Carrier 19XRV User Manual

3
CONTENTS (cont)
Page
Check Relief Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Identify the VFD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Input Power Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Checking the Installation . . . . . . . . . . . . . . . . . . . . . . . . 62
Inspect Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Ground Fault Troubleshooting . . . . . . . . . . . . . . . . . . 63
Carrier Comfort Network® Interface . . . . . . . . . . . . . 63
Power Up the Controls and
Check the Oil Heater . . . . . . . . . . . . . . . . . . . . . . . . . . 64
• SOFTWARE VERSION
Software Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 64
Input the Design Set Points . . . . . . . . . . . . . . . . . . . . . 64
Input the Local Occupied Schedule
(OCCPC01S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Input Service Configurations. . . . . . . . . . . . . . . . . . . . 64
• PASSWORD
• INPUT TIME AND DATE
• CHANGE ICVC CONFIGURATION
IF NECESSARY
• TO CHANGE THE PASSWORD
• TO CHANGE THE ICVC DISPLAY FROM
ENGLISH TO METRIC UNITS
• CHANGE LANGUAGE
• MODIFY CONTROLLER IDENTIFICATION
IF NECESSARY
• INPUT EQUIPMENT SERVICE PARAMETERS
IF NECESSARY
• VERIFY VFD CONFIGURATION AND CHANGE
PARAMETERS IF NECESSARY
• VFD CHILLER FIELD SET UP AND VERIFICATION
• CONFIGURE DIFFUSER CONTROL IF
NECESSARY
• MODIFY EQUIPMENT CONFIGURATION
IF NECESSARY
Perform a Control Test . . . . . . . . . . . . . . . . . . . . . . . . . . 67
• PRESSURE TRANSDUCER CALIBRATION
Check Optional Pumpout System
Controls and Compressor. . . . . . . . . . . . . . . . . . . . . 68
High Altitude Locations . . . . . . . . . . . . . . . . . . . . . . . . . 68
Charge Refrigerant Into Chiller . . . . . . . . . . . . . . . . . . 68
• CHILLER EQUALIZATION WITHOUT A
PUMPOUT UNIT
• CHILLER EQUALIZATION WITH
PUMPOUT UNIT
• TRIMMING REFRIGERANT CHARGE
INITIAL START-UP. . . . . . . . . . . . . . . . . . . . . . . . . . . . .70,71
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Check Motor Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Check Oil Pressure and Compressor Stop . . . . . . 70
To Prevent Accidental Start-Up. . . . . . . . . . . . . . . . . . 70
Check Chiller Operating Condition . . . . . . . . . . . . . . 71
Instruct the Customer Operator . . . . . . . . . . . . . . . . . 71
• COOLER-CONDENSER
• OPTIONAL PUMPOUT STORAGE TANK AND
PUMPOUT SYSTEM
• MOTOR COMPRESSOR ASSEMBLY
• MOTOR COMPRESSOR LUBRICATION SYSTEM
• CONTROL SYSTEM
• AUXILIARY EQUIPMENT
• DESCRIBE CHILLER CYCLES
• REVIEW MAINTENANCE
• SAFETY DEVICES AND PROCEDURES
• CHECK OPERATOR KNOWLEDGE
• REVIEW THE START-UP, OPERATION, AND
MAINTENANCE MANUAL
Page
OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . 71-73
Operator Duties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Prepare the Chiller for Start-Up . . . . . . . . . . . . . . . . . 71
To Start the Chiller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Check the Running System . . . . . . . . . . . . . . . . . . . . . 71
To Stop the Chiller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
After Limited Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . 72
Preparation for Extended Shutdown . . . . . . . . . . . . 72
After Extended Shutdown . . . . . . . . . . . . . . . . . . . . . . . 72
Cold Weather Operation. . . . . . . . . . . . . . . . . . . . . . . . . 72
Manual Guide Vane Operation. . . . . . . . . . . . . . . . . . . 72
Refrigeration Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
PUMPOUT AND REFRIGERANT TRANSFER
PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74-77
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Operating the Optional Pumpout Unit . . . . . . . . . . . 74
• TO READ REFRIGERANT PRESSURES
• POSITIVE PRESSURE CHILLERS WITH
STORAGE TANKS
• CHILLERS WITH ISOLATION VALVES
• DISTILLING THE REFRIGERANT
GENERAL MAINTENANCE . . . . . . . . . . . . . . . . . . . .77,78
Refrigerant Properties . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Adding Refrigerant. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Removing Refrigerant. . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Adjusting the Refrigerant Charge . . . . . . . . . . . . . . . 77
Refrigerant Leak Testing . . . . . . . . . . . . . . . . . . . . . . . . 77
Leak Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Test After Service, Repair, or Major Leak . . . . . . . . 77
• TESTING WITH REFRIGERANT TRACER
• TESTING WITHOUT REFRIGERANT TRACER
• TO PRESSURIZE WITH DRY NITROGEN
Repair the Leak, Retest, and Apply
Standing Vacuum Test . . . . . . . . . . . . . . . . . . . . . . . . 78
Checking Guide Vane Linkage . . . . . . . . . . . . . . . . . . 78
Trim Refrigerant Charge. . . . . . . . . . . . . . . . . . . . . . . . . 78
WEEKLY MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . 78
Check the Lubrication System . . . . . . . . . . . . . . . . . . 78
SCHEDULED MAINTENANCE . . . . . . . . . . . . . . . . 79-81
Service Ontime. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Inspect the Control Panel . . . . . . . . . . . . . . . . . . . . . . . 79
Check Safety and Operating Controls
Monthly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Changing Oil Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Oil Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Oil Changes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
• TO CHANGE THE OIL
Refrigerant Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Oil Reclaim Filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
VFD Refrigerant Strainer . . . . . . . . . . . . . . . . . . . . . . . . 80
Inspect Refrigerant Float System . . . . . . . . . . . . . . . 80
Inspect Relief Valves and Piping . . . . . . . . . . . . . . . . 80
Compressor Bearing and Gear
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Inspect the Heat Exchanger Tubes
and Flow Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
• COOLER AND OPTIONAL FLOW DEVICES
• CONDENSER AND OPTIONAL FLOW DEVICES
Water Leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Water Treatment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Inspect the VFD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Recalibrate Pressure Transducers . . . . . . . . . . . . . . 81

Carrier 19XRV Specifications

General

Model	19XRV
Category	Chiller
Refrigerant	R-134a
Efficiency	High
Dimensions (L x W x H)	Varies by model
Type	Centrifugal
Compressor Type	Hermetic Two-stage
Full Load Efficiency	0.50 kW/Ton
Part Load Efficiency	0.30 kW/ton (at AHRI conditions)
Weight	Varies by model
Voltage Options	600V
Operating Temperature Range	40°F - 120°F