Robinair 17801B Recovery, Recycling, Recharging Unit - Manual (Page 17)

Model 17800B / 17801B Recovery/Recycling/Recharging Unit
15
ENGLISH
RECYCLING PROCEDURES
WARNING:
Wear safety goggles when working with refrigerant. Use only
authorized refillable refrigerant tanks. Disconnect hoses using
extreme caution!
All hoses may contain refrigerant under pressure. Read and
follow all warnings at the beginning of this manual before
operating the unit.
. 1.. Verify.both.valves.on.the.tank.are.open..
. 2.. Press.and.hold. SHIFT/RESET,.then.press.“1”.to.start.the.recycling.process.
. . If.the.recovery.tank.is.full,.the.display.will.show.the.message.“FULL.”.Press.
HOLD/CONT.to.resume.operation.
. 3.. After.about.five.(5).minutes.of.recycling,.the.tank.temperature.should.
equalize..You.can.then.purge.non-condensables.
. 4.. To.purge.non-condensables,.check.the.tank.temperature.gauge.to.find.the.
temperature.of.the.refrigerant..Use.that.temperature.to.find.the.correct.
pressure.for.that.refrigerant.on.the.pressure/temperature.chart.on.the.top.of.
the.unit..Compare.the.pressure.from.the.chart.to.the.pressure.shown.on.the.
tank.pressure.gauge..If.the.gauge.pressure.exceeds.the.target.pressure.by.more.
than.10.psi,.open.the.air.purge.valve.on.the.control.panel.for.about.30.seconds.
to.release.non-condensables.from.the.tank..Then.close.the.air.purge.valve.
and.allow.the.tank.to.stabilize.for.about.30.seconds..Check.the.tank.pressure.
gauge.again..Repeat.this.step.as.necessary.during.the.recycling.procedure.
. . Note:.The.tank.temperature.display.can.show.Fahrenheit.or.Celsius.degrees..
Refer.to.Changing the Temperature Scale.in.this.manual.
. 5.. To.stop.recycling,.close.the.tank’s.LIQUID.valve..The.unit.will.pull.into.a.
vacuum.and.shut.off.automatically..Press.any.key.to.exit.recycle.mode.
CAUTION:
You can stop
recycling
instantly by
pressing HOLD/
CONT, then
SHIFT/RESET,
but this can leave
liquid refrigerant
in the low side of
the unit. Closing
the tank’s LIQUID
valve is the
recommended
method.
Operating Instructions
HOLD
AUTOMATIC RECYCLE FULL