The 50BZN indoor remote air-cooled packaged units are designed for vertical installation with front or optional rear return air and horizontal or vertical evaporator air discharge. These units provide a practical and economical approach to comfort conditioning requirements in replacement, renovation, and new construction applications. Standard Features Capacities of 5, 7½, 10, 12, and 15 tons Adjustable belt drive centrifugal condenser fan for high-static capability to 1 in. wg ESP Internal filter provides up to 30% return air capability TXV controlled Two-stage capacity control on sizes 012 to 016 with two compressors on independent circuits Adjustable belt drive centrifugal evaporator fan Built-in 24-volt control system for use with Carrier standard or network (TEMP system) controls (except sizes 016 and 024) Permanently lubricated evaporator and condenser fan bearings Evaporator section with double-wall construction and positive sloped drain pan Fully insulated unit including full acoustical insulation on compressor section Attractive, high-impact polystyrene inlet and discharge grilles on sizes 006 to 014