User Manual - Page 187

For IRT1900N263E.

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Part Number: 000015430 Rev 02 5/20 187
CONNECTIONS
Notice
Recovery/evacuation of a remote system requires
connections at four points for complete system
evacuation.
Make these connections:
Suction side of the compressor through the suction
service valve.
Discharge side of the compressor through the
discharge service valve.
Receiver outlet service valve, which evacuates the
area between the check valve in the liquid line and the
liquid line solenoid.
Access (Schrader) valve on the discharge line
quick-connect fitting, located on the outside of the
compressor/evaporator compartment. This connection
evacuates the condenser. Without it, the magnetic
check valves would close when the pressure drops
during evacuation, preventing complete evacuation of
the condenser.
NOTE: Manitowoc recommends using an access valve core
removal and installation tool on the discharge line quick-
connect fitting. This permits access valve core removal.
This allows for faster evacuation and charging, without
removing the manifold gauge hose.
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