Hitachi RAD-18NH7A Service Manual page 44

REFRIGERATING CYCLE DIAGRAM
MODEL RAD-50NH7A
RAC-50NH5
COOLING, DEHUMIDIFYING, DEFROSTING
OUTDOOR UNIT
ELECTRIC
EXPANSION VALVE
HEATING
OUTDOOR UNIT
ELECTRIC
EXPANSION VALVE
REVERSING
VALVE
SERVICE VALVE
STRAINER
STRAINER
REVERSING
VALVE
SERVICE VALVE
STRAINER
STRAINER
SERVICE VALVE
INDOOR UNIT
(1/2)
SINGLE-ENDED
UNION (1/2)
12.7
SUCTION
TANK
(1/4)
SINGLE-ENDED
UNION (1/4)
SERVICE VALVE
INDOOR UNIT
(1/2)
SINGLE-ENDED
UNION (1/2)
SUCTION
12.7
TANK
(1/4)
SINGLE-ENDED
UNION (1/4)
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