26h) Interchange the position of panels and , fasteningthem correctly to the unit.i) Bolt the U-bracket to each fan.j) Bolt the U-bracket to the angle iron holding the fansto the base.k) Replace the drive belt(s) and ensure that the tension iscorrect.l) Replace the access panels .Repositioning unit air discharge40ABZ 007, 008/40ALZ 011, 014Legend1 Side access panel 5 U-bracket2 Rear discharge panel 6 Drive belt(s)3 Top panel 7 Roof panel4 Angle iron to attach fan to base 8 Fan pulleyFig. 31Repositioning unit air discharge40ABZ 016, 020, 024Legend1 Side access panel2 Rear discharge panel 6 Drive belt(s)3 Top panel 7 Roof panel4 Angle iron to attach fan to base 8 Fan pulley5 U-bracket 9 Base with motorFig. 32Condensate drainage40ABZ o 40ALZ units are supplied with a condensate drainpan with two drain pipes (outside diameter 23 mm). Thesetubes leave the factory separately wrapped so it is easy to checkthem.The connection to the drain pipe can be vertical (see Fig. 33) orhorizontal (see Fig. 34).• Vertical drain: Remove the prepunched knockout(s) in theunit base.• Horizontal drain: Drainage through holes in the side of theunit base, to the right- or left-hand side.Salida panellat. unidadDrain pipe23 mm OD Hole in unit baseInteriordrain panUnit base75 mm100 mmField-supplied trapFig. 33 - Vertical drainDrain pipe23 mm OD Outlet panel, unit sideInteriordrain panUnit baseField-supplied trap75 mm100 mmFig. 34 - Horizontal drainThe field-installed trap must be below the drain pan.The drain pipe must never be higher than the drain pan.Supply airReturnair ReturnairSupplyairReturnairSupplyairReturnairReturnairSupplyairSupply airReturnair ReturnairSupplyairReturnairSupplyairReturnair ReturnairSupplyair