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Refrigerant Piping Connection <br /> _ , \ <br /> ,) \+ rr - <br /> Note on Pipe Length <br /> The length of refrigerant piping will affect the performance and energy efficiency of the unit. Nominal <br /> efficiency is tested on units with a pipe length of 5 meters (16.5ft), in North America, the standard pipe <br /> length is 7.5m (25'). A minimum pipe run of 3 meters is required to minimise vibration & excessive noise. o 33, <br /> Refer to the table below for specifications on the maximum length and drop height of piping. =-a <br /> Maximum Length and Drop Height of Refrigerant Piping per Unit Model <br /> Model Capacity(BTU/h) Max. Length (m) Max. Drop Height(m) <br /> < 15,000 25 (82ft) 10(33ft) <br /> R410A Inverter Split Air > 15,000 and < 24,000 30(98.5ft) 20(66ft) <br /> Conditioner 24,000 and < 36,000 50(164ft) 25 (82ft) <br /> < 18,000 10(33ft) 5 (16ft) <br /> R22 Fixed-speed <br /> Split Air Conditioner <br /> >_ 18,000 and< 21,000 15 (49ft) 8(26ft) <br /> >_ 21,000 and < 35,000 20 (66ft) 10(33ft) <br /> R410A Fixed-speed < 18,000 20 (66ft) 8(26ft) <br /> Split Air Conditioner > 18,000 and < 36,000 25 (82ft) 10(33ft) <br /> Connection Instructions - Refrigerant Piping <br /> Step 1: Cut pipes <br /> When preparing refrigerant pipes, take extra care to cut and flare them properly. This will ensure <br /> efficient operation and minimize the need for future maintenance. <br /> 1. Measure the distance between the indoor and outdoor units. <br /> 4 Page 25 ► <br />