Emerson ZX User Manual page 27

Expansion valve
LL Solenoid valve
Interconnecting
Piping
(Insulated)
Suction service hose.
size = 1/4"
Clean (new)
refrigerant
R22
10.0 Leak Checking and Evacuation (See Fig.16 )
Evaporator
Note: Remove both
schraeder cores before
evacuation & charging.
4 port Guage Manifold
H
L
Main service connection
size = 3/8"
Vacuum guage
ATMS
O
N
5000
1500
O
F
1000
F
700 GOOD
400
300
200
100
50
MICRONS
VACUUM GAUGE
Shraeder conn.
MP
LP
Liquid/discharge service hose
size = 1/4"
Vacuum Pump
27
ZX UNIT
4
HP
AIRFLOW
4
AIRFLOW