Carrier specifications Contents, AQUAFORCE 30XW150-400 Water-Cooled Liquid Chillers

AQUAFORCE® 30XW150-400 Water-Cooled Liquid Chillers

Controls, Start-Up, Operation, Service

and Troubleshooting

CONTENTS

Page

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 2

GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9

Conventions Used in This Manual . . . . . . . . . . . . . . . . 3

Display Module Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

•TOUCH PILOT™ DISPLAY

•NAVIGATOR™ DISPLAY MODULE

CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-18

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Main Base Board (MBB) . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Compressor Protection Module (CPM) . . . . . . . . . . 10

Electronic Expansion Valve (EXV) Board . . . . . . . . 13

MLV/Condenser Board . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Enable-Off-Remote Contact Switch (SW1). . . . . . . 16

Emergency On/Off Switch (SW2) . . . . . . . . . . . . . . . . 16

Energy Management Module (EMM) . . . . . . . . . . . . . 16

Local Equipment Network . . . . . . . . . . . . . . . . . . . . . . . 17

Board Addresses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Touch Pilot Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Control Module Communication. . . . . . . . . . . . . . . . . 17

•RED LED

•GREEN LED

•YELLOW LED

Carrier Comfort Network® (CCN) Interface. . . . . . . 18

Remote Alarm and Alert Relays . . . . . . . . . . . . . . . . . 18

CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-46

Touch Pilot Operation Configuration Tables . . . . . 18

Machine Control Methods . . . . . . . . . . . . . . . . . . . . . . . 20

Machine On/Off Control . . . . . . . . . . . . . . . . . . . . . . . . . 20

•TOUCH PILOT MACHINE CONTROL

•NAVIGATOR DISPLAY MACHINE CONTROL

Entering Fluid Control Option . . . . . . . . . . . . . . . . . . . 25 Cooling Set Point Selection . . . . . . . . . . . . . . . . . . . . . 25

• SET POINT OCCUPANCY

Chilled Water Fluid Type Selection . . . . . . . . . . . . . . 27

•FRESH WATER

•BRINE OR GLYCOL OPERATION

Cooler Pump Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

• COOLER PUMP CONTROL CONFIRGURATIONS

Machine Start Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Circuit/Compressor Staging and Loading . . . . . . . 29

•CIRCUIT/COMPRESSOR STAGING

•CIRCUIT/COMPRESSOR LOADING

Minimum Load Control . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Dual Chiller Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

•DUAL CHILLER CONTROL FOR PARALLEL APPLICATIONS

•DUAL CHILLER PUMP CONTROL FOR PARALLEL CHILLER APPLICATIONS

•DUAL CHILLER CONTROL FOR SERIES APPLICATIONS

•DUAL CHILLER PUMP CONTROL FOR SERIES CHILLER APPLICATIONS

Page

Ramp Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Temperature Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

•RETURN WATER RESET

•SPACE TEMPERATURE RESET

•4-20 mA TEMPERATURE RESET

Demand Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

•SWITCH CONTROLLED DEMAND LIMIT

•EXTERNALLY POWERED CAPACITY BASED DEMAND LIMIT

•EXTERNALLY POWERED CURRENT BASED DEMAND LIMIT

•CCN LOADSHED CONTROLLED DEMAND LIMIT

Ice Storage Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Broadcast Configuration . . . . . . . . . . . . . . . . . . . . . . . . 41

•ACTIVATE

•BROADCAST ACKNOWLEDGER

Alarm Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

•ALARM ROUTING CONTROL

•ALARM EQUIPMENT PRIORITY

•COMMUNICATION FAILURE RETRY TIME

•RE-ALARM TIME

•ALARM SYSTEM NAME

Daylight Saving Time Configuration. . . . . . . . . . . . . 43

Capacity Control Overrides . . . . . . . . . . . . . . . . . . . . . 43

Head Pressure Control . . . . . . . . . . . . . . . . . . . . . . . . . . 46

•LOW CONDENSER FLUID TEMPERATURE HEAD PRESSURE CONTROL OPTION

PRE-START-UP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46,47

System Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47-53

Actual Start-Up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Operating Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

•TEMPERATURES

•VOLTAGE

•MINIMUM FLUID LOOP VOLUME

•FLOW RATE REQUIREMENTS

OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54-59

Sequence of Operation. . . . . . . . . . . . . . . . . . . . . . . . . . 54

Dual Chiller Sequence of Operation . . . . . . . . . . . . . 54

• PUMP OPERATION

Operating Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

•THERMISTORS

•TRANSDUCERS

SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59-67

Economizer Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Electronic Expansion Valve (EXV) . . . . . . . . . . . . . . . 59

•MAIN EXV CONTROL

•ECONOMIZER EXV CONTROL

•EXV TROUBLESHOOTING PROCEDURE

Compressor Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 63

• COMPRESSOR OIL SYSTEM

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53300024-01 Printed in U.S.A. Form 30XW-1T Pg 1 11-09 Replaces: New