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Trane RRU120 D B Series - Table of Contents

Trane RRU120 D B Series
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Table of Contents
RRU-SVX01F-EN 7
Model Number Descriptions . . . . . . . . . . . . . . 8
General Information . . . . . . . . . . . . . . . . . . . . . 9
Overview of Manual . . . . . . . . . . . . . . . . . . . 9
Model Number Description . . . . . . . . . . . . . 9
Unit Clearances . . . . . . . . . . . . . . . . . . . . . . . . . 13
Unit/Curb Dimensions . . . . . . . . . . . . . . . . . . . 14
Unit Service Clearances . . . . . . . . . . . . . . . . . 17
Unit Weight/Rigging . . . . . . . . . . . . . . . . . . . . 18
Rigging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Sequence of Operation . . . . . . . . . . . . . . . . . . 19
Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 19
Power On—Control Input “Occupied” . . . 19
Power On—Control Input “Unoccupied” . 21
Power On—“Emergency Stop” . . . . . . . . . 22
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Supply Ductwork . . . . . . . . . . . . . . . . . . . . . 23
General Unit Requirements . . . . . . . . . . . . 23
Main Electrical Power Requirements . . . . 23
Condensate Drain Configuration . . . . . . . . 24
Filter Installation . . . . . . . . . . . . . . . . . . . . . . 24
Field Installed Power Wiring . . . . . . . . . . . 24
Main Unit Power . . . . . . . . . . . . . . . . . . . . . 24
Compressor Crankcase Heaters . . . . . . . . . 29
RRUCM and ReliaTel Controls . . . . . . . . . . 29
System Configuration and Pre-Start . . . . . . 30
Standard Unit Controller Model UC600 . . 30
Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Compressor Startup . . . . . . . . . . . . . . . . . . 34
Scroll Compressors . . . . . . . . . . . . . . . . . . . 34
Direct Gas-Fired Heating Startup . . . . . . . 35
Final System Setup . . . . . . . . . . . . . . . . . . . . . 42
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Fan Belt Adjustment—Belt Drive Units . . 43
Monthly Maintenance . . . . . . . . . . . . . . . . . 44
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Cooling Season . . . . . . . . . . . . . . . . . . . . . . 44
Heating Season . . . . . . . . . . . . . . . . . . . . . . 44
Coil Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . 46
Refrigerant Capacity Controller Operation and
Adjustment
. . . . . . . . . . . . . . . . . . . . . . . . . . .48
Final Process . . . . . . . . . . . . . . . . . . . . . . . . . .48
Alarms and Troubleshooting . . . . . . . . . . . . .50
Standard Unit Controller Model UC600
(RRUCM)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Central Air Conditioner . . . . . . . . . . . . . . . . .55

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