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Summary of Contents for NuAire NU-99338JE
- Page 1 NuAire Ultra Low Temperature OM0278 Freezer User Manual Introduction Models: NU-99338JE NU-99486JE NU-99578JE NU-99728JE NU-99828JE NU-99420JE NU-99338JGA NU-99578JGA NU-99728JGA NU-99338JG NU-99578JG NU-99728JG NU-99828JG NU-99420JG OM0278 1 of 32 Release date: 5/17/2021 Revision 2 May/2021...
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Page 2: Table Of Contents
NuAire Ultra Low Temperature OM0278 Freezer User Manual Contents: Product Features It merits your trust from beginning to end Temperature Control Security System Refrigeration system User friendly design Safety Label and Safety Precautions Usage Precautions Installation Installation environment Installation Location 10.0 Before Use Preparation... -
Page 3: It Merits Your Trust From Beginning To End
NuAire Ultra Low Temperature OM0278 Freezer User Manual It merits your trust from beginning to end. This Product is suitable for the ultra-low temperature storage of products in applications such as clinical pharmaceutical, scientific research, and epidemic institutions. It also can be used in blood stations, hospitals, centers for disease... -
Page 4: Safety Label And Safety Precautions
NuAire Ultra Low Temperature OM0278 Freezer User Manual Safety Labels and Safety Precautions Dear Customer Please read this manual for safe operation and use of this product. OM0278 4 of 32 Release date: 5/17/2021 Revision 2 May/2021... - Page 5 NuAire Ultra Low Temperature OM0278 Freezer User Manual When CO2/LN2 backup is activated, the location 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 in order to ensure safe working environments.
- Page 6 NuAire Ultra Low Temperature OM0278 Freezer User Manual Do not place heavy objects on top of the unit, as a falling object may cause injury. Never use gas lines, water mains, telephone lines or lightning rods as the grounding device for you ULT unit. This type of improper grounding may cause electric shock or other danger.
- Page 7 NuAire Ultra Low Temperature OM0278 Freezer User Manual Do not climb on top of the unit or place any object on it. Falling equipment may cause injury or property damage. Do not use any hard objects such as nails and wires in opening or gaps such as air ventilation ports.
- Page 8 NuAire Ultra Low Temperature OM0278 Freezer User Manual The air filter for the condenser should be cleaned regularly. A dirty filter could cause a malfunction or the freezer temperature to rise. During any repair operations, gloves should be worn to prevent getting injured by sharp edges or corners.
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Page 9: Usage Precautions
NuAire Ultra Low Temperature OM0278 Freezer User Manual Usage Precautions • When the unit operates normally, the unit frame at the front near the door may be slightly warm; This phenomenon is normal because hot tubing is embedded there to prevent condensation from forming on the frame. -
Page 10: Installation
NuAire Ultra Low Temperature OM0278 Freezer User Manual 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 80% RH. At an environment of 32°C, humidity should be less than 57% RH. -
Page 11: Installation Location
NuAire Ultra Low Temperature OM0278 Freezer User Manual Installation Location For the equipment to achieve optimal operating conditions, an intended installation location should satisfy the following requirements. • Do not install the unit in a confined space. The doorway should be large enough for the unit to freely be transferred in or out of the room if necessary. -
Page 12: Before Use Preparation
NuAire Ultra Low Temperature OM0278 Freezer User Manual 10.0 Before Use Preparations 1. Remove packing materials and straps. Remove all packing materials and straps for transportation. 2. Check the supplied accessories Check the items in the packing box according to the packing list. - Page 13 NuAire Ultra Low Temperature OM0278 Freezer User Manual 11.0 Initial Power When the unit is started for the first time, please follow the procedures below. 1. While keeping the unit empty, plug in the power cord to dedicated power socket that meets all electrical requirements.
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Page 14: Operation After A Power Outage
NuAire Ultra Low Temperature OM0278 Freezer User Manual • Your ULT unit should be cared for by trained personnel. Every 2 to 4 hours, the Unit’s working status should be inspected and recorded on a daily basis. Should there be a malfunction in the unit, the freezer temperature rises. If the... -
Page 15: Freezer Parts
NuAire Ultra Low Temperature OM0278 Freezer User Manual 13.0 Freezer Parts 13.1 Vertical Type OM0278 15 of 32 Release date: 5/17/2021 Revision 2 May/2021... -
Page 16: Horizontal Type
NuAire Ultra Low Temperature OM0278 Freezer User Manual 13.2 Horizontal type 14.0 Control Panel OM0278 16 of 32 Release date: 5/17/2021 Revision 2 May/2021... -
Page 17: How To Use The Freezer
NuAire Ultra Low Temperature OM0278 Freezer User Manual 15.0 How to Use the Freezer 15.1 Unlocking the freezer Before adjusting the settings, you must unlock the freezer. 1. Press key, adjust the number to “06”. 2. Press and hold “Set” key for 5 seconds; the “locked” indicator turns off. The unit unlocked mode and can be set. -
Page 18: Setting The Security Code
NuAire Ultra Low Temperature OM0278 Freezer User Manual 15.4 Setting the low temperature alarm 1. In unlocked mode, press “Set” key to select “low Temp. Alarm”, the temperature Display flashes and display the setting value. 2. Then, press key, adjust the low temperature alarm setting value. -
Page 19: Alarm Test And Low Battery Test
NuAire Ultra Low Temperature OM0278 Freezer User Manual 15.7 Alarm test and low battery test 1. In unlocked mode, simultaneously press and hold key and “Silence” key for 5 seconds, the buzzer alarm sounds, and the alarm indicator flashes. 2. At this time the 6-second battery current test is initially implemented. -
Page 20: Exporting Usb Data
NuAire Ultra Low Temperature OM0278 Freezer User Manual During the above procedure setting 1P to 5P, you can use key to adjust the setting Individually. For example: The temperature display shows 1P (Years), if you do not need to change Years (1P) and Months (2P), you can adjust Days (3P) directly. -
Page 21: Display And Alarm
NuAire Ultra Low Temperature OM0278 Freezer User Manual 16.0 Display and Alarms When the freezer is powered up and the power switch is turned on, the display will show the inner temperature, ambient temperature and current voltage. Instructions on the display panel working conditions: “Locked”... - Page 22 NuAire Ultra Low Temperature OM0278 Freezer User Manual OM0278 22 of 32 Release date: 5/17/2021 Revision 2 May/2021...
- Page 23 NuAire Ultra Low Temperature OM0278 Freezer User Manual • A flashing alarm cannot be cancelled unless the malfunction is eliminated. The buzzing alarm can be temporarily silenced for 30 minutes by pressing the “Silence” key. However, if the problem persists, the buzzer alarm will resume after 30 minutes.
- Page 24 NuAire Ultra Low Temperature OM0278 Freezer User Manual 17.0 Cleaning Freezer Parts • To prevent electric shock or injury to operators, the AC power supply to the freezer must be disconnected completely prior to any repair and maintenance work is being performed.
- Page 25 NuAire Ultra Low Temperature OM0278 Freezer User Manual 17.3 Defrost the interior Frost and ice can form between the door gasket and frame to form an air gap, which can decrease the refrigeration effect of the unit. Use the provided plastic scraper to remove excess frost.
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Page 26: Optional Accessories
NuAire Ultra Low Temperature OM0278 Freezer User Manual 18.3 Location of the battery The battery is for the power outage alarm. It is located inside the control box on the right side of the unit. There are high voltage components in the control box. To prevent electric shock, only a qualified technician or engineer should open the cover. - Page 27 NuAire Ultra Low Temperature OM0278 Freezer User Manual For installation and operation of the backup cooling system, please refer to the user’s manual provided with the system. Please purchase steel cylinders fitted with a siphon, the siphon can be used to siphon fluids that flow out from the bottom of the steel cylinders.
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Page 28: Troubleshooting
NuAire Ultra Low Temperature OM0278 Freezer User Manual 20.0 Troubleshooting OM0278 28 of 32 Release date: 5/17/2021 Revision 2 May/2021... -
Page 29: Refrigeration And Wiring Diagram
NuAire Ultra Low Temperature OM0278 Freezer User Manual 21.0 Refrigeration and Wiring Diagrams 21.1 Refrigeration diagram OM0278 29 of 32 Release date: 5/17/2021 Revision 2 May/2021... -
Page 30: Wiring Diagram
NuAire Ultra Low Temperature OM0278 Freezer User Manual 21.2 Wiring Diagram OM0278 30 of 32 Release date: 5/17/2021 Revision 2 May/2021... -
Page 31: Specifications, Technical Data And Packing List
NuAire Ultra Low Temperature OM0278 Freezer User Manual 22.0 Specifications, Technical Data, and Packing List 22.1 Specifications OM0278 31 of 32 Release date: 5/17/2021 Revision 2 May/2021... -
Page 32: Technical Data
NuAire Ultra Low Temperature OM0278 Freezer User Manual 22.2 Technical Data 22.3 Packing List OM0278 32 of 32 Release date: 5/17/2021 Revision 2 May/2021...
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