York YVWA Manuals

Manuals and User Guides for York YVWA. We have 2 York YVWA manuals available for free PDF download: Installation Operation & Maintenance, Manual

York YVWA Installation Operation & Maintenance (156 pages)

WATER-COOLED SCREW LIQUID CHILLERS, SINGLE COMPRESSOR 50 HZ AND 60 HZ, 125 - 200 TON, 440 - 700 KW

Brand: York | Category: Chiller | Size: 12.88 MB

Table of Contents
5
Section 1 - General Chiller Information and Safety
11
- Introduction
  11
- About this Manual
  11
- Warranty
  11
- Quality Assurance
  11
- Fluorinated Greenhouse Gases
  12
- Responsibility for Safety
  12
- Misuse of Equipment
  12
- FIGURE 1 - Emergency Shutdown Handle
  13
Section 2 - Product Description
15
Section 3 - Handling, Storage, Installation and Reassembly
23
Section 4 - Technical Data
65
Section 5 - Commissioning
77
- Preparation
  77
- First Time Start-Up
  77
Section 6 - Operation
83
- Operating Controls
  83
- FIGURE 45 - Keypad and Display
  83
- Basic Operating Sequence
  84
- FIGURE 46 - Control Operation
  85
- TABLE 28 - Load Limiting Values
  86
- User Interface
  88
- FIGURE 47 - Status Key
  89
- Fault Messages
  91
- Microboard (331-03478-XXX)
  91
- FIGURE 48 - New 331-03478-XXX Microboard
  92
- Program Update
  93
- TABLE 29 - Flash Card Update Error XXXXX
  93
- Data Logging
  94
- TABLE 30 - Data Logging
  94
- TABLE 31 - Unit Warnings
  95
- TABLE 32 - Unit Safeties (Faults)
  97
- TABLE 33 - System Safeties (Faults)
  99
- TABLE 34 - HPCO Mechanical Cutouts
  101
- TABLE 35 - Timer Settings
  101
- FIGURE 49 - Unit Data Key
  104
- FIGURE 50 - System Data Key
  105
- TABLE 36 - Sensor Minimum/Maximum Outputs
  106
- FIGURE 51 - VSD Data and Operating Hours/Start Counter Keys
  107
- FIGURE 52 - History Key
  108
- FIGURE 53 - Setpoints Key
  110
- FIGURE 54 - Setpoint High and Low Limits Defined by Control Range (CR)
  111
- TABLE 37 - Setpoint Values
  111
- FIGURE 55 - Program Key
  112
- TABLE 38 - Program Limits
  113
- TABLE 39 - Setup Mode Programmable
  116
- FIGURE 57 - Date/Time and Schedule Key
  120
- FIGURE 58 - Manual Override and Print Key
  122
- FIGURE 59 - Printer Cable Connection from YVWA Chiller to a Computer
  122
- Acceptable Printers
  123
- Printer Connections
  123
- Printer Setup
  123
- FIGURE 60 - Printer Cable Connection from YVWA Chiller to a Serial Printer
  123
- TABLE 40 - Okidata OKIPOS 441
  123
- Printing a Report
  124
- TABLE 41 - Printout Types
  124
- FIGURE 61 - Sample Printout
  125
- FIGURE 62 - System Switches and Service Keys
  127
- BAS Communications
  128
- FIGURE 63 - E-Link Gateway Option
  128
- TABLE 42 - Real Time Number Errors
  129
Section 7 - Maintenance
131
- General Requirements
  131
- TABLE 43 - Operation/Inspection /Maintenance Requirements for YVWA Chillers
  131
- Daily Operating Inspections
  132
- Compressor Oil
  132
- TABLE 44 - Compressor Oil Limits
  133
- FIGURE 64 - Charging Oil
  134
- Oil Filter Replacement
  135
- FIGURE 65 - Oil Filter Assembly
  135
- FIGURE 66 - Oil Eductor Assembly
  136
- Refrigerant Charging
  137
- Handling Refrigerant for Dismantling and Repairs
  137
- Checking System for Leaks
  138
- Refrigerant Leak Checking
  138
- Pressure Connections
  138
- FIGURE 67 - Motor Windings Diagram
  138
- Testing for Evaporator and Condenser Tube Leaks
  139
- Evacuation and Dehydration of Unit
  140
- TABLE 45 - System Pressures
  140
- FIGURE 68 - Saturation Curve
  141
- Condensers and Evaporators Maintenance
  142
- Cleaning Evaporator and Condenser Tubes
  142
- Compressor Maintenance
  144
- Electrical Controls
  144
Section 8 - Troubleshooting
147
Section 9 - Decommissioning, Dismantling, and Disposal
153
- Temperature
  154
- TABLE 50 - si Metric Conversion
  154

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Water-Cooled Variable Speed Screw Chiller

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