Table of Contents
Safety and Equipment Precautions
2 Danger
2 Warning
2 Caution
2 Warranties
3 Attention
3 General Maintenance Information
PART 1 Unit Operation and Storage
4 Start-Up Procedure
6 Extended Shutdown
7 Prolonged Outdoor Storage
PART 2 Detailed Component Maintenance Procedures
9 Cold Water Basin
10 Fan
11 Fan Drive System
17 Fan Motors
17 Fan Shaft Bearings
18 Heat Transfer Section
18 Water Distribution System
19 Water Level Control
PART 3 Corrosion Protection
22 Water Treatment
23 Corrosion and Scale Control
23 Biological Control
24 Chemical Treatment Requirements
24 Passivation
25 Long Term Care of Stainless Steel
PART 4 Bleed Rate
26 Bleed Rate
PART 5 Cold Weather Operation
28 Inspection & Maintenance
28 Fan Section Icing Protection
29 Basin Water and Internal Piping Freeze Protection
30 Freeze Protection for the Optional EASY CONNECT
®
Piping Arrangement
PART 6 Operation Considerations for Accessories
31 Basin Heater (Optional)
32 Vibration Cutout Switch (VCOS)
33 Stand Alone BAC Heater Control Panel (Optional)
Part 7 Fan Control
35 Variable Frequency Drive Operation
36 Resonant Speed Identification Procedure
PART 8 New Field Connections for TriArmor
®
Corrosion Protection System Cold Water
Basin
38 Installation Instructions
OPERATION & MAINTENANCE » SERIES 3000 COOLING TOWER
1
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