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Panasonic U-72MF1U9 Technical Data Manual
Also see for U-72MF1U9: Installation instructionsOperating instructionsOperating instructionsService manual
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Design of 3WAY VRF SYSTEM2 - 5123456781. Model Selecting and Capacity CalculatorRefrigerant Charge Amount at Shipment (for outdoor unit)U-72MF1U9 U-96MF1U9DC U-72MF1U9E U-96MF1U9E(oz) 416 416System LimitationsMax. No. allowable connected outdoor units 3 *1Max. capacity allowable connected outdoor units 288,000 BTU/h (24-Ton, 84 kW)Max. connectable indoor units 40Max. allowable indoor/outdoor capacity ratio 50 – 130 %*1: Up to 3 units can be connected if the system has been extended.Additional Refrigerant ChargeAdditional refrigerant charge amount is calculated from the liquid tubing total length as follows.Amount of Refrigerant Charge Per ft., According to Liquid Tubing SizeLiquid tubing size Amount of refrigerant(in. (mm)) charge (oz/ft.)ø1/4" (ø6.35) 0.279ø3/8" (ø9.52) 0.602ø1/2" (ø12.7) 1.38ø5/8" (ø15.88) 1.99ø3/4" (ø19.05) 2.78ø7/8" (ø22.22) 3.93Required amount of additional refrigerant charge = [(Amount ofadditional refrigerant charge per ft. of each size of liquid tube ×its tube length) + (...) + (...)] + [Necessary amount of additionalrefrigerant charge per outdoor unit + (...) + (...)]* Always charge accurately using a scale for weighing.Table 2-1-1 Necessary Amount of Refrigerant Charge Per Outdoor UnitU-72MF1U9U-72MF1U9EU-96MF1U9U-96MF1U9E42 oz/unit 42 oz/unit |
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