double-inlet centrifugal type, with forward-curving blades, dynamically and statically balanced. Each blower shall be independently driven by a high- efficiency motor. The drive package shall be designed for 200% of the fan motor horsepower. Minimum bearing life shall be 200,000 L10 hrs. The motor and blower shall be mounted on a common frame which is isolated from the vibration of the unit frame. Each blower shall discharge conditioned air into an insulated static-regain duct located within the downflow unit.

Electrical. The electrical system shall conform to National Electrical Code (NEC) requirements. The control voltage shall be 24 VAC, wired in accordance with NEC Class 1 requirements. The control circuit wire shall not be smaller than 18-gauge AWG. Each wire shall end with a service loop and be securely fastened by an approved method. Control wires more than 6" (150 mm) shall be color-coded or numbered every 3" (80 mm) for ease of service tracing. All electrically-actuated components shall be easily accessible from the front of the unit. Each high-voltage unit shall be individually protected on all three phases. Main power shall be connected to a circuit breaker mounted on the electrical panel. The compressor and motor shall have overload and short-circuit protection. The electrical box shall include all components and controls required for system operation. An emergency cool-override manual switch shall be provided with provision for control using a field supplied thermostat.

•Incoming power is __________V, ______ ph, 60 Hz.

Humidifier. The humidifier(s) shall be self-contained steam-generating type, factory piped and wired, with disposable cylinder and automatic solid- state control circuit.

•Capacity: ____________lb/h (g/s).

Reheat. The reheat elements shall be low watt density resistance type, sized to offset the sensible cooling capacity in the dehumidification mode and shall be electrically and thermally protected by Safety Agency approved safeties.

•Reheat capacity shall be __________ MBH, _______ kW, controlled in ________ (#) steps.

Refrigeration system. Each refrigeration system shall consist of a fully protected scroll compressor, evaporator coil mounted over an insulated stainless steel condensate pan, adjustable expansion valve, filter–drier, liquid line solenoid valve, sight glass, receiver, liquid line isolation valve, low pressure switch and manual reset high pressure switch.

Cooling coil. The evaporator coil shall use the latest heat-transfer technology, raised lanced-aluminum fins and rifle-bored copper tubes. Coil end-supports shall be galvanized steel. To enhance dehumidification, the coil shall be split into two circuits by a microprocessor-controlled solenoid valve. An insulated stainless steel drain pan for condensate shall be included.

Air filters. The air filters shall be 30% efficient per ASHRAE Standard 52.1–92, UL Class 2. The full 4" (102 mm) deep, pleated filters shall be replaceable from the top on downflow units and from the front on upflow units.

APC NetworkAIR AFX Series: Guide Specifications

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American Power Conversion manual APC NetworkAIR AFX Series Guide Specifications
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AFX Series specifications

The American Power Conversion (APC) AFX Series is a groundbreaking line of uninterruptible power supplies (UPS) designed to meet the demands of modern businesses. APC, a subsidiary of Schneider Electric, is known for its reliable power management solutions that ensure the availability of critical equipment. The AFX Series stands out for its advanced features, cutting-edge technologies, and robust characteristics that cater to a diverse range of applications.

One of the standout features of the AFX Series is its flexible architecture. The series offers modular scalability, allowing users to expand power capacity as needed. This modular design is particularly beneficial for growing businesses that require a power solution that can adapt to changing demands without the need for a complete replacement. The AFX units boast a compact footprint, making them suitable for deployment in server rooms, data centers, or environments with space constraints.

Another significant characteristic of the AFX Series is its high efficiency. The UPS units are designed to operate at a remarkable efficiency level, often exceeding 95%, which translates into reduced energy consumption and lower operating costs. This efficiency not only benefits the environment but also enhances the overall reliability of power delivery.

In terms of technology, the AFX Series leverages advanced lithium-ion battery technology. Lithium-ion batteries have a longer lifespan and faster charge times compared to traditional lead-acid batteries. This innovation ensures that uptime is maximized, while maintenance efforts are minimized, allowing IT personnel to focus on more critical tasks.

The AFX Series is also equipped with intelligent monitoring and management features. Users can take advantage of real-time data and analytics through an intuitive web interface, providing insights into power performance and battery health. This capability aids in proactive maintenance, ensuring potential issues are addressed before they lead to downtime.

Furthermore, the AFX Series supports a range of connectivity options, including SNMP, USB, and serial interfaces. These options enable seamless integration into existing management systems, allowing for centralized monitoring and control.

In summary, the American Power Conversion AFX Series is a powerful solution for organizations seeking reliability, efficiency, and scalability in their UPS systems. With its modular architecture, high operational efficiency, advanced lithium-ion technology, and user-friendly management capabilities, the AFX Series is an exemplary choice for businesses aiming to safeguard their critical infrastructure against power interruptions.
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