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Installation: Mechanical
Connecting Groove Pipes
CAUTION
Piping damage!
To prevent damage to water piping, do not overtighten the connections.
Note: Make sure that all piping is flushed and cleaned prior to starting the unit.
CAUTION
Equipment damage!
To prevent equipment damage, bypass the unit if using an acidic flushing agent.
Vents and Drains
Install pipe plugs or ball valves, with National Pipe Thread (NPT) to water hose thread
connections, in evaporator and condenser water box drain and vent connections be-
fore filling the water systems.
To drain water, remove the vent and drain plugs or open the ball valves. Install an NPT
connectors in the drain connection, and connect a hose to it.
Evaporator Piping Components
Note: Ensure that all piping components are between the shutoff valves, so that both
the condenser and the evaporator can be isolated.
Piping components include all devices and controls used to provide proper water-sys-
tem operation and unit operating safety. These components and their general loca-
tions are described below.
Entering Chilled-Water Piping
• Air vents (to bleed air from system)
• Water pressure gauges manifolded with shutoff valves • Pipe unions
• Vibration eliminators (rubber boots)
• Shutoff (isolation) valves
• Thermometers
• Cleanout tees
• Pipe strainer
Leaving Chilled-Water Piping
• Air vents (to bleed air from system)
• Water pressure gauges manifolded with shutoff valves
• Pipe unions
• Vibration eliminators (rubber boots)
• Shutoff (isolation) valves
• Thermometers
• Cleanout tees
• Balancing valve
• Pressure relief valve
• Flow switch
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CVGF-SVX03B-EN
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