Table of Contents
AIR CONDITIONING & HEAT PUMP LOADS – TYPICAL SIZE BTU Running Load 1 Ton 12,000 5 2 Ton 24,000 10 3 Ton 36,000 15.
How many amps does a 3 ton AC use?
11.18 amps Air Conditioner Capacity (Ton) BTU Amps 2 Ton 24,000 BTU 7.45 amps 2.5 Ton 30,000 BTU 9.32 amps 3 Ton 36,000 BTU 11.18 amps 3.5 Ton 42,000 BTU 13.04 amps.
What size breaker do I need for a 3 ton AC unit?
The inside air handler unit needs a 60 ampere circuit breaker. Less than 15 amperes for the blower and the rest for the electrical heating elements.
How many starting watts does a 3 ton air conditioner use?
A three ton central air conditioner uses 3500 watts per hour. As a general reference point, a 12,000 watt window unit uses 1200 watt per hour.
How many amps does a 3.5 ton air conditioner draw?
At 240 volts that’s a little over 30 amps. Different units will have different requirements. This is just a rule of thumb. The actual wattage will depend on the outdoor temperature, the indoor setting of the thermostat.
How many amps are in a ton?
A 1 ton AC system can use 6 to 7 amps. Depending on the type of system, energy efficiency, hours of usage, and star rating of the air conditioning unit, the power consumption will vary.
How many amps does a 4 ton AC draw?
A 4 ton 13 SEER heat pump condensation unit draws a min. of 26.4 amps and a max. of 45 amps.
How many amps does a 24000 BTU air conditioner use?
A 2-ton central air unit can draw up to 20 Amps.
Can I use a 60 amp disconnect on a 40 amp breaker?
Yes, you can install a 60 Amp disconnect and feed it from a 40 Amp circuit breaker.
How much does a 30 amp breaker cost?
The average cost to install a new circuit breaker is $187. The cost is as low as $130 for 15 amp to 30 amp breakers and as high as $280 for breakers up to 200 amps or when the circuit breaker is an older one with limited availability.
Will a 7500 watt generator run my air conditioner?
A 7,500-watt generator is the perfect size for powering most of the things that you need in your home during an extended blackout. The most important reason to opt for a 7,500-watt generator over a less powerful option is that it allows you to run a central air conditioning or heating system.
How many amps does a 3 ton mini split use?
You need a minimum 15 amp breaker for mini split systems up to 24,000 BTU/2 tons. A 20 amp breaker is sufficient for 36,000 BTU/3 ton systems, and a 30 amp breaker meets requirements for larger units to 60,000 BTU/5 tons.
How many amps does a home AC use?
Central air conditioning units require 208/240 volts. They must be hard wired and have a dedicated circuit. Units require anywhere from 15-60 amps depending on how many tons they are.
What size breaker do I need for a 4 ton air conditioner?
A 4 and 5-ton air-conditioner will likely need a circuit breaker rated 45-50 A connected with 8-10 AWG wire when supplied with 197-253 volts.
How many amps does a 2 ton air conditioner use?
A 2-ton central air unit can use up to 20 Amps.
How do you convert amps to AC tons?
To convert tons to amps, you must first convert tons to BTUs per hour, after which you can convert this value to watts, then use the formula amps = watts / volts to solve for amps. Convert tons to BTUs per hour by multiplying it by 12,000.
How much current does a 1 ton AC draw?
Cooling capacity of 1 ton is equal to 3517 W of power. Hence, cooling capacity of 1.5 ton = 5275 W of power. If the supply voltage is around 220 V AC, then the running current will be 1510/220 = 6.9 A.
How much electricity does a 3 ton heat pump use?
12.000 BTUs equal to 1 ton. That means that a 3-ton heat pump can remove 36.000 BTUs of air every hour. Such a heat pump needs 7.200 startup watts and 5.400 running watts.
How many amps does a 5 ton AC draw?
An average 5-ton air conditioner (with 10 EER rating) will run on 6,000 W. Such a 5-ton air conditioner will use 25 Amps at 240V. Examples of 60,000 BTU units are 4-zone mini-splits and 5-zone mini-split air conditioners.
What size breaker do I need for a 2.5 ton AC unit?
This information is for a 2.5 ton and a 3 ton air conditioner. As you can see, for the smaller AC the manufacturer specifies a wire size of 12 gauge minimum and a breaker size of 35 amps. Normally, for 12 gauge copper wire you’d need a circuit breaker of no more than 20 amps.
How many amps does a 18000 BTU air conditioner use?
An 18,000 BTU air conditioner is capable of drawing about 8 Amps of power.
How many amps does a 48000 BTU air conditioner use?
AIR CONDITIONING & HEAT PUMP LOADS – TYPICAL SIZE BTU Running Load 2 Ton 24,000 10 3 Ton 36,000 15 4 Ton 48,000 20.
How many amps does a 36000 BTU air conditioner use?
It really depends, a 36,000 BTU AC should use anywhere between about 20 to 30 amps.
Do they make a 40 amp disconnect?
The best-rated product in Disconnects is the 40 Amp 240-Volt Fused Evaporative Cooler Disconnect.
What amp disconnect do I need for my AC?
If you go smaller then 20 amp, you will experience nuisance tripping, and you are not allowed to go larger than 25 amps. If you have the circuit breaker at the panel, you could use a non-fused disconnect. Most of them are rated at 30 or 60 amps, which is more than what you need, and would be fine.
What size fuses for 30 amp AC disconnect?
The GE 30 Amp 120/240 Volt 240 Watt Fused (requires 2 fuses installed on the back side of the puller). AC disconnect has a NEMA 3R rated steel enclosure that is both rust and corrosion resistant for outdoor use.
