TABLE OF CONTENTS
MANUAL INDEX
PAGE
1.0 INTRODUCTION
...................................................................................................................................................................
3
2.0 GENERAL INFORMATION
2.1
SAMPLE NOMENCLATURE
................................................................................................................................................. 4
2.2
RECEIVING, INSPECTION AND PACKAGING
........................................................................................................................ 4
2.3
RIGGING AND UNCRATING
................................................................................................................................................. 5
2.4
LIMITATIONS
...................................................................................................................................................................... 5
3.0 INSTALLATION
3.1
FOUNDATION
..................................................................................................................................................................... 6
( i.)
Provide A Separate Floating Plinth.................................................................................................................................. 6
( ii.) Place The Unit On A Minimum 2½” Thick Cork Sheet ........................................................................................................ 7
( iii.) Support The Complete Unit On Spring Isolators. Request Factory To Provide
Correct Spring Isolators And Mounting Brackets At Base Units............................................................................................ 7
3.2
LOCATIONS
....................................................................................................................................................................... 7
3.3
CLEARANCE
...................................................................................................................................................................... 7
Figure 3.3A: For Units With Single Side Return Air, WCPS 68B To 570B ...................................................................................... 8
Figure 3.3B: For Units With Single Side Return Air, WCPS 640B To 1520B ................................................................................... 9
3.4
UNPACKING AND UNCRATING
.......................................................................................................................................... 10
3.5
BLOWER SECTION
........................................................................................................................................................... 10
3.5.1 Discharge Pattern
.................................................................................................................................................... 10
3.5.2 Duct Connections
.................................................................................................................................................... 10
Figure 3.5.1: Blower Discharge Pattern .......................................................................................................................... 11
Figure 3.5.2: Suggested Method For Connecting Supply Duct To Twin Blower Unit .............................................................. 12
3.6
EVAPORATOR SECTION
................................................................................................................................................... 12
Figure 3.6: Condensate Drain Trap ....................................................................................................................................... 12
3.7
CONDENSER SECTION
..................................................................................................................................................... 13
3.8
COOLING TOWER
............................................................................................................................................................ 13
Figure 3.8A: Cooling Tower Water Piping Schematic ............................................................................................................... 14
Figure 3.8B: Unit Control On Water Flow ............................................................................................................................... 14
Figure 3.8C: Alternate Unit Control On Water Flow .................................................................................................................. 14
4.0 OPERATION
4.1
SYSTEMS CAPACITY
........................................................................................................................................................ 15
4.2
SYSTEM WATER FLOW
.................................................................................................................................................... 15
4.3
TEMPERATURE CONTROL
................................................................................................................................................ 15
4.4
TEMPERATURE SETTING
................................................................................................................................................. 16
4.5
PHASE ROTATION
............................................................................................................................................................ 16
4.6
CYCLE LIMIT RATE
........................................................................................................................................................... 16
4.7
HOT GAS BYPASS
............................................................................................................................................................ 16
4.8
REFRIGERANT CIRCUIT AND COMPONENTS
..................................................................................................................... 17
Figure 4.8: Typical Refrigerant Piping And Components ........................................................................................................... 17
4.9
TYPICAL OPERATING SEQUENCE FLOW CHART
............................................................................................................... 18
4.10 START UP CHECKLIST
..................................................................................................................................................... 19
4.11 TYPICAL WIRING SCHEMATIC WITHOUT STARTER
........................................................................................................... 20
4.12 TYPICAL WIRING SCHEMATIC WITH DOL
.......................................................................................................................... 20
4.13 TYPICAL WIRING SCHEMATIC WITH AUTOTRANS
............................................................................................................. 21
5.0 MAINTENANCE
5.1
GENERAL
........................................................................................................................................................................ 22
5.2
SCHEDULE OF INSPECTION AND MAINTENANCE
.............................................................................................................. 22
5.2.1 Monthly Inspection And Maintenance
........................................................................................................................ 22
5.2.2 Three Monthly Inspection And Maintenance
............................................................................................................... 22
5.2.3 Annual Inspection And Maintenance
.......................................................................................................................... 22
5.3
CONDENSER MAINTENANCE
............................................................................................................................................ 23
5.3.1 General
.................................................................................................................................................................... 23
5.3.2 Condenser Cleaning
................................................................................................................................................. 23
5.3.3 Tube Replacement
.................................................................................................................................................... 24
5.4
WATER TREATMENT
........................................................................................................................................................ 24
5.5
TIGHTENING OF BEARING SET SCREW
............................................................................................................................ 24
5.6
PULLEY ALIGNMENT
........................................................................................................................................................ 25
5.7
BELT TENSION INSPECTION GUIDE
.................................................................................................................................. 25
5.8
TROUBLE-SHOOTING CHART
........................................................................................................................................... 27
5.9
SAMPLE LOG SHEET
........................................................................................................................................................ 30
