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RTAC 155
Trane RTAC 155 User Manual
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Model RT
AC 120-400 (50 Hz)
400-150
0 kW
Installation
Oper
ation
Maint
enance
RLC-S
VX02G-E4
Ser
ies R™
Air
-Cooled Helical-Rotary
Liquid Chiller
2
Table of Contents
Default Chapter
2
Table of Contents
2
General Information
6
Unit Inspection
6
Loose Parts Inventory
6
General Data Tables
7
Installation - Mechanical
19
Installation Responsibilities
19
Storage
19
Special Lifting and Moving Instructions
20
Isolation and Sound Emission
21
Foundation
22
Clearances
22
Dimensional Data
23
Unit Isolation and Leveling
30
Neoprene Isolator Installation
30
Drainage
30
Evaporator Grooved Pipe
30
Water Treatment
31
Entering Chilled-Water Piping
31
Leaving Chilled-Water Piping
31
Evaporator Drain
31
Evaporator Flow Proving Device
31
Performance Data
32
Water Pressure Gauges
34
Water Pressure Relief Valves
35
Freeze Protection
35
Refrigerant Cutouts and Glycol Percentages
36
Installation - Electrical
39
General Recommendations
39
Wire Sizing
40
Electrical Data Tables
42
Installer-Supplied Components
46
Power Supply Wiring
46
Control Power Supply
46
Heater Power Supply
46
Water Pump Power Supply
47
Interconnecting Wiring
47
Alarm and Status Relay Outputs (Programmable Relays)
48
Relay Assignments Using Techview
49
Low Voltage Wiring
49
Emergency Stop
49
External Auto/Stop
49
External Circuit Lockout
50
Ice-Building Option
50
Optional External Chilled-Water Set Point (ECWS)
51
Optional Current Limit Setpoint
51
Optional Tracer Comm 3 Interface
53
Lontalk® Communications Interface for Chillers (LCI-C)
54
Operating Principles
55
Pre-Start Checkout
57
Installation Checklist
57
General
58
Unit Voltage Power Supply
58
Unit Voltage Imbalance
59
Unit Voltage Phasing
59
Water System Flow Rates
59
Water System Pressure Drop
59
CH.530 Set-Up
59
Unit Startup Procedures
60
Daily Unit Startup
60
General
60
Seasonal Unit Startup Procedure
61
System Restart after Extended Shutdown
61
Unit Shutdown Procedures
62
Temporary Shutdown and Restart
62
Extended Shutdown Procedure
62
Periodic Maintenance
63
Maintenance Procedures
64
Refrigerant Emission Control
64
Refrigerant and Oil Charge Management
64
Charge Isolation in the High or Low Side of System
66
Filter Replacement Procedure
68
Lubrication System
68
Prelubrication
70
Field Oil Charging Procedure
71
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Trane RTAC 155 Specifications
General
Model
RTAC 155
Type
Air-Cooled Chiller
Cooling Capacity
155 tons
Refrigerant
R-134A
Power Supply
460V/3Ph/60Hz
Sound Power Level
85 dBA
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