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NuAire NU-4950E User Manual

NuAire NU-4950E
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-4950E Specifications

General IconGeneral
BrandNuAire
ModelNU-4950E
CategoryAccessories
LanguageEnglish

Summary

Operation & Maintenance Manual

General Description

Overview of the US Autoflow Automatic CO2 Incubator's design and purpose.

Safety Instructions

Essential safety guidelines for operating and maintaining the incubator.

Test Performance & Procedures

Electrical and Functional Tests

Details electrical tests (leakage, dielectric, ground) and functional tests (controls, CO2).

Installation

Gas Supply Connections

Instructions for connecting CO2/N2 supply, regulators, and air inlet.

US Autoflow Operation

Diagnostic Interactions

Procedures for self-test, diagnostic tests, output testing, and master reset.

Calibration Procedures

Chamber Temperature Calibration

Step-by-step guide to calibrate the chamber temperature sensor.

CO2 Calibration Methods

Covers CO2 control, sensor zero/span, injection, and auto zero calibration techniques.

Relative Humidity Calibration

Process for calibrating the RH sensor using a water pan or set-point adjustments.

Oxygen Sensor Calibration

Steps to calibrate the oxygen sensor, including operation notes.

Error Indicators & Troubleshooting

Error Indicator Troubleshooting Guide

Table detailing error codes, descriptions, and suggested checks/corrections.

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