2
GB
1. Unit Components
Figure 1 Top view of the refrigerant pipes inside an outdoor unit
CJ5
CJ5
CJ4
CJ2 CJ1
B
C
A
I
H
J
G
F
D
CJ4
CJ3
E
Figure 2 Valve types allocations
A
: Refrigerant charge port (for automatic
charging only)
B
: Check joint on the low-pressure side
A port through which additional refrigerant
is charged after the completion of
refrigerant oil recovery operation
C
: Service port on the high-pressure valve
Connecting port to the refrigerant circuit
• Evacuation port (high-pressure side)
• A port through which refrigerant for the
indoor units is charged
D
: Service port on the low-pressure valve
Connecting port to the refrigerant circuit
• Evacuation port (low-pressure side)
• A port through which refrigerant for the
indoor units is charged
E
: A valve to be closed after the completion
of refrigerant oil recovery operation (BV3)
(Be sure to close this valve after the
completion of refrigerant oil recovery
operation.)
F
: High-pressure valve
G
: Low-pressure valve
H
: O/T
I
: ACC
J
: COMP
CJ3: Refrigerant charge port
CJ4: Oil sampling port
CJ5: Refrigerant oil discharge port
WT06218X01_en.fm Page 2 Tuesday, December 14, 2010 4:19 PM