Directions For Use - Würth R-1234Yf Originalbetriebsanleitung

To observe operating pressure
To charge refrigerant through
suction valve
To charge oil through suction
valve
To charge liquid refrigerant
through discharge valve
To build low pressure; for con-
trol setting or leak detecting
To purge refrigerant from
discharge valve
To evacuate with auxiliary
vacuum pump
6

Directions for use

Manifold
A B
Low side High Charging and
blue side red evacuation port
yellow
Closed Closed
Open Closed Connect line
to refrigerant
supply
Open Closed Connect line to
oil supply
Open Open Connect line to
refrigerant
Closed Open Refrigerant line
closed
Closed Open Refrigerant line
open
Open Open Connect to
vacuum pump
Compressor
C D
Discharge service
valve red
Back seated and
cracked open
Back seated and
cracked open
Back seated
Midway open
Back seated and
cracked open
Back seated and
cracked open
Midway open
E
Suction
service valve
blue
Back seated
and cracked
open
Back seated
and cracked
open
Front seated
Midway open
Midway open