EVAPCO AT 420-124 Manuals

Manuals and User Guides for EVAPCO AT 420-124. We have 1 EVAPCO AT 420-124 manual available for free PDF download: Operation And Maintenance Instructions

EVAPCO AT 420-124 Operation And Maintenance Instructions

EVAPCO AT 420-124 Operation And Maintenance Instructions (40 pages)

Induced Draft and Forced Draft Cooling Towers

Brand: EVAPCO | Category: Accessories | Size: 5 MB

Table of Contents

Table of Contents
2
Introduction

3
Safety Precautions / Remaining Risks

3
Checklists

5
Basic Cooling Tower Sequence of Operation

8
Fan System

9
- Fan Motor Bearings
  9
- Fan Shaft Ball Bearings
  9
  - Recommended Bearing Lubricants
    9
- Fan Shaft Sleeve Bearings
  10
- Fan Belt Adjustment
  10
  - Fan and Motor Sheave Alignment
    11
  - Fan System Capacity Control
    12
    
    Fan Motor Cycling
    12
    
    Two Speed Motors
    12
    
    Variable Frequency Drives
    12
Identify and Lock-Out Harmful Resonant Frequencies

13
Recirculated Water System Routine Maintenance

13
- Suction Strainer Assembly
  14
- Cold Water Basin
  14
- Operating Water Levels
  14
- Water Make up Valve
  15
- Drift Eliminators
  15
- Pressurized Water Distribution System
  15
- Bleed-Off Valve
  16
Water Treatment and Water Chemistry

17
- Bleed or Blowdown
  17
- Galvanized Steel - Passivation
  17
- Water Chemistry Parameters
  18
- Control of Biological Contamination
  18
- Gray Water and Reclaimed Water
  19
- Air Contamination
  19
Stainless Steel

19
- Maintaining the Appearance of Stainless Steel
  20
- Cleaning Procedures for Stainless Steel
  20
Cold Weather Operation

21
Troubleshooting

25
Replacement Parts

28

Advertisement

Advertisement

Related Products

EVAPCO Categories

Air Conditioner

Air Conditioner Accessories Industrial Equipment Cooling boxes

Freezer

More EVAPCO Manuals