3english, Introduction, General operating guidelines – Robinair 17801B Recovery, Recycling, Recharging Unit User Manual
Page 5
Model 17800B / 17801B Recovery/Recycling/Recharging Unit
3
ENGLISH
GENERAL OPERATING GUIDELINES
•. The.voltage.at.the.unit.must.be.±10%.of.the.unit’s.rated.voltage..Extension.cords.
must.be.a.minimum.of.14.AWG.and.kept.as.short.as.possible.
•. To.interrupt.any.procedure.(other.than.clearing),.press.
HOLD/CONT..Press.
HOLD/CONT.again.to.resume.operation.
•. System.oil.should.be.drained.at.the.end.of.every.recovery.or.recycling.procedure,.
during.the.clearing.process,.or.whenever.oil.is.visible.in.the.sight.glass.
•. The.indicator.light.will.tell.you.the.state.of.the.refrigerant.coming.into.the.unit.
during.recovery:.
ON is.liquid,.OFF is.vapor..The.light.is.not.used.for.recycling,.
since.the.refrigerant.coming.from.the.tank.will.always.be.a.liquid.
•. Some.tanks.have.slightly.different.valve.configurations..Connect.the.red.hose.to.
the.GAS.(vapor).valve;.connect.the.blue.hose.to.the.LIQUID.valve.
•. To.ensure.scale.readings.are.as.accurate.as.possible,.before.each.procedure,.
verify.the.tank.is.not.touching.the.sides.of.the.cart.
•. To.minimize.mixing.of.refrigerants,.follow.the.steps.in.Changing Refrigerant
Types.when.switching.between.refrigerant.types.
•. When.the.unit.is.first.turned.on,.the.display.shows.either:.
. “134a”.(indicates.R-134a.automotive.refrigerant.using.
1
/
2
".Acme.fittings);.“R12”.
(indicates.all.other.refrigerant.types.using.
1
/
4
".flare.fittings);.or
. “DOOR”.(indicates.the.unit.has.been.cleared)..
. Select.R-12.or.R-134a,.and.verify.you.have.selected.the.correct.refrigerant.type.
•. Use.the.correct.hose.set.for.the.refrigerant.type.selected:
Hose Set
Tank Hoses (3)
System Hoses (2)
R-134a automotive
36",
1
/
2
" Acme with
96", one Quick Seal
double Quick Seal
with one quick coupler
R-12 automotive
36",
1
/
4
" flare with
96",
1
/
4
" flare with
double Quick Seal
double Quick Seal
All other refrigerant types
36",
1
/
4
" flare with
96",
1
/
4
" flare with
single Quick Seal
ball valve
Introduction