York YVAA Style A Manuals

Manuals and User Guides for York YVAA Style A. We have 1 York YVAA Style A manual available for free PDF download: Installation Operation & Maintenance

York YVAA Style A Installation Operation & Maintenance (184 pages)

Air-Cooled Screw Liquid Chiller

Brand: York | Category: Chiller | Size: 6.25 MB

Table of Contents
5
Section 1 - General Chiller Information and Safety

11
- Introduction
  11
- Warranty
  11
- Quality Assurance and Safety
  12
- Fluorinated Greenhouse Gases
  12
- Responsibility for Safety
  12
- About this Manual
  12
- Misuse of Equipment
  12
Figure 1 - YVAA Air-Cooled Screw Liquid Chiller with Variable Speed Drives

15
Section 2 - Product Description

15
- General System Description
  15
  - Figure 2 - Chiller Control System
    
    16
  - Figure 3 - View of YORK Control Center User Interface
    
    18
  - Accessories and Options
    19
  - Condenser Coils
    19
  - Fan Options
    19
- Condenser
  17
- Electrical
  17
- Evaporator
  17
- Refrigerant Circuit
  17
- Semi-Hermetic YORK Twin-Screw Compressors
  17
- Building Automation System Capabilities
  18
- Microcomputer Control Center
  18
Section 3 - Rigging, Handling, and Storage

23
- Lifting Weights
  23
- Delivery and Storage
  23
- Inspection
  24
- Moving the Chiller
  24
- Unit Removal from Shipping Container
  24
- Lifting Using Lugs
  24
- Lifting Using Shackles
  24
Figure 4 - Lifting Using Lugs

24
Table 1 - Unit Rigging

26
Section 4 - Installation

35
Figure 18 - Thermal Dispersion Flow Switch Connections

49
Figure 19 - Reserved Customer Wiring Entry

50
Figure 20 - Water Box Heater Wiring Box

50
Table 4 - Electrical Lug Data

52
Section 5 - Technical Data

63
Section 6 - Commissioning

97
- Preparation
  97
- Figure 22 - LED Indicator Buttons
  
  98
- Figure 24 - Flow below the Representation Range
  
  99
- Figure 23 - Flow Switch Set
  
  99
- Figure 25 - Flow Exceeds the Representation Range
  
  99
- First Time Startup
  100
- General Operation
  100
Table 11 - Freeze Damage Protection Requirements

101
Section 7 - Operation

103
- Figure 26 - Keyboard and Display
  
  103
- Operating Controls
  103
- Basic Operating Sequence
  105
- Microboard (331-03478-XXX)
  106
- Unit Warning
  106
- Table 12 - Values Required for BAS Communication
  
  111
- Table 13 - Real Time Error Numbers for BAS, SC-EQ or E-Link Communications Card
  
  112
- Figure 28 - LON E-Link Gateway Option
  
  113
- SC-EQ or E-Link BAS Communications Card
  113
- Data Logging
  123
- Program Update
  123
Table 18 - Low Differential Oil Pressure Cutout

128
Table 19 - Discharge Pressure Load Limiting/Unloading

129
Table 20 - Suction Pressure Load Limiting/Unloading

129
Table 21 - Start Inhibit Sensor Thresholds

130
Section 8 - Micropanel

131
- Unit Data Key
  134
- System Data Keys 1 through 4
  136
  - Table 22 - Sensor Min/Max Outputs
    
    138
    
    Table 23 - Compressor Motor Overload Settings
    140
    
    Table 24 - Setpoint Limits
    150
    
    Program Key
    151
    
    Table 25 - Programmable Operating Parameters
    153
    
    Options Key
    154
    
    Date/Time and Schedule Keys
    157
    
    Manual Override Key
    160
    
    Print Key
    161
    
    Table 26 - Printout Types
    161
    
    System Switches Key
    164
  - Operating Hours/Start Counter Key
    141
  - History Key
    142
  - Setpoints Key
    149
- VSD Data Key
  139
Section 9 - Maintenance

165
Table 32 - Outside Air Temperature Sensor Input Voltage (Measured Signal to Shield at the Sensor)

176
Table 33 - Pressure Transducer Output Voltage (Measured Signal to Return at the Transducer)

177
Table 34 - Motor Temperature Sensor Resistance (Check at the Motor)

178
Section 10 - Decommissioning, Dismantling, and Disposal

181
- Table 35 - si Metric Conversion
  
  181
- Temperature
  182
- Notes
  183

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York YVAA Style A Manuals

York YVAA Style A Installation Operation & Maintenance (184 pages)

Table of Contents

Section 1 - General Chiller Information and Safety

Figure 1 - YVAA Air-Cooled Screw Liquid Chiller with Variable Speed Drives

Section 2 - Product Description

Figure 2 - Chiller Control System

Figure 3 - View of YORK Control Center User Interface

Section 3 - Rigging, Handling, and Storage

Figure 4 - Lifting Using Lugs

Table 1 - Unit Rigging

Section 4 - Installation

Table 2 - Minimum Evaporator Tube Removal Clearance

Figure 5 - Acceptable Minimum Clearances Around and between Units

Figure 6 - Two Pass Water Pressure Drop, English Units

Figure 7 - Three Pass Water Pressure Drop, English Units

Figure 9 - Leaving Water Temperature out of Range Suggested Layout

Figure 8 - Pipework Arrangement

Figure 12 - Grooved Nozzle

Figure 11 - Suggested Layout for Applications with a Flow Rate Greater than the Evaporator Maximum

Figure 10 - Suggested Layout for Applications with a Flow Rate Less than the Evaporator Minimum

Table 3 - Evaporator Connections Dimensions

Figure 18 - Thermal Dispersion Flow Switch Connections

Figure 19 - Reserved Customer Wiring Entry

Figure 20 - Water Box Heater Wiring Box

Table 4 - Electrical Lug Data

Section 5 - Technical Data

Table 5 - Physical Data - Microchannel Coil

Table 6 - Physical Data - Round Tube Coil

Table 7 - Optional One-Pass Evaporator

Table 8 - Standard Two-Pass, Rear Inlet/Outlet Evaporator

Table 9 - Optional Three-Pass Rear Inlet/Front Outlet Evaporator

Figure 21 - YVAA Dimensions

Table 10 - Isolator Selection and Mounting Locations

Section 6 - Commissioning

Figure 22 - LED Indicator Buttons

Figure 24 - Flow below the Representation Range

Figure 23 - Flow Switch Set

Figure 25 - Flow Exceeds the Representation Range

Table 11 - Freeze Damage Protection Requirements

Section 7 - Operation

Figure 26 - Keyboard and Display

Figure 27 - New 331-03478-XXX Microboard

Table 12 - Values Required for BAS Communication

Table 13 - Real Time Error Numbers for BAS, SC-EQ or E-Link Communications Card

Figure 28 - LON E-Link Gateway Option

Table 14 - YVAA Native Communications Data Map

Table 15 - YVAA Operational and Fault/Inhibit Codes

Table 16 - YVAA E-Link Communications Data Map

Table 17 - Flash Card Update Error XXXXX

Table 18 - Low Differential Oil Pressure Cutout

Table 19 - Discharge Pressure Load Limiting/Unloading

Table 20 - Suction Pressure Load Limiting/Unloading

Table 21 - Start Inhibit Sensor Thresholds

Section 8 - Micropanel

Table 22 - Sensor Min/Max Outputs

Section 9 - Maintenance

Table 27 - Troubleshooting Guide

Table 28 - R-134A Pressure to Saturated Temperature Conversion

Table 32 - Outside Air Temperature Sensor Input Voltage (Measured Signal to Shield at the Sensor)

Table 33 - Pressure Transducer Output Voltage (Measured Signal to Return at the Transducer)

Table 34 - Motor Temperature Sensor Resistance (Check at the Motor)

Section 10 - Decommissioning, Dismantling, and Disposal

Table 35 - si Metric Conversion

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