18 english operating instructions – Robinair 17801B Recovery, Recycling, Recharging Unit User Manual
Page 20
© Bosch Automotive Service Solutions LLC
18
ENGLISH
Operating Instructions
CAUTION:
When setting
up for new
types of
refrigerant,
a clearing
process must
be performed.
ADDING REFRIGERANT TO THE TANK
CAUTION:
R-134a systems have special fittings (per SAE
specifications) to avoid cross-contamination with other refrigerant
systems. Read and follow all warnings given at the beginning of this
manual.
NOTE: .Purchase only tanks of R-134a refrigerant that have 1/2 inch (1.2cm)
Acme threads. This is necessary to match the hose adapter.
.....1..Connect.the.96-inch.(244.cm).blue.low-side.hose.to.the.unit's.low-side.port.
NOTE:.Disposable tanks have only one valve and most must be turned upside
down to transfer liquid. If you are using a disposable tank, follow the instructions
on the side of the tank to obtain a liquid supply.
. 2..
When using R-12,.connect.the.6-inch.(15.2-cm).yellow.adapter.to.the.
source.tank.liquid.valve.first..Then.connect.the.96-inch.(244-cm).blue.low-
side.hose.to.the.adapter.
When using R-134a,.connect.the.low-side.connector.port.adapter.to.the.
source.tank.liquid.valve.first..Then.connect.the.blue.96-inch.(244-cm).low-
side.hose.directly.to.the.adapter.
. 3.. Open.the.LIQUID.valve.on.the.source.tank..(There.is.only.one.valve.on.a.
non-refillable.tank.)
. 4.. Close.the.high-side.manifold.valve,.and.open.the.low-side.manifold.valve.on.
the.front.panel.of.the.unit..Open.both.valves.on.the.unit.tank.
. 5....Press.
SHIFT/RESET.and.ENTER.at.the.same.time.to.access.the.diagnostic.
mode..The.display.shows.the.message.“FUNC.”
6.. Press
2.to.begin.transferring.refrigerant..The.display.shows.the.“Add”.
message.for.about.two.seconds,.then.shows.the.amount.of.refrigerant.
transferred.
(continued)