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Farrar Scientific ULC Series, Instruction Manual

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Farrar Scientific ULC Series Instruction Manual Download Page 28

 

Model ULC Series 

06012021ULC,Rev i 

 

            Page 28 of 54 

 
 
 

 
TECHNICAL 3: 
 

 

 

PRESENT TEMP PROBE VALUE

:  Displays the present reading from the temperature control 

probe. 
 

DESIRED PROBE VALUE

:  Touch the display and use the keypad to enter the control probe 

value based on an independent temperature sensor.  
 

PRESENT OFFSET: 

Displays the present value of the offset to the raw temperature probe value 

due to calibration.  If this value is more than +/- 5 °C, a message will appear warning of this 
excessive calibration offset.  However, the software will still accept the calibration value.  
 
 
 
 
 

Press

to return to the Home screen

 

 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for ULC Series

Page 1: ...Model ULC Series 06012021ULC Rev i Page 1 of 54 ULC Series ULTRA LOW STORAGE CHAMBER ...

Page 2: ...RH value to the spec TS 03 Sep 2020 09032020_c Revised warranty JL 03 Sep 2020 12042020_d Added 32 amp mains breakers for 50Hz models JL 04 Dec 2020 02172021_e Corrected shelving specifications JL 17 Feb 2021 03192021_f Corrected Exterior Dimensions JL 19 Mar 2021 04162021_g Enhanced chamber defrost Section 11 JL 16 APR 2021 06012021_h Changed pictures to illustrations Various sections JL 01 JUN 2...

Page 3: ...Model ULC Series 06012021ULC Rev i Page 3 of 54 ...

Page 4: ...o representations or warranties with respect to this manual In no event shall Farrar Scientific be held liable for any damages direct or incidental arising out of or related to the use of this manual Important operating and or maintenance instructions Read the accompanying text carefully Equipment being maintained or serviced must be turned off and locked off to prevent possible injury Always diss...

Page 5: ... System 6 Operation a Home Screen b Setup Screen c System Health Screen d Information Screen e Technical Service Screen f Managing User Accounts g Setting System Clock 7 Sensor Validation 8 Alarms 9 External Access Ports 10 Troubleshooting 11 General Maintenance 12 Factory Default Control Settings 13 Warranty North America 14 Warranty International 15 Contacting Farrar Scientific ...

Page 6: ...l of four 4 compressors Both refrigeration systems are packaged type systems compressor evaporator condenser circulating fan resting on top of the chamber The refrigeration systems have separate electrical power supply via two 2 power cords including two 2 redundant LCD controllers mounted onto each of the exterior doors The ULC Series is not meant as a walk in chamber but rather a shelved unit fo...

Page 7: ...of the two exterior doors be opened the Controller LCD will display a warning icon along with a Yellow light indicator on the light bar located in the top middle of both doors Should the door remain open for too long user adjustable setting from 5 to 300 sec the Controller display will change from a Warning to an Alarm condition and the light bar will change from Yellow to Red including an audible...

Page 8: ...rol Range ULC ULCi Temperature Control Range ULC WR ULCi WR 40 C to 80 C 1 C Increments 20 C to 80 C 1 C Increments Temperature Minimum Set Point 80 C Temperature Pull Down Time From 20 C to 80 C within 4 Hours 25 minutes Temperature Air Stability at 80 C at 20 C 3 C Uniformity 5C Uniformity Cooling Assist Mode If Air Temperature is 3 C from set point Both System A System B Operational User Adjust...

Page 9: ...c Power Receptacle Location At least 3 feet 1 meter clearance in front of receptacle with a 30 75 cm wide working space and headroom at least the height of the equipment Network LAN Connection Network LAN Connection is not available on the standard ULC series If the optional Farrar Remote Predictive Monitoring Analytic Solution or Monitoring Hardware Solution is purchased then each refrigeration u...

Page 10: ... port are provided 0 875 2 22 cm see Mechanical Layout drawing for location These ports may be used for customer temperature mapping of chamber or continuous sample monitoring The port is filled with insulation and both ends are plugged to reduce moisture infiltration After monitoring sensors are installed replace the insulation and seal or plug both inside and outside of the cabinet to reduce moi...

Page 11: ...g components include a compressor heat moving component condenser heat rejection part evaporator heat absorption part and PWM valve refrigerant flow control devices Controls consists of a circulation fan IDEC PLC Series FC6A RTD temperature sensors PWM valve hot gas control solid state relay and miscellaneous other hardware There are various settings that the user can adjust to suit their specific...

Page 12: ... to operating temperature press the Health icon on the Home screen see Health System Screen 1 Press the AUTO button then enter the access code and press Enter After a short delay period the compressors will start and the unit will begin to cool down to set point It is not necessary to remain on this screen while waiting for the compressors to start b To set the chamber temperature press the Setup ...

Page 13: ...imary cooling defrost status and system critical temperatures in sequential order Unit Information This icon will display the general information concerning the unit such as typical serial label information software revisions and support contact information Technical Service This icon will allow access to the technical and service functions of the unit Note these functions will typically be under ...

Page 14: ...m Condition may occur if the warning conditions is not resolved within the programmed delay period Example door open warning with system in a defrost mode Alarm Icon This icon will be displayed during an active alarm The Alarm Icon is visible when an alarm condition is active Touching this Alarm Icon will display the active alarm condition s Action is required by the end user to resolve the Alarm ...

Page 15: ...ue is 30 C Press ENT enter to save TEMP SET POINT Touch the Temp Set Point display to enter the chamber control temperature The available ranges are ULC ULCi 40 C to 80 C ULC WR ULCi WR 20 C to 80 C The Factory Default setting is 80 C Press ENT enter to save ALARM LOW Touch the Alarm Low display to enter the low temperature alarm set point The available range is 40 C to 99 C The Factory Default is...

Page 16: ...screen SETUP 2 TEMP ALARM DELAY Touch Temp Alarm Delay display to enter the delay time before a High or Low Temperature Alarm condition will cause the audible and visual alarm to be activated The available range is 0 to 120 minutes The Factory Default is 5 minutes press ENT enter to save DOOR OPEN DELAY Touch the Door Open Delay to enter the time delay before an open chamber door will cause the Do...

Page 17: ... available range is 5 to 60 minutes The Factory Default is 30 minutes 30 minutes is the recommended setting and should not be changed without consulting the factory DEFROST END TEMP Touch Defrost End Temp display to enter the defrost automatic termination temperature The available range is 0 C to 40 C The Factory Default is 5 C 5 C is the recommended setting and should not be changed without consu...

Page 18: ... Touch the x in the upper right corner of the screen to return to the System Configuration screen IGNORE DOOR SWITCH Normally opening either door will cause the refrigeration system to turn off and remain off as long as the door is open This icon allows the operator to disable the door switch input so that the refrigeration system remains on when the door is open Note this is not the recommended m...

Page 19: ...e is 1 to 24 months The Factory Default is 12 months The Service Icon will display 30 days prior to the end of the interval to allow for scheduling RESET CALIBRATION TIMER Touch the right arrow icon to reset the calibration notification timer A second screen will display to confirm the reset of the calibration notification timer MAINTENANCE INTERVAL Touch the Maintenance Interval display to enter ...

Page 20: ...t screen SETUP 6 RESET SETTINGS TO FACTORY DEFAULTS Touch the right arrow to reset all control settings to factory default values A second screen will display to confirm the reset Touching the green check mark on the second screen will reset all settings the factory values ...

Page 21: ...in Cooling Defrost OFF OFF BUTTON Touch the Off button to turn Off operation of this display s system OFF disables the refrigeration system as well as all alarms AUTO BUTTON Touch the Auto button to place this display s system into Auto mode AUTO allows the system to automatically alternate with the other system as Primary and Standby It also activates all programmed alarms and the automatic evapo...

Page 22: ...ws the date and time that the alarm was acknowledged by an operator The buttons below the alarm list allows the Operator to manage the alarm log as follows Select Press this button to begin the selection of a specific alarm item Up Press this button to scroll up the list of alarms Down Press this button to scroll down the list of alarms Check Press this button to Acknowledge a specific alarm The A...

Page 23: ...time interval between evaporator defrosts when this system is running as primary The value cannot be changed on this screen See Setup screen number 3 DEFROST CYCLE ELAPSED TIME Displays the cumulative time that this system has been running as primary since its last defrost cycle When this value equals the Defrost Cycle Time the side will begin a Defrost cycle Press to go to the next Heath screen ...

Page 24: ...ULC Rev i Page 24 of 54 SYSTEM HEALTH 3 Displays the present value of various key temperatures in the refrigeration system These values are mainly useful to technical and maintenance personnel Press to return to the Home screen ...

Page 25: ...mation screen INFORMATION 2 Displays the software versions for the display and PLC As well as Machine section serial numbers and chamber serial number Press to return to the Home screen Electrical Requirements Refrigerant Info Operating Pressure info Production Date Serial Number HMI Software Version CPU Software Version Model Machine Section Serial Number Unit Serial Number ...

Page 26: ...ndividual manual On Off operation of the various components of the system OFF BUTTON Touch the Off button to turn Off operation of the system There will be no cooling or other functions from this system AUTO BUTTON Touch the Auto button to place this system into Auto mode The system will now automatically alternate between Primary and Standby modes and will perform automatic Defrosts as programmed...

Page 27: ... arrow icon to enter the detailed temperature technical screens The subsequent screens are described in a separate Technical Manual VIEW TIMERS Touch the View Timers right arrow icon to enter the detailed timer technical screens The subsequent screens are described in a separate Technical Manual Note Perform Calibration requires at least Operator privileges to access PERFORM CALIBRATION Touch the ...

Page 28: ...use the keypad to enter the control probe value based on an independent temperature sensor PRESENT OFFSET Displays the present value of the offset to the raw temperature probe value due to calibration If this value is more than 5 C a message will appear warning of this excessive calibration offset However the software will still accept the calibration value Press to return to the Home screen ...

Page 29: ... accounts you must have Administrator access rights The Factory Administrator account is Tom1 with the password 1mot You should set up your own Administrator account with user name and password at the first log in Note If you delete the factory account and lose your password the HMI will need to be factory reprogrammed to restore use Password Tom1 A B C D E F CAN G H I J K L M N O P Q R CLR S T U ...

Page 30: ...o the Technical Menu T2 screen Press the arrow again to view the Tech Summary screen Once you have your own Administrator account scroll using the up and down arrows to find your Username Enter your password and press ENT On the TECH SUMMARY SCREEN press the VIEW MAIN MENU button ULTRA LOW CHAMBER CHAMBER TEMP C CHAMBER SET POINT C SIDE B VIEW MAIN MENU OTHER SIDE NOT PRESENT 18 4 80 OFF HAND AUTO...

Page 31: ... OPTIONS SCREEN button MAIN MENU VIEW PRACTICE SCREEN CLOSE MAIN MENU VIEW INFO INPUT SCREEN VIEW TEMP SET PT READINGS VIEW DEF TIMER SET PT TIMES VIEW DELAY TMRS TIMES VIEW MANUAL MODE VIEW ALARM LOG OPEN BRIGHTNESS SCREEN VIEW OPTIONS SCREEN VIEW REF SYS FAIL SCREEN VIEW REVISION SCREEN ...

Page 32: ...ON 1XXX B 1 35 CPU SOFTWARE VERSION 1xxx b 127 DOOR OPEN TOO LONG DELAY 30 DOOR OPEN ELAPSED TIME 0 sec LOW TEMP ALARM SET POINT c LOW TEMP ALARM DELAY ON TIME sec VIEW MAIN SCREEN VIEW MANUAL MODE EVAP PAN DELAY AFTER DOOR CLOSES 5 CHAMBER TEMPS NOT SYNC D OPEN BRIGHTNESS SCREEN SYNC CHAMBER TEMPS OPEN USER ACCOUNTS OPEN SYSTEM MODE ...

Page 33: ...s profile and press the Edit button User ID 5 X User Name John1 Password Security Group Operator Detail Reader Edit Add Del On the specific account screen make changes to the account For example to change the account s Security group press the Change button then press OK User ID 5 X User Name John1 Password Security Group Operator Change Reader Edit User OK CANCEL ...

Page 34: ...ing User set up and Technical screens It should be granted to very few people in the organization OPERATOR This is the intermediate level of security It should be granted senior level equipment users This level allows the user to make changes to all settings including set points alarms and the alarm log READER This is the lowest level of security This level has viewing access to settings and alarm...

Page 35: ...C Rev i Page 35 of 54 After pressing the OK button on the account edit screen the message screen will indicate the changes have been saved Press OK to return to the accounts screen User ID 5 X User Name John 1 Password Succeed OK ...

Page 36: ...UNT On the USER ACCOUNT screen press the Add button User ID 5 X User Name John1 Password Security Group Operator Detail Reader Edit Add Del A blank user account profile will appear Touch the User Name User ID 6 X User Name Password Security Group Change Add User OK Cancel ...

Page 37: ... symbols Touch the Password area A keypad will be displayed Enter the Password and press ENT Next assign security levels to the account Press the Change button to go to the Security Group screen Select the Security level for the user The various security levels are described under Security Group Descriptions After selecting the security group press the Close button to return to the accounts screen...

Page 38: ...OK button User ID 6 X User Name JANE1 Password Succeed Add User OK A message will be displayed confirming that the account profile has been saved Press OK to return to the accounts screen To exit the accounts screen entirely press the X button at the top of any account screen you will be returned to the options screen ...

Page 39: ...OFTWARE VERSION 1xxx b 127 DOOR OPEN TOO LONG DELAY 30 DOOR OPEN ELAPSED TIME 0 sec LOW TEMP ALARM SET POINT c LOW TEMP ALARM DELAY ON TIME sec CHAMBER TEMPS NOT SYNC D OPEN BRIGHTNESS SCREEN SYNC CHAMBER TEMPS OPEN USER ACCOUNTS OPEN SYSTEM MODE VIEW MAIN SCREEN VIEW MANUAL MODE EVAP PAN DELAY AFTER DOOR CLOSES 5 ...

Page 40: ...021ULC Rev i Page 40 of 54 You will be returned to the TECH SUMMARY SCREEN Press the HOME button Ultra Low Chamber CHAMBER TEMP C CHAMBER SET POINT C SIDE B VIEW MAIN MENU OTHER SIDE NOT PRESENT 18 4 80 OFF HAND AUTO LOG IN ...

Page 41: ...em date and time The system clock can be set using the hidden system menu This menu is accessed by touching and holding the upper left corner of the display screen After holding that spot for a few seconds the hidden maintenance screen will be displayed Touch System Mode Maintenance X System Mode Device Monitor Adjust Brightness ...

Page 42: ...dress 192 168 3 231 2021 APRIL 08 THURS 11 52 15 ENG JPN BRIGHTNESS 28 On the Main Menu page Press Clock Setting Using the keypad and left and right arrow keys enter the desired date and time Then Press Save Return to Main Menu tab Press Run to return to the Home screen Main Menu Initial Setting Clock Setting Offline Run System Information File Manager Top Page Self Diagnosis ...

Page 43: ...s terminal block The ULC is supplied with remote alarm signaling dry contacts non powered Connections are made to a terminal strip located on the right side of the unit near the top Each pair of contacts are electrically isolated from the other contacts There are two sets of dry contacts One set activates when either door is open the other activates for any alarm condition Both sets of contacts ar...

Page 44: ...Model ULC Series 06012021ULC Rev i Page 44 of 54 Terminals Position Description 1 2 Open Doors are open 1 2 Closed Doors are closed 5 6 Open General alarm 5 6 Closed No alarm conditions Light Tower ...

Page 45: ... V Yellow Warning Icon Refrigeration Assist System A B Green 0 C to 40 C System Operating Normally V V Green No Alarm or Warning Icon Preventative Maintenance Reminder V V Green Service Icon 1 to 24 months Calibration Reminder V V Green Service Icon 1 to 24 months A Audible Alarm V Visual Alarm C Dry Contacts Switch When a refrigeration system is defrosting the warning light on the light tower and...

Page 46: ...riod 9 0 External Access Port Two front access ports located between ULC exterior doors are provided on the cabinet for BMS or SCADA temperature monitoring probe The access ports are plugged on the exterior and interior and insulated to reduce moisture infiltration After a sensor is installed replace the insulation and seal the port both inside and outside of the cabinet to reduce moisture infiltr...

Page 47: ...re performing maintenance inside of the unit 2 Unit not cooling a Verify at least one of the redundant refrigeration systems are set to AUTO mode see Operation section 6 b Verify temperature control set point Setup screen 1 is set to the desired level c Verify door is closed The door switch turns off the internal circulation fan and refrigeration d Check that the access port is sealed and there is...

Page 48: ...ning of the condenser will aid the heat transfer characteristics of the refrigeration system and increase its efficiency Dust dirt and lint will tend to accumulate on the fins of the condensing unit This obstruction will affect the flow of air through the condenser thereby lowering the efficiency of the system a The condenser is located on the outside end of each refrigeration section b Using a br...

Page 49: ...ost of the Refrigeration System Each machine section will perform a defrost cycle automatically at a time interval that can be set by the user Refer to the Operation section of this manual for more details Defrosting the chamber Depending on the room ambient humidity levels it will be necessary to manually defrost the chamber interior periodically a Remove all product from the freezer b Turn the f...

Page 50: ...s a visual inspection Complete the following steps 1 Turn off the freezer 2 Unplug the evaporator fan power cable 3 Remove the top of the evaporator cover by unlatching the four clamps holding the evaporator cover in place Using the handles installed lift the evaporator cover from the machine section 4 Visually inspect blower wheel and check blower wheel balance via turning blower wheel manually a...

Page 51: ...Model ULC Series 06012021ULC Rev i Page 51 of 54 12 0 Factory Default Settings All settings may be returned to factory default settings Refer to the details the Setup section screen 6 ...

Page 52: ...overed by this warranty agreement Farrar Scientific Technical Services Department must be contacted for warranty determination and direction prior to any work being performed Expendable items i e glass filters pilot lights light bulbs and door gaskets are excluded from this warranty Replacement or repair of component parts or equipment under this warranty shall not extend the warranty to either th...

Page 53: ...ion and calibration are not covered by this warranty agreement Farrar Scientific Technical Services Department must be contacted for warranty determination and direction prior to any work being performed during the warranty period Expendable items i e glass filters pilot lights light bulbs and door gaskets are excluded from this warranty Replacement or repair of component parts or equipment under ...

Page 54: ...tion readily available Model Number Serial Number Date of Purchase Purchase Order IF YOU NEED ASSISTANCE Farrar Scientific products support team is ready to answer your questions In addition to technical support we offer various accessories extended warranty program and validation services Visit us at www farrarscientific com Contact us at 1 740 374 8300 Or email sales farrarscientific com ...

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