Related Manuals for Phcbi MDF-DU901VH
Summary of Contents for Phcbi MDF-DU901VH
- Page 1 Operating Instructions Ultra-Low Temperature Freezer MDF-DU901VH Please read the operating instructions carefully before using this product, and keep the operating instructions for future use. See page 60 for model number.
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Page 2: Table Of Contents
CONTENTS INTRODUCTION ......................... 3 PRECAUTIONS FOR SAFE OPERATION ................. 4 SYMBOLS ON UNIT ......................9 SAFETY ENVIRONMENTAL CONDITIONS ............... 9 FREEZER COMPONENTS ....................10 Main body ........................10 LCD touch panel ......................12 Locking/unlocking the outer door ................. 13 Remote alarm terminals ....................14 Air intake port (Manual) .................... -
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 comply 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. This symbol indicates possibility of an electric shock. High-voltage electrical components are placed under the covers. Only a qualified engineer or service personnel should be allowed to open these covers. This symbol indicates that caution is required. -
Page 10: Freezer Components
FREEZER COMPONENTS Main body Outer door Door gasket ・ ＋ POWER When an optional backup cooling kit is installed. *1 :... - Page 11 FREEZER COMPONENTS 1. Inner door latch: When the inner door is closed, it should be locked by this latch. 2. Inner door: The operation of the inner door should be quick to minimize the temperature rise in the chamber. Lock the inner door latch completely when the inner door is closed. 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 When the power switch is turned ON, the following screen (called as Top screen) will appear. Note: It takes approximately 20 seconds until the Top screen is displayed. 1. Current temperature display field: The current chamber temperature is displayed. Note: Value rounded to the nearest integer is displayed. -
Page 13: Locking/Unlocking The Outer Door
FREEZER COMPONENTS 8 11 10 8. Message display field: The information of the operation monitor system, the alarm, or the status is displayed in the event of failure [pages 46 -47]. 9. Message select keys: When there are multiple messages concerning to the alarms, the status or the information of the operation monitor system, pressing these keys can switch to another message. -
Page 14: Remote Alarm Terminals
FREEZER COMPONENTS Remote alarm terminals The alarm condition of this unit can be transferred to a remote location by connecting an external alarm device to the remote alarm terminals. For the type and behavior of remote alarm output, refer to pages 46 - 47. -
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 the procedure below for the initial operation of the unit and for operations of the unit 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]. -
Page 19: During/After Power Failure
DURING/AFTER POWER FAILURE Operation during power failure When the battery switch for power failure alarm is ON, the unit behaves as follows during a power failure. ●The power failure alarm is activated [page 46]. Press the Buzzer key to silence the buzzer sound 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 elapsed [page 30]. -
Page 20: Basic Operation On Lcd Touch Panel
BASIC OPERATION ON LCD TOUCH PANEL ♦ Message select key: (Operation) Switches messages ♦ Buzzer key: (Operation) Stops the buzzer sound (Alarm is not canceled except for some alarms; page 48) ●Menu items on Menu screen ■Menu screen Page ♦ →... -
Page 21: Basic Parameters
BASIC PARAMETERS Entering numerical values and alphanumeric characters On each screen in the LCD touch panel, it is sometimes necessary to enter numerical values or alphanumeric characters. Numeric input box ●Entering numerical values: Touch the numeric input box to display the numeric input window. - Page 22 BASIC PARAMETERS Alphanumeric input box ●Entering alphanumeric characters: Touch the alphanumeric input box to display the alphanumeric input window. Press the alphabetic keys and numeric keys to enter alphanumeric characters, and press the OK Alphanumeric input window key. ●Details of keys in the alphanumeric input window •...
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Page 23: Setting Temperature, High Alarm And Low Alarm
BASIC PARAMETERS Setting Temperature, High Alarm and Low Alarm The chamber temperature, high temperature alarm, and low temperature alarm can be set by following the procedure below. The unit starts operation using these settings after power-on. Press the Menu key to display the Menu screen. Press the Set key to display the Temp. -
Page 24: Setting Compressor Delay Time
BASIC PARAMETERS * Since the displayed chamber temperature is the value rounded to the nearest integer, the High/Low Alarm may activate when the value of the displayed chamber temperature is equal to the set alarm temperature. On the Menu screen, press the Back key to return to the Top screen. Setting compressor delay time Press the Menu key to display the Menu screen. -
Page 25: Setting Key Lock
BASIC PARAMETERS Enter the parameter. Press the Apply key to save the input value and setting. The display returns to the Tools screen. ●Setting • Compressor Delay: The time from when this unit is turned ON until when the compressor starts up. This unit requires large amount of electric power at the instant of compressor start-up. - Page 26 BASIC PARAMETERS Configure the key lock setting on the Key Lock screen. • Key Lock: Hold the Key Lock slide key and slide it to the right to turn ON the key lock. • Password #1: Enter the number (Max. 6 digits) to release the Key Lock.
- Page 27 BASIC PARAMETERS On the Information screen, press the OK key to return to the Menu screen. On the Menu screen, press the Back key to return to the Top screen. Note: Manage the key lock release password properly. ●Operation when key lock is set to "ON" •...
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Page 28: Cancelling Key Lock Setting
BASIC PARAMETERS key lock setting Cancelling Press the Menu key to display the Password input window. On Password input box, enter the key lock release password (#1 or #2), and press the OK key to display the Menu screen. Press the Key Lock key to display the Key Lock screen. -
Page 29: Alarm Parameters
ALARM PARAMETERS Press the Menu key to display the Menu screen. Press the Tools key to display the Tools screen. Press the Alarm Setting key to display the Alarm Setting screen. - Page 30 ALARM PARAMETERS Configure each alarm setting on the Alarm Setting screen. Press the Apply key to save the values and settings. The display returns to the Tools screen. ●Each setting • Alarm Delay: Alarm delay is a function that when the High Alarm or Low Alarm state occurs, instead of sounding immediately, the alarm buzzer sounds after the elapse of the set alarm delay time.
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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 the door). Note: When the battery switch for power failure alarm is ON, operation log is saved even during a power failure. -
Page 32: Displaying Operation Log
OPERATION/ALARM LOG On the Setting screen, enter the value in the Log Interval box. Press the Apply key to save the value. The display returns to the Log screen. Settable range: 2 to 30 minutes. Factory setting: 6 minutes. Notes: •... - Page 33 OPERATION/ALARM LOG Press the Chart key to display the Chart screen. On the Chart screen, enter the date (year / month / day) of the operation log you want to display graphically. On the Chart screen, select the item to display graphically and then, press the Show key.
- Page 34 OPERATION/ALARM LOG Door Opening log graph is displayed. To previous day To next day • Press the Back key to return to the Chart screen. • Press the Top key to return to the Top screen. To Actual Temp. log ●On the Chart screen in step 6 or 7, log data can be exported in CSV format to a USB flash drive 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 a USB flash drive inserted into the USB port. Insert a USB flash drive into the USB port. Note: USB flash drives with capacity of 32 GB or less that employ the FAT16/FAT32 file system are supported. - Page 36 OPERATION/ALARM LOG On the Export screen, select the time period of the operation logs you want to export. • To export the saved operation log data over the entire period, press the All radio button. • To export the operation log data of a specified date, press 1 Day radio button and enter the date (year / month / day) of the operation log data you want to export.
- Page 37 • If you open the exported file, a product name (MDF-DU901VH) is shown at the beginning of the file. When an Unique ID is registered [page 32], the product name and the Unique ID (8-digit) are shown.
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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). Notes: • When saving alarm logs of more than 256, the oldest alarm logs are overwritten. • When the battery switch for power failure alarm is ON, operation log is saved even during a power failure. - Page 39 OPERATION/ALARM LOG On the Alarm screen, the last 7 days’ alarm logs (including current day) are displayed. Note: When the number of applicable alarm logs is 7 or more, you can scroll up or down the logs one by one by pressing the mark (▲) or (▼) on the top or bottom log to see the hidden alarm logs.
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Page 40: Exporting Alarm Log
OPERATION/ALARM LOG Exporting alarm log Alarm log data saved in the freezer can be exported in CSV format to a USB flash drive inserted in the USB port. Insert a USB flash drive in the USB port. Note: USB flash drives with capacity of 32 GB or less that employ the FAT16/FAT32 file system are supported. - Page 41 OPERATION/ALARM LOG On the Alarm Export screen, select the time period of the alarm logs you want to export. • To export the saved alarm log data over the entire period, press the All radio button. • To export the alarm log data for the specified days (the latest period including current day), press the Last XX Days radio button and enter the number of days.
- Page 42 OPERATION/ALARM LOG Note: When an export error occurs, any of the following notices will appear. USB flash drive is not inserted into the USB port. There is not enough free space in the USB flash drive. • • USB flash drive is not inserted properly. The USB flash drive is not formatted in FAT16 or •...
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Page 43: Other Parameters
OTHER PARAMETERS Setting date and time Press the Menu key to display the Menu screen. Press the Tools key to display the Tools screen. Press the Date & Time key to display the Date & Time screen. On the Date & Time screen, enter the current date and time. -
Page 44: Setting Brightness And Sleep
OTHER PARAMETERS Setting brightness and sleep Press the Menu key to display the Menu screen. Press the Tools key to display the Tools screen. Press the Brightness/Sleep key to display the Brightness/Sleep screen. On the Brightness/Sleep screen, configure each setting of brightness and sleep. Press the Apply key to save the values and apply the settings. - Page 45 OTHER PARAMETERS ●Each setting • Brightness (Active): Brightness of the LCD touch panel in normal state. You can set the value using the slide bar or entering the value directly into the input box. Settable range: 50 to 100, factory setting: 80. •...
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Page 46: Alarms And Self-Diagnosis
ALARMS AND SELF-DIAGNOSIS Warning The cooling performance has been significantly degraded. Thus, the chamber temperature may get considerably higher. Take some measures to protect the stored items immediately (e.g. transferring the stored items to another freezer or placing 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 controlled. If this status continues, the alarm may not activate in the case of any failure. Contact our sales representative or agent. LCD touch panel Remote Situation...
- Page 48 ALARMS AND SELF-DIAGNOSIS ●Table 2 and 3 show the behavior of the alarm (buzzer) and Ring Back function when the Buzzer key is pressed. Table 2 In the cases other than the door alarm and communication error Buzzer from unit Remote Alarm Ring Back Remote Alarm setting...
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Page 49: Routine Maintenance
ROUTINE MAINTENANCE Cleaning the exterior, interior, and accessories • Clean the unit once a month. Regular cleaning keeps the unit in good condition. • 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 (using an undiluted solution of detergent may cause the unit’s plastic areas to crack. -
Page 50: Cleaning The Condenser Filter
ROUTINE MAINTENANCE Cleaning the condenser filter Alarm indicator 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. A dusty condenser filter may cause shorter compressor life as well as the poor cooling. -
Page 51: Defrosting The Chamber
ROUTINE MAINTENANCE Defrosting the chamber Frost may accumulate at the upper part in the chamber, around the upper inner part of the inner door, or around the air intake port (Auto). Excessive accumulation of frost is likely to create gaps between the door and the door gasket, which can degrade the cooling performance. -
Page 52: Replacement Of Consumable Parts
REPLACEMENT OF CONSUMABLE 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 freezer does not seem to be working properly, check the following solutions before making a service call. <Attention> If the problem is not resolved by checking the following causes/solutions or if the problem is not shown in the table below, contact our sales representative or agent. - Page 54 TROUBLESHOOTING Cause/Solution Problem ■ Warm material has been put in the chamber. The chamber does not ■ There is a large amount of frost built in the chamber. get cold enough ■ The door is frequently opened. ■The chamber temperature has been set to lower than -86 °C. Although the temperature settable range is between -90 °C to -50 °C, the temperature control range that ensures the cooling performance of this freezer is between -86 °C to -50 °C.
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Page 55: 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 to the unit and the freezer doors cannot be closed completely. -
Page 56: Temperature Recorder
For the installation of temperature recorder MTR-G85C, the optional recorder sensor cover MTR-DU700SF is required. Small inner doors For MDF-DU901VH, small inner door (MDF-9ID) are available as an optional component. For the installation, contact our sales representative or agent. Notes: The cooling performance described on page 60 cannot be guaranteed when the small inner doors are... -
Page 57: Back-Up Cooling Kit
No injection Equal to or higher than the the backup test switch) injection start temperature. • Duration of backup cooling: MDF-DU901VH: Approx. 8 hours (ambient temp.; 30 °C, set temp.; -70 °C, no load, liquid CO gas cylinder of 30 kg) -
Page 58: Setting Of Shelf Stoppers When Using Inventory Racks
SETTING OF SHELF STOPPERS WHEN USING INVENTORY RACKS Optional inventory racks (IR-220U, IR-224U) are available for effectively storing frozen samples in the chamber. For using the inventory racks, make sure to set the shelf stoppers at the positions shown in the following figure. -
Page 59: Specifications
SPECIFICATIONS Ultra-Low Temperature Freezer Product name MDF-DU901VH W1,150 mm x D870 mm x H1,993 mm External dimensions W1,010 mm x D600 mm x H1,400 mm Internal dimensions 845 L Effective capacity Painted steel Exterior Painted steel Interior Painted steel Outer door... -
Page 60: Performance
PERFORMANCE Ultra-Low Temperature Freezer Product name MDF-DU901VH MDF-DU901VH-PK Model number Cooling performance -86 °C at the center of the chamber (ambient temperature; 30 °C, no load) -90 °C to -50 °C Temperature settable range -86 °C to -50 °C (ambient temperature; 30 °C, no load) -
Page 61: Safety Check Sheet
SAFETY CHECK SHEET Please fill out this form before servicing. CAUTION Hand over this form to the service engineer for their and your safety. Safety check sheet 1. Stored material □ □ □ Risk of infection: Maybe □ □ □ Risk of toxicity: Maybe □... - Page 62 MEMO...
- Page 63 MEMO...
- Page 64 1-1-1 Sakada, Oizumi-machi, Ora-gun, Gunma 370-0596, Japan Printed in Japan LDCL058207-1 J0721-10222 © PHC Corporation 2021...
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