Robinair AC375C Refrigerant Recovery, Recycle, Recharge Unit - Manual (Page 12)

© 2006 SPX Corporation
10
Add refrigerant to the internal storage vessel (ISV) after adding oil to the
vacuum pump. After the initial refrigerant fill, refill the ISV as necessary.
(Refer to Adding Additional Refrigerant to the ISV.) The AC375C is shipped
as an R-12 refrigerant unit. Use the following steps to dedicate the unit to
R-134a refrigerant and add refrigerant to the internal storage vessel.
Wear safety goggles when working with refrigerant. All hoses
may contain liquid refrigerant under pressure. Disconnect
hoses using extreme caution. Read and follow all warnings at
the beginning of this manual before operating the unit.
WARNING
Initial Setup
INST0986
Adding Refrigerant to the Internal Storage Vessel
CAUTION: Use
only one type of
refrigerant
(either
R-134a or R-12)
in the unit. Do
not mix
refrigerant types
through a
system or in the
same container;
mixing of
refrigerants will
cause severe
damage both to
the unit and the
vehicle air
conditioning
system. Do not
attempt to adapt
the unit for an-
other refrigerant.
Source Tank
Compartment
Source
Tank Strap
R-134a
High-Side Hose
Storage Fitting
R-134a
Low-Side Hose
Storage Fitting
Unit Components - Side View