This XC21 outdoor unit is designed for use with HFC−A refrigerant only. This unit must be installed with an approved indoor unit. See the Lennox XC21 Product Specifications bulletin (EHB) for approved indoor component match ups. These instructions are intended as a general guide and do not supersede local codes in any way. Related Manuals for Lennox XC21 Series. Air Conditioner Lennox XC25 Series Manual. Lennox xc25 series outdoor air conditioner unit is designed for use with hfca refrigerant only (17 pages) Air Conditioner Lennox XC21 Installation Instructions Manual. Dave lennox signature collection system (20 pages). Page 1 © Lennox Industries Inc. Corp. −L2 Revised 09− XC21 Service Literature XC21 SERIES UNITS The XC21 is a high efficiency residential split−system con-densing unit, which features a two−stage scroll compressor and R−A refrigerant. Units are available in 2, 3, 4 and 5 ton sizes. The series is designed for use with an expansion.
View and Download Lennox Collection XC21 System installation instructions manual online. Dave Lennox Signature Air Conditioner. Collection XC21 System air conditioner pdf manual download. Lennox Industries Inc. Revised August 2, XC21 Service Literature Corp. −L2 XC21 (HFC−A) SERIES UNITS (non−icomfort and icomfort ENABLED) THIS SERVICE MANUAL IS APPLICABLE TO BUILD XC21−XXX−−04 OR LATER. NOTICE A thermostat is not included and must be ordered separately. The Lennox icomfort Touch thermostat must. Use this method if the existing outdoor unit is equipped with manual shut−off valves, and you plan to use new HCFC−22 refrigerant to flush the system. The following devices could prevent full system charge recovery into the outdoor unit: Outdoor unit's high or low−pressure switches (if applicable) when tripped can cycle the compressor OFF.
Summary of Contents for Lennox XC21 Page 1: Installation Instructions Before attempting to perform any service or mainte- nance, turn the electrical power to unit OFF at discon- This XC21 outdoor unit is designed for use with HFC−A nect switch. refrigerant only. approved indoor air handler or coil. See the Lennox XC21 Engineering Handbook for approved indoor component matchups. IMPORTANT This model is designed for use in expansion valve systems only. An indoor expansion valve approved for use with HFC−A refrigerant must be ordered separately, and installed prior to operating the system. INSTALLATION. View and Download Lennox XC21 Series unit information online. Lennox XC21 (HFC?A) SERIES High efficiency residential split?system air conditioner. XC21 Series air conditioner pdf manual download.
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