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Site Preparation and Installation
37 Liebert
®
Mini-Mate2
™
Figure 24 Optional free-cooling coil (3-way valve) on water/glycol units
5.8.2 Hot Water Reheat Coil
Building hot water can be piped to a factory-installed hot water reheat coil, located downstream of the
cooling coil. A factory-installed solenoid valve opens upon a call for reheat.
Figure 25 Optional hot water reheat (two-way valve)
Fluid
Return
From Unit
Fluid
Return
From
Unit
Fluid
Supply
To Unit
Temperature
Stat
Free-Cooling
Control
Valve
Bleed Valve
Free-Cooling
Coil
Shutoff*
Valves
Shutoff*
Valves
Hose*
Bibs
Hose*
Bibs
Fluid
Supply
To Unit
3-Way Water
Regulating
Valve
(Optional)
Tube in
Tube
Condense
r
DPN000219
Rev. 3
FIELD PIPING
NOTE: RECOMMENDED PIPING FOR UNITS
WITH FREE-COOLING COIL OPTION
AND WATER/GLYCOL CONDENSER.
* Components are not supplied by Emerson
but are recommended for proper circuit
operation and maintenance.
FACTORY PIPING
DPN000219
Rev. 3
FIELD PIPING
Note: Hot water reheat available only
on chilled water units.
* Components are not supplied by Emerson
but are recommended for proper circuit
operation and maintenance.
Y-Strainer
Hot Water
Reheat
Coil
Bleed Valve
Hot Water
Reheat
Control
Valve
Water
Supply
To Unit
Water
Return
From Unit
Shutoff*
Valves
Hose*
Bibs
FACTORY PIPING