Friedrich air conditioner model numbers serial number#

Test for continuity in each switch position. Check for shorts in unit wiring and components. Instruct customer on use of this feature.Р вЂќР’В¬heck amperage draw against nameplate. Use high fan speed.Р вЂќР вЂЎresh air or exhaust air door open on applicable models.Р вЂќР’В¬lose doors. Poor air circulation in area being cooled.Р вЂќР вЂћdjust discharge air louvers. Test thermostat and replace if necessary.Р вЂќР’Вirty or plugged condenser or evaporator coil. (Be sure internal overload has had time to reset.) Test fan motor and replace if inoperative. Test capacitor and replace if inoperative. Test overload protector and replace if inoperative. If compressor starts, add starting components. Test thermostat and replace if inoperative.Р вЂќР’В¬ompressor hums but cuts off on overload.

Thermostat not set cold enough or inoperative. 115 volt and 230 volt units will operate at 10% voltaqe variance Visit our HEATING AND AIR CONDITIONING page for other related blog posts on this subject, or go to the INDEX for a complete listing of all our articles.Check for voltage at compressor.

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Friedrich air conditioner model numbers serial number#

Then the Friedrich name was abandoned in 1987, but revived later for window units and mini-splits, which use a different serial number system. To determine the age of a Friedrich system, go to our blog post How can I tell the age of a Friedrich heat pump from the serial number?For the age of another brand or manufacturer, go to our blog post How do I determine the age of my air conditioner?Р вЂќР вЂЎriedrich residential HVAC was acquired by ARCO in the 1980s and became Friedrich Climate Master, specializing in water source heat pumps. Make sure you use RLA and not LRA, Locked Rotor Amperage, which is the surge of amps necessary to overcome inertia and start the system. If you divide the RLA by 6 for older units and 5 or 6 for newer units, you should get a number that approximates (not exactly) the tonnage of the system. RLA is an acronym for Rated Load Amperage, and is what the maximum amperage should be when the condenser is up and running. If you are unsure whether you have found the right two numbers, you can double-check it by looking for the Р Р†Р вЂљРЎС™RLAР Р†Р вЂљРЎСљ rating on the data plate. HereР Р†Р вЂљРІвЂћСћs a rundown of the range you will encounter: 18 = 1.5 tons, 24 = 2 tons, 30 - 2.5 tons, 36 = 3 tons, 42 = 3.5 tons, 48 = 4 tons, and 60 = 5 tons. A ton of air conditioning equals 12,000 BTU, and 24 divided by 12 equals 2, so the data plate shown above indicates 2 tons. Just like the nominal size of lumber or an air conditioning filter, the exact cooling capacity may be a little more or less than the nominal rating, but itР Р†Р вЂљРІвЂћСћs close.Р вЂќР вЂЎor Friedrich, you should look near the middle of the model number, and it will be a number divisible by 6 or 12, which represents the nominal BTU of the system in thousands. You can determine the Р Р†Р вЂљРЎС™nominalР Р†Р вЂљРЎСљ size of your HVAC system by examining the model number on the data plate at the side of the condenser (outdoor unit).