4. Refrigerant circuit
4-1. Models: WHS09SZA21S, WHS12SZA21S, WHS18SZA21S,
WHS24SZA21S, WHS30SZA21S, WHS09SZA11S, and
WHS12SZA11S
4-1. Models: WHS09SZA21S, WHS12SZA21S, WHS18SZA21S, WHS24SZA21S,
WHS30SZA21S, WHS09SZA11S, and WHS12SZA11S
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4. Refrigerant circuit