D
C B
A
L
G
F
E
I
Valve
Refrigerant Hose
A
Manifold >Low Pressure Gauge
E
Connection Hose valve A > L, Outdoor Unit
B
Manifold > Vacuum Pump
F
Connection Hose valve B > Vacuum Pump
C
Manifold > Refrigerant Cylinder
G
Connection Hose valve C > R-290 Cylinder
D
Manifold (Vacuum Gauge)
I
Connection Hose valve D > Vacuum Gauge
H
Outdoor Unit Liquid Side (High)
L
Outdoor Unit Gas Side (Low)
H
Refrigerant Circuit—Evacuation and Charging
Indoor
Unit
Outdoor
Unit