OWNER’S GUIDE -12Figure 5The roof top air conditioner must be mounted on a levelplane from front to rear and side to side when the ve-hicle is parked on a level plane. Figure 4 shows maxi-mum allowable degrees that the Air V can be mountedabove or below level.If the roof of the vehicle is sloped (not level) such thatthe roof top air conditioner cannot be mounted withinthe maximum allowable degree specifications, an ex-terior leveling shim will need to be added to make theAir V level. A typical leveling shim is shown in Figure 5.Prepare the roof top unit for installation with the ceilingassembly.Install foam basepan pad at this time. See Figure 6. Padis provided with adhesive on one side with release paper.PREPARATION AND POSITIONING THE ROOF TOP UNITAIR CONDITIONER DIMENSIONS (Roof Top Unit)NOTE123 Reach up into return air opening of the airconditioner and pull the unit electrical corddown for later connection.4Standard (Low Profile)* Height Varies To Make Unit LevelALLOWABLE OFFSET FOR CARRIER AIR CONDITIONERSWITH CARRIER ROTARY COMPRESSORSAbove or BelowLevel 10° Max.Above Level 10° Max.Below Level 0° Max.Figure 4Above or BelowLevel 5° Max.Above Level 5°Max.Below Level 20° Max.Standard UnitLow Profile Unit22.6"(26.8")16.7"(24.1")14" x 14"OPENING4.3"(6.4")4.3"(6.4")41"(41.7")REAR OFUNIT10.3"(3.6")