Carrier 23XL Specifications Page 3
- Page / 104
- Table of contents
- BOOKMARKS
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CONTENTS (cont)
Page
Input the Local Occupied Schedule
(OCCPC01S) ..............................52
Selecting Refrigerant Type ...................53
• TO CONFIRM REFRIGERANT
• TO CHANGE REFRIGERANT TYPE
Input Service Configurations ................53
• PASSWORD
• INPUT TIME AND DATE
• CHANGE LID CONFIGURATION
IF NECESSARY
• MODIFY CONTROLLER IDENTIFICATION
IF NECESSARY
• INPUT EQUIPMENT SERVICE PARAMETERS
AS NECESSARY
• MODIFY EQUIPMENT CONFIGURATION
AS NECESSARY
• CHECK VOLTAGE SUPPLY
• PERFORM AN AUTOMATED CONTROLS TEST
Check Optional Pumpout System
Controls and Compressor .................55
Charge Refrigerant Into Machine .............55
• 23XL MACHINE EQUALIZATION WITHOUT PUM-
POUT UNIT
• TRIMMING REFRIGERANT CHARGE
INITIAL START-UP .........................56,57
Preparation .................................56
Dry Run to Test Start-Up Sequence ..........56
Check Rotation .............................56
• NOTES ON SOLID-STATE STARTERS
Check Oil Pressure and Compressor Stop ....57
Calibrate Motor Current Demand Setting .....57
To Prevent Accidental Start-Up ..............57
Check Machine Operating Conditions ........57
Instruct the Operator ........................57
• COOLER-CONDENSER
• OPTIONAL STORAGE TANK AND
PUMPOUT SYSTEM
• MOTOR COMPRESSOR ASSEMBLY
• MOTOR COMPRESSOR LUBRICATION SYSTEM
• COMPRESSOR LUBRICATION SYSTEM
• OIL SEPARATION SYSTEM
• CONTROL SYSTEM
• AUXILIARY EQUIPMENT
• DESCRIBE MACHINE CYCLES
• REVIEW MAINTENANCE
• SAFETY DEVICES AND PROCEDURES
• CHECK OPERATOR KNOWLEDGE
• REVIEW THE START-UP, OPERATION,
AND MAINTENANCE MANUAL
OPERATING INSTRUCTIONS ...............58-60
Operator Duties .............................58
Prepare the Machine for Start-Up ............58
To Start the Machine ........................58
Check the Running System ..................58
To Stop the Machine ........................58
After Limited Shutdown .....................58
Extended Shutdown .........................58
After Extended Shutdown ...................58
Cold Weather Operation .....................59
Slide Valve Operation .......................59
Refrigeration Log ...........................59
PUMPOUT AND REFRIGERANT TRANSFER
PROCEDURES ..........................61-63
Preparation .................................61
Operating the Optional Pumpout
Compressor ..............................61
• TO READ REFRIGERANT PRESSURES
Page
Machines with Storage Tanks ................61
• TRANSFER REFRIGERANT FROM
STORAGE TANK TO MACHINE
• TRANSFER THE REFRIGERANT FROM
MACHINE TO STORAGE TANK
Machines with Isolation Valves ..............62
• TRANSFER ALL REFRIGERANT TO
COOLER/COMPRESSOR VESSEL
Return Refrigerant to Normal Operating
Conditions ................................63
GENERAL MAINTENANCE .................63,64
Refrigerant Properties .......................63
Adding Refrigerant ..........................63
Removing Refrigerant .......................63
Adjusting the Refrigerant Charge ............63
Refrigerant Leak Testing ....................63
Refrigerant Leak Rate .......................64
Test After Service, Repair, or Major Leak .....64
• REFRIGERANT TRACER
• TO PRESSURIZE WITH DRY NITROGEN
Repair the Refrigerant Leak, Retest, and
Apply Standing Vacuum Test ..............64
Trim Refrigerant Charge .....................64
WEEKLY MAINTENANCE ....................64
Check the Lubrication System ...............64
SCHEDULED MAINTENANCE ..............64-68
Service Ontime .............................64
Inspect the Control Center ...................64
Check Safety and Operating Controls
Monthly ..................................64
Changing Oil and Oil Filter ..................64
• FRAME 1 AND 2 MACHINES
• FRAME 4 MACHINES
Oil Specification ............................66
Oil Separator Coalescer .....................66
Refrigerant Filter/Drier .......................66
Refrigerant Strainers ........................66
Inspect Refrigerant Float System ............66
Inspect Relief Valves and Piping .............66
Compressor Bearing Maintenance ...........66
Compressor Rotor Check ....................66
Inspect the Heat Exchanger Tubes ...........66
• COOLER
• CONDENSER
Water Leaks ................................67
Water Treatment ............................67
Inspect the Starting Equipment ..............67
Check Pressure Transducers ................67
Optional Pumpout System Maintenance ......67
• OPTIONAL PUMPOUT COMPRESSOR OIL
CHARGE
• OPTIONAL PUMPOUT SAFETY
CONTROL SETTINGS
Ordering Replacement Chiller Parts ..........68
TROUBLESHOOTING GUIDE ..............68-102
Overview ...................................68
Checking the Display Messages .............68
Checking Temperature Sensors ..............68
• RESISTANCE CHECK
• VOLTAGE DROP
• CHECK SENSOR ACCURACY
• DUAL TEMPERATURE SENSORS
Checking Pressure Transducers .............68
• TRANSDUCER REPLACEMENT
Control Algorithms Checkout Procedure .....69
3
- Instructions 1
- CONTENTS 2
- CONTENTS (cont) 3
- FRONT VIEW 5
- REAR VIEW 5
- STARTING EQUIPMENT 11
- CONTROLS 13
- Controls Definitions 13
- Fig. 20 — 23XL Menu Structure 19
- PIC System Functions 22
- Table 3 — LID Screens 24
- LEAD/LAG CONFIGURATION SCREEN 26
- Table 3 — LID Screens (cont) 26
- Flow Switch (Field Supplied) 30
- Fig. 24 and 25) — 32
- Lead/Lag Control 33
- Ice Build Control 34
- START-UP/SHUTDOWN/ 37
- RECYCLE SEQUENCE (Fig. 28) 37
- Local Start-Up — 37
- (Frame 1 and 2 Machines) 44
- (Frame 4 Machines) 45
- Inspect Wiring 49
- Check Starter 49
- NOTE: Adjustments: 51
- 60 seconds 51
- Compressor — 55
- INITIAL START-UP 56
- Preparation — 56
- Check Rotation 56
- PUMPOUT AND REFRIGERANT 61
- TRANSFER PROCEDURES 61
- LEGEND FOR TABLE 10, A - N 70
- D. PRE-START FAILURES 71
- E. NORMAL OR AUTO.-RESTART 71
- F. START-UP FAILURES 72
- L. MACHINE ALERTS 76
- Control Modules 80
- Notes on Module Operation 80
- FLT — Fault LED 84
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