Operation, Operating guidelines, Warning – Robinair AC375C Refrigerant Recovery, Recycle, Recharge Unit User Manual

Page 16

This manual contains important procedures concerning the setup, operation, and
maintenance of the unit. Read and follow all warnings at the beginning of this
manual. Do not operate the unit until you have read and entirely understand the

contents of this manual. If you do not understand any of the contents of this manual,
notify your supervisor.

If the operator cannot read these instructions, all instructions and safety precautions
must be read and discussed in the operator’s native language.

WARNING

Operating Guidelines

For best results when operating the unit, use the following guidelines along
with the operation instructions contained in this manual.

The compressor pulls the A/C system to a partial vacuum only. Use the
vacuum function for a minimum of 15 minutes to remove moisture from the
A/C system. Refer to Evacuating the A/C System in the “Operation”
section of this manual.

The unit includes a 71 l/m (3 cfm) high vacuum pump for fast, thorough
evacuation. Change the vacuum pump oil after every 10 hours of vacuum
pump use. The unit displays a CHANGE OIL message as a reminder.
Refer to Changing the Vacuum Pump Oil in the “Maintenance” section
of this manual.

The unit is equipped with a circuit breaker button, located on the back of
the unit. If the circuit breaker trips, the unit will not function correctly and
will lose all power. If necessary, press the circuit breaker button to reset
the unit.

This unit should be operated between the ambient temperatures of
11–49

C (50–120

F). At temperatures exceeding 40

C (104

F), wait 10

minutes between recovery jobs.

Follow the SAE-J2211 recommended service procedure for the containment
of R-134a refrigerant, or SAE-J1989 for R-12 refrigerant.

During normal use, periodically inspect the unit for leaks. At a minimum,
inspect the unit every three months. Refer to Checking for Leaks in the
“Maintenance” section of this manual.

Operation

CAUTION:
Using the
recovery
compressor in
vacuum for an
extended period
of time could
damage the
compressor.