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AK2-SC255 - Brassmonkey Technical

1. Select the location of C Program Files Danfoss Akcess May1st_06 File Edit Yiew Favorites Tools Help The Contact List s Bes Q Back gt wi py Search Folders WIN55 Programs C Program Files Danfoss Akcess May1 st_DE Bail E C Program Files Danfoss akcess May1st_06 J Go Hi Fil Size Type Date Modified istory Files C Program Files Danfoss 4kcess Maylst_Of _ File and Folder Tasks y 4 380KB Application 4 27 2006 11 04 AM 020 4 380 KB Application 4 27 2006 10 49 4M Database Files C Program Files Danfoss Akcess Maylst_Of _ E vEO2_020 cmot 3 453KB CMOTFile 4 27 2006 11 11 AM 3 559KB CMOTFile 4 27 2006 11 02 AM The User List C Program Files Danfoss 4kcess May1st_Of _ 4KB LCF File 2 8 2006 11 14 4M CD veE02_020_April27 zip 2 960 KB WinZip File 4 27 2006 11 24 AM CD yroz_020_April27 2ip 3 013KB WinZip File 4 27 2006 11 24 4M e Close the options dialog box and click on the Simulate Icon Select the icon None in the database pane and select VExx_xxx exe Select the RUN button and a new blank AK2 SC255 database will start cn AKA65 5 11 l ax d A a Directory IP Alarms History SREY Local Simulate Options Exit My Test Site Select database and or software for simulation Available Database Files Available Software Simulator Database Files WIN55 Programs C Program Files Danfoss 4kcess May1st_Of C Program Files Danfoss Ak
2. A maximum of 100 schedule types can be set and configured in the AK2 SC255 system The available schedule types range from Misc Not currently used Case Lighting Used to control the case lighting Night Setback Used to control the automatic raising of controller setpoint at desired time in association with Danfoss controllers Shutdown Used to automatically shut down a controller via the Main Switch command Defrost Used to control the complete refrigeration systems defrost schedule Coord Defrost Used in conjunction with coordinated defrost feature in Danfoss controls Schedule Management Page ATTICS Alarm a Use the Service function to globally Enable or Disable ALL schedules 09 57 50 PP Schedule Managemen Enter number of schedules required schedul e usage 7 Case Lighting Description Description 1 Enable this schedule Schedule 1 Disabled ee tii Using the drop down list select Num of schedules schedule Disabled schedule rites led the required schedule type schedule Disabled schedule Disabled schedule Disabled schedule Disabled 9 Schedule Disabled schedule Disabled schedule Disabled 2 Schedule Disabled schedule Disabled ochedule Disabled schedule Disabled PG DN for more 1 6 start Stop Days Holidays 1 06 00 AM 12 00 PM SMTWRFA 12345678 maf Oh Controllers Case Lighting setup Case lighting times vary from application to application but the following example highligh
3. Access accepted Addr 1 Name Suction Optimization s User file None Evap Summary Settings r12 Main switch Cutoutl temp rOl Differential r21 Cutout2 temp r22 Ther band Def start Def StopTemp Inject Close HighLiml Air LowLiml Air HighLim2 Air LowLim2 Air DI1 Config e 1 Init Upload Alarms 15 Doasfes Viewing status amp performance of Po Optimization Subsequent to setting up the Po Optimization the status and running conditions can be viewed At a quick glance the configured packs can be seen if the Po Optimization is Active or Not Set also the current running status From the Main Menu select Energy Energy From the Energy Menu select Suction Optimization From the resulting screen the current Pack Po Optimization status can be seen this status message is for information only but is a valuable tool in identifying under performing evaporators Selecting the relevant pack will bring up the Pack Optimization Graph screen This 24 Hr graph screen is designed to indicate which evaporator is under the most load and is continually updating Any resulting pack pressure float will be seen in this menu and the target evaporator that is declared under the heaviest load will show a beside the description The upper bar indicates the total time over the 24 Hr period that floating of the pack pressure has occurred TETE Alarm gt Use the Suction Optimizatio
4. ClimaTECH E Light Panel fl OIS Boards jg Calculations Carrier J DCu T irae Generic z WO2 Boards T Received Points Baik amp 8 amp Note that when the generic devices are added to the AK2 SC255 the default alarm value for off line alarms is Normal which will generate an alarm if the device is removed from the network The Alarm action type can be changed via a drop down box for example if a device is being repaired or is temporally out of the system change the alarm type to disable to stop false alarms Remember to set back the alarm type when required as potentially no alarms will be generated Of 16 06 04 08 06 PR T d Comm error Address Status 1 Offline Norma Offline A EN U EEG u 30 Doasfe Alarm routing summary The previous example shows how to configure the AK2 SC255 alarms for IP e mail modem printer routing In addition the red LED and siren was also described The Alarm Routing page is the central matrix setup that allows the user to define where alarms get sent or routed to Ensure the class System is ticked as this will allow the AK2 SC255 system and controller offline alarms to be generated For Generic controllers use the class Case for both evaporator and pack controllers Ensure that an alarm schedule is set so that alarms can get transmitted the factory default is 12 00 12 00 or 00 00 00 00 which is 24hrs thus allowing alarms to get routed at any time For e mail ala
5. Generic EKC amp AK2 devices have their own alarm setpoints held within the controller Upon the breach of the alarm limit and any time delay the controller will send an alarm to the AK2 SC255 The AK2 SC255 then has different options defined as alarm routing to forward the alarm to different locations For AK2 I O and general inputs the alarm limits and time delay can be set locally in the AK2 SC255 In both scenarios there are various options available to route the alarm out the following section describes the typical setup for EKC amp AK2 devices Alarm Configuration Page Main menu Configuration Alarms Refrigeration used in the R version of the AK2 SC255 Case HVAC isc Burglar Fire Miscellaneous used to alarm out on miscellaneous points System Alarms 04 06 10 F Configure System Alarms Type Level Host Comm error Normal Host count error Log Only I O Network fail Normal Alarm send failed Log Only No dial tone Log Only Low battery Log Only Flash memory fail Normal I O Comm error 0456255 F Generate system test alarm Normal Send one alarm on selected days fs Send on days SMTWRFA at 09 00 AM Suspend alarm generation No Service 24 Alarm Routing Alarm Routine Class Network Phone Local System Rack Rack other O 1 taI E CI be Led CRNJI amp he be reas nw es ty FER UPS 1 Remote Centre Of 16 06 04 02 40 PR Nt
6. Standard From 12 00 AM Days SMTWRFA To 12 00 AM Holidays 12345678 4 23 90 edule 2 Not Used fule 3 Not Used Printer Settings Yes Down BaEBSEE Modem Config The following alarm routing options are available eAlarm text string output via Ethernet e mail eAlarm text string output via analogue modem connection Alarm to OAB Office Alarm Box Alarm print out via local serial printer Navigate to the Alarm Configuration page via the Main menu Configuration Alarms Select Routing The AK2 SC255 has the capacity to manage alarms from a multitude of control areas These areas are known as Class groups and are listed on the left had side of the Alarm Routing page When using Generic EKC amp AK2 controllers select the class Case This is true for both case amp pack controls The Alarm Routing page offers up to 4 _ network IP address or e mail 3 phone numbers Office Alarm Box OAB and printer routes In order to direct the alarms to an IP address Phone OAB and printer select an x to the appropriate column Use the Network and Phone Numbers Phone Numbers buttons to program the appropriate Note that the class System is 55 Eee ERENS aa eens details also checked as this enables 3 3 AK2 SC255 system and 4 controller off line alarms Example PG DN for more The following example shows how to program the AK2 SC255 to route alarms fr
7. 31 Appendix 33 34 36 36 32 Off Line Programming Remote access System Screen Navigation screen layout amp local keypad Update AK2 SC255 System software Save System Setup Off Line Programming Remote access EKC514B1 O12x EKC514B1 012x EKCS14B1 012x Pre configured database file can then be loaded into AK2 SC255 One of the major advantages of using the AKA65 remote support software tool is that the previously described steps in commissioning a site can actually be done off line Utilizing the AKA65 tool allows the commissioning of a AK2 SC255 database to be completed and subsequently saved later to be loaded down to the AK2 SC255 In effect this means that the vast majority of the commissioning process can be done without prior to being on site To Commission off line and start a new database simply start up the AKA65 remote software tool and follow the steps below e Click the Options button check the Directories tab and ensure the AKA 65 is pointing to the correct WIN55 program x AKA65 5 1t fox The WINSS file is represented as a icon and is the program that the AKA65 uses to run the AK2 SC255 environment Ensure that the mile AKA 65 directories points to the folder that holds this file The E AKA65 Options x version of the AK2 SC255 is denoted by the file name VExx_xxx exe General Connections Calling Card History Graph Directories VIP Store al gt
8. A re X Alarm Configuration Routing x Phone Numbers Fe Refrigeration Gy Miscellaneous System yf Service be Alarm Internet G Printer Annunciator Modem Modem Contig Configure modem on this umt Modem Zoom Initialization String ATSFEQVIX48C180250 18KOWO N3 Baud Rate 38400 Line Type Tone Parity None Annunciator used in special multi relay output Disconnect method Power mit i st tot om Name eae Number 012345 678910 Date DD MM YY Lang English Send alarms when cleared Yes G Bi Name mRemote Centre Type Address 192 168 1 1 Time Date DD MM YY kort 3001 Data Bit 8 Stop Bit 2 Configure Modem 19 06 pmza iSi l I N 3 OAB PRN t UIER i I I sss ey Phone Numbers 1 Baud 38400 Init AT Time 12 Hour Delay 5 mn Schedule 1 Standard From 12 00 AM Days gt SMTWRFA To 12 00 AM Holidays 12345678 E mail Schedule 2 Not Used or Schedule 3 Not Used Remote AEI 12 12 40 T Network Connection 1 Remote 12 Hour Lang English Delay 5 min Send alarms when cleared Yes Schedule 1 Standard From 12 00 AM Days gt SMTWRFA To 12 00 AM Holidays 12345678 Schedule 2 Not Used Schedule 3 Not Used for more P 19 06 TEN EE Printer Baud EE Delay 5 min Date DD MM YY Time 12 Hour Lang English Send alarms when cleared Yes Settings Schedule 1
9. In order to assist in the operation of frequently used or key controller functions the AK2 SC255 has a easy to use F1 Manual Operation function By pressing the F1 key whilst in the Evap Summary screen the user can bring up a options box that allows key operational functions Select the appropriate manual operation and the system will ask for confirmation do not use the F keys for this confirmation Be aware that some manual override operations may cause stock loss if not used correctly i e Main Switch will stop refrigeration to the evaporator device The user must have correct authorization in order to use the manual operation function 05 06 2006 06 20 51 PP 37 gt EKC514B1 012x ID Description Value Status 37 Device P2 10 17 5 s28 Ambient Manual Operation Manual Operations e Defrost Triggers manual defrost e Cleaning Triggers Fans Only mode in controller e Lighting Toggles case lighting on off e Main Switch Turns controller on off e Schedule quick link button to schedule management page Some controllers may not support the manual operations check controller manual for more details Note that if no manual operation is required whilst in this page select Escape to exit from the pop up box 23 Alarm Routing Generic EKC amp AK2 controllers The AK2 SC255 receives data from the connected controllers sensors and inputs when an alarm occurs the AK2 SC255 can route the alarm s to certain destinations
10. SC255 Info amp Miscellaneous Communications 3 p History ey Configuration Info Screen AK2 sC255 Into To review the version of AK2 SC255 software select the AK2 SC255 Info screen via the Main Menu 4 05 2006 10 05 49 AN AK2 SC255 Name MALAE eer Men AK2 SC255 software build time amp date AK2 SC255 Address D Software Version E02 020 Beta E Boot loader 72 6 of I 0 Boards 76 Modem Detected NO To ensure error free connection both time amp dates for the AK2 SC255 software and the AKA65 should match See appendix section for more details on AKA65 connections and file management AK2 SC255 Software 03 05 06 01 56PM AKA 65 Software Date 08 05 06 01 56PW When connected via the AKA65 software the build time amp date is displayed Setting up for Ethernet communication To connect to the AK2 SC255 via Ethernet and or to have the AK2 SC255 become a node on a IP network it must have IP address information From the main menu navigate to the Internet menu via the Communications menu En Communications eee Once in the Internet menu the status and configuration of the IP connection can be seen To view the status of the AK2 SC255 select Status and the IP address if any will be displayed The following descriptions relate to this screen Use DNS Domain Name Servers used when utilizing the AK2 SC255 to e mail alarms see Alarm Routing for more details Use DHCP Dynamic Host Control
11. been defined to allow for the printout Schedule 3 Not Used SBR ESS GE 9 Navigate back to the Alarm Configuration page and select Modem Select yes to the question Configure modem on this unit Against the modem line select the appropriate modem type Continue to configure the remaining modem setup baud rate line type parity data amp stop bits The Disconnect method relates to the use of the modem adaptor 080Z2100 which toggles the modem power upon alarm delivery If the modem adaptor is used set the disconnect method to power down 07 16 06 Configure modem on this unit Yes Modem o 200m Modem Adaptor 08022100 used to toggle power to the modem Tila zat one Sera ne AT amp FEQVIX48C1802 50 18K OWO gt NS DATA CONNECTOR Baud Rate 38400 Line Type Tone Data Bit amp Parity gt None Stop Be 1 Disconnect method Power Down 08022100 Modem Power Adapter MODEM POWER Ny OUT 2 TO MODEM CONNECTOR ON AK2 SC255 28 Doasfet 10 Send a test alarm and configure a daily test alarm In order to test the alarm setup and to configure a daily test alarm select Service from the Alarm Configuration page oY 16 06 04 08 55 FP Clear Alarm Logs Clear Network Log Clear All AK2 5C255 Logs Use the Send Test Alarm button to force a test alarm Delete Alarm Configuration If a daily test alarm is required then select from the drop down options for Send Test Alarm alarm
12. type Disabled Log Only Normal Critical Generate system test alarm Normal If required set the selected day or define the time interval send one alarm on selected days Wee send on days SMTWRFA at 09 00 AM suspend alarm generation 11 Configure the AK2 SC255 System Alarms amp controller Offline alarm Various alarms can be configured based on AK2 SC255 alarm points Select System from the Alarm Configuration page of 16 06 04 06 10 PR ari 16 06 04 06 10 PR Host Comm error Normal Host Comm error Normal Host count error Log only Host count error Log only I O Network fail Normal I O Network fail Normal Alarm send failed Log Only Alarm send failed Log Only Mo dial tone Log Only Mo dial tone Log Only Low battery Lag only Low battery Log Only Flash memory fail Normal Flash memory fail Normal I O Comm error I Comm error Select the relevant alarm types for the various System alarm points To check and modify the controller offline alarm state select the setup button for I O Comm error 29 Doasfe From the setup button navigate to the Other Controllers icon Next select the Generic icon to view all the generic devices on the network AK2 SC255 database Of 16 06 04 07 700 PR n 16 06 04 07 30 PR Configure system Alarms Configure System Alarms ci AKC Lex E Degree Master z ROS Boards ap Other Controllers E i YET Utility Meter es yh j g 5IB Boards jf AK2 CM Boards ae Pitzer
13. 1 s28 Ambient Ambient 49Device P3 04 6 5 s28 Ambient 10Device 11Device 12Device 18Device 19Device mi Fa va 6 Ti P iad 2 me Ti a a is ae Sort Address Sort Address Evap Overview Pack view accessed by pack icon Evap Overview with x2 controllers offline One of the main screens available to the daily user is the Evap Overview page This page simply lists all the evaporators on the network and provides the user with key first look information The list highlights the controllers network address description as set in the commissioning process the current temperature value Therm Air and the controllers status The status column describes in generic terms what status the controller is in and also comes with the relevant controller status code seen in brackets Refer to the controller manual for more information on this status code If a particular controller has been turned off or has communication issues this will be highlighted by a solid red line in this instance further investigations will be needed to rectify the fault By selecting one of the controllers in the list the Evap Summary page is shown This page provides specific details on the controller that has been selected and is referred to as the Evap summary The parameters shown in this list are factory set but can be customer defined via the User definition file see Appendix for further details on User Defined files The concept behind this sum
14. 31 8250 Fax 410 931 8256 www danfoss com North_ America Danfoss can accept no responsibility for possible errors in catalogs brochures or other printed material Danfoss reserves the right to alter its products without notice This also applies to products already on order provided that alterations can be made without subsequential changes being necessary in specifications already agreed All trademarks in this material are property of the respective companies Danfoss and the Danfoss logotype are trademarks of Danfoss A S All rights reserved AK2 SC255 E Supplement Manual Version A2 DKRCE EC R1 A1 22 520H1484 Danfoss 10 2006
15. Based on this Dew point reference and against a set point the output to the rail heat elements can be controlled This represents tighter control based on the calculated Dew point 3 Use a true Dew point sensor Utilizing a true Dew Point sensor allows the AK2 SC255 to control the output to he rail heat elements As seen in the Calculated method the AK2 Sc255 will control the rail heat against assigned set points 4 05 06 From the Configuration Refrigeration Pack List the Rail heat 10 Define how many relays will be used in the control of the rail heat elements max 30 Cycle time Used to determine what amount of time the relays are energized used in combination with the output percentage as set in Dewpoint the Dew point setpoint Bcast Bd Pt Type No 00 0 0 DPS100 Example With a Dew point target range of 4 0 to 8 0 c and the Cycle time set for 10 minutes the following behavior will be true At 4 0 c Dewpoint the relay output will be 0 At 8 0 c Dewpoint the relay output will be 100 At 2 0 c Dewpoint the relay output will be 50 of the cycle time 5 mins on 5 mins off At 7 0 c Dewpoint the relay output will be 90 of the cycle time 9 mins on 1 min off Example of Target Dewpoint amp relay output percentage ratio 8 0 7 0 ce O C ac lt 2 2 0 z ep O T A 2 4 0 0 100 50 90 0 mins 5 mins on 9 mins on 5 mins off 1 min off Relay output percentage bas
16. C255 Alarm Box Enabler Address Bd Pt Input O1 J 1 No Enter a fictitious board amp point for the OAB and set Enabler Input to No o Oo LT fe Luo M e Automatic QAB retrigger Na Select Yes to enable internal OAB this allows the AK2 SC255 red light amp buzzer to function upon receipt of any alarms Ensure that the correct OAB number is assigned to this function remove any unwanted address s Enable internal OAB Flash with external CABH 1 4 Navigate back to the main Alarm Routing page Select the Network button located at the bottom of the screen The Network Connection 1 page will now be displayed The example here will send the alarm text string to a remote call centre i e Danfoss Retail Care Ensure Remote is selected from the drop down list and then fill the Name and address details where the address is the remote IP or DNS address Select the appropriate delay and declare if alarm clearance signals need to be sent 5 Select Page Down Enter the Network Connection 2 details here the e mail configuration can be done Start by checking the date format sending alarms after they clear and by selecting a schedule Be sure to select a schedule for Remote and e mail else the alarms will not be sent The pre set schedule allows for alarms to be sent at any time 12 00 12 00 or 00 00 00 00 Remote Network E mail 07 19 06 ir Network Connection 1 br HTa ETE Name gRemoate Centre Type Remote E M
17. ELECTRONIC CONTROLS E version AK2 SC255 Supplement Manual Software Release VE2 020 E Version Supplement Manual Contents 13 17 19 22 24 32 33 Preface Getting Started Network Scan amp System Configuration on line configuration Initial Pack and Evaporator setup Setting up Master Control functions Rail Heat Control History Daily User Alarm Routing Appendix Off Line Programming Remote access Preface This supplement manual is designed to compliment the already existing AK2 SC255 System Reference Manual RS 8D M1 22 and highlights the E version of AK2 SC255 software In addition further information can be found via AK2 Input Output Modules RS 8C H5 22 AK2 SC 255 On site Guide RS 8C J2 22 Data Communication between ADAP KOOL Refrigeration Controls RC8AC302 AK2 Sc255 Fact sheet DKRCE ED R1 A1 22 520H1486 The E version of the Ak2 SC255 software allows for direct support of EKC and AK2 Danfoss controls and is commonly referred to as de centralized control Due to this discrete yet fundamental difference in E and Rack versions many new user screens and functions have been developed that are not described in the Rack manual To get the best benefit from this supplement manual please ensure you have a good knowledge of the various system menus and features as described in the AK2 SC255 system reference manual although the system manual refers to the Rack ver
18. Other Controllers icon Select the Other Controllers icon 06 06 2006 4h Configure History g AKC 16x Degree Master ii t i ta Utility Meter ClimaTECH EE Light Panel es Carrier E DCU The screen now highlights various controller types To view EKC and AK2 controllers select Generic E Generic 20 4h Configure History Generic Address Name CONOU PWN FE Bal CTI LT1 LEL GLL Lid ETL lea al SORT On Generic Address 10 Name EKC State Ther air Cutin temp Cutout temp Reg Cond Cutoutl temp Differential Main switch Sample Rate off 10 Mins OFT 10 Mins OFT off off oc 6o won 6S k V PG DN for more Doasfet Having selected Generic the available connected controllers will be displayed The list will indicate the controllers net ID address and the description Use the Page Up amp Page Down button up down arrow on PC to scroll through this list To make a change in any one of the controllers listed highlight the device and press enter The screen now shows the selected controller and all the available parameters that can be changed Scroll down the list of parameters and highlight the item that requires change Use the Edit key right mouse click on PC to bring up selectable sample rates choose sample rate and enter Note after this change the Data point number increases highlighting that one available database point has been taken up Exit out of t
19. Protocol allows a external server to assign an address to the AK2 SC255 Default Gateway The address of the external server that assign an IP address to the AK2 SC255 Network Mask An address assigned by the external server Master IP Address The Address of the Master AK2 SC255 unit determined by the rotary switch in the actual AK2 SC255 Authorization To configure the IP settings for the AK2 SC255 select Config from the Internet menu From this screen all the above IP settings can be set To configure this part of the AK2 SC255 you will need to provide appropriate authorization The factory Authorization Code is 12345 enter The factory Account Code is 50 enter Typical AK2 SC255 setup when communicating over Ethernet Use DNS No lt __ Cf AK2 SC255 is to be configured to send alarms via e mail the Use DHCP Yes DNS line needs to be set see your system administrator for settings Default Gateway 10 199 5 1 Hetwork Mask SO ee Master IF Address 10 199 5 20b Use the F2 button as a short cut to the Authorization dialog box Doasfet Network Scan amp System Configuration On Line configuration After the initial settings have been configured the AK2 SC255 can now be prepared for Network scan s A network scan function is used in the AK2 SC255 to establish what controller devices or nodes are attached to the available network ports In this release of AK2 SC255 software the product can communicate to the di
20. ail Configuration J Type Address 197 168 1 1 Time 12 Hour Time Date OD MM AY Fort 300l1 Date DO MM EY Fort bang SEnalish Delay 5 min Lang English Send alarms when cleared yes Send alarms when cleared Yes Schedule 1 Standard Schedule 1 Standard From 12 00 AM Days gt OMTWREA From 12 00 AM Days gt SMTWREA Ta a 12 00 AM Holidays 12345678 Te 2A 5000s Aadays 2 s45678 Schedule 2 Not Used Schedule 2 Not Used Schedule 3 Not Used Schedule 3 Not Used PG ON for more PG ON for more Bae Bbsage 26 Doasfet 6 Next select the e mail button to bring up e mail configuration screen Fill in the Server Send To and reply to sections Be sure to enter a reply to address to ensure correct e mail output M4 E Mail Conti guration server snmp dantoss net send To Server The address IP or DNS of the supporting host server Limyaddressadantoss com Send to The e mail address of the recipient of the alarm Max 5 address s 2 ouraddressadantass cam 3 4 5 Reply To Reply to Typically a mail server requirements add a relevant address Limyaddressadantoss com Ply ypicaily q Send abbreviated alarm a shortened message suitable for mobile phone send abbreviated alarm message NEE PDA use 7 Next navigate back to the main Alarm routing page Select the Phone Numbers button located at the bottom of the screen Fill in details for the Name phone number date format baud rate and
21. ators Later that relationship can be used to establish energy optimization to float the pack suction pressure In this example the pack controller will be configured first followed by the evaporator controllers Starting the controller configuration requires answering yes to the question Pack Controller required Next provide the following information g4 0E Pack controller required tes Named Pack 1 Pack Description Type EKC531B 012 Pack network address Controller type No of case controllers By Unload Remove Next select the setup button and a pop up dialog box will appear to ask if the controllers configuration is required to be uploaded If the Pack controller is powered up correctly addressed and is present on the network option 1 can be made Option 1 will upload the current controller data from the controller Whilst in this commissioning mode it is normal for the system to ask this question If during this phase the controller details are not needed simply press option 2 to negate an upload command Doasfest Now that the initial Pack controller configuration has been set the remaining commissioning process can be completed Start with the Pack Summary menu and then progress through the remaining function menus via the page tab Use the navigational arrows on the keypad to select and modify the appropriate setting see Appendix section for guidance on keypad operation Scroll thro
22. cess M ay st_Dt MV Show Database Quickload Files 22 s55 Name Version Description WIN 55 Versions VE02_020 EXE See the Appendix section with details on how to save load AK2 SC255 database files Delete 33 System Screen Navigation The AK2 SC255 system has been designed to allow access to all major parameter sets in the Danfoss range of controllers To accommodate the potential vast array of parameters the AK2 SC255 employs the use of a simple user friendly navigation system Once familiar with the major key actions and combinations fast and effective navigation of the AK2 SC255 screens will follow The image below describes the three main zones that make up key areas of the AK2 SC255 screens 3 05 2006 Sas Drop down controller selection Used to quickly select another controller from the network 1 Case 1 6 1 s28 Ambient Use the direction arrows to jump between Evap Summary Measures the main screen zones Ther air Ther runtime S1 temp Main controller details 55 temp lial Contains all the main parameter and AKV OD Function groups DII status 52 temp Display CPT Night Cond Short cut Icons Use these Icons to jump to other areas of the controller setup or system Main keys and their function Page Tab Icon This indicates that there are more pages of information to display The current progress is indicated by a yellow bar Function Keys Toggle bet
23. d view stored data It is recommended that if large amounts of data be stored at high frequencies the use of a permanently connected PC running AKA65 software should be deployed The connected PC can be scheduled to extract and save system history the AKA65 software also has greater graphing tools that enable deeper analysis of data and also the facility to export to spreadsheet formats First get authorized Then navigate via the main menu to History PC G4 0E Alarm Serle Tense Meneeyn nie Ho of Configured Datapoints fq Setup History Datapoints Aute Configure History orate Not sant tured Auto Configure History sample Rate WML Generig sensor Inputs AKC 16x Controls Leg Master Controls RIC Controls Tite TECH UE ry Merer YLT BILET On Off Inputs Relay Outputs variable Outputs Other Datapoints Total DFs on this Ak 2 SC255 1 FRE ag a ve a E E OE a TE eg Ee E fy History Select Configure History option Two options are available on this screen Setup History Datapoints manually define points Auto Configure History factory pre set points to enable quick start logging If the factory settings are not per requirements manual additions alterations can be made post the auto configure setup Clear History Datapoints may be visible if the system has pre defined points Select Auto Configure History Next define the sample rate via the drop down box As part of this setup all previous confi
24. d be affected if one in the row were to be in defrost at the same time when the others are in refrigeration modes Please also consult the controller manual for further set up information and configuration 14 Po Optimization Pack suction pressure optimization The continuous and automatic optimization of the power pack suction pressure is performed by the central AK2 SC255 At ALL TIMES the appliance temperature has the highest priority thus ensuring that food quality is NEVER compromised The pack suction Po pressure is optimized in accordance with the refrigeration demand taking into account short term changes day night setback and long term effects seasonal weather changes Theory of operation 1 The Ak2 SC255 receives operating information from each connected controller on the network 2 From the data received the AK2 SC255 will identify which evaporator controller is under the heaviest load the one that has to work the hardest to maintain temperature 3 The AK2 SC255 then sends control signals to the Pack controller to optimize the running suction pressure As the Pack controller allows the suction pressure to increase the AK2 SC255 monitors the complete network and ensures that the refrigerating system as a whole is stable This then is a continuous function that once set runs automatically and ensures the refrigeration system is running to the best conditions This feature is available on all supported AK2 SC255 E
25. e of all the same type you need not replicate the drop down setup controller choice and parameter settings The copy function allows the controller type settings and alarm configuration to be copied into the system database To paste these settings down to the controller use the Init initialise button controller address must be in place at device and AK2 SC255 for the Init function to work Use the Init function with care as this will overwrite what ever settings are currently in the controller Using the same principle as described for the Pack controller configuration the evaporator device s can now be set Anion FoS Page Tab Device address amp description User File User customized file that changes the factory default text Main switch description language and history points that the user sees Cutout temp in the AK2 SC255 Used for customer tailored requirements Differential Contact your Danfoss representative for details and assistance on NightSetback UDF file management Hid Gltset Therm mode o4 Mei Teed A powerful and efficient way to quickly navigate through the commissioning pages without having to go back to the Melt period Configuration Refrigeration page is to use the Prev and Next Cutouts temp Saa i keys on the AK2 SC255 keypad or Control left right arrow Ther band key ona PC when programming off line This navigation method allows for the same level pag
26. e to be displayed but on a different device thus greatly speeding up the navigation process Dassi Additional Pack and Controller combinations can be added via the Configuration Refrigeration page Select the Add Controls button to repeat the process as previously described If the application does not have a Pack Evaporator relationship i e self contained devices mobile units simply answer No to the question Pack controller required Continue to commission Evaporator devices as previously described Adding amp Removing Individual Controllers Post the commissioning process should it be required to Add or Delete individual controllers the following methods can be used ADD a new controller by navigating to the Configuration Refrigeration page from there either select the associated Pack and increment the number of case controllers or select the Add Controls button to add individual controller s If a controller is added to an existing Pack configuration it will be tagged at the bottom of that list REMOVING a Pack and associated controllers can be done by selecting the Remove button from within a Pack configuration page Both the Pack and associated controls will be deleted by this method By changing the number of case controls in a pack relationship can also delete them from the system For example if a pack configuration has 30 associated evaporator devices and the number of controllers Is changed to 25
27. ed on cycle time setting 17 Dasfe Select a method of Dewpoint control Two options are available Dewpoint Utilize direct output from dewpoint sensor Calculated Dewpoint Using a combined temperature humidity sensor type EMHS3 1 is recommended EMHS 3 1 Humidity Sensor combined Humidity amp Temperature 24V supply 0 5V Relative Humidity Temperature Sensor e Actual Dewpoint e Calculated Dewpoint requires Dewpoint sensor 4 05 06 requires combined Humidity amp Temperature sensor 4 05 06 Number of relaysS 4 Cycle Time Dewpoint method Bcast Bd Pt No O1 1 1 QRS No 01 1 2 Bcast Bd Pt Type O1 1 2 Denies Name Dewpoint emperature Using Board amp Point I O specify the location of the Temperature amp Humidity sensors Setpoint Humidity sensor Define the I O relays that will drive the rail heat output Define Dewpoint range Set the 0 amp 100 output limits 4 05 06 Rail Heat 4 05 06 EaRail Heat Bcast Bd Pt Type No 02 1 1 No Q2 1 2 N Open No Q2 1 3 N Open No 02 1 4 N Open Name Dewpoint Duty Cycle Rail Heat 1 a 0 9 100 0 Rail Heat 2 i 100 T wg Rail Heat 3 0 100 Rail Heat 4 0 100 18 Doasfet History Parameter food safety logging The AK2 SC255 is capable of storing recorded data from devices and I O on the network s Use the following steps to quickly set up an
28. edule Management l Give the defrost schedule an appropriate name Schedule usage Defrost Choose to enable the schedule now or enable later p ocd ee a Defrost Use Auto Stagger If answered yes an interval time should also be set na 6 18 scnequie cNo A Use auto stagger AW Interval 30min Auto Stagger is the function where the AK2 Sc255 Num of defrosts day 4 automatically calculates the next interval times and fills the next Def 01 00 00 Def 02 06 00 suggested defrost times in This feature is primarily used where Det 03 12 00 Def 04 18 00 multiple defrost schedules are required and simply saves the user time in configuration Use auto stagger Yes Interval 15min Num of defrosts day 4 Auto Stagger auto fills in the next Def 01 00 00 Def 02 06 00 schedule times incremented Def 03 12 00 Def 04 18 00 Use auto stagger Yes Interval 15min Num of defrosts day 4 Def 01 00 15 Def 02 06 15 Def 03 12 15 Def 04 18 15 Controllers Once the defrost schedule have been set select the Controllers button and assign the relevant controller s Night Setback The night setback function schedule is used to send a command signal to selected controllers on the network and thus enabling the raising of the operational setpoint for the duration of the night setback and or for Rail heat control Controller devices that get added to the night setback schedule will raise their control setpoint
29. fferent network protocol s below Danfoss EKC amp AK2 RS485 Lonworks Danfoss EKC SNMP TCP IP Danfoss EKC RS485 Modbus Future support of EKC Modbus Danfoss TP78 AK2 I O A current list of supported EKC and AK2 controllers can be found on document AK2 SC255 Factsheet DKRCE ED R1 A1 22 520H1486 Network Scan Use the Network Scan to capture all correctly connected Danfoss controllers and populate the AK2 SC255 database All devices must have correct power network cable communication cards and net address prior to the Network scan From the Communications Menu select I O Network En Communications He 1 0 Network 9 04 06 Select Rescan Channels menu da Status Select the appropriate Network type s PE List Points X LonWorks Native TP78 use bridge to convert to RS485 amp FTT10 BE List Nodes X SNMP Ethernet EKC controllers x Modbus RS485 Future support Ma Overview If using SNMP TCP IP controls ensure correct Subnet or IP range is set see network administrator for address details Rescan Channels 23 04 06 Alarm Once set see the scan progress at the bottom of the screen First time scans occur automatically however utilise the Rescan Network button to force a new network scan at any time Channel LONWORKS Channel SNMP Using the Rescan Network button will also generate a scan Channel MODBUS R3485 report indicating the quantity of nodes detected onmp Rescan Range Type R
30. gured history if any will be deleted To proceed further the AK2 SC255 will hold a question asking Do you want to Auto Configure Select yes to continue The total data points DP s that get used in the history will be displayed at the bottom of the screen The AK2 SC255 has a current capacity of 600 points Exit once out of this screen To finalize the auto configure process collection of history needs to be started The screen that is now displayed will show a large button called Start History Press this button to activate the auto history collection The status at the bottom of the screen will now show collecting 19 Dasfe History Manual configuration If the Auto history configuration is not sufficient for the application and additional different points are needed manual setup can be used From the Configuration page navigate to History Configure History Select the option Setup History Datapoints The Configure History page will now be shown The AK2 SC255 has many different variables it can log thus the lower section of this screen will show various icons In this example the term Other Controllers is used to describe EKC and AK2 controllers 06 06 2006 4h Configure History A Relay Outputs No of Configured Datapoints Name Bd Pt Sample DP fq Setup History Datapoints Rate i Auto Configure History i Clear Hister Datapoints start History ca es status suspended
31. he screen s Ensure that the status of the history is set to Collecting and not Suspended Always select Start History to ensure logging 21 Dassi Daily User To cater for the daily user actions and requirements the AK2 SC255 has a simple set of screens that provide access to the key areas of food safety and alarm information Typically the user authorization for daily users will have been predefined by the commissioning process and thus when a daily user logs into the system a limited range of screens are available For the daily user the AK2 SC255 system will be used to highlight any alarms in the refrigeration system check on key parameters and to allow repetitive tasks to be done easily The following screens are examples of what the daily user can expect to see when performing the day to day management of the refrigeration food safety checks 05 06 2006 Evap Overview Evap Overview Pack ga Evap ID Description Value ipti Value Status i Ambient 36Device P2 09 6 8 s28 Ambient Ambient 37Device P2 10 17 6 s28 Ambient Ambient 38Device P2 11 6 9 s28 Ambient Ambient 39Device P2 12 6 9 s28 Ambient Ambient AQDevice P2 13 17 4 s28 Ambient Ambient 4lDevice P2 14 17 2 s28 Ambient Ambient 42Device P2 15 17 2 s28 Ambient Ambient 43Device P2 16 6 9 s28 Ambient Ambient Ambient Ambient 46Device P3 01 6 9 s28 Ambient Ambient 47Device P3 02 6 9 s28 Ambient Ambient 48Device P3 03 7
32. ie IF Network Polls Network Scan Summer subnet Range is 7 Rescan Network Status subnet Ranges subnet Ranges Snmo EKCs Rescan Network Doasfest If SNMP TCP IP controls are on the network extra details can be seen by selecting the SNMP EKC s button The resulting list will contain all the detected EKC nodes Use the Show button to see additional EKC IP communication data Use the Show button to see additional EKC IP communication data amp to double check that communications are valid The Sort button is useful for organizing the device list CIO anag EE CJ my o CIC D E D 2 CJ oa CI S ar oo ga Status Ton G1 1 on on en on ot on on a en ei ed CI zn a PE list Fonts PG DA for more 178 FE List Nodes Network Scan Results Overview Po eae E Once the network scan s have been completed or at any time a Li E list of connected devices is required use the I O Network Over DO view function Rescan Channels Configured Installed O18 Board te AKG 16x A ROS Board O DCU Select Overview from the SI8 Board 1 Degree Master I O Overview Page I O Network Status menu YOZ Board ou Vari f l VLT NA Calculations ae one Utility Meter details can be seen from Bitzer oo FRIC this page ee Ale lt lt ClimaTECH A Generic Y Select Generic to view EKC AK2 Generic devices Nodes configured in database MO a N
33. if cleared alarms get sent Remember to set a schedule for this number Navigate back to the main Alarm routing page to check all routing options have been set Baud 38400 Network Phone Loca Number 012345 678910 DALAT Date DD MM Yy Time 12 Hour 2 12 3 OAB PRN Mana SEWISE Delay 5 min Send alarms when cleared Yes Schedule 1 Standard From 12 00 AM Days SMTWRE A To 2700s Holidays 12349678 Schedule 2 Not Used Schedule 3 Not Used Phone Numbers 1 Remote Centre TiCall Centre PG DN for more E 2 3 3 BEE G amp aSSE PG DN for more Alarm Routing summary For Generic controllers EKC amp AK2 use the Case class To send alarm out via network amp Phone ensure a X is assigned Also in this example the AK2 SC255 will flash and sound the siren the OAB column is marked with a 1 The printer column is also marked to send the alarm to the printer 27 8 Now that the Alarm Routing page has been configured the printer and modem need to be set Navigate to the Alarm Configuration page one step back form the alarm routing page Select Printer to configure output to serial dot matrix printer Epson LX300 or similar oY 19 06 Delay 5 min Date 00 MM s Time 12 Hour Lang English Send alarms when cleared es Schedule 1 Standard From 12 00 AM Days SMTWREA To 12 00 AM Holidays 12345678 As with network amp phone routing ensure that a schedule schedule 2 Not Used has
34. ing the parameter will be highlighted by the system cursor black line Press the Edit key once to bring focus onto the parameter use the numerical keys to enter new value amp press Enter Addr 91 Name Pack 1 suction Optimization No User file None ack Summary 20 SE FoOInt ob PoRefMax b PoRefMin b Night offset NightSetBack DI4 control Neutral zone fone b fone m fone m Zone b Zone m Zone m J000 0000 35 Dasfe How do I update the AK2 SC255 with new software files It is possible to update the AK2 SC255 with new and enhanced support files Typically the AK2 SC255 uses software files to provide a high level of controller access and visibility within the system In order to fully and accurately support EKC and AK2 controllers files that contain specific controller information need to be present in the AK2 SC255 The controller support files are known as EDF files Extended Definition Files and these are made available from the Danfoss factory Each controller type needs an EDF file and also important is the controller type software version To facilitate full support ensure that the EDF file also contains compatibility for the software version of the controller details can be found via the Danfoss factory Win 255 Unit 0 fale Edit view Load Files 03 03 13 PM Load Data Loading EDF controller files into the AK2 SC255 Save Database Fl Help Print Screen Print Poi
35. larm action but will be logged in the Ak2 SC255 alarm list Normal AK2 SC255 will act upon controller alarm Once Critical Will continue to default alarm out every 10 mins 10 99 mins configured in the Alarm Configuration Alarm Routing page 9 05 2006 03 34 24 PN Alarms Setup Contr fault eitical Use the drop down list to select the alarm severity S1 error S2 error S3 error S4 error 5 error Cricical Critical Critical Disabled Disabled HighTemp air Disabled Low temp air Disabled DII alarm Disabled Amb mode Disabled Max HoldTime Disabled Inject prob Disabled Max Def Time Disabled 10 Doasfe Once the Pack controller has been configured the associated evaporator controllers can be setup This then links the controllers to the pack ready for any optimization control that may be desired From the Refrigeration Configuration menu select the number of evaporators connected to the selected pack 19 04 06 A number of evaporator controllers will now be displayed At this page select the controller type via the drop down list Porod OE Pack GOntraliercrequired TES Mame Pack 1 Addr 41 Type EKC531B 012x Fack 1 Addr 41 Mo of case controllers 7 EEE Remove PG DN for mores 1 2 Copy Function If there are multiple controllers of the same type controller type and software version the Copy function can be used For example if the associated controllers with Pack 1 ar
36. mary list is that out of many available parameters only the key ones are visible thus simplifying the daily interface to the evaporator The screen is broken up into three main sections that allow for easy 95 06 2006 Alarm 06 19 28 PN interaction with the controller 3 7 EKC514B1 012x ID Description Value Status 37 Device P2 10 17 5 s28 Ambient The upper section has a drop down list that allows for fast controller selection There is also a constant feedback on the controllers temperature value and status Evap Summary Measures The Mid section holds the controller summary parameters a Ther air ye ee le scroll bar to the right indicates that further information is down Ther runtime the screen so the use of the page down key will expose these S1 temp 13 4 parameters S5 temp AKV OD The bottom section contains useful short cut icons Use these DI1 status Ci ten icons to jump to Di spl 6 i CPT Authorization Main Overview page Schedules Night Cond F1 Manual Overrides History Alarms Z Once at this screen level a quick way to scroll through the other controller devices is to use the Prev Next keys 22 37 Device P2 10 Whilst in the upper section of the Evap summary screen the use of the drop down box can be used to quickly access other controllers on the network This feature is especially useful if there is a large network present m Generic Manual Operation
37. n graph page to reveal which current evaporator is under the heaviest load indicated by a The bars represent the duration of time Hours amp minutes that each case has been operating outside of it s normal temperature range and declared the most loaded case If the is displayed next to the line Floating Up then all cases are satisfied See the amount of pressure float by observing the Adjust suction by line AFDE FADIS SUCTION Uptimigstion Pack 1 Flgat passed on Lase 11 Adjust suction by 0 0 Bar From the Suction Optimization menu a list of Packs can be seen with their status Fo ODN for more Optimization status graph 16 Doasfet Rail Heat Control via AK2 I O modules If required the AK2 SC255 can be used to manage the energy output to the case trim heaters Rail Heat There are different ways to approach the solution to rail heat control listed below are three main possibilities 1 Use a Night Setback Schedule Many Danfoss controls have a function whereby the output to the rail heat elements can be pulsed in a percentage of time ratio If set in the controller the night setback signal from the AK2 SC255 will allow the controller to vary the output depending on the time period See the specific controller for more details 2 Use a Calculated Dew point to control rail heat By means of utilizing temperature and relative humidity sensors the AK2 SC255 can calculate the relative Dew point
38. nts Establish AKA65 connection with the AK2 SC255 Exit ration 7 Authorization Under the File Menu select Load File f Alarms ci Store Info Choose file s to send to AK2 SC255 Unit 0 File name Folders edf udf Ist c akcess mayoth 1 Energy AK2 SC255 Info 084680039 udf E cS gt PROGRA 1 E gt Danfoss E gt Akcess Miscellaneous Communications DE gt MAY8TH 1 List files of type Drives fj History Configuration Defrtion fies E Locate required file s and select Ok end files from disk to the AK2 SC 255 The files will be downloaded into the AK2 SC255 Use the above method to also update any device lst files that may be required also available via the Danfoss factory The Device I st file is also needed to ensure full controller support How do I save my online or off line AK2 Sc255 database file Using the same method above navigate to the file Save Database menu Select your required file name and save This operation fully backs up all the AK2 SC255 database and thus all system setup and commissioning values Later this same function can be used to load a saved database into the AK2 SC255 Simply choose Load Database option to restore to the saved file 36 Notes ADAP KOOL Refrigeration Control Systems is a trademark of Danfoss A S www danfoss com Danfoss Inc Refrigeration amp Air Conditioning Division 7941 Corporate Drive Baltimore MD 21236 Tel 410 9
39. odes available in database l 162 See the status of nodes Nodes installed on network Ema controllers on the network Hodes avallable on network Cis Operation S Nodes Configured in database After a new network scan this will show 0 and indicates that as yet no controllers have been setup in the AK2 SC255 database yet The commissioning phase will populate the database and therefore this value will reflect how many controllers are in the database Nodes available in database Indicates how many controller adresses s are available Nodes Installed on network Indicates how many nodes have been recognized as a result of the scan Nodes available on network Indicate how many nodes controller address s are still available AK2 SC255 Controller capacity is shown in the AK2 SC255 Fact sheet DKRCE ED R1 A1 22 520H1486 Dasfe Initial Pack and Evaporator setup on line commissioning Assuming that no previous control devices have been configured in the system new controls can now be added The commissioning of controls can be established by selecting the Configuration menu via the Main Menu and then Refrigeration From the Configuration menu select Refrigeration a Brey om mine tareu manos Fri Refrigeration Add Controls Fail Heat Select the Add Controls option In general the configuration of pack and evaporator controllers are grouped together creating a system relationship between pack and evapor
40. om an EKC AK2 network In this example when an alarm occurs the AK2 SC255 will forward to an IP address e mail address send to a printer and get the on board red light to illuminate and the siren to sound 1 Navigate to the Alarm Config page Set the network phone and local columns Class as Case as seen in diagram above The diagram above is set so that when an alarm is raised from a controller it will get routed to an IP address modem number local light buzzer and the printer 2 Press Page Down Configure the next set of routing criteria 07 16 06 04 11 44 Send critical alarms every minutes Alarm Routing AK2 SC255 Address Fhoane Modem 0 Ethernet 0 RaJa IE 0 Printer 0 Alarm Logger D1sabled PG DN for more Select the time interval that a critical alarm get s re transmitted min 10 mins If using multiple connected AK2 SC255 units select the system that will be responsible for alarm routing The Master AK2 SC255 in a network will always be address 0 Alarm logger leave as disabled 25 Doasfest 3 Page Down View the final page in the alarm routing setup To energize the red LED and buzzer on the AK2 SC255 an OAB Office Alarm Box needs to be configured The AK2 SC255 can handle up to 8 OAB units but in this example only 1 OAB is used OAB address 1 was already set in the first alarm routing page so here we add a dummy board amp point address Alarm Box configuration 0AB AK2 5
41. rms ensure the DNS settings have been configured in the Configure Internet page and that the e mail address s have been filled in at the e mail configuration page Example of an alarm via e mail FW EMS Alarm Store ABC Comp Rack B Message Plain Text Sent Wed 7 19 2006 1 55 PM Subject FW EMS Alarm Store 4BC Comp Rack B From myaddress danfoss com mailto myaddress dantfoss com Sent Wednesday July 19 2006 1 43 PH To Andrew Subject EMS Alarm Store ABC Comp Rack B AK2 SC255 Address 0 Version E02 020 System Alarms Test Alarm AK2 SC255 Unit Addr O0 Alarm occurred 077 19 06 01 42PM Alarm if ON Acknowledged No Example of text string alarm 22 16 03 Danfoss Automatic Controls 12 37AM AAP 27 615 Rack B AKC 55 Address 2 Alarm Log Danfoss wersion 0 687 System Alarms T O Comm error Case Addr amp Alarm occurred 02 16 03 12 37AM Current Value Trip Alarm if error Acknowledged No 02 16 03 Danfoss Automatic Controls 12 37AM AGP 2F 613 Rack B AKC 55 Address 2 Alarm Log Danfoss wersion 0 687 System Alarms I O Comm error Case Addr 9 Alarm occurred 02 16 03 12 3 74M Current Value Trip Alarm if error Acknowledged No 02 16 03 Danfoss Automatic Controls 12 37AM AGP 27 6l3 Rack B AKC 55 Address 2 Alarm Log Danfoss wersion 0 68 System Alarms I O Comm error Case Addr 4 Alarm occurred 02 16 03 12 37AM Current Value Trip Alarm if error Acknowledged No
42. sion of the AK2 SC255 many of the screens and setup guides are relevant Due to the highly flexible nature of the AK2 SC255 product and the multiple configurations it can cover it is highly recommended that prior to any major commissioning you attend an authorized Danfoss training course to get the most out of your system Doasfet Getting Started The following instructions represent the typical steps needed to get the AK2 SC255 up and running although not exhaustive this represents the most widely used settings in most typical customer applications To assist in the commissioning process not only can the local key pad be used for all tasks so can the system support software tool AKA65 Utilizing the AKA65 software will allow on line and off line commissioning Connection to the AK2 SC255 can be made either via serial RS232 or Ethernet Connect either via Serial or Ethernet Cat 5 cable Adapter Cable AK2 to PC 080Z0262 aC AKA65 Cat5e Ethernet Cable Software ee oa e o e2 Note that if a straight PC to AK2 SC255 connection is made via Ethernet cable it must be a cross over type If connecting via an Ethernet hub or switch a regular Cat 5 cable can be used Typical new build Commissioning Configure front end amp network info Configure system preferences amp customer info The next few pages of the manual describe common commissioning tasks typically through
43. the Ak2 SC255 front end or via the AKA 65 support software Assign system passcodes These tasks have been broken down into simple steps that replicate a typical on site commissioning Although not exhaustive the steps highlight the main aspects of getting the AK2 SC255 front end up and running and able to communicate with a range of networked controllers Network Scan The flow chart opposite represents the typical functions and operations done throughout the commissioning process The following pages describe how to execute the various commissioning functions and will follow this work flow Controller Configuration Evap Config Pack Config Master Control amp Optimizations Save AK2 SC255 Database Config History logging Initial AK2 SC255 settings and Customer Information Once powered up the AK2 SC255 will need to have the time and date set along with other customer and preference related information At this early stage ensure that the system backup battery CR2032 is correctly placed thus ensuring that any settings database modifi cations are saved and that the rotary host address switch is set to 0 master B Store Info From the main menu select Store Info From there configure Store Name Time and Date Store Opening Hours Holidays Daylight Savings Leak Detector Monitor Only Contact Info Information Only Manager Override 4A 19 06 Alarm 7 Authorization La Store Info AK2
44. the last 5 controllers will be deleted You cannot specify an individual controller to be deleted from the system it functions on a last in first out basis If there is a need to remove a controller s from the Evaporator overview page the following method should be used Navigate to the Configuration Refrigeration Pack page Where it states how many case controllers there are select the Setup button Locate the controller s that need to be removed from the system and change their type to None This will have the effect of removing them from the Evaporator Overview page Configuration Refrigeration Pack page FOr 04 0E Select controller type to None Nene Pack 4 Addr 04 to remove from the Evaporator overview list Pe Hone FG DN for more 172 12 Doasfet Master Control Energy Optimization configuration One of the major benefits of installing the AK2 SC255 and Danfoss controls is that intelligent functions known as Master Control can be configured The proven concept of master control function is to provide system wide schedules and targeted energy optimization con trol The following section details the simple processes involved in creating modifying and implementing these master control features sohedules Schedule configuration and management can be accessed via the Configuration Schedules page Once in the Schedule Management screen the system asks for the number of schedules required
45. to the allotted values set in the controller during the schedule times The night setback schedule can be used to save operational energy especially when the use of night blinds are used in the display cabinets Using the same principles as previously described select Night setback as the required schedule The configuration of the Start and Stop times should be made thus stipulating when the night setback should be in operation Outside of these times the selected controllers will operate with their normal setpoints a a 8 06 2006 L023 08 Fe Schedule Managemen Using the dropdown list select night setback schedule type Schedule usage E C Description Enable this schedule Select Night Setback Schedule type Enter the time period that the setback will take effect Select the required days and or holidays Select which controllers need to be affected by the schedule Num of schedules start Stop Days Holidays 1 06 00 AM 12 00 PM SMTWRFA 12345678 Controllers Coordinated Defrost From the drop down list select Coord Defrost As seen in the regular defrost schedule provide start and frequency times The principle of operation for coordinated defrost is to ensure a group of evaporators synchronize the defrost cycles thus not having any undue effect on it s others operation This function would typically be used when there is a series of refrigeration sections without any partitions and the running of the units woul
46. ts the process needed to configure and implement a typical store case lighting schedule In this example Store A has case lights on for 24hrs from Monday through to Saturday night with Sunday having specific on times Select Case Lighting from the drop down list and continue to configure the schedule Check with the controller manual that the case lighting function is available To complete the setup select the controllers required for the schedule The resulting configuration in the AK2 SC255 Example Store A oe he Schedu le Management Schedule uSage Description Store Case Lights Check a11 Enable this schedule Yes Check devices using this schedule Num of schedules Select ID Name Case 1 Case 2 3 4 NB Case Case Case 5 Device P1 06 Device P1 07 Device P1 08 Device P1 09 Device P1 10 Device P1 11 Device P1 12 Controllers PG DN for more 1 3 Start Stop DEVE Ho lidays 1 08 00 00 00 M 12345678 2 00 00 00 00 TWRF 12345678 3 00 00 22 00 A 12345678 4 10 00 16 00 12345678 Ensure controllers are oooooneouw Sw linked to schedule 13 Doasfest Case Defrost setup The AK2 SC255 has the facility to centrally manage a refrigeration network defrost schedules To configure a defrost schedule choose Defrost from the drop down list having previously added a new schedule in the initial Schedule management page Defrost Schedule 904 06 Alarm i fe ey Rare Aeeesch
47. ugh the remaining function menus to ensure all parameters are set correctly As the settings are changed this also has the effect of automatically writing down to the controller thus the full commissioning can be completed by this method Page tab Use to scroll through the various function menus in Addr 91 Name Pack 1 the controller sletion Optimization Mo User file None ack Summary Settings 26 Ge Fei ie PaRefMax b ZL Note on the Init and Upload functions FoRefMin b Hant oT hse DI4 control The Init Initialization button is used to initialize or download settings FROM the AK2 SC255 database TO the control device s This function is used when an off line database has been created and these settings need to be pushed down to the controller NightsetBack Neutral zone fone b fone m fone m fone b fone m one m Use the Init button with care as this will cause any settings in the controller to be overwritten by Ak2 SC255 Off line programming is described later in the manual The Upload button is used when the current controller settings need to be uploaded FROM the controller TO the AK2 SC255 database ome LOL eer eal ail AK2 SC255 Alarms The Alarms button will open up the alarm configuration page Here the AK2 SC255 can be configured to act on any of the controller alarm parameters Disabled No action will be taken even if the controller is in alarm Log Only No a
48. vap amp Pack controllers C1 Get Case Control Data 2 Identify Critical Case G Optimize Pack Po Pack Control Configuration of suction optimization To configure the AK2 SC255 system for pack optimization the system needs to recognise the Pack Evaporator relationship This relationship was formed when a pack and associated evaporator controllers where configured Navigate to the Configuration Refrigeration Pack menu Select the Setup button to enter into the Pack configuration page Answer Yes to the question Suction Optimization Set an appropriate Maximum pressure change that the optimization algorithm can make to the pack controller Having done this the associated evaporator controllers will now show that suction optimization is in effect elf any evaporator controller s need to be released from the optimization function navigate to the selected evaporator controller and select No under the Suction Optimization question ri 04 06 Alarm TA 07 02 95 os Evap Configuration 03 39 5 TL gt Name Pack 1 User file None gt Set Point b PoRefMax b PoRefMin b Night offset NightSetBack DI4 control Neutral zone Zone b fone m fone m Zone b gone m gone m Operation Successful Pack Configuration Switch optimization to yes Select a Max pressure after exiting amp re entering this screen Evaporator Configuration Switch optimization to yes
49. ween Measurements Settings Daily User Manual override oe Escape Use to exit current screen s Menu Use directly jump to main menu 9900 ___Page up Page Down p Use scroll through main Prev Next T controller details page Use to jump to the previous or a e next controller on the network UP Down Left Right keys whilst still maintaining the current view screen Use the main arrow keys to navigate through the various screens in the AK2 SC255 Used to change settings Used in combination with the arrow keys parameters to activate the Page Tab 34 Doasfe How do I get the page bar to move so can scroll to the next function menu You will only see the page tab icon when you have sufficient system password privileges To navigate through the controller functions use the following key combination s Press then release the shift button then press the right or left arrow key Continue this key combination to navigate through the controller parameter function menus Name Pack 1 User file None set Point b PoRefMax b PoRefMin b Night offset NightSetBack DI4 control Neutral zone Zone b Zone m Zone m Zone b Zone m Zone m How do I change setpoints and controller parameters You will only be able to change setpoints when you have sufficient system password privileges Navigate through the controller functions and locate the required parameter that needs chang

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