Robinair 34988 Recovery, Recycling, Recharging Unit - Manual (Page 17)

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554228 Rev. E July 30, 2013
9. If COMPENSATE was selected, the
display reads
HOSE COMPENSATION IN PROGRESS
PLEASE WAIT
DO NOT DISTURB UNIT OR CHARGE
ACCURACY WILL BE AFFECTED.
HOSE CLEAR
DISCONNECT LOW SIDE AND
HIGH SIDE HOSES FROM A/C SYSTEM.
SELECT NEXT TO CONTINUE
OR EXIT TO ABORT.
10. Close coupler valves. Remove service
hoses from the A/C system and install on
unit's storage ports.
CAUTION: If the low-side or high-side
coupler valves are left open during the
hose clearing process, the system will
pull refrigerant back out of the vehicle .
11. Select NEXT to begin clearing hoses
to prepare the machine for the next
service.
When the hoses are clear, the display reads
REFRIGERANT: XX.XX LB
SOURCE TANK EMPTY
SELECT FUNCTION USING KEYS
BELOW
The A/C system is now ready for use.
Operating Instructions
Recharge the A/C System contd .
9. If EQUALIZE was selected, the display
reads
HOSE EQUALIZE
CONNECT LOW SIDE SERVICE HOSE
TO A/C SYSTEM AND OPEN COUPLER.
MAKE SURE HIGH SIDE HOSE IS
DISCONNECTED FROM A/C SYSTEM.
START A/C SYSTEM ON MAX AND/OR
RECIRCULATE.
Close the high-side coupler valve. The
high-side hose may be removed from
the vehicle, but the low-side hose must
stay connected to the vehicle with the
low-side coupler open.
10. Place the vehicle gear selector in park or
neutral, with the emergency brake ON.
11. Start the vehicle. Set the A/C system at
maximum output.
12. Select NEXT. The display reads
EQUALIZING HOSES. PLEASE WAIT.
The unit internally connects the low- and
high-side hoses, allowing the vehicle’s
compressor to pull refrigerant into the
A/C system.
13. When the charge is complete, the unit
displays
DISCONNECT LOW SIDE AND HIGH SIDE
HOSES FROM A/C SYSTEM
Close the low-side coupler valve.
Remove service hoses from A/C system
and install on unit's storage ports. Shut
OFF vehicle.
CAUTION: If the low-side or high-side
coupler valves are left open during the
hose clearing process, the system will
pull refrigerant back out of the vehicle .
14. Select NEXT to begin clearing hoses
to prepare the machine for the next
service.
When the hoses are clear, the display
returns to the main menu, and the A/C
system is now ready for use.