This advisory circular (AC) contains methods, techniques, and practices acceptable to the Administrator for the inspection and repair of nonpressurized areas of civil aircraft, only when there are no manufacturer repair or maintenance instructions. This data generally pertains to minor repairs. The repairs identified in this AC may only be used as a basis for FAA approval for major repairs. The repair data may also be used as approved data, and the AC chapter, page, and paragraph listed in block 8 of FAA form 337 when: a. the user has determined that it is appropriate to the product being repaired; b. it is directly applicable to the repair being made; c. it is not contrary to manufacturer’s data.How to Buy, Diagnose, Repair Air Conditioners & Heat Pumps: This air conditioner & heat pump inspection, installation, diagnosis & repair article series explains in detail the inspection, troubleshooting diagnosis, and repair of all types of residential and light commercial central air conditioning and heat pump systems.

This article series describes how to inspect and repair all types of residential air conditioning systems (A/C systems). cheap ac heater window unitsInformation for home buyers, owners, andac unit turns on when heat is on home inspectors about A/C or heat pump system problems. portable ac unit bestPage top image provided courtesy Carson Dunlop Associates. A somewhat simpler schematic of an air conditioning-only system is provided just below. Srpski prevod nad današji stranica [Serbian translation of air conditioning diagnosis and repair articles] This article series describes the basic components of an air conditioning system and then we discuss how to estimate the rated cooling capacity of an air conditioning system by examining various data tags and components.

The limitations of visual inspection of A/C systems are described. We continue to add to and update this text as new details are provided. Detailed information about air conditioning purchase, installation, troubleshooting & repair is provided here - CONTACT us if you can't find something. If your air conditioner or heat pump system is not working, start at LOST COOLING CAPACITY for help in diagnosing and repairing the trouble. Let's introduce the most basic concepts of air conditioning first: Here is a simple explanation of how an air conditioning system works, with enough detail so that it isn't simply magic (the schematic of an air conditioner shown at left is compliments of Carson Dunlop) A detailed list and photos of air conditioner components can be seen at AIR CONDITIONER COMPONENT PARTS. For photographs of these various air conditioning and heat pump parts, and for an explanation of where these air conditioning components are physically located, see A/C COMPONENTS which discusses and helps you name and recognize various  Indoor A/C Components and Outdoor A/C Components

Continue reading at DIAGNOSTIC GUIDES A/C / HEAT PUMP or select a topic from the More Reading links or topic ARTICLE INDEX shown below. Or see AIR HANDLER / BLOWER UNITS - home Or see COMPRESSOR / CONDENSER REPAIR - home or select a topic from the More Reading links shown below.« Back to Advisory Circulars Main Page 145-9 - Guide for Developing and Evaluating Repair Station and Quality Control Manuals This advisory circular (AC) provides information material for all repair station certificate holders or applicants under Title 14 of the Code of Federal Regulations (14 CFR) part 145 to develop and evaluate a Repair Station Manual (RSM) and Quality Control Manual (QCM). This AC describes an acceptable, but not the only means, to develop a manual and comply with the referenced regulations. AC 145-9, W/Change 1 (PDF, 821 KB) AC145-9.pdf (PDF, 821 KB) CHG 1 Guide for Developing and Evaluating Repair Station and Quality Control Manuals AC 145-9 CHG 1.pdf (PDF)

Guide for Developing and Evaluating Repair Station Inspection Procedures ManualsRESIDENTIALBEST IN DUCTLESS TECHNOLOGYINTRODUCING THE PEARL THE TRIANGLEAN ULTIMATE COOLING DESIGN LONG LASTING RELIABLE PERFORMANCE NOW WITH Wi-Fi CONTROL CONTROL THE PEARL FROM ANYWHERE NOW LIGHT COMMERCIALBIG IMPACT FOR SMALL BUSINESSESINTRODUCING THE CAC DUCT High efficiency BLDC motor THE WORLD’S LARGEST CAPACITY 1 Year Limited Labor Application and Design Guidelines Product Specifications (EHB)- Obsolete Products Optimize your service business with Lennox service literature to ensure effective, efficient service each and every time. 13ACX Installation and Service Procedure 14ACX Installation and Service Procedure HS29 (6, 7.5, 10, 15 & 20 tons) HS29 Series (1 through 5 tons) ML14XC1 Installation and Service Procedure SSA 3, 4 and 5 ton Condensing Unit TSA*S4 Series Units (G, J and Y Voltages) Unit Information

TSA*S4 Series Units (M and T Voltages) Unit Information XC13 Installation and Service Procedure XC14 Installation and Service Procedure XC17 Installation and Service Procedure XC21 iComfort™-Enabled Installation and Service Procedure (XC21-XXX-230-04 and later) XC21 Series Units (XC21-XXX-230-01 through -03) Unit Information XC25 Installation and Service Procedure Air Handlers (Fan Coil Units) CB26UH & CBX26UH Series Units CB27UH & CBX27UH Series Units CB28UH, CB29M and �CB30M Series Units CBX25UH (-01) Installation and Service Procedure CBX32MV - icomfort™-enabled Series Units CBX40UHV - icomfort-Enabled Series Units IMC BACnet Module (M1-7) IMC BACnet Module (M1-8) IMC LonTalk Module Kit (M1−7 [version 5.02 and higher] or M1-8 Prodigy (M2 Unit Controller) BACnet Module Prodigy®  2.0 (M3 Unit Controller) Frequently Asked Questions Prodigy® 2.0 (M3 Unit Controller) BACnet Module

EL195DFE with Constant Torque Indoor Blower Motor EL195UHE with Constant Torque Indoor Blower Motor G61MPVT -- 50 hertz ML180UHT Series Units For Argentina (50Hz) SL280DFV with iComfort™-Enabled Integrated Control SL280UHV with iComfort™-Enabled Integrated Control 14HPX Unit Service Information HP29 Series (1-1/2 through 5 tons) HP29-090 & 120 (7-1/2 & 10 tons) SPA 3, 4 and 5 ton Heat Pump TPA 7.5 and 10 ton Unit Information TPA*S4 Units (G and Y Voltages) Unit Information TPA*S4 Units (M and T Voltages) Unit Information XP17 Installation and Service Procedure XP17N Series Installation and Service Procedure XP20 Installation and Service Procedure XP21 Installation and Service Procedure XP25 Installation and Service Procedure XPG20 Heat Pump with SunSource® Solar-Assist Unit Information IAQ - Air Cleaners/Filters/Ventilators L Series Packaged Units (Gas/Electric, Electric/Electric and Heat Pumps)

LCC -- B & C Box (7.5, 8.5, 10 & 12.5, 13, 15, 17.5, 20 & 25 tons) LGA, LCA & LHA -- B Box (7.5, 8.5, 10 & 12.5 tons) LGA, LCA & LHA -- C Box (13, 15, 17.5, 20 & 25 tons) LGA, LCA, LGC & LCC -- A Box (3, 3.5, 4, 5 & 6 tons) LGA/LCA/LGC/LCC -- D Box (25 & 30 tons) LGC -- B & C Box (7.5, 8.5, 10 & 12.5, 13, 15, 17.5, 20 & 25 tons) KCA -- B Box (7-1/2, 8-1/2, 10 & 12.5 tons) KCA/KCB -- A Box (2, 2-1/2, 3, 4, 5, 6 & 7-1/2 tons) LCH -- A Box (3, 4, 5 & 6 tons) SCA120, 240 & SCB288 TCA024, 030, 036, 048, 060, 072 (2 to 6 ton) TCA090, 102, 120 and 150 (7.5, 8.5, 10 & 12.5 ton) TCA180, 210, 240, 300 T Class C Box ZCA -- A Box (3, 4 & 5 ton) ZCA092, 102, 120, 150 B Box Packaged Gas/Elec and Packaged Elec/Elec GCS16 & CHA16 (15 & 20 ton) GCS16 & CHA16 (6 through 12 1/2 ton) LGH/LCH -- D Box (20, 25 & 30 tons) LGH/LCH -- E Box (35, 40, 45 & 50 tons) 13GCS / 13GCSX 2 - 5 ton Series Units 15GCSX 2 - 5 ton �Series Units