3-1/2 Ton, 21 in. Wide, SEER2, 208/240/1/60, Single Stage, PSC, RH1PZ4221STANNJ Air Handler

Specification Sheet
Installation Instructions

• Versatile 4-way convertible design for upflow, downflow, horizontal left and horizontal right applications
• Sturdy cabinet construction with 1.0 inch [25.4 mm] of foil faced insulation for excellent sound and insulating characteristics
• Field-installed auxiliary electric heater kits provide exact heat for indoor comfort. Kits include circuit breakers which meet U.L. and cUL requirements for service disconnect
• All models meet or exceed 330 to 400 CFM [156 to 189 L/s] per ton at .3 inches [.7 kPa] of external static pressure
• Enhanced airflow up to .7" external static pressure
• Evaporator is constructed of aluminum fins bonded to internally grooved aluminum tubing
• Cabinet air leakage less than 2% at 1 inch H2O when tested in accordance with ASHRAE Standard 193
• 1.0" foil faced insulation mechanically retained in blower compartment for excellent thermal and sound performance
• Indoor coil design provides low air side pressure drop, high performance and extremely compact size
• Coils have copper sweat refrigerant connections
• Molded polymer corrosion resistant condensate drain pan is provided on all indoor coils
• Supply duct flanges provided as standard on air handler cabinet
• Provisions for field electrical, connections available from either side or top of the air handler cabinet
• Concentric knockouts are provided for power connection to cabinet. Installer may pull desired hole size up to 2 inches [51 mm] for 1-1/2 inch [38 mm] conduit
• Front refrigerant and drain connections.