
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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