Specification Guidelines

Mitsubishi Electronics 10, 20-L, 20 PRH-5, 8, 15 manual Specification Guidelines

Please supply and install a one piece, air to air reverse cycle air conditioning system.

The system shall be completely assembled, tested and have a complete refrigeration charge ready for installation and operation from the factory.

The system shall operate at outdoor ambient temperatures as high as 46˚C.

The system shall have a total cooling capacity of

kW or greater with an indoor air quantity of

L/s at

˚C db and

˚C wb entering

indoor

coil temperature with a

˚C temperature

entering

the outdoor coil.

The system shall have a sensible heat capacity of

kW or greater with a room db temperature of

˚C.

The total heating capacity (without electric element heaters) shall be

kW or greater at

˚Cdb,

˚C wb outdoor air conditions, with

˚C of indoor air entering

indoor

coil at

˚C

db. One

kW electric heater element (accessory)

shall be furnished.

The compressors shall be a welded high efficiency hermetic type with internal vibration isolation and be equipped with a crankcase heater.

Compressors shall be protected by a factory installed anti-cycle device and provide a 3 minute delay before compressor can restart.

Coils shall be of non-ferrous construction with mechanically bonded aluminium plate fins. Outdoor coils shall be made, of 9.52mm OD, 0.35mm thick seamless copper tubes mechanically bonded to 0.12mm thick aluminium plate fins.

Coils with multiple stage refrigeration systems shall consist of independent circuits. Face area of the coil


shall not be less than	M2. The coil shall be factory pressure and leak tested at 3,233 kPa pressure.
The indoor coil face area shall be not less than		M2.

Multi-wing propeller type fans shall be fitted at the condenser and shall be dynamically balanced, to ensure smooth airflow and shall discharge vertically and be direct driven by a weatherproof three phase squirrel

cage

kW induction motor.

The system shall be factory wired and all electrical wiring must comply with the Local wiring code. (Controls and control wiring shall be supplied by the contractor). Compressors and fan motors shall have both internal and current sensitive overload devices.

An automatic defrost control shall be included to accomplish defrosting (only if required) every

minutes for a period of

minutes.

A low voltage transformer (24V) shall be factory installed in the unit for an external control circuit.

High pressure switch (pre-set) shall be factory installed.

The enclosure shall be a single, enclosed, weatherproof casing constructed of phosphatised, zinc coated steel with acrylic resin primer and ivory white baked enamel finish.

The unit shall be provided with hoisting plates for rigging and hoisting the unit. The hoisting plates shall be located in the base of the unit.

The unit shall have a 25mm OD male drain connection provided. The drain pipe shall be accessible from either the left or right side of the unit. A blanking cap shall be provided to cap the drain outlet not being used.

The duct (field supply) shall be fully insulated with fiber glass insulation to prevent sweating and to minimize sound.

Each unit shall have a drain pan of 1mm thick steel coated with epoxy resin enamel.

The enclosure shall have openings provided for power connections. Access for both service and installation shall be provided to compressors, control wiring, filters, electric heaters (when fitted) and fans.

Side panels and top panels shall be removable for easy service access.

The unit maximum dimensions shall be : height:

mm, width:

mm and depth:

mm.

Due to continuous product development, these guidelines are subject to change.

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20-L, 8, PRH-5, 15, 10 specifications

Mitsubishi Electronics has long been a prominent player in the field of industrial automation, and their PRH series of smart human-machine interfaces (HMIs) is a testament to their innovative approach. The PRH-5, PRH-10, PRH-15, and the PRH-5,8 models exemplify the brand’s commitment to providing advanced technologies that enhance user interaction and facilitate the management of complex systems.

One of the main features of the PRH series is its high-resolution touch screen display, which provides clear and vibrant visuals for monitoring and controlling machinery. The screens offer exceptional clarity, making it easier for operators to interpret data and respond to system alerts promptly. The multi-touch capabilities allow for intuitive navigation, enhancing the user experience significantly.

The PRH series is equipped with robust communication technologies, including support for various industrial protocols such as MODBUS, Ethernet/IP, and Profinet. This flexibility enables seamless integration with a wide range of devices and systems, allowing for centralized control and monitoring of operations. Such interoperability is vital in modern manufacturing and process industries where diverse equipment needs to work harmoniously.

Another significant characteristic of the PRH series is its advanced data logging capabilities. These HMIs are designed to collect and store critical operational data, providing insights that can be analyzed for performance optimization and predictive maintenance. This feature is essential for minimizing downtime and ensuring that manufacturing processes operate at peak efficiency.

In terms of design, the PRH-5, PRH-10, PRH-15, and PRH-5,8 models feature a sleek and compact profile, making them suitable for installation in various environments, even where space is limited. They are built to withstand harsh industrial conditions, ensuring reliability and durability over long periods of use.

User-friendly software tools accompany the PRH series, enabling easy customization and programming of the interface to suit specific operational needs. Mitsubishi Electronics focuses on ensuring that users, regardless of their technical skills, can configure and manage the HMIs effectively.

In summary, Mitsubishi Electronics' PRH-5, PRH-10, PRH-15, and PRH-5,8 models represent the forefront of HMI technology. With high-resolution displays, extensive communication support, robust data logging capabilities, and user-friendly design, these devices are perfectly equipped to meet the challenges of modern industrial automation.