Figure 23: Typical refrigerant vent piping
Item Description
1 Flanged joint to permit piping disassembly
2 Condensation trap
3 Dual relief valves
4 Vent to atmosphere
5 Support vent piping to avoid strain on relief piping
6 Flexible connection
7* Relief valves
Note: * Shells may be furnished with one or two relief valves, depending on shell sizes.
Unit piping
Compressor lubricant piping and system external piping are factory installed on all units shipped
assembled. On units shipped dismantled, the following piping should be completed under the
supervision of the Johnson Controls representative: (1) the lubricant piping to oil sump and oil
evaporator and system oil return connections using material furnished.
Control panel positioning
The OptiView
™
Control Center is positioned on a fixed bracket that is located on the evaporator
shell.
41Centrifugal Liquid Chillers
To Next Page
Loading...
