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Electric
expansion
valve
Electric
expansion
valve
Silencer
Silencer
Service
valve
(3/8"
)
Service
valve
(3/8"
)
INDOOR UNIT
Reversing
valve
REFRIGERATING CYCLE DIAGRAM
MODEL RAS-25SX8 / RAC-25SX8, RAS-35SX8 / RAC-35SX8
OUTDOOR UNIT
COOLING
CYCLE
OUTDOOR UNIT
HEATING
CYCLE
φ
7.0
φ
7.0
φ
7.0
φ
7.0
φ
7.0
φ
7.0
φ
7.0
φ
7.0
φ
9.52
Two way
valve
Two way
valve
φ
6.35
φ
6.35
φ
9.52
Single-ended union
(
1/4"
)
Single-ended union
(
3/8"
)
φ
9.52
φ
12.7
φ
9.52
φ
8.0
φ
12.7
φ
12.7
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
4.76
Charge port
(
1/2"
)
φ
12.7
INDOOR UNIT
Compressor
Service
valve
(
1/4"
)
Service
valve
(
1/4"
)
Str
ainer
Str
ainer
Str
ainer
Str
ainer
Silencer
Silencer
φ
7.0
φ
7.0
φ
7.0
φ
7.0
φ
7.0
φ
7.0
φ
7.0
φ
7.0
φ
9.52
φ
6.35
φ
6.35
φ
9.52
Single-ended union
(
1/4"
)
Single-ended union
(
3/8"
)
φ
9.52
φ
12.7
φ
9.52
φ
8.0
φ
12.7
φ
12.7
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
6.35
φ
4.76
Charge port
(
1/2"
)
φ
12.7
Compressor
Reversing
valve
– 150 –