Related Manuals for NuAire NU-9483E
Summary of Contents for NuAire NU-9483E
- Page 1 INSTRUCTION MANUAL NU-9483E NU-9483GC NU-9483GA Ultra-Low Temperature Freezer NU-9668E NU-9668GC NU-9483GA...
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Page 2: Table Of Contents
DISPOSAL OF BATTERY P.28 TEMPERATURE RECORDER (OPTION) P.29 Setting of MTR-G85A and MTR-G85C P.29 Installation of MTR-G85A and MTR-G85C P.30 BACKUP COOLING KIT (OPTION) P.31 INVENTORY RACK P.32 SPECIFICATIONS (NU-9483E/9483GC/9483GA) P.33 SPECIFICATIONS (NU-9668E/9668GC) P.34 PERFORMANCE P.35 SAFETY CHECK SHEET P.36... -
Page 3: Introduction
Contact our sales representative or agent if any page of the manual is lost or page order is incorrect. Contact our sales representative or agent if any point in this manual is unclear or if there are any inaccuracies. No part of this manual may be reproduced in any form without the expressed written permission of NUAIRE. -
Page 4: Precautions For Safe Operation
PRECAUTIONS FOR SAFE OPERATION It is imperative that the user complies with this manual as it contains important safety advice. Items and procedures are described so that you can use this unit correctly and safely. If the precautions advised are followed, this will prevent possible injury to the user and any other person. - Page 5 PRECAUTIONS FOR SAFE OPERATION WARNING Do not use the unit outdoors. Current leakage or electric shock may result if the unit is exposed to rain water. Only qualified engineers or service personnel should install the unit. The installation by unqualified personnel may cause electric shock or fire. Install the unit on a sturdy floor and take an adequate precaution to prevent the unit from turning over.
- Page 6 PRECAUTIONS FOR SAFE OPERATION WARNING Ensure you do not inhale or consume medication or aerosols from around the unit at the time of maintenance. These may be harmful to your health. Never splash water directly onto the unit as this may cause electric shock or short circuit. Never put containers with liquid on the unit as this may cause electric shock or short circuit when the liquid is spilled.
- Page 7 PRECAUTIONS FOR SAFE OPERATION CAUTION Use a dedicated power source (a dedicated circuit with a breaker) as indicated on the rating label attached to the unit. A branched circuit may cause fire resulting from abnormal heating. Connect the power supply plug to the power source firmly after removing the dust on the plug. A dusty plug or improper insertion may cause a heat or ignition.
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Page 8: Environmental Conditions
ENVIRONMENTAL CONDITIONS This equipment is designed to be safe at least under the following conditions (based on the IEC 61010-1): Indoor use; Altitude up to 2000 m; Ambient temperature 5 C to 40 Maximum relative humidity 80% for temperature up to 31 C decreasing linearly to 50% relative humidity at 40 Mains supply voltage fluctuations not to exceed ±10% of the nominal voltage;... -
Page 9: Freezer Components
FREEZER COMPONENTS NU-9668E... - Page 10 FREEZER COMPONENTS 1. Outer door: To open the door, grip the handle. On closing, lock two door latches completely. 2. Control panel: Temperature set key, buzzer key and alarm lamp etc. are installed on the panel. Digital temperature display is also provided on it. See page 10 “Control panel”. 3.
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Page 11: Control Panel
FREEZER COMPONENTS Control panel 1. Digital temperature indicator: This indicator shows the present chamber temperature or set temperature. 2. Battery check lamp (BATTERY): This lamp flickers to recommend the battery replacement. For the replacement, consult our sales representative or agent. 3. -
Page 12: Installation Site
INSTALLATION SITE To operate this unit properly and to obtain maximum performance, install the unit in a location with the following conditions: A location not subjected to direct sunlight Do not install the unit under direct sunlight. Installation in a location subjected to direct sunlight cannot obtain the intended performance. -
Page 13: Installation
INSTALLATION 1. Removing the packaging materials and tapes Remove all transportation packaging materials and tapes. Open the doors and ventilate the unit. If the outside panels are dirty, clean them with a diluted neutral dishwashing detergent. (Undiluted detergent can damage the plastic components. For the dilution, refer to the instruction of the detergent.) After the cleaning with the diluted detergent, always wipe it off with a wet cloth. -
Page 14: Start-Up Of Unit
START-UP OF UNIT Follow the procedures for the initial and consequent operations of the unit. 1. Turn off the switch of the backup cooling kit (optional component) if it is installed. 2. Connect the power cord to the dedicated outlet having appropriate rating with the chamber empty, and turn on the power switch on the freezer. -
Page 15: Chamber Temperature Setting
CHAMBER TEMPERATURE SETTING Table 1 shows the basic procedure for setting the chamber temperature. Perform key operations in the sequence indicated in the table. The example in the table is based on the assumption that the desired temperature is -75 Note: The unit is set at the factory that the chamber temperature -80 Table 1. -
Page 16: Alarm Temperature Setting
ALARM TEMPERATURE SETTING This unit is provided with the high and low temperature alarm and the temperature at which the alarm is activated is changeable. The following procedure shows the setting of alarm temperature according to the condition below: High temperature alarm: activates at the temperature 5 C higher than the set temperature Low temperature alarm: activates at the temperature 5 C lower than the set temperature... -
Page 17: Setting Of Alarm Resume Time
SETTING OF ALARM RESUME TIME The alarm buzzer is silenced by pressing alarm buzzer stop key (BUZZER) on the control panel during alarm condition (The remote alarm is not silenced). The buzzer will be activated again after certain suspension if the alarm condition is continued. The suspension time can be set by following the procedure shown in the Table 5 below. -
Page 18: Remote Alarm Terminal
REMOTE ALARM TERMINAL The terminal of the remote alarm is installed at the lower left side of the unit. The alarm is outputted from this terminal. Contact output: between COM. and N.O. between COM. and N.C. At normal Open Close At abnormal Close Open... -
Page 19: Change Of Compressor Delay Time
CHANGE OF COMPRESSOR DELAY TIME The delay time of high and low stage side compressor can be changed to reduce the load on the power line and to facilitate the start-up (reset) of the freezer after power failure. The example in the table is based on the assumption that the delay time is changed to 4 minutes. (The delay time is set in 2 minutes at the factory.) Note: •... -
Page 20: Alarms & Safety Functions
Contact NUAIRE sales representative or agent at the time of replacement of the battery for recycling. • Fan motors are expendable supplies. Exchange it for about every 6 years. Contact NUAIRE sales representative or agent at the time of replacement of the fan motor. -
Page 21: Routine Maintenance
ROUTINE MAINTENANCE WARNING Always disconnect the power supply to the unit prior to any repair or maintenance of the unit in order to prevent electric shock or injury. Ensure you do not inhale or consume medication or aerosols from around the unit at the time of maintenance. -
Page 22: Defrosting Of Inside Wall
ROUTINE MAINTENANCE Defrosting of inside wall The frost is built at the upper portion of the chamber and inner door. The excessive frost possibly make some gap between the cabinet and door gasket, which may cause poor cooling. Remove the frost on the inner door with a scraper enclosed with the unit. -
Page 23: Troubleshooting
TROUBLE SHOOTING If the unit malfunctions, check out the following before calling for service. Malfunction Check/Remedy The circuit breaker of power source is active. The chamber is not cooled The voltage is too low (In this case, call an electrician). at all The power is not supplied. -
Page 24: Disposal Of Unit
DISPOSAL OF UNIT 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. The disposal of the unit should be accomplished by appropriate personnel. Always remove doors to prevent accidents such as suffocation. - Page 25 The symbol mark and recycling systems described below apply to EU countries and do not apply to countries in other areas of the world. Your NUAIRE product is designed and manufactured with high quality materials and components which can be recycled and/or reused.
- Page 26 POUR LES UTILISATEURS DE UE Le symbole et les systèmes de recyclage évoqués ci-dessous s'appliquent uniquement aux pays de UE. Votre produit NUAIRE est conçu et fabriqué avec des composants et des matériaux de hautes qualités qui peuvent être recyclés et/ou réutilisés.
- Page 27 PER UTENTI UE Il simbolo e i sistemi di riciclaggio descritti di seguito si applicano esclusivamente ai paesi dell’UE. Questo prodotto NUAIRE è stato progettato e realizzato con materiali e componenti di elevata qualità che possono essere riciclati e/o riutilizzati.
- Page 28 Het symbool en de recycleersystemen die hieronder beschreven worden, zijn van toepassing op de landen in de EU en zijn niet van toepassing op landen in andere delen van de wereld. Uw NUAIRE product is ontworpen en gemaakt met materialen en onderdelen van hoge kwaliteit, die gerecycleerd en opnieuw gebruikt kunnen worden.
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Page 29: Disposal Of Battery
DISPOSAL OF BATTERY Location of a nickel-metal-hydride battery This unit is provided a nickel-metal-hydride battery for the power failure warning device. The battery is located in the electrical box inside the cover on the lower left side. (Fig. 1) The high voltage components are enclosed in the electrical box. The cover should be removed by a qualified engineer or a service personnel only to prevent the electric shock. -
Page 30: Temperature Recorder (Option)
TEMPERATURE RECORDER (OPTION) WARNING Always disconnect the power supply to the unit prior to attachment of a temperature recorder in order to prevent electric shock or injury. A temperature recorder is available for the freezer as an optional component. The type of the temperature recorder is MTR-G85A (115V) and MTR-G85C (220-240V). -
Page 31: Installation Of Mtr-G85A And Mtr-G85C
TEMPERATURE RECORDER (OPTION) Starting recording and setting the time: Turn the power switch ON. The pen will move inward on the circular recording chart and stop temporarily at the 0% position (equivalent to the 40 C line). Then the pen will move to the position which indicates the measured Hour temperature. -
Page 32: Backup Cooling Kit (Option)
BACKUP COOLING KIT (OPTION) WARNING As with any equipment that uses CO gas, there is a likelihood of oxygen depletion in the vicinity of the equipment. It is important that you assess the work site to endure there is suitable and sufficient ventilation. -
Page 33: Inventory Rack
INVENTORY RACK The inventory racks are useful to store the precious materials in the chamber effectively. When the racks are used, it is necessary to adjust the height of the shelves. Set the shelf support as shown in the figure below. Inventory rack for 2”... -
Page 34: Specifications (Nu-9483E/9483Gc/9483Ga)
SPECIFICATIONS Name Ultra-Low Temperature Freezer Model NU-9483E NU-9483GC NU-9483GA External dimensions W890 mm x D870 mm x H1990 mm Internal dimensions W630 mm x D600 mm x H1280 mm Effective capacity 483 L Exterior Painted steel Interior Painted steel Outer door... -
Page 35: Specifications (Nu-9668E/9668Gc)
SPECIFICATIONS Name Ultra-Low Temperature Freezer Model NU-9668E NU-9668GC External dimensions W1130 mm x D870 mm x H1990 mm Internal dimensions W870 mm x D600 mm x H1280 mm Effective capacity 668 L Exterior Painted steel Interior Painted steel Outer door Painted steel Inner door ABS resin panel with stainless frame, 2 doors... -
Page 36: Performance
PERFORMANCE Model NU-9483E NU-9483GC Cooling performance C at the center of the chamber (ambient temperature; 30 C, no load) Temp. control range C to -86 Power source 230 / 240 V, 50 Hz 220 V , 60 Hz Rated power consumption... -
Page 37: 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 □Yes □No 1. Freezer contents : □Yes □No Risk of infection: □Yes □No Risk of toxicity: □Yes □No Risk from radioactive sources:... - Page 38 7FB6P101586003 (08 August 2013) Printed in Mexico...
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