Emerson MINI-MATE2 user manual 5.8.2Hot Water Reheat Coil, DPN000219 Rev

Site Preparation and Installation

Figure 24 Optional free-cooling coil (3-way valve) on water/glycol units

Bleed Valve

Fluid

Return

From Unit

Fluid

Supply

To Unit

Free-Cooling

Control

Valve

	Tube in
	Tube
	Condenser
Free-Cooling	Fluid
	Return
Coil
	From

Shutoff*

Valves

Hose* Bibs

Temperature Stat

		Unit
Shutoff*	Hose*		3-Way Water
		Fluid	Regulating
Valves
	Bibs	Supply	Valve
		To Unit	(Optional)

NOTE: RECOMMENDED PIPING FOR UNITS WITH FREE-COOLING COIL OPTION AND WATER/GLYCOL CONDENSER.

5.8.2Hot Water Reheat Coil

		FIELD PIPING
		FACTORY PIPING
* Components are not supplied by Emerson			DPN000219
	but are recommended for proper circuit		Rev. 3
	operation and maintenance.

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)

		Bleed Valve
		Hot Water
	Water	Reheat
		Control
Water	Supply
		Valve
	To Unit
Return
From Unit
Shutoff*		Y-Strainer
Valves

Hot Water

Reheat

Coil

Hose*

Bibs

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.

FIELD PIPING

FACTORY PIPING

DPN000219

Rev. 3

37 Liebert® Mini-Mate2™