Robinair 34288 Recovery, Recycling, Recharging Unit - Manual (Page 16)

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5 . .The .display .reads .PLEASE .REPLACE .FILTER . .
Open .the .rear .door .of .the .unit .and .unscrew .the .old .
filter . .See .Figure .8 . .
6 . .Look .at .the .new .filter—verify .both .o-rings .are .
lubricated .and .correctly .located .in .the .grooves . .See .
Figure .9 . .Thread .the .new .filter .into .place . .Press .
START / YES .
Note: If the display shows SERIAL .NUMBER .ERROR,
the serial number is invalid or the filter-drier has
already been used in this unit.
7 . .Close .the .door . .Press .STOP / NO .to .exit . .The .filter-
drier .replacement .is .now .complete .
Replace the Filter-Drier contd.
Maintenance
Filter-Drier
Rear View
(without shroud)
Adjust Tank Fill Level
When .connected .to .a .refrigerant .source, .the .unit .
maintains .a .default .value .of .15 .lbs . .of .refrigerant .in .the .
internal .storage .vessel . .This .value .may .be .adjusted .up .
or .down .to .suit .the .application . .
1 . .Press .MENU .
2 . .Use .the .arrow .keys .to .scroll .through .the .menu .to .
ADJUST .TANK .FILL .LVL, .and .press .START /
YES . .The .unit .displays
LEVEL: .15 .00 .LBS .
ENTER .TANK .FILL .LVL
LIMIT: .4 .TO .17 .LBS .
PRESS .START ./ .YES .TO .SAVE
3 . .Use .the .arrow .keys .to .enter .a .value .between .4 .lbs . .
and .17 .lbs ., .and .press .START / YES.
Figure 8
O-rings
Figure 9
Check for Leaks
Check .the .unit .for .leaks .every .three .months, .or .as .
specified .by .law .in .your .jurisdiction . .
1 . .Turn .off .MAIN POWER, .and .disconnect .the .power .
cord .from .the .outlet .
2 . .Open .the .rear .door; .remove .top .cover .and .front .panel .
3 . .Use .a .leak .detector .to .probe .all .connections .for .
refrigerant .leaks . .Tighten .fittings .if .a .leak .is .indicated .
4 . .Reassemble .the .body .panels, .and .close .the .rear .door .
Inspect the unit periodically for leaks.
The manufacturer does not reimburse
for lost refrigerant.