User Manuals: McQuay AGZ 034BM Scroll Compressor

Manuals and User Guides for McQuay AGZ 034BM Scroll Compressor. We have 1 McQuay AGZ 034BM Scroll Compressor manual available for free PDF download: Installation, Operation And Maintenance Manual

McQuay AGZ 034BM Installation, Operation And Maintenance Manual

McQuay AGZ 034BM Installation, Operation And Maintenance Manual (68 pages)

Air-Cooled Scroll Compressor Water Chillers

Brand: McQuay | Category: Chiller | Size: 4 MB

Table of Contents

Table of Contents

2
- Introduction
  
  3
  - General Description
    3
  - Inspection
    3
  - Installation
    3
  - Handling
    3
  - Location
    4
  - Service Access
    4
  - Vibration Isolators
    6
  - Chilled Water System
    7
  - Water Connections
    9
  - Refrigerant Charge
    9
  - Unit Component Location
    9
  - Glycol Solutions
    10
  - Evaporator Water Flow and Pressure Drop10
    10
- R-407C Units
  
  12
- Control Layout and Operation
  
  14
  - Control Center
    14
- Start-Up and Shutdown
  
  14
  - Pre Start-Up
    14
  - Start-Up
    14
  - Sequence of Operation
    15
- Physical Data
  
  16
  - Agz-Bs, R-22/R-407C
    16
  - Agz-Bm, R-22/R-407C
    18
- Electrical Data
  
  20
  - Field Wiring
    20
- R-22
  
  28
- Dimensions & Weights
  
  28
  - Remote Evaporators
    30
  - ACZ/AGZ Dimensions and Weights
    31
- System Maintenance
  
  32
  - General
    32
  - Lubrication
    32
  - Electrical Terminals
    32
  - Condensers
    32
  - Refrigerant Sight Glass
    32
Standard Microtech II Controller

33
- Table of Contents
  33
- General Description
  34
  - Compressor Motor Description
    34
  - Fantrol Head Pressure Control
    34
  - Inputs/Outputs
    35
  - Setpoints
    35
- Overview
  34
- Equipment Protection Alarms
  38
- Setpoint Security
  38
- Control Functions and Definitions
  39
  - Control Functions
    39
  - Limit Alarms
    39
- Unit Enable
  41
- Unit Mode
  41
  - Unit Mode Selection
    41
- Ice Mode Start Delay
  42
- Power up Start Delay
  42
- Unit State
  42
- Evaporator Water Pump State Control
  43
  - Evaporator Pump State
    43
- Circuit Capacity Overrides
  44
- Condenser Fans
  44
- Low OAT Start
  44
- Compressor Control
  45
- Low Ambient Lockout
  45
- Maximum LWT Rate
  45
- Using the Controller
  48
  - Display and Keyboard
    48
  - Getting Started
    48
- Menu Screens
  49
  - Menu Matrix
    51
  - View Screens Defined
    52
  - Alarm Screens Defined
    54
  - Set Screens Defined
    55
- BAS Interface
  
  61
- Service
  
  62
  - Thermostatic Expansion Valve
    62
  - Filter-Driers
    62
  - Liquid Line Solenoid
    62
  - Optional Controls
    63
  - Troubleshooting Chart
    66

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