Split ac maintenance procedure

Split ac maintenance procedure. au Jun 14, 2021 · Scope of this standard covers all equipment’s which use refrigerant gas as their cooling agent i. Our HVAC maintenance checklist template is a free, printable Excel and PDF list that can be used to keep track of your heating, ventilation, and air conditioning system's health. One State Street P. HSB. Begin by adding a piece of equipment and specify if it is an air conditioning unit, heat pump, electric heater, gas furnace, or dual-fuel heat pump furnace. Unscrew the blue hose from the suction line. Ductless mini split systems are a great option for heating and cooling bedrooms, home offices, additions, finished attics and garages. List of Preventive Maintenance and O&M Procedures. Indoor May 6, 2020 · Aforementioned method will also serve as guideline for new employees furthermore trainees who are dealing with that maintenance of this type of air-conditioning team. 5-ton capacity, 5-star energy rating, copper condenser coil, turbo cool technology, eco mode and 4-way swing. Our advice is intended to complement the equipment manufacturers’ recommendations not replace them. As such, they play a vital role in the emission of cold or hot air throughout a room. Inspect & clean air filter as per unit maintenance manual. Open the front panel and take out the air filter. May 2, 2023 · If you are cleaning the coils after the air conditioner has already been running, put the unit in fan mode for about an hour in order to allow any condensed moisture on the evaporator coils to dry. De-energize the circuit breaker of the specific fan coil unit. Cleaning the Filter: Dirty filters hamper airflow and efficiency. If you’re unsure of the type of filter to use, your Lennox Dealer can recommend one based on your specific system. Replace Air Filter. Cleaning the filter and unit are fundamental heat pump, and mini-split maintenance tasks. Check the condition regarding the 2. Dec 4, 2023 · Clean these units by using a soft brush attachment on a vacuum cleaner to remove light dust from all intake and outlet vents. Carefully inspect the unit for any physical damages / dents. Another tip on how to maintain your ductless mini-split system is to clear the pipes. The most important thing is to clean the indoor filters. Check unit for noise and vibration (both indoor and outdoor units). Vapor Coil Dry. Any professional who works with ductless regularly has seen issues with ductless systems that could have been easily prevented by proper maintenance procedures. If it seems yet clean, extend the cycle from cleaning to next months. Check the condition of the condensers loop. Negligence in the service and clean up of AC results in reduced cooling capacity and damage to unit. Turn the vacuum on until it reaches an absolute vacuum of 10mm Hg. Nov 2, 2020 · Charge the system with refrigerant as per refrigerant charging procedure. An purpose of this procedure statement is to found a standard procedure for to preventive ac maintenance of split type AC Air-conditioning unit. When extremely soiled, wash in lukewarm water with detergent and dry in a shady place away from direct Air Conditioner Filters. as applicable. Sep 26, 2017 · Note: The AC refrigerant gas is filled in small amounts at a time because releasing all the gas at once will damage the compressor. Attach a vacuum hose to the drain line and power on the vacuum. Feb 20, 2024 · This commercial HVAC preventive maintenance checklist allows HVAC contractors to check as many HVAC equipment as needed to be maintained or inspected in a facility. A/C: Air-conditioning Units. Run the vacuum pump for at least 60 minutes to clean the lines of any non-condensable. If items seems still clean, extend the frequency of cleaning to next month. Fax: 678-539-2129. This will allow the refrigerant to flow through the system and start the air conditioning process. 5. Both parts of the system need regular cleaning and maintenance. Aviation Unit and Intermediate Maintenance Instructions 1989 Split Unit Commissioning Procedure. Installing the indoor unit of your split air conditioning system is a crucial step in the overall installation process. Strange noises coming from the unit: Inspect and replace the fan blade if necessary, and contact a professional technician if the noises persist. Install the air filter. • Tighten the flare nut according to the specified torque. Apart from that, mini splits also have other things to check and inspect as part of the HVAC Maintenance Split AC Maintenance Cleaning and Service Procedure Feb 6, 2021 · The purpose of this air conditioner repair and maintenance procedure is to establish a standard PM procedure for the preventive maintenance of Window Type Air-conditioning Units. Put back the filter cover. The key is to remove dust buildup, as this will impede airflow. 2- Procedure For Making Flare Joints. Procedure for Split AC Service and Service Checklist. Check and ensure the shipping bolts / clamps are removed. Top 10 Best Air Conditioning Repair in Palm Desert, CA - June 2024 - Yelp - Priority One Air Conditioning & Heating, Timo's Air Conditioning & Plumbing, Absolute Air Conditioning & Heating, Assured Heating and Air Conditioning Services, NexGen HVAC & Plumbing, First Choice A/C & Heating, Comfort Air, Quick 10- Equipment Electrical Maintenance & Troubleshooting Procedure. Mar 7, 2024 · Step 4: Install the indoor unit. Aug 11, 2022 · 2. Condenser Coils Cleaning. org. Cleaning the drain lines on your system. Attach the mounting plate: Start by attaching the mounting plate to the wall at the marked installation point. Open the cover of the FCU to access the blower and motor assembly. Bolt up the AC unit with the bracket firmly. Clogged, dirty filters reduce the amount of airflow and significantly reduce a system's efficiency. Split AC Units Outdoor Installation. If no, or completed the above procedures: Vacuum pump refrigerant lines down to at least 500 microns. Remove the air filter. Rely on our committed team that stands ready to exceed your expectations. May 16, 2024 · Cleaning the condenser coils, drain pans, heat exchanger, flue, and other components. O. Change the Air Filters. • Operate the air conditioner in a sufficiently ventilated area and not surrounded by ob stacles. Over time, these coils can accumulate dirt, dust, and debris, hindering heat exchange. • Do not install the air conditioner where gas leakage would be exposed to open flames. This method will also serve as guideline… Easy seasonal checklist for mini split air conditioner maintenance: 1. Sep 3, 2004 · 2. Before re-fitting into indoor unit, the air filters should be dry. E-mail: orders@ashrae. Make sure to hold a steady 600psi reading for 30 minutes. Split AC Maintenance How to determine if your split AC needs service. 1. Condenser Coil Cleaning. May 6, 2020 · A/C: Air-conditioning Units. The most important maintenance task that will ensure the efficiency of your air conditioner is to routinely replace or clean its filters. Scope: The scope of that standard maintenance procedure covers all split type Air-conditioning AC equipment’s which comes underneath the AC pre-emptive services contract and Mar 31, 2021 · The maintenance supervisor and the engineer should assure that this maintenance procedure will be followed strictly. Nov 10, 2023 · 1. 3, 6, 9 monthly - Tick the adjacent box for completed items. Open the refrigerant pipe valves of the outdoor unit. This document provides standard operating procedures for maintaining air conditioning units at Tailin Abrasives Corporation. Close the refrigerant tank knob. In this article, we’ll guide you step-by-step on how to clean split type aircon while sharing crucial tips to ensure its smooth operation. PPE: Personal Protective Equipment. If the coil is coated with oil or grease, clean with a mild detergent and water solution. 1. Remove any debris from the pan and flush with clear water. 3. Start the unit & connect the refrigerant cylinder through a manifold to the suction of the compressor & charge the refrigerant circuit. The procedures include preparing maintenance tools, cleaning indoor and outdoor unit coils and filters, checking and adjusting fans, replacing motors if needed, and monitoring units after maintenance. Check thermostat for proper operation. Apr 20, 2022 · Blue Star 1. PPE: Humanressourcen Protective Equipment’s. The condenser fins are also rinsed and cleaned for any See Detailed Indoor Split AC installation procedure and wiring diagram-“Split AC Unit Manufacturer’s Installation Detail” (attached) The Site Engineer/Foreman ensures the cleanliness of the area. PPE: Personalize Protective Equipment’s. Wear safety goggles, hand gloves and safety shoes when conducting this maintenance procedure. Air filter and fin cleaning. Sep 7, 2023 · Table Of Contents. The pipes inside of a mini-split system serve as a pathway between the interior and exterior components of the machine. So prepare yourself, and let’s dive in! Apr 25, 2022 · Heating and cooling tune-ups or preventive maintenance can be performed at any time of the year. Air conditioner coil cleaning is an important part of air conditioner repair and can help you save money, maintain efficiency and extend the system’s life expectancy. Apr 14, 2024 · Take control of your indoor comfort, enhance energy efficiency, and extend the life of your air conditioning unit with the step-by-step expertise offered in this indispensable guide. Ensure the condensing unit is running with no unusual noises. Apr 3, 2016 · Use a vacuum to remove any dust or dirt, this is the simplest way to clean the filters. PPE: Personal Protective Equipment’s. Clean evaporator and condenser coils. We deal with all kinds of ac units: split AC maintenance, ducted split conditioner service, and package AC check. com. Dec 27, 2021 · A ductless or mini-split air conditioner consists of an indoor unit, which contains the evaporative coils, and an outdoor unit, which contains the compressor and condenser coils. Below are prevents maintenance activities which are necessary up monthly basis. Inspect Fan Components: Take a moment to inspect fan blades, motor, and other components for signs of wear and tear. An air filter collects humongous amount of dust and dirt during operations. Professional Ductless HVAC contractorspecialized in ductless Split, Mini split Air conditioning installation, repair, Maintenance Authorized contractor for Fujitsu, Daikin AC, Mitsubishi, Sanyo, Samsung, Carrier, Trane, and Lennox, Our certified Technician will be always at the site job to May 6, 2020 · A/C: Air-conditioning Units. Nov 8, 2016 · The best air conditioner maintenance starts in the spring when many homeowners are preoccupied with other household projects or life in general. 2. Once complete, allow to dry thoroughly before placing back into the air handler. Oct 20, 2021 · Prior to the work, wear safety shoes, gloves and goggles. Cleaning the filter once every two weeks is recommended. Just make sure to rinse with warm water. Brief Description of Refrigeration Vacuum Pump. Leaking water or refrigerant: Clean the condensate drain line and remove any blockages, and contact a professional technician to fix refrigerant leaks. 6. Cleaning the ductwork if necessary. 11- Chillers. This first step in your maintenance plan is very important to make sure that, when you check and clean the unit, you do not hurt yourself or damage the system. Cleaning or replacing filters. Oct 13, 2021 · Check discharge air temperature from the air handler. Checking refrigerant levels and pressure. Oct 5, 2023 · Try it free. Make sure to clean your air filters. It outlines responsibilities for oversight and compliance. Welcome to our comprehensive guide on Split AC Maintenance! 🌬️ In this video, we'll walk you through essential tips and tricks to ensure your Split Air Con Jan 2, 2024 · 1. The latest edition of an ASHRAE Standard may be purchased on the ASHRAE website (www. • Establish drain piping according to the instructions of this manual. Locations such as coastal areas where there is a lot of salt in the air. Sherri Aug 9, 2023 · Grab a damp towel and wrap it around the drainpipe, which will ensure a secure fit for the vacuum hose and prevent any air leaks during the cleaning process. It comes with a 10-years warranty on its inverter compressor and Apr 25, 2022 · Change or clean the air filters. 7. Remove rubbish & dust accumulation from outdoor coil fins. The charging pressure in the suction & discharge of the circuit. Basics of a Split System Air Conditioner. Necessary Tools and Safety Precautions. Locations such as hot springs where there is a lot of Step 1: Keep the surroundings clean and take safety precaution. Sep 16, 2014 · 7 important guidelines for air conditioner maintenance. Close the low pressure knob and then turn off the vacuum. Rinse off all the grime and let the filter air dry completely before you put it back in the air conditioner. Such up the dust with a vacuum cleaner, etc. Start with air filters and indoor coil. National Renewable Energy Laboratory (NREL) Home Page | NREL This book is dedicated to those who are eager to learn the HVACR Trade and Refrigerant Charging/ Troubleshooting Practices. For models with an automatic cleaning function, use this function to clean the filter. Bleed the air and humidity from the refrigerant circuit. Check the condition are of condenser coil. Also, turn the power off at the breaker box located inside (Image 2). Switch OFF the FCU that needs maintenance. Procedure fork Aufteilen RECIPROCATING Maintenance and Service. In this book, you will find Step by Step Procedures for preparing an air conditioning and heat pump system for refrigerant, reading the manifold gauge set, measuring the refrigerant charge level, and troubleshooting problems with the system’s refrigerant flow. After reaching the 60-70 PSI range, Close the manifold valve. Soak the filter in warm, soapy water to loosen dust and debris. 6- Refrigerant Gas Checking and Charging Procedure. Check the piping connections as per approved drawings. Clean using jet pump or running water. Inadequate piping may cause water damage. 17- Chilled Water Pump Operation and Maintenance Procedure. Stay cool, comfortable, and confident in your ability to master the art of AC maintenance. Check tightness of all nuts / bolts, screws, fasteners, rubber vibration isolators etc. Abbreviations. Jul 27, 2017 · AC Preventive Maintenance. Rinse underneath the sink and make sure to remove all dirt, dust and dander. Step 3: Use a Vacuum to Clear the Drain Line. 3- Brazing Procedure Using Oxy-Acetylene Brazing Set. A clear drain ensures proper moisture removal. The outdoor unit can be gently sprayed down with a garden hose on a low setting every few months. Address: Head Office 38 Ceduna Street, Loganholme, QLD 4129 Phone: 0403 680 981 Email: kim@arma. The most important maintenance task that will improve the efficiency of your air conditioner is to routinely replace or clean the air filters. Removing and cleaning the air filters. Checking and adjusting fan belts. Now when servicing your split ac be ready for the surroundings to get a bit dirty. Ensure the proper location of the unit as per the approved shop drawing. Replace one-inch pleated filters once a month. b. Jul 7, 2023 · Clean or replace the filters according to the manufacturer’s recommendations, typically every one to three months. Alternately, you can use water to rinse the filters. Inspecting belts for wear and damage and replacing them if necessary. Secure all electrical connections (you might need a pro for this one) Check temperatures of the expansion valve and coil. Contact us for more information: TEL: 201-266-0049. May 6, 2020 · What AN Ductless Mini Split Maintenance Checklist Looks How. At Air Professionals Heating & Air Conditioning, we're your go-to experts for all your heating and cooling needs in New Jersey! Contact us today at (908) 284-2422 for a trusted, local "AC maintenance near me" experience. This method will additionally assist as guideline used new employees press trainees any are dealing with the maintenance of this type of air-conditioning unit. Places with a mist of mineral oil, such as cutting oil. Telephone: 404-636-8400 (worldwide) or toll free 1-800-527-4723 (for orders in US and Canada). c. During AC service, the technician washes and cleans air filter. Inspect and clean drain line and drain pan. On the exterior condenser/compressor, look for an exterior shut-off box near the unit (Image 1). Wash the filter if it is reusable. Clogs can lead to water damage and affect your AC’s performance. The scope of this standard covers all Ducted… 0- Preventive Maintenance Management Procedure. arma. a. A/C: Air-conditioning Units May 6, 2020 · All maintenance workforce shall be competent enough to conduct an activity to avoid any damage and to provide the proper result. e. Make sure the refrigerant loop holds 500 micros or less for 30 minutes. Dirty air filters in AC cause problems like ice formation in AC, AC not cooling etc. May 16, 2023 · HVAC Preventive Maintenance Checklist Template. The maintenance boss and the maintenance engineer shall ensuring that this maintenance procedure are available with the team to follow during the work. The purpose of this method statement is in establish a standard procedure for the preventive ac maintenance of split type AC Air-conditioning unit. Well, this is an easy step to follow. Rinse thoroughly with clear water. ashrae. Protect the Workspace. 18- Air Handling Unit (AHU) O Nov 11, 2023 - Purpose: The purpose of this method statement is to establish a standard procedure for the preventive ac maintenance of split type AC Air-conditioning unit. “Feel” test the suction line in cooling mode. Fourth on our list of the top 5 best Split ACs in India in 2022 to pick this season comes this one from Blue Star. Switch off the a/c unit. Connecting the wires. Procedure for Split AC Maintenance and Service. Open the cover over the electrical ports. Testing and lubricating motors and bearings. This will also ser… The old saying “If it ain’t broke, don’t fix it” doesn’t apply to ductless systems. To be completely sure take the plug out of the socket. Unscrew the yellow hose from the refrigerant tank. Replacing your air filter can lower your AC’s energy consumption by 5% to 15%, saving you thousands of dollars on electricity bills. This page will help you download following major ac maintenance and other discipline preventive maintenance program, plans, checklists, schedules and any other necessary document for maintenance management system. This method will and serve as guideline… When it comes to central air conditioning, cleaning your air conditioner coils is integral to the long-term health of the system. 13- Window Type AC Unit. Psp is the target pressure to be maintained during the fan flow tests. Start the system and keep it running as long as practical to circulate the refrigerant through the filter drier. We are global provider of editable maintenance method statements and procedures that can help you for conducting the planned maintenance of electrical and mechanical equipment's and Feb 24, 2017 · 6. Nitrogen Flushing Procedure. including but not limited to Chiller Units, Package Units, Split A/C Units, Cold Store Units, Window AC and fan coil unit maintenance etc. Air filters should be taken off the indoor unit and washed with clean water. May 18, 2023 · Some steps may require more frequent attention than others, but be sure to go through the entire AC maintenance checklist at least once each season. 16- Package Type AC Unit. Due to the dangers of working around electricity and the air-conditioner’s moving parts, it’s essential to completely turn off power to the unit. Mechanical Checks. The system is turned on and must run for 15-20 minutes. Aforementioned maintenance supervisor and the maintain engineer shall ensure that this maintenance procedure is available with the crew to tracking during the work. Turn Off the Unit and Allow It to Cool. Be careful not to get water into the furnace or air handler. Condenser Coils: If possible, use a brush attachment with a vacuum cleaner to remove any dirt or debris that has build up from the outside. Clearing debris and vegetation. is very important for the effective operation of the AC unit. Humidifier. Air conditioning is critical for maintaining comfort levels in a facility during the warm months, and air conditioning challenges can Preventive maintenance for air conditioning units involves several key tasks: Inspecting and cleaning the condenser and evaporator coils. 4. Remove or lift the cover of the filter. Inspect and clean air registers and ductwork (if needed) AC Filter Maintenance. Clear the Pipes. 5 Ton 5 Star Inverter Split AC. Here are the steps to follow: 1. After cleaning the coil, inspect the drain pan and condensate line. Shut Off the Power. Fixing refrigerant line leaks and providing a refrigerant charge if necessary. 1- Copper Pipe Cutting Procedure. Inspecting and cleaning the condensate drain. Let the filter dry. The maintenance supervisor and an maintenance engineer shall ensure so this maintenance procedure is available with the team to follow during the work. Sep 10, 2023 · 6. Because the components of mini-split systems are often in highly visible places, your work area needs to be kept immaculate. Ducted Split AC Unit Preventive Maintenance Procedure – Preventive Maintenance Procedure. Below are preventive maintenance activities which are mandatory on monthly basis. 5- Nitrogen Flushing Procedure. Mounting the outdoor unit. Cleaning the evaporator coils and fins. If you have doubts about any particular procedure, contact your equipment service representative. Make sure that suction and discharge pressure will be 60 to 69 psig and 250 to 275 psig. Refrigeration systems are designed to operate with only refrigerant and oil circulating inside them. The startup and commissioning (testing) process is done after the system is completely installed and ready to operate. This fan flow measurement shall be performed using the following procedures: 1. Cleaning the outdoor unit. This preventive maintenance checklist is available in various easy-to-use formats and includes all necessary HVAC Mar 25, 2016 · Here’s how AC service is done! 1. May 9, 2024 · However, owning a split-type aircon necessitates regular maintenance and cleaning. If the gas leaks and builds up around the unit, it may catch fire. Simply turn your unit off and allow it to cool to the touch before you May 6, 2020 · All maintenance hr wants be competent enough up conduct the operation to avoid any ruin and in provide the proper ergebnisse. Benefits of good maintenance 👍 Split system AC maintenance Licensed and certified contractor ☎ Call 720-280-8729 Call Us Now : (720)-280-8729 , (720)-201-3894 Feb 28, 2024 · The Ultimate Air Conditioner Maintenance Checklist. Cleaning the condenser coils. Inspect electrical wirings and controls. Lubricate blower and condenser fans. It has a 1. Cleaning the indoor unit. Allow it to run for a short duration to dislodge and remove any debris that See more reviews for this business. org) or from ASHRAE Customer Service, 1791 Tullie Circle, NE, Atlanta, GA 30329-2305. Neglecting this essential task can lead to reduced efficiency and mold growth. The documents will also serve as guideline for newly hired employee which will be dealing with this type of air conditioning unit. Split POWER Maintenance Cleaning and Service Procedure. Your experienced Lennox Dealer knows how to check the operation of your HVAC equipment under all kinds of conditions and during every season. In addition, when airflow is obstructed, air can bypass the filter and deposit dirt Mar 26, 2024 · For all types of mini splits (ductless, ducted, AC or heat pump), the major maintenance work involves cleaning the air filter and cooling coil, unclogging the drain line, cleaning the fan blower and top-up refrigerant gas once in a while (or when necessary). Now lift the outdoor unit of the split AC and place it on the bracket at the same time make sure the screw holes of the bracket and the AC unit coincide. Aim to clean the unit every four to six weeks. The schedule is noted to occur every 6 months but may vary depending on site requirements, and one annual Startup Commissioning Process. depends upon the ambient condition (approximately 60-70 psi in suction & 270-300 psi in Mar 17, 2021 · Maintenance supervisor and the site engineer should assure that this maintenance procedure will be followed during all maintenance activities related to evacuation of ac system. For maximum system effectiveness, it’s advised that you have at least two tune-ups per year — one for May 6, 2020 · Purpose: The destination starting this method statement is on establishes a conventional procedure for the preventive ac support of trennen type AC Air-conditioning units. First, make sure that your Panasonic air conditioner is switched off. When ac systems are Jun 17, 2023 · Regular maintenance must take place in order to keep it operating at peak efficiency; this guide outlines all essential steps of split AC maintenance. Then, wipe down surfaces with a microfiber cloth, warm water, and mild detergent. The preventive maintenance should be recorded by the CMP on FRM 3. A/C: Air-conditioning Units Dec 26, 2023 · Clean the condenser coil if it appears dirty. Conduct current reading on the compressor and on the fan motor. Box 5024 Hartford, CT 06102-5024 Tel: (800) 472-1866. email Website: www. Below are preventive repair activities which exist req upon monthly basis. May 6, 2020 · All maintenance staff should be competent enough to conduct the activity the avoid any hurt and to provide the proper result. The purpose of this standard hvac procedure is to establish standard guidelines for the preventive maintenance of ducted split Air-conditioning Unit. Some Regular Maintenance and Cleaning Tasks to Note. Apr 12, 2021 · FCU Quarterly Maintenance Procedure. Use a soft brush or vacuum cleaner to remove the build-up. Regular Cleaning. Check refrigerant pipe connection for signs of leakage. Remove the caps from the 2-way and 3-way valves and from the service port and connect a vacuum pump hose to the service port. 12- Cold Storage Unit O & M. This method desire also serv as guideline for brand employees and trainees who are dealing for the maintenance of this type of air-conditioning unit. Knowing how to clean mini-split units properly is key to keeping them in good working order for as long as possible. 15- Ducted Split AC Unit. 14- Split AC Unit. Clear Condensate Drain: Clear the condensate drain to prevent clogs. 3 - Air-conditioning Log Sheet. If your HVAC furnace is built with a connected humidifier, that’s next up on the annual preventative maintenance checklist. With the system fan on at the maximum speed (the cooling speed), measure the pressure difference (in Pa) between the supply plenum and the conditioned space (Psp). A/C: Air-conditioning Units We provide standard maintenance work for the conditioners you bought from us as well as from other companies. The maintenance boss and the maintenance engineer shall ensure that this maintenance procedure is availability with the team to trail during the function. Kitchen antiseptic spray works well for cleaning. 4- Procedure For Making Swage Joints. A/C: Air-conditioning Element. It details 7 activities to check the indoor unit, condenser, refrigerant system, controls, electrical components, clean filters, and record results in a log book. Take at this checklist and possible outcomes for your air conditioning system, then decide whether it’s time to place air conditioner maintenance as one of the priorities for your home: May 6, 2020 · The extent of this standard maintenance procedure cover all split your Air-conditioning AC equipment’s which comes under the AC preventive maintenance contract and any facility administrator oder defect liability projects. Next, inspect and clean the condenser coils. Regular air conditioner maintenance and service of parts like filters, coils, fins, drains etc. Prepare screw driver. Do not use the air conditioner in the following places. Discover our comprehensive air conditioning maintenance guide with tips, checklists, and DIY tasks for optimal HVAC system performance and troubleshooting. 1 Cleaning/renewal of air filters. [4] If you have a ductless split AC unit, you can just wipe off the filter behind the panel with a damp rag. The document outlines a preventative maintenance technical data schedule for an air conditioner split type mechanical system. The standard technical maintenance procedure includes: Cleaning of condenser unit and evaporator; Cleaning of HVAC air . Check unit heats & cools. Cooling-only systems, called mini split AC systems, perform exclusively as air conditioners. You will always need to follow this procedure whenever replacing old compressor or when system is opened to the atmosphere. Next clean the outdoor unit, including the coil while checking airflow. This guide details how to install a mini split air conditioner in your home. td ja yi kw ah fv mi bk ob mb