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Related Manuals for Phcbi MDF-DU702VH
Summary of Contents for Phcbi MDF-DU702VH
- Page 1 Operating Instructions Ultra-Low Temperature Freezer MDF-DU702VH MDF-DU502VH MDF-DU702VH Please read the operating instructions carefully before using this product, and keep the operating instructions for future use. See page 58 for all model numbers.
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Page 2: Table Of Contents
CONTENTS INTRODUCTION ········································································· 3 PRECAUTIONS FOR SAFE OPERATION ········································· 4 SYMBOLS ON UNIT ····································································· 9 ENVIRONMENTAL CONDITIONS ··················································· 9 FREEZER COMPONENTS Main body ············································································ 10 LCD touch panel ··································································· 12 Remote alarm terminal ··························································· 14 Air intake port (Manual) ·························································· 14 INSTALLATION SITE ··································································... -
Page 3: Introduction
INTRODUCTION ■ Read the operating instructions carefully before using the product and follow the instructions for safe operation. ■ PHC Corporation takes no responsibility for safety if the product is not used as intended or is used with any procedures other than those given in the operating instructions. ■... -
Page 4: Precautions For Safe Operation
PRECAUTIONS FOR SAFE OPERATION It is imperative that the user complies with the operating instructions as they contain important safety advice. Items and procedures are described so that you can use this unit correctly and safely. Following these precautions will prevent possible injury to the user and any other person. - Page 5 PRECAUTIONS FOR SAFE OPERATION WARNING Do not use the unit outdoors. Exposure to rain may cause leakage and/or electric shock. Only qualified engineers or service personnel should install the unit. Installation by unqualified personnel may cause electric shock or fire. Install the unit in a location capable of bearing the total combined weight (product + optional accessories + stored items).
- Page 6 PRECAUTIONS FOR SAFE OPERATION WARNING When handling harmful samples (for example, those which consist of toxic, pathogenic or radioactive substances), install the unit inside a designated isolation facility. If the unit is installed in a location which is not an isolation facility, there may be detrimental effects on both people and the natural environment.
- Page 7 PRECAUTIONS FOR SAFE OPERATION WARNING Disconnect the power supply plug before moving the unit. Take care not to damage the power supply cord. A damaged power supply cord may cause electric shock or fire. Disconnect the power supply cord when the unit is not in use for long periods. Keeping the unit connected may cause electric shock, leakage, or fire due to the deterioration of insulation.
- Page 8 PRECAUTIONS FOR SAFE OPERATION CAUTION Never install the unit in a location where corrosive materials such as sulphur compounds are likely to be generated (e.g. near a drainage facility). Corrosion of the copper pipes may result in the deterioration and consequently the failure of the cooling unit. This unit must be plugged into a dedicated circuit protected by branch circuit breaker.
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Page 9: Symbols On Unit
SYMBOLS ON UNIT The following symbols are attached to the unit. The table describes the meaning of the symbols. This symbol is attached to covers that access high-voltage electrical components to prevent electric shock. Only a qualified engineer or service personnel should be allowed to open these covers. -
Page 10: Freezer Components
FREEZER COMPONENTS Main body The model below is the MDF-DU702VH. However, the MDF-DU502VH is also equivalent structures. 20 (Inside the outer door) Outer door Door gasket 20 (inside) * When an optional backup cooling kit is installed. - Page 11 FREEZER COMPONENTS 1. Inner door latch: Always lock the inner door latch when the inner door is closed. 2. Inner door: This prevents cold air from escaping when the outer door is opened. Always be sure to close the inner door securely before closing the outer door. The inner door can be removed for cleaning or defrosting [page 51].
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Page 12: Lcd Touch Panel
FREEZER COMPONENTS LCD touch panel The following display (called the Top screen) will appear when the power switch is turned ON. Note: It takes approximately 20 seconds until Top screen is displayed. 1. Present temperature display field: The current chamber temperature is displayed. Note: An integer rounded off below a decimal point is displayed. - Page 13 FREEZER COMPONENTS 8. Message display field: The information of the operation monitor system, alarms or status are displayed when fault occurs [pages 46 -47]. 9. Message select key: When there are a number of alarms, status or information of the operation monitor system, the message on the screen is changeable.
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Page 14: Remote Alarm Terminal
FREEZER COMPONENTS Remote alarm terminal The alarm of this unit can be informed at a remote location from this unit by connecting the external alarm device to the remote alarm terminals. For the type and behavior of remote alarm output [pages 46 - 47]. The terminal of the remote alarm is installed at the right side of the unit (See the figure on the point). -
Page 15: Installation Site
INSTALLATION SITE This unit must be installed in a location which meets all the conditions described below. If the unit is installed in a location which does not meet the conditions, its specified performance may not be achieved or malfunctions and accidents may occur. ■... -
Page 16: Installation
INSTALLATION When installing the unit, follow the steps below to secure the unit properly, and also be absolutely sure to earth the unit. In addition, install an earth leakage circuit breaker (on the unit’s power supply side), which is mandatory under the applicable laws and regulations. - Page 17 INSTALLATION Preventing electric shock by earthing the unit When installing the unit, be absolutely sure to earth (ground) it. Earthing is necessary to prevent electric shock resulting from deterioration of electrical insulations This unit comes with a 3-pin plug having one earth pin. Earthing work is not required in the case of a 3-pin power outlet equipped with an earth contact.
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Page 18: Start-Up Procedure
START-UP PROCEDURE Follow this procedure for the initial operation of the unit and for consequent operations (after temporary stoppage for cleaning, maintenance or moving). After a power failure, the unit will restart operation automatically with the same settings as before the power failure. -
Page 19: During/After Power Failure
DURING/AFTER POWER FAILURE Operation during power failure When the battery switch for power failure is ON, during a power failure the behavior of this unit is as follows. ●The power failure alarm is activated [page 46]. Press Buzzer key to silence the buzzer of the power failure alarm. In case the ring back is turned ON, buzzer sounds again when a power failure still continues after ring back set time passed [page 30]. -
Page 20: Basic Operation On Lcd Touch Panel
BASIC OPERATION ON LCD TOUCH PANEL ♦ Message select key: (Operate) Changing some messages ♦ Buzzer key: (Operate) Silencing the buzzer (Alarm is not canceled except for some alarms; page 48) ●Operation from Menu key Page ■Menu screen ♦ → ■Temp. Setting screen (Setting) Temp., High Alarm, Low Alarm ♦... -
Page 21: Basic Parameters
BASIC PARAMETERS How to input numerical value and alphanumeric character On each screen in the LCD touch panel, it may be necessary to input numerical value or alphanumeric characters. ●When inputting numerical value Numeric input box By pressing numeric input box, numeric input window is displayed. - Page 22 BASIC PARAMETERS Alphanumeric input box ●When inputting alphanumeric characters By pressing alphanumeric input box, alphanumeric input window is displayed. Alphanumeric input window Press alphabetic key and numeric key to input alphanumeric characters, and press OK key. ●Key description • Alphabetic key (A~Z, Space): Input alphabetic characters or spaces. •...
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Page 23: Setting Temperature, High Alarm And Low Alarm
BASIC PARAMETERS Setting Temperature, High Alarm and Low Alarm Set the Temperature, High Alarm and Low Alarm for normal operation according to the following procedure. The unit automatically starts operation using these settings after power-on. Press Menu key to lead the Menu screen. Press Set key to lead the Temp. -
Page 24: Setting Operation Control Mode
BASIC PARAMETERS * The current chamber temperature is the value rounded off below a decimal point, so the High/Low Alarm may be activated when the value of the current chamber temperature is equal to the High/Low Alarm set temperature. On the Menu screen, press Back key to return to the Top screen. Setting operation control mode Press Menu key to lead the Menu screen. -
Page 25: Setting Key Lock
BASIC PARAMETERS Input each parameter. Press Apply key to save the input value and setup. The display returns to the Tools screen. ●Each setting • Compressor Delay: The time from turning ON this unit until starting its compressor. This unit is required a large electric power at the moment its compressor starts. - Page 26 BASIC PARAMETERS On the Key Lock screen, it is possible to set each setting of key lock. • Key Lock: By holding Key Lock slide key and sliding it to the right, Key Lock turns to ON. • Password #1: The number (Max. 6 digits) inputted here are registered the release password of Key Lock.
- Page 27 BASIC PARAMETERS On the Information screen, press OK key to return to the Menu screen. On the Menu screen, press Back key to return to the Top screen. Note: Manage the release password of Key Lock properly. ●Operation for Keylock-ON •...
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Page 28: Removing Key Lock
BASIC PARAMETERS Removing key lock By pressing Menu key, the Password input window is displayed. On Password input box, input the set release password (#1 or #2) of Key Lock, and press OK key to lead the Menu screen. Press Key Lock key to lead the Key Lock screen. -
Page 29: Alarm Parameters
ALARM PARAMETERS Press Menu key to lead the Menu screen. Press Tools key to lead the Tools screen. Press Alarm Setting key to lead the Alarm Setting screen. - Page 30 ALARM PARAMETERS On the Alarm Setting screen, it is possible to set each setting. Press Apply key to save the input value and setup. The display returns to the Tools screen. ●Each setting • Alarm Delay: The function is that when the unit is in the alarm state of High Alarm or Low Alarm, the alarm buzzer will sound after the alarm delay set time passed.
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Page 31: Operation/Alarm Log
OPERATION/ALARM LOG Setting log interval The unit is equipped with a function of saving operation log data (chamber temperature and open/close state of door). Note: When the battery switch for power failure alarm is ON, operation log is saved during a power failure. -
Page 32: Displaying Operation Log
OPERATION/ALARM LOG On the Setting screen, input Log Interval. Press Apply key to save the input value. The display returns to the Log screen. Settable range: 2 minutes~30 minutes. Factory setting: 6 minutes. Note: Only an even number can be inputted. When inputting an odd number and when pressing OK key in the numeric input window, it changes to an even number which is 1 smaller than that. - Page 33 OPERATION/ALARM LOG Press Chart key to lead the Chart screen. On the Chart screen, input the date (year / month / day) of the operation log you want to display graphically. On the Chart screen, by pressing Show key after pressing the item you want to display graphically, the graph of each operation log is displayed.
- Page 34 OPERATION/ALARM LOG To Actual Temp. log Door Opening log graph is displayed. • Press Back key to return to the Chart screen. To previous day To next day • Press Top key to return to the Top screen. ●On the Chart screen of procedure 6 or 7 log data can be exported in CSV format to the USB memory inserted into the USB port.
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Page 35: Exporting Operation Log
OPERATION/ALARM LOG Exporting operation log Operation log data saved in the freezer can be exported in CSV format to the USB memory inserted into the USB port. Insert the USB memory into the USB port. Note: It is not possible to use a USB memory with security functions that requires entering password. Press Menu key to lead the Menu screen. - Page 36 OPERATION/ALARM LOG On the Export screen, select the time period you want to export. • To export the saved operation log data over the entire period, press All radio button. • To export the operation log data of a specified date, press 1 Day radio button and input the date (year / month / day) of the operation log data you want to export.
- Page 37 If the file name is duplicated, A sequential number such as "-1" is added to the end of the file name to be output later. • On the beginning of the exported file, product name (“MDF-DU502VH” or “MDF-DU702VH”) is written. However when the Unique ID is registered [page 32], product name and Unique ID (8-digit) are written.
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Page 38: Displaying Alarm Log
OPERATION/ALARM LOG Displaying alarm log The unit is equipped with a function of saving alarm log data (Max. 256 logs). Note: • When saving alarm logs more than 257, the oldest alarm log is deleted, and then overwritten. • When the battery switch for power failure alarm is ON, operation log is saved during a power failure. Alarm log saved in the freezer can be displayed graphically on the LCD touch panel. - Page 39 OPERATION/ALARM LOG On the Alarm screen, the newest 7 days’ alarm logs (containing that day) are displayed. Note: When the number of applicable alarm log is 6 or more, by pressing the top (▲) or the bottom (▼) log, the log table currently displayed scrolls and hidden alarm logs can be seen.
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Page 40: Exporting Alarm Log
OPERATION/ALARM LOG Exporting alarm log It is possible to export saved alarm log data to a USB memory inserted in the USB port by CSV format. Insert a USB memory in the USB port. Note: It is not possible to use a USB memory with security functions that requires entering password. Press Menu key to lead the Menu screen. - Page 41 OPERATION/ALARM LOG On the Alarm Export screen, select the period to export. • To export the saved alarm log data over the entire period, press All radio button. • To export the alarm log data for the specified days (The newest period containing that day), press Last XX Days radio button and input days.
- Page 42 OPERATION/ALARM LOG Even after completion the export of alarm log data, Information dialog box is displayed. Press OK key. Note: After completing the export of alarm log data, alarm log data saved at unit is not deleted. Remove a USB memory from the USB port. Note: A log folder is created in a USB memory, and an exported data file is saved in the log folder by CSV format.
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Page 43: Other Parameters
OTHER PARAMETERS Setting date and time Press Menu key to lead the Menu screen. Press Tools key to lead the Tools screen. Press Date & Time key to lead the Date & Time screen. On the Date & Time screen, input the present date and time. -
Page 44: Setting Brightness And Sleep
OTHER PARAMETERS Setting brightness and sleep Press Menu key to lead the Menu screen. Press Tools key to lead the Tools screen. Press Brightness/Sleep key to lead the Brightness/Sleep screen. On the Brightness/Sleep screen, each setting of brightness and sleep is available. Press Apply key to save the input value and setup. - Page 45 OTHER PARAMETERS ●Each setting • Brightness(Active): Brightness of LCD touch panel of the usual state. Adjust Brightness(Active) slide bar or input set value into the Brightness(Active) input box. Settable range: 50~100, factory setting: 80. • Sleep: The function is that the brightness of LCD touch panel is lowered to save electricity, when there is no key operation during set time.
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Page 46: Alarms And Self-Diagnosis
ALARMS AND SELF-DIAGNOSIS Warning The cooling performance is significantly reduced. The chamber temperature may get higher considerably. Take some precautions for the storage items immediately (transferring the storage items to another freezer or placing of dry ice wrapped in newspaper in the chamber) except when the cause is clear and the chamber temperature can be recovered soon. - Page 47 ALARMS AND SELF-DIAGNOSIS Status There is a possibility of failure other than the cooling performance. The chamber temperature is under control. The alarm may not be triggered in the case of any failure if this status continues Contact our sales representative or agent. LCD touch panel Remote Situation...
- Page 48 ALARMS AND SELF-DIAGNOSIS ●Table 2 3 show the behavior of the alarm (buzzer) and Ring Back function when pressing Buzzer key. Table 2 In the cases of other than the door alarm. Buzzer from unit Remote Alarm Ring Back Remote Alarm setting When pressing When the Ring Back When pressing...
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Page 49: Routine Maintenance
ROUTINE MAINTENANCE Cleaning the exterior, interior, and accessories Use a dry cloth to wipe down the outside and inside of the unit and all accessories. If the outside panels are dirty, clean them with a diluted neutral dish-washing detergent. Wipe off condensation from the exterior of the cabinet with a dry, soft cloth. Using an undiluted solution of detergent may cause the unit’s plastic areas to crack. -
Page 50: Cleaning Of Condenser Filter
ROUTINE MAINTENANCE Cleaning of condenser filter This unit is provided with the filter alarm indicator on the LCD touch panel. Clean the condenser filter when this indicator is lit. Clean the condenser filter once a month even if the filter alarm indicator is not on. -
Page 51: Defrosting Of Chamber
ROUTINE MAINTENANCE Defrosting of chamber Frost may accumulate near the top of the chamber, near the door in the chamber, or near the air intake port (Auto). Excessive accumulation of frost is likely to create gaps between the door and the door gasket, which can reduce the cooling performance. -
Page 52: Replacement Of Worn-Out Parts
REPLACEMENT OF WORN-OUT PARTS Replacing the battery for power failure alarm Replace the battery for power failure alarm about every 3 years. Contact our sales representative or agent for the replacement of battery when “S18: Exchange a Main Battery.” is displayed in the message display field. -
Page 53: Troubleshooting
TROUBLESHOOTING If the unit malfunctions, check out the following before calling for service. <Attention> If the malfunction is not resolved after checking the following items or if the malfunction is not shown in the table below, contact our sales representative or agent. Malfunction Check/Remedy Nothing operates even... -
Page 54: Disposal Of Unit
DISPOSAL OF UNIT Before disposing the unit with biohazardous danger, decontaminate the unit to the extent possible by the user. WARNING If the unit is to be stored unused in an unsupervised area for an extended period ensure that children do not have access and doors cannot be closed completely. -
Page 55: Optional Components
For MDF-DU502VH, small inner doors (MDF-5ID4 (4 doors), MDF-5ID5 (5 doors)) are available as an optional component. For MDF-DU702VH, small inner doors (MDF-7ID4 (4 doors), MDF-7ID5 (5 doors)) are available as an optional component. For the installation, contact our sales representative or agent. -
Page 56: Back-Up Cooling Kit
• Duration of backup cooling: MDF-DU502VH : Approx. 10 hours, MDF-DU702VH : Approx. 9 hours, (ambient temp.; 30 C, set temp.; -70 C, no load, liquid CO gas cylinder of 30 kg) -
Page 57: Specifications
SPECIFICATIONS Ultra-Low Temperature Freezer Ultra-Low Temperature Freezer Product name MDF-DU502VH MDF-DU702VH W790 mm x D882 mm x H1993 mm W1030 mm x D882 mm x H1993 mm External dimensions W630 mm x D600 mm x H1400 mm W870 mm x D600 mm x H1400 mm... -
Page 58: Performance
PERFORMANCE Ultra-Low Temperature Freezer Ultra-Low Temperature Freezer Product name MDF-DU502VH MDF-DU702VH MDF-DU502VH-PA MDF-DU702VH-PA Model number C at the center of the chamber (ambient temperature; 30 C, no load)* Cooling performance C to -50 Temperature settable range C to -50 C (ambient temperature; 30... -
Page 59: Safety Check Sheet
CAUTION Please fill in this form before servicing. Hand over this form to the service engineer to keep for his and your safety. Safety check sheet 1. Freezer contents : □ □ Risk of infection: □ □ Risk of toxicity: □... - Page 60 1-1-1 Sakada, Oizumi-machi, Ora-gun, Gunma 370-0596, Japan Printed in Japan LDCL046500-0 S0418-0 © PHC Corporation 2018...
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