
140.960-IOM (JUN 2016)
Page 2
IDCF & IDC3 EVAPORATIVE CONDENSERS
INSTALLATION - OPERATION - MAINTENANCE
Table of Contents
INSTALLATION
INTRODUCTION ...............................................................3
SHIPPING..........................................................................3
PRE-RIGGING CHECKS ......................................................3
Unit Weights.......................................................................3
Anchoring...........................................................................3
Freeze Protection ...............................................................3
Location..............................................................................3
Warranties..........................................................................3
UNIT RIGGING & ASSEMBLY ............................................3
Table 1. Recommended Vertical Dimension
and Spreader Bar Length ................................................4
Section Assembly of Two-piece Cells.................................4
Section Assembly of Optional Three-Piece Cells................6
Rigging of Containerized Units (0709 and 0718 units).........7
Multi-Cell Unit Installation ..................................................8
Motor Installation for External Motors................................8
Table 2. U-Bolt Spacing Dimensions ...............................9
Table 3. Discharge Sound Attenuation Lift Dimensions .10
OPTIONAL ACCESSORY INSTALLATION..........................10
Bottom Water Outlet ........................................................10
Discharge Sound Attenuation (IDCF Option Only).............10
Fan Cowl Extensions.........................................................10
Motor Removal Davit........................................................ 11
MECHANICAL ACCESS PLATFORM.................................. 12
Mechanical Access Platform for Multi-cell Units............... 14
Mechanical Access Platform Side Ladder ......................... 15
Mechanical Access Platform End Ladder .......................... 16
FILL ACCESS PLATFORM - IDCF ONLY............................ 17
Fill Access Platform for Multi-cell Units............................ 21
Fill Access Platform Side Ladder....................................... 22
Fill Access Platform End Ladder........................................ 23
TOP PERIMETER GUARDRAILS........................................24
Top Perimeter Guardrail Ladder to Unit Base.................... 29
Top Perimeter Guardrail to Fill Platform - IDCF Only ........ 31
LADDER SAFETY CAGE ................................................... 32
Table 4. Ladder Safety Cage Bolting Location
and Quantities............................................................... 32
AUTOMATIC BEARING GREASERS...................................33
BASIN ACCESSORIES......................................................33
HEATER CONTROL PANEL...............................................33
Field Connection Instructions ...........................................34
OPERATION
INITIAL AND SEASONAL START-UP................................35
General............................................................................. 35
Cleaning............................................................................ 35
Inspection......................................................................... 35
Start-up............................................................................ 35
EXTENDED SHUTDOWN..................................................36
COLD WEATHER OPERATION..........................................36
Fan Section Icing Protection............................................. 36
BASIN WATER FREEZE PROTECTION .............................. 37
Water Basin Protection..................................................... 37
CORROSION PROTECTION .............................................. 37
Water Treatment .............................................................. 37
Gray Water and Reclaimed Water..................................... 37
Corrosion and Scale Control ............................................. 37
Table 5. Quality Guidelines for Chemically Treated
Circulating Water .......................................................... 38
Chemical Treatment Requirements ................................... 38
Passivation ....................................................................... 38
BIOLOGICAL CONTROL ...................................................38
VFD ................................................................................. 39
No VFD............................................................................. 39
Basin Heater (Optional) ....................................................40
Vibration Cutout Switch (VCOS) .......................................40
MAINTENANCE
WATER BASIN ................................................................43
Water Levels.....................................................................43
Table 6: Water Basin Water Levels................................43
FAN ................................................................................43
FAN DRIVE SYSTEM ...................................................... 44
System Descriptions .........................................................44
Fan Belt Adjustment .........................................................44
Drive Alignment Check And Adjustment...........................44
FAN MOTORS.................................................................45
Adjustable Motor Base .....................................................45
FAN SHAFT BEARINGS ..................................................45
WATER DISTRIBUTION AND HEAT TRANSFER ................45
WATER LEVEL CONTROL ................................................46
Mechanical Makeup Valve Assembly.................................46
Optional Electric Water Level Control Package.................46
LED Status Codes .............................................................46
SYSTEM CLEANING ........................................................46
Coil Cleaning.....................................................................46
Weld Byproduct Cleaning..................................................47
Long Term Care of Stainless Steel .................................... 47
Stainless Steel Recommended Cleaning Procedure..........47
BLEED RATE....................................................................47
PROLONGED OUTDOOR STORAGE..................................49
RECOMMENDED MAINTENANCE SERVICES.....................50
RECOMMENDED SPARE PARTS ......................................50
Indicates an imminently hazardous situation which, if not avoided, will result in death or serious
injury.
Indicates a potentially hazardous situation or practice which, if not avoided, will result in death or
serious injury.
SAFETY PRECAUTION DEFINITIONS
Indicates a potentially hazardous situation or practice which, if not avoided, will result in damage
to equipment and/or minor injury.
Indicates an operating procedure, practice, etc., or portion thereof which is essential to highlight.
WARNING
CAUTION
DANGER
NOTICE