Robinair 17801B Recovery, Recycling, Recharging Unit - Manual (Page 14)

© Bosch Automotive Service Solutions LLC
12
ENGLISH
Operating Instructions
CAUTION:
Before changing
refrigerant
types,
disconnect the
red high-side
and blue low-
side hoses from
the A/C system.
CHANGING REFRIGERANT TYPES
. 1.. Verify.the.red.high-side.and.blue.low-side.hoses.are.disconnected.from.the.
A/C.system,.then.open.the.manifold.and.tank.valves.
. 2.. Press.and.release. SHIFT/RESET until the “Clr” message appears.
. 3.. Press. HOLD/CONT.to.start.the.system.oil.separator.clearing.process.
. . During.the.system.oil.separator.clearing.process,.the.compressor.is.activated.
and.the.“OIL”.message.displays..The.compressor.will.stop.while.the.unit.
equalizes.pressure.and.the.“OIL”.message.will.continue.to.display..When.the.
unit.reaches.the.correct.pressure,.the.display.alternately.flashes.the.messages.
“OIL”.and.“drn.”.Open.the.system.oil.drain.valve.to.drain.the.oil..After.all.oil.
has.drained,.close.the.oil.drain.valve..The.message.changes.to.“Cont.”..Press.
any.key.to.complete.the.oil.separator.clearing.process..When.compressor.
stops.again,.the.message.changes.to.“CL-c.”
NOTE:
Perform
“RECOVERY
PROCEDURES”
before starting
“CHANGING
REFRIGERANT
TYPES.”
Diagram of Unit’s Components — External View
INST0916
AUTOMATIC VACUUM OIL
HOLD CL-c
High Side Port
Low Side Port
Lockout Door
Blue Liquid Hose
Red Vapor Hose
Tank Liquid Valve
Tank Vapor Valve
Air Purge Fitting
50 lb. (23 kg)
Unit Tank
Scale Assembly
Air Purge Hose