EVAPCO UT Series Manuals

Manuals and User Guides for EVAPCO UT Series. We have 1 EVAPCO UT Series manual available for free PDF download: Operation And Maintenance Instructions

EVAPCO UT Series Operation And Maintenance Instructions

EVAPCO UT Series Operation And Maintenance Instructions (40 pages)

INDUCED DRAFT AND FORCED DRAFT COOLING TOWERS

Brand: EVAPCO | Category: Air Conditioner | Size: 3 MB

Table of Contents

Maintenance Instructions
1
Table of Contents
2
Introduction

3
Safety Precautions

3
Initial Storage And/Or Idle Period Recommendations

3
International Building Code Provision

3
Initial and Seasonal Start-Up Checklist

4
Fan System

7
- Fan Motor Bearings
  7
- Fan Shaft Bearings
  7
- Recommended Bearing Lubricants
  7
- Fan Belt Adjustment
  8
- Fan and Motor Sheave Alignment
  8
- Fan System Capacity Control
  10
  - Fan Motor Cycling
    10
  - Two Speed Motors
    10
  - Variable Frequency Drives
    11
Recirculated Water System Routine Maintenance

12
- Cold Water Basin
  12
- Suction Strainer Assembly
  12
- Operating Water Levels
  12
- Water Make up Valve
  13
- Pressurized Water Distribution System
  13
  - Drift Eliminator Orientation
    15
Water Treatment and Water Chemistry of the Recirculated Water System

16
- Bleed off
  16
- Biological Contamination
  16
- Air Contamination
  16
- Water Chemistry Parameters
  17
- Passivation of Galvanized Steel
  18
  - White Rust
    18
- Use of Soft Water
  19
  - Use of Gray Water
    19
Stainless Steel

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

20
- Unit Accessories
  21
Replacement Parts

23
- Part Identification Drawings
  24
  - ICT 4ʼ Wide Towers
    24
  - AT/USS 6ʼ, 8ʼ & 8.5ʼ Wide Towers
    25
  - AT/USS 10ʼ, 12ʼ, & 14ʼ Wide Towers
    26
  - AT/USS 12ʼ, 15ʼ & 17ʼ Wide End Connection Towers
    27
  - AT/USS 20ʼ & 24ʼ Wide Towers
    28
  - AT/USS 28ʼ Wide Towers
    29
  - UT 6ʼ, 7.5ʼ, 8ʼ & 8.5ʼ Wide Towers
    30
  - UT 10ʼ, 12ʼ, & 14ʼ Wide Towers
    31
  - UT 12ʼ, 15ʼ & 17ʼ Wide End Connection Towers
    32
  - UT 20ʼ & 24ʼ Wide Towers
    33
  - UT 28ʼ Wide Towers
    34
  - LPT Units
    35
  - LSTA 4ʼ Wide Units
    36
  - LSTB Units
    37
  - Notes
    38

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