McQuay AGZ 050AS Manuals

Manuals and User Guides for McQuay AGZ 050AS. We have 1 McQuay AGZ 050AS manual available for free PDF download: Installation And Operation Manual

McQuay AGZ 050AS Installation And Operation Manual

McQuay AGZ 050AS Installation And Operation Manual (88 pages)

Air-Cooled Global Chiller

Brand: McQuay | Category: Chiller | Size: 1 MB

Table of Contents

Table of Contents
2
Introduction

3
- General Description
  3
- Inspection
  3
Installation

4
- Handling
  4
- Location
  5
- Service Access
  5
- Vibration Isolators
  6
- Water Piping
  7
- Flow Switch
  9
- Water Connections
  9
- Refrigerant Charge
  9
- Superheat and Subcooling
  9
- Glycol Solutions
  10
- Evaporator Water Flow and Pressure Drop
  11
Physical Data

13
Electrical Data

16
- Field Wiring
  16
Dimensional Data

28
AGZ Unit Check-Out

29
- Water Piping Checkout
  29
- Refrigerant Piping Checkout
  29
- Electrical Check out
  29
- AGZ Troubleshooting Chart
  30
Global UNT Controller Installation and Operation

31
- General Description
  31
- Optional Sensors
  31
- Pre Start-Up
  31
- Start-Up
  31
- Shutdown
  32
- Sequence of Operation
  33
- Standard Controller Setpoints (Optional Zone Terminal Required to Change Values)
  33
- Software Description (Global UNT Interface Kit Required to Read or Change Variables)
  34
- Hot Gas Bypass (Optional)
  34
- Combination Filter Drier
  35
- System Adjustment
  35
- Liquid Sightglass and Moisture Indicator
  35
- Refrigerant Charging
  35
- Thermostatic Expansion Valve
  35
- Crankcase Heaters
  36
- Water Cooler
  36
- Controller Inputs /Outputs
  38
- Additional Global UNT Controller Features41
  41
- Soft Start
  42
- Alarms
  43
- Head Pressure Control
  43
- ZONE TERMINAL (Optional)
  44
- Operating Modes
  45
- Zone Terminal Glossary
  48
- Global UNT Controller Troubleshooting Chart
  50
Microtech Controller Installation and Operation

51
- General Description
  51
- Optional Sensor Packages
  51
- Installation
  51
  - Interlock Wiring
    52
  - Chilled Water Flow Switch
    53
  - Manual Operation
    58
- Sequence of Operation
  60
- Start-Up and Shutdown
  62
- Keypad / Display
  63
- Menu Descriptions
  66
- Trouble Analysis for the AGZ Microtech Controller
  77
- Test Procedures
  80

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