Trane SCWM Series

To Next Page

To Previous Page

PKG-SVX027D-EN

Figure 4. Fan assembly footprint (in mm/inches)

FRONT VIEW

[1384]

54.49

[876]

34.50

[700]

27.56

SIDE VIEW

TOP VIEW

Dimensional Data

Main Page

Table of Contents4
Overview7
R-410A Compressors7
Modular Self-Contained Unit7
Components7
Standard Controls7
TD-7 Touch Screen Display7
Tracer® UC600 Unit Controller7
Optional Controls8
Unit Nameplate8
Model Number Description9
Modular Self-Contained9
General Data10
Pre-Installation14
Receiving14
Receiving Checklist14
Ship-Separate Accessories14
Responsibilities14
Unit Inspection14
Exterior Inspection14
Inspection for Concealed Damage14
Repair15
Unpacking15
Dimensional Data16
Service Clearances22
Weights23
Installation - Mechanical25
Unit Handling25
Installation Preparation25
Unit Vibration Isolator Option25
(Isopads)25
Typical Unit Layout26
Installation Summary28
Condensate Drain Connections35
General Waterside Recommendations35
For Cooling Towers35
Waterside Piping Arrangements35
Water Temperature Requirements35
Water Piping Verification35
Refrigerant System35
Interconnecting Piping36
Preliminary Refrigerant Charging36
Charging and Wiring the Unit37
Fan Installation39
Duct Connections41
Final Installation41
Electrical Installation41
TD-7 Installation42
Installation - Electrical43
Unit Wiring Diagrams43
Supply Power Wiring43
Voltage Range43
Voltage Imbalance43
Phase Monitor43
Control Power43
Selection Procedures44
Determination of Minimum Circuit44
Ampacity (MCA)44
Static Pressure Sensor Installation45
Units Only)45
Sensor Location45
Installing the Tubing Sensor45
Zone Sensor Option Used for Discharge Air Reset by Space Temperature46
Zone Temperature Sensor, BAYSENS077 (Optional Item)46
Zone Sensor Installation46
Mounting Location46
Mounting the Subbase46
Wiring46
Standard Remote Sensor46
(Baysens077)46
Operating Principles48
Control Sequences of Operation48
Occupied/Unoccupied Switching48
Compressor Lead/Lag48
Emergency Stop Input48
External Auto/Stop Input48
Local Auto Stop48
Water Flow Control48
Head Pressure Control48
Water Purge48
Heat/Cool Mode49
Cooling/Waterside Economizer49
Thermostatic Expansion Valve49
Fan Operation49
Limit49
Compressors49
Compressor Oil49
High Pressure Cutout Switch49
1. Hpc50
Compressor Input/Output Module50
Compressor Pressure Sensors50
Compressor Suction Temperature50
Fixed Speed Compressor (FS)50
Compressor Safety Circuit50
Variable Speed Compressor (VS)51
Compressor Limit Conditions51
Compressor Staging52
Compressor Control52
Waterside Components52
Water Purge52
Water Piping Options52
Basic Water Piping52
Water Regulating Valve (WRV)52
Optional52
Water Flow Switch Option52
Waterside Economizer Option53
Heat Mode53
Thermostat53
Dirty Air Filter Sensor Option53
Limit53
Controls54
Unit Controller54
Navigating the TD-757
TD-7 Home Screen57
TD-7 Reports58
Unit Status Report58
All Points Report58
Starting the Unit58
Local Auto/Stop Value58
Setpoint Adjustments58
Unit Setpoints58
Unit Setup60
Reports60
Compressor Alarms60
Fan Alarms60
General Alarms60
Water Purge61
Pre-Startup62
Pre-Startup Checklist62
Supply Fan62
Ductwork62
Water-Cooled Unit Piping62
Units with Hydronic Heat62
Electrical62
Components62
Start-Up63
Final Refrigerant Charge63
Start-Up Procedure63
Instructions64
Start-Up Log64
Maintenance65
Service Access65
Air Filters65
Inspecting and Cleaning the Drain66
Pan66
Compressors66
Scroll Compressor Failure Diagnosis66
And Replacement66
Refrigerant System66
Refrigerant Leak Test Procedure66
Brazing Procedures67
System Evacuation Procedures68
Compressors69
Scroll Compressor Failure Diagnosis69
And Replacement69
Components70
Cleaning Coil Fin70
Sequence of Operations71
Recognizing Scalebreak®'S Saturation71
Point71
Circulation Pump Setup72
Cleaning Instruction73
Coil74
Piping Components74
Maintenance Periodic Checklists74
Monthly Checklist75
Semi-Annual Maintenance75
Annual Maintenance75
Diagnostics76
Troubleshooting76
System Checks76

Trane SCWM Series - Page 17

Table of Contents

Related product manuals