Select to move to the screen concerning th...

Страница 24: ...tween the machine and the DDC the off line may be due to various causes the machine is not powered there are problems on the connection cable the machine board is malfunctioning and cannot communicate with the DDC 4 If no error has occurred in the machine no symbol will appear next to the machine ID For two line hot cold plants i e plants for the production of hot chilled water the symbols or appl...

Страница 25: ...ng time Ignitions Number Defrostings number Inversions Number Other data Temperatures An overview of all the operating temperatures of the machine selected The machine s ID is indicated between the two arrows and To view the operating temperatures of another unit select Which temperatures may be viewed depends on the type of machine selected AY ACF GAHP GS WS etc A list of the temperatures that ma...

Страница 26: ...rating in hours and minutes To view the operating time of another unit select To exit select Ignitions Number This screen indicates the number of times the unit has been switched on To exit select Defrostings number This screen indicates the number of defrosting cycles of the unit GAHP A AR plants only To exit select Inversions number Reports the number of times the unit has been inverted GAHP AR ...

Страница 27: ... the second screen 1 2 2 2 to pass from the second to the first screen To exit select It is not possible to view other data concerning third party machines 3 2 4 TECHNICAL ASSISTANCE This screen gives information about the nearest Technical Assistance Centre See Paragraph 4 4 1 12 Technical assistance information regarding the programming of technical assistance information To exit select ...

Страница 28: ...vent history list follow 1 From the main menu select 2 Select to access the Functional data menu 3 Turn the knob to select the Event history menu and press the knob to access the menu 4 Position the cursor on the vertical scroll arrows see detail D in Figure 6 to scroll through the events from latest to earliest 5 To exit select B C I H A G L F E D KEY A Date event detected B Time event detected C...

Страница 29: ...parameters consult the installation manual of the unit Default set of parameters this option allows the default parameters memorised in the machine s electronic board to be reset Manual defrosting The option allows the defrosting cycle to be carried out for the selected unit GAHP a and GAHP AR only 3 3 1 FLAME CONTROL UNIT RESET To carry out a reset of the flame control unit if the burner ceases t...

Страница 30: ...f the DDC is configured to manage only one hot cold plant 4 Select the machine using or The unit s identification number is shown between the arrows 5 Position the cursor on and press the knob to carry out an error reset 6 Wait for the operation to be performed If the operation is successful the message OK appears on the display To exit select The reset does not perform a flame control unit reset ...

Страница 31: ...the machine is now excluded from the plant 6 To exit select When a machine is excluded the DDC considers it unusable In addition any anomalies are not signalled 3 3 4 EDIT SET PARAMETERS Technical Assistance Centres only This option allows the modification of some parameters that are set on the machine s built in electronic board The Direct Digital Controller communicates with the machine s electr...

Страница 32: ...arding the default parameters factory settings set on it warning the default parameters are read only i e cannot be modified Via the DDC the operator may modify some of these parameters and transmit them again to the machine s electronic board The parameters transmitted are used by the board for operation of the unit but this transmission will have no influence on the default settings memorised on...

Страница 33: ... set point temperature differential and number of steps 3 4 1 1 1 Cooling Heating The options that may be set in this menu for the cooling heating services are 3 4 1 1 1 1 Default set point 3 4 1 1 1 2 Enabling of climatic curve 3 4 1 1 1 3 General water T timer 3 4 1 1 1 4 Partial water T timer 3 4 1 1 1 1 Default set point This screen displays the water set point temperatures for cooling and or ...

Страница 34: ...hich the set point temperature is to be set for two line cooling heating plants for hot water production plants or for chilled water production plants 6 Select Water setup from the drop down menu 7 Select Cooling or Heating from the drop down menu 8 Select Default set point from the drop down menu 9 Position the cursor on the temperature value to modify for cold only plants only the value of the s...

Страница 35: ...op down menu 7 Select Cooling or Heating or Cool Heat from the drop down menu 8 Select Enab Clim Curve from the drop down menu Turn the knob and select the desired item 9 Turn the knob and select the desired item Press the knob to enable disable the climatic curve The symbol indicates that the climatic curve is enabled the symbol indicates that the climatic curve has been disabled 10 To exit selec...

Страница 36: ...e cooling heating plants for the heating plant for the cooling plant 6 Select Water setup from the drop down menu 7 Select Cooling or Heating from the drop down menu 8 Select General Water Timer from the drop down menu 9 Position the cursor on the activation time of the first water T timer cycle and press the knob Turn the knob to select the activation time of the first timer cycle and press the k...

Страница 37: ...rent for each of the seven days of the week and for the cooling and heating services The partial water T timers control only the machines directly managed by a specific DDC Therefore according to the number of DDCs present in the plant two situations may arise The plant is controlled by a single DDC The DDC is defined as Master DDC by default and it is possible to use ONLY the general water T time...

Страница 38: ...ater production plants or for chilled water production plants 6 Select Water setup from the drop down menu 7 Select Cooling or Heating from the drop down menu 8 Select Group Water Timer from the drop down menu 9 Position the cursor on the activation time of the first water T timer cycle and press the knob Turn the knob to select the activation time of the first timer cycle and press the knob to co...

Страница 39: ...intervals within which it is possible to define a water set point temperature The water T timer cycles and the relevant set point are taken in consideration ONLY if on the RB100 or RB200 device absolutely necessary for the domestic hot water control the Type of set point inlet for the domestic hot water parameter is set as digital with set point on Digital Control Panel For more information please...

Страница 40: ...st timer cycle 10 Set the water set point temperature for the programmed timer cycle Press the knob to modify the temperature value once the cursor is positioned on the number Turn the knob to modify the value Press the knob to confirm 11 The cursor moves automatically to for the activation of the timer cycle programmed Press the knob to enable the timer cycle The symbol indicates that the timer c...

Страница 41: ...in consideration ONLY if on the RB100 or RB200 device absolutely necessary for the domestic hot water control the Type of set point inlet for the domestic hot water parameter is set as digital with set point on Digital Control Panel For more information please consult the installation and user booklet of the RB 100 code D LBR468 and the RB 100 applications booklet code D LBR467 or the installation...

Страница 42: ... confirm The cursor moves automatically to the deactivation time of the first timer cycle Proceed in the same way to program the deactivation time of the first timer cycle 10 Set the water set point temperature for the programmed timer cycle Press the knob to modify the temperature value once the cursor is positioned on the number Turn the knob to modify the value Press the knob to confirm 11 The ...

Страница 43: ... environment to be heated cooled It is necessary to connect an ambient temperature sensor supplied as an optional extra for this operating mode To gain access to the Environment setting menu first configure the consent in AmbT mode or WCmp climatic curve mode for further information refer to paragraph On off command configuration on page 103 The parameters that may be programmed for this operating...

Страница 44: ... cooling and 1 C 1 8 F for heating 3 4 1 2 2 Chronothermostat set points Up to 3 temperature levels may be programmed The 3 temperature levels refer to the air temperature in the environment to be cooled or heated NOTE T1 corresponds to the minimum service level lower temperature in heating mode higher temperature in cooling mode consequently it is possible only to set values that respect these co...

Страница 45: ...y the value 11 Press the knob to confirm the set value 12 Repeat the last 3 steps to set the other temperatures 13 To exit select 3 4 1 2 3 Chronothermostat This option allows the user to program the chronothermostat The figure on the right shows an example for a typical day The chronothermostat allows a temperature value T1 T2 T3 or OFF to be set for each half hour interval during the day For the...

Страница 46: ...hermostat programming follow the instructions below 1 Select from the initial screen to gain access to the main menu 2 Select to access the User settings menu 3 Enter if requested the user password on the numerical keypad that appears on the display 4 Select Plants from the drop down menu 5 Select the appropriate icon for two line cooling heating plant for the hot water production plant for the ch...

Страница 47: ...ctioning in heating mode level T3 level T2 level T1 OFF Conditioning operation level T3 level T2 level T1 OFF 12 Select another period using the arrows A and repeat the operation described in step 11 13 If the same temperature level for a certain number of adjacent periods is desired enable the copy period function by means of the copy period button The symbol indicates that the copy period button...

Страница 48: ... external ambient temperature mode To exit select Configuring external set point temperature Instructions for setting the external temperature follow 1 Select from the initial screen to gain access to the main menu 2 Select to access the User settings menu 3 Enter if requested the user password on the numerical keypad that appears on the display 4 Select Plants from the drop down menu 5 Select the...

Страница 49: ...ain menu 2 Select to access the User settings menu 3 Enter if requested the user password on the numerical keypad that appears on the display 4 Select Plants from the drop down menu 5 Select the appropriate icon for two line cooling heating plant for the hot water production plant for the chilled water production plant 6 Setup from the drop down menu 7 Select Differential from the drop down menu 8...

Страница 50: ...ain menu 2 Select to access the User settings menu 3 Position the cursor by turning the knob on the second line of the drop down menu and press the knob 4 A second drop down menu appears Simply select the first line by pressing the knob 5 Turn the knob to choose the language and press the knob to confirm the choice 6 Wait for the change to the language selected 7 To exit select 3 4 2 2 Date and Ti...

Страница 51: ...ed and if at least one of the two fields has been selected 3 4 2 3 Temperature Measurement Unit This screen shows the current temperature units To modify the unit position the cursor on and press the knob to confirm To exit select 3 4 2 4 Alarm Beeper The Direct Digital Controller is equipped with a beeper that is activated each time an alarm regarding the operation of the units managed occurs To ...

Страница 52: ... the drop down menu 4 Select Set user password from the drop down menu 5 Enter the password requested and select to confirm 6 Enter the new password again and select to confirm Once the password has been enabled it must be entered every time it is necessary to access the User settings menu Each time the password is entered to access the User settings menu it remains active for 10 minutes after exi...

Страница 53: ...word enter it again and select To disable the password do not enter a new password at steps 7 and 8 simply select If the user password is disabled it is not necessary to enter it to access the User settings menu If an incorrect password is entered press Enter The DDC returns to the previous menu NOTE ...

Страница 54: ...upplied by a 230 24 V a c safety transformer 50 60 Hz power no less than 20 VA not supplied in particular this transformer must comply with standard EN 61558 2 6 Use a 3 x 0 75 mm 2 electrical connecting cable and make the connections on the terminals of the 4 pole connector located at the bottom left of the rear of the DDC respecting the polarity as in the diagram on the right terminal 1 24 V ter...

Страница 55: ... Mid Cable TURCK type 5711 H BLUE L WHITE GND BLACK 450 m Honeywell SDS 2022 TURCK type 531 H BLACK L WHITE GND BROWN 200 m In all cases the fourth wire may not be used Table 1 EXAMPLES OF CAN BUS CABLES FOR THE CONNECTION OF THE DIRECT DIGITAL CONTROLLER TO GA and GAHP SERIES UNITS Diagrams and procedures for connecting the Direct Digital Controller to ROBUR units or to other Robur devices are co...

Страница 56: ...r the activation via a relay of an alarm signal such as a light siren or other device for further information see Paragraphs 4 4 2 6 7 Temperature Alarm Setup Master DDC only on page 100 and 4 4 2 4 Alarm output setup on page 86 This connection must only be used to control external equipment at very low safety voltage SELV up to a maximum of 24 V and at a maximum current of 1 A Do not connect exte...

Страница 57: ...TAL CONTROLLER The operating temperature range of the Direct Digital Controller is 0 50 C 32 122 F If the temperature of the installation environment is below zero freezing the Direct Digital Controller continues to function correctly to 10 C 14 F but its LCD screen may not be able to display data 4 2 DESCRIPTION OF AUXILIARY BOILER OPERATING METHODS FOR HOT SERVICE ON BASE PLANT PART Limited to t...

Страница 58: ...ith the heat pumps For the description of the setting operations for these parameters refer to the paragraph 4 4 2 6 2 Auxiliary boiler operation on page 94 and 4 4 2 6 3 Rated plant power on page 95 Warning generation for premature substitution of the heat pumps When using the Complement and substitute mode it is possible to specify a delivery or return temperature limit value the delivery value ...

Страница 59: ...ed to the plant delivery manifold In this case the carry out the regulation the DDC may use If the auxiliary boilers are AY modules Robur the average temperature read by the machine probes or dedicated manifold probes managed by the RB200 If the auxiliary boilers are third party only dedicated manifold probes managed by the RB200 In the serial configuration the return pipes from the auxiliary boil...

Страница 60: ...lue from 0 to 6 which determines the priority of use of the machines belonging to this category The higher the value the higher the priority For category 1 Robur heat pumps the value which is set automatically and cannot be modified is 6 corresponding to maximum priority For category 3 Robur AY boilers the value set by default is 4 but this can be modified from 0 to 4 For categories 4 5 6 7 third ...

Страница 61: ...d keep it there the regulator does not perform other interventions and keeps the first stage on D Point 4 and Zone 5 if the energy supplied by the first stage causes the water temperature to rise above the differential band the regulator switches the first stage off and keeps it off in zone 5 E Point 6 and Zone 7 in this case the energy supplied by the first stage is not sufficient to cause quick ...

Страница 62: ...e of the stages based on the enable and prevention integrals allow to centre the power of generation adapting it to the load of the system In a given load condition the system maintains some systems stably of and all of the others except one on The remaining stage is switched on or off alternately to regulate the temperature of the water keeping it within the differential band This regulation adap...

Страница 63: ...Direct Digital Controller Direct Digital Controller fw 4 013 Ed 01 2013 61 Tinhib Enabl Inhib 1 3 2 5 4 7 6 9 8 11 10 12 14 13 16 15 18 17 19 20 Stage I Stage II ON OFF Tinhib Tinhib ON OFF Figure 16 ...

Страница 64: ... on time will cause frequent and consistent breaches in the rules of the normal algorithm on the other hand too low a value will lead to the machine being switched on for very short periods which will compromise yield Default values of the parameters and indications for correct choice of their values categories 1 and 3 Default values Parameter Value of Categ 1 Value of Categ 3 Recommended setting ...

Страница 65: ...s with constant load there is only one intermittent stage If however there are several intermittent stages in normal running conditions the integrals must be increased both prevention and enabling If the response to load or set point variations is too slow o reduce the integrals both prevention and enabling o reduce the number of stages only after having acted with the previous option If a single ...

Страница 66: ...ameters DHW service on the separable system part For the DHW service supplied on the pipes on the separable part of the plant the regulation algorithm is identical to that described for the heating system In this case however parameters are used that are dedicated to allow differentiation of the regulation To set these refer to the 4 4 2 5 4 Regulation parameters paragraph on page 89 relative to t...

Страница 67: ... categories the calculation is made when exiting the configuration panel Table 3 REGULATION PARAMETER DEFAULT VALUES CONDITIONING SERVICE categories 1 Default values of the parameters and indications for correct choice of their values categories 4 7 Default values Parameter Value of Categ 4 7 Recommended setting Machine power 17 kW Set the power value in kW of the single machine belonging to the c...

Страница 68: ...rd on the numerical keypad that appears on the display The options available in this menu are indicated below 4 4 1 DDC 4 4 2 PLANTS 4 4 1 DDC To access the menu select DDC from the drop down menu 4 4 1 1 Setting ID This option allows the user to assign the ID of each Direct Digital Controller in Multi DDC plants For single DDC plants it is not necessary to assign an ID to the DDC as in this case ...

Страница 69: ... To set or change the installation password follow the instructions below 1 Select from the initial screen to gain access to the main menu 2 Select to gain access to the System installation 3 If required enter the installer password on the numerical keypad shown on the display 4 Select DDC from the drop down menu 5 Select Inst Passwd Setup from the drop down menu 6 If an installer password is alre...

Страница 70: ...the entering of the assistant s password will be required again to gain access to one of the above said menus To set or change the installation password follow the instructions below 1 Select from the initial screen to access the main menu 2 Select to gain access to the System installation 3 If required enter the installer password on the numerical keypad shown on the display 4 Select DDC from the...

Страница 71: ...ON MENU SCREEN Table 5 shows all types of units and plant parts with a short description For more information on the management of third party units only with RB200 and plant parts also refer to the Installation and use booklet for RB100 code D LBR468 and the RB100 Applications Manual code D LBR467 or the Installation and Use Booklet for RB200 Code D LBR632 and Applications Manual Code D LBR630 ac...

Страница 72: ... shows the number of the plant to which that module is assigned For AYF 4 units it is possible to assign the modules to two different DDCs Multi DDC plants only For GAHP GS WS units the system forces the assignment of the modules to the same DDC To assign the units and plant parts to the DDC follow the instructions below 1 Select from the initial screen to gain access to the main menu 2 Select to ...

Страница 73: ...Direct Digital Controller Direct Digital Controller fw 4 013 Ed 01 2013 71 ...

Страница 74: ...or heating and cooling reversible heat pump GAHP AR series PThrd Boiler or chiller produced by third parties managed by the RB200 device s Type of plant part code on display Description VACS Valve separating the separable plant part without limit switch contacts managed by RB100 RB200 VACSF Valve separating the separable plant part with limit switch contacts managed by RB100 RB200 VC H Cooling hea...

Страница 75: ...access to the main menu 2 Select to gain access to the System installation 3 Enter the installer password on the numerical keypad that appears on the display 4 From the drop down menu select DDC 5 Select Master DDC Setup from the drop down menu 6 Select the symbol for two line cooling heating plants for hot water production plants or for chilled water production plants 7 Position the cursor on and...

Страница 76: ...MACHINE CONFIGURATION MENU SCREEN For all the DDCs in the plant carry out the following operations 1 Select from the initial screen to gain access to the main menu 2 Select to gain access to the System installation 3 Enter the installer password if requested on the numerical keypad that appears on the display 4 From the drop down menu select DDC 5 Select Multi DDC Binding from the drop down menu 6...

Страница 77: ... technician and is not automatically guaranteed If units of the GAHP GS WS type are configured as 4 line units i e the cold branch is configured on a plant of a different number from the plant on which the hot branch is configured the Master DDC of the two plants MUST be the same This rule nevertheless is forced because if a DDC on which units of the GAHP GS WS type in 4 line mode are configured i...

Страница 78: ...e drop down menu and press the knob to access the screen 6 Select the symbol for two line cooling heating plants for hot water production plants or for chilled water production plants 7 For plants with 2 line cooling heating use the button with the symbol HEATING or COOLING to select the type of third party unit for BOILERS for CHILLERS 8 Select the ID of a third party unit using and 9 Set the cat...

Страница 79: ...t has a range from 0 to 50h with default value of 20h This must be set on the basis of the building time constant e g it will assume the low values in the case of pre fabricated buildings in wood and high values in the case of traditional buildings in stone If the 0 value is set the filter is disabled Therefore for the calculation of the water temperature via climatic curve the instant value of th...

Страница 80: ...hnical Assistance Centre to contact if necessary via the information menu see Paragraph 3 2 4 TECHNICAL 1 Select from the initial screen to gain access to the main menu 2 Select to gain access to the System installation 3 Enter the installer password on the numerical keypad that appears on the display 4 From the drop down menu select DDC 5 Turn the knob to scroll the cursor downwards until Service...

Страница 81: ...ent describing the mapping and meaning of the Modbus logs implemented on the DDC is available on request 1 Select from the initial screen to gain access to the main menu 2 Select to gain access to the System installation 3 Enter the installer password on the numerical keypad that appears on the display 4 From the drop down menu select DDC 5 Turn the knob to scroll the cursor downward until Select ...

Страница 82: ...tion permits to set the parameters of the Modbus communication In particular communication speed number of data bits stop bits and parity check can be set The choice is limited to 6 possible combinations a 19 200 baud 8 data bits 1 stop bit no parity 9600 8N1 b 19 200 baud 8 data bits 1 stop bit pair parity 9600 8E1 c 19 200 baud 8 data bits 2 stop bits no parity 9600 8N2 not available on RS 485 d...

Страница 83: ...nstructions below 1 Select from the initial screen to gain access to the main menu 2 Select to gain access to the System installation 3 Enter the installer password on the numerical keypad that appears on the display 4 From the drop down menu select DDC 5 Turn the knob to scroll the cursor downwards until Factory defaults is selected and press the knob to access the screen 6 Select YES to confirm ...

Страница 84: ...tion of functioning parameters allows you to operate on set point differential and general water T timer cycle The foreseen control options are two BMS control Building Management System Remote Assistance Control RM These options can be set separately for every plant and they exclude each other On the contrary the parameter access option is unique and it makes no difference between BMS and RM BMS ...

Страница 85: ...atter case the button will get the appearance corresponding to the choice made by the BMS priority to cooling priority to heating mode If the cooling operation is set as priority the GAHP GS WS modules can be switched on by the conditioning plant regulator but not by the heating plant regulator vice versa if the heating operation is set as priority RM plant control By selecting RM plant control it...

Страница 86: ...mon water pump in this case a single water pump is installed for the plant the water flow circulating in the plant is always the same Independent water pump in this case a water pump is installed for each unit the total number of water pumps is the same as the number of units installed In this case the water flow circulating in the plant is a function of the number of units that are on Each water ...

Страница 87: ...ration Mode follow the instructions below 1 Select from the initial screen to gain access to the main menu 2 Select to gain access to the System installation 3 Enter the installer password if requested on the numerical keypad that appears on the display 4 Select Plants from the drop down menu 5 Select the symbol for two line cooling heating plants for hot water production plants or for chilled wat...

Страница 88: ...to the System installation 3 Enter the installer password on the numerical keypad that appears on the display 4 Select Plants from the drop down menu 5 Select the plant for which the alarm output is to be set for two line cooling heating plant for the hot water production plant for the chilled water production plant 6 Turn the knob to scroll the cursor downwards until Alarms Outp Setup is selected...

Страница 89: ...ess to the System installation 3 Enter the installer password on the numerical keypad that appears on the display 4 Select Plants from the drop down menu 5 Select the plant type for two line cooling heating plant for hot water production plant 6 Turn the knob to scroll the cursor downward until highlighting Splitt Plant Part and press the knob to gain access to the screen 7 Select Heating DHW sele...

Страница 90: ... the Master DDC for two plants repeat steps 5 to 9 for the second plant 4 4 2 5 3 Water Differential The screen shows the differential set on the set point temperature of the separable plant for the production of DHW Configuration of differential To set the value or values of the differential proceed as follows 1 Select from the initial screen to gain access to the main menu 2 Select to gain acces...

Страница 91: ...able disable integrals the DDC automatically calculated for all machine categories the most appropriate values of the two parameters enable integral and disable integral according to the values set for the others The value is calculated and set when you exit the panel 10 If you select No the display shows MANUAL configuration of enable disable integrals the DDC DOES NOT automatically calculate the...

Страница 92: ...ct from the initial screen to gain access to the main menu 2 Select to gain access to the System installation 3 If required enter the installer password on the numerical keypad that appears on the display 4 Select Plants from the drop down menu 5 Select the system for which the parameters are to be set for two line cooling heating plant for the hot water production plant 6 Turn the knob to scroll ...

Страница 93: ...n phase indicating how much time shall elapse after the inclusion step of the separable group units to the base plant in order to consider the delivery and return temperature of the machine just included in the total average value of the plant To set above said value operate as described below 1 Select from the initial screen to gain access to the main menu 2 Select to gain access to the System in...

Страница 94: ...elect from the initial screen to gain access to the main menu 2 Select to gain access to the System installation 3 If required enter the installer password on the numerical keypad that appears on the display 4 Select Plants from the drop down menu 5 Select the plant for two line cooling heating plant for the hot water production plant 6 Turn the knob to scroll the cursor downward until highlightin...

Страница 95: ...n plant Configuration of differential To set the value or values of the differential proceed as follows 1 Select from the initial screen to gain access to the main menu 2 Select to gain access to the System installation 3 If required enter the installer password on the numerical keypad that appears on the display 4 Select Plants from the drop down menu 5 Select the plant for which the differential...

Страница 96: ...plants or for chilled water production plants 6 Turn the knob to scroll the cursor downward until highlighting Base plant part and press the knob 7 Select Auxil boiler operation from the drop down menu 8 Position the cursor on next to the option that is to be set Complement or Complem Substit 9 Press the knob to activate the option The symbol indicates that the option has been enabled 10 When the ...

Страница 97: ...e installer password on the numerical keypad that appears on the display 4 Select Plants from the drop down menu 5 Select the plant for which the differential is to be set for two line cooling heating plants for hot water production plants or for chilled water production plants 6 Turn the knob to scroll the cursor downward until highlighting Base plant part and press the knob 7 Select Rated Plant ...

Страница 98: ...op down menu 5 Select the system for which the parameters are to be set for two line cooling heating plants for hot water production plants or for chilled water production plants 6 Turn the knob to scroll the cursor downward until highlighting Base plant part and press the knob 7 Only for two line hot cold systems 8 The display shows Carry out semi automatic configuration 9 If you select Yes norma...

Страница 99: ...the current page the one on the right the total number of pages available 14 To edit the set values position the cursor on the value to edit for the description of the parameters refer to paragraph 4 3 1 HEATING SERVICE on page 57 and or paragraph 4 3 3 CONDITIONING OPERATION on page 64 15 Press the knob to allow the change of the selected value 16 Turn the knob until the desired value is displaye...

Страница 100: ...e to be set for two line cooling heating plants for hot water production plants or for chilled water production plants 7 Turn the knob to scroll the cursor downward until highlighting Base plant part and press the knob 8 Select RBox W Pump Delay from the drop down menu 9 To modify the values set position the cursor on the value to be modified 10 Press the knob to allow the change of the selected v...

Страница 101: ...s Util Preced is selected and press the knob to access the screen 8 For chilled water production plants left column of screen position the cursor on next to the units to which activation priority is to be given GAHP GS WS or others and press the knob to confirm The symbol indicates that the units selected will have activation priority For hot water production plants right column of screen position...

Страница 102: ...2 F Instructions for configuring the alarm temperature 1 Select from the initial screen to gain access to the main menu 2 Select to gain access to the System installation 3 Enter the installer password on the numerical keypad that appears on the display 4 Select Plants from the drop down menu 5 Select the symbol for two line cooling heating plants for hot water production plants or for chilled wat...

Страница 103: ...over step is over To set above said value operate as described below 1 Select from the initial screen to gain access to the main menu 2 Select to gain access to the System installation 3 If required enter the installer password on the numerical keypad that appears on the display 4 Select Plants from the drop down menu 5 Select the plant for two line cooling heating plant for the hot water producti...

Страница 104: ... Robur control devices position the cursor on and press the knob The symbol indicates that the request is not active The operation requests for the DHW services are ALWAYS controlled by the Robur Box RB100 or RB200 device therefore it is not possible to enable the DHW service when this device is missing For more information please consult the installation and user booklet of the RB 100 code D LBR4...

Страница 105: ...ing mode e g CUSTOM On off command for the main power switch of the plant for both Single DDC and Multi DDC plants The symbol indicates that the command is enabled and means that the button in the Plant control menu is enabled This symbol indicates that the on off command is disabled and means that the button in the Plant control menu is disabled button disabled and on off command set to always ON...

Страница 106: ...lant control menu will be disabled For CUSTOM operating mode it is possible to decide whether to enable the command or not 1 To enable the command turn the knob to position the cursor on and press the knob The symbol indicates that the command is enabled and so the corresponding button in the Plant control menu will be enabled 2 To disable the command turn the knob to position the cursor on and pr...

Страница 107: ...mmand is enabled and so the corresponding button in the Plant control menu will be enabled 2 To disable the command turn the knob to position the cursor on and press the knob The symbol indicates that the command is disabled The chronothermostat button in the Plant Control menu can be enabled or disabled depending whether the WeComp function is enabled or not climatic curve function This on off co...

Страница 108: ...nT function is enabled or not chronothermostat on internal room probe For CUSTOM operating mode it is possible to decide whether to activate this function or not 1 To enable the function turn the knob to position the cursor on and press the knob The symbol indicates that the function is active and therefore the corresponding button in the Plant Control menu will be enabled 2 To deactivate the func...

Страница 109: ...is is present in RYWa mode or if selected in CUSTOM mode if enabled it specifies that the cooling heating commutation is automatic according to the request on the RY RW contacts RY closed commutation in cooling RW closed commutation in heating If disabled it specifies that the cooling heating commutation is done manually using the plant control menu button or via Bus The symbol indicates that the ...

Страница 110: ...SENTS DIAGRAM The WeComp function climatic curve is not represented in the Figure 20 layout as it does not act as a consent On Off but by varying the temperature on the flow water depending on the external temperature The Digital Panel foresees various modalities for the management of unit operation as indicated in the table below PLANT heating and cooling services BMS DDC BMS On Off GenPwr GenTmr...

Страница 111: ...wing operations 1 Select from the initial screen to gain access to the main menu 2 Select to gain access to the System installation 3 Enter the installer password on the numerical keypad that appears on the display 4 Select Plants from the drop down menu 5 Select the appropriate icon for two line cooling heating plant for the hot water production plant for the chilled water production plant 6 Turn...

Страница 112: ...e parameters The option present inside the installation menu allows to define the parameters of the climatic curve that will affect the flow temperature of the hot and or cooled water The climatic curves allow to calculate the temperature of the system water depending on the external temperature measured and the set point temperature of the internal environment Depending on the type of system in p...

Страница 113: ...nd the effective internal temperature is 22 C 71 6 F set the Offset parameter at a value of 2 C 3 6 F Water T Figure 21 GRAPHICS OF THE CONDITIONING CURVES Regarding heating the family of climatic curves is indicated in Figure 22 and the choice of the curve to use is made by specifying the value of a parameter that indicates the slope of the curve The curve defined in this way refers to an interna...

Страница 114: ...ble on variation of the external temperature but the internal temperature does not coincide with that set as set point the following cases may occur Internal ambient temperature still higher than the set point in this case intervention must be made on the Offset parameter of the climatic curve setting a negative value equal to the offset of the internal temperature from the set point for example i...

Страница 115: ... point page 117 Instructions for setting the climatic curve parameters 1 Select from the initial screen to gain access to the main menu 2 Select to gain access to the System installation 3 Enter the installer password if requested on the numerical keypad that appears on the display 4 Select Plants from the drop down menu 5 Select the symbol for two line cooling heating plants for hot water product...

Страница 116: ...mber of stages or mixed type heat pumps plus boilers more efficient regulation can be obtained by appropriately limiting the power available i e by preventing the regulator using also only temporarily an excessive number of machines In heating mode the function operates by progressively reducing the number of machines that can be used on increase of the outdoor temperature Once activated three par...

Страница 117: ... production plants 6 Turn the knob to scroll the cursor downward until highlighting Base plant part and press the knob 7 Turn the knob to scroll the cursor downward until highlighting Cool Heat serv Conf 8 Turn the knob to scroll the cursor downwards until Max Power Limiting is selected and press the knob to access the screen 9 Only for 2 line hot cold systems select the button with the or symbol ...

Страница 118: ...mined by the system depending on the external temperature In the example for heating systems given above the maximum set point temperature of the water will be 60 C 140 F even if the climatic curve function should request a higher value The set point limits for the thermostating on delivery and return are set separately To modify the set point limits follow the instructions below 1 Select from the...

Страница 119: ...0 C to 40 C 22 F to 104 F and the minimum temperatures for the production of hot water in the field from 5 C to 95 C 41 F to 203 F For instance should a value of 30 C 86 F be set for a chilled water production plant the user can define a temperature value lower than 30 C 86 F In case of hot water production plant the setting of a temperature value equal to 40 C 104 F will allow the user to choose ...

Страница 120: ...rn the knob to scroll the cursor downward until highlighting Base plant part and press the knob 7 Turn the knob to scroll the cursor downward until highlighting Cool Heat srv Conf and press the knob 8 Turn the knob to scroll the cursor downward until highlighting Min water set point and press the knob 9 Position the cursor on the temperature value to be modified 10 Press the knob to allow the chan...

Страница 121: ... initial screen to gain access to the main menu 2 Select to gain access to the System installation 3 Enter the installer password if requested on the numerical keypad that appears on the display 4 Select Plants from the drop down menu 5 Select the symbol for two line cooling heating plants for hot water production plants or for chilled water production plants 6 Turn the knob to scroll the cursor d...

Страница 122: ...perature will be set subsequently by the user by means of User settings Menu In particular it is possible to define the maximum temperature for the production of DHW within a field of 5 C 95 C 41 F 203 F For example if a value of 60 C 140 F is set the user can define a temperature value between 5 C 41 F and 60 C 140 F 1 Select from the initial screen to gain access to the main menu 2 Select to acc...

Страница 123: ...highest setpoint value In case only heating requests are present and not base DHW request the utilized setpoint will be the highest one among all the heating requests By selecting the Max Heat DHW request setpoint item the DDC will consider the maximum value of both base DHW and heating requests as the setpoint of which use shall be made for the plant management 1 Select from the initial screen to...

Страница 124: ...ess to the System installation 3 Enter the installer password on the numerical keypad that appears on the display 4 Select Plants from the drop down menu 5 Select the plant type for the two line cooling heating plants 6 Turn the knob to scroll the cursor downward until highlighting Base plant part and press the knob 7 Turn the knob to scroll the cursor downward until highlighting Base DHW serv Con...

Страница 125: ...Direct Digital Controller Direct Digital Controller fw 4 013 Ed 01 2013 123 Figure 24 SE OF DHW IN COOLING MODE VD2 Tb AYF unit A DDC DHW DHW SUPPLY AYF unit B PRE HEATING VD1 ...

Страница 126: ... with units belonging to the base plant base DHW uses the same heating units for the production of domestic hot water at the same time as the production of hot wter for heating or with units belonging to the separable plant separable DHW a part of the plant can be separated from the base plant to product domestic hot water completely independently and not at the same time as the heating system the...

Страница 127: ...nfiguration stage is complete proceed directly to paragraph 4 5 3 PLANT CONFIGURATION INSTRUCTIONS where it is possible to define the operating mode of the plant 4 5 2 2 Multi DDC Binding In order to configure a Multi DDC plant it is necessary to carry out 5 operations strictly in the order described and following the instructions given in the paragraphs indicated 1 Setting ID 4 4 1 1 each DDC is ...

Страница 128: ...NG MODE MANUAL MAN RYWm RYWa ExtT AmbT WCmp MON CUST Global On Off X X X X X Partial On Off X X X X X Global water T timer X X X X X Partial water T timer X X X X X External Temperature X X X Chronothermostat X X Climatic curve X X RY RW X X X AutoYW X X X In CUSTOM operating mode it is possible to select freely the ON OFF commands that determine the activation of the plant It is not possible to s...

Страница 129: ...ulation parameters see paragraph 4 4 2 6 4 on page 96 and for separable plants paragraph 4 4 2 5 4 on page89 In the presence of third party boilers Auxiliary boiler operation see paragraph 4 4 2 6 2 on page 94 Rated plant power see paragraph 4 4 2 6 3 on page 95 In the case of common water pumps managed by RoburBox RoburBox water pump delay see paragraph 4 4 2 6 5 on page98 and for separable plant...

Страница 130: ...imer programming relative on off command always ON and default setpoint in use position the cursor on the button and press the knob General water T timer command symbol not active WARNING DISABLING THE GENERAL WATER T TIMER ENTAILS AUTOMATICALLY DISABLING THE PARTIAL WATER T TIMER Button for enabling disabling Partial water T timer disabled for plants managed by a single DDC If enabled the specifi...

Страница 131: ...nt control menu Closing the R Y and or R W contacts on connector D located on the rear of the Direct Digital Controller see Figure 13 on page 54 determines the activation of the corresponding plant Closing R Y activates the cooling plant or the two line cooling heating plant if it is in COOLING mode Closing R W activates the heating plant or the two line cooling heating plant if it is in HEATING m...

Страница 132: ...ant ensure that all the operating parameters have been correctly configured To access the Heating Cooling Plant Control menu select from the initial screen The figure on the right shows the screen of the Plant control menu and the relative buttons commands described below Main ON OFF switch the switch is disabled in this operating mode Group ON OFF switch the switch is disabled in this operating m...

Страница 133: ...lant control menu and the relevant button described below Main ON OFF switch Turn the knob to position the cursor on the button and press the same to activate it symbol of the ON OFF button in the ON position In case of Multi DDC plant it is ON only on the Master DDC on the Slave DDC s it reflects the ON OFF status set on the Master The plant may be activated only if either of the following condit...

Страница 134: ...ng to COOLING mode if currently in heating mode Activation of the units Closing the contacts R W of connector D located on the rear of the Direct Digital Controller see Figure 13 on page 54 entails Switching on the plant Passing to HEATING mode if currently in cooling mode Activation of the units Opening the R Y or R W contacts entails KEY R1 On off command relay contacts not supplied as standard ...

Страница 135: ...ters Default set point see paragraph 3 4 1 1 1 1 on page 31 Water Differential see paragraph 4 4 2 6 1 on page 93 and for separable plants paragraph 4 4 2 5 3 on page88 Regulation parameters see paragraph 4 4 2 6 4 on page 96 and for separable plants paragraph 4 4 2 5 4 on page89 In the presence of third party boilers Auxiliary boiler operation see paragraph 4 4 2 6 2 on page 94 Rated plant power ...

Страница 136: ...ermostat button disabled on off command disabled in RYWa operating mode COOLING HEATING switching button the switch is disabled in this operating mode The symbol indicates the current operating mode in any case To access the DHW Plant control menu follow the indications given below 1 Select the icon from the initial screen and press the knob to gain access to the screen displaying the operating pa...

Страница 137: ...MODE 2 LINE PLANTS ONLY 4 5 3 1 4 Instructions for operation in AmbT mode In AmbT operating mode the ON OFF command of the units is managed by a temperature sensor supplied as an optional extra operating range 29 9 C 109 9 C 21 8 F 229 8 F located in the environment to be cooled or heated see example of sensor connection in Figure 28 For two line hot cold plants the selection of COOLING or HEATING...

Страница 138: ...bient temperature value set the differential value set T Diff is reached In heating mode see Figure 30 the units start until the temperature value set T is reached when the ambient temperature value set T is reached the plant switches off and switches on again if subsequently the ambient temperature value set the differential value set T Diff is reached For operation with an ambient temperature se...

Страница 139: ... page 96 and for separable plants paragraph 4 4 2 5 4 on page89 Differential see paragraph 3 4 1 2 1 on page 41 Chronothermostat set points see paragraph 3 4 1 2 2 on page 42 Chronothermostat see paragraph 3 4 1 2 3 on page 43 In the presence of third party boilers Auxiliary boiler operation see paragraph 4 4 2 6 2 on page 94 Rated plant power see paragraph 4 4 2 6 3 on page 95 In the case of comm...

Страница 140: ...plant control and Separable DHW plant control the screen shown in the figure below will be displayed on the screen The figure shows the screen of the DHW plant control menu and the relevant button described below Main ON OFF switch Turn the knob to position the cursor on the button and press the same to activate it symbol of the ON OFF button in the ON position In case of Multi DDC plant it is ON ...

Страница 141: ...redefined and may not be modified It is however possible to exclude some of them by configuration of the Plant control menu When plant configuration is complete it is always necessary to set the following parameters Default set point see paragraph 3 4 1 1 1 1 on page 31 Water Differential see paragraph 4 4 2 6 1 on page 93 and for separable plants paragraph 4 4 2 5 3 on page88 Regulation parameter...

Страница 142: ...ed also use the partial hourly programming see paragraph 3 4 1 1 1 4 Partial water T timeri Chronothermostat button disabled command not available in ExtT operating mode COOLING HEATING switching button two line hot cold plants only COOLING HEATING To access the DHW Plant control menu follow the indications given below 1 Select the icon from the initial screen and press the knob to gain access to ...

Страница 143: ...mperature is determined depending on the external temperature and the climatic curve for 2 pipe hot cold plants the functioning selection in COOLING MODE or HEATING MODE is carried out manually by the user via the Heating Cooling Plant Control menu of the Digital Panel via the icon present within the same menu In cooling mode the temperature of the water lowers on increase of the external temperat...

Страница 144: ...4 1 3 1 on page 46 Differential see paragraph 3 4 1 3 2 on page 47 Climatic curve parameters on page 110 Building time constant see paragraph 4 4 1 10 on page77 ExecutionReset external temperature filter see paragraph 4 4 1 11 on page77 Enabling of climatic curve see paragraph 3 4 1 1 1 2 on page 33 Chronothermostat set points see paragraph 3 4 1 2 2 on page 42 Chronothermostat see paragraph 3 4 1...

Страница 145: ... the heating or cooling service NOTE continuing to press the knob the sequence is repeated NOTE the climatic curve function remains active in all modes stated above NOTE if the symbol on the button is it means that the climatic curve function has been disabled by the menu Enabling of climatic curve paragraph 3 4 1 1 1 2 on page 33 COOLING HEATING switching button two line hot cold plants only COOL...

Страница 146: ...the text description of the command indicates that the command is disabled To enable the command position the cursor on and press the knob The symbol indicates that the command has been enabled The on off commands available in CUSTOM mode are GenPwr Plant master switch for switch on and switch off GrpPwr Partial plant on off switch Multi DDC plants only GenTmr General water T timer on switch GrpTm...

Страница 147: ...ed have been programmed it is possible to proceed with switch on via the Plant control menu Switching on the plant in CUSTOM mode Plant control Before switching on the plant ensure that all the operating parameters have been correctly configured To access the Plant control menu select COOLING HEATING SERVICE CONTROL MENU see page 11 The number of buttons enabled in the Plant control menu depends o...

Страница 148: ...present 3 To locate the unit where the error has occurred select If no error has occurred the message No error appears 4 Use the vertical scroll arrows to view all the events present on the unit The key gives access to the Units management menu should it be necessary to perform an error reset or reset of the Flame control unit The button i allows to access the INFORMATION MENU related with the sel...

Страница 149: ...If the machine is on If the unit is off no symbol appears next to the machine ID If the machine has been excluded from the plant via the option in the Units management menu If the unit is performing a defrosting cycle Option only for GAHP A and GAHP AR units If the unit is off because the limit thermostating temperature value has been reached KEY A Date event detected B Time event detected C Event...

Страница 150: ...dicated to the production of chilled water Select to pass to the screens for the modules dedicated to the production of hot water To access the menu follow the instructions below 1 Select from the main screen 2 Select to access the Functional data menu 3 Turn the knob to select the Plants menu and press the knob to access the menu 4 Select the plant for which to view the machine status for two lin...

Страница 151: ...hine from which they originate according to the indications provided in the table below UNIT ERROR WARNING NOTE DDC 10 10 The code for errors generated by the DDC is composed of four digits the first two indicate the type of unit in error status 10 for the DDC the other two the error type ACF 60 0 0 The error code for the DHW module is composed of 3 digits the first defines the machine type 0 for ...

Страница 152: ... error occurs E 1005 RY and RW both ON RY and RW contacts both closed This error occurs only for two line hot cold plants whose on off command configuration allows the RY RW contacts to be used to determine the cooling heating operating mode of the plant if both contacts are closed This condition if detected is tolerated for a short period It may only be generated on a Master DDC E 1006 AmbT senso...

Страница 153: ...t are part of the separable plant It can be generated only on the Master DDC for Multi DDC plants E 1014 C H valve mismatch configuration mismatch on RB100 or RB200 dedicated to the C H valve The error is generated in the event that another device with the same ID is configured on the communication network This error does not halt the system E 1015 C H valve off line RB100 or RB200 dedicated to th...

Страница 154: ...by the probes on the machine are used as the external temperature value However if an external temperature probe is installed connected to the DDC it is good practice to intervene to solve the problem as the detection based on the probes on the machine is normally less accurate due to exposure to the sun for example and of the same effect of the heat generated by the machines E 1026 ID PDC Conflic...

Страница 155: ...lso be generated when updating the RB200 and or reconfiguring the module managing the probe not followed by a new machine configuration on the DDC The error halts the system the generators are switched off if the DDC uses this probe to regulate the plant in this case it is present together with error E1030 The error clears off in the event of a communication reset or completion of the configuratio...

Страница 156: ... Primary Water pump Offline See description E 1052 E1055 C H Pri W Pump Conflt 2 line Cooling or Cooling Heating Plant Primary Water pump Configuration Conflict The error is generated in the event that another device with the same ID is configured on the communication network This error does not halt the system E1056 H Prim W Pump Conflt Heating Plant Primary Water pump Configuration Conflict See ...

Страница 157: ...is interrupted The error may also be generated when updating the RB200 and or reconfiguring the module managing the water pump not followed by a new machine configuration on the DDC The error halts the system the generators are switched off The error clears off in the event of a communication reset or completion of the configuration depending on the cause which generated it E1063 H Secon W Pump Of...

Страница 158: ...THE ENCODER 10 2 4 COOLING HEATING SERVICE CONTROL MENU 11 2 5 BASE AND SEPARABLE DHW SERVICE CONTROL MENU 15 2 6 ALERTS MENU 16 2 7 ERROR RESET 16 2 8 FLAME CONTROL UNIT RESET 18 SECTION 3 FUNCTIONS OF THE DIRECT DIGITAL CONTROLLER 19 3 1 MAIN MENU 19 3 2 FUNCTIONAL DATA 20 3 2 1 DDC INFORMATION 20 3 2 2 UNITS INFORMATION 20 3 2 3 PLANTS 21 3 2 3 1 Plant temperatures 21 3 2 3 2 Machine status 21 ...

Страница 159: ...t 31 3 4 1 1 1 2 Enabling of climatic curve 33 3 4 1 1 1 3 General water T timer 34 3 4 1 1 1 4 Partial water T timer 35 3 4 1 1 2 Domestic hot water 37 3 4 1 1 2 1 Base plant water timer 37 3 4 1 1 2 2 Separable plant water timer 39 3 4 1 2 Ambient Setup 41 3 4 1 2 1 Differential 41 3 4 1 2 2 Chronothermostat set points 42 3 4 1 2 3 Chronothermostat 43 3 4 1 3 External ambient setup 46 3 4 1 3 1 ...

Страница 160: ...69 4 4 1 5 Checking machine configuration 73 4 4 1 6 Master DDC Setup Multi DDC plants only 73 4 4 1 7 Multi DDC configuration 74 4 4 1 8 Checking Multi DDC configuration 76 4 4 1 9 Third party product category 76 4 4 1 10 Building time constant 77 4 4 1 11 Reset external temperature filter 77 4 4 1 12 Technical assistance information 78 4 4 1 13 Communication protocol selection 79 4 4 1 14 Modbus...

Страница 161: ...ration 102 4 4 2 6 10 Heating DHW select 119 4 4 2 6 11 Base DHW service configuration 120 4 5 INSTRUCTIONS FOR DDC PLANT CONFIGURATION 124 4 5 1 INTRODUCTION 124 4 5 2 DDC CONFIGURATION INSTRUCTIONS 125 4 5 2 1 Single DDC configuration 125 4 5 2 2 Multi DDC Binding 125 4 5 3 PLANT CONFIGURATION INSTRUCTIONS 126 4 5 3 1 Configuring operating mode 126 4 5 3 1 1 Instructions for operation in MAN mod...

Страница 162: ...m of continuously improving the quality of its products Robur S p A reserves the right to modify the data and contents of this manual without prior notice ROBUR S p A Via Parigi 4 6 24040 Verdellino Zingonia Bergamo Tel 035 888111 Fax 035 884165 INTERNET www robur it e mail robur robur it ...

Страница 163: ......

Страница 164: ...rgy efficiency products through the commitment and caring of its employees and partners Robur Mission Robur Spa advanced heating and cooling technologies Via Parigi 4 6 24040 Verdellino Zingonia Bg Italy T 39 035 888111 F 39 035 4821334 www robur com export robur it Codice D LBR249 273 rev F 13 MCM SDC 001 15 01 2013 ...

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