IOM 1281-2 • CENTRIFUGAL WATER CHILLERS 2 www.DaikinApplied.com
©2023 Daikin Applied, Minneapolis, MN. All rights reserved throughout the world.This document contains the most current product information as
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Table of Contents
Introduction .................................5
...............5
General Description .........................6
Installation ..................................7
Receiving and Handling ......................7
Location ..................................8
Operating Limits............................9
Field Insulation.............................9
Water Piping..............................10
Water Quality Guidelines ....................10
Vessel Drains at Startup ....................11
Flow Switches ............................11
Variable Fluid Flow Rates ...................11
System Water Volume ......................11
System Pumps............................11
Condenser Water Temperature Control .........11
Cooling Tower Control ......................12
Water Side Economizer Cycle Operation........12
Relief Valves .............................13
Oil Coolers ...............................14
Oil Heater................................15
Field Wiring ..............................18
Building Automation Systems (BAS) ...........19
Use with On-Site Generators .................19
Field Wiring, Controls & Starters ..............20
........................25
Operation .................................33
Dual/Multi-Chiller Operation..................33
Ice Mode Operation ........................34
Operator Responsibilities....................34
Operator Schools ..........................34
Unit Enabling/Disabling .....................34
Human Machine Interface (HMI) ..............35
Tower Control Settings .....................50
Alarms ..................................56
Controller Inputs and Outputs ................61
Maintenance ...............................63
Routine Maintenance .......................63
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