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NuAire NU-4850E User Manual

NuAire NU-4850E
68 pages
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OM0123 Page 1 of 68
Rev 15
Water-Jacketed,
US Autoflow Automatic CO
2
Incubator
Models
NU-4750, NU-4850, NU-4950
NU-4750D, NU-4850D, NU-4950D
NU-4750E, NU-4850E, NU-4950E
Operation & Maintenance Manual
July, 2013
Revision 15
Series 10 4750
Series 5 4750D
Series 10 4750E
Series 11 4850
Series 7 4850D
Series 11 4850E
Series 11 4950
Series 7 4950D
Series 11 4950E
For 115 Vac, 60 Hz Only
Manufactured By:
NuAire, Inc.
2100 Fernbrook Lane
Plymouth, MN 55447
Toll-Free: 1-800-328-3352
In Minnesota: (763)-553-1270
Fax: (763)-553-0459
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NuAire NU-4850E Specifications

General IconGeneral
BrandNuAire
ModelNU-4850E
CategoryAccessories
LanguageEnglish

Summary

General Description

Extra Large Water-Jacket Design

Details the 20-gallon water-jacket design and its benefits for temperature uniformity.

CO2 Display and Control System

Explains the solid-state infrared CO2 analyzer and its measurement capabilities.

NuAire Incubator Control Electronics (NICE)

Describes the NICE microcomputer control system and its features.

Relative Humidity Display and Control

Describes the RH control system and its operation for NU-4850/4950 models.

O2 Display and Control System

Explains the optional O2 display and control system for NU-4950 models.

Safety Instructions

Performance Parameters

Models, Features & Specifications

NU-4850 Additional Features

Highlights additional features specific to the NU-4850 model.

NU-4950 Additional Features

Highlights additional features specific to the NU-4950 model.

NU-4750 Standard Features

Details the standard features of the NU-4750 model incubator.

Test Performance and Procedures

Electrical Test Procedures

Details electrical tests including leakage, dielectric voltage, and grounding.

Functional Test Procedures

Outlines functional tests performed on control systems and performance parameters.

Warranty Information

Shipments and Handling

Damaged Shipments Procedures

Provides procedures for handling and claiming damaged shipments.

Installation Procedures

Electrical Connection Requirements

Covers electrical supply requirements and connection safety precautions.

CO2/N2 Tube Connection Guide

Instructions for connecting CO2 and N2 gas supply tubing to the incubator.

US Autoflow Operation Guide

Simplified Operator Controls and Modes

Describes the operation of the control panel keypads and modes.

Humidity Generation and Control

Explains humidity generation for NU-4750 and relative humidity control for NU-4850/4950.

Automatic Notification of Abnormal Situations

Details the system's automatic fault detection and alarm notification process.

Front Control Panel Details

Keypad Operation: Run/Setup and Selection

Details keypad operation for mode selection and parameter input.

US Autoflow Rear Panel Features

Setup Mode Operator Interactions

Setting Temperature, CO2, Humidity, and O2 Setpoints

Guide to setting chamber temperature, CO2, humidity, and O2 levels.

Diagnostic Interactions

Test Output Parameters Descriptions

Lists and describes parameters available for output testing in diagnostic mode.

Option Configuration Parameters

Master Reset Procedure

Calibration Procedures

Chamber Temperature Calibration Process

Step-by-step guide for calibrating the chamber temperature sensor.

Door Temperature Calibration Process

Details calibration of the door heater duty cycle for condensation control.

CO2 Sensor Calibration (Zero/Span)

Guides for zero/span calibration of the CO2 sensor using open or closed door methods.

CO2 Injection Calibration Procedure

Calibrating CO2 injection time for optimal recovery after door openings.

CO2 Calibration Methods Overview

Overview of CO2 calibration techniques: control, sensor, and injection.

CO2 System Auto Zero Calibration Function

Describes the automatic zero calibration routine for the CO2 sensor.

CO2 Control Calibration Steps

Procedure for calibrating the CO2 control system based on external measurements.

Relative Humidity Calibration

Oxygen Sensor Calibration (NU-4950)

Steps for calibrating the O2 sensor on NU-4950 models.

Maintaining Your US Autoflow

Error Indicators & Troubleshooting

Error Indicator Troubleshooting Guide

Guide to identifying and correcting error codes displayed by the incubator.

Electrical/Environmental Requirements

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