Refrigerating Cycle Diagram; Cooling Cycle; Heating Cycle - Hitachi RAF-50FX8 Service Manual

REFRIGERATING CYCLE DIAGRAM

MODEL RAF-50FX8 / RAC-50FX8
COOLING CYCLE
OUTDOOR UNIT
φ12.7
φ7.0
φ9.52
φ7.0
φ9.52
φ7.0
φ7.0
OUTDOOR
HEAT
EXCHANGER
φ7.0
φ4.76
HEATING CYCLE
OUTDOOR UNIT
φ7.0
φ9.52
φ7.0
φ9.52
φ7.0
φ7.0
OUTDOOR
HEAT
EXCHANGER
φ7.0
φ4.76
EU1013E2
φ8.0
φ8.0
(SCROLL)
REVERSING
VALVE
AIR FLOW
ELECTRIC
EXPANSION
VALVE
φ7.0
φ6.35
φ6.35
STRAINER
φ6.35
STRAINER SILENCER
EU1013E2
φ12.7
φ8.0
φ8.0
AIR FLOW
ELECTRIC
EXPANSION
VALVE
φ7.0
φ6.35
φ6.35
STRAINER
φ6.35
STRAINER SILENCER
SUCTION
TANK
φ12.7
SERVICE
VALVE
(4S)
φ12.7
φ12.7
φ12.7
SILENCER
φ12.7
AIR FLOW
SERVICE
VALVE
(2S)
φ8.0
SUCTION
TANK
φ12.7
SERVICE
VALVE
(4S)
φ12.7
(SCROLL)
φ12.7
REVERSING
VALVE
φ12.7
SILENCER
φ12.7
AIR FLOW
SERVICE
VALVE
(2S)
φ8.0
– 82 –
INDOOR UNIT
INDOOR
HEAT
EXCHANGER
φ7.0
φ8.0
SILENCER
φ7.0
φ7.0
φ7.0
φ8.0
INDOOR UNIT
INDOOR
HEAT
EXCHANGER
φ7.0
φ8.0
SILENCER
φ7.0
φ7.0
φ7.0
φ8.0
φ12.7
φ12.7
φ12.7
φ12.7