Trane RAUC-IOM-15, Инструкция по установке и обслуживанию

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Section One
About The Manual
Literature Change History ................................................ 2
Overview of Manual ......................................................... 2
Section Two
General Information
Model Number Description .............................................. 4
Unit Nameplate ................................................................ 4
Compressor Nameplate ................................................... 4
Evaporator Barrel Nameplate .......................................... 4
Hazard Identification ........................................................ 4
Unit Description ................................................................ 4
Unit Component “Layout” and “Shipwith” Locations ........ 5
Section Three
Installation
Unit Inspection ................................................................. 6
Unit Clearances ............................................................... 6
Unit Dimensions & Weight Information ............................ 6
Foundation ....................................................................... 6
Rigging ........................................................................... 16
Unit Isolation .................................................................. 16
Leveling the Unit ............................................................ 17
Shipping Fasteners ........................................................ 17
General Unit Requirements ........................................... 19
Refrigerant Piping Requirements ............................... 19
EVP Chilled Water Piping Requirements ................... 19
Main Electrical Power Requirements ......................... 19
Field Installed Control Wiring Requirements ............. 20
Low Voltage Wiring (AC & DC) .................................. 20
Refrigerant Line Components ........................................ 21
Refrigerant Piping ....................................................... 23
Suction Lines .............................................................. 23
Liquid Lines ................................................................ 23
Evaporator Piping ....................................................... 24
Hot Gas Bypass Lines ................................................ 24
Optional Pressure Gauges ......................................... 24
Final Refrigerant Pipe Connections ........................... 25
Brazing Procedures ....................................................... 25
Leak Testing Procedure ................................................. 26
Chilled Water Piping ...................................................... 27
Final Water Piping Connections ................................. 28
Field Installed Power Wiring .......................................... 28
Main Unit Power Wiring .............................................. 28
Power Wire Sizing and Protection Device
Equations .................................................................... 29
Field Installed Control Wiring ......................................... 31
Controls Using 115 VAC ............................................. 31
Controls using 24 VAC ............................................... 31
Controls using DC Analog Input/Outputs ................... 32
Economizer Actuator Circuit ....................................... 32
No System Control ..................................................... 33
Variable Air Volume Control ....................................... 36
Discharge Air Sensor .................................................. 36
Suction Line Thermostat ............................................ 36
Night Setback ............................................................. 36
EVP Chiller Control .................................................... 39
Chilled Water Temperature Sensor ............................ 39
Outside Air Thermostat ............................................... 39
Section Four
System Pre-Start Procedures
System Evacuation Procedures ..................................... 42
Discharge Air Controller Checkout ................................ 44
Discharge Air Sensor Checkout ..................................... 45
Economizer Actuator Checkout ..................................... 46
EVP Chiller Control Checkout ........................................ 46
Chilled Water Sensor Checkout ..................................... 47
Voltage Imbalance ......................................................... 48
Electrical Phasing .......................................................... 48
Section Five
System Start-Up
Sequence of Operation .................................................. 49
Sequence of Operation .................................................. 50
Sequence of Operation .................................................. 51
Low Ambient Damper Adjustment ................................. 52
EVP Chiller Applications ................................................ 52
“Air Over” Evaporator Application .................................. 52
System Airflow Measurement ........................................ 53
Compressor Start-Up ..................................................... 53
Final System Setup ........................................................ 59
Section Six
Service & Maintenance
Compressor Operational Sounds .................................. 61
Scroll Compressor Replacement ................................... 61
Fuse Replacement Data ................................................ 62
Monthly Maintenance ..................................................... 62
Coil Cleaning .................................................................. 63
System operation ........................................................... 63
Index .................................................................................. 64
Table of Contents