NuAire BLIZZARD NU-99729VFT Скачать руководство пользователя | Manualshive

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OM0299

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/2020

For the operation state of compressors and condenser fans; “Green” indicates that it is running and “Grey”

indicates that it is not running.

[Temp. Recorder]:

The electronic temperature recorder is used to collect the temperature inside the freezer. Tap [Temp.

Recorder] to view the recorded internal temperature. Tap [Download] to download the temperature data

via USB.

•

[Backup System]:

Tap to view the Operating Status, Injection Status, Accumulated Injection Time, and Injection History. It

can set when connecting with backup system. If no backup system is present, the display will show in gray.

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Содержание BLIZZARD NU-99729VFT

Страница 1: ... 2020 NuAire Inc 2100 Fernbrook Lane Plymouth MN 55447 Toll Free 1 800 328 3352 Minnesota 763 553 1270 Fax 763 553 0459 NUAIRE BLIZZARD ULTRA LOW TEMPERATURE VARIABLE FREQUENCY TOUCHSCREEN FREEZER NU 99729VFT OPERATION MAINTENANCE MANUAL ...

Страница 2: ... Homepage 15 7 2 Settings 16 7 3 Graph 23 7 4 Inquiry 24 7 5 Message 29 7 6 Alarm 31 8 0 Cleaning Maintenance 31 8 1 Cleaning the Freezer 32 8 2 Cleaning the Condenser Filter 32 8 3 Defrosting 32 8 4 Battery Maintenance 33 8 5 Disposal of Freezer 33 8 6 Disposal of Battery 33 9 0 Optional Accessories 34 9 1 Temperature Recorder 34 9 2 LCO2 Backup Cooling System 34 9 4 Electromagnetic Lock 35 9 5 F...

Страница 3: ...ds 1 1 Plastic bag 1 Ice scraper 1 Key 4 Spacer 2 2 0 Precautions for Safe Operation Thank you for choosing a Nuaire Ultra Low Temperature ULT Freezer Please read this manual for safe operation of this product 2 1 Safety Labels and Precautions Warning Electric Shock Combustible Materials Low Temperatur Slippery Surface Watch Your Fingers and Hands ...

Страница 4: ...e ﬁre The power socket intended for your ULT usage must be grounded to avoid electric shock If the socket does not meet this requirement the condition must be corrected by a qualiﬁed technician before using the ULT unit Replacement of any spare parts should be performed by qualiﬁed technicians Never install your ULT in an unprotected area If the unit gets wet there is a danger of electric shock Yo...

Страница 5: ... Do not use electrical appliances inside the chamber of the appliance unless they are recommended by the manufacturer The appliance must be positioned so that the plug is accessible The power plug is used as the disconnecting device The appliance must be placed on a solid and ﬂat surface or excessive vibration and noise may be produced when the appliance in operation If the power cord is damaged i...

Страница 6: ... the top cover of the control cabinet is prohibited to prevent damage to the inside components or injury to the operator Turn the battery switch on before starting the unit do not arbitrarily turn it oﬀ When the ULT unit has been placed in a storage or not in use for a long time the battery should be tested for low capacity because the battery may have already fully discharged Should this occur tu...

Страница 7: ...ptimized multiple refrigeration technology with top brand frequency compressors oﬀering better refrigeration capability o Excellent temperature preservation layer providing optimal temperature preservation eﬀect o Exclusive sealing structure of multiple doors and hot tubing for condensation prevention can reduce the frost eﬀectively Ergonomic design o Touchscreen display to indicate freezer temper...

Страница 8: ... please use the supplied scrapper to remove the frost Before removing the frost temporarily transfer the stored samples to another freezer This is so that the temperature does not rise in the unit and damage the samples Behind the interior walls there are many refrigeration tubes Do not use a knife an ice pick or a screwdriver to cut ice and frost This may damage not only the liner but also the re...

Страница 9: ...nce de séparation d au moins 20 cm doit être maintenue entre l antenne de cet appareil ettoutes les personnes Contains FCC ID 2ASR8NFCV3 2ASR8SC3832 This device contains licence exempt transmitter s receiver s that comply with Innovation Science and Economic Development Canada s licence exempt RSS s Operation is subject to the following two conditions 1 This device may not cause interference 2 Thi...

Страница 10: ... out of the room if necessary This is to allow the unit to be repaired easily and timely to avoid damage to property The location for installation should be ﬂat and ﬁrm There should be good ventilation and no direct sunlight The freezer unit cannot share the same power socket with other equipment The power plug should be securely connected to the power socket The power cord for the freezer should ...

Страница 11: ...ise to extend them to level the unit 5 Acclimation Period After adjusting and cleaning the unit do not turn on the power The freezer needs to acclimate to its surroundings for at least 24 hours to ensure proper operation o Tohandle the freezer before unpacking forklift or package carrier may be used If the forklift is used it shall be inserted at the bottom of blocking from the front or back of th...

Страница 12: ...desire temperature Do not load the unit with any samples Power up the unit to let it run down to 60 C Let it run at 60 C for 8 hours then lower it to 80 C Observe the unit performance for 24 hours for normal cycling to ensure that it is working properly Once the unit is conﬁrmed to be operating properly it is ready to be loaded with samples In principle the freezer unit should be set at about 3 C ...

Страница 13: ...il the ﬁnal temperature is reached Do not use any unauthorized mechanical tools or other means to accelerate the defrosting process Do not damage the refrigeration circuit Do not use any unapproved electrical components in the freezer It is not recommended to load excessive amounts of samples into the unit at one time Overloading may result in inadequate performance The freezer and the compressors...

Страница 14: ...OM0299 PAGE 14 OF 41 REV 1 DECEMBER 2020 6 0 Freezer Components 6 1 Control Panel LCD Touchscreen Door Handle With Lock Component Access Panel Leveling Leg Caster ...

Страница 15: ...ure Example power failure alarm Homepage Symbols Tap to enter the sample management interface Tap to enter the graph viewing interface where temperature records can be downloaded Tap to enter the information search interface Tap to enter the freezer setting interface Indicates that the network is enabled Indicates that the electromagnetic lock has been installed and is in the locked state Optional...

Страница 16: ...y scrolling the selection box up and down Click Save to ﬁnish settings Set Point Use to set the required temperature inside the freezer with the adjustable range of 10 86 Low temperature alarm Use to set the alarm value of low temperature alarm inside the freezer with the adjustable range of 15 99 which needs to be lower than or equal to the internal temperature value minus 5 When the set value of...

Страница 17: ...ower than or equal to the temperature value inside the freezer for more than 5 the low temperature alarm value will not change Initial Tap to set the language date time Click any one value to pop up a selection box and then you can select more values by sliding the values in the selection box up and down When the setting is complete click Save and then you can see that the time in the upper middle...

Страница 18: ...r the screen sleep click anywhere on the LCD screen it will automatically wake up and enter the homepage Choose never after no operation within 5 mins the display will enter screensaver mode Auto Logout Time Tap to set how long the logged in account will automatically log out after having not carried out any operation to protect the account security with the default values of 5min Selectable optio...

Страница 19: ...he user can query its cumulative spraying time and then judge the usage conditions of the backup system through the diﬀerence between these two Injection Test When the temperature inside the freezer does not reach the set spraying temperature you can tap Injection test to simulate the spraying conditions to conﬁrm whether the spraying system can be normally used If the displayed temperature inside...

Страница 20: ...ork ON OFF After the network search is completed click the corresponding network and enter a password for login then connect to the network successfully A Wi Fi connections is recommended so that the touch screen can be remotely updated Network Name Connected Wi Fi name ...

Страница 21: ...hange the freezer settings Administrator Administrators have all the functions of a normal user and can change the settings Contact Enter contact information not required Register Fingerprint Optional When using a ﬁngerprint lock click Register ﬁngerprint to pop up the prompt ﬁngerprint registration and then complete the registration of ﬁngerprint on the freezer After that the user can open the do...

Страница 22: ...en complete the registration of IC card on the freezer After that the user can open the door by punching the card or log in the account in the authorization mode When unlocking the lock punch the card directly in the unlocking zone when logging in an account select Register Card on the login screen When the electromagnetic lock is not used the registered card can be used for account login on the l...

Страница 23: ...middle line is the line of the set temperature inside the freezer the upper lower lines are high low temperature alarm value respectively NOTE The graph can be scaled by sliding the screen Tap anywhere on the graph to view the temperature value at a ﬁxed point Inquiry Input both the starting time and the ending time and then tap Inquiry to view the temperature graph in the desired interval NOTE If...

Страница 24: ...ata Upload Download and Account Login Logout Inquiry Input both the starting time and the ending time and then tap Inquiry to view the corresponding records in the desired interval Download Input both the starting time and the ending time and then Download to download the corresponding records within this interval through USB Power and Battery Tap to view both the main battery and the backup syste...

Страница 25: ...iry to view the corresponding records in the desired interval Download Input both the starting time and the ending time and then Download to download the corresponding records within this interval through USB Operating Status Tap to query the freezer s real time Internal Temperature Set Temperature High Low Temperature Alarm Value Ambient Temperature Input Voltage Cumulative Operation Time The sta...

Страница 26: ...emperature recorder is used to collect the temperature inside the freezer Tap Temp Recorder to view the recorded internal temperature Tap Download to download the temperature data via USB Backup System Tap to view the Operating Status Injection Status Accumulated Injection Time and Injection History It can set when connecting with backup system If no backup system is present the display will show ...

Страница 27: ...the starting time and the ending time and then tap Inquiry to view the corresponding records in the desired interval Reset Injection Time Clear some or all injection history Device Information Tap to query and save the related information electronic manual of the freezer as well as upload download its conﬁguration ﬁle and database information ...

Страница 28: ...temperature data alarm records event records of this freezer to a USB disk in the established format via USB and then plug the USB disk that has saved the downloaded ﬁle to the USB interface of other freezers Tap Upload to upload this database to other freezers if desired Electronic Manual View the manual on the display screen o When exporting data to a USB ensure USB disk is type FAT32 o If the F...

Страница 29: ...e by tapping New message Select the users the message will be sent to enter a title in the title bar and enter the message content in the text box then tap Send Message Box Tap Inbox to view the messages that have been received When a message has been read the font will become gray ...

Страница 30: ...nt Box to view messages that have been sent Notebook Create new messages and view the records For previous records you can directly click them for modiﬁcation and saving in the pop up interface when clicking Delete you can delete one or all messages ...

Страница 31: ...alarm will be recovered automatically 30 minutes after ceasing Remote Alarm Terminal o The remote alarm terminal is installed on the right side of the freezer s engine cabin and the alarm signal will be output by this terminal The load capacity of the terminal is DC 30V 2A o Contact output The remote alarm terminal is divided into Normally open normally closed common terminal Users may select norm...

Страница 32: ...e below 1 Pull oﬀ the front grill cover 2 Pull out the ﬁlter screen 3 Use water to wash the ﬁlter screen 4 After the ﬁlter screen is dry reinstall it back in its original position and close the cover 5 If the Hot Condenser light is on before cleaning check the light to make sure that it shuts oﬀ after cleaning If it does not shut oﬀ please contact after sales service personnel 8 3 Defrosting Frost...

Страница 33: ...shed by appropriate personnel Remove doors to prevent accidental injury 8 6 Disposal of Battery This freezer is equipped with a rechargeable battery This battery is recyclable When the battery reaches the end of its life please contact a local recycling organization for inspection or properly discard the battery 1 Location of the battery The battery in the electric cabinet is for the power outage ...

Страница 34: ... cooling system please refer to the user s manual provided with the system For LCO2 back up system please make sure the LCO2 supply bottle has an internal liquid dip tube to make sure the liquid is fed to the backup system For LN2 backup system please use a LN2 Dewar of 35 to 50 psig Whenever a CO2 or LN2 backup system is installed the location of the freezer must be well ventilated Increased conc...

Страница 35: ...e swipe the card or punch the ﬁngerprint The unlocked locked state of electromagnetic lock is displayed on the touch screen If the freezer operates in normal mode any attached magnetic card can be used to open the door by swiping it in the card reading area of the display panel cover but the ﬁngerprint does not have the function If the freezer operates in authorized mode ﬁrst ensure that the magne...

Страница 36: ... and Storage Boxes When the freezer stores small sizes of materials the frozen storage rack and the frozen storage box can be used to utilize the space more eﬀectively Model Storage Rack Type A B are available Storage Box Variety Amount Amount NU 99729VFT 5 5 20 500 ...

Страница 37: ...ion eﬀect Is the ambient temperature too high Are the inner doors and outer doors closed properly Has any ice or frost damaged the seals between the door and the frame Is the condenser ﬁlter clogged Is the temperature setting correct Is the freezer being kept away from direct exposure to sunlight Is the freezer near any heat source Is the porthole plug installed in the porthole with proper insulat...

Страница 38: ...OM0299 PAGE 38 OF 41 REV 1 DECEMBER 2020 11 0 Refrigeration and Wiring Diagram 11 1 Refrigeration Diagram ...

Страница 39: ...OM0299 PAGE 39 OF 41 REV 1 DECEMBER 2020 11 2 Wiring Diagram ...

Страница 40: ...rmetically sealed Evaporator Copper tube Condenser Finned coil Refrigerant R170 R290 Temperature Controller Microprocessor controller Temperature Display LCD display Temperature Sensor RTD Pt100 Alarm Device High Low temperature alarm probe failure alarm Hot condenser alarm Ambient temperature alarm Low battery alarm Door ajar alarm Power failure alarm Battery of Remote Alarm Terminals Maximum loa...

Страница 41: ...99729VFT 729 100 230 50 60 1100 350 41 2 x 38 9 x 78 0 1046 998 1980 12 3 Global Warming Potential Model Rated voltage VAC Rated frequency Hz CO2 equivalent Tonnes NU 99729VFT 100 230 50 60 0 005 This product contains ﬂuorinated greenhouse gases covered by the Kyoto Protocol Do not vent into the atmosphere GWP global warming potential Refrigerant type GWP R170 20 R290 20 ...

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