Westinghouse WPAPH-090CA4, Service Manual

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WESTINGHOUSE PACKAGE A/C MANUAL R-410A : 220V: 60Hz
5
4.5 Quiet operation
Noise and vibration have been effectively reduced by adopting new style hermetic compressor. The
centrifugal fan and fan casing are optimum shaped for efficient and low noise operation.
5. Cabinet
5.1 Sloped drain pan and drain pipe.
5.2 Cabinets have forklift and lifting holes for easy transportation.
5.3 Cabinets have fresh air function, and the filter can be washable.
5.4 External pressure gauge port.
The external pressure gauge port, which is identified permanently and clearly the
embossed wording, H is high pressure connection and L is low pressure connection.
With the gauge port mounted externally, an accurate diagnostic for system
operation can be quick and easy without disrupting airflow.
5.5 Durable construction.
Weather-resistant construction with capped seams and sloped top panels.G90 galvanized heavy gauge
plate conforming to ASTM-A-653, Zinc content of galvanized plate is 275 g/m
2 .
Fresh air inlet
(except for 5ton)