User Manual

27
U S E ▲ ▼ T O C H
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N G E
S E L E C T E D O U T P U T
S T
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R T T O G G L E S O N & O F F
S T O P T O E N D
U S E ▲ ▼ T O C H
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N G E
S E L E C T E D I N P U T
S T O P T O E N D
# # # # # # # # # # #
P E R F O R M C O M B O F I L T E R
R E P L
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C E M E N T ?
S E L E C T Y E S O R N O
C H E C K I N G
P R E S S U R E S
P L E
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S E W
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I T
R E M O V E
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N D R E P L
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C E
C O M B O F I L T E R
C O N T I N UE?
E N T E R F I L T E R S E R I
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L
N U M B E R
# # # # # #
C O N T I N UE?
P E R F O R M V
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C U U M P U M P
O I L R E P L
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C E M E N T
S E L E C T Y E S O R N O
R E F E R T O M
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N U
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L F O R
C O M P L E T E I N S T R U C T I O N
F O R V
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C O I L C H
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N G E
C O N T I N UE?
Inputs and outputs of devices in the RHS980 can be
checked for diagnostic purposes. Press YES key.
Press ▲ or ▼ key to select various outputs. The
output identification number will display on the screen.
For a selected output, press the START key to toggle
it on and off. Press STOP key to advance to next
screen.
Press ▲ or ▼ key to select various inputs. The input
identification number will display on the screen. For a
selected input, press the START key to toggle it on
and off and display units. Press STOP key to advance
to next screen.
The RHS980 combo filter must be replaced after every
150 LB (68 KG) of refrigerant has been recovered from
A/C systems. A reminder message will appear after
the filter capacity reaches 125 LB (57 KG) and the unit
is powered ON. Press YES to start the procedure to
change the combo filter. This filter can be accessed by
removing the literature pocket on the left side of the
RHS980. Press YES key.
Internal pressure of the combo filter will be checked. If
pressure is detected a buzzer will sound and the
display will indicate the need to go to recycle mode to
eliminate the pressure.
This screen will display if pressure was not detected.
Replace the combo filter. Note the serial number on
the new combo filter label as it may not be visible
when installed. Press START key.
Enter the new six digit combo filter serial number.
Press START key.
The RHS980 records the hours of vacuum pump use
and prompts after every 10 hours that the oil should be
changed. Earlier replacement of oil may be required if
oil appears cloudy or vacuum performance is
unsatisfactory. Press YES key to replace the vacuum
pump oil.
Refer to Vacuum Pump Maintenance Section in this
manual for complete instructions for the vacuum pump
oil change procedure. Press START key when oil has
been changed. RTI recommends changing of both in-
line hose screen filters at this interval also. See
PARTS IDENTIFICATION section for details.