O General Ducted Split AC 4.0 Ton R32 Inverter ARGH48CMTA-U

O General 4.0 Ton (48,000 BTU) – ARGH48CMTA-U / AOGH48CRTA-U

Product Overview: Stepping into the light commercial range, the ARGH48CMTA-U is a 4 Ton (around 48,000 BTU class) ducted split system. This model requires a 380–415V three-phase power supply, reflecting its higher capacity and usage in larger spaces. It’s engineered for villas with extensive floor areas, open-plan offices, restaurants, or retail floors (~70–80 m²) that need powerful centralized cooling. The indoor unit for the 48k model is larger in cross-section than the 36k. it features a taller profile (360 mm height) and a robust twin-fan setup to move the high volume of air required. Despite the increase in size, it’s designed to remain as quiet and efficient as possible for its class. The AOGH48CRTA-U outdoor unit includes a heavy-duty tropical compressor and a generously sized condenser, enabling it to deliver over 12.5 kW of cooling at T1 and maintain performance in extreme heat (11.14 kW at T3 46 °C). This model is great for situations where one unit must cover what normally might be split between two smaller units, thus reducing the number of outdoor units on rooftops.

Key Features:

• Massive cooling output – rated 42,700 BTU/h (12.51 kW) at T1, with a maximum capacity up to ~47,900 BTU/h when needed.
• The inverter technology allows it to scale down to about 3.87 kW at minimum, avoiding excessive power usage when full capacity isn’t required.
• Efficiency is impressive given the size: EER ~11.6 at T1 (comparable to smaller models) and around 8.8 at T3.
• The indoor unit’s static pressure capability is maintained at 30–150 Pa, ensuring even large duct networks can be accommodated.
• Noise levels remain competitive; the indoor unit is around 44 dB(A) on High and 34 dB(A) on Low – which is quite good for a 4 Ton blower.
• The outdoor unit’s fan and compressor are optimized for quieter operation given the three-phase power (which also balances the electrical load and reduces running current per phase).
• Installation considerations include the need for three-phase power availability and sufficient space for the larger indoor unit (which measures 360 mm tall and 1.4 m long).
• This model features all standard control options (often paired with a centralized controller in commercial setups) and includes additional refrigerant charge from the factory for longer line sets (factory charge ~1.85 kg R32 for up to 30 m lines).

Detailed Specifications – ARGH48CMTA-U (Indoor) / AOGH48CRTA-U (Outdoor):

Usage Note: The 4 Ton model is typically used in larger installations; it may require professional HVAC design input to ensure one unit can adequately distribute air to all areas (consider duct zoning if needed). Since it’s a three-phase unit, phase balancing and proper electrical protection (e.g., circuit breaker ~10A per phase, or ~16A 3-phase breaker) are important. During installation, the indoor unit’s size (especially the 360 mm height) means a false ceiling with enough depth is required – check architectural plans for at least 400 mm clearance to fit and service the unit. The refrigerant piping for this model can run longer distances (up to 50 m with additional charge) making it suitable for centralized outdoor equipment arrangements (e.g., all outdoor units on a roof). Ensure the condensate drain is properly installed; the unit includes a strong drain pump that can lift water a good height, but the drain piping must have an outlet lower than the unit eventually. Regular professional servicing is recommended due to the system’s size – e.g., checking phase voltages, tightening electrical connections (as three-phase compressors should be well-monitored for balance), and verifying refrigerant charge annually for peak performance in the UAE’s harsh climate.

The 4 Ton model is typically used in larger installations; it may require professional HVAC design input to ensure one unit can adequately distribute air to all areas (consider duct zoning if needed). Since it’s a three-phase unit, phase balancing and proper electrical protection (e.g., circuit breaker ~10A per phase, or ~16A 3-phase breaker) are important. During installation, the indoor unit’s size (especially the 360 mm height) means a false ceiling with enough depth is required – check architectural plans for at least 400 mm clearance to fit and service the unit. The refrigerant piping for this model can run longer distances (up to 50 m with additional charge) making it suitable for centralized outdoor equipment arrangements (e.g., all outdoor units on a roof). Ensure the condensate drain is properly installed; the unit includes a strong drain pump that can lift water a good height, but the drain piping must have an outlet lower than the unit eventually. Regular professional servicing is recommended due to the system’s size – e.g., checking phase voltages, tightening electrical connections (as three-phase compressors should be well-monitored for balance), and verifying refrigerant charge annually for peak performance in the UAE’s harsh climate.