To maintain your evaporator and condenser coils, first inspect them. Our experienced team of techniciansis fully trained to handle any heating or cooling system. Unit and all components placed on a flat surface. Including understanding of which is Master and Slave Units. Related Posts Motorized dampers installed as per the drawings and open/close freely. If a drain pan has a substantial amount of water, then your drain line might be clogged. The bleach mixture is to aid in killing the slimy algae that grow inside your AC drain line. If your condenser coil is very dirty or has built-up dirt or grime, then I recommend using an AC coil cleaner solution to aid in cleaning the coil. 8HXhx)9IYiy*:JZjz ? A clogged drain line or drain pan will cause a huge mess. Pipework insulated and vapor sealed, where required. Emergency disconnect installed for each component in line with NFPA/local code requirements. HVAC Training Shop is reader-supported. f6lf6lfU. There is enough space allowed around and above the CRAC Unit once installed to perform maintenance and remove components. If you would like an open copy emailed to you, click the button to be taken to our shop. 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If any plenums are being installed on the CRAC Unit, there is enough space and there will be no impact on other services. The installation of the pipework will not put stress on the equipment connections or create vibrations. Maintaining the filter on your air conditioning unit is the simplest task that you can conduct as a homeowner. Spin the fan/s to ensure not damaged and out of line. Most filters are disposable, so filter maintenance is as easy as removing the old filter and replacing it with a new one. Also check that your equipment is mounted on a sturdy, secure surface. It is also a good idea to lubricate the motor shaft as well.I recommend using Liquid Bearings 100% Synthetic Oil for lubricating fan motors it comes with an applicator tube tip for simple, clean use. Generally, belts need to be replaced every 1 year. When servicing your AC blower, the first thing you should do is turn off the power to your AC unit. A loose or damaged panel can cause problems such as high humidity or air leaks. Check for air leaks in your ductwork. This ensures proper cycling and safe operation for your HVAC system. Bleach also helps sanitize and prevent future algae growth. Fan delay incorporated into the controls logic, allowing the fan to run [15 mins] after the heater has deactivated/switched off. Even though most AC equipment repairs should be handled by an AC technician, there is still a lot that you can do to ensure that everything stays working correctly. HVAC Training Shop is reader-supported. Lack of lubrication causes system parts to break down more quickly, requiring more frequent repairs and/or replacements. Unit and all components including valves and controls are installed and labeled in line with the project naming convention. All Rights Reserved. This drain brush bends through piping to cleanup gunk buildup from the interior of AC drain lines. Use the brush to scrub and clean the interior of the drain line. The room/area the unit will be installed into is clean and dust-free. Panel filters are installed, clean, and are of the correct grade. Prior to the units being placed into storage, the following should be checked. It is usually a centrifugal fan that is capable of moving large amounts of air. Loose connections can cause equipment failure or fires. A utility brush works well to scrub off mold from vents. Ensure the fan is true and aligned correctly. If the fins are bent or broken then your ACs efficiency will suffer, resulting in a higher energy bill. However, you should not need to clean your evaporator coil if you change your filters often. A light detergent helps to remove mold quickly. Next, go inside to your air handler and remove the vent cap from the top of the vent tee. This includes turning off the disconnect for the piece of equipment that you are going to be servicing, whether it is the indoor or outdoor unit. Make sure your thermostat is away from all heat sources, including solar rays from the sun, lamps, and heat-producing appliances. Keep in mind that under normal conditions, most drain pans should not have any water in them. Coldwater feed is connected to the humidifier unit. Ensure that the gas and suction pipework is connected and the correct size. If your drain line becomes clogged, this can cause water leaks and other moisture and wetness problems. Pipework that is to connect to the unit has been pressure/vacuum tested. After inspecting your drain line and drain pan, note if they have any gunk built up or any signs of slime. All cabling is installed and connected on the correct containment/raceways and not damaged. Once the equipment has been installed and prior to the functional testing and commissioning phase taking place the following will be checked. The blower on your air conditioner is the fan that blows air throughout your home. You can use a wet/dry vacuum to suck the debris out of the drain line. Variable speed drive has been functionally tested. Electrical connections and cables are complete, fully tested, and torqued in line with project/manufacturer requirements. The system is charged with the correct type and amount of refrigerant. If you dont want bacteria, water, and mold in and around your HVAC system, call your HVAC contractor to check and clear your condensate drain line. We have formatted the above into an Open copy of [Microsoft Word] + [Microsoft Excel] for purchase at a nominal cost to help grow the site and resources. To clean your drain pan, youll want to remove any standing water and debris from it. Ensure that the belt is in good condition and not overworn. If you are a homeowner, it is important to be familiar with your AC system so you can catch problems before they happen. Have you scheduled your professional air conditioning maintenance appointment yet? No tight bends, or kinks. Outdoor units are typically very robust and can handle getting wet. Power is available to the electric heater/control panel for operation. The motor body should not vibrate or move from its fixed position. This CRAC Unit Checklist can be used and completed throughout the project and its different stages covering: Once the pre-functional checks have been completed, including all equipment and ancillaries related to the system, the full functional testing/commissioning can be conducted. The condenser unit, if installed externally, ensures it can be fixed to the slab and in line with the manufacturers instructions /requirements. The area is well ventilated and has no risk of high humidity. It has a flexible hose for easy use and comes with 4 CO2 cartridges. Voltage from electrical systems is correct for the unit requirements. Any damage that is noted should be reported to the manufacturer/supplier immediately days in writing supported with photographs. This drain gun uses high-pressure gas to clear condensate drains instantly. Filters have the correct sealing gaskets installed. Operation and startup manual for the Condenser available. Another thing to look out for is animals and insects. Fans should rotate freely and need some oil to do so. 2022, On Time Service, All Rights Reserved Built with, How to Save Money and Energy in the Bedroom and Living Room, Blower Motor measure amperage and voltage for proper operation, Thermostat test for proper operation, calibrate and level, Bearing inspect for wear and lubricate, Condensate Drain flush and treat with anti-algae, Refrigerant monitor operating pressures, Safety Devices inspect for proper operation, Electrical Disconnect Box inspect for proper rating and safe installation, Electrical Wiring inspect and tighten connections, Test/inspect contactors for burned, pitted contacts, Inspect service valves for proper operation, Measure Supply/Return temperature differential, Compressor monitor, measure amperage and volt draw and wiring connections. Valves and dampers should open and close properly as they are controlled by your thermostat. Inspect your outdoor heat pump every 30 days for clogs and debris. Clean off leaves, grass clippings, twigs, and other debris from your outdoor heat pump. It is important to keep the electronics clean to keep your equipment running. After the power is off, remove the screws from the top of the unit so you can remove the panel and gain access to the fan motor. Weak connections can cause sparks and fire, so make sure that all connections are tight. Keeping your AC drain line and drain pain clean is very important for a clean AC system. Even though ductwork is much simpler than other parts of your HVAC system, it can have its own problems as well. So exercise caution when spraying down your evaporator coil. The best practice is to install self-supporting brackets prior to the connection of the unit. Ensure all gaskets are installed and sealed. Next, carefully remove the filter from the unit. Slimy, organic material tends to coat the inside of drain lines and wont cause any problems at first. To clean the condenser coil on your outdoor unit, you can simply spray it down with a garden hose. All valves fitted and operating [isolation, non-return]. Small critters can crawl up into your ductwork and die, leaving behind a smelly mess. Variable Speed Drive [VSD] has been electrically tested. [check the manufacturer's maintenance instructions for requirements], There is enough space allowed around and above the Condenser Unit once installed to perform maintenance and remove components. Site designed and managed by Wowsers Web Design. Remove any plants or grass that gets in the way of your condenser or outdoor unit. If your thermostat has a schedule, check to see that the schedule is set up correctly, and turns the AC unit on and off according to the schedule. Confirm that there is a safe manner to remove the parts and components of the units and that there is enough space at the high level and at the floor level to allow this. A high-pitched screeching noise from a condenser fan is a telltale sign that it needs oil. All safety components are connected and operational including all thermostats to cut power to the heater if needed. The equipment will be raised from the floor to allow airflow and stop the risk of water ingress. After disposing of the old filter, replace it with a new one. Check that the humidity sensor is calibrated. A variable speed drive has been installed. Fill out the form below and we'll reach out to schedule your service appointment. Seismic restraints, where required, installed. However, the fan belts life will be significantly impacted by how well it is aligned and tensioned. If it seems clogged, it isreplace it! Sometimes a rag will do the trick. For the most stubborn clogs, a drain gun is a last resort to unclog a drain line. Inspect your vents and registers for dust and mold. Some air filters have arrows on them that indicate the direction of the airflow. Ensure that the fan is clean of dust and debris. Prior to the units being installed the following should be checked. Filter mounting frames are clean and dust-free. All-access doors can be open and closed with no gaps or leakage. Use an air compressor or some Dust-Off to blow out any dead insects or debris from the electrical enclosure. Your HVAC contractor will also be able to repair or replace any leaking condensate drain pans that you may have. As an Amazon Associate, I earn from qualifying purchases. But if it is not cleaned, it will cause your drain line to clog and your drain pan to overflow. Metal clamps are used to connect the pipework between the humidifier and the standalone unit. It comes with an applicator tube for easy injection into motor oiling ports. To clean your AC drain line, use a flexible drain brush to scrub the interior of the drain line. Check that all transport bolts and feet are removed. Motor protection installed and operating [Overload]. A local motor control panel [LMCP] has been installed. The ductwork delivers air to the various parts of your home, so you need to ensure that everything is intact. This ensures your electrical connections are operating safely. Operation and startup manual for the CRAC Unit available. Check your thermostat for proper operation. You dont want your AC to fail when it is needed most. The thermostat should control the AC unit properly. Do this in the beginning of every spring season to help keep your line clear. The only exception is changing the air filter, which you should do at least every 1-2 months, or as needed. Its important to heck if your system is starting, operating, and shutting off properly. If fire dampers were installed as per the drawings, ensure they have been tested in line with the project requirements. Below is a list of maintenance items that you should conduct on your AC system at least once a year. A drain gun injects pressurized gas into the drain line to force the clog out of the pipe. Once the CRAC Unit & Condenser arrives at the site, usually delivered by a transport company, and before being accepted into storage, the following should be checked with the driver. Dust buildup on registers can be wiped away with a cloth. Be sure that your AC equipment is clear of any obstructions. Cleaning the evaporator coil on your air handler is a little trickier since it is in a tight space and you can potentially get other parts of your system wet in the process. About Us Disclaimer FAQs Testimonials Contact Us, Copyright 2016 Fix My AC, Inc., Irvine, California. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn commissions by linking to Amazon.com and affiliated sites. Ensure that the gas and suction pipework connections are the correct size. Youll want to dislodge any debris from your drain line and remove any clogs. Although you are able to change your filter yourself (and you should! Fan/motor rotates in the correct direction with no obstructions [electrically bump unit on]. By taking some time to inspect and observe how your system is running, you will become knowledgeable about how everything should work. During warm months, your air conditioner will be in heavy use, so it is important to keep it maintained. To change your filter, first, turn off your HVAC system. Other times, there might be a good amount of water and youll need to use a wet/dry vacuum to suck the water out. Temperature/humidity sensors were installed and calibrated back to the BMS head end. Ensure that all cleats are installed as per the manufacturers instructions. I earn from qualifying purchases. Take a look at the fan belt and pulleys if your unit has them. This ensures that your condensate drain line is clean and clear. The brush gets in between the tight slots on the vent to scrub off mold and dirt. Check that there is enough space for filters, coils, and fans to be removed and replaced. Condensate pipework has been flowed tested. It won't corrode metal or remove paint, so it is safe to use on vents and ductwork. Wear proper personal protective equipment (PPE) such as safety glasses, gloves, and a mask. Professional maintenance is the best way to keep your air conditioningsystem healthy, efficient, and long-lasting. Use a sponge or light scrubber to remove mold off of larger surfaces such as ductwork. Leaks can also be caused if you have a cracked condensate drain pain. Where installed, Hot Aisle containment has been completed, including all doors and there are no air gaps with ceiling or panels. Test holes available in the duct to allow air readings. While a dirty drain line or pan doesnt directly affect the performance of your AC system, it can create a dirty mess in or around your AC unit if not maintained properly. Checking and tightening electrical connections also helps improve the lifespan of your heating and cooling system. Ensure that all access doors are clear and not blocked from brackets or other services. Units will not have materials stacked on them. The area being installed is not prone to flooding or ponding of water. Please do not underestimate the impact your purchase can have on this site; it allows us to re-invest in more content/resources, keeping those annoying banner adverts away. This ensures your air conditioners refrigerant charge and make sure it meets manufacturer specifications too much or too little refrigerant causes problems with the moving parts of your HVAC system, including the compressor and condenser. .wp-show-posts-columns#wpsp-3278 {margin-left: -2em; }.wp-show-posts-columns#wpsp-3278 .wp-show-posts-inner {margin: 0 0 2em 2em; }, .wp-show-posts-columns#wpsp-3283 {margin-left: -2em; }.wp-show-posts-columns#wpsp-3283 .wp-show-posts-inner {margin: 0 0 2em 2em; }. If you have bushes or other plants encroaching on the heat pump, trim them back. Keep an eye out for any damage to your coils since that will inhibit their performance. Check the panels and case of your AC unit for any damage. Check all coils for damage externally and internally. [if the unit is not rated for external use]. Humidifier internals is clean and clear of debris. If there is a buildup of snow it will not affect the condenser units operation of maintenance requirements. All controls cabling is connected and installed in line with the manufacturers/design drawings. Check to ensure that all connection kits containing - gaskets, bolts, cleats, screws are available to allow bolting up of the equipment. It may help to use some duct tape to secure the vacuum hose to the drain line opening to ensure it forms a good seal before sucking the slime out. If you have mold on your vents or ducts, then you will need to clean it off. Doing this ensures that your electrical connections dont short circuit and helps to prevent equipment failure or fire. You should replace your filters AT LEAST every 3 months (90 days). After the power is shut off, remove the panel that encloses the units electrical controls. The oil ports can sometimes be hard to find they are usually small holes on the side of the fan motor. If you have a qualified HVAC technician inspect your air conditioningsystem, they should check all of the following components: This ensures your thermostat is installed properly and away from all heat sources, including solar rays, light bulbs, and heat-producing appliances. Connections between the standalone unit and the humidifier are using the specific manufacturer's hoses. While you are in the process of checking out your AC system, be sure to look out for any loose parts or screws. A copy of the order that was sent to the supplier is available for reference and is being used to check against. Go outside of your house and insert the drain brush into the pipe where your AC drains at.

All ancillaries will be placed in a safe and secure location, so items do not go missing or get damaged. For any other electrical maintenance or issues, it is best to consult an HVAC professional to diagnose and troubleshoot equipment. Next, open the filter access panel on your air handler.

There are a few things that you can do yourself without calling a service technician. All ancillaries [valves, actuators, dampers, filters] are included in delivery as per the order and delivery note. Inspecting and maintaining your AC system also is about becoming familiar with your equipment, that way you are able to call a professional even before something goes wrong. Also, check for proper operation of any modulating valves or dampers that are part of your AC system. Air filters should be replaced every 1-2 months. Scrub the interior of the drain line from the vent tee opening. Ensure that the gas and suction pipework handings are correct. Differential pressure sensors are installed and calibrated. The pump is electrically connected with testing completed to electrical components. If there are multiple coils installed on a unit, ensure the condensate pipework configuration is installed in line with the manufacturers requirements. The fan and motor should rotate freely. Dirty coils reduce the efficiency of your air conditioner. All electrical cabling is labeled in line with the project naming convention. Document the information of each unit from its nameplate and cross-reference with the specified information to ensure correct. Inspect the electrical parts for any signs of loose wires or corrosion. It should only be used as a last resort option for completely clogged drain lines.

Click here for more information on getting your air conditioning system ready for summer. Supplier's consolidated delivery ticket is available, showing all equipment and ancillaries for inspection and being used to check against. Take note that the filter has a front and back, so it goes in a certain direction. In addition to lowering utility bills and increasing comfort and indoor air quality, annual professional maintenance also guarantees that your manufacturers warranty remains in effect. Check out the video below to learn how to properly align and tension a fan belt: Lubricating the fan motor is important, particularly for AC condenser fan motors. For instance, a properly adjusted fan belt can last much longer than a year, while an improper one can be destroyed in a few weeks. The external casing of the unit/s is undamaged. The installation of the CRAC Unit will not impede the installation of the condensate trap/pipework. To oil the condenser fan motor, you will first need to switch off the power to the condenser unit. If you use thinner, non-pleated air filters (such as plastic or fiberglass), then you should change those every 1 month (30 days). This ensures that you arent causing any unnecessary damage to moving parts with friction. All controls and panels have been installed to operate the motorized dampers. The unit nameplates and details match the purchase order. Controls valves fitted and operating to allow cold water into the system. Depending on if you have pets, allergies, or live in a dusty area, you may want to inspect and change your filters even more often. Check your air filter every 30 days by holding the filter up to a light and observing if any light can pass through. Where installed, Cold Aisle containment has been completed, including all doors and there are no air gaps with ceiling or panels. If the belt is overworn, it needs to be changed. If youre looking for a checklist that can you fill in or print out, check out myAC maintenance checklist pdf. [check the manufacturer's maintenance instructions for requirements]. Your outdoor condensing unit (aka heat pump) needs proper airflow in order to function effectively and efficiently. Fan, blades, and motors are clean and dust-free.

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