Hitachi RAD-25NH4 - Page 46

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REFRIGERATING CYCLE DIAGRAM
MODEL RAD-40NH4
RAC-50NH4
COOLING, DEHUMIDIFYING, DEFROSTING
OUTDOOR UNIT
REVERSING
VALVE
SUCTION
TANK
SERVICE VALVE
(1/2)
INDOOR UNIT
SINGLE-ENDED
UNION (3/8)
COMPRESSOR
SINGLE-ENDED
UNION (1/4)
SERVICE VALVE
(1/4)
ELECTRIC
EXPANSION VALVE
STRAINER
STRAINER
HEATING
OUTDOOR UNIT
REVERSING
VALVE
SUCTION
TANK
SERVICE VALVE
(1/2)
INDOOR UNIT
SINGLE-ENDED
UNION (3/8)
COMPRESSOR
SINGLE-ENDED
UNION (1/4)
SERVICE VALVE
(1/4)
ELECTRIC
EXPANSION VALVE
STRAINER
STRAINER
ADAPTOR
ADAPTOR
12.7