Get your AC ready for summer!

Air conditioners are the most crucial part of the home or business during the summer months. It is imperative to get ready for the coming summer temperatures. In this article I will go over a few things to look at on your Air Conditioner to get your AC ready for summer.

Excelvan M6013 Digital Auto Ranging Capacitance Meter Capacitor Tester Professional 0.01pF to 470000uFExcelvan M6013 Digital Auto Ranging Capacitance Meter Capacitor Tester Professional 0.01pF to 470000uFExcelvan M6013 Digital Auto Ranging Capacitance Meter Capacitor Tester Professional 0.01pF to 470000uFLCD Digital Meter XC6013L Capacitance Capacitor Tester mF uF Circuit Gauge Capacitance Meter TesterLCD Digital Meter XC6013L Capacitance Capacitor Tester mF uF Circuit Gauge Capacitance Meter TesterLCD Digital Meter XC6013L Capacitance Capacitor Tester mF uF Circuit Gauge Capacitance Meter TesterACM03 Digital Clamp Multimeter AC DC Current Voltage Resistance Capacitance Hz Meter Tester NCV FunctionACM03 Digital Clamp Multimeter AC DC Current Voltage Resistance Capacitance Hz Meter Tester NCV FunctionACM03 Digital Clamp Multimeter AC DC Current Voltage Resistance Capacitance Hz Meter Tester NCV Function

Capacitors are one of the most common things that go bad during the summer temperatures. You can prevent this by testing the capacitor Microfarad level by using a multimeter that is equipped with the feature. I recommend testing the indoor fan capacitor and outdoor fan capacitor. You can test the capacitor by removing one side of the circuit on the capacitor. Put the test leads of the multimeter across the top prongs of the capacitor. It should give you a microfarad reading of what the capacitor is rated for. So for example if you have a 12.5 microfarad capacitor. It would be most likely rated for plus or minus 6%.

12.5 x .06 = .75 So the capacitor shouldn’t be lower then 11.75 microfarads. Let’s say you have a capacitor that tested 11.13 microfarads. Then you would want to replace the capacitor with one that is within the range.

MARS - Motors & Armatures 12905 370V Oval 5 Micro-Farads Motor Run CapacitorMARS – Motors & Armatures 12905 370V Oval 5 Micro-Farads Motor Run CapacitorMARS - Motors & Armatures 12905 370V Oval 5 Micro-Farads Motor Run CapacitorMotor Run Capacitor, 370 Volt, Oval, 10 Micro-FaradsMotor Run Capacitor, 370 Volt, Oval, 10 Micro-FaradsMotor Run Capacitor, 370 Volt, Oval, 10 Micro-FaradsPowerWell 35 + 5 MFD uf PW-35/5/R 370 or 440 Volt Dual Run Round Capacitor for Condenser Straight Cool or Heat Pump Air Conditioner 35/5 micro faradPowerWell 35 + 5 MFD uf PW-35/5/R 370 or 440 Volt Dual Run Round Capacitor for Condenser Straight Cool or Heat Pump Air Conditioner 35/5 micro faradPowerWell 35 + 5 MFD uf PW-35/5/R 370 or 440 Volt Dual Run Round Capacitor for Condenser Straight Cool or Heat Pump Air Conditioner 35/5 micro faradPowerWell 40 + 5 MFD uf PW-40/5/R 370 or 440 Volt Dual Run Round Capacitor for Condenser Straight Cool or Heat Pump Air Conditioner 40/5 micro faradPowerWell 40 + 5 MFD uf PW-40/5/R 370 or 440 Volt Dual Run Round Capacitor for Condenser Straight Cool or Heat Pump Air Conditioner 40/5 micro faradPowerWell 40 + 5 MFD uf PW-40/5/R 370 or 440 Volt Dual Run Round Capacitor for Condenser Straight Cool or Heat Pump Air Conditioner 40/5 micro faradPowerWell 45+5 MFD 45/5 uf 370 or 440 Volt Dual Run Round Capacitor PW-45/5/R for Condenser Straight Cool or Heat Pump Air ConditionerPowerWell 45+5 MFD 45/5 uf 370 or 440 Volt Dual Run Round Capacitor PW-45/5/R for Condenser Straight Cool or Heat Pump Air ConditionerPowerWell 45+5 MFD 45/5 uf 370 or 440 Volt Dual Run Round Capacitor PW-45/5/R for Condenser Straight Cool or Heat Pump Air Conditioner

Most home AC’s use Dual run capacitors. These are two capacitors that are built in one. One is used to run the Compressor, and the other is used to run the outdoor fan motor. Capacitors are used in a electrical circuit to boost the amperage. So they can hold a charge when removed from the circuit. It is important to discharge the capacitor by putting a piece of metal between the sets of prongs on the top of the capacitor. I like to use a screwdriver.

Fan motors should be working without any excessive vibrations or bearing sounds. It is important to be careful of bending fan blades.  It is hard to repair a fan blade when a fan blade gets damaged. It is easier to just replace the fan blade with the exact same model of blade.

Goodman B1086756S Fan BladeGoodman B1086756S Fan BladeGoodman B1086756S Fan BladeLomanco 003 Power Blade VentLomanco 003 Power Blade VentLomanco 003 Power Blade VentFAN BLADES FOR EVAPORATOR MOTORS- 8FAN BLADES FOR EVAPORATOR MOTORS- 8FAN BLADES FOR EVAPORATOR MOTORS- 8A95231 Metal Fan Blade 9A95231 Metal Fan Blade 9A95231 Metal Fan Blade 9

Condenser coils get dirty over the years with dust and other things. You can spray off the coils with a garden hose to help remove the dirt. I recommend using a condenser coil cleaner if the coils are really dirty. Most common spray on cleaners will require water for the condenser coils and no water required for the evaporator coils. Since there is a build of condensation on the evap coils during operation that will rinse the chemical cleaners off.

Drain Dawg Regulator, Blow Gun, and Accessory Fitting KitDrain Dawg Regulator, Blow Gun, and Accessory Fitting KitDrain Dawg Regulator, Blow Gun, and Accessory Fitting KitDiversitech AP-DD Accessory Pack Drain DawgDiversitech AP-DD Accessory Pack Drain DawgDiversitech AP-DD Accessory Pack Drain DawgDiversitech AP-06 Drain DawgDiversitech AP-06 Drain DawgDiversitech AP-06 Drain DawgAC-Safe Foam Coil Cleaner - 19 ounce spray aerosol can: Cleans Evaporator and Condesor Coils, Fan Blades, and Reusable Air FiltersAC-Safe Foam Coil Cleaner – 19 ounce spray aerosol can: Cleans Evaporator and Condesor Coils, Fan Blades, and Reusable Air FiltersAC-Safe Foam Coil Cleaner - 19 ounce spray aerosol can: Cleans Evaporator and Condesor Coils, Fan Blades, and Reusable Air FiltersComStar 90-100 Coil King Professional Grade Concentrated Alkaline External Condenser Coil Cleaner, 1 gal Container, YellowComStar 90-100 Coil King Professional Grade Concentrated Alkaline External Condenser Coil Cleaner, 1 gal Container, YellowComStar 90-100 Coil King Professional Grade Concentrated Alkaline External Condenser Coil Cleaner, 1 gal Container, YellowAir Conditioner Condenser Fin and Refrigerator Coil Cleaning Whisk BrushAir Conditioner Condenser Fin and Refrigerator Coil Cleaning Whisk BrushAir Conditioner Condenser Fin and Refrigerator Coil Cleaning Whisk BrushNu-Calgon 4291-08 Nu-Brite, 1-GallonNu-Calgon 4291-08 Nu-Brite, 1-GallonNu-Calgon 4291-08 Nu-Brite, 1-Gallon

Most drains will get clogged over time with dirt, animal hair, and a sludge build up. I recommend checking the drains coming off the evap coils. You should clear the piping with water or compressed nitrogen if there is a clog. I like to use the drain dawg kit that has a long hose attached to a nitrogen regulator and tank.

Steps to winterize

Winter is coming!!! Now is time to get your systems ready for the colder temperatures if you haven’t done so already. In this article I will show you steps to winterize your units.  Many people don’t really think about their AC or evaporative coolers much after the summer months, but if you continue to do necessary maintenance steps. Then you can help prolong the life of your units, and that will help you save a few bucks eventually.
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Most units in Arizona that I come across are heat pump units. Meaning that they are built a special way in which they have a reversing valve. That will cause the hot air to blow across your indoor (evap) coils as opposed to usually leaving your outdoor (condenser) coil. Heat pumps usually are enough here in the desert since we only near freezing temperatures in the winter. Some heat pump units will have electrical heater strips as an addition to the heat pump operation. I have attached some examples of reversing valves below.

Brothers Heat Pump Reversing Valve 2.0 TonBrothers Heat Pump Reversing Valve 2.0 TonBrothers Heat Pump Reversing Valve 2.0 TonGoodman 0151M00019SP Goodman Reversing Valve And Coil (B1227316S)Goodman 0151M00019SP Goodman Reversing Valve And Coil (B1227316S)Goodman 0151M00019SP Goodman Reversing Valve And Coil (B1227316S)Goodman 0151R00071SP Reversing Valve (V6-414081-1GD) comes w/ BFKZ-053S Bi-Flow Filter DrierGoodman 0151R00071SP Reversing Valve (V6-414081-1GD) comes w/ BFKZ-053S Bi-Flow Filter DrierGoodman 0151R00071SP Reversing Valve (V6-414081-1GD) comes w/ BFKZ-053S Bi-Flow Filter DrierGoodman B1225017 24V Reversing Valve CoilGoodman B1225017 24V Reversing Valve CoilGoodman B1225017 24V Reversing Valve Coil

There are many other types of heating systems. Another common set up is a gas furnace. They are sometimes built into package units. They are easily identifiable with their need for a gas line hooked up to the unit. You will want to make sure the units engage when you call for heating on your thermostat. If you have a gas system you will want to make sure the gas valve is open. The thermostat should engage the furnace. Which will cause gas to engage and get lit by the igniters. Electrical heat strips should engage if they are equipped. If you have a hydronic system. You will want to make sure the water pump engages and flows the water through your coils.

Watts Dormont 30C-3131KIT-48B Complete Gas Range Install Kit 48-Inch LengthWatts Dormont 30C-3131KIT-48B Complete Gas Range Install Kit 48-Inch LengthWatts Dormont 30C-3131KIT-48B Complete Gas Range Install Kit 48-Inch LengthMr. Heater One-Stop Universal Gas-Appliance Hook-Up KitMr. Heater One-Stop Universal Gas-Appliance Hook-Up KitMr. Heater One-Stop Universal Gas-Appliance Hook-Up KitHot Max 24201 Extension/Appliance Hose for Propane or Natural Gas, 25 FeetHot Max 24201 Extension/Appliance Hose for Propane or Natural Gas, 25 FeetHot Max 24201 Extension/Appliance Hose for Propane or Natural Gas, 25 FeetEtekcity Lasergrip 1080 Non-contact Digital Laser Infrared Thermometer Temperature Gun -58℉~1022℉ (-50℃~550℃), Yellow and BlackEtekcity Lasergrip 1080 Non-contact Digital Laser Infrared Thermometer Temperature Gun -58℉~1022℉ (-50℃~550℃), Yellow and BlackEtekcity Lasergrip 1080 Non-contact Digital Laser Infrared Thermometer Temperature Gun -58℉~1022℉ (-50℃~550℃), Yellow and BlackNubee Temperature Gun Non-contact Infrared Thermometer MAX Display & EMS AdjustableNubee Temperature Gun Non-contact Infrared Thermometer MAX Display & EMS AdjustableNubee Temperature Gun Non-contact Infrared Thermometer MAX Display & EMS AdjustableFluke 62 MAX IR Thermometer, Non Contact, -20 to +932 Degree F RangeFluke 62 MAX IR Thermometer, Non Contact, -20 to +932 Degree F RangeFluke 62 MAX IR Thermometer, Non Contact, -20 to +932 Degree F Range

It is a good time to inspect the life of the other working parts of your evap cooler when winterizing it. I usually will replace the pads and possibly the belt at the end of the season if they have mineral build up on them. When winterizing I recommend shutting off the water supply, and removing the drain stem to remove the water from the pan. You can keep the fan plugged in if you would like to use it to bring in fresh air still. This is a good practice to follow because freezing water can shorten your machine’s life.

Clean Machine 120V PumpClean Machine 120V PumpClean Machine 120V PumpDial Manufacturing 5218 1 Pint Cooler Cleaner TreatmentDial Manufacturing 5218 1 Pint Cooler Cleaner TreatmentDial Manufacturing 5218 1 Pint Cooler Cleaner Treatment343434DIAL 51795 In-Line Scale CartridgeDIAL 51795 In-Line Scale CartridgeDIAL 51795 In-Line Scale Cartridge

I hope this article has helped you prepare for winter. Please comment or email if you need some help answering questions.

dollarmech@gmail.com

How to make your AC last longer

How to make your AC last longerAbout 12 years ago, I was “Mr Naive” about AC’s. If you would of asked me how they worked. Then I would’ve said something like “PFM” (pure f*cking magic). Since then I have been to several schools that have taught me the ways of how various refrigeration systems run. They have taught me how to best care for pretty much every type of refrigeration machine you can think of. So, I thought I should pass some of that knowledge on to you guys. In this article I will cover some of the most basic things that you can look at to help make your AC last longer.

It is important to remember to safely turn off the power before reaching your hands around the fan blades or handling the electrical wiring.

Things to look at:

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