Trane SCWM Manuals

Trane SCWM Manuals

Manuals and User Guides for Trane SCWM. We have 1 Trane SCWM manual available for free PDF download: Installation, Operation And Maintenance Manual

Trane SCWM Installation, Operation And Maintenance Manual

Trane SCWM Installation, Operation And Maintenance Manual (92 pages)

Brand: Trane | Category: Industrial Equipment | Size: 6 MB

Table of Contents

Table of Contents
4
Overview

7
- R-410A Compressors
  7
- Modular Self-Contained Unit
  7
- Components
  7
Model Number Description

9
- Modular Self-Contained
  9
General Data

10
Pre-Installation

13
- Receiving
  13
  - Receiving Checklist
    13
  - Ship-Separate Accessories
    13
  - Responsibilities
    13
  - Unit Inspection
    13
  - Exterior Inspection
    13
  - Inspection for Concealed
    13
  - Damage
    13
  - Repair
    14
  - Unpacking
    14
Dimensional Data

15
- Service Clearances
  20
Weights

21
Installation - Mechanical

23
- Unit Handling
  23
- Installation Preparation
  23
- Unit Vibration Isolator Option
  23
- (Isopads)
  23
- Typical Unit Layout
  24
- Installation Summary
  24
  - Condensate Drain Connections
    32
  - General Waterside Recommendations for Cooling
    32
  - Towers
    32
  - Waterside Piping Arrangements
    32
  - Water Temperature
    32
  - Requirements
    32
  - Water Piping Verification
    32
- Refrigerant System
  32
  - Interconnecting Piping
    33
  - Charging
    34
  - Charging and Wiring the Unit
    34
  - Fan Installation
    36
- Duct Connections
  38
  - Final Installation
    38
  - Electrical Installation
    39
  - TD-7 Installation
    39
Installation - Electrical

41
- Unit Wiring Diagrams
  41
- Supply Power Wiring
  41
  - Voltage Range
    41
  - Voltage Imbalance
    41
  - Phase Monitor
    41
  - Control Power
    41
- Selection Procedures
  42
  - Determination of Minimum Circuit
    42
  - Ampacity (MCA)
    42
- Units Only)
  45
  - Sensor Location
    45
  - Installing the Tubing Sensor
    45
- Zone Sensor Option Used for Discharge Air Reset by Space Temperature
  46
  - Zone Temperature Sensor, BAYSENS077 (Optional Item)
    46
- Zone Sensor Installation
  46
  - Mounting Location
    46
  - Mounting the Subbase
    46
  - Wiring
    47
  - Standard Remote Sensor
    47
  - (Baysens077)
    47
Operating Principles

48
- Control Sequences of Operation
  48
  - Occupied/Unoccupied
    48
  - Switching
    48
  - Compressor Lead/Lag
    48
  - Emergency Stop Input
    48
- External Auto/Stop Input
  48
- Local Auto Stop
  48
- Water Flow Control
  48
- Head Pressure Control
  48
- Occupied Fan Operation
  49
- Heat/Cool Mode
  49
- Cooling/Waterside Economizer
  49
Thermostatic Expansion Valve

49
Fan Operation

49
- Supply Air Static Pressure High
  49
- Limit
  49
Compressors

49
- Compressor Oil
  49
- High Pressure Cutout Switch
  50
- 1. Hpc
  50
- Compressor Input/Output
  50
- Module
  50
- Compressor Pressure Sensors
  50
- Temperature
  50
- Fixed Speed Compressor (FS)
  50
- Compressor Safety Circuit
  50
- Variable Speed Compressor
  51
- Compressor Limit Conditions
  51
- Compressor Staging
  52
- Compressor Control
  52
Waterside Components

52
- Water Purge
  52
- Water Piping Options
  52
- Basic Water Piping
  52
- Water Regulating Valve (WRV)
  52
- Optional
  53
- Water Flow Switch Option
  53
- Waterside Economizer Option
  53
- Heat Mode
  53
  - Thermostat
    53
  - Dirty Air Filter Sensor Option
    53
  - Limit
    53
Controls

54
- Unit Controller
  54
- Navigating the TD-7
  57
  - TD-7 Home Screen
    57
- TD-7 Reports
  58
  - Unit Status Report
    58
  - All Points Report
    58
- Starting the Unit
  58
  - Local Auto/Stop Value
    58
  - Setpoint Adjustments
    58
- Unit Setpoints
  59
- Unit Setup
  60
  - Reports
    60
  - Compressor Alarms
    60
  - Fan Alarms
    60
  - General Alarms
    60
- Water Purge
  61
Pre-Startup

62
- Pre-Startup Checklist
  62
- Supply Fan
  62
- Ductwork
  62
- Water-Cooled Unit Piping
  62
- Units with Hydronic Heat
  62
- Electrical
  62
- Components
  62
Startup

63
- Final Refrigerant Charge
  63
- Startup Procedure
  63
  - Instructions
    64
  - Startup Log
    64
Maintenance

65
- Service Access
  65
- Air Filters
  65
Inspecting and Cleaning the Drain

66
Pan

66
Compressors

66
- Scroll Compressor Failure Diagnosis
  66
- And Replacement
  66
Refrigerant System

66
Compressors

69
- Scroll Compressor Failure Diagnosis
  69
- And Replacement
  69
Components

70
- Cleaning Coil Fin
  70
Sequence of Operations

72
- Recognizing Scalebreak®'S Saturation
  72
- Point
  72
- Circulation Pump Setup
  72
- Cleaning Instruction
  73
- Coil
  74
- Piping Components
  74
- Maintenance Periodic Checklists
  75
  - Monthly Checklist
    75
  - Semi-Annual Maintenance
    75
  - Annual Maintenance
    75
Diagnostics

76
- Troubleshooting
  76
  - System Checks
    76

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