Robinair 17801B Recovery, Recycling, Recharging Unit - Manual (Page 35)

Model 17800B/17801B Recovery/Recycling/Recharging Unit
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ENGLISH
Segment A — Indicates in which mode the unit is operating:
PROGRAM — The unit is in the programming mode, which allows you to
program vacuum time and refrigerant weight or review the existing program.
HOLD — This mode is used to change a refrigerant tank or to interrupt the
vacuum/charging/recovery cycles.
AUTOMATIC — Indicates the unit is running in a given cycle and will
automatically stop when the cycle is complete. One exception: The recycling
process must be stopped by pressing HOLD/CONT.
Segment B — Indicates the unit is either evacuating the A/C-R system OR
recovering, recycling, or recharging refrigerant OR that the unit is ready to be
programmed for one of the following functions. (Use the chart on the next page as
a quick reference for interpreting Segment B messages.)
VACUUM
• With PROGRAM, indicates the unit is ready to be programmed for vacuum.
• With AUTOMATIC, indicates the vacuum pump is running; the number
displayed counts down in minutes and seconds, showing the amount of time
remaining.
• With HOLD, indicates that HOLD/CONT was pressed to interrupt the
vacuum cycle.
RECYCLE
• With AUTOMATIC, indicates the unit is recycling refrigerant from the tank.
CHARGE
• With PROGRAM, indicates the unit is ready to be programmed for the
amount of refrigerant to be charged into the A/C-R system; on the keypad,
enter the charge in pounds and hundredths of a pound or kilograms,
depending on the measurement mode selected.
• With AUTOMATIC, indicates the unit is charging refrigerant into the A/C-R
system; the number shown on the digital display counts down, showing the
remaining amount of refrigerant to be dispensed.
• With HOLD, indicates that HOLD/CONT was pressed to interrupt the
charging cycle; the number shown on the digital display is the amount of
refrigerant remaining to be charged into the A/C-R system; to continue
charging, press HOLD/CONT again.
Operating Guidelines