Heatcraft Refrigeration Products 25000601 User's Manual
Contents
1. 1 2 1 CAN SUPPLIED INDCPENDENTLY BY UGING A 120 24 WAC POWER DUPPLY 300m epe T THE EVAPORATOR TERMINALS 24V amp CL 3 CONTACT THAT CLOSES UPON LOSS OF POWER OR WEM ALA ACTIVATED 130 CONTACT WEATCRAFT PART wot REA 21 Wiring Diagrams 4 VOLT NE N WIRING 2 SYSTEMS CORRECTION Cees SMART CONTROLLER 1 SEPARATE SYSTEMS 21 SYSTEMY t a P E 6 BURLY ey 2 COMMBCTWZ TO 11 BEACON BOARD AT ThE TOR 9 n b ayas TO D CONTACT THAT C UPON LOSE HEN AM ALAR LIS 24 VOLT CONNECTION WIRING W 2 SYSTEMS CONMECTION DIAGRAM FOR SMART CONTROLLER TWO SEPARATE SYSTEMS 1 CWAPORATOR ON EACH SYSTEM CAVA COLA tr Tann 1212161 DAT 22 Wiring Diagrams CONNECTION DIAGRAM FOR SMART CONTROLLER I POUR SEPARATE SYSTEMS 2 EVAPORATOR ON EACH SYSTEM 24 VOLT CONNECTION WIRING W 4 SYSTEMS oco gt SEENOTES AZ i HEATCHAFT 209004201 REV A 23 Wiring Diagrams 24 VOLT CONNECTION WIRING W 4 SYSTEMS CONNECTION DIAGRAM FOR SMART CONTROLLER FOUR SEPARATE SYSTEMS 1 EVAPORATOR ON EA2. UA Beacon Worldwide Refrigeration H IM 80D February 2004 Part No 25000601 Replaces H IM 80C 12 03 Beacon Smart Controller Installation amp Operation Manual Table of Contents Features Installation Power Supply Initialization of Beacon Smart Controller Button Functions Programming Beacon II Smart Controller Monitoring Beacon Smart Controller Locking Beacon Smart Controller Error Codes Wiring Errors Alarm Codes Alarm Buzzer Data Logging Smart Defrost PC amp Modem Access System Defaults Parts List Operational Limits Diagnostics Wiring Diagrams Beacon II Smart Controller Features COOLING DEFROST Smart Controller The Beacon Smart Controller performs all the standard Beacon functions with the additional benefit of a Remote mounting for easy access b Remote monitoring and programming c Controlling four completely separate systems d Logging data e Smart Defrost f Access via PC or modem g Has buzzer to signal alarms h Locking keypad Beacon Smart Controller allows complete monitoring and programming of the system _The Controller display has the following buttons COOLING DEFROST PROG REVIEW MONITOR ENTER CLEAR SETPOINT AND TIME The normal LCD display will show the Programmed Box Set point temperature Actual Box Temperature the Current Time of day and the Mode i e COOL DEFROST or OFF When mult
3. Check demand cooling device Check compressor relay on board IF NOT OK Correct field wiring to the board Change setpoint to match refrigerant Add more refrigerant to proper charge Correct LPS setting Correct LSP wiring Clean or replace EEV Defrost coil see 6 step 2 Check replace sensor or transducer Replace distributor nozzle Replace EEV Correct line sizing Reset 1 minute Replace Low Pressure Safety Switch Reclaim recover excess charge Remove all non condensables Repair or replace motor and or blade Clean condenser coil Adjust or replace faulty controls Adjust or replace faulty controls Correct line sizing Repair line or remove restrictions Replace HPS if necessary Add oil to crankcase to minimum level Clean or replace pickup screen Replace compressor oil pump Correct piping to minimize oil logging Correct per steps in 6 Replace auxiliary relay Replace faulty OPS sensor Replace faulty OPS Replace faulty module Reduce superheat TXV adjust etc Correct overheating problem Consider crankcase pressure regulator or other measures Correct power phase problem Correct power supply problems Replace faulty PLM Replace auxiliary relay Replace faulty demand cooling device Replace board if relay is faulty Diagnostics Beacon Il Troubleshooting Guide continued PROBLE
4. Parts List HRP PART NUMBER 28910101 89904902 22529601 22529602 22529603 22529701 22511401 2252440 2251266 22536801 29320003 29320004 29320007 29320008 29320013 29320014 22515201 28911201 22515101 89704301 89704101 89708001 Only sensors with White Leads are shipped as a Service Replacement Part Smart Controller Software Package is sold separately OPERATIONAL LIMITS Voltage Range 18 VAC to 30 VAC Surrounding Ambient Temp Range 40 F to 100 F Relative Humidity 60 Maximum Controlling Box Temp Range 30 to 70 F Box Temperature Differential 2 F Do not mount the Smart Controller where it will experience heavy vibration such as near a Walk in Box door Beacon Troubleshooting Guide PROBLEM LED is not lit LED shows Coo but compressor will not run ERROR CODES Room Sensor E2 Defrost Sensor Suction Sensor 4 Suction Transducer 5 Outdoor Sensor E6 Low Superheat During Cooling 0 F for 2 minutes Step ACTION ITEM IF OK 1 Check Primary Power Supply Disconnect 2 Check Voltage to Evaporator Transformer Go to 3 Check Transformer Secondary Output Volts next step 4 Check Voltage at Control Board 24V and C 5 Replace Control Board 1 Check Compressor internal overloads 2 Check Control Power to Condensing Unit 24 Volts across COMP and at board Go to 3 Check Compressor Contactor Coil Voltage next step 4 Check Compressor Contac
5. Smart Controllers to a single communication device PC or modem Maximum configuration 4 Beacon II Smart Controllers connected to one Communications Hub 4 systems per Beacon Smart Controller equals 16 systems with maximum of 64 evaporators e 16 Beacon II Smart Controllers connected to five Communications Hubs 4 systems per Beacon Smart Controller equals 64 systems with maximum of 256 evaporators Communications Hubs can only be cascaded once 14 System Defaults SYSTEM DEFAULTS Following are factory defaults for the parameters which can be programmed in the Beacon Smart Controller If the user does not select a setting for any of the following parameters the default will be used It is important the user set ALL parameters based of their needs PARAMETERS CODE AIR ELECTRIC Refrigerant REPT YP R22 R404A Box Temperature BOXTMP 35 F 10 F Superheat SUPRHT 8 F 8 F Smart Defrost SMTDEF Off Defrost start times DEF ST 9 AM 9 PM 4AM 10 4 PM 10 PM Defrost Fail safe time DEFSAF 40min 30 min 60 min when Smart Defrost is On Defrost End Temperature DEFTMP 45 F 60 F 55 F when Smart Defrost is On Alarm High Temperature ALR HI 50 F SF Alarm Low Temperature ALRLO 30 F 15 F Alarm Time ALRMIN 60 min 60 min Temperature Units ESC m Ar Clock setting 12 24H 12H 12H Test mode TEST Off Off Service mode SERVIC Off Off When Smart Defrost is turned 8 defrost periods per
6. even if power fails PROGRAMMING BEACON II SMART CONTROLLER To make a change press the PROG REVIEW button until the setpoint item that needs to be changed is displayed The SETPOINT Slide bar is then used to change to the desired new setting When the new desired setting is displayed press the ENTER button The new setting is now programmed into the Beacon Smart Controller memory Press the PROG REVIEW button and follow the steps below to back up one step during programming while pressing the MONITOR button press the PROG REVIEW button DEFTYP ELE or AIR Select for Electric Defrost Air Defrost then press ENTER This selection will automatically set the defaults for Air and Electric Defrost Important This will set the refrigerant type to R22 for Air and R404A for Electric You must change to the refrigerant you are using in your application if these are incorrect e REFTYP 22 404 507 Use SETPOINT slide bar to display desired value then press ENTER BOXTMP Box Temp 30 to 70 Use SETPOINT slide bar to get desired temp then press ENTER Monitoring With Beacon Smart Controller SUPRHT Superheat 4 to 20 Use SETPOINT slide bar to select desired superheat temp then press ENTER If multiple evaporators are connected use the button to set other evaporators on this system SMT DFT Smart Defrost On Off Use SETPOINT slide
7. day will automatically be programmed These will be at 12 00 am 3 00 am 6 00 am 9 00 am 12 00 pm 3 00 pm 6 00 pm and 9 00 pm Also the defrost fail safe time will be set to 60 minutes and the defrost termination temperature will be set to 55 F The user can change these as needed for the application for version 1 2 Beacon Room Temp Defrost n Temp Sensor N 7 Suction T Temp gt Electric Sensor de Expansion Evaporator o Valve 1 gt Suction Pressure Distributor Transducer Head Sight Suction a Pressure Glass Filter Control Outdoor Filter T Temp Sensor Drier Compressor Receiver Condensing Ut 15 PART DESCRIPTION Beacon ll Control Board Temperature Sensor kit White Leads Transformer 120 24 volt 40 VA Transformer 240 24 volt 40 VA Transformer 460 24 volt 40 VA Transformer 575 24 40 VA Pilot Relay Contactor for Compressor 40 amp with 24 volt Coil Terminal Block Condensing Unit Low Pressure Switch Time Delay Relay Electric Expansion Valve 1 3 8 x 3 8 Conn ESB4 3 8 x 3 8 Conn ESB 10 3 8 x 3 8 Conn ESB 10 1 2 x 1 2 Conn ESB 15 7 8 x 1 3 8 Conn ESB 20 7 8 x 1 3 8 Conn Expansion Valve Molded Connector Bipolar valve Pressure Transducer Pressure Transducer Harness Beacon Smart Controller Smart Controller Software Package Beacon Communications Hub
8. in memory with newly recorded data Data recorded System Mode Box Temperature AUX Temperature Superheat Suction Pressure and the Number of Compressor cycles since midnight Errors and Alarms recorded Date Time System Unit Error type Alarm type Error duration and Alarm duration Length of data recorded System 30 days Two Independent Systems 15 days Three Independent Systems 10 days Four Independent Systems 7 days Recording intervals Every 15 minutes All recorded data will have a date time stamp On multiple evaporator systems the data recorded is from the master evaporator only This data is available via connection to a PC through the Beacon Smart Controller s RS232 serial port The data can be viewed on a PC using our Windows based SMART II software and can be imported into an Excel spreadsheet Smart Defrost Real time data can also be recorded and stored on a Desktop PC while the PC is connected to the Beacon II Smart Controller The PC will continuously request information from the Beacon Smart Controller regarding system operation and setup and record this data every minute in an Excel spreadsheet This information is stored to the PC hard drive which depending on the size of the hard drive would allows for many days of recording This data may also be periodically saved on a disk by the user The SMART II software is sold separately from the Beacon Smart Controller SMART DEFROST Th
9. will be at 12 00 am 3 00 am 6 00 am 9 00 am 12 00 pm 3 00 pm 6 00 pm and 9 00 pm Also the defrost fail safe time will be set to 60 minutes and the defrost termination temperature will be set to 55 F The user can change these as needed for the application for version 1 2 Deactivating Smart Defrost To turn Smart Defrost off move the SE7PO N7 slid bar to OFF then press ENTER Press CLEAR to return to the main screen And Modem Access PC amp MODEM ACCESS For access to the system from a PC directly or a modem the SMART Software must be purchased and installed on your PC With PC access ALL system settings can be monitored changed or logged from a remote location The stored data can be viewed in an Excel spreadsheet Recommended Requirements PC with a 233 Mhz clock speed or higher 128 MB or higher RAM ACD drive Hard Drive with 100 MB of Free space Requires 20 MB for installation Data logging to a Hard Drive will require additional storage space A VGA monitor Windows 95 or later When purchased Heatcraft will supply the software on a CD a 6 ft null modem cable a 12 ribbon cable and a detailed instruction booklet The null modem cable can be used to connect directly to a PC s serial port Amodem cable must be supplied with the modem for connection to the Beacon Smart Controller REFRIGERATION SYSTEM Communications Hub For the connection of multiple Beacon
10. CH SYSTEM SYSTEM 2 Pty COTA un 18 1212161 PI er 1 DE SUPPLIED INDEPENDENTLY Y Wv USNO A 12024 VAC POWER SUPPLY ODA 3 CAN BE CONNECTED TO 1 BEACON BOARD AT TH EVAPORATOR TERMINALS 24V C 3 ALARM HE i i mem com HEATCRAFT PART NO 29082101 24 25 26 27 WM Beacon Since product improvement is a continuing effort we reserve the right to make changes in specitications without notice Heatcraft Refrigeration Products LLC 2175 West Park Place Blvd Stone Mountain GA 30087 770 465 5600 Fax 770 465 5990 www heatcraftrod com HEATCRAFT
11. M Multi out to Multi in Communication Wiring only shows after initial successful connection E9 continued Communication Error Occurrence Step ACTION ITEM 15 Check for 24 volts power to the board 2 Check for crossed communication wiring multi out not wired to multi in terminals 3 Check for broken communication wiring Slave 1 Master in out IFOK IF NOT OK 1 If no voltage see LED is not lit above for low voltage see 88888 LED display Go to 2 Correct wiring from Master unit Multi out next step to Multi in of Slave unit etc to all Slaves and return to Master See wiring diagrams 3 Correct wiring between first Slave with error to previous board in the sequence Slave 2 in out OY 2 Break in the designated O 2 3 lines will cause errors 4 as follows Line Master Slave Slave 2 Slave 3 E9 E9 E9 E9 2 9 error 9 9 E9 no error no error E9 0 9 no error no error no error Beacon Il Smart Master Slave 1 Slave 2 Slave 3 in in out in out in out in O O 2 a With Beacon Smart 5 Controller Line SMART Master Slave Slave 2 Slave 3 O COMM E9 no error no error no error 2 error 9 9 9 COMM no error no error E9 E9 O COMM no error no error no error E9 COMM no error no error no error no er
12. TEM IF OK Check wiring connection to the board Low Pressure Safety LPS Tripped Check for correct refrigerant type Check refrigerant charge Check LPS setting Check LPS wiring Check EEV operation stuck Check coil for icing Check for correct superheat reading Check for correct nozzle selection Check for clogged EEV inlet screen Check line sizing Check LPS time delay relay setting Check operation of LPS High Pressure Safety HPS Tripped Check for system overcharge Check for non condensables Check condenser fan motor and blade Check for dirty condenser coil Check head pressure controls Check fan cycling controls Check liquid line sizing Check for liquid line restrictions Check operation of HPS Oil Pressure Safety OPS Tripped Check oil level in compressor Check oil sump screen pickup Check oil pump pressure Check for proper piping practices Go to Check for low superheat see 6 next step Check operation of auxiliary relay R6 Check OPS sensor Check operation of OPS Compressor Module Tripped when supplied Check module Check superheat at compressor inlet Check compressor for overheating Check suction pressure too low Phase Loss Monitor PLM Tripped Check presence of all phase legs Check power supply Check operation of PLM Demand Cooling when supplied Check auxiliary relay
13. bar to turn it ON or OFF then press ENTER for version 1 2 When Smart Defrost is turned on 8 defrost periods per day will automatically be programmed These will be at 12 00 am 3 00 am 6 00 am 9 00 am 12 00 pm 3 00 pm 6 00 pm and 9 00 pm Also the defrost fail safe time will be to 60 minutes and the defrost termination temperature will be set to 55 F The user can change these as needed for the application DEF 57 Defrost Start time Up to 12 settings per day For dF 1 use the TIME slide bar to select first defrost time then press ENTER Use button to scroll to next defrost period dF 2 use TIME slide bar to select second defrost time and press ENTER Repeat steps for each required defrost period If defrost times are not programmed the system will use the defaults Electric Defrost four per day at 4 00 AM 10 00 PM 4 00 PM 10 00 AM Air Defrost two per day at 9 00 AM 9 00 PM DEFSAF Defrost Fail Safe Time 10 to 200 minutes When this time has elapsed the defrost cycle will end even if the programmed Defrost Termination temperature was not achieved Use SETPOINT slide bar to select desired time then press ENTER DEFTMP Defrost Termination Temperature 40 to 100 Use SETPOINT slide bar to select desired temp then press ENTER If multiple evaporators are connected use the button to set other evaporators on this system A
14. dition is corrected the error code will no longer be displayed and only the normal information will be displayed errors for all units connected to the Beacon Smart Controller will be displayed with an appropriate indicator for the unit experiencing the error The individual boards will also display the errors WIRING ERROR If the Beacon Smart Controller LCD displays COMM this indicates that there is an error in the communication wiring or that the wiring is broken or disconnected Occurrence of this error on the connected unit will indicate which wires are faulty The communication wiring is the MULTI IN and MULTI OUT connections Check to make sure the OUT is connected to IN Never connect OUT to OUT or IN to IN ALARM CODES e BOXH Box temperature too high e Box temperature too low e STRUP System Start up failure Compressor pumps down and tries to restart after 4 minutes e Input fault Box Suction Pressure Transducer open or not installed Power failure When an ALARM condition occurs the Beacon II Smart Controller will display CALL FOR SERVICE the ALARM code the SYSTEM Number and will sound an internal buzzer along with the closure of alarm contacts on controller The alarm code will flash alternately with the normal display information When the alarm condition is corrected the alarm code will no longer be displayed and only the normal information w
15. e Beacon Smart Controller continuously monitors the system performance to determine the need for defrost It uses a variety of data such as the outdoor ambient and box temperature in it s decision making process Activating Smart Defrost After your system has been running for a week or two with normal defrost operation and the system has operated normally with no problems you may consider activating Smart Defrost You must program multiple defrost times into the Beacon Smart Controller to provide flexibility for the system to defrost the coil properly Smart Defrost will only allow the system to defrost at a programmed defrost time The system will not defrost in between programmed defrost times Hence we recommend that a minimum of 8 defrost periods be programmed when Smart Defrost is turned on The system will not defrost eight times per day but with this many defrost periods it will have better options to keep the coil clear and to allow the system to operate at optimum condition After programming the minimum 8 defrost periods all that s needed to activate Smart Defrost is to press the PROG AEVIEW button until SM7 DFT is displayed Also it is recommended that the defrost fail safe time be increased to 60 minutes Move the SE7PO N7 slide bar to ON then press Press CLEAZ to return to the main screen When Smart Defrost is turned on 8 defrost periods per day will automatically be programmed These
16. ill be displayed The system will pumpdown and cycle off and will not restart until the fault is cleared for the following conditions Suction sensor shorted open or not installed Room temperature sensor shorted open or not installed Pressure Transducer open or not installed Alarm Buzzer 8 Data Logging The system will pumpdown cycle off and try to restart for three consecutive times Each try will be after the 4 minutes Hold Off period for the following fault conditions Oil pressure High pressure or low pressure cutout or any other compressor safeties After the fourth try the Alarm contacts will be closed and an alarm message displayed on the LCD screen To clear this condition the system should be cycled through the Service mode after correction is complete On Multiple systems the Alarm contacts on each of the Master Evaporator will also announce Alarms for that system ALARM BUZZER The ALARM buzzer will sound when an Alarm condition occurs This buzzer will turn off when the Alarm condition is cleared The buzzer can also be silenced at any time by pressing the CLEAR button DATA LOGGING Beacon II Smart Controller logs system data in its memory every 15 minutes The length of time it records data is dependent on how many systems are being controlled by the Beacon I Smart Controller It keeps writing data to its memory until the memory is full When the memory is full it will overwrite its oldest stored data
17. iple systems are being controlled the system number i e SYS 1 SYS 2 SYS 3 SYS 4 will also be displayed on the LCD 2004 Heatcraft Refrigeration Products LLC 2 Beacon Il Smart Controller Features Monitoring of the complete refrigeration system Programming of a variety of parameters for the optimum control of the refrigeration system The Beacon II Smart Controller has a Liquid Crystal Display LCD which shows current time actual box temperature box temperature set point and if there is an alarm or fault condition Data Logging Smart Defrost to save energy on defrost Sounds a buzzer to indicate an Alarm condition Can be mounted up to 1000 ft away from the system being controlled Each Beacon Smart Controller can control four independent systems with up to 4 evaporators on each system An RS232 port is provided which allows connection to system via PC or Modem A Backup battery will maintain the clock settings for 10 years Double E PROM Chip will maintain program settings indefinitely Password protection system Locking feature to prevent unauthorized access to program settings Box Set point Temperature System Number Time of Day Set point Slide Bar Operating Mode Box Temperature System Selection Bar Installation INSTALLATION The Beacon II Smart Controller should be installed in a location where the large Liquid Crystal Di
18. larm High Temperature 40 to 90 Use SETPOINT slide bar to select desired temp then press ENTER ALR LO Alarm Low Temperature 40 to 90 Use SETPOINT slide bar to select desired temp then press ENTER ALRMIN Alarm Time in minutes Condition must exceed before alarm is indicated 2 to 120 min Use SETPOINT slide bar to select desired time then press ENTER F C F or Use SETPOINT slide bar to select then press ENTER 72 24H Clock 12H is for standard time 24H is for international time Use SETPOINT slide bar to select then press ENTER TEST OFF or ON Puts all evaporators in TEST mode Use with Caution This will cycle each output at 10 second intervals Use SETPOINT slide bar to select then press ENTER Return to OFF and then press ENTER to end the test SERVIC ON or OFF When placed in the ON mode this will pump the system down and shut it off The system will not restart until SERV C is placed back in the OFF mode When multiple evaporators are connected as master slave depressing the or button will display information specific to each evaporator Units in a master slave connection are numbered 1 through 4 The first evaporator connected to the BEACON SMART CONTROLLER MULTI OUT Terminals is Evaporator 1 MONITORING with BEACON II SMART CONTROLLER The Monitoring function can be used to monitor live sy
19. off period and resume normal operation The Beacon Smart Controller LCD display will then be normal INITIALIZATION of BEACON II SMART CONTROLLER When power is first applied to the Beacon Smart Controller it checks the configuration of the system to which it is connected and stores this in its memory Beacon Smart Controller checks how many condensing units there are and how many evaporators are connected to each condensing unit The order in which the units are wired from the multi out of the Beacon Smart Controller determines the unit ID UNI 4 assigned by the Beacon II Smart Controller This is called initialization Whenever a system is added removed or modified changing the number of evaporators on a condensing unit while connected to the Beacon Il Smart Controller it must be re initialized Place all systems in the service mode before initializing the Beacon Smart Controller Make sure all wiring changes to the system and the Beacon II Smart Controller are complete and accurate before initializing the Beacon Il Smart Controller Each SLAVE Evaporator must also be programmed as a SLAVE BEFORE the system is initialized The SLA setpoint must be set from the board programming It cannot be done from the Beacon Smart Controller To initialize the Beacon Il Smart Controller for version 1 2 Press and Hold both the ENTER and CLEAR buttons until the LCD displays EEROM Release the ENTER and CLEAR buttons q
20. on specific to each evaporator Units in a master slave connection are numbered 1 through 4 The first evaporator connected to the BEACON II SMART CONTROLLER MULTI OUT Terminals is Evaporator 1 LOCKING BEACON II SMART CONTROLLER BEACON II SMART CONTROLLER is lockable to prevent programmed settings changes by unauthorized personnel When the Controller is Locked all the Buttons except for the Monitor and Prog Review Buttons are disabled To LOCK the settings do the following Press PROG REVIEW button Press and hold MONITOR button While holding MONITOR button Press ENTER button The LCD will display LOCK This will prevent unauthorized persons from changing any settings for system displayed To UNLOCK the Controller repeat these steps LCD will display UNLOCK Note Each system must be locked or unlocked separately ERROR CODES e BXSEN Room temperature sensor shorted open or not installed e DFSEN Defrost temperature sensor shorted open or not installed e S7SEN Suction Temperature sensor shorted open or not installed Wiring Error Alarm Codes SPSEN Suction pressure transducer shorted open or not installed e ODSEN Outdoor temperature sensor shorted e SUPLO too low e SHTDN Compressor shutdown High low refrigerant pressure or low oil pressure The error code will flash alternately with the normal display information When the error con
21. r fan operation Check for correct refrigerant type Check for iced evaporator coil Check defrost parameters Check superheat setpoint too high Check display values F or C Placing system into SERVICE MODE BOARDS ONLY Use Remote Service Switch in condensing unit Pressing Force Service button board twice Connection between Ser and C on board all are wired in parallel all will activate mode ONLY Master board on multiple evaporator systems with Beacon Smart Controller Use Remote Service Switch in condensing unit Connection between Ser and C on board From program menu of Beacon Smart Controller Change SERVICE setpoint to On all are wired in parallel any all will activate mode ONLY Master board on multiple evaporator systems 20 IF NOT OK 1 Check power to condensing unit Check position of Service Mode switches Check compressor overloads and contactor 2 Add or remove refrigerant to proper charge 3 Check EEV operation Check control board EEV signal Check suction sensor and transducer 4 Check EEV inlet screen and restrictions Check liquid line sizing Check head pressure controls 5 Check everything for E7 LPS above 6 Add or replace with more larger equipment 7 Correct setpoint to proper value 8 Check compressor application limitations Check integrity of compressor operation impaired worn or damaged components 9 Clean condenser coil 10 Remove all non conden
22. rom any of the Evaporators SINGLE SYSTEM CONNECTION Smart Controller IT Master Evaporator 5 Slave Evaporator CU Condensing unit For MULTIPLE independent Refrigeration systems For the first system connect MULTI OUT 1 from the Beacon Smart Controller to the MULTI IN on the Beacon II board on the Evaporator in this first system Then connect MULTI IN 1 from the Beacon Smart Controller to the MULTI OUT the Beacon Il board on the Evaporator on this first system DO NOT disconnect the Room sensor from any of the Evaporators See typical wiring diagram at the back of these instructions Power Supply For the second system connect MULTI OUT 2 from the Beacon Smart Controller to the MULTI IN on the Beacon II board on the Evaporator in this second system Then connect MULTI IN 2 from the Beacon Smart Controller to the MULTI OUT on the Beacon ll board on the Evaporator on this second system See typical wiring diagram at the back of these instructions On systems with multiple evaporators the Beacon Il Smart Controller must be wired to the Master Evaporator first DO NOT disconnect the Room sensor from any of the Evaporators DO NOT CONNECT 24V amp C BETWEEN EVAPORATORS The Beacon Smart Controller and the evaporators are then connected in a daisy chain fashion See the wiring diagrams in the back of this manual A minimum 18 gauge wire should be used All low voltage wiring m
23. ror PROBLEM Step ACTION ITEM IFOK IF NOT OK 88888 LED display 1 Check Voltage to Evaporator Transformer 1 Check field wiring for breaks or shorts power is below 18V and 2 Check Transformer Secondary Output Volts Go to 2 Replace if necessary appears at initial power 3 Check Voltage at Control Board 24 and next step 3 Check factory wiring and connections 4 Check Voltage at Beacon II Smart Controller 4 Check field wiring from board 1 Check for low voltage 1 Check all steps for 88888 LED display LED displays dLy Go to Voltage could drop off too fast to show then oFF with no 2 Check for short in field wiring from comp on next step 2 Check internal factory wiring to displayed errors board to condensing unit terminal connection 3 Replace defective contactor holding coil 19 compressor contactor Beacon Troubleshooting Guide continued PROBLEM Cannot get to box temperature Service Mode SEr is displayed Controller Step ACTION ITEM 1 10 11 12 13 14 15 16 IF OK Check system operation Is it running Check system charge Check for proper operating superheat Check for high superheat and EEV wide open Check Low Pressure Safety Switch Compare equipment capacity with requirements Go to Check box temperature setpoint next step Check compressor performance Check condenser coil for dirt debris Check condenser for non condensables Check condense
24. sables 11 Replace repair fan blade motor cycling switch or make corrective adjustments 12 Compare board setpoint and refrigerant 13 Defrost coil and check defrost cycle see E2 settings setpoints and defrost sensor 14 Correct defrost setpoints in program frequency and termination of defrosts 15 Correct setpoint for more cooling surface 16 Correct setpoint for proper display values Terminating SERVICE MODE BOARDS ONLY 1 Must terminate using same switch 2 Press Clear button on board 3 Open connection between Ser and C Note If multiple switches were placed in Service Mode all must be open to terminate the mode with Beacon Smart Controller 1 Must terminate using same switch 2 Open connection between Ser and C 3 From program menu of Beacon Smart Change SERVICE setpoint to Off Note If multiple switches were placed in Service Mode all must be open to terminate the mode Wiring Diagrams 24 VOLT CONNECTION WIRING W SINGLE SYSTEM CONNECTION DIAGRAM FOR SMART CONTROLLER II WITH ONE EVAPORATOR NOTES SUPPLIED INDEPENDENT Y BY USING 120 24 VAC POWER SUPPLY 2 CONNECTED 1 BEACON BOARD AT THE EVAPORATOR TERMINALS 24 amp C a ERES EROR AN ALARM 16 ACTIVATED 120 1 CONTACT HEATCRAFT PART NO 20061001 REVA 24 VOLT CONNECTION WIRING W SINGLE SYSTEM p
25. splay LCD can be viewed easily yet is secure and vibration free Because of the LCD screen the Beacon Smart Controller should not be mounted where it will experience temperatures below 40 F or above 100 F A terminal strip for wiring connections is located on the base of the Beacon Smart Controller To access this terminal strip pull both halves of the Beacon Smart Controller housing apart Mounting holes are located in the plastic base Beacon II Smart Controller Base 24 V Terminal Strip RS232 Connector WIRING All 24 volt wiring must be run separate from the line voltage wiring All Low voltage wiring must be 18 gauge minimum and must be run separate from high voltage wiring The maximum distance from the Beacon Smart Controller to the Master Evaporator is 1000 ft The terminal strip in the Beacon Smart Controller is labeled similarly to that of the Beacon boards Connect the corresponding terminals to those on the Beacon board For single Refrigeration system Connect MULTI OUT 1 from the Beacon II Smart Controller to the MULTI IN on the Beacon board on the Evaporator Then connect MULTI IN 1 from the Beacon II Smart Controller to the MULTI OUT on the Beacon board on the Evaporator See typical wiring diagram at the back of these instructions On systems with multiple evaporators the Beacon Smart Controller must be wired to the Master Evaporator first DO NOT disconnect the Room sensor f
26. stem data The information displayed such as superheat is the actual superheat of the system as it is changing Press the MONITOR button and follow the steps below to back up one step during monitoring while pressing the PROG REVIEW button press the MONITOR button SUPRHT Superheat use button to check superheat of other evaporators if Master slave Locking Beacon Smart Controller amp Error Codes EXVSET Expansion valve step setting Stepper Motor setting 0 to 255 steps use button to check other evaporators if Master slave SUCTMP Evaporator Suction temperature Measured by the Suction Sensor e SSV7MP Saturated Suction temperature at the Evaporator Determined by Suction Transducer SUCPRE Evaporator Suction Pressure Measured by Suction Transducer OD TMP Actual outdoor ambient temperature Measured at the Condensing Unit DEFTMP Evaporator coil temperature Used to terminate defrost e DEF T M Defrost Time Length of last defrost CMPCYC Comp Cycles of Compressor Cycles since 12 00 midnight CMPRUN Comp run time Measured since 12 00 midnight SPRTMP Spare sensor temperature input VERSON Software Version For each controller use button to check other evaporators if Master slave VERSON Software Version for Beacon Smart Controller When multiple evaporators are connected as master slave depressing the or button will display informati
27. t immediately The Hold Off Hold On times are bypassed This button will illuminate to indicate that the Defrost function is ON When in Defrost pressing this button a second time will end defrost MONITOR Depressing the MONITOR button will display the setpoints shown on page 10 f one Beacon Smart Controller is controlling two or more independent systems you must press the SELECTION BAR 0 display information on the system you want to monitor If multiple evaporators are connected to the system displayed you must press the or buttons to display information on the evaporator you want to monitor PROG REVIEW This button allows stepping through each of the setpoints for initial setup and to make changes f one Beacon Smart Controller is controlling two or more independent systems you must press the SELECTION BAR to display information on the system you want to make program changes If multiple evaporators are connected to the system displayed you must press the or buttons to display information on the evaporator you want 10 monitor CLEAR Used to clear incorrect entries while programming or to return to the System display when monitoring TIME Slide bar is used to set the thermostat clock for Defrost times SETPOINT Slide bar is used to change settings while programming ENTER To enter new settings into the program NOTE Settings are recorded in memory
28. tor pulled in Check Sensor and Board Connection Check Sensor and Board Connection Check Sensor and Board Connection Check Transducer and Board Connection Check Sensor wiring and Board Connection 1 Check Refrigerant Type 2 Check coil for ice 3 Check Control Board step position from board LED 4 Check Electric Expansion Valve Closure Go to next step 5 Compressor Not Operating 6 Check Suction Temperature Sensor 7 Check Suction Pressure Transducer IF NOT OK 1 Check fuses and circuit breakers 2 Check field wiring for breaks 3 4 Check factory wiring and connections Replace if necessary Wait for reset Check transformer voltage secondary and primary and wiring of 208V power taps Check internal condensing unit wiring Replace as needed Replace as needed Replace as needed Replace as needed Replace as needed Replace or remove 1 2 Compare board setpoint and refrigerant Defrost coil and check defrost cycle settings setpoints defrost sensor and heater amps Replace board if EEV steps not at 2 Pumpdown system see if LPS opens or if it times out EEV is bad or LPS is set incorrectly if times out See Pumpdown Check overloads and contactor Compare board sensor reading against actual suction line temperature Compare pressure reading against gauges Beacon Il Troubleshooting Guide continued PROBLEM E7 Compressor Shutdown 1 2 Step ACTION I
29. uickly then press the ENTER button The LCD will display WAIT It may take up to 2 minutes to complete the initialization of the system after which the normal LCD screen will appear BUTTON FUNCTIONS SYSTEM SELECTION BAR If two or more systems are being controlled from the Beacon Smart Controller this bar allows switching between systems The display will show the SYS number and all parameters related to that system The cover plate of Beacon Smart Controller when pushed will also change the display between systems e CLOCK This is used to set the time of day on the display Depress the button to move the clock forward Depress the button to move the clock backward When in PROG Mode these are used to step through values for setting superheat etc for each evaporator of the system s attached to the Beacon Smart Controller and for different defrost start time periods Programming Beacon Smart Controller COOLING Depressing this button will start the system in the cooling cycle immediately The 4 minutes Hold Off is bypassed This button will illuminate to indicate that the Cooling function is ON System operation will be as described under REFRIGERATION MODE in the Beacon II installation manual Pressing the COOLING button while the system is cooling and the button illuminated will pumpdown the system and turn it off DEFROST Depressing this button will force the system into defros
30. ust be run separate from high voltage wiring MULTIPLE SYSTEM CONNECTION SYSTEM 1 SYSTEM 2 SYSTEM 3 s Im s gt e x a Br 51 15 SYSTEM 4 M Master Evaporator S Slave Evaporator CU Condensing unit POWER SUPPLY The Beacon II Smart Controller gets it s 24 VAC power supply from the evaporator When controlling multiple systems the Beacon Smart Controller is powered from the evaporator of only one of the systems If a power interruption occurs to the system supplying the Beacon Smart Controller the Beacon II Smart Controller LCD screen will go blank The other systems will however continue to operate and maintain their box temperature The Beacon Smart Controller can be supplied with it s own power supply by using 24 VAC Universal Plug in Power Source with a minimum of 300 mA When powered by an independent power supply if power is lost to the Beacon Smart Controller the systems Initialization of Beacon Smart Controller will continue to operate and maintain the box temperature This occurs only if an external power supply is used on the Beacon II Smart Controller If the Beacon Smart Controller LCD displays all 88888 this indicates that the power supply is below 18 VAC When this occurs the system will power down and shut off When the power supply is corrected to 24 VAC the system will restart after the four minute hold
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