Trane Thermafit MWC 80 Modular Chiller Manuals

Manuals and User Guides for Trane Thermafit MWC 80 Modular Chiller. We have 1 Trane Thermafit MWC 80 Modular Chiller manual available for free PDF download: Installation, Operation And Maintenance Manual

Trane Thermafit MWC 80 Installation, Operation And Maintenance Manual

Trane Thermafit MWC 80 Installation, Operation And Maintenance Manual (92 pages)

Modular Water-Cooled Chiller / Water-to-Water Heat Pump

Brand: Trane | Category: Heat Pump | Size: 12 MB

Table of Contents

Table of Contents
4
Model Number and Coding

6
- Chiller/Heat Pump Model and Serial
  6
- Numbers
  6
- Model Number
  6
- Model Coding Key
  6
Chiller/Heat Pump Description

7
General Data

9
- Unit Dimensions and Weights
  11
Pre-Installation

13
- Unit Connections
  13
- Site Preparation and Clearances
  13
  - Chiller/Heat Pump Clearances
    13
  - Minimum Clearances
    13
  - Service Access
    13
- Mounting Rails
  13
A2L Work Procedures

15
- Servicing
  15
  - Ignition Source Mitigation
    15
  - Ventilation
    15
  - Refrigerating Equipment
    15
  - Electrical Devices
    15
- Leak Detection
  16
- Refrigerant Removal and Evacuation
  16
- Refrigerant Charging
  16
- Decommissioning
  17
Installation Mechanical

18
- Inspect and Report Damage
  18
  - Inspection of Delivered Equipment
    18
  - Warranty Issues
    18
- Long Term Storage Requirements
  18
  - Factory Preparation
    18
  - Customer Responsibilities
    19
- Handling of the Modules
  19
- Rigging, Lifting, and Moving the Chiller
  20
- Heat Pump
  20
Installation Piping

21
- Install Piping and External
  21
- Components
  21
- Initial Flushing of Piping
  21
  - Fill with Water/Glycol Solution
    21
Installation Electrical

22
- Connecting Module Power and Control
  22
- Wires
  22
  - Power
    22
  - Phase Monitor Installation
    22
  - Optional Disconnect Switch
    22
  - Module Control Wiring
    23
Operating Principles

24
- Refrigeration Circuits
  24
- Refrigeration Cycle
  24
- Refrigerant R-454B
  24
- Compressor and Oil System
  24
- Evaporator and Condenser (MWC)
  24
- Load and Source/Sink Brazed Plate Heat Exchanger (WXM)
  24
- Heat Recovery (MWC)
  24
Operating Procedures

26
- Operator Interface
  26
  - Chiller/Heat Pump Power Panels
    26
  - Switch
    26
  - Power Distribution Panels
    26
  - Panel
    27
  - Electronic Control
    27
  - Controllers
    28
  - Operating the Microprocessor
    28
  - Microprocessor Functions
    28
  - Password Protection
    28
  - Operator Control
    28
  - Touchscreen Interface Panel
    29
- Touchscreen Interface Tutorial
  30
- Interface Menu Structure
  30
- Home Screen Features
  30
- Modules Layout Screen
  34
  - Conditions
    34
  - Active Alarms Screen
    35
  - Alarm History
    36
  - Module Access
    38
  - Overview Module Screen
    38
  - Overview Module
    39
  - Overview Circuits
    40
- Module I/O Screens
  42
  - Digital Leds
    42
  - MWC Analog Inputs
    42
  - WXM Analog Inputs
    43
  - MWC Analog Outputs
    43
  - WXM Analog Outputs
    43
  - MWC Digital Inputs
    43
  - WXM Digital Inputs
    44
  - MWC Digital Outputs
    44
  - WXM Digital Outputs
    44
  - MWC Expansion I/O Screens
    44
  - WXM Expansion I/O Screens
    45
  - Trend Screen
    46
  - Setup Screen
    48
- Operator Tasks
  48
  - Normal Power up
    48
- Emergency Power Shutdown
  49
- Water Quality Guidelines
  49
- Monitor Water Quality
  49
  - Maintain Glycol Level
    50
  - Prevent Freezing
    50
Controls Interface

52
- Microprocessor Control System
  52
  - Primary Microprocessor Controller
    52
  - Controller
    52
  - Touchscreen Interface Panel
    52
  - Operator Control and Monitoring
    52
- Chiller/Heat Pump Control
  52
  - Power Distribution
    52
  - Electrical Controls
    53
  - Refrigeration Controls
    54
Sequence of Operations

56
- Constant Flow Sequence
  56
  - MWC Constant Flow Sequence
    56
  - MWC Variable Flow Sequence
    56
- WXM Operations
  57
Start-Up

59
- Preparation for Initial Start-Up
  59
  - Initial Start-Up
    59
Maintenance Procedures

62
- Maintenance Strategy
  62
- Power Disconnect Switch
  62
  - Federal Clean Air Act
    63
- Inspection and Maintenance Schedule
  63
  - Daily
    63
  - Weekly
    64
  - Monthly
    64
  - Quarterly
    64
  - Annually
    65
- Maintenance Tasks
  66
  - Inspection Methods
    66
  - Critical Cleaning Tasks
    66
  - Pump Tasks
    67
  - Controller Tasks
    69
Chiller/Heat Pump Troubleshooting

70
Optional Variable Frequency Drive

81
- Local Control Panel (LCP
  81
- Warnings and Alarms
  82
  - Warnings
    82
  - Alarms/Trips
    82
  - Warning and Alarm Displays
    83
  - Warning and Alarm Definitions
    83
Request for Initial Start-Up

90
- MWC and WXM Chiller/Heat Pump
  90
- Initial Startup Agreement
  91

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