Gratus 3 ton Duct Type Air Conditioner, Model- SD38TRAC4 Multiple Protection - With Multiple Protection contents: High-pressure protection, Low-pressure protection, Compressor overloading protection, High Ext, temperature protection (Phase-loss, phase-reverse), Overheating protection, Anti-freezing protection, Sensor failure alarm-failure code display, ETC. The compressor could well run in a reasonable operation range. Self-adaption technology - Automatic ESP adjustment function will adapt the unit to any ducting with optimized air volume and minimized noise level automatically, making more comfortable in any situation. Up To 55°C Running - Enjoy excellent performance even under ambient temperature up to 55°C, Suitable for T3 operating condition Flexible Air Intake Option - Air intake from the rear as standard, from bottom is optional. The size of the plate from bottom is the same as the flange from the back, which makes it convenient to change installation style due to Different decoration requirements. Double Anti-Corrosion Technology - Galvanized metal with world-class powder spraying technology can improve the anti-corrosion ability of the housing of outdoor units three times, especially, in salty, moist surroundings. Installation Charges Extra Applicable UAE Delivery Only