Introduction, 4menu functions – Robinair 34788-H Recovery, Recycling, Recharging Unit User Manual
Page 6

4
Menu Functions
1. Press the MENU button on the keypad.
2. Press the UP or DOWN arrow key to scroll
through the menu choices shown on the
second line of the display :
SELECT LANGUAGE
VERSION X.XX
SELECT UNITS
MAINTAIN VACUUM OIL
MAINTAIN FILTER
REFRIG MANAGEMENT
MANUAL REFILL
ADJUST TANK FILL LVL
CALIBRATION CHECK
SELECT BEEPER TONE
SERVICE MENU
HOSE FLUSH
DISPLAY TANK INFO
SYSTEM FLUSH
3. Press START / YES to make a choice
from the menu. Press STOP / NO to pause
during any process, and STOP / NO a
second time to exit a process.
Introduction
Select Language
Operator may choose to have prompts displayed in one of three
languages: English, Spanish, or French.
Version X .XX
Displays the revision level of the software in the unit.
Select Units
The operator may choose to have test results displayed in
Imperial (lb.), Imperial (lb. and oz.), or Metric (kg).
Maintain Vacuum Oil
For maximum vacuum pump performance, change vacuum
pump oil after every 10 hours of operation. This menu item
Arrow
Keys
Start / Yes
Button
Stop / No
Button
Menu
Button
displays how long the vacuum pump has operated since the
last oil change, and allows the user to reset the value once an
oil change is complete. Refer to the instructions outlined in the
Maintenance section under Change Vacuum Pump Oil .
Maintain Filter
The filter-drier removes acid, particulates, and moisture
from the refrigerant. To meet SAE J-2788 requirements,
it is mandatory to replace the filter-drier after 150 lbs.
(68 kg) of refrigerant has been filtered. This menu item shows
how much refrigerant has been filtered since the last filter
change, and allows the user to reset the value once a filter
change is complete. A code, which appears on the filter, must
be entered into the unit to ensure compliance with SAE J-2788.
Refer to instructions outlined in the Maintenance section under
Replace the Filter-Drier .
Refrig Management
Displays the amount of refrigerant recovered, charged, and
replenished (for the life of the unit), and filtered (since the last
filter change).
Manual Refill
Use to transfer refrigerant from the source tank to the internal
storage vessel (ISV). Refer to instructions outlined in the
Maintenance section under Manually Fill the ISV .
Adjust Tank Fill LVL
When connected to a refrigerant source, the unit maintains
a pre-set amount of refrigerant in the internal storage vessel
(default is 15 lbs.). This value may be adjusted up or down
to suit the user’s needs. Refer to instructions outlined in the
Maintenance section under Adjust Tank Fill Level .
Calibration Check
Use to verify internal scale calibration. Refer to instructions in
Maintenance section under Scale Calibration Check .
Select Beeper Tone
Select one of two tones for an alert signal, or mute the signal
completely.
Service Menu
For Robinair service center use only.
Hose Flush
Flushes residual PAG oil from the unit for service of electric
POE oil-based hybrid systems.
Display Tank Info
Displays internal storage vessel (ISV) pressure and temperature.
Use to check the ISV for excessive pressure.
System Flush
When used with the appropriate flush adapter kit, this menu
item allows the A/C system or component to be flushed with
R-134a refrigerant.