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66 5. Inspect liquid line indicator in AC compartment for moisture content. Record color below. Green (dry) _____ Yellow (wet) _______ 6. Inspect compressor clutch for evidence of wear, overheating, and broken friction plate or springs. Inspect for leaks at front compressor seal. Mark as acceptable or defective. Elaborate on any defects on attached Defects Record Sheet. Clutch Condition: Acceptable_____ Defective_________ Clutch

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71 a) To initiate the Relay Test, press either the up or down arrow key when (RT) appears in the display. When initiated, the Relay Test turns on the first relay. b) To scroll through the relay tests, press either the up or down arrow key. The output on the digital display is turned on and all other outputs are turned off. Consult the unit schematic diagram to determine what component(s) are controlled by each output. Note: The controller has time limits for outputs that can cause damage if left on too long. c) To exit the Relay Test at any time, press the Display Select key. Ensure that the main and sidewall water valves are opening and closing when the unit cycles on/off (lines should be warm when operating) and check coolant booster pump seal for evidence of leaks. Mark as acceptable or defective. Elaborate on any defects on the attached Defects Record Sheet. Acceptable: _____ Defective: ______

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