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SPX Marley NC8407 User Manual

SPX Marley NC8407
32 pages
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NC
®
steel cooling tower
INSTALLATION - OPERATION - MAINTENANCE
Z0628276 rev A ISSUED 05/2015
READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT.
USER MANUAL
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SPX Marley NC8407 Specifications

General IconGeneral
BrandSPX
ModelMarley NC8407
CategoryAir Conditioner
LanguageEnglish

Summary

Overview

Safety First

Discusses safety considerations for installation, operation, and maintenance of the cooling tower.

Installation

Tower Installation

Step-by-step instructions for placing and securing the tower modules onto the support structure.

Motor Wiring and Safety

Guidelines for wiring the motor, including safety recommendations for disconnect switches.

VFD Operation and Safety

Details VFD programming, usage, and safety warnings to prevent equipment damage and injury.

Mechanical Equipment

Fan Guard Installation

Instructions for installing the fan guard and the importance of proper structural integrity.

Tower Start-Up

Water System Preparation

Steps for cleaning, filling the water system, and checking float valve operation.

Operation

Tower Operation General

Explains factors influencing cold water temperature, including heat load, air temperature, and water flow.

Wintertime Operation

Ice Formation Prevention

Guidelines to prevent destructive ice formation on fill and louvers during cold weather.

No Heat Load Operation

Restrictions on operating towers with reduced water rate or no heat load during freezing weather.

Intermittent Wintertime Operation

Freeze Prevention Measures

Methods to prevent freezing during periods of shutdown in cold weather.

Water Treatment and Blowdown

Maintaining Water Quality

Details on acceptable water quality parameters and startup conditions to prevent corrosion.

Maintenance

Cooling Tower Cleaning

Procedures for regular cleaning to minimize bacteria growth and ensure safety.

Schedule of Tower Maintenance

Seasonal Shutdown Instructions

Troubleshooting

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