Carrier AQUASNAP 30RAP010-150 User Manual

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53300221-01 Printed in U.S.A. Form 30RAP-7T Rev. A Pg 1 5-21 Replaces: 30RAP-6T
Controls, Start-Up, Operation,
Service, and Troubleshooting
CONTENTS
Page
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 2
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Conventions Used in This Manual . . . . . . . . . . . . . . . 3
Basic Controls Usage . . . . . . . . . . . . . . . . . . . . . . . . . 4
• SCROLLING MARQUEE DISPLAY
• ACCESSORY NAVIGATOR™ DISPLAY MODULE
CONTROLS . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . 7
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Main Base Board (MBB) . . . . . . . . . . . . . . . . . . . . . . 26
Energy Management Module (EMM) . . . . . . . . . . . . 27
Current Sensor Board (CSB) . . . . . . . . . . . . . . . . . . 27
Auxiliary (AUX) Board . . . . . . . . . . . . . . . . . . . . . . . . 27
Electronic Expansion Valve (EXV) Board
. . . . . . . . 27
Compressor Expansion Board (CXB) . . . . . . . . . . . 27
Enable/Off/Remote Control Switch . . . . . . . . . . . . . 27
Emergency On/Off Switch . . . . . . . . . . . . . . . . . . . . 27
Board Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Control Module Communication . . . . . . . . . . . . . . . 27
• RED LED
• GREEN LED
• YELLOW LED
Carrier Comfort Network
®
(CCN) Interface . . . . . . . 28
Alarm
Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
• ALARM ROUTING CONTROL
• ALARM EQUIPMENT PRIORITY
• COMMUNICATION FAILURE RETRY TIME
• RE-ALARM TIME
• ALARM SYSTEM NAME
Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
• COOLER LEAVING FLUID SENSOR
• COOLER ENTERING FLUID SENSOR
• COMPRESSOR RETURN GAS TEMPERATURE
SENSOR
• OUTDOOR-AIR TEMPERATURE SENSOR (OAT)
• DISCHARGE TEMPERATURE THERMISTOR (DTT)
• REMOTE SPACE TEMPERATURE SENSOR OR DUAL
LEAVING WATER TEMPERATURE SENSOR
Energy Management Module . . . . . . . . . . . . . . . . . . 30
Loss-of-Cooler Flow Protection . . . . . . . . . . . . . . . . 31
Electronic Expansion Valves (EXVs) . . . . . . . . . . . . 31
Capacity Control . . . . . . . . . . .
. . . . . . . . . . . . . . . . . 31
• MINUTES LEFT FOR START
• MINUTES OFF TIME
• LEAD/LAG DETERMINATION
• LOADING SEQUENCE SELECT
• LOW AMBIENT LOCKOUT
• CAPACITY CONTROL OVERRIDES
• SLOW CHANGE OVERRIDE
Head Pressure Control . . . . . . . . . . . . . . . . . . . . . . .34
• MOTORMASTER
®
V OPTION
High-Efficiency Variable Condenser Fans . . . . . . . .37
• 30RAP011-060 WITH GREENSPEED
®
INTELLIGENCE
• FAN DRIVE OPERATION
Operation of Machine Based on Control Method and
Cooling Set Point Selection Settings . . . . . . . . .38
• OCCUPANCY SCHEDULE
• CCN CONTROL
Cooling Set Point Select . . . . . . . . . . . . . . . . . . . . . .39
• SINGLE
• DUAL SWITCH
• DUAL CCN OCCUPIED
• 4 TO 20 MA INPUT
• CONFIGURATION SET POINT LIMITS
Ice Mode . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . .39
Cooling Set Point (4 to 20 mA) . . . . . . . . . . . . . . . . .39
Low Sound Mode Operation . . . . . . . . . . . . . . . . . . .40
Heating Operation . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Service Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Optional Factory-Installed Hydronic Package . . . .41
Cooler
Pump Control . . . . . . . . . . . . . . . . . . . . . . . . .41
Cooler Pump Operation . . . . . . . . . . . . . . . . . . . . . . .41
Cooler Pump Sequence of Operation . . . . . . . . . . .41
• NO INTEGRAL PUMP — SINGLE EXTERNAL PUMP
CONTROL
• NO INTEGRAL PUMP — DUAL EXTERNAL PUMP
CONTROL
• SINGLE INTEGRAL PUMP CONTROL
• DUAL INTEGRAL PUMP CONTROL
Configuring and Operating Dual Chiller Control . .43
Temperature Reset . . . . . . . . . . . . . . . . . . . . . . . . . .43
Demand Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
49
• DEMAND LIMIT (2-STAGE SWITCH CONTROLLED)
• EXTERNALLY POWERED DEMAND LIMIT (4 TO 20
MA CONTROLLED)
• DEMAND LIMIT (CCN LOADSHED CONTROLLED)
Digital Scroll Option . . . . . . . . . . . . . . . . . . . . . . . . .49
• DIGITAL SCROLL OPERATION
• DIGITAL COMPRESSOR CONFIGURATION
PRE-START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
System Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
START-UP AND OPERATION . . . . . . . . . . . . . . . . . .51
Crankcase Heaters . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Actual Start-Up . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . .52
Check Refrigerant Charge . . . . . . . . . . . . . . . . . . . . .52
Charge Adjustment for Brine Operation . . . . . . . . .52
Operating Limitations . . . . . . . . . . . . . . . . . . . . . . . .52
AquaSnap
®
30RAP010-150 Air-Cooled Chillers and
30RAP011-060 Air-Cooled Chillers with
Greenspeed
®
Intelligence
with Puron
®
Refrigerant (R-410A)
50/60 Hz

Carrier AQUASNAP 30RAP010-150 Specifications

General

Model	30RAP010-150
Category	Chiller
Cooling Capacity	10-150 tons
Cooling Capacity Range (Tons)	10-150
Compressor Type	Scroll
Refrigerant	R-410A
Sound Level	68-78 dBA
Number of Circuits	1-2
Energy Efficiency	High Efficiency
Power Supply	460V/3/60
Control System	Microprocessor

Summary

Controls, Start-Up, Operation, Service, and Troubleshooting

SAFETY CONSIDERATIONS

Essential safety guidelines for installation, start-up, and service of the chiller unit.

CONTROLS

Details on the ComfortLink electronic control system, its components, and functions.

Alarm Control

Electronic Expansion Valves (EXVs)

Capacity Control

Service Test

Procedures for testing components like fans, compressors, and relays via the control system.

Configuring and Operating Dual Chiller Control

Demand Limit

PRE-START-UP

Essential checks to be completed before attempting to start the chiller.

START-UP AND OPERATION

Procedures for starting the unit and ensuring proper operation.

Actual Start-Up

Steps for performing the actual start-up under mechanic supervision.

Check Refrigerant Charge

Procedures for checking and adjusting the refrigerant charge for optimal performance.

SERVICE

Procedures for servicing various components and systems of the chiller.

Compressor Replacement

Step-by-step instructions for replacing scroll compressors in the unit.

Check Unit Safeties

Procedures for checking safety devices like high-pressure switches and pressure transducers.

MAINTENANCE

TROUBLESHOOTING

Comprehensive guide to diagnosing and resolving operational faults and alarms.

Alarms and Alerts

Information on abnormal or fault conditions that can cause unit shutdown.

APPENDIX D — BACNET COMMUNICATION