The Aermec MLG series (250FS, 350FS, 500FS) is a range of multisplit console air conditioners designed for both cooling and heating applications. These units are built with high-grade materials and cutting-edge technology, ensuring safety, quality, and reliability, as indicated by their CE mark compliance with the European Machine Directive. The MLG series utilizes eco-friendly R32 refrigerant gas, which is non-polluting, causes no damage to the ozone layer, and does not contribute to the greenhouse effect, while also offering excellent thermodynamic features for high energy efficiency.
Function Description:
The MLG series units are multisplit console air conditioners, meaning they are designed to be connected to an outdoor unit as part of a larger system, allowing for multiple indoor units to operate from a single outdoor unit. They provide both cooling and heating, making them suitable for year-round climate control. The units draw air laterally and discharge it into the environment through two distinct turns: one high and one low. By default, the unit is set up for double-locked air delivery, but it can be configured for single upper delivery via a selector outlet located on the left side of the front panel. The system also includes an air purification function (Cold Plasma), capable of reducing pollutants by generating positive and negative ions that neutralize gaseous pollutants and eliminate bacteria. For enhanced control and convenience, the units are equipped with a Wi-Fi module, allowing remote control via a smartphone app (available for iOS and Android) connected to a wireless router.
Important Technical Specifications:
- Models: MLG250FS, MLG350FS, MLG500FS
- Refrigerant: R32 (flammable in the presence of flames, but with very low flammability)
- Cooling Capacity: Ranges from 2.7 kW to 5.2 kW
- Heating Capacity: Ranges from 2.8 kW to 5.3 kW
- Moisture Removed: 0.8 l/h (MLG250FS), 1.2 l/h (MLG350FS), 2.0 l/h (MLG500FS)
- Rated Power Input (Cooling): 2.7 kW (MLG250FS), 3.5 kW (MLG350FS), 5.2 kW (MLG500FS)
- Rated Power Input (Heating): 2.8 kW (MLG250FS), 3.75 kW (MLG350FS), 5.33 kW (MLG500FS)
- Indoor Unit Power Input: 50 W for all models
- Type of Fan: Centrifugal inverter
- Air Flow Rate (Min/Max):
- MLG250FS: 280 m³/h / 430 m³/h
- MLG350FS: 360 m³/h / 520 m³/h
- MLG500FS: 320 m³/h / 650 m³/h
- Sound Power (Min/Max):
- MLG250FS: 38.0 dB(A) / 48.0 dB(A)
- MLG350FS: 41.0 dB(A) / 50.0 dB(A)
- MLG500FS: 45.0 dB(A) / 55.0 dB(A)
- Sound Pressure (Min/Max):
- MLG250FS: 26.0 dB(A) / 36.0 dB(A)
- MLG350FS: 31.0 dB(A) / 40.0 dB(A)
- MLG500FS: 35.0 dB(A) / 45.0 dB(A)
- Condensate Discharge Diameter: 28 mm for all models
- Diameter of Liquid Refrigerant Connections: 6.35 mm (1/4") for all models
- Diameter of Refrigerant Gas Connections: 9.52 mm (3/8") for MLG250FS/350FS, 12.7 mm (1/2") for MLG500FS
- Power Supply: 220-240V ~ 50Hz
- Dimensions (Indoor Unit without package - A x B x C): 700 mm (A) x 215 mm (B) x 600 mm (C) for all models
- Net Weight (Indoor Unit without package): 15.5 kg for all models
- Minimum Room Area: Varies based on charge amount and installation type (floor, window, wall, ceiling mounted). For example, with a 1.2 kg charge, the minimum room area is 4 m² for all installation types. With a 2.5 kg charge, it ranges from 4 m² (ceiling mounted) to 53.6 m² (floor location).
Usage Features:
- Remote Control: Comes with a remote control holder and a standard remote control.
- Inverter Technology: Equipped with an inverter centrifugal fan for efficient operation.
- Regenerable Air Filter: Easy to remove and clean.
- Timer: Programmable switch-off and switch-on function.
- LED Display: Auxiliary emergency command integrated into the unit's front panel with LED display and indicator lights.
- Fan Speed: 3-speed fan for precise control.
- Auto Function: Continuous speed variation.
- Turbo Function: Quickly reaches the desired temperature.
- Sleep Night Time Function: Well-being program.
- X-Fan: Prolonged ventilation function to prevent mold formation.
- Anti-Freeze Function: Allows the unit to keep an indoor minimum temperature of 8°C in winter.
- Feel Function: Activates an ambient temperature probe inside the remote control for improved comfort.
- Cold Plasma Air Purifier: Reduces pollutants.
- Wi-Fi Module: Standard feature for smart control.
- Defrosting the Outdoor Unit: The unit performs defrosting when the outdoor temperature is low and humidity is high, preventing ice formation and maintaining performance.
- Preventing Cold Air Jets: In heating mode, the ventilation of the indoor unit is inhibited for a specific technical time to allow the exchanger to reach the ideal temperature, preventing cold air jets.
Maintenance Features:
- General Maintenance: Disconnect power supply before any cleaning. Clean the cabinet with a soft, dry cloth or a cloth dampened with water/detergent (no solvents).
- Front Panel Cleaning: Remove the front panel and clean the dirty side with a cloth dampened with warm water. Do not immerse the panel.
- Air Filter Cleaning:
- Remove the air filter by lifting the front panel and pulling down the filters.
- Clean with a vacuum cleaner. For heavy soiling, use a mild detergent and water.
- Dry the filter by exposing it to direct sunlight.
- Replace the filter when dry.
- Warnings: Do not touch coil fins, do not clean with hot water, do not dry with flame, do not operate without the air filter, and do not use brushes or tools drives.
- Pre-Start Checks: Ensure inlets/outlets are unobstructed, ground connection is secure, air filter is clean, remote control batteries are not exhausted, and units are undamaged and securely fastened.
- Post-Use Maintenance: Disconnect power supply, clean the filter and indoor unit, clean the outdoor unit and remove obstructions, and restore/repaint any rusty surfaces on the outdoor unit.
- Routine Checks Following Installation: Verify firm fixing, check for refrigerant leaks, thermal insulation sufficiency, correct condensate discharge, power supply voltage, cable and pipe connections, reliable earth connection, correct electric cable type/section, unobstructed air intakes/deliveries, and adjusted connection pipe lengths/refrigerant load.
- Troubleshooting: The manual provides a comprehensive error code list and troubleshooting guide for common anomalies like unit not starting, stopping after a while, poor cooling/heating, odors, and remote control issues, along with possible causes.
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