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 43
Pressure Drop Curves
For overlapping pressure drop curves, see General Data tables in section “General Information,” p. 9 for limit values.
Figure 21. Evaporator pressure drop curves - 2 pass, 60 Hz - RTWD, RTUD
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0 400.0 450.0 500.0
Pressure Drop (ft. H2O)
Water Flow (GPM)
Waterside Pressure Drop - 60 Hz Units - 2 Pass Evaporator
RTWD080 Std
RTWD090 Std
RTWD100 Std
RTWD110 Std
RTWD120 Std
RTWD130 Std
RTWD140 Std
RTWD80 High
RTWD90 High
RTWD100 High &
RTUD110 High
RTWD110 High &
RTUD120, 130 High
RTWD120 High &
RTUD150 High
RTWD130 High