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RAUC-C30, RAUC-C50, RAUC-C60, RAUC-C20, RAUC-C40, RAUC-C25 manual Installation, SS-SVX09A-EN
Models:
RAUC-C20
RAUC-C40
RAUC-C25
RAUC-C30
RAUC-C60
RAUC-C50
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Install
Scroll Compressor Replacement
Warranty
Dimension
Maintenance
Ground Wire
Final System Setup
6RT1 Discharge Air Sensor Assembly
Brazing Procedures
Freezestat Setting
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Image 55
Installation
Field Connection Diagram Notes for all System Control Options
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Contents
Air Cooled Condensing Units and EVP Chillers
June
Installation Operation Maintenance
Remote Split System Units
Responsible Refrigerant Practices
Warnings, Cautions and Notices
Grounding Required
Environmental Concerns
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Table of Contents
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Compressor Nameplate
General Information
Model Number Description
Unit Nameplate
Unit Description
General Information
Evaporator Nameplate
EVP Chiller Applications Only
Unit Clearances
Installation
Unit Inspection
No Step Surface
NOTICE
Unit Dimensions & Weight Information
Installation
Foundation
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Installation
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Installation
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Installation
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Installation
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Installation
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Installation
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Installation
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Installation
Figure 9. BPHE 20 Evaporator Chiller Dimensions
Note All water connections are Victaulic
Figure 10. BPHE 25 Evaporator Chiller Dimensions
Installation
Note: All water connections are Victaulic
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Installation
Figure 11. BPHE 30 Evaporator Chiller Dimensions
Note: All water connections are Victaulic
13.533
Installation
Note: All water connections are Victaulic
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827.2
Installation
Note: All water connections are Victaulic
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Installation
Figure 14. BPHE 60 Evaporator Chiller Dimensions
Note: All water connections are Victaulic
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Installation
Typical Unit Weights & Point Loading Data
Table
Heavy Objects
Rigging
Installation
Heavy Objects
Unit Isolation
Neoprene Isolators
Installation
Leveling the Unit
Installation Spring Isolators
Heavy Objects
Installation
Shipping Fasteners
Compressor Shipping Hardware
Two Manifolded Compressors
Refrigerant Piping Requirements
General Unit Requirements
Installation
Hazardous Voltage
Main Electrical Power Requirements
Hazard of Explosion
EVP Chilled Water Piping Requirements
”No Controls” Units
Ground Wire
Field Installed Control Wiring Requirements
115 Volt Control Wiring All Units
Figure 17. EVP Chiller Piping
Ground Wire
Installation
Grounding Required
Refrigerant Line Components
Low Voltage Wiring AC & DC
Variable Air Volume VAV Units
Constant Volume Units
Thermostatic Expansion Valve TEV
Liquid Line Moisture Indicator Sight Glass
Access Valves Ports
Liquid Line Solenoid Valves
Split System Component Number Definitions
Installation
Suction Line Interconnecting Tubing
Refrigerant Piping
Suction Line Piping
Installation
Installation
Liquid Line Piping
Liquid Line Interconnecting Tubing
Installation
Evaporator Piping
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Optional Pressure Gauges
Final Refrigerant Pipe Connections
Installation
Hazard of Explosion
Brazing Procedures
Hazard of Explosion and Deadly Gases
Installation
Hazard of Explosion
Leak Testing Procedure
Installation
Hazard of Explosion
Installation
Chilled Water Piping
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Figure 21. Evaporator Water-PressureDrop
Installation
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Water Pressure Gauges
Chiller Flow Switch
Water Temperature Sensor
Air Vents
Figure 22. Typical Piping Recommendations
Freezestat
Installation
NOTICE
NOTICE
Final Water Piping Connections
Installation
NOTICE
NOTICE
Field Installed Power Wiring
Installation
NOTICE
Installation
Main Unit Power Wiring
Hazardous Voltage
Installation
Power Wire Sizing and Protection Device
Equations
Calculation #1 MCA, MOP, and RDE
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Installation Calculation #2
Disconnect Switch Sizing DSS
Table 8. Electrical Service Sizing Data
Hazardous Voltage
Field Installed Control Wiring
Controls Using 115 VAC
Installation
EVP Circulating Pump Interlock
Supply Fan Interlock
Control options utilizing an Air Handler
EVP Interlocks EVP Flow control 6S58
Hazardous Voltage
Controls using 24 VAC
Controls using DC Analog Input/Outputs
Installation
Installation
Economizer Actuator Circuit
Table 10. DC Conductors
Hazardous Voltage
Temperature Control Parameters
No System Control
Installation
Refer to Wiring Notes on p.
Installation
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Installation
Installation
Variable Air Volume Control Honeywell W7100A
Discharge Air Sensor Honeywell 6RT3
Ground Wire
Hazardous Voltage
Suction Line Thermostat
Night Setback
Installation
Installation
EVP Chiller Control
Grounding Required
W7100G Discharge Chilled Water Controller
Ground Wire
Installation
Grounding Required
Chilled Water Temperature Sensor Honeywell 6RT2
Ground Wire
Installation
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Outside Air Thermostat 5S57 Field Provided
Installation
Hazardous Voltage
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Installation
Thermostat Checkout
Constant Volume Control Honeywell
Thermostat Wiring
Electronic Zone Thermostat Honeywell T7067
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Installation
Hazardous Voltage
Discharge Air Sensor Honeywell 6RT1
Installation
Table 11. Q667 Switching Subbase
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Installation
Figure 33. 6RT1 Discharge Air Sensor Assembly
Installation
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Hazardous Voltage
System Pre-StartProcedures
Compressor Damage
EVP Chiller Applications
NOTICE
System Evacuation Procedures
System Pre-StartProcedures
NOTICE
System Pre-StartProcedures
Standing Vacuum Test
Figure 34. Typical Vacuum Pump Hookup
Hazardous Voltage
System Pre-StartProcedures
Figure 35. Evacuation Time vs. Pressure Rise
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System Pre-StartProcedures
Figure 36. W7100A Discharge Air Controller
System Pre-StartProcedures
Hazardous Voltage
Discharge Air Sensor Checkout Honeywell Sensor
Economizer Actuator Checkout
System Pre-StartProcedures
System Pre-StartProcedures
EVP Chiller Control Checkout Honeywell W7100G
Hazardous Voltage
System Pre-StartProcedures
Figure 38. W7100G Chilled Water Controller
Chilled Water Sensor Checkout Honeywell Sensor
System Pre-StartProcedures
Hazardous Voltage
Hazardous Voltage
Switch 1S1
Master Energy Control Checkout
System Pre-StartProcedures
Switch 1S1
Zone Thermostat Checkout Honeywell T7067
System Pre-StartProcedures
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Discharge Air Sensor Checkout Honeywell 6RT1
System Pre-StartProcedures
Hazardous Voltage
Resistance
System Pre-StartProcedures
Temperature - Degree F C
Ohms
System Pre-StartProcedures
Voltage Imbalance
Electrical Phasing
Switch 1S1
Economizer Cycle
System Start-Up
Sequence of Operation
VAV W7100A Discharge Air Controller 7U11
Figure 41. W7100A Staging Sequence
Chilled Water Temperature Controller 6U11
System Start-Up
Thermostatic Expansion Valve
System Start-Up
Condenser Fans
Figure 42. W7100G Staging Sequence
System Start-Up
Low Ambient Dampers
Compressor Crankcase Heaters
Pump Down
System Start-Up Low Ambient Thermostats
Live Electrical Components
Hot Gas Bypass Operation
Water
Freezestat Setting
EVP Chiller Applications
System Start-Up
Verifying Proper Supply Fan Rotation
“Air Over” Evaporator Application
Rotating Components
System Airflow Measurement
System Start-Up
Compressor Start-UpAll Systems
Compressor Damage
NOTICE
System Start-Up
Live Electrical Components
Rotating Components
NOTICE
System Start-Up
Subcooling
Measuring Subcooling
Measuring Superheat
System Start-Up
Compressor Oil
Table 13. Pressure Control Switch Settings
Table 15. Minimum starting Ambient Temperature
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Table 15. Minimum starting Ambient Temperature
System Start-Up
Table 16. Compressor Sequence
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System Start-Up
Figure 45. Typical Compressor Locations
Figure 46. Typical Compressor Terminal Block
Figure 47. 20 Ton Pressure Curve
System Start-Up
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Figure 48. 25 Ton Pressure Curve
System Start-Up
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Figure 49. 30Ton Pressure Curve
System Start-Up
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Figure 50. 40 Ton Pressure Curve per Circuit
System Start-Up
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Figure 51. 50 Ton Pressure Curve per Circuit
System Start-Up
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Figure 52. 60 Ton Pressure Curve per Circuit
System Start-Up
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System Start-Up
Final System Setup
Table 17. Recommended Operating Setpoints
System Start-Up
Table 18. Sample Maintenance Log
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At Shutdown
Service & Maintenance
Scroll Compressor Replacement
Compressor Operational Sounds
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Service & Maintenance
Figure 53. Suction Line Filter/Drier Installation
Table 19. Compressor Circuit Breaker Data
Service & Maintenance
Fuse Replacement Data
Monthly Maintenance
Air Handling Equipment
Rotating Components
Coil Cleaning
Condensing Unit
Service & Maintenance
Live Electrical Components
Hazardous Pressures
System operation
Service & Maintenance
ACCESSORIES
WARRANTY AND LIABILITY CLAUSE
Index
Symbols
Numerics
Index
June
Literature Order Number
SS-SVX09A-EN
Date