York YCAS, Установка, эксплуатация и обслуживание

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5 YORK INTERNATIONAL
FORM 201.19-NM6 (804)
TABLE OF CONTENTS (CONT’D)
SECTION 5 - COMMISSIONING ..................... 40
PREPARATION ........................................................40
PREPARATION – POWER OFF ..............................40
Inspection ....................................................................40
Refrigerant Charge ......................................................40
Valves ..........................................................................40
Compressor Oil............................................................40
Fans..............................................................................40
Isolation/Protection......................................................40
Control Panel ...............................................................40
Power Connections ......................................................40
Grounding....................................................................40
Overloads.....................................................................40
Supply Voltage.............................................................40
Control Transformer ....................................................40
Switch Settings ............................................................41
Compressor Heaters.....................................................41
Water System ...............................................................41
Flow Switch.................................................................41
Temperature sensor(s)..................................................41
Control Supply.............................................................41
Programmed Options...................................................41
Programmed Settings...................................................41
Date and Time..............................................................41
Start/Stop Schedule .....................................................41
Setpoint and Remote Offset.........................................41
FIRST TIME START-UP ...........................................42
Interlocks .....................................................................42
System Switches ..........................................................42
Start-up ........................................................................42
Oil Pressure .................................................................42
Refrigerant Flow..........................................................42
Fan Rotation ................................................................42
Suction Superheat ........................................................42
Expansion Valve .........................................................42
Economizer Superheat ................................................42
Subcooling ...................................................................42
General Operation .......................................................42
SECTION 6 - OPERATION .............................. 44
GENERAL DESCRIPTION.......................................44
START-UP ................................................................44
NORMAL RUNNING AND CYCLING .......................44
SHUTDOWN ............................................................44
FLOW RATE AND PRESSURE DROP CHARTS.....46
GLYCOL CORRECTION .........................................46
GLYCOL CORRECTION FACTORS ................ 46
SECTION 7 - TECHNICAL DATA .................... 46
EVAPORATOR WATER PRESSURE DROP ..........46
PHYSICAL DATA - YCAS R-22 (SI UNITS)..............48
OPERATING LIMITATIONS AND SOUND
POWER DATA..........................................................49
ELECTRICAL DATA..................................................50
MULTIPLE POINT POWER SUPPLY
CONNECTION .........................................................50
ELECTRICAL DATA..................................................52
ELECTRICAL NOTES ..............................................54
ELEMENTARY WIRING DIAGRAM
YCAS0693 - YCAS0953 (3 COMPRESSOR) ..........56
CONNECTION DIAGRAM ELEC. BOX
YCAS0693 - YCAS0953...........................................62
CONNECTION WIRING DIAGRAM .........................64
ELEMENTARY DIAGRAM DXST DIRECT DRIVE
CONTROL CIRCUIT.................................................68
ELEMENTARY WIRING DIAGRAM .........................69
CONNECTION DIAGRAM SYSTEM WIRING ........70
ELEMENTARY WIRING DIAGRAM
YCAS1063 - YCAS1263 (4 COMPRESSOR) ..........72
CONNECTION WIRING DIAGRAM .........................80
ELEMENTARY DIAGRAM DXST DIRECT DRIVE
CONTROL CIRCUIT.................................................86
CONNECTION DIAGRAM SYSTEM WIRING
STANDARD AND REMOTE EVAP UNITS ...............88
COMPRESSOR TERMINAL BOX
SYSTEM 1 THROUGH 4..........................................90
DIMENSIONS – YCAS0693 - YCAS0773 (SI) .........92
DIMENSIONS – YCAS0783 - YCAS0953 (SI) .........94
DIMENSIONS – YCAS1063 (SI) ..............................96
DIMENSIONS – YCAS1093 (SI) ..............................98
DIMENSIONS – YCAS1163 - YCAS1263 (SI) .......100
TECHNICAL DATA .................................................102
WEIGHT DISTRIBUTION AND ISOLATOR
MOUNTING POSITIONS .......................................103
INSTALLATION INSTRUCTIONS FOR VMC SERIES
AWR/AWMR AND CP RESTRAINED
MOUNTINGS.......................................................... 119
REFRIGERANT FLOW DIAGRAM.........................120
PROCESS AND INSTRUMENTATION DIAGRAM.121
COMPONENT LOCATIONS - 3 COMPRESSOR
UNITS.....................................................................122
COMPONENT LOCATIONS - 4 COMPRESSOR
UNITS.....................................................................123
COMPRESSOR COMPONENTS...........................124
SYSTEM STARTUP CHECKLIST ..........................130
UNIT CHECKS (NO POWER) ................................130
PANEL CHECKS (POWER ON – BOTH SYSTEM
SWITCHES “OFF”) ..................................................131
PROGRAMMED VALUES ......................................131
INITIAL START-UP..................................................132
CHECKING SUBCOOLING AND SUPERHEAT ..132
CHECKING ECONOMIZER SUPERHEAT ...........133
LEAK CHECKING...................................................133