Uniflair Direct expansion air-cooled unit downflow with EC backward curved fans and brushless VSD compressors

Product Description

AVAILABILITY

Redundant Components

Single points of failure in the system have redundant components to maintain availability and reliability.
Electronic expansion valve

Refrigerant flow optimization at any load and temperature conditions. Continuous indirect refrigerant charge monitoring
Multi-functional Microprocessor Controller

Allows the units to restart after a power failure without intervention; Allows for room level redundancy with up to ten units operating in a group; User friendly navigation with icon based displays to indicate mode of operation as well as room conditions; Allows for communication with multiple Building Management System protocols.
Active response control

Monitors and actively adjusts cooling capacity to ensure proper server inlet temperatures. Through the microprocessor controller, visibility into the operation and status of the unit is provided.
Direct drive motors

Stress on bearings is nearly eliminated, increasing useful life. Allows integral fan/motor assembly to be factory balanced, which lowers vibration and expedites startup.

ENERGY MANAGEMENT

Building Management Systems

Units are designed to work with the most common BMS systems including BACnet and Modbus.
Network interface

Provides management by connecting the device directly to the network with a dedicated IP address, avoiding the need for a proxy such as a server. Management is available via Web browser, Telnet or SSH. Notification features inform you of problems as they occur.
Automatic Floor Pressurization System

Ensures stable airflow pressurization under floor regardless of changes made above the floor
Local area network: Creates a shared control between all the available resources for maximum energy efficiency and controlled management of the group during emergency situations

SERVICEABILTY

Operational Service: Allows critical components to be maintained/replaced while the system is in operation.
Easy service access: Allows for all serviceable components to be replaced/maintained by easily accessible panels/doors.
Service monitoring: All the monitoring devices on board the unit allow for preventive maintenance and a check of the working condition of the system while its in operation.

TOTAL COST OF OWNERSHIP

Optimized management

Connection between the Computer Room Air Conditioners and the chillers guarantees energy efficiency, based on real instantaneous load conditions (optional)
Modular strategy

Modular design of the mechanical and control systems allow for gradual build-up of the cooling infrastructure to match the cooling demand of the facility. This greatly reduces CAPEX expediture and provides deferred investment throughout the life of the facility.
Electronically Commutated Fans

Provide the highest efficiency and reduce total power consumption by matching the airflow requirements to the heat load of the data center.

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