Carrier Transport Air Conditioning Installation Procedures Manual

Contents

T--311 3--8Apply sealant to unit mounting surfaceand rivet heads to prevent water leaksRoof BowBus RoofMountingChannel Roof BowFigure 3-11 KR4 Condenser Mounted With Mounting Channels (Side View)j. After deciding where the feed-thru plate(s) will be lo-cated, trace around the outside edges of the plate(See Figure 3-12 or Figure 3-13). Mark all rivet holesin the plate.k. Measure 1/4 inch in from the rivet holes and mark forcut-out. Carefully cut out the feed-thru plate openingin the bus roof and ceiling.NOTETwo single plates installed on both sides of theRooftop Condenser can be used to accessside-mounted evaporators. Single or dual ac-cess plates can be used for rear-mountedevaporators.AC301-029Cut-OutAreaFigure 3-12 Condenser Feed-Thru Plate KR4 (Single Loop)AC301-082Cut-OutAreaFigure 3-13 Condenser Feed-Thru Plate KR4 (Dual Loop)l. Drill13/64 inch holes in the bus roof using the holes inthe feed-thru plate as a guide. Drill out all holes.m. Apply sealant around all the holes and under theplate.n. Using 3/16 inch rivets, attach plate(s) to the bus roof.o. Apply sealant around the outside edge of plate(s).p. Connect the condenser liquid and suction line assem-blies to the feed-thru plate.q. Push the condenser electrical harness through thefeed-thru plate tube. Seal around the opening.r. After connecting refrigerant lines and condenser har-ness(s) install the condenser cover with hardwareprovided.s. Clean condenser cover with a mild cleaning solutionand clear all debris from the roof of the bus.