For concealed application virtually anywhere in the room, the Easy Riser Basic Vertical Stack (ER-B) comes standard in a heavy-gauge 88” galvanized steel cabinet, insulated with 1/2" thick, neoprene-coated fiberglass. This standard unit features a 1/2" OD copper tube coil, slide-out blower assembly with quick-disconnect plug, insulated drain pan and filter. Risers are ordered separately due to size changes throughout the building.

For exposed applications along walls and in corners, the Easy Riser Deluxe Vertical Stack (ER-D) is the model of choice. In addition to the same internal features as the ER-B, the Easy Riser Deluxe is constructed with a fully finished epoxy, powder-coat exterior and subjected to a 500-hour salt spray test in accordance with ASTM B117.

The Designer Riser Basic Vertical Stack (DR-B) is for concealed applications along walls and in corners. This model comes standard in an extended 97” galvanized steel cabinet, insulated with 1/2" thick neoprene-coated fiberglass. Like the ER-B, this unit features a 1/2" OD copper tube coil, slide-out blower assembly with quick-disconnect plug, insulated drain pan and filter.

The Designer Riser Deluxe Vertical Stack (DR-D) is for exposed applications also along walls and in corners. In addition to the same internal features as the DR-B, the Designer Riser Deluxe’s 97” cabinet includes a fully finished epoxy, powder-coat exterior and is subjected to a 500-hour salt spray test in accordance with ASTM B117.

The Easy Riser Master/Slave Vertical Stack units have the same internal components as our Basic model, yet are designed to share a common riser set. The Master/Slave combination features two separate units piped to a common set of risers, each with individual valves and controls. The ER-M and ER-S come in an 88” galvanized steel cabinet.

The Designer Riser Master/Slave Vertical Stack units have the same internal components as our Basic model, yet are designed to share a common riser set. The Master/Slave combination features two separate units piped to a common set of risers, each with individual valves and controls. The ER-M and ER-S come in a 97” galvanized steel cabinet.

The TwinPack is a master/slave combination that is pre-piped and housed in a common cabinet assembly at the factory. TwinPack Vertical Stack units include a UL 1-Hour Through Penetration Firestop W-L-7089 system. Local codes may dictate exact amount and placement of drywall. Each unit has it’s own set of valves and controls.

Unit Type Unit Size Rated CFM GPM P.D. - FT. H2O Cooling Capacity Total Cooling BTUH Sensible Cooling BTUH Power Input Watts

ER 3 350 2.5 3.4 12,600 8,300 134 ER 4 360 3.3 5.6 13,900 9,200 143 ER 6 680 4.4 2.3 20,800 16,200 188 ER 8 900 4.8 9.3 23,500 17,300 293 ER 10 910 6.1 6.2 28,400 19,600 298 ER 12 1,100 7.8 6.4 39,300 26,100 383 DR 003 310 2.1 2.1 10,100 7,300 105 DR 004 390 2.5 2.9 11,800 8,600 138 DR 005 525 3.0 3.8 14,800 11,700 DR 006 580 4.0 7.5 19,100 13,200 224 DR 008 750 4.8 8.4 23,100 17,000 282

Notes: Based on 80° DB and 67° WB EAT, 45° F EWT, 10° F temperature rise, high fan speed. Motor voltage 115/1/60 power source.
Air flow under dry coil conditions. Water pressure drops shown in feet of water.