Installation and Maintenance Manual
Table Of Contents
- Warnings, Cautions and Notices
- Model Number Description
- General Information
- Pre-Installation
- Unit Dimensions/Weights
- Installation - Mechanical
- Location Requirements
- Rigging
- Evaporator Piping
- Condenser Water Piping (RTWD Units Only)
- Refrigerant Relief Valve Venting
- RTUD Installation
- System Configuration
- Equivalent Line Length
- Liquid Line Sizing
- Discharge (Hot Gas) Line Sizing
- Example
- Refrigerant Charge Determination
- RTUD Chilled Water Flow Control
- Oil Charge Determination
- Outdoor Air Temperature Sensor Installation Requirements
- Fan Control for the Remote Air Cooled Condenser
- RTUD Condenser Elevation Setting
- Shipping Spacers
- Installation - Electrical
- RTWD/RTUD Operating Principles
- Controls Interface
- Pre-Start Checkout
- Unit Start-Up Procedures
- Unit Shutdown
- Service and Maintenance
- Diagnostics
- Wiring Schematics
Installation - Mechanical
70 RLC-SVX09H-EN
Example
Table 63. Discharge (hot gas) line sizing RTUD 250 ton
Leaving Water
Temperature
Leaving Water
Temperature
Ckt 1
Line
38-65
°F
10-37
°F
Ckt 2
Line
38-65
°F
10-37
°F
Total
Equiv.
Length
(ft)
25
3.125 3.125
Total
Equiv.
Length
(ft)
25
3.125 3.125
50
3.125 3.125 50 3.125 3.125
75
3.125 3.125 75 3.125 3.125
100
3.125 3.125 100 3.125 3.125
125
3.125 3.125 125 3.125 3.125
150
3.125 3.125 150 3.125 3.125
175
3.125 3.125 175 3.125 3.125
200
3.125 3.125 200 3.125 3.125
225
3.125 3.125 225 3.125 3.125
250
3.125 3.125 250 3.125 3.125
275
3.125 3.125 275 3.125 3.125
300
3.625 3.125 300 3.625 3.125
Figure 40. Example configuration
Inverted Trap
Height equal to
top of Condenser
Trap
Liquid Line
Discharge Line
20’
15.5’
5’
71’
2’
2’