Johnson Controls York VERSECON YSWU 025 Manuals

Manuals and User Guides for Johnson Controls York VERSECON YSWU 025. We have 1 Johnson Controls York VERSECON YSWU 025 manual available for free PDF download: Installation Operation & Maintenance

Johnson Controls York VERSECON YSWU 025 Installation Operation & Maintenance

Johnson Controls York VERSECON YSWU 025 Installation Operation & Maintenance (128 pages)

AIR CONDITIONING UNIT

Brand: Johnson Controls | Category: Air Conditioner | Size: 2 MB

Table of Contents

Changeability of this Document

3
Table of Contents

4
List of Tables

9
List of Figures

10
Section 1 - Introduction

11
- About this Manual
  
  11
- Description of Unit
  
  11
- Nomenclature
  
  11
  - Table 1 - Acronym Chart
    11
Section 2 - Installation

13
- Approvals
  
  13
- Limitations
  
  13
- Unit Inspection
  
  13
  - Table 2 - Voltage Limitations
    13
  - Table 3 - Operating Limitations
    13
- Location and Clearances
  
  14
- Rigging and Unit Handling
  
  14
- Factory-Supplied Plenum
  
  17
- Vibration Isolators
  
  17
- Segmented Unit Assembly
  
  17
- Remove Shipping Restraints
  
  18
- Electrical Data
  
  27
  - Field Power Wiring
    27
  - Disconnect
    27
  - Electrical Service Sizing
    27
    
    Mca
    27
    
    Mop
    27
  - Field Control Wiring
    28
    
    Pump Start
    28
    
    Table 8 - Fan Motor Data
    28
    
    Table 9 - Compressor Motor Data
    28
    
    Fan Start
    29
    
    VAV Box Full Open
    29
- Phase Monitor
  
  29
- Ducting
  
  29
  - Supply Air
    29
  - Return Air
    29
    
    Ducted Return
    29
    
    Free Return
    29
- Water Piping
  
  30
  - General
    30
  - Condenser Connections
    30
    
    Cooling Towers
    31
    
    Water Temperature Requirements
    31
    
    Waterside Piping Arrangements
    31
  - Condensate Drain Connections
    31
    
    Static Pressure Transducer Installation (Vav Units Only)
    31
    
    Installation Instructions
    32
    
    Mounting Instructions
    32
    
    Static Pressure Transducer Installation (Flexsys Units Only)
    32
    
    Hot Water Heat
    33
    
    Mixed Air Sensor
    33
    
    Outdoor Air Sensor
    33
    
    Return Air Sensor
    33
    
    Return, Outdoor, Supply Air, and Mixed Air Sensors
    33
    
    Specification
    33
    
    Steam Heat
    33
    
    Steam Piping
    33
    
    Supply Air Sensor
    33
    
    Electric Heat
    34
    
    Filters
    34
    
    Hot Water Piping
    34
  - Section 3 - Start-Up
    35
    
    Crankcase Heaters
    35
    
    Pre-Startup Requirements
    35
    
    Table 10 - Setscrew Torques
    35
    
    Initial Start-Up
    36
    
    Unit Checks - Power Applied
    36
    
    Verifying Compressor Rotation
    36
    
    Leak Checking
    37
    
    Refrigerant Charge
    37
    
    Subcooling
    37
    
    Superheat (R-22)
    37
    
    Table 11 - Temperature/Pressure Chart - Refrigerant R-22
    38
  - Section 4 - Maintenance
    39
    
    Compressors
    39
    
    Fan Bearing Lubrication
    39
    
    Filters
    39
    
    General
    39
    
    Linkages
    39
    
    Oil Analysis
    39
    
    Periodic Maintenance - Monthly
    39
    
    Recommended Lubricant for Fan Bearings
    39
    
    Table 12 - Fan Bearing - Lubrication Intervals
    39
    
    Belt Tension
    40
    
    Motor Bearing Lubrication
    40
    
    Periodic Maintenance - Three to Six Months
    40
- Periodic Maintenance - Yearly
  
  40
  - Entire Unit Inspection
    40
  - Sheave Alignment
    40
  - Table 13 - Belt Tension Data
    40
  - Fig. 3 - Sheave Alignment
    40
  - Belts
    41
  - Belt Replacement
    41
  - Belt Tensioning
    41
  - Filter Drier Replacement
    41
  - Supply Fan
    41
  - Fig. 4 - Belt Tensioning Gauge
    41
  - Fan Motor
    42
  - Fan Shaft Bearings
    42
    
    Mounting Details
    42
    
    Bearing Locking Devices
    43
  - Condenser Coil Cleaning
    43
- Water Pressure Drop Tables
  
  44
Section 5 - Sequence of Operation

47

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