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RAUC-C30, RAUC-C50, RAUC-C60, RAUC-C20 System Start-Up, 25 Ton Pressure Curve, 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
Page 97
Image 97
System
Start-Up
Figure 48. 25 Ton Pressure Curve
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Contents
Installation Operation Maintenance
June
Remote Split System Units
Air Cooled Condensing Units and EVP Chillers
Grounding Required
Warnings, Cautions and Notices
Environmental Concerns
Responsible Refrigerant Practices
SS-SVX09A-EN
Table of Contents
SS-SVX09A-EN
Model Number Description
General Information
Unit Nameplate
Compressor Nameplate
Evaporator Nameplate
General Information
EVP Chiller Applications Only
Unit Description
Unit Inspection
Installation
No Step Surface
Unit Clearances
Installation
Unit Dimensions & Weight Information
Foundation
NOTICE
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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
Installation
Note All water connections are Victaulic
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Figure 10. BPHE 25 Evaporator Chiller Dimensions
Installation
Note: All water connections are Victaulic
Figure 11. BPHE 30 Evaporator Chiller Dimensions
Installation
Note: All water connections are Victaulic
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Note: All water connections are Victaulic
Installation
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13.533
Note: All water connections are Victaulic
Installation
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827.2
Figure 14. BPHE 60 Evaporator Chiller Dimensions
Installation
Note: All water connections are Victaulic
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Typical Unit Weights & Point Loading Data
Installation
Table
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Heavy Objects
Rigging
Installation
Neoprene Isolators
Unit Isolation
Installation
Heavy Objects
Leveling the Unit
Installation Spring Isolators
Heavy Objects
Compressor Shipping Hardware
Shipping Fasteners
Two Manifolded Compressors
Installation
Refrigerant Piping Requirements
General Unit Requirements
Installation
Hazard of Explosion
Main Electrical Power Requirements
EVP Chilled Water Piping Requirements
Hazardous Voltage
Field Installed Control Wiring Requirements
Ground Wire
115 Volt Control Wiring All Units
”No Controls” Units
Installation
Ground Wire
Grounding Required
Figure 17. EVP Chiller Piping
Variable Air Volume VAV Units
Low Voltage Wiring AC & DC
Constant Volume Units
Refrigerant Line Components
Access Valves Ports
Liquid Line Moisture Indicator Sight Glass
Liquid Line Solenoid Valves
Thermostatic Expansion Valve TEV
Split System Component Number Definitions
Installation
Suction Line Piping
Refrigerant Piping
Installation
Suction Line Interconnecting Tubing
Installation
Liquid Line Piping
Liquid Line Interconnecting Tubing
Installation
Evaporator Piping
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Final Refrigerant Pipe Connections
Optional Pressure Gauges
Installation
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Hazard of Explosion and Deadly Gases
Brazing Procedures
Installation
Hazard of Explosion
Installation
Leak Testing Procedure
Hazard of Explosion
Hazard of Explosion
Installation
Chilled Water Piping
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Figure 21. Evaporator Water-PressureDrop
Installation
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Water Temperature Sensor
Chiller Flow Switch
Air Vents
Water Pressure Gauges
Installation
Freezestat
NOTICE
Figure 22. Typical Piping Recommendations
Installation
Final Water Piping Connections
NOTICE
NOTICE
Installation
Field Installed Power Wiring
NOTICE
NOTICE
Installation
Main Unit Power Wiring
Hazardous Voltage
Equations
Power Wire Sizing and Protection Device
Calculation #1 MCA, MOP, and RDE
Installation
Disconnect Switch Sizing DSS
Installation Calculation #2
Table 8. Electrical Service Sizing Data
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Controls Using 115 VAC
Field Installed Control Wiring
Installation
Hazardous Voltage
Control options utilizing an Air Handler
Supply Fan Interlock
EVP Interlocks EVP Flow control 6S58
EVP Circulating Pump Interlock
Controls using DC Analog Input/Outputs
Controls using 24 VAC
Installation
Hazardous Voltage
Installation
Economizer Actuator Circuit
Table 10. DC Conductors
No System Control
Temperature Control Parameters
Installation
Hazardous Voltage
Refer to Wiring Notes on p.
Installation
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Installation
Discharge Air Sensor Honeywell 6RT3
Variable Air Volume Control Honeywell W7100A
Ground Wire
Installation
Night Setback
Suction Line Thermostat
Installation
Hazardous Voltage
Installation
EVP Chiller Control
Ground Wire
W7100G Discharge Chilled Water Controller
Installation
Grounding Required
Ground Wire
Chilled Water Temperature Sensor Honeywell 6RT2
Installation
Grounding Required
Installation
Outside Air Thermostat 5S57 Field Provided
Hazardous Voltage
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Installation
Thermostat Wiring
Constant Volume Control Honeywell
Electronic Zone Thermostat Honeywell T7067
Thermostat Checkout
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Installation
Installation
Discharge Air Sensor Honeywell 6RT1
Table 11. Q667 Switching Subbase
Hazardous Voltage
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Installation
Figure 33. 6RT1 Discharge Air Sensor Assembly
Installation
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Compressor Damage
System Pre-StartProcedures
EVP Chiller Applications
Hazardous Voltage
System Pre-StartProcedures
System Evacuation Procedures
NOTICE
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
Economizer Actuator Checkout
Discharge Air Sensor Checkout Honeywell Sensor
System Pre-StartProcedures
Hazardous Voltage
System Pre-StartProcedures
EVP Chiller Control Checkout Honeywell W7100G
Hazardous Voltage
System Pre-StartProcedures
System Pre-StartProcedures
Chilled Water Sensor Checkout Honeywell Sensor
Hazardous Voltage
Figure 38. W7100G Chilled Water Controller
Master Energy Control Checkout
Switch 1S1
System Pre-StartProcedures
Hazardous Voltage
Switch 1S1
Zone Thermostat Checkout Honeywell T7067
System Pre-StartProcedures
System Pre-StartProcedures
Discharge Air Sensor Checkout Honeywell 6RT1
Hazardous Voltage
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Temperature - Degree F C
System Pre-StartProcedures
Ohms
Resistance
Electrical Phasing
Voltage Imbalance
Switch 1S1
System Pre-StartProcedures
Sequence of Operation
System Start-Up
VAV W7100A Discharge Air Controller 7U11
Economizer Cycle
System Start-Up
Chilled Water Temperature Controller 6U11
Thermostatic Expansion Valve
Figure 41. W7100A Staging Sequence
System Start-Up
Condenser Fans
Figure 42. W7100G Staging Sequence
Compressor Crankcase Heaters
Low Ambient Dampers
Pump Down
System Start-Up
System Start-Up Low Ambient Thermostats
Live Electrical Components
Hot Gas Bypass Operation
EVP Chiller Applications
Freezestat Setting
System Start-Up
Water
Rotating Components
“Air Over” Evaporator Application
System Airflow Measurement
Verifying Proper Supply Fan Rotation
Compressor Damage
Compressor Start-UpAll Systems
NOTICE
System Start-Up
Rotating Components
Live Electrical Components
NOTICE
System Start-Up
Measuring Subcooling
Subcooling
Measuring Superheat
System Start-Up
Table 13. Pressure Control Switch Settings
Compressor Oil
Table 15. Minimum starting Ambient Temperature
System Start-Up
System Start-Up
Table 15. Minimum starting Ambient Temperature
Table 16. Compressor Sequence
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Figure 45. Typical Compressor Locations
System Start-Up
Figure 46. Typical Compressor Terminal Block
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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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Scroll Compressor Replacement
Service & Maintenance
Compressor Operational Sounds
At Shutdown
Figure 53. Suction Line Filter/Drier Installation
Service & Maintenance
Table 19. Compressor Circuit Breaker Data
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Monthly Maintenance
Fuse Replacement Data
Air Handling Equipment
Service & Maintenance
Condensing Unit
Coil Cleaning
Service & Maintenance
Rotating Components
System operation
Hazardous Pressures
Service & Maintenance
Live Electrical Components
ACCESSORIES
WARRANTY AND LIABILITY CLAUSE
Index
Symbols
Numerics
Index
SS-SVX09A-EN
Literature Order Number
Date
June