Emerson 3000 manual  ,  

Page 53

 

The unit shall be supplied with a (2 way) (3 way) (4 way) (ducted) air discharge plenum. The plenum shall be 18 in. (457mm) high, insulated and powder painted the same color as the room unit.

  

The manual disconnect switch shall be mounted in the high voltage section of the electrical panel. The switch shall be accessible with the door closed.

  

The manual disconnect switch shall be mounted in the high voltage section of the electrical panel. The switch shall be accessible from the outside of the unit with the door closed, and prevent access to the high voltage electrical components until switched to the “OFF” position.

 

The unit shall be supplied with remote temperature and humidity sensors. The sensors shall be con- nected to the unit by a 30 ft. (9m), 60 ft. (18m), 90 ft. (27m), 120 ft. (36m), 150 ft. (45m) shielded cable.

 

The firestat shall immediately shut down the system when high temperatures are detected. The firestat shall be mounted in the electrical panel with the sensing element in the return air.

 

The smoke detector senses the return air, shuts down the unit upon detection, and sends visual and audible alarm. Dry contacts are available for a remote customer alarm. This smoke detector is not intended to function as or replace any room smoke detection system that may be required by local or national codes.

 

The condensate pump shall have the capacity of ____

GPH (l/h) at ____ ft. (m) head @ ____ V - ____ Hz. It

shall be complete with (single) (dual) integral float switch, pump, motor assembly, and reservoir.

  

Direct Expansion Coil

The evaporator coil shall have _____ sq.ft. (sq. m) face

area, _____ rows deep. It shall be configured as (A)

(V)frame and be constructed of copper tubes and alu- minum fins and have a maximum face velocity of

_____ ft. per minute (m/s) at _____ CFM (CMH). The coil shall be provided with a stainless steel drain pan.

Refrigeration System

The refrigeration system shall consist of a high effi- ciency scroll compressor, hot gas bypass, pressure safety switches, externally equalized expansion

valve, filter drier, refrigerant sight glass and mois- ture indicator.

 

Pump Down Control

A liquid line solenoid valve shall be provided for pump down control.

Crankcase Heater

A crankcase heater shall be provided for additional system protection from refrigerant migration during off cycles.

Propeller Fan Condenser (Standard)

The Liebert manufactured air cooled condenser shall be the low profile, slow speed, direct-drive, propeller- fan type. The condenser shall be constructed of alumi- num and contain a copper tube, aluminum fin coil with an integral electric control panel. The system shall be designed for _____ °F (°C) ambient. The air

cooled condenser shall have a _____ Volt, _____ phase,

____ Hz power supply.

Fan Speed Control (FSC) Head Pressure Con- trol (Standard)

The winter control system for the air cooled con- denser shall be Liebert Fan Speed Control (FSC). The variable speed motor shall turn on at 10% of the supply voltage and modulate in response to head pressure to a full speed of 1050 RPM. It shall be designed with ball bearings, permanent lubrication, and internal overload protection.

The control system shall be complete with transduc- ers, thermostats and electrical control circuit, factory prewired and tested in an integral control panel. The transducer shall automatically sense the head pres- sure of the compressor and control the variable speed fan on the air cooled condenser to properly maintain the head pressure.

The fan speed control system shall provide positive start-up and operation in ambient temperature as low as -20°F (-29°C). Included with the fan speed control system shall be a solid state winter start kit as an integral feature of the electronic control panel.

Lee-Temp Head Pressure Control (Optional)

The winter control system for the air cooled con- denser shall be “Lee-Temp.” The Lee-Temp system shall allow startup and positive head pressure con- trol with ambient temperatures as low as -30°F (-34.4°C). The Lee-Temp package shall include: insu- lated receiver, pressure relief valve for each circuit, head pressure three-way control valve, and rotalock valve for isolating the refrigerant charge. The Lee- Temp receiver shall be factory insulated and mounted ready for the field connection to the air cooled condenser. The Lee-Temp heater shall be (150)

(300)_____ Watt and require a separate power sup- ply of (115) (230) _____ Volt, single phase, _____ Hz.



DISCONTINUED

 

PRODUCT

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Contents Liebert Challenger       Product                    Product                                                                                                                    Audible Alarm AlarmsCommon Alarm DiagnosticsControl                Optional High Ambient Models Optional Quiet-Line ModelsWater or Glycol Cooled Condensing Unit    Product DIS Product Outside the US Web SiteEnvironmental Systems Europe
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3000 specifications

The Emerson 3000 is a cutting-edge control system designed to enhance the efficiency, reliability, and precision of industrial operations. Employed across various sectors such as oil and gas, pharmaceutical, food and beverage, and power generation, the Emerson 3000 has gained recognition for its robustness and versatility.

One of the main features of the Emerson 3000 is its advanced process control capability. With integrated control algorithms, it can optimize complex processes in real-time, resulting in significant improvements in production rates and reduced operational costs. The system's predictive analytics capabilities enable operators to anticipate equipment failures and maintenance needs, allowing for proactive management and minimizing downtime.

The Emerson 3000 features a modular architecture, providing flexibility for scaling and customization. Operators can easily tailor the system to fit specific application needs, whether it requires additional control loops or integration with other systems. This adaptability is particularly beneficial for facilities planning for future expansions or modifications.

Another technology highlight of the Emerson 3000 is its seamless integration with the latest Internet of Things (IoT) advancements. The system is designed to communicate effectively with a variety of smart devices and sensors, harnessing data to create insightful analytics that drive operational excellence. This connectivity empowers businesses to leverage big data for improved decision-making and increased agility.

Additionally, the Emerson 3000 incorporates state-of-the-art cybersecurity measures to safeguard critical data and operations. With built-in security protocols and regular updates, the system protects against emerging cyber threats, ensuring the integrity of the control network.

User experience is also a focal point of the Emerson 3000. The intuitive graphical user interface presents complex data in a user-friendly format, making it easier for operators to monitor system performance and respond to alerts quickly. This ease of use contributes to enhanced safety and operational efficiency.

In summary, the Emerson 3000 represents a fusion of advanced process control, modular design, IoT connectivity, robust cybersecurity, and user-centric interface, making it an ideal choice for industries seeking to enhance their operational performance while adapting to ever-evolving technological landscapes.
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