RCC.RUI Remote Display User Manual
Contents
1. which will be displayed for about 3 seconds then the number 2 will display will all three digits blinking Press the UP and DOWN ARROWS to select between available sensor types 2 2K sensor 10 10K sensor Press and hold ENTER for2 3 seconds until the display changes to dEt Defrost Type which will be displayed for about 3 seconds then the letter E will display with all three digits blinking Press the UP and DOWN ARROWS to select between available defrost types E Electric A Airfoff cycle H Hot Gas Press and hold ENTER for2 3 seconds until the display changes to rCt midt bl Control Valve Type which will be displayed for about 3 seconds then the default number 3 Stepper EEV will display with all three digits blinking Press the UP and DOWN ARROWS to change from the default valus to valve type 1 LLSV orvalve type 2 Mechanical TAY Press and hold ENTER for2 3 seconds until the display changes to t t The contioller is now in TEST MODE awaiting further commands see menu list For the latest technical documentation visit www novar com manuals pi Part RCC RUI Figure 4 Test Mode initialization with Stepper Electronic Expansion Valve EEV Case Stepper EEV 1 Enter PIN number 2 Sensor Type 2 or 10 3 Defrost Type E A H 4 Valve Type 3 5 Valve Step Rate 6 Maximum Valve Steps 7 Motor Type 8 Superheat Method 9 Refrigerant Type RCC RUI User Manual 4 13 2015 Power2. is set to anything other than zero 0 the test mode will no longer appear in the RUI Display RCC RUI User Manual 4 13 2015 For the latest technical documentation visit www novar com manuals 3 Part RCC RUI Overview Status LEDs BACnet Status if RED there is no BACnet network connection to the RCC 1081 Senso Status if RED there is a fault in a sensor G Controller Status if WHITE the RCC 1081 is running properly Menu Navigation Buttons BACK Button retum to previous Menu or Parameter ENTER Button used to enter and save Parameters LEFT and RIGHT ARROWS used to move between Menu columns UP and DOWN ARROWS used to scroll up and down through parameter columns Figure 1 Status LEDS The RCC RUI Remote User Interface is a multi purpose user interface allowing RCC 1081 Case Controller users to view and modify some but not all configurable parameters within a RCC 1081 Case Controller Its primary function is to display operational status of its associated controller and refrigerated display case while also allowing local TEST MODE configuration of stepper valve and digital output connections useful for stand alone case commissioning and trouble shooting The following are some key features and things to remember when using the RCC RUI The RCC RUI keypad may be Enable Disabled remotely from the Opus Executive controller The RCC 1081Case Controller default mode out of the box i
3. 2015 For the latest technical documentation visit www novar com manuals 2 Part RCC RUI forced into desired states but they will stay that way until manually changed or if the RCC 1081 receives a program download from a system Executive Control Module like the Opus XCM Upon first entering the Test Mode You must go thru the menus and enter all the required information to initially configure it for the type of valve controlled type of refrigerant used etc In this mode you can also go into the network menu nEt to enter network communication information such as baud rate and address When in this mode the Run menu will only show the state of the outputs and allow them to be overridden Upon completion of the initial Test Mode configuration additional parameters and operational modes become available allowing the user to view all process variables and alarms as well as providing the ability to toggle individual digital outputs ON or OFF for troubleshooting purposes IMPORTANT VG There is no case air temperature control when in TEST MODE Detailed explanations of available Test Mode functions are described later in this document while the sections that follow outline the basic number of steps required to initialize TEST MODE based on the type of refrigeration valves that are connected NOTE Z Once the RCC 1081 receives a program download via BACnet communications and the Multi state variable 0 MSVO APP mode
4. RCC RUI Process Variables Air Temperature Cut Out CCt Discharge Air Temperature dAt Defrost Termination Temperature dtP Currently selected refrigerant rFG Superheat Value SUH Current EEV or EEPR open POS Suction Pressure reading SUP Suction Temperature SUt saturation Temperature SAt Evaporator Inlet Temperature Eit Evaporator Outlet Temperature Eot Current System Cycle APP Figure 9 Pro in test mode Normal Operating Mode During normal operation of the RCC 11081 Controller in all configuration Modes except the Mode 6 Remote I O Mode the RCC RUI will display the following information in the following priority order 1 Display any alarms that are present 2 Display dEF if in defrost drain fan delay or pull down cycle Continue to display dEF until Air Temperature reaches set point or 15 minutes has elapsed after fan delay 3 Display Air Temperature value being used by the RCC 1081 RCC RUI User Manual 4 13 2015 For the latest technical documentation visit www novar com manuals 19 Part RCC RUI Controller When in configuration Mode 6 the RCC RUI display will normally be blank if there is no User Defined value written to it and will display Err is if there is a BACnet Communications Failure alarm If no display button is pressed within 60 seconds the display will go back into the Normal display mode and the User s PIN will be 222 RCC RUI User Manual 4 13 20
5. Temperature superheat control type Press and hold ENTER for2 3 seconds until the display changes to Ft Refrigerant Type which will display for about 3 seconds then 404 will display wath all 3 digits blinking Note if Superheat Contiol Type was selected the controller will leave the Initialization mode without the need for selecting Atefiigerant type Pressthe UP and DOWN ARROWS to scroll between the supported ref ngarani a until the rad ad code is displayed see reference able When the desired refrigerant type is displayed press and hold ENTER for2 3 seconds until the display changes to t t The contioller is now In TEST MODE awaiting further commands see menu list Part RCC RUI Figure 5 Test Mode Initialization with Pulse EEV Case Pulse EEV 1 Enter PIN number 2 Sensor Type 2 or 10 3 Defrost Type E A H 4 Valve Type 4 5 Superheat Method 6 Refrigerant Type RCC RUI User Manual 4 13 2015 Power up the newly installed RCC 1061 The RCC RUI will display tSt Press ENTER The display will read PIN for3 seconds then 000 wath the first digit blinking awaiting a new value Use the LEFT RIGHT plus UP and DOWN ARROWS to enter the required PIN number 222 is the default Press and hold ENTER for2 3 seconds until the display changes to tYP Temperature Sensor Type which will be displayed for about 3 seconds then the number 2 will display will all three digits blinking Press th
6. com RCC RUI User Manual 4 13 2015 For the latest technical documentation visit www novar com manuals 27
7. enter the DRAIN Cycle State e If Defrost Termination Temperature sensor alarm is active the RCC 1081 will enter a DRAIN Cycle State when the Max Defrost Timer times out If Refrigeration Control Valve Type EEPR e If Terminate Defrost on Temperature is enabled o Then when any of the enabled Defrost Termination Temperatures Case 1 Case 2 Case 3 Case 4 Case 5 is greater than Defrost Termination Temperature set point turn off the corresponding Case defrost heater relay e When all Defrost Termination Temperatures are greater than the Defrost Termination Temperature set point the RCC 1081 will enter DRAIN mode e If any Defrost Termination Temperature sensor alarm is active the RCC 1081 will enter a DRAIN Cycle State when the Max Defrost Timer times out DRAIN Cycle State LLSVI is de energized If EEPR or SFV Secondary Fluid Valve is selected either valve is fully closed Defrost relay or relays are de energized Fans relay is de energized If EEV is selected valve is fully closed When drain timer times out default 2 minutes the RCC 1081 will enter FAN DELAY mode FAN DELAY Cycle State LLSVI is energized If EEPR or SFV Secondary Fluid Valve is selected either valve is fully opened Defrost relay or relays are de energized Fans relay is de energized If EEV is selected modulate flow to control superheat to set point When Max Fan Delay Timer times out default to 3 RCC RUI User Manua
8. rate is blinking Press and hold ENTER for2 3 seconds until the display changes to StC Maximum Step Count which will be displayed for about 3 seconds then the current value of the maximum pit he will displayed with the 1 s digits blinking Press the UP DOWN LEFT or RIGHT ARROWS until the desired 3 digit maximum step count divided by 10 is blinking Press and hold ENTER for2 3 seconds until the display changes to U b Motor Type which will be displayed for about 3 seconds then bIP will display with all 3 digits blinking For the latest technical documentation visit www novar com manuals 8 Part RCC RUI Pressthe UP and DOWN ARROWS to toggl gd nie between options bIP and Uni where bil 3 bipolar 404 R 404a O7A R 407a 07C R 407c O7F R 407F n40 N40 744 R 744 402 R 402a 408 R 408a 409 R 409a 410 R 4108 417 R 417a 22A R 422 22b R 422b 22d R 422d 502 R 502 907 R 507 134 R 134a r22 R22 Table 1 RCC RUI User Manual 4 13 2015 For the latest technical documentation visit www novar com manuals 9 motortype and Uni unipolar motor type Press and hold ENTER for2 3 seconds until the display changes to SHC Superheat Control Type will display for about 3 seconds then Pt will display with all 3 digits blinking Press the UP and DOWN ARROWS to toggle between options Pt and tt where Pr Pressure Temperature superheat controltype and tt Temperature
9. up the newly installed RCC 1081 The RCC RUI will display tSt Press ENTER The display will read PIN for3 seconds then 000 with the first digit blinking awaiting a new value Usethe LEFT RIGHT plus UP and DOWN ARROWes to enter the required PIN number 222 is the default Press and hold ENTER for2 3 seconds until the display changes to tYP Temperature Sensor Type which will be displayed for about 3 seconds then the number 2 will display will all three digits blinking Press the UP and DOWN ARROWS to select between available sensor types 2 2K sensor 10 10K sensor Press and hold ENTER for2 3 seconds until the display changes to dEt Defrost Type which will be displayed for about 3 seconds then the letter E will display with all three digits blinking Press the UP and DOWN ARROWS to select between available defrost types E Electric A Airfoff cycde H Hot Gas Press and hold ENTER for2 3 seconds until the display changes to Ct Refrigeration Control Valve Type which will be displayed for about 3 seconds then the default number 3 Stepper EEV will display with all three digits blinking Leave the value at 3 Press and hold ENTER for 2 3 seconds until the display changes to Sti valve step rate which will be pb tnt hn for about 3 seconds then the current valus or the step rate will displayed with the 1 s digits inking Press the UP DOWN LEFT or RIGHT ARROWS until the desired 3 digit step
10. 15 For the latest technical documentation visit www novar com manuals 20 Appendix 1 Using Multiple RUI s with RCC 1081 Mode 4 Overview Ly Ma g EL m A 4 i EEPR Part RCC RUI Mode 4 of the RCC 1081 is for control of a circuit s EEPR valve If the EEPR is located near the cases and if the cases use conventional TX V s non electronic then a single RCC 1081 can drive 5 RUI s to monitor up to 5 case temperatures Each RUI will display the discharge air and defrost termination temperature sensors of its associated case The multiple displays are connected via an RCC RUI Hub and each must be set up with a unique address An example for this equipment set up is as follows ii z DON gt PE Le oe Re ag m i Figure 10 Example shows 4 cases but up to 5 are supported In this drawing the EEPR the 4 displays and associated temperature sensors are all connected to I RCC 1081 operating in Mode 4 The cases have conventional TXV s Refer to the installation instructions for connecting multiple displays via an RUI Hub NOTE Multiple displays can only be used with an RCC 1081 configured for Mode 4 If used in any application other than Mode 4 RUI s with addresses greater than I will display an error message of diS disabled no temperature associated with this address RCC RUI User Manual 4 13 2015 For the latest technical documen
11. Defrost termination temperature 50 0 deg F Maximum defrost time 10 minutes Terminate defrost on temperature with time as backup Control Valves LLSV TXV Stepper EEV or Pulse EEV Temperature Input 2 is set to Discharge Air Temperature Temperature Input 3 is set to Defrost Termination Temperature Relay output 1 is set to Lights relay Relay output 2 is set to LLSV I relay Relay output 3 is set to Defrost relay Relay output 4 is set to Fans relay Relay output 5 7 are Unused Relay output 8 is set to Anti Sweat relay unless Refrigeration Control Valve Type is Pulse EEV Sequences of Operation cont Superheat Control If DX System with EEV and Superheat Control Type Pressure Temp Universal input 1 is set to Suction Pressure e If refrigerant R 744 then pressure range is 0 500 psig e If refrigerant R 410a then pressure range is 0 300 psig e If any other refrigerant selected then pressure range is 0 150 psig Temperature Input 1 is set to Suction Temperature If DX System with EEV and Superheat Control Type Temp Temp Universal input 1 is set to Coil Inlet Temperature Temperature Input 1 is set to Coil Outlet Temperature Circuit Control If Refrigeration Control Valve Type EEPR If the number of Cases Evaporators is equal to I Relay output 1 is set to Circuit Lights pilot relay Relay output 2 is set to Circuit LLSV I relay Relay output 3 is set to Case 1 Defrost relay Relay
12. RROWS to scroll between the supported refrigerant types until the desired refrigerant code is displayed see reference table 1 When the desired refrigerant type is ml tel toh press and hold ENTER for 2 3 seconds until the display changes to tSt The controller is now in TEST MODE awaiting further commands see menu list For the latest technical documentation visit www novar com manuals 10 Part RCC RUI Figure 6 Test Mode initialization with Stepper EEPR Circuit Stepper EEPR 1 Enter PIN number 2 Sensor Type 2 or 10 3 Defrost Type E A H 4 Valve Type 5 5 Valve Step Rate 6 Maximum Valve Steps 7 Motor Type 8 Number of Cases 1 5 RCC RUI User Manual 4 13 2015 Power up the newly installed RCC 1081 The RCC RUI will display t t Press ENTER The display will read PIN for3 seconds then 000 with the first digit blinking awaiting a new value Use the LEFT RIGHT plus UP and DOWN ARROVWs to enter the required PIN number 222 Is the default Press and hold ENTER for2 3 seconds until the display changes to tY P Temperature Sensor Type which will be displayed for about 3 seconds then the number 2 will display will all three digits blinking Press the UP and DOWN ARROWS to select between available sensor types 2 2K sensor 10 10K senson Press and hold ENTER for2 3 seconds until the display changes to dEt Defrost Type which will be displayed for about 3 seconds then th
13. and DOWN ARROWS to toggle between options bIP and Uni where biF bipolar motortype and Uni unipolar motor type Press and hold ENTER for2 3 seconds until the PARA changes to EPr Number o cases ev aporators which will be displayed for about 3 seconds then the value for number o cases svaporators 1 5 maximum will display with the 1 s digit blinking Pressthe UP and DOWN ARROWS to increment or decrement to the desired number of connected cases svaporators 5 maximum When the desired number is displayed press and bled ENTER for2 3 seconds until the display stops inking Theconttoller is now In TEST MODE awaiting further commands see menu list Default Sequences of Operation Until the RCC 1081 receives program changes thru either the RUI or via BACnet communications the following is a description of the sequence of operation Defrost Operation If Electric Defrost Selected Fans are OFF during defrost Defrost termination temperature 50 0 deg F Maximum defrost time 30 minutes Terminate defrost on temperature with time as backup If Air Off Cycle Defrost Selected Fans are ON during defrost Defrost termination temperature 40 0 deg F Maximum defrost time 40 minutes Terminate defrost on time If Hot Gas Defrost Selected Fans are OFF during defrost RCC RUI User Manual 4 13 2015 For the latest technical documentation visit www novar com manuals 12 Part RCC RUI
14. e UP and DOWN ARROWS to select between available sensor types 2 2K sensor 10 10K sensor Press and hold ENTER for2 3 seconds until the display changes to Et Defrost Type which will be displayed for about 3 seconds then the letter E will display with all three digits Blinking Press the UP and DOWN ARROWS to select between available defrost types E Electric A Airfoff cycle H Hot Gas Press and hold ENTER for 2 3 seconds until the display changes to 1Ct Refrigeration Control Valve Type which will bs displayed for about 3 seconds then the default number 3 Stepper EEY will display with all three digits blinking Press the UP and DOWN ARROWS to art from the default value to vake type 4 Pulse EEV Press and hold ENTER for 2 3 seconds until the display changes to SHC Superheat Control Type will display for about 3 seconds then Pt will display with all 3 digits blinking Press the UP and DOWN ARROWS to toggle between options Pt and tt where Pt Pressure Temperature superheat controltype and tt Temperature Temperature superheat controltype Press and hold ENTER for2 3 seconds until the display changes to Ft Refrigerant Type which will display for about 3 seconds then 404 will display with al 3 digits blinking Note if Superheat Control Type it was selected the controller will leave the nitla arefrlgerant type ization mode without the need for selecting Press the UP and DOWN A
15. e letter E will display with all three digits blinking Press the UP and DOWN ARROWS to select between available defrost types E Electric A Airfoff cycle H Hot Gas Press and hold ENTER for2 3 seconds until the display changes to rCt Refrigeration Control Valve Type which will be displayed for about 3 seconds then the default number 3 Stepper EEV will display with all three digits blinking Press the UP and DOWN ARROWS to change from the default value to valve type5 Stepper EEPR Press and hold ENTER for2 3 seconds until the display changes to Str valve step rate which will be displayed for about 3 seconds thenthe current value of the step rate will displayed with the 1 s digits blinking For the latest technical documentation visit www novar com manuals 1 1 Part RCC RUI Pressthe UP DOWN LEFT or RIGHT ARROWS until the desired 3 digit step rate is blinking Press and hold ENTER for2 3 seconds until the display changes to S1C Maximum Step Count which will be displayed for about 3 seconds then the current value of the maximum siops will displayed with the 1 s digits blinking Press the UP DOWN LEFT or RIGHT ARROWS until the desired 3 digit maximum step count divided by 10 is blinking Press and hold ENTER for2 3 seconds until the display changes to Ub Motor lee which will be displayed for about 3 seconds then biP will display with all 3 digits blinking Press the UP
16. emperature sensor alarm A4A 5 air temperature sensor alarm A5A 1 defrost term temperature sensor alarm d1A 2 defrost term temperature sensor alarm d2A 3 defrost term temperature sensor alarm d3A 4 defrost term temperature sensor alarm d4A 5 defrost term temperature sensor alarm d5A Serial Communication Fault with RCC 1081 PrF RCC RUI User Manual 4 13 2015 For the latest technical documentation visit www novar com manuals 26 Part RCC RUI Opus is a trademark of Honeywell International Ethernet is a registered trademark of Xerox Corporation MODBUS is a registered trademark of Schneider Electric Niagara is a registered trademark of Tridium NovarNet is a registered trademark of Honeywell International The material in this document is for information purposes only The content and the product it describes are subject to change without notice Novar makes no representations or warranties with respect to this document In no event shall Novar be liable for technical or editorial omissions or mistakes in this document nor shall it be liable for any damages direct or incidental arising out of or related to the use of this document No part of this document may be reproduced in any form or by any means without prior written permission from Novar Copyright 2015 by Honeywell International Inc All Rights Reserved Novar 6060 Rockside Woods Blvd Cleveland OH 44131 Phone 1 800 348 1235 www novar
17. energized If EEPR or SFV Secondary Fluid Valve is selected either valve is fully open Defrost relay or relays are de energized Fan relay is energized If EEV is selected modulate flow to control superheat to set point When defrost interval times out default 6 hours it will enter PUMP DOWN mode PUMP DOWN Cycle State LLSVI is de energized If EEPR or SFV Secondary Fluid Valve is selected either valve is fully closed Defrost relay or relays are de energized Fans relay is energized If EEV is selected valve is fully closed When pump down timer times out default 3 minutes will enter DEFROST DEFROST Cycle State LLSVI is de energized If EEPR or SFV Secondary Fluid Valve is selected either valve is fully closed If air off time defrost is selected e Defrost relay is de energized RCC RUI User Manual 4 13 2015 For the latest technical documentation visit www novar com manuals 14 Part RCC RUI Else e Defrost relay or relays are energized If Fans Off During Defrost is selected e Fans relay is de energized Else e Fans relay is energized If EEV is selected valve is fully closed When max defrost timer times out based on AV56 will enter a DRAIN Cycle State If the Refrigeration Control Valve Type is not an EEPR e If Terminate Defrost on Temperature is enabled and the defrost termination temperature is greater than the Defrost Termination Temperature set point The RCC 1081 will
18. entation visit www novar com manuals 23 Appendix 2 RCC RUI Remote Display Quick Start Guide Mode Temp Display Screen Retum to previous Menu Parameter Toggle Sub Menus Test Mode Setup tSt Refrigeration Control Valve Type rCt Valve Step Rate Str Maximum Number of Valve Steps StC Motor Type U_b Number of Evaporators EPr Superheat Calculations SHC Refrigerant Type rFt RCC RUI User Manual 4 13 2015 For the latest technical documentation visit www novar com manuals Start up Mode Baud Rate bdr Max Number of Masters MAC Address Adr Part RCC RUI BACnet Communication Status Indicator Sensor Status Indicator Controller Status Indicator Enter Menu Parameters Toggle Menu Options 24 Part RCC RUI Test Mode stand alone operation lt i lt j Test Mode Setup tSt Manual Run Options rUn Network Setup nEt Alarm Status Alr Process Variables Pro Temperature Sensor Type tYP Relay Option 1 Or1 Baud Rate bdr No Alarms Active nOA Air Temperature Cut Out CCt Defrost Type dEt Relay Option 2 Or2 Max Number of Masters nnS Suction Pressure Sensor Alarm SPA Refrigeration Control Valve Type rCt Relay Option 3 Or3 MAC Address Adr Suction Temperature Sensor Alarm StA i a Valve Step Rate Str Vv v Air Temperature Sensor Alarm AtA Maximum Number of Valve Steps StC Defrost Temperature Senso
19. in this document beginning on page 6 The display will show either tSt or nEt to reflect these modes RUI s with addresses gt 1 will begin to display their temperatures Error Messages for slave RUI s those with an address gt 1 NOTE RCC RUI User Manual 4 13 2015 AxA Air Temperature sensor alarm the one matched to the display address dxA Discharge Temperature sensor alarm the one matched to the display address PrF The display is not communicating properly with the RCC 1081 diS The temperature sensors associated with this display are disabled These are the only alarms that will display on slave RUI s Other alarms only display on the master RUI address 1 For the latest technical documentation visit www novar com manuals 22 Part RCC RUI Additional Comments l RCC RUI User Manual 4 13 2015 The BACnet communication alarm LED only functions on the master RUI address 1 Therefore if the RCC 1081 loses BACnet communication it will only be indicated on the master RUI The sensor status LED functions on all RUP s but only for the sensors associated with its address There is no indication of an RUI address conflict Multiple addresses with display the same information In mode 4 all RUI s display only their associated temperatures The control temp hi low average or blended air temp can be viewed via the menus of RUI 1 For the latest technical docum
20. l 4 13 2015 For the latest technical documentation visit www novar com manuals 1 5 TEST MODE Default Alarms Part RCC RUI minutes the RCC 1081 will enter REFRIGERATION mode If the Defrost Termination Temperature is greater than Max Fan Delay Temperature set point default to 20 0 deg F the RCC 1081 will enter REFRIGERATION mode If defrost termination temperature sensor alarm is active the RCC 1081 will enter REFRIGERATION mode when Max Fan Delay Timer times out All alarms except for the BACnet Communication Alarm are disabled at power up Then when certain Sensors Inputs or Digital inputs are enabled due to the default TEST MODE settings the associated alarms for that sensor are automatically enabled by the RCC 1081 because these alarms have a RCC 1081 Controller action or default associated with them other than just reporting the alarm All other alarms must be specifically enabled by the user in order to have them available The possible default alarms in TEST MODE are RCC RUI User Manual 4 13 2015 Suction Pressure Sensor Alarm SPA Suction Temperature Sensor Alarm StA Discharge Air Temperature Sensor Alarm AtA Return Air Temperature Sensor Alarm ttA Defrost Termination Temp Sensor Alarm dtA Coil Inlet Temperature Sensor Alarm CiA Coil Outlet Temperature Sensor Alarm COA Refrigerant Leak Sensor Alarm LdA High Refrigerant Leak Alarm rLA Door Open Alarm dOA Air Temperature Sensor Alarms Ca
21. ncrement or decrement the blinking digit value After all three digits are set to the desired value press and hold ENTER for 2 3 seconds to save the new nns or Adr value For Baud Rate bdr all the digits will be blinking Press the UP or DOWN ARROWS to scroll through the available selections e 96 9600 baud e 192 19 2K baud e 384 38 4K baud e 576 57 6K baud e 768 76 8K baud When the desired value is reached press and hold ENTER for 2 3 seconds until the RCC 1081 Controller has accepted the new value and the digits stop blinking The RCC 1081 controller will then reset itself and begin to use the new parameter values RCC RUI User Manual 4 13 2015 For the latest technical documentation visit www novar com manuals 6 Test Mode Set up for Different Valve Types Part RCC RUI Figure 3 Test Mode initialization with Mechanical TX V or Secondary Loop LLSV Case Mechanical Valve TXV or LLSV 1 Enter PIN number 2 Sensor Type 2 or 10 3 Defrost Type E A H 4 Valve Type 1 or 2 RCC RUI User Manual 4 13 2015 Power up the newly installed RCC 1081 The RCC RUI will display tSt Press ENTER The display will read PIN for3 seconds then 000 with the first digit blinking awaiting a new value Use the LEFT RIGHT plus UP and DOWN ARROW s to enter the required PIN number 1222 is the default Press and hold ENTER for2 3 seconds until the display changes to YP Temperature Sensor Type
22. novar Part RCC RUI RCC RUI Remote Display User Manual Table of Contents Introduction RCC RUI refers to Refrigeration Case Controller Remote User Interface It is the user interface for RCC 1081 refrigeration case controller In this document is may be referred to simply as the RUI RCC RUI User Manual 4 13 2015 For the latest technical documentation visit www novar com manuals Part RCC RUI Setting the address of the RUI RUI Revision 2 or greater When the RUI display unit is powered up for the first time it will display rAd until it has an address assigned Press the Enter button The default address of 1 will be flashing Press and hold the Enter button for at least 2 seconds until the address stops flashing The address 1s now set After the address is set you can read it again by pressing the Back button and the right arrow button for about 2 seconds The address will be displayed and shown as long as the buttons are held When the buttons are released the RUI returns to normal display To clear the address of an RUI press and hold the Enter and left arrow buttons at the same time for about 6 seconds The display will return to rAd allowing you to re set the address You do not need to set an address in an RUI with a revision less than 2 It will only work as a master address 1 display Initial Operation of the RCC 1081 When the RCC 1081 case controller is powered
23. o address 255 all switches in the OFF position then the BACnet Network user may set the module s BACnet address using the Configuration RCC RUI as described below 1 Enter nEt mode If the 8 position address switch is set to anything other than 255 the RCC RUI will allow viewing or setting of 2 View Set Baud Rate the Baud Rate and Max Master network parameters but not the BACnet Address 3 View Set Max Master 4 View Set Address Figure 2 BACnet Network Configuration Setting RCC 1081 BACnet network parameters using the RCC RUI RCC RUI User Manual 4 13 2015 For the latest technical documentation visit www novar com manuals Use the LEFT or RIGH ARROWS to move through the menu columns until nEt is displayed Press ENTER Press the UP or DOWN ARROWS to scroll through the available parameters until you reach the parameter you want to view or change Press ENTER to view the parameter or press BACK to return back to the name of the parameter To change a parameter press and hold ENTER for 2 3 seconds until one of more of the parameter s digits begin to blink To abort a change press the BACK button which will cause the digits to stop blinking and return to showing the current value For Max Number of Masters nnS or the BACnet Address Part RCC RUI Adr the I s digit will start blinking Use the LEFT or RIGHT ARROWS to move the blinking digit to the left or right and the UP or DOWN ARROWS to i
24. output 8 is set to Circuit Fans pilot relay Universal input 6 is set to Case 1 Discharge Air Temperature Universal Input 1 is set to Case 1 Defrost Termination Temperature If the number of Cases Evaporators is greater than or equal to 2 Relay output 4 is set to Case 2 Defrost relay Universal input 7 is set to Case 2 Discharge Air Temperature Universal Input 2 is set to Case 2 Defrost Termination Temperature If the number of Cases Evaporators is greater than or equal to 3 Relay output 5 is set to Case 3 Defrost relay RCC RUI User Manual 4 13 2015 For the latest technical documentation visit www novar com manuals 1 3 Part RCC RUI Temperature input 1 is set to Case 3 Discharge Air Temperature Universal Input 3 is set to Case 3 Defrost Termination Temperature If the number of Cases Evaporators is greater than or equal to 4 Relay output 6 is set to Case 4 Defrost relay Temperature input 2 is set to Case 4 Discharge Air Temperature Universal Input 4 is set to Case 4 Defrost Termination Temperature If the number of Cases Evaporators is equal to 5 Relay output 7 is set to Case 5 Defrost relay Temperature input 3 is set to Case 5 Discharge Air Temperature Universal Input 5 is set to Case 5 Defrost Termination Temperature TEST MODE Run Time Cycles States The RCC 1081 will never be in an OFF Cycle State or CLEAN Cycle during TEST MODE REFRIGERATION Cycle State LLSVI is
25. r Alarm dtA Motor Type U_b Coil Inlet Temperature Sensor Alarm CiA Number of Evaporators EPr Coil Outlet Temperature Sensor Alarm COA Superheat Calculations SHC Relay Option 8 Or8 1 air temperature sensor alarm A1A Refrigerant Type rFt Blended Air Temperature bAt Discharge Air Temperature dAt gt L Defrost Termination Temperature dtP Currently selected refrigerant rFG Superheat Value SUH Current EEV or EEPR open POS Suction Pressure reading SUP 2 air temperature sensor alarm A2A Suction Temperature SUt 3 air temperature sensor alarm A3A Saturation Temperature SAt 4 air temperature sensor alarm A4A Evaporator Inlet Temperature Eit 5 air temperature sensor alarm ASA Evaporator Outlet Temperature Eot Current System Cycle APP ca 1 defrost term temperature sensor alarm d1A 2 defrost term temperature sensor alarm d2A 3 defrost term temperature sensor alarm d3A 4 defrost term temperature sensor alarm d4A 5 defrost term temperature sensor alarm d5A Serial Communication fault with RCC 1081 PrF RCC RUI User Manual 4 13 2015 For the latest technical documentation visit www novar com manuals 25 Part RCC RUI Normal Running Mode PIN Number Manual Run Options rUn Network Setup nEt Alarm Status Alr Process Variables PrO Current System Cycle OFFirEFtdE FtdrntF dL No Alarms Active nOA Air Temperature Cut Out CCt Clean Mode CLn Lo
26. s to have the RCC RUI keypad Enabled Many configurable parameters require the entry of a 3 digit PIN number before a modification is allowed The default PIN number is 222 When connected to a configured RCC 1081 the RCC RUI will display the Case s Blended Air Temperature control parameter during normal operation The Blended Air Temperature is configurable to use only the Discharge Air temp Return Air temp or a definable blend of Discharge and Return Air temps It will display it however it has been configured To view a parameter use the LEFT and RIGHT ARROWS to scroll side to side through the available MENU columns and the RCC RUI User Manual 4 13 2015 For the latest technical documentation visit www novar com manuals 4 Part RCC RUI UP and DOWN ARROWS to scroll up and down through each parameter name When the name of the MENU or parameter you want to view change is located press ENTER once to view its value Press BACK to go back one step To change a parameter press and hold ENTER for 2 3 seconds until the display begins flashing Modify the parameter using the UP or DOWN ARROWS and then press and hold ENTER again for 2 3 seconds to save the changed parameter BACnet Network Configuration Step by Step NOVI The RCC 1081 Case Controller provides users the option of setting its BACnet address using its B position onboard address switch or using the RCC RUI If the onboard 8 position address switch is set t
27. se 1 to 5 AIA A5A Defrost Termination Temperature Sensor Alarm Case 1 to 5 d1A d5A For the latest technical documentation visit www novar com manuals 1 6 Part RCC RUI Using TEST MODE No Alarms Active nOA Suction Pressure Sensor Alarm SPA Suction Temperature Sensor Alarm StA Air Temperature Sensor Alarm AtA Defrost Temperature Sensor Alarm dtA Coil Inlet Temperature Sensor Alarm CiA Coil Outlet Temperature Sensor Alarm COA Case 1 airtemperature sensor alarm A1A Case 2 air temperature sensor alarm A2A Case 3 air temperature sensor alarm A3A Case 4 airtemperature sensor alarm A4A Case 5 air temperature sensor alarm A5A Case 1 defrostterm temp sensor alarm d1A Case 2 defrost term temp sensor alarm d2A Case 3 defrost term temp sensor alarm d3A Case 4 defrost term temp sensor alarm d4A Case 5 defrost term temp sensor alarm d5A Serial Communication fault with RCC 1081 PrF Figure 7 Alarm in test mode RCC RUI User Manual 4 13 2015 For the latest technical documentation visit www novar com manuals 17 Part RCC RUI Output Relay Overrides Relay Output 1 Ort Relay Output 2 Or2 Relay Output 3 Or3 Relay Output 4 Ord Relay Output 5 Or5 Relay Output 6 Or6 Relay Output 7 Or Relay Output 8 Ors Figure 8 Run in test mode RCC RUI User Manual 4 13 2015 For the latest technical documentation visit www novar com manuals 1 8 Part
28. tation visit www novar com manuals 21 NOTE I Setting the RUI address when used in Mode 4 Part 4 RCC RUI If using mode 4 with multiple displays the minimum RCC 1081 version is 1 26 and the minimum RUI version is 2 0 In order to uniquely display the temperature of each case in the line up an address must be set in each display Display address 1 will read the first discharge air temperature and the first defrost termination sensor input numbers 6 and 1 respectively display address 2 will read the second discharge air temperature and second defrost termination sensor inputs 7 and 2 respectively etc The method of setting an RUI address is as follows When first connected to the RUI Hub the display will read rAd RUI address To change the address use the up and down arrows To save the desired address press and hold the Enter button for at least 2 seconds After the address is set you can read it again by pressing the Back button and the right arrow button for about 2 seconds The address will be displayed and shown as long as the buttons are held When the buttons are released the RUI returns to normal display To clear the address of an RUI press and hold the Enter and left arrow buttons at the same time for about 6 seconds The display will return to rAd allowing you to re set the address The display that is set to address 1 will go into the network and test mode setup as described
29. up for the first time it comes up in the Test Mode displayed as tSt on the display The Test Mode will only appear in the display when the RCC 1081 has not yet received a program download from a Novar executive module XCM After it receives a download the test mode disappears and can only be restored if the module is reset to factory default values from the Run menu The only time the RUI is assigned an address other than is when the RCC 1081 is in mode 4 For multiple RUI set up in mode 4 refer to Appendix I of this manual The Test mode is intended to be used in 2 special situations a During installation the test mode can be used to by Original Equipment Manufacturers OEM s during factory installation to force outputs on and off read sensors and test basic operation If the RCC 1081 is field installed this mode can also be used by the system installer during the initial start up of a refrigeration mechanical system at an End User site b Emergency Service Operation when all else fails the test mode can be used by service personnel to handle emergency situations to clear the internal program of the RCC 1081 and manual override operation put into effect This is done by resetting it to factory default values via the reset command that is in the Run menu Once reset the Run menu will only show the state of the digital outputs and allow them to be overridden Output points can be RCC RUI User Manual 4 13
30. w Superheat Alarm LSA Force Lights ortoff Lit High Superheat Alarm HSA Clear All Alarms CLA PIN Number Pin The default FIN Number is 222 j 9 Blended Air Temperature bAt Discharge Air Temperature dAt lt P gt 4 amp P j w fj f j f f f w j f j j f Suction Pressure Sensor Alarm SPA Defrost Termination Temperature dtP O O Reset to Factory Default rSt Suction Temperature Sensor Alarm St Currently selected refrigerant rFG Superheat Value SUH Current EEY or EEPR open POS Air Temperature Sensor Alarm AtA Defrost Temperature Sensor Alarm dtA Rifrigerant Leak Alarm rLA High Air Temperature 1 HAT1 Low Air Temperature 1 LA1 Suction Pressure reading SUP Suction Temperature SUt Saturation Temperature Sat BACnet Communication Timeout Alarm Err Door Open Alarm dOA Evaporator Inlet Ternperature Eit Evaporator Outlet Temperature E ot Coil Inlet Temperature Sensor Alarm CiA Current System Cycle APP Coil Outlet Temperature Sensor Alarm COA High Product Temperature Alarm HPA Low Product Temperature Alarm LPA Leak Sensor Alarm LdA j Return Air Temperature Sensor Alarm rtA High Air Temperature 2 HA2 Low Air Temperature 2 LA2 Product Temperature Sensor Alarm PSA 1 air temperature sensor alarm ATA 2 air temperature sensor alarm A2A 3 air temperature sensor alarm A3A 4 air t
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