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
RLC-SVX09H-EN 49
Figure 27. Evaporator pressure drop curves - 3 pass - RTWD 50 Hz, RTUD 60 Hz
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0 400.0
Pressure Drop (ft. H2O)
Water Flow (GPM)
Waterside Pressure Drop - RTWD 50Hz/RTUD 60 Hz Units - 3 Pass Evaporator
RTWD70 Std 50Hz
RTWD80 Std 50Hz
RTWD90 Std 50Hz
RTWD100 Std 50Hz
RTWD110 Std 50Hz
RTWD120 Std 50Hz
RTWD130 Std 50Hz
RTWD140 Std 50Hz
RTWD150 Std 50Hz
RTWD60 High 50Hz &
RTUD80 High 60Hz
RTWD70 High 50Hz &
RTUD90 High 60Hz
RTWD80 High 50Hz &
RTUD100 High 60Hz
RTWD90 High 50Hz
RTWD100 High 50Hz
RTWD110 High 50Hz
RTWD120 High 50Hz