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12 Table 4 Wall thermostat and Subbase Combinations ........................................ 12 Table 5 Fan Blade Dimensions .......................... 17 Table 6 Refrigerant Charge ............................... 17 Table 7 Indoor Blower Performance .................. 17 Table 8 Recommended Air Flow........................ 18 Table 9 Maximum EXP Electric Heat Only ........ 18 Table 10 Pressure Table ...................................... 18 Table 11 Optional Accessories............................. 19 Getting Other Information and Publications These publications can help you install the air conditioner or heat pump. You can usually find these at your local library or purchase them directly from the publisher. Be sure to consult current edition of each standard. National Electrical Code ......................... ANSI/NFPA 70 Standard for the Installation................. ANSI/NFPA 90A of Air Conditioning and Ventilating Systems Standard for Warm Air ........................ ANSI/NFPA 90B Heating and Air Conditioning Systems Load Calculation for ..............................ACCA Manual J Residential Winter and Summer Air Conditioning Duct Design for Residential ................. ACCA Manual D Winter and Summer Air Conditioning and Equipment Selection For more information, contact these publishers: ACCA Air Conditioning Contractors of America 1712 New Hampshire Ave. N.W. Washington, DC 20009 Telephone: (202) 483-9370 Fax: (202) 234-4721 ANSI American National Standards Institute 11 West Street, 13th Floor New York, NY 10036 Telephone: (212) 642-4900 Fax: (212) 302-1286 ASHRAE American Society of Heating, Refrigeration and Air Conditioning Engineers, Inc. 1791 Tullie Circle, N.E. Atlanta, GA 30329-2305 Telephone: (404) 636-8400 Fax: (404) 321-5478 NFPA National Fire Protection Association Batterymarch Park P.O. Box 9101 Quincy, MA 02269-9901 Telephone: (800) 344-3555 Fax: (617) 984-7057 Manufactured under the following U.S. Patent numbers: 5,485,878; 5,301,777; 5,002,116; 4,924,934; 4,875,520; 4,825,936; 4,432,409 Manual 2100-218 Page 1 WALL MOUNT GENERAL INFORMATION HEAT PUMP WALL MOUNT MODEL NOMENCLATURE CONTROL MODULES MODEL NUMBER WA 42 1 – A 10 X N X X X A (See Chart Below) CAPACITY COIL OPTIONS 42 -3 1/2 Ton X -Standard 48 -4 Ton REVISIONS 1 -Phenolic Coated Evaporator 60 -5 Ton COLOR OPTIONS 2 -Phenolic Coated Condenser X -Beige (Standard) 3 -Phenolic Coated Evaporator 1 -White and Condenser 2 -Mesa Tan KW VOLTS & PHASE 4 -Buckeye Gray OUTLET OPTIONS VENTILATION OPTIONS A -230/208/60/1 5 -Desert Brown X -Front (Standard) X -Barometric Fresh Air Damper (Standard) B -230/208/60/3 6 -Dark Bronze B -Blank-off Plate C -460/60/3 M -Motorized Fresh Air Damper V -Commercial Ventilator Motorized with Exhaust FILTER OPTIONS E -Economizer (Internal) - Fully X -One Inch Throwaway (Standard) Modulating with Exhaust W -One Inch Washable R -Energy Recovery Ventilator P -Two Inch Pleated Motorized with Exhaust NOTE: All vent options are without exhaust capability. May require separate field supplied barometric relief in building. TABLE 1 ELECTRIC HEAT TABLE Models KW WA421-A WA482-A WA602-A WA421-B WA482-B WA602-B WA421-C WA482-C WA602-C 240-1 208-1 240-3 208-3 460-3 A BTU A BTU A BTU A BTU A BTU 5 20.8 17050 18.1 12800 9 21.7 30600 18.7 23030 10.8 30700 10 41.6 34130 36.2 25600 15 62.5 51200 54.0 38400 36.2 51200 31.2 38400 17.3 47000 18 43.3 61430 37.5 46100 20 83.2 68260 72.1 51200 Manual 2100-218 Page 2 FIGURE 1 UNIT DIMENSIONS Manual 2100-218 Page 3 Model Width ( W) Depth ( D) Height ( H) Supply Return E F G I J K L M N O P Q R S TA B C B WA42 WA48 42.075 22.432 84.875 9.88 29.88 15.88 29.88 43.88 19.10 31.66 30.00 32.68 26.94 34.69 32.43 3.37 42.88 23.88 10.00 1.44 16.00 1.88 FRONT VIEW SIDE VIEW BACK VIEW MIS-1262 * Optional top outlet TABLE 2 ELECTRICAL SPECIFICATIONS Model SINGLE CIRCUIT DUAL CIRCUIT Rated Volts & Phase Field Power Circuits Minimum Circuit Ampacity . Maximum External Fuse or Circuit Breaker . Field Power Wire Size . Ground Wire Size . Minimum Circuit Ampacity . Maximum External Fuse . Field Power Wire Size . Ground Wire Size . CKT A CKT B CKT A CKT B CKT A CKT B CKT A CKT B WA421-A00, A0Z A05 A10 A15 A20 230/208-1 1 1 1 1 or 2 1 or 2 33 33 59 85 110 50 50 60 90 110 8 8 6 4 2 10 10 10 8 6 N/A N/A N/A 56 56 N/A N/A N/A 26 52 N/A N/A N/A 60 60 N/A N/A N/A 30 60 N/A N/A N/A 6 6 N/A N/A N/A 10 6 N/A N/A N/A 10 10 N/A N/A N/A 10 10 WA421-B00, B0Z B09 B15 B18 230/208-3 1 1 1 1 24 34 52 60 35 35 50 60 8 8 6 6 10 10 10 10 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A WA421-C00, C0Z C09 C15 460-3 1 1 1 12 17 26 15 20 30 14 12 10 14 12 10 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A WA482-A00, A0Z A05 A10 A15 A20 230/208-1 1 1 1 1 or 2 1 or 2 38 38 59 85 110 50 50 60 90 110 8 8 6 4 2 10 10 10 8 6 N/A N/A N/A 59 59 N/A N/A N/A 26 52 N/A N/A N/A 60 60 N/A N/A N/A 30 60 N/A N...

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