Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for NuAire BLIZZARD NU-99729VFT
Summary of Contents for NuAire BLIZZARD NU-99729VFT
- Page 1 NUAIRE BLIZZARD ULTRA LOW TEMPERATURE VARIABLE FREQUENCY TOUCHSCREEN FREEZER NU-99729VFT & M PERATION AINTENANCE ANUAL OM0299 Series A Revision 1 December 2020 NuAire, Inc. 2100 Fernbrook Lane Plymouth, MN 55447 Toll-Free: 1-800-328-3352 Minnesota: (763) 553-1270 Fax: (763) 553-0459...
-
Page 2: Table Of Contents
Table of Contents Packing List ..........................3 Precautions for Safe Operation..................... 3 Safety Labels and Precautions......................3 Precautions for Safe Operation ......................4 Product Features.......................... 7 Usage Precautions ........................8 Product Installation........................10 Installation Environment ........................10 Installation Site ..........................10 Preparation Before Use ........................ -
Page 3: Packing List
User manual/Spacer Installation Methods Plastic bag Ice scraper Spacer 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. Safety Labels and Precautions Combustible Watch Your... -
Page 4: Precautions For Safe Operation
Precautions for Safe Operation When the CO2/LN2 backup system is activated, the installation place must be well ventilated. Increased CO2 in the air may be harmful and even fatal. If the ventilation is poor, other methods should be considered to ensure safe working environments. - Page 5 When repairing and maintaining your freezer, take precautions not to inhale any chemicals or aerosols floating inside and outside the unit. This may be harmful to your health. If poisonous, radioactive, or other harmful materials need to be stored in the unit, the equipment should be located in a safe zone.
- Page 6 Keep ventilation openings, in the appliance enclosure or in the built-in structure, clear of obstructions. Do not use mechanical devices or other means to accelerate the defrosting process. Do not damage the refrigerant circuit. Unauthorized opening of the top cover of the control cabinet is prohibited to prevent damage to the inside components or injury to the operator.
-
Page 7: Product Features
NOTE: Not all models have all features mentioned above. For specific features, please refer to the specification table of each specific model. Due to the product improvement, the Nuaire ULT Freezer you get may not be completely consistent with the illustration in the manual. The contents of this manual are subject to changes without notice. -
Page 8: Usage Precautions
4.0 Usage Precautions • While the unit is operating, the door frame will become slightly warm. The embedded hot gas halo tube provides latent heat to prevent condensation to from on the door frame. Before samples are loaded into a freezer, make sure the unit has reached the set temperature. Samples should •... - Page 9 FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate this equipment. • RF exposure warning This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment must be installed and operated in accordance with provided instructions and the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be collocated or operating in conjunction with any other antenna or transmitter.
-
Page 10: Product Installation
5.0 Product Installation Installation Environment • Ambient temperature: 10°C to 32°C. The ideal temperature is 18°C to 25°C. If necessary, use an air- conditioning system to achieve the requires ambient condition. • Environment humidity: less than 57% RH. Installation area should be clean and free from large amounts of dust. •... -
Page 11: Preparation Before Use
1. Remove packing material and straps. 2. Check the supplied accessories • Check the items in the packing box according to the packing list. If anything does not match, contact Nuaire support immediately. 3. Placement • This freezer is for indoor and dry conditions only. -
Page 12: Initial Startup
Initial Startup When powering on the unit for the first time, follow the procedures below: While keeping the unit empty, plug in the power cord to dedicated power socket that meets all electrical requirements. Connect the freezer to the power supply, turn on the power switch located on the side of the freezer (as in the illustration on the right), and then turn on the battery switch. -
Page 13: Operation After A Power Outage
If the freezer temperature warms up, and the issue can’t be resolved within a short time, please transfer the • stored products to another freezer to avoid potential damage. • Before placing samples in the freezer for storage, check the freezer temperature to make sure the temperature meets the storage requirement for the samples. -
Page 14: Refrigerator Components
6.0 Freezer Components LCD Touchscreen Door Handle (With Lock) Component Access Panel Leveling Leg Caster Control Panel OM0299 /2020 ECEMBER... -
Page 15: Operation
7.0 Operation Homepage The Homepage can display the real-time internal temperature, ambient temperature, set point, input voltage, network state, user login status, freezer health status, temperature graph, and message/ note book, backup system state (optional), electromagnetic lock state (optional), etc. Icon of real-time internal temperature: The icon reflects the health status of the freezer by changing colors: Green: System is operating normally. -
Page 16: Settings
Backup system Indicates that the Backup System status: Green: Backup System is running. Grey: Backup System is off. Settings • [Temperature] Set the internal temperature and high- / low- temperature alarm value. Select the internal temperature value or high-/ low- temperature alarm value to be set, and then use the button of “+”/ “-” for adjustment (You can also pop up a value selection box by clicking the value and selecting the value by scrolling the selection box up and down). - Page 17 If the low temperature alarm value is lower than or equal to the temperature value inside the freezer for more than 5℃, the low temperature alarm value will not change. [High temperature alarm]: Use to set the alarm value of high temperature alarm inside the freezer, with the adjustable range of 0℃ ~-81℃, which needs to be more than or equal to the internal temperature value plus 5℃.
- Page 18 • [Operation] Tap to set the alarm volume, screen brightness, screen auto-lock, auto-logout time, operational mode, account login mode, time delay to alarm, default display range of graph, time delay to start, ambient temperature alarm, time to door opening alarm, update and reboot. [Alarm Volume]: Adjust the slider to decrease (to the left) or increase (to the right) the volume of the alarm.
- Page 19 [Backup System]: Tap to turn the backup system ON/OFF (optional), click "On"; and then click "Off" after the completion of use. [Backup System Type]: Liquid Nitrogen (LN2) or Liquid Carbon Dioxide (LCO2) [Set Injection Temperature]: Liquid nitrogen (LN2), the default temperature is -70℃, with the adjustable range of 0 ~-100 ℃. Set the temperature when the backup system starting spraying: Carbon dioxide (LCO2), the default temperature is -70 ℃, with the adjustable range of 0 ~-70℃.
- Page 20 [Network] • Tap to set the network 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 OM0299 /2020...
- Page 21 [User] • Tap to add, edit, delete user accounts, and set user account permissions. [Add User Accounts]: [Account]: Create an account name. [Password]: Create a password for the account. [Confirm Password]: Enter password again to confirm. [Account Type]: User: Normal users can only view, query and save the freezer's information, as well as use message and notebook functions, but cannot change the freezer settings.
- Page 22 When the electromagnetic lock is not used, the registered fingerprint can be used for account login on the login interface under the authorization mode. [Register Card] (Optional): When using a card-punching lock, click [Register Card] to prompt the card registration, and then complete the registration of IC card on the freezer.
-
Page 23: Graph
Graph View the graph of temperature inside the freezer, and it can be used to select the graph within the selected time period and then download the temperature record. In addition, the graph that exceeds the alarm value of high- and low- temperature will be shown in red. -
Page 24: Inquiry
Inquiry This page has six query buttons: Event Record, Power and Battery, Alarm Record, Operating Status, Backup System and Device Information. [Event Record]: • Tap to query the records of Door Opening/Closing, Setting & Modification, Data 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. - Page 25 • [Alarm Record]: Tap to query the All alarms, or check individual alarms: Logins, Door Alarm, Power Alarm, Battery Alarm, Sensor Alarm, Temperature Alarm, Condenser Alarm, and Backup Alarm. [Inquiry]: Input both the starting time and the ending time, and then tap [Inquiry] to view the corresponding records in the desired interval.
- Page 26 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.
- Page 27 [Injection History]: Displays the accumulated injection time since the last start-up. [Inquiry]: Input both 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]: •...
- Page 28 [Setup File]: Tap [Download] to download the set parameters 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 a configuration file.
-
Page 29: Message
Message [New Message]: Create a message 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. - Page 30 Tap [Sent 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. OM0299 /2020 ECEMBER...
-
Page 31: Alarm
Alarm Alarm Type Tricolor lamp panel Buzzer Prompt box pops up? High-low temperature alarm Power-off alarm Door opening alarm Main temperature sensor fault alarm Yellow Heat exchanger fault alarm Yellow Condenser dirty alarm Yellow High ambient temperature alarm Yellow Battery fault alarm Yellow Backup system fault alarm Yellow... -
Page 32: Cleaning The Freezer
Cleaning the Freezer • Clean the unit at least once a month. • Use a dry cloth to wipe away loose dust inside and outside of the freezer. If the unit is dirty, use a clean cloth soaked with a neutral detergent to clean the unit. Then use a dry cloth to wipe away any residual detergent solution. -
Page 33: Battery Maintenance
5 years (Lead-acid battery is 2-3 years). If the battery is more than 5 years old (Lead-acid battery 2- 3 years), the battery should be replaced because the alarm function may not work properly. Contact Nuaire for assistance. -
Page 34: Optional Accessories
When using the temperature recorder, please refer to the “User manual for Temperature Recorder” provided with the recorder. The temperature recorder should only be installed by professionals or Nuaire approved Service Provider. Before installing the temperature recorder, please cut off the power supply to avoid electric shock or fire. -
Page 35: Electromagnetic Lock
The temperature of liquid CO2 /LN2 is extremely low, which could cause frostbite. When replacing the • cylinder, please always wear a pair of protective glasses and protective clothes. • This kind of backup cooling system should be used with the LCD panel. Electromagnetic Lock The electromagnetic lock can effectively enhance the safety of specimen access inside the freezer, which is convenient for use. -
Page 36: Frozen Storage Racks And Storage Boxes
Frozen Storage Racks 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. Storage Rack (Type A/B are available) Storage Box Model Variety Amount... -
Page 37: Troubleshooting
10.0 Troubleshooting Should there be any malfunctions in the system, please attempt to answer the following questions before notifying maintenance or calling Nuaire. Please do not dismantle the freezer yourself. Fault Troubleshooting Is the power supply normal? Has the main protector been turned on yet? -
Page 38: Refrigeration And Wiring Diagram
11.0 Refrigeration and Wiring Diagram 11.1 Refrigeration Diagram OM0299 /2020 ECEMBER... -
Page 39: Wiring Diagram
11.2 Wiring Diagram OM0299 /2020 ECEMBER... -
Page 40: Specifications And Technical Data
12.0 Specifications and Technical Data 12.1 Specification Table Name Ultra-Low Temperature Freezer Model NU-99729VFT Exterior/Interior Wall Coated cold rolled steel Material Outer Doors Coated cold rolled steel Inner Doors Plastic framed PS board Shelves Stainless shelves (height adjustable) Porthole for Testing Insulation Vacuum insulated with polyurethane foam (non-CFC) Compressors... -
Page 41: Technical Data
12.2 Technical Data Rated Net Volume Rated Voltage Rated Dimensions (W×D×H) Model Power Weight (kg) (VAC) Frequency (Hz) Inches [mm] 41.2” x 38.9” x 78.0” NU-99729VFT 100-230~ 50/60 1100 [1046 × 998 × 1980] 12.3 Global Warming Potential Model Rated voltage (VAC) Rated frequency (Hz) CO2 equivalent (Tonnes) NU-99729VFT...
Need help?
Do you have a question about the BLIZZARD NU-99729VFT and is the answer not in the manual?
Questions and answers