OM0239
Page 4 of 72
April 2021
LabGard® ES Energy Saver Class II Laminar Flow Biosafety Cabinet
Models NU-543-300S/400S/500S/600S Operation and Maintenance Manual
Table of Contents
Section No. 1 ..................................................... General Information
Section No. 2 ..................................................... Models and Features
Section No. 3 ..................................................... Warranty
Section No. 4 ..................................................... Shipments
Section No. 5 ..................................................... Installation Instructions
5.1 ..................................................................... Location
5.2 ..................................................................... Set-up Instructions
5.3 ..................................................................... Testing Methods and Equipment
Section No. 6 ..................................................... Operating the NU-543S
6.1 .....................................................................
FlowGard™
Control System
6.2 ..................................................................... Operating Guidelines
6.3 ..................................................................... Operating Sequence
6.4 ..................................................................... Ergonomics
6.5 ..................................................................... Cleaning Procedures
Section No. 7 ..................................................... General Maintenance
7.1 ..................................................................... Decontamination
7.2 ..................................................................... Fluorescent Lamp Bulb Replacement
7.3 ..................................................................... HEPA Filter/Motor Replacement
7.4 ..................................................................... Sliding Window Replacement and Manual Adjustment
7.5 ..................................................................... Airflow Control System Setup and Calibration
7.6 ..................................................................... HEPA Filter Leak test
7.7 ..................................................................... Airflow Smoke Pattern Test
7.8 ..................................................................... Site Installation Assessments
7.9 ..................................................................... Cleanliness Classification Test for Pharmacy Application
7.10 ................................................................... Main Control Board Description and Replacement
7.11 ................................................................... Digital Airflow Sensor Description and Replacement
Section No. 8 .................................................... Error Messages, Troubleshooting and Option-Diagnostics
Section No. 9 ..................................................... Remote Contacts
Section No. 10 ................................................... Optional Equipment
10.1 ................................................................... Ultraviolet Light
Section No. 11 ................................................... Electrical/Environmental Requirements
Section No. 12 ................................................... Disposal and Recycle
Insert ................................................................. Replacement Parts
Manual Drawings
ACD-16371 ...................................... NU-543 Airflow Schematic
BCD-17361 ...................................... NU-543-300S Specification Drawing
BCD-17362 ...................................... NU-543-400S Specification Drawing
BCD-17363 ...................................... NU-543-500S Specification Drawing
BCD-17364 ...................................... NU-543-600S Specification Drawing
BCD-16882 ...................................... Drain Valve Installation
BCD-16377 ...................................... Front Label
BCD-16509 ...................................... NU-500 Series Auto Decontamination Set-Up
Assembly Drawings
CD-000086....................................... Base Stand Assembly
BCD-16301 ...................................... Control Center and Front Decorative Panel Assembly
BCD-16376 ...................................... Sliding Window Assembly and Adjustment
BCD-16299 ...................................... Base Cabinet Assembly
Electrical Schematics
BCD-17365 (sheet 1 and 2) ............. NU-543-300S/400S/500S/600S Electrical Schematic
Summary of Contents for LabGard ES NU-543-300S
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