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Chilled Water Models
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6.0 CHILLED WATER MODELS
6.1 Piping Considerations
Manual shut-off valves should be installed at the supply and return lines to each unit. This will pro-
vide for routine service and emergency isolation of the unit.
Consideration of the minimum water temperature to be supplied from the chiller will determine if the
need exists to insulate supply and return lines. Insulation will prevent condensation on the supply
and return lines.
To provide for the emergency of water leaks and the consequences of sub-floor flooding, floor drains
should be provided with wet traps or a water detection system, such as a Liqui-tect, that is installed
near the base of the unit or below the elevated floor.
Figure 18 Chilled water general arrangement - horizontal flow (BR)
A
B
AB
FIELD PIPING
SL-11899
Pg. 5
Air
Flow
Chilled
Water
Coil
Bleed
Valve
Valve
Actuator
Valve
Flow
Switch
(optional)
Chilled
Water
Supply
Chilled
Water
Return
Hose
Bibs*
Hose
Bibs*
Shutoff
Valves*
3-WAY VALVE
Air
Flow
Bleed
Valve
Chilled
Water
Coil
Valve
Actuator
Shutoff
Valves*
Chilled
Water
Return
Chilled
Water
Supply
2-WAY VALVE
2-Way
Chilled
Water
Valve
SINGLE CIRCUIT SHOWN
*Components are not supplied by Emerson but
are recommended for proper circuit operation
and maintenance.
FACTORY PIPING
3-Way
Chilled
Water