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caron 7340-25 Operation Manual

Insect & animal rearing chambers
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  • Page 2 At CARON, 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.
  • Page 3 Revision Log Version Date Description Rev A 1-9-18 Initial Release Rev B 02-12-18 Added HUMD311-1,-4 option Rev C 04-04-18 Edited troubleshooting section, port stoppers Rev D 07-17-18 Updated PM Kit info 05-14-19 Added analog output adjustable temperature Rev E range feature. Rev F 1-15-20 Updated for flammable refrigerant...

  • Page 4: Table Of Contents

    TABLE OF CONTENTS Warranty ......................6 Equipment Overview .................. 10 Installation ....................13 Unpacking Choosing a Location Preliminary Cleaning Installing the Port Stopper Installing the Shelves Leveling the Unit Connecting the Drain Line Connecting the Water Supply (HUMD311-1,-4 option) Connecting Electrical Power Optional Accessory Installation ..............
  • Page 5 Changing Alarm Setpoints and Delay Alerts ........................57 Alert System Overview Maintenance Info ....................... 60 Info System Overview Advanced Features ..................61 Setting the time & day Door Heat Humidity Control Locking the controls Changing the passcode Factory menu & troubleshooting Preventative Maintenance ................

  • Page 6: Warranty

    WARRANTY INFORMATION EQUIPMENT LIMITED WARRANTY Please review this section before requesting warranty service. At CARON, one of our primary goals is to provide customers with high levels of personal service and top quality products, delivered on time, backed by technical service and supported for the life of the product.
  • Page 7 This warranty cannot be altered unless CARON agrees to an alteration in writing and expressly stated herein shall be recognized to vary or modify this contract.
  • Page 8 INTERNATIONAL SYMBOLS AND DEFINITIONS Help Information Warning of hazardous area Warning of hot surface Warning of dangerous electric voltage Warning of risk of fire Earth (ground) protective conductor WARNINGS Local government may require proper disposal 7340_7350-25-33 Series Operations Manual Rev J 3-31-21 Page 8 of 92...
  • Page 9 TO LOCATE REFRIGERANT TYPE AND PRESSURES, SEE SERIAL LABEL LOCATED ON THE OUTSIDE OF THE UNIT FOR HYDROCARBON (R290 PROPANE) REFRIGERANT UNITS R290 is highly flammable and must be treated with proper care. Do not damage the refrigeration circuit. Do not store explosive substances in the unit.

  • Page 10: Equipment Overview

    Replaceable air 7” Full intake filter behind Color HMI bezel Coated refrigeration Coils (optional 7350) Adjustable Illuminated Sliding Shelf CARON Logo 3 Pane Glass Door Right Side Left Side Access Port Access Port Temperature (& Optional Humidity) Sensors behind panel...
  • Page 11 Replaceable air 7” Full intake filter behind Color HMI bezel Fresh Air Port Inlet Adjustable Sliding Shelves Illuminated CARON Logo Light Tight Door Right Side Access Port Left Side Access Port Temperature (& Optional Humidity) Sensors behind panel Cabinet Leveling...
  • Page 12 EQUIPMENT OVERVIEW – CONTINUED Status Bar Actual Humidity Actual Day / Time (HUMD307 option) Temperature Setpoint Speaker Menu Settings Lockout Menu icon Day night lights Parameter (some models) Display Zones Current (Home Screen) screen indicator Navigation Pane (indicates menu depth) Submenu categories (Settings Screen) 7340_7350-25-33 Series Operations Manual...

  • Page 13: Installation

    For prolonged periods of inactivity leave the unit unplugged and securely stored. Caron provides full on-site installation services for all models. Our installation services guarantees the proper set-up and startup of all equipment. Please contact the Service Department at 740-373-6809 or www.caronproducts.com...
  • Page 14 Choose a location where these facilities are, or can be made available. If a water source or a drain is not available, contact CARON customer service and ask about our CRYS102 product line or click this web link for information on the product: www.caronproducts.com...

  • Page 15: Preliminary Cleaning

    Contact Caron if there is any doubt to the compatibility of the cleaning agent being used with the chamber. After cleaning, dry all interior components with a sterile cloth as necessary.

  • Page 16: Leveling The Unit

    Each shelf is capable of supporting a uniformly distributed load of 50 pounds. The maximum chamber capacity (stationary) is: 500 pounds. Do not have multiple loaded shelves out simultaneously or the chamber may tip. Leveling the Unit Place a level on the middle shelf of the incubator. Adjust the leveling feet until the unit sits level left to right and front to back.

  • Page 17: Connecting The Drain Line

    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”...

  • Page 18: Connecting The Water Supply (Humd311-1,-4 Option)

    This applies to units that have the HUMD311-1,-4 humidity option. To ensure proper operation, distilled or deionized water is required as a supply on units that have humidity control. If these water sources are not available contact CARON customer service.

  • Page 19: Connecting Electrical Power

    Connecting Electrical Power Connect each chamber to a grounded circuit. Failure to do so could result in electrical shock. The unit requires a dedicated electrical outlet. See table below for model specific power required and connection. Model # Power Requirements Plug Connection 115V, 60Hz, 16A FLA NEMA 5-20...

  • Page 20: Optional Accessory Installation

    OPTIONAL ACCESSORY INSTALLATION Connecting Alarm Contacts (ALRM302) With the purchase of ALRM302, a set of terminals on the rear of the unit is provided to monitor temperature and humidity alarms. With the alarm contacts, the terminals provided allow for a NO (normally open) output, a NC (normally closed) and COM (common) connection.

  • Page 21: Connecting Analog Outputs (Outp301, Outp302)

    Connecting Analog Outputs (OUTP301, OUTP302) With the purchase of OUTP301, OUTP302 the controls are equipped with analog outputs. A set of terminals are provided on the back of the unit to connect to analog outputs. Analog Output Connections Analog outputs provide either a milliamp (4-20mA) or voltage (0-5V) signal output to represent each of the displayed temperature (and humidity) values.

  • Page 22: Installing Drain Water Pump (Pump301)

    Internal Level Switch In applications where a floor drain is not available and a CARON water recycling system is not being used, a drain pump can be purchased to pump any excess condensate from the chamber to a local sink or drain. The pump is located near the middle of the back of the chamber.

  • Page 23: Operation

    OPERATION Before the incubator can be commissioned for use, make sure that the following steps have been completed: - Chamber is properly installed and level. - The appropriate utilities connected to the chamber. With the above mentioned steps complete, the power switch located on the right side, near the top of the unit exterior, can be turned on.

  • Page 24: Using The Keypad

    Using the Keypad This control system uses a numeric keypad to enter all parameter values. Similar to a calculator, this allows quick and precise entry of values. When any numeric value button is pressed, the keypad display will pop up over the current display. Parameter Description Range of variable Header...

  • Page 25: Learning The Touchscreen

    15 minutes. At this time, the screen will be completely blank (ie. black). The illuminated Caron logo (see Equipment Overview section) shows that the unit is powered on and functioning. To wake-up the touchscreen, simply press anywhere on the touchscreen and the main screen will display.

  • Page 26: Changing The Temperature Setpoint

    Changing the Temperature Setpoint The steps below walk through an example of changing the temperature setpoint from 30.0 °C to 20.0 °C. This example shows humidity control as well (HUMD307 option). Here is the display of the home screen. Setpoint Button Actual Temperature To set the temperature setpoint, press the...
  • Page 27 A temperature setpoint window will appear. Enter the temperature setpoint by using the keypad. For a setpoint of 20, press ‘2’), then (‘0’), followed by the (Ent) button. Correct any mistakes with the (Clr) and reenter the value. Once the Enter key has been pressed, the pop-up keypad disappears and the screen returns to the Setpoint display with the new value of 20.0 °C in the temperature set point...

  • Page 28: Changing The Humidity Setpoint

    Changing the Humidity Setpoint (HUMD311-1,-4) The steps below walk through an example of changing the humidity setpoint. Here is the display of the home screen. Setpoint Button Actual Humidity To set the humidity setpoint, press the (Setpoint) button on the right side of the screen Humidity Setpoint Button...

  • Page 29: Trend Graph

    Home Button Press the (Home) button to return to the main screen. Trend Graph This feature allows the user to view a graph that displays the Temperature and Humidity control line over a period of time. This enables user to view the chamber’s most recent performance.

  • Page 30: Adjusting Fresh Air Ports (Port305)

    Adjusting the Fresh Air Ports (PORT305) Model 7350 comes standard with these fresh air ports. The fresh air ports will allow up to 15 air exchanges per hour when fully opened. The fresh air port inlet is located at the top of the chamber, and the exhaust air port is located near the bottom of the chamber.

  • Page 31: Optional Accessory Operation

    ACCESSORY OPERATION HUMD311-4,-4 Humidity System The HUMD311 Humidity option has controlled humidity injection. Typically dehumidification is done by utilizing a wet coil (dehum coil) that is part of the refrigeration system. Dehumidification is done by utilizing an air pump. The pump injects fresh air into the chamber, displacing the humidified air.
  • Page 32 LED Lighting (LGHT324, LGHT340, LGHT341, LGHT342) White LED lights are standard on models 7350-25 and 7350-33, but are optional on models 7340-25, 7340-33. Colored LED lights are optional for both models. Lights are controlled through the Light Cycle menu. Model 7350...
  • Page 33 Operation of the Day/Night Setpoints The system is used to simulate day and night testing. This is a 24 hour cycle that can be programmed with separate temperature and humidity setpoints that correspond with the lights on (day) and lights off (night). The setpoints can also be made the same if continuous conditions are needed throughout the light cycles.
  • Page 34 Minute AM or PM Hour Lights On Start Time Lights Off End Time The Timer Setup screen allows users to setup lights “on” start time and lights “off” end time. The Continuous Light button can also be used when the light cycle is setup for the light timer, this feature will disable any programmed Lights Start Time and Lights Stop Time.
  • Page 35 Continuous Light Continuous Light (button) lets the light banks be on all of the time. When this feature is enabled, the features of the time based light cycle are disabled. Setting the Light Cycle Timer Lights On/Off Status Light Cycle Menu Screen shown with optional HUMD307,LED lights To set the Light Cycle, press the...
  • Page 36 To set up the Light Timer press the (Timer Setup) button on the left side of the screen. Minutes Hour AM or PM Lights On Start Time Lights Off End Time Press the Lights On Start Time hour button and the enter the hour that you want the lights to come on.
  • Page 37 Go back to the previous screen by pressing (Light Cycle) button. To activate the Light Cycle Timer press the Start / Stop Timer button. 7340_7350-25-33 Series Operations Manual Rev J 3-31-21 Page 37 of 92...
  • Page 38 Status of the Light Cycle The light cycle is programmed to automatically change lights, temperature and humidity (optional) over a 24 hour period. The Light Cycle Info screen is intended to provide a comprehensive visual illustration of the Light Cycle settings and current conditions.
  • Page 39 Current ‘Day’ start time time ‘Night’ set ‘Day’ set points points ‘Night’ start time When Light Cycle is active the Light Cycle Info icon appears in the Status Bar. Press this icon button and Light Cycle Info screen will appear displaying information about the Light Cycle and if it is near completion of the cycle.
  • Page 40 Operation of Front Mounted 6” Recorders (RCDR316, RCDR317) Built in 6” ink pen temperature and or humidity recorders can be purchased with CARON chambers. The recorders are shipped installed on the outer door of the chamber from the factory and require no installation.
  • Page 41 Re-attach the chart “hub” knob and fasten securely against the chart. Press and hold the “change chart” button (#3) again for approximately one second until the pen begins to move back onto the chart and then release the button. Check to make sure that the pen is marking on the chart paper.
  • Page 42 Pen Arm Calibration: To check and/or adjust the recording pen(s) calibration to the outer most temperature graduation of the chart, press and hold the "change chart" button (#3) until the pen begins to move off of the chart. Once the pen(s) has moved off of the chart, again press and hold the "change chart"...
  • Page 43 Battery Backup: The green LED light remains a constant green color indicating that both the battery and the main power to the unit are good. Refer to Figure 5 for the location of the green LED indicating light. If the AC power were to fail or the battery becomes weak, then the green LED light will begin "flashing"...
  • Page 44 Operation of Front Mounted 10” Recorders (RCDR318, RCDR319) Built in 10” thermal pen recorders can be purchased with CARON chambers. The recorders are shipped installed on the outer door of the chamber from the factory and require no further installation. Unlike ink pen recorders, the thermal recorders draw their own chart and control lines.
  • Page 45 The thermal pen arm will move off of the chart allowing you to place the recording chart paper onto the recorder. Press and release the Change Chart button to begin recording. Changing the Chart Paper: Press and hold the Change Chart button (#3) for approximately one (1) second until the pen begins to move off scale and then release the button.
  • Page 46 Recorder Calibration: If calibration is required for single input recorders, use the Left (#1) and Right (#2) arrow buttons on the recorder to calibrate the temperature being recorded on the chart to correspond to the temperature of the solution. The arrow buttons must be held for approximately eight (8) seconds before the pen begins to move.

  • Page 47: Calibration

    CALIBRATION The temperature and optional humidity system can all be calibrated as necessary. CARON recommends an annual calibration check of each system. Before making a calibration adjustment, allow the cabinet to stabilize a minimum of 12 hours from a power off condition.
  • Page 48 Calibrate Button Press the (Calibrate) button. Temperature Humidity Calibrate Button Calibrate Button Calibration screen appears. If optional features such as Controlled Humidity are purchased, a calibration button will also appear for that option. 7340_7350-25-33 Series Operations Manual Rev J 3-31-21 Page 48 of 92...
  • Page 49 Calibrating Temperature If temperature calibration 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. Temperature Calibrate Button At the calibrate screen, press the...

  • Page 50: Calibrating The Humidity

    Calibrating Humidity If humidity calibration is needed, the following steps can be taken: Locate the reference instrument’s humidity sensor in close proximity to the cabinet’s geometric center. Be sure that the stabilization times described earlier have been satisfied prior to performing this calibration. A positive value will move the humidity ‘up’...

  • Page 51: Alarms

    ALARMS Alarm System Overview The chamber control system is equipped with an alarm system that constantly monitors temperature, and humidity (on humidified models) to ensure the user is notified if the cabinet goes into an alarm condition. Notification occurs via an alarm pop-up window and a buzzer.
  • Page 52 Alarm Screen Alarm condition icon Alarm condition Snooze Button Close Window Audible Alarm Snooze Function: When in an alarm condition, the Audible Alarm can be temporarily silenced to avoid being a nuisance to those nearby. The Audible Alarm will repeat after 1 hour has passed, if the condition has not been corrected.
  • Page 53 After the 60 minutes time has passed for an alarm condition, the counter will reset itself to 60 minutes and repeat the countdown process again until the alarm has been resolved. Audible Alarm Mute: By factory default, when an alarm condition is present, the speaker will sound. This speaker can be muted in an ‘on/off’...
  • Page 54 Press the (Speaker Mute) button. Speaker Mute Speaker Mute icon button “On”, indicator The Speaker Mute button toggles to the “on” position ,and the speaker icon changes to “ Speaker Muted” icon. 7340_7350-25-33 Series Operations Manual Rev J 3-31-21 Page 54 of 92...

  • Page 55: Changing Alarm Setpoints And Delay

    Changing Alarm Setpoints and Delay All alarm setpoints were pre-set at the factory to minimize nuisance alarms that could be created as a result of door openings. Alarm setpoints can be changed based on individual user requirements. Alarm values are deviations from the setpoint and are not actual setpoint values.
  • Page 56 Alarm Delay Press the (Temp Alarm) button. Temperature Alarm High Limit Temperature Alarm Low Limit Once the alarm screen appears, press the (Temp High Limit) button. Keypad screen will appear. Enter the High Temp Alarm value; press (Enter) when complete. To change the Humidity Alarm, press the (Alarms) button on the navigation menu to go back to the Alarms screen.

  • Page 57: Alerts

    ALERTS Alert System Overview The chamber control system is equipped with an Alert system that constantly monitors features of the chamber and notify the user if the cabinet needs any type of service to ensure good running performance of the chamber. Alerts draw user attention to regular maintenance needs, and minimize the risk of a future alarm condition.
  • Page 58 Press (Close Window) button to make the pop up window disappear. Resetting Maintenance Alerts Maintenance Menu Screen lets users check to see how much time is remaining on an item that may need routine service or calibration. This is very convenient to inform the user that a particular item will need to have service performed soon.
  • Page 59 Reset button Maintenance items Time left until service is required Once a Maintenance item is displayed on the Alert screen, it will continue to be present as an icon in the Status Bar until the Maintenance item is corrected and the (Reset) button is pressed resetting the replacement time to “new”...

  • Page 60: Info

    INFO Info System Overview The chamber control system is equipped with an Information system that constantly monitors the chamber and to notify the user when an automatic condition is occurring. This applies to conditions such as Defrost, DLOG301 or others that cannot be switched on and off by the user but is controlled automatically by the software of the control system.

  • Page 61: Advanced Features

    ADVANCED FEATURES Setting the Time & Day The chamber has an internal real-time clock that keeps track of the day and time. It is set at the factory to Eastern Standard Time and may need to be adjusted for your time zone.
  • Page 62 Press the (Day / Time) button. Hour Button AM / PM Button Minute Button Day of the Week Button Press the (Hour) button. The Enter New Time in Hours window will appear. Enter the hour by using the keypad and pressing (Enter) when complete.

  • Page 63: Door Heat

    Door Heat Some Caron units are equipped with an integral door heater to keep internal condensation off of the glass viewing area (not available on 7350). This is only for units with humidity control. In extreme ambient or running conditions, the factory default settings may need adjusted to maintain a clear viewing area.

  • Page 64: Humidity Control

    In Manual mode, the door heater is a fixed output value regardless of temperature set point. This setting should only be used in units that have active cooling with temperature set points well above the low-end range. Warning: in manual mode, the temperature set point may not be maintained. Humidity Control (models with controlled humidity) This feature allows the Humidity to be controlled by a setpoint determined by the user, which will be displayed on the home screen.
  • Page 65 Humidity Control disabled icon Humidity Control disabled indicator When the humidity control is disabled the toggle button indicator is off and the humidity control icon in the status bar has a red circle around it. Humidity Control enabled icon Humidity Control enabled indicator When the humidity control is enabled the toggle button indicator is on and the humidity control icon in the status bar has the red circle removed.

  • Page 66: Locking The Controls

    Locking the Controls To prevent unauthorized and accidental changes, the touchscreen can be locked-out. The passcode is required to lock-out the controls and the same passcode is used to unlock it. The factory default passcode is ‘1234’. This passcode can be changed by the user to create a unique 4-digit passcode.
  • Page 67 Press the (Lock Keypad) button. The Enter the Current Passcode keypad screen will appear. Enter digits “1 2 3 4”; press (Enter) when complete. The screen will change back to the Home Screen and the Control Lock icon will change to the “locked” position. 7340_7350-25-33 Series Operations Manual Rev J 3-31-21...
  • Page 68 Control Lock Icon “locked” When any button is pressed on the home screen the following pop-up window will appear. If the button is pressed, the screen will change back to the Home Screen. To unlock the touchscreen, From the previous Alert “Keypad is Locked” pop up screen, press the (Unlock) button.
  • Page 69 Enter the digits “1 2 3 4”; press (Enter) when complete. The Control Lock Icon will change back to the “unlocked” position. Control Lock Icon “unlocked” 7340_7350-25-33 Series Operations Manual Rev J 3-31-21 Page 69 of 92...

  • Page 70: Changing The Passcode

    Changing the passcode To prevent unauthorized and accidental changes being made to the chamber, the touchscreen can be locked-out. The passcode is required to lock-out the controls and the same passcode is used to unlock it. The factory default passcode is ‘1234’. This passcode can be changed by the user to create a unique 4-digit passcode.
  • Page 71 Press the (Change Passcode) button. The Enter Current Passcode keypad screen will appear. Enter digits “1 2 3 4”; press (Enter) when complete. 7340_7350-25-33 Series Operations Manual Rev J 3-31-21 Page 71 of 92...
  • Page 72 The Enter New Passcode keypad screen will appear. Enter any new four-digit passcode (example: “2 5 8 0”). Then press (Enter) when complete. The Lockout screen will tell you that the Passcode has been changed to a new value. This is only time that the Passcode will be displayed on the Lockout screen. 7340_7350-25-33 Series Operations Manual Rev J 3-31-21...

  • Page 73: Factory Menu & Troubleshooting

    Factory menu & troubleshooting The chamber control system is equipped with advanced diagnostics features which allow the user to manually turn ‘on’ & ‘off’ each electronically controlled system. The factory menu can be used to  View the current chamber configuration ...
  • Page 74 From the factory menu, four items can be selected. Press the (Model Details) button to view the chamber’s configuration Model Software Number revisions System Functions & Options From the Factory screen, press the (Output Percent) button to view the current percent output level of each control parameter. 7340_7350-25-33 Series Operations Manual Rev J 3-31-21...
  • Page 75 Output 1 & 2 Buttons Navigating to the Output 1 or Output 2 screens in the factory page will temporarily halt chamber control & functionality. To individually and manual control each output variable, from the factory screen press (Output 1) button. Note: Based on the chamber model number and options, not all functions will be present.
  • Page 76 Press the (Output 2) button for other parameter buttons. Chamber control & functionality is restored as soon as the screen is exited (Home, Settings, or Factory buttons) .When finished with diagnosis in Output 1 or Output 2 screen, press the (Factory) button to return to that screen.

  • Page 77: Preventative Maintenance

     Check to ensure the drain in the bottom of the unit is draining properly.  Check front air intake filter. If the filter is dirty replace it with Caron Preventative Maintenance PM Kit. Washing the filter will result in poor performance.
  • Page 78 Here is a list of PM Kits that are available for models and accessories covered in this manual. Accessory PM Kit Model PM Kit FLTR301 PM-FLTR301 7340-25 PM-7340-25 HUMD311 PM-HUMD311 7340-33 PM-7340-33 LGHT602 PM-LGHT602 7350-25 PM-7350-25 RCDR316 PM-RCDR316 7350-33 PM-7350-33...

  • Page 79: Specifications

    SPECIFICATIONS MODEL 7340-25 7350-25 7340-33 7350-33 Temperature Range Amb +10°C to 40°C Temperature Control ± 0.1°C Temperature Uniformity ± 0.3°C @20°C Temperature Sensor 3-wire RTD Lights LED White LED White Electrostatic Electrostatic Evaporator coil Standard Coil Standard Coil Coated Coil...

  • Page 80: Electrical Schematics

    ELECTRICAL SCHEMATICS 7340_7350-25-33 Series Operations Manual Rev J 3-31-21 Page 80 of 92...
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  • Page 89: Troubleshooting

    TROUBLESHOOTING Problem -- Unit will not turn on  Is the unit connected to a dedicated electrical circuit as defined in the installation section of the manual?  Is there power at the electric outlet the unit is plugged into? ...

  • Page 90: Spare Replacement Parts

    Any area of the unit that requires a tool to access shall only be serviced by trained personnel approved by Caron Products. R290 REFRIGERANT UNITS Do not damage the refrigeration circuit. Component parts shall be replaced with like components and servicing shall be done by authorized personnel to reduce the risk of possible ignition.
  • Page 91 Part Number Description FIT-394 3/8 Barb Fitting (2X) HUM-110 RH Sensor PMP-150 24VDC RH Pressure Pump NOZ-110 Precision RH Spray Nozzle SOL-135 Humidification Solenoid PMP-157 Air Pump,115V PMP-160 Air Pump,220V TUB-183 Drain Tubing, Black, 3/8”ID x 1/2” OD TUB-132 Water Supply Tubing, Black, 1/4” Fuse Related NOTE: All fuses are slow blow Description...

  • Page 92: Appendix A - Declaration Of Conformity

    DECLARATION OF CONFORMITY Caron Products and Services, Inc. 27640 State Route 7 Marietta, OH 45750 USA Declares that the product: Designation: 7340, 7350 Series Model Numbers: 7340-25, 7340-33-3, 7350-25, 7350-33-3 Classification: Electrical equipment intended for residential, commercial and lighting industrial environments...

This manual is also suitable for:

7340-337350-257350-33

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