Carrier 53QG18-H Installation Manual

4DIMENSIONS, WEIGHTS AND MINIMUM CLEARANCES (Cont.)MINIMUM CLERANCES OF OUTDOOR UNIT FOR FREE AIR CIRCULATION,SERVICE AND MAINTENANCE (Cont.)Obstacle at air inlet to outdoor unit ( unit back )No obstacle at unit topNo obstacles at unit and left sidesSingle unit installation Serial installation of two or more unitsObstacle at air inlet to outdoor unit ( unit back )No obstacle at unit topobstacles at unit right and left sidesSingle unit installation Serial installation of two or more unitsThe hieght of the obstacle should be lower than the height of the outdoor unit.Obstacle at air inlet to outdoor unit ( unit back )obstacle also at unit topNo obstacles at unit right and left sidesDIMENSIONS (mm)160 mmor more400 mmor more400 mmor more160 mmor more400 mmor more400 mmor more400 mmor more250 mmor more400mmor more160 mmor more160 mmor more400 mmor more250 mmor more160 mmor more