User Manuals: McQuay AGZ050BS Air-Cooled Scroll Chiller

Manuals and User Guides for McQuay AGZ050BS Air-Cooled Scroll Chiller. We have 1 McQuay AGZ050BS Air-Cooled Scroll Chiller manual available for free PDF download: Installation, Operation And Maintenance Manual

McQuay AGZ050BS Installation, Operation And Maintenance Manual

McQuay AGZ050BS Installation, Operation And Maintenance Manual (106 pages)

Air-Cooled Scroll Compressor Chiller

Brand: McQuay | Category: Chiller | Size: 5 MB

Table of Contents

Installation, Operation and Maintenance Manual

2
- Table of Contents
  2
- Introduction
  
  3
  - General Description
    3
  - Inspection
    3
  - Nomenclature
    3
- Installation
  
  4
  - Handling
    4
  - Location
    5
  - Vibration Isolators
    12
  - Ambient and Water Flow Limitations
    14
  - Water Piping
    14
  - Flow Switch
    16
  - Water Connections
    17
  - System Water Volume Considerations
    17
  - Variable Speed Pumping
    17
  - Glycol Solutions
    17
  - Evaporator Flow and Pressure Drop
    21
  - Wind Baffles and Hail Guards
    23
- Optional Features
  
  25
- Physical Data
  
  28
- Electrical Data - Standard Ambient
  
  33
- Electrical Data - High Ambient
  
  43
- Dimensional Data
  
  51
Microtech II Controller

54
- Controller Section Table of Contents
  54
- General Description
  55
  - Inputs/Outputs
    55
- Overview
  55
- Setpoints
  57
- Shutdown Alarms
  58
- Logging
  59
  - Limit Alarms
    59
- Control Logic
  60
- Chilled Water Pump Control
  61
- Compressor Control
  61
- Condenser Fan Control
  65
- Optional Low Ambient VFD
  67
- Using the Controller
  68
  - Using the Controller
    77
  - Getting Started
    77
  - Menu Screens
    78
  - Menu Matrix
    80
  - View Screens Defined
    81
  - Alarm Screens Defined
    84
  - Set Screens Defined
    84
- Startup
  
  91
  - Pre Start-Up
    91
  - Shutdown
    92
  - Water Piping Checkout
    92
  - Refrigerant Piping Checkout
    92
  - Electrical Check out
    93
- Operation
  
  93
  - Hot Gas Bypass (Optional)
    93
  - VFD Low Ambient Control (Optional)
    94
  - Filter-Driers
    94
  - System Adjustment
    94
  - Liquid Line Sight Glass
    94
  - Refrigerant Charging
    95
  - Thermostatic Expansion Valve
    95
  - Crankcase Heaters
    95
  - Evaporator
    95
- Unit Maintenance
  
  96
  - Preventive Maintenance Schedule
    97
- Service
  
  98
  - Liquid Line Solenoid Valve
    98
  - Evaporator
    99
  - Refrigerant Charging
    99
- Warranty Statement
  
  100
- AGZ Troubleshooting Chart
  
  101

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