MFB/MCFB-2030

This section pertains to -30°C FREEZER ONLY

This freezer has been factory set to run at -30°C. The external thermostat may require adjustment depending on the final ambient operating condition. The freezer has reserve range and can operate to -35°C, depending on load and ambient temperature. Plug into a standard 110-120 volt electrical outlet. The unit will start to operate. It will require 5 amps. The freezer's operation will be extremely quiet due to the unique design of the compressor system.

As with the –20 models, pre-cool unit before placing any product into the chamber. The temperature will reach -30°C in less than four hours; however, let the chamber cool for 8 hours minimum to allow for total heat removal from the cabinet.

Again, this is a manual defrost system. If ice build up is present ¼ inch or more on the fixed shelves, defrosting is recommended. Large ice build up will reduce cooling efficiency.

If this system is equipped with a temperature display or alarm system it is not uncommon to observe a rise in temperature on the display following a door opening. Unless the door is left open for long periods of time this should not affect product temperature. The temperature display is independent of the thermostat that is actually controlling the off/on cycling of the compressor. Door opening will greatly affect air temperature but generally does not affect product temperature.

ETC Single Stage Electronic Temperature

(-30 Models Only)

Operation

Liquid Crystal Display (LCD)

The LCD display provides a constant readout of the sensor temperature and indicates if the output rely is energized. When the S1 annunciator is constantly illuminated during operation, the relay is energized. The display is also used in conjunction with the keypad to allow the user to adjust the setpoint temperature, differential and heating/cooling modes.

Control Setup

The temperature setpoint refers to the temperature at which the normally open (NO) contacts of the output relay will open. Determine the load(s) to be controlled and the operating mode required, cooling or heating.

When the cooling mode is chosen, the differential is above the setpoint. The relay will de-energize as the temperature falls to the setpoint.

When the heating mode is chosen, the differential is below the setpoint. The relay will de-energize as the temperature rises to the setpoint.

5

Page 7
Image 7
Aprilaire MFB-0920, MFB-2920, MFB-2020, MCFB-2020, MFB-2030 warranty Liquid Crystal Display LCD, Control Setup

MFB-2030, MCFB-2020, MFB-0920, MFB-2020, MFB-2920 specifications

The Aprilaire MCFB-2020, MFB-2920, MFB-0920, MFB-2030, and MFB-2020 are advanced air filtration solutions designed to enhance indoor air quality in residential and commercial spaces. These models incorporate cutting-edge technologies to effectively capture allergens, pollutants, and other contaminants, making them a vital component for maintaining a healthy environment.

One of the standout features of the Aprilaire filtration systems is their multi-layer filtration technology. Each model utilizes a robust MERV 13 filter, which can capture particles as small as 0.3 microns. This includes dust, pollen, mold spores, pet dander, and even some bacteria and viruses. This high level of filtration efficiency ensures that the air circulated within a space is significantly cleaner, providing relief for allergy sufferers and promoting overall health.

In addition to their filtration capabilities, these models are designed for ease of use and maintenance. Many units come equipped with indicator lights that signal when it's time to replace the filter, ensuring that users are consistently operating at peak efficiency. The filters themselves are engineered for longer lifespan, allowing for extended periods between replacements and reducing overall maintenance costs.

The Aprilaire MFB series also features an innovative design that minimizes airflow resistance. This allows the HVAC system to operate more efficiently while maintaining strong air circulation throughout the home or office. By reducing strain on the system, these filters contribute to lower energy bills and enhanced longevity of HVAC equipment.

Another significant characteristic is the low noise operation of the MFB models. Designed with quiet functionality in mind, these air filters allow for clean air circulation without contributing to noise pollution, creating a comfortable atmosphere for occupants.

Moreover, the construction of these filters focuses on environmentally sustainable materials, minimizing their carbon footprint. This makes the Aprilaire MCFB and MFB series not only a wise choice for health but also for those looking to reduce their environmental impact.

In summary, the Aprilaire MCFB-2020, MFB-2920, MFB-0920, MFB-2030, and MFB-2020 offer exceptional features characterized by high-efficiency multi-layer filtration, user-friendly maintenance, energy-efficient operation, low noise levels, and environmentally sustainable construction. These characteristics make them essential tools for anyone seeking to improve indoor air quality while ensuring comfort and health in their living and working spaces.