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Trane RTAF-SVX001K-EN - Page 5

Trane RTAF-SVX001K-EN
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Table of Contents
RTAF-SVX001K-EN 5
BACnet® Building Automation Control Net-
work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Modbus Automation Control Network . . 52
LonTalk® Building Automation System . 52
Operating Principles . . . . . . . . . . . . . . . . . . . . 53
Refrigerant Circuit . . . . . . . . . . . . . . . . . . . . 53
Refrigerant Cycle . . . . . . . . . . . . . . . . . . . . . 53
Refrigerant and Oil . . . . . . . . . . . . . . . . . . . . 53
Compressor and Lube Oil System . . . . . . 53
Condenser and Fans . . . . . . . . . . . . . . . . . . 53
Evaporator . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Refrigerant Management . . . . . . . . . . . . . . 54
Mechanical Cooling Mode . . . . . . . . . . . . 54
Combined Mechanical and
Free-Cooling Mode . . . . . . . . . . . . . . . . . . 54
Free-Cooling Only Mode . . . . . . . . . . . . . 54
Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Symbio 800 . . . . . . . . . . . . . . . . . . . . . . . . . . 55
AdaptiView Display . . . . . . . . . . . . . . . . . 55
Tracer TU . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Integrated Rapid Restart . . . . . . . . . . . . . 56
Pre-Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Start-Up and Shutdown . . . . . . . . . . . . . . . . . 58
Unit Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . 58
Temporary Shutdown And Restart . . . . . . 58
Extended Shutdown Procedure . . . . . . . . . 58
Seasonal Unit Start-Up Procedure . . . . . . 59
System Restart After Extended Shutdown 59
Sequence of Operation . . . . . . . . . . . . . . . . 60
Software Operation Overview . . . . . . . . . 60
Timelines . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Power Up Diagram . . . . . . . . . . . . . . . . . . 61
Power Up to Starting . . . . . . . . . . . . . . . . 62
Stopped to Starting . . . . . . . . . . . . . . . . . 63
Running (Lead Compr/Circuit Start - Run) 64
Running (Lag Compr/Circuit Start - Run) 65
Satisfied Setpoint . . . . . . . . . . . . . . . . . . . 66
Unloading Unstaging . . . . . . . . . . . . . . . . 67
Normal Shutdown to Stopped or Run Inhibit
68
Immediate Shutdown to Stopped or Run In-
hibit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
Ice Making (Running to Ice Making to Run-
ning) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
Ice Making (Auto to Ice Making to Ice Making
Complete) . . . . . . . . . . . . . . . . . . . . . . . . . .71
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
Recommended Maintenance . . . . . . . . . . . .72
Weekly . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
Monthly . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
Annual . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
Refrigerant and Oil
Charge Management
. . . . . . . . . . . . . . . . . . .73
Lubrication System . . . . . . . . . . . . . . . . . . . .73
Oil Sump Level Check . . . . . . . . . . . . . . . .73
Travel Restraint . . . . . . . . . . . . . . . . . . . . . . .74
Microchannel Condenser Coils . . . . . . . . . .74
Coil Cleaning . . . . . . . . . . . . . . . . . . . . . . .74
Free-Cooling Option Maintenance . . . . . .75
Free-Cooling Fluid Management . . . . . . .76
Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
AFD Diagnostics . . . . . . . . . . . . . . . . . . . . . . .78
Starter Diagnostics . . . . . . . . . . . . . . . . . . . .79
Main Processor Diagnostics . . . . . . . . . . . . .82
Communication Diagnostics . . . . . . . . . . . .92
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
Log and Check Sheets . . . . . . . . . . . . . . . . . . .98

Table of Contents

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