XVIII
2.4.2 Removing the Fan Grille 443
2.4.3 Removing the Propeller Fan 443
2.4.4 Removing the Fan Motor 443
2.4.5 Removing the Refrigerant Components 444
2.4.5.1 Removing the Low Pressure Switch (PSL) 444
2.4.5.2 Removing the High Pressure Switch (PSH) 445
2.4.5.3 Removing the Expansion Valve and Coil 445
2.4.5.4 Removing the 4-way Reversing Valve Coil 446
2.4.5.5 Removing the 4-way reversing valve 447
2.4.6 Removing Cycle and Hydraulic Components 448
2.4.6.1 Removing the Air Purge Valve 448
2.4.6.2 Removing the Safety Valve 449
2.4.6.3 Removing the Water Pump 450
2.4.6.4 Removing the Pressure Sensor (Water Cycle) 453
2.4.6.5 Removing the Expansion Vessel 454
2.4.6.6 Removing the Compressor 456
2.4.7 Removing the Electrical Components 458
2.4.7.1 Location of electrical components 458
2.4.7.2 Removing the Electrical Box Assembly on Outdoor Part 459
2.4.7.3 Replacing O.U. main PCB 460
2.4.7.4 Removing the Electrical Box Assembly on Indoor Part 463
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