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

Page 43
Image 43
Emerson MINI-MATE2 user manual Hot Water Reheat Coil, Optional free-cooling coil 3-way valve on water/glycol units

MINI-MATE2 specifications

The Emerson MINI-MATE2 is a cutting-edge temperature and pressure monitoring device specifically designed for the needs of the refrigeration and HVAC industries. Known for its reliability and user-friendly interface, this compact unit serves as a key tool for technicians and facility managers looking to optimize system performance while ensuring compliance with safety standards.

One of the main features of the MINI-MATE2 is its advanced digital display, which allows users to easily monitor and interpret temperature and pressure readings in real-time. Its highly responsive sensors ensure accurate data collection, vital for maintaining optimal operating conditions. Moreover, the device supports a wide range of refrigerants, making it versatile for different applications, from walk-in coolers to commercial refrigeration systems.

The MINI-MATE2 utilizes state-of-the-art technology to enhance efficiency and performance. Equipped with Bluetooth connectivity, it allows for wireless communication with mobile devices, enabling technicians to track readings and receive alerts remotely. This feature not only improves convenience but also helps in quick decision-making, ensuring timely interventions when anomalies are detected.

Another significant characteristic is its robust construction. Built to withstand harsh environments, the MINI-MATE2 features a durable casing that protects it from physical impacts and environmental factors. This resilience ensures longevity, making it a cost-effective investment for any facility.

In addition, the MINI-MATE2 is designed with user-friendliness in mind. Its intuitive interface means that even technicians with limited experience can easily navigate its functionalities. Quick setup and straightforward operation allow for rapid adoption and extensive use in a variety of settings.

Finally, the MINI-MATE2 also includes built-in data logging capabilities. Users can record historical data for analysis and reporting purposes, which is essential for performing trend analysis and identifying potential issues before they escalate. By providing a comprehensive overview of system performance, the MINI-MATE2 empowers users to make informed decisions that can lead to improved energy efficiency and reduced operational costs.

Overall, the Emerson MINI-MATE2 is an indispensable tool for modern refrigeration and HVAC applications, combining cutting-edge technology, user-friendly design, and essential features to support efficient system management.