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6220 & 6240 SERIES

FREEZE / THAW CHAMBER

OPERATIONS MANUAL

FOR MODELS

6220, 6221

6240, 6241

PO Box 715

Marietta, OH 45750

800-648-3042



740-373-6809

Fax 740-374-3760

www.caronproducts.com

[email protected]

Summary of Contents for 6220

Page 1: ...20 6240 SERIES FREEZE THAW CHAMBER OPERATIONS MANUAL FOR MODELS 6220 6221 6240 6241 PO Box 715 Marietta OH 45750 800 648 3042 740 373 6809 Fax 740 374 3760 www caronproducts com service caronproducts com ...

Page 2: ... we are committed to continuous quality improvement Our goal is to supply our customers with highly reliable equipment at a fair price In order to openly monitor our performance we would appreciate your feedback on our products and services If you have questions or any suggestions for improvement based on the installation or operation of the equipment you have purchased please contact our service ...

Page 3: ...age DRYR301 Connecting the Fluorescent Lighting LGHT301 LGHT305 Installing Drain Water Pump PUMP301 Installing the Side Mounted Recorders RCDR314 RCDR315 Section 5 Operation 23 Changing the Temperature Set point Changing the Humidity Set point Operation of the Defrost and Low Temperature Systems Operation of the Delux Controller System Section 6 Optional Accessory Operation 30 Using the Carboy Wat...

Page 4: ...47 Alarm System Overview Changing Alarm Set points Section 9 Preventative Maintenance 48 Section 10 Specifications 49 Section 11 Electrical Schematics 50 Section 12 Troubleshooting 52 Section 13 Spare Replacement Parts 53 Section 14 Advanced Users Section 55 Unlocking the Controllers Locking the Controllers Appendix A Ramp Soak Programming Example 56 Appendix B Declaration of Conformity 60 ...

Page 5: ...is used under normal operating conditions in accordance with the instructions provided by CARON as follows COVERED Parts and labor for a period of one 1 year from date of shipment first six digits of serial number tag contain date of shipment Any part found defective would be either repaired or replaced at CARON s discretion free of charge by CARON in Marietta OH Parts that are replaced will becom...

Page 6: ...Repair or replacement of parts due to the customer s failure to follow normal maintenance instructions Parts considered consumable such as light bulbs filters gases etc Damage from use of improper water quality Damage from chemicals or cleaning agents detrimental to equipment materials Force Majeure or Acts of God This writing is a final and complete integration of the agreement between CARON and ...

Page 7: ...2 Page 7 of 60 INTERNATIONAL SYMBOLS AND DEFINITIONS WARNINGS Warning of hazardous area Warning of dangerous electric voltage Earth ground protective conductor Local government may require proper disposal Help Information i Warning of hot surface ...

Page 8: ...f Right Side Access Port Temperature Humidity Sensors Replaceable air intake filter Door Handle Illuminated CARON Logo Casters Leveling Feet SECTION 2 EQUIPMENT OVERVIEW Congratulations You have just purchased the latest technology in freeze thaw environmental chambers Before using the equipment familiarize yourself with key components of the product and thoroughly read this manual ...

Page 9: ...s Operations Manual Rev D 2 14 2012 Page 9 of 60 SECTION 2 EQUIPMENT OVERVIEW CON TINUED Humidity Enable Switch Alarm Silence Switch Visual Alarm Indicator Humidity Controller Options Panel Temperature Controller ...

Page 10: ...it must be located on a firm level surface capable of supporting approximately 800 pounds The unit should be located in an 18 C 25 C ambient area and where there is no direct airflow from heating and cooling ducts as well as out of direct sunlight Allow four inches of clearance on all sides of the product to allow for connections and airflow Model Water Source Needed Water Drain 6220 6240 Yes Yes ...

Page 11: ...helves Each new environmental chamber includes four or five perforated stainless steel shelves Each shelf requires two shelf channels for installation The left and right shelf tracks are the same Prior to installation take time to consider what the size of the product being placed in the chamber will be and set the shelf spacing accordingly Additional shelving can be purchased through CARON custom...

Page 12: ...n to make sure it is tight Route the drain tubing to a local floor drain If a local floor drain is not available a variety of accessories are available through CARON customer service These accessories can also be viewed at www caronproducts com For non humidified chambers operated above 15 C a drain is not needed Install the 3 8 plug into the drain connection Connecting the Water Supply To ensure ...

Page 13: ...ng are provided to connect the water supply to the chamber Connect an appropriate water supply to the fitting Incoming line pressure should be regulated to not exceed 80 psi If a Condensate Recirculator water recycling system was purchased as a water supply refer to its user s manual for proper installation of the water supply Connecting Electrical Power The unit requires a dedicated electrical ou...

Page 14: ...at represents each of the displayed temperature and humidity values These options can be used for connection to in house data acquisition recorder or alarm system Factory default settings are as follows Parameter Analog Output Corresponding Value Temperature 0 5 V 50 100 C Humidity 0 5 V 0 100 rh Connect shielded wires to the appropriate signal terminals I for current mA or V for voltage DC For bo...

Page 15: ... Communications wires should be shielded and routed away from power wires Maximum distance of total wire is 2000 feet When connecting multiple chambers route wires in a daisy chain fashion A termination resistor of 120 ohms may be placed across RS 485 and RS 485 of the last chamber in the daisy chain For PC s having an RS 232 serial port 9 pin D Sub connection an RS 485 to RS 232 converter may be ...

Page 16: ...cts the terminals provided allow for a NO normally open output a NC normally closed and COM common connection In the event of an alarm condition or power failure the NO contact will close and the NC contact will open Once the alarm is cleared the contacts return to their normal conditions Insert the appropriate wire into the terminal and tighten down the screw terminal on top of the connector Term...

Page 17: ...s required to mount the carboy to the unit will be mounted in the left hand side of the chamber Remove the carboy assembly from inside the chamber and attach it to the chamber using the bolts Attach the preassembled tubing provided with the carboy to the water inlet on the rear of the chamber Fill the carboy with water as described in the connecting a water supply section of the manual Bolts 4 tot...

Page 18: ...o 100 psig to operate Maximum airflow required is 480 SCFH 8 CFM Of this 300 SCFH 5 CFM is injected into the chamber as dry air and 180 SCFH 3 CFM is exhausted into the room after being used to regenerate the desiccant Particles of dirt or rust as well as large amounts of condensed moisture or oil that may be in the compressed air line feeding the dryer must be removed from the air stream before i...

Page 19: ...or incoming air pressure The air supply either house air or other compressed air source must be 90 to 100psig at the air supply inlet An oil less compressor may be used A Sound Suppression Kit maybe used to reduce the dryer noise contact CARON service for details 1 Attach Dryer Package to exterior chamber with four mounting screws 2 Connect dryer package power cord and 3 8 orange tubing into the d...

Page 20: ...Attach 3 8 orange tubing from the chamber to the flow meter outlet 4 Connect compressed air to dryer package inlet fitting 1 4 NPT See Operations section of the manual for instructions on setting the pressure regulator and flow meter Dryer Inlet Flow Meter Outlet ...

Page 21: ...cent lighting have light banks consisting of two lamps each 6220 series models have three independent light banks and 6240 series models have four light banks on two independent controls The light banks are suspended to the shelf underside The lights shipped fully installed in place from the factory See the Operations or Maintenance sections of the manual for more details Light Banks Light Bank Wi...

Page 22: ...e chamber Carefully remove the recorder from its packaging Mount the recorder by using the pre installed recorder bracket There are three factory drilled holes located on the right side of chamber as you face the front of chamber Using the factory supplied screws screw the recorder to the side of the chamber There are two cables that come out of the recorder One is to power the recorder the other ...

Page 23: ...oint press the UP arrow to increase the temperature set point by 0 1 C Press the DOWN arrow to decrease the temperature set point by 0 1 C Pressing and holding either button will cause the set point to scroll rapidly in either direction To turn off the temperature control system but still display the chamber temperature press the EZ button The words OFF will display in the set point area To toggle...

Page 24: ...midity is not required in the chamber the RH system can be disabled by turning off the Enable Humidity switch This will disable the entire RH system including the controller The system can be turned back on at anytime To turn off the humidity control system but still display the chamber humidity level press the EZ button The words OFF will display in the set point area To toggle back to controlled...

Page 25: ...ry 96 hours and lasts for 20 minutes During the defrost cycle the chamber temperature will increase several degrees above set point to melt any ice that has formed on the evaporator This temperature spike is normal and assures long term operation Operation in Low Temperature Mode 6220 6240 only When the chamber is operating at temperatures below 4 5C it automatically enters the Low Temperature Mod...

Page 26: ...hese steps to set a unique address for each controller 1 Press and hold the up and down key simultaneously for six seconds 2 The upper display will read Ai and the lower will read SEt 3 Press the up key until the upper display reads CoM 4 Press the advance key until PCoL appears 5 Set the protocol to either Modbus Mod or Standard Bus Std 6 Press the advance key until Ad M Modbus or Ad S Standard a...

Page 27: ...alibrated by placing an offset into the controller This offset affects only the analog outputs and not the controller displayed value To change the controller displayed value see the calibration section in the manual To change the factory defaults of the controllers the controllers must be unlocked Refer to Section 14 Unlocking the Controllers 1 Pressing the up and down keys simultaneously for 6 s...

Page 28: ... 0 5V set to 5 For 1 5V set to 5 For 4 20mA set to 20 Set the Range Low value to the minimum temperature or humidity that will correspond with the Scale Low value default is 0 0 Set the Range High value to the maximum temperature or humidity that will correspond with the Scale High value default is 100 0 6 If an offset or calibration is needed adjust the o CA parameter accordingly 7 Press and hold...

Page 29: ...ls can run in sync Starting Stopping a Profile Once a profile is programmed into the controller it may be started or stopped at any time from the home page 1 Press the ADVANCE button several times until P St1 appears 2 Use the UP or DOWN arrow keys to choose the file or step number within a profile where you want to begin running 3 Press the ADVANCE button one time P AC1 should display 4 Select th...

Page 30: ...ils The carboy holds 2 5 liters If the carboy must be removed in order to fill it up first disconnect the tubing between the carboy and chamber by pressing the metal lever at the tubing connects disconnects at the bottom of the carboy Then unscrew the four mounting screws and remove the carboy After re attaching the carboy connect the tubing by simply pressing the plastic fittings into each other ...

Page 31: ...talled between the tower dryers and glass flow meter to limit the pressure into the flow meter The regulator should be set at a maximum of 100psi 1 Open the chamber door and set the humidity set point to 0 2 Turn the flow meter adjustment knob OFF 3 Adjust the pressure regulator knob so the pressure regulator dial indicates 90 psig maximum Pull up on the knob to adjust push down on the knob to loc...

Page 32: ...Each light bank has two lamps and is mounted on the underside of a shelf The banks can be located on the same or separate shelves Each light bank has a corresponding switch that enables that light bank to come on when the timer is on The 6220 series have three independent controls while the 6240 series have two Only the light banks that have their individual switch turned on will illuminate The gr...

Page 33: ...splayed 2 Using the up and down cycle time adjustment buttons set the lights off cycle timer to the desired time in the format hh mm Maximum time is 99hrs 59min 3 Press the MODE button cycle time display indicator switches to SET2 4 Using the up and down cycle time adjustment buttons set the lights on cycle timer to the desired time in the format hh mm For continuous lights on operation set the SE...

Page 34: ...e MODE button three times until tōtm is displayed 9red letters 4 Use the up and down arrow buttons to change the green display from tōF1 to tōFF 5 Hold the MODE button down for 3 seconds to return to the normal mode Setting the 2nd Set point also called idle set point To set the day and night temperature and humidity optional settings on the controller use the following procedure To adjust the day...

Page 35: ...tes low level internal lighting There are separate temperature and humidity optional set points that correspond with the lights on day and lights off night The set points can also be made the same if continuous conditions are needed throughout the light cycles Lights On Indicator Light Lighting System Power Switch Light Timer ...

Page 36: ...ime adjustment buttons set the lights off cycle timer to the desired time in the format hh mm Maximum time is 99hrs 59min 3 Press the MODE button cycle time display indicator switches to SET2 4 Using the up and down cycle time adjustment buttons set the lights on cycle timer to the desired time in the format hh mm For continuous lights on operation set the SET2 cycle time to 00 00 Maximum time is ...

Page 37: ... night setting lights off 7 At 7 00 P M press the RST button on the timer 8 Timer is now set to run with lights off from 7 00 P M to 7 00 A M and programmed to turn the lights on from 7 00 A M to 7 00 P M Day Start Procedure To start the same profile using the example above follow these steps to start your lights in day mode 1 Set the timer to SET 2 2 Enter the length of time you would like to hav...

Page 38: ... MODE button three times until tōtm is displayed 9red letters 9 Use the up and down arrow buttons to change the green display from tōF1 to tōFF 10 Hold the MODE button down for 3 seconds to return to the normal mode Setting the 2nd Set point also called idle set point To set the day and night temperature and humidity optional settings on the controller use the following procedure To adjust the day...

Page 39: ...protected For chambers that have a single interior duplex outlet the outlet is fused at 2 0 Amps Chambers with two interior duplex outlets are fused at 4 0 Amps total Adjusting the Fresh Air Ports PORT302 Fresh air ports facilitate air exchange between the chamber interior and room air The ports are intended to be used together air enters through one port and out the other The amount of air exchan...

Page 40: ...art hub knob at the center of the chart and remove the recording chart paper Gently lift the thermal pen arm just enough to be able to slide the paper out from beneath it Remove the recording chart paper and place the Setup Chart onto the recorder This chart contains the configuration categories of the recorder Probe Input Inner Chart Temperature Outer Chart Temperature Temperature Scale Chart Rot...

Page 41: ...tion a new one Re attach the chart hub knob and screw securely by hand against the chart Press and hold the Change Chart button 3 again for approximately one 1 second and the thermal pen arm will move back onto the chart and begin recording Green Light LED Status The green LED light located just below the three button membrane switch is used to show the recorder s status 1 LED on steady not flashi...

Page 42: ...n must be held down until the green LED light turns off after which follow the instructions in single input instructions above Maximizing Pen Life In order to maximize the amount of life expected out of the thermal pen tip follow these simple rules 1 Never let the thermal pen tip ride on the chart plate when the chart paper is not present This will damage the protective coating of the heating elem...

Page 43: ...t or start a new one follow the steps below 1 Turn the knob on the door and swing the door open 2 Press the CHART button to temporary put the chart in hold mode 3 Pull up on the arm lifter to raise the arm from the chart plate NOTE DO NOT LIFT THE ARM DIRECTLY 4 Lift the paper off the hub and slide it out from under the arm to remove it from the chart plate 5 Slip the new chart writing near center...

Page 44: ...one of the standard settings 8 hr 12 hr 24 hr 7 days or x HR to specify a unique speed 6 If specifying a unique speed press the FUNC button and use the up and down arrow keys to set the chart speed in hours 6 to 744 7 Press the LOWR DISP button to return to the main display 8 Press the CHART button to start recording at the new speed 9 Close the door ...

Page 45: ...n is needed the following steps can be taken Locate the reference instrument s temperature sensor in close proximity to the cabinet s geometric center Be sure that the stabilization times described earlier have been satisfied prior to performing calibration Press the advance key until the green display reads i CAL calibrate Pressing the UP arrow will increase the Temperature calibration offset by ...

Page 46: ...set by 1 Pressing the down arrow will decrease the Humidity calibration offset by 1 Pressing and holding either button will rapidly scroll the calibration offset When finished press the infinity key to return to the main menu Humidity calibration example If the chamber temperature display reads 80 and the calibrated independent sensor shows 83 set the i CAL offset value to 3 0 If the calibrated in...

Page 47: ...oint 5 RH 15 minutes RH Controller AL h1 RH lower than Set point 5 RH 15 minutes RH Controller AL L1 In the event an alarm occurs the alarm indicator will illuminate and an audible alarm will occur To temporarily disable the audible alarm toggle the alarm audible enable switch to silence When the alarm condition is corrected both the alarm indicator and the audible alarm will be disabled Return th...

Page 48: ...ww caronproducts com Recommended Daily Maintenance Checks Check the Temperature and humidity displays versus set points Check for and correct any alarm condition Recommended Monthly Maintenance Checks Check to ensure the drain in the bottom of the unit is draining properly Check front air intake filter If it is dirty replace it with CARON part number FLTR301 Washing the filter will result in poor ...

Page 49: ...nish Solid Stainless Steel Exterior Dimensions 36 W x 33 D x 77 H 36 W x 33 D x 90 H 90cm x 85cm x 196cm 90cm x 85cm x 229cm Exterior Construction Cold Rolled Steel Powder Coated Work Space 25 Cu Ft 708 Liters 33 Cu Ft 934 Liters of Shelves Four 4 Five 5 Shelf Construction Type 304 Stainless Steel Electro polished Shelf Dimensions 29 W x 24 D 74cm x 62cm Model 6220 6221 6240 6241 2 3 2 3 Shipping ...

Page 50: ...6200 series Operations Manual Rev D 2 14 2012 Page 50 of 60 SECTION 11 ELECTRICAL SCHEMATICS ...

Page 51: ...6200 series Operations Manual Rev D 2 14 2012 Page 51 of 60 SECTION 11 ELECTRICAL SCHEMATICS CONTINUED ...

Page 52: ... stopper in the right side of the cabinet installed Is the condenser filter on the front of the cabinet clean Unit humidity level is above below humidity set point Is the unit connected to a water source as specified in the installation section of the manual Has the unit been leveled to insure the cabinet drain works correctly The cabinet s drain line uses gravity to remove water Does the drain li...

Page 53: ...C Air Heater Thermostat RMT 116 121C Air Heater Thermostat RTD 101 Temp Sensor RTD 100 Ohm Platinum REL 103 Heater Solid State Relay CMP 123 230V 60Hz Condensing Unit CMP 124 230V 50Hz Condensing Unit MTR 152 Condensor fan motor REL 152 Refrigeration Solid State Relay REL 154 Refrigeration Time Delay Relay SOL 108 Refrigeration Cooling Solenoid Humidity Related Part Number Description HUM 110 RH S...

Page 54: ...DR303 RCDR304 PPR 201 12 inch thermal recorder paper RCDR314 RCDR315 TUB 174 1 2 I D silicone tubing PUMP301 WIR 102 20 3 conductor shielded wire ALRM301 SFTW103 ID Description 230V SW1 Main circuit breaker switch CBR 116 12A FUS1 Front mount chart recorder fuse FUS 155 0 08A FUS2 Side mount chart recorder fuse FUS 156 0 16A FUS3 Internal outlet fuse single duplex FUS 151 2A FUS3 Internal outlet f...

Page 55: ...5 5 Press the advance key until sLoC is displayed in the lower display 6 Press the up key to change the security level from 2 to 5 7 Press infinity key twice to return to the main menu All controller parameters are now available to be modified Once the appropriate changes have been made it is highly recommended to relock the controllers per the instructions below Locking the Controllers To lock an...

Page 56: ... Using the UP and DOWN arrow buttons display the desired profile Ex P1 Profile 1 contains steps 1 10 Profile 2 contains steps 11 20 Profile 3 contains steps 21 30 Profile 4 contains steps 31 40 4 Press the ADVANCE button once the step should display 5 Using the UP and DOWN arrow buttons display the desired step Ex 1 6 Press the ADVANCE button once the step type will display 7 Use the UP and DOWN a...

Page 57: ...r of jumps a 0 indicates an infinite number JC End Type What controller will do when profile ends End Off turn control outputs off when profile ends oFF Hold hold the last set point when profile ends HoLd User revert to previous set point when profile ends USEr Event Output 1 Whether event 1 is on or off during this step Ent1 Event Output 2 Whether event 2 is on or off during this step Ent2 10 Rep...

Page 58: ...nt2 oFF Step 4 P1 4 Soak step type S tyP SoAH Time in hours hoUr 8 Time in minutes Min 0 Time in seconds SEC 0 Event Output 1 Ent1 oFF Event Output 2 Ent2 oFF Step 5 P1 5 Jump loop step S tyP JL Jump step go to step 1 JS 1 Jump count repeat 6 times JC 6 Event Output 1 Ent1 oFF Event Output 2 Ent2 oFF Step 6 P1 6 Timed step type S tyP ti Target set point 30ºC T9 SP 30 Time in hours hoUr 1 Time in m...

Page 59: ...6200 series Operations Manual Rev D 2 14 2012 Page 59 of 60 Step 8 P1 8 Un used step S tyP UStP Step 9 P1 9 Un used step S tyP UStP Step 10 P1 10 Un used step S tyP UStP ...

Page 60: ...equirements of the following European Union Directive s using the relevant section s of the normalized standards and related documents shown EMC EN 61326 CISPR 11 2004 Class B Laboratory Equipment Immunity Measurement Control requirements Performed according to EMC Directive 2004 108 EC IEC CISPR 11 1997 A1 1999 A2 2002 EN 55011 1998 A1 1999 A2 2002 FCC CFR47 Part 18 Safety EN 61010 1 Safety requi...

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