McQuay TGZ 050A Water Heater Manuals

Manuals and User Guides for McQuay TGZ 050A Water Heater. We have 1 McQuay TGZ 050A Water Heater manual available for free PDF download: Operation And Maintenance Manual

McQuay TGZ 050A Operation And Maintenance Manual

McQuay TGZ 050A Operation And Maintenance Manual (84 pages)

Scroll Compressor Templifiers, Packaged Water Heaters

Brand: McQuay | Category: Water Heater | Size: 1 MB

Table of Contents

Table of Contents
2
Introduction

3
- General Description
  3
- Nomenclature
  3
Water Pressure Drop

3
- TGZ Scroll
  4
TGZ Electrical Data

7
Field Wiring Diagram

16
Start-Up and Shutdown

18
- Pre Start-Up
  18
- Start-Up
  18
- Weekend or Temporary Shutdown
  19
- Start-Up after Temporary Shutdown
  19
- Extended Shutdown
  19
- Start-Up after Extended Shutdown
  19
Sequence of Operation

20
Microtech II Controller

23
- TGZ Controller Software Version
  23
- General Description
  23
Inputs and Outputs

25
- Large PCO2/PCO3 Controller
  25
- Expansion I/O Controller
  27
- Setpoints
  27
Events & Alarms

30
- Protection (Shutdown) Alarms
  30
Alarms and Events

30
- Unit Stop Alarms
  30
- Limit Events
  34
Controller Operation

37
- EXV Control
  52
Using the Controller

53
- Menu Screens
  55
- Menu Descriptions
  55
- BAS Interface
  72
Optional Controls

74
System Maintenance

76
- General
  76
- Electrical Terminals
  77
- Operating Limits
  77
- Compressor Oil
  77
- Oil Equalization
  78
- Sightglass and Moisture Indicator
  78
- Crankcase Heaters
  78
System Service

79
- Filter-Driers
  79
- Liquid Line Solenoid Valve
  79
Troubleshooting Chart

80

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