Question about Heating & Cooling
Posted by Anonymous on
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Posted on Jan 02, 2017
Motor, wiring and/or capacitor. If the sticker on the side of the motor isn't burned off you can get the motor info off that. Model numbers from the motor do little for locating the motor but my help. Best thing to do is get the AC motor specs and look up online (cheapest) or go to a motor shop. The specs you need would be as follows.
Horsepower-Such as 1/4 or 1/3
Voltage-Most likely 240/1 (240vac single phase)
Rotation-CW/CCW looking at the shaft end of the motor
Posted on Jul 11, 2009
Remove the cover where the power goes into the outside unit. In there should be the capacitor, circuit board, and contactor. There may be 2 capacitors or just one that works for the fan and compressor. If there is just 1 it will have 3 terminals and it is important to hook the wires back right so label them and write it down if you need to.
Posted on May 24, 2010
First off - the 'rule of thumb' is 600' per ton of Air Conditioning. In other words your old unit is a 2 ton unit. So - 2 tons x 600' = 1200'. As you can see if you install the 2.5 ton unit - you will be installing a AC that 'could' cool a 1500 sq ft house (2.5 x 600' =1500 sq ft.). Slightly more than what you need; and the 3.5 ton unit is 'way to big,' (3.5 x 600' = 2100 sq ft.).
Note: fyi - many in the AC business will sometimes refer to tonnage in btu's, i.e. 1 ton = 12000 btu - hence a '2 ton unit' can also be referred to as a 24000 btu unit and vice versa.
So... from the above - you can easily see that "2 tons" of Air conditioning is what is required to cool the 'average' home of 1100 sq ft. "roughly speaking."
Note: it is always best to have a professional 'size' your cooling/heating needs.
One of your questions was could you 'mix tonnage?'
The answer is 'usually you don't mix the tonnage of your outside/inside units.' However, professionals sometimes do (mix the tonnage) in certain situations, and installing a 2.5 ton outside unit with an existing 2 ton inside unit is often done, however, there are some 'tech issues' here and - I would "again" recommend that you call a Service Tech to help you with the sizing/mixing of your cooling/heating needs.
hope this has helped
Posted on Jun 20, 2010
Easy: Turn the "fan" switch to on at the thermostat and see if the blower starts. If no start, check breaker at breaker box. Check service disconnect at or near the air handler. With the breaker and/or service disconnect OFF check the 3 or 5 amp fuse inside the top cover in the air handler.
Not so easy: (You must know what you are doing for this part or let an HVAC Tech do it for you) Open thermostat and firmly jump the Y and R terminals to see if you get the compressor to start for no more than 30 seconds. (don't do it more than once.) Jump the G and R terminals to see if you get the blower to start. If so, u have a bad thermostat. If not, check the transformer inside the same cover in air handler for proper voltage. (24V. Make sure you also get 220 on the opposite side of the transformer)
If the blower comes on, but the heat pump doesnt start, open the side cover of the heat pump, with the thermostat on cool, and the temp. setting as low as possible for at least 10 minutes see if the contactor is pulled in. If so, check the capacitor and see if it's blown out. Be super careful these systems operate with 220v and the amperes are enough to kill you if you make a simple mistake.
Posted on Aug 28, 2010
Tips for a great answer:
Jun 30, 2017 | Goodman Heating & Cooling
Aug 04, 2012 | Goodman CKL36AR36 Air Conditioner
Aug 03, 2011 | Goodman CKL30AR30 Air Conditioner
Jun 20, 2010 | Carrier 38CKC036 Air Conditioner
Aug 11, 2009 | Heating & Cooling
Nov 20, 2017 | Quasar Heating & Cooling
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