
Where must a disconnect for an air conditioner be located?
Disconnecting means shall be located within sight from and readily accessible from the air-conditioning or refrigerating equipment. The disconnecting means shall be permitted to be installed on or within the air-conditioning or refrigerating equipment.
What is the maximum distance an electrical disconnect can be located away from the AC unit?
50 ftThe disconnect that is provided to meet the requirements of 430.102(A) can also serve as the disconnect for the motor if it is located within sight from and not at a distance greater than 15 m (50 ft) from the motor and equipment.
Can an ac disconnect be behind the unit?
1:359:06Air-Conditioner disconnecting means requirements - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo the disconnect means must be within sight and readily accessible from the air conditioningMoreSo the disconnect means must be within sight and readily accessible from the air conditioning equipment. It can be in or on the equipment. But not over the nameplate or any access panels.
How far can the condenser be from the unit?
Clearance space above an air conditioner compressor/condenser unit Allow at least 48 in. (1219.2mm) above the compressor/condenser unit.
What is code for electrical disconnects?
The 2020 NEC requires an exterior emergency disconnect for one- and two-family dwelling units. Code Change Summary: New code section. The 2020 NEC will require an exterior emergency disconnect for one- and two-family dwelling units.
What is the 6 disconnect rule?
The rule is six disconnecting means for each service, not six service disconnecting means per building. If the building has two services, you can have a total of 12 service disconnects (six disconnects per service).
How much clearance does a AC disconnect need?
Per the NEC, 30" wide by 36" front to back by 6.5' vertical clearance. This is for ANY electrical panel including the corner of the condenser where the wiring enters.
How much clearance does a disconnect need?
There should be at least three to three-and-a-half feet of clearance in front of all electrical disconnects and breaker panels. In fact some employers go so far as to mark off a line on the floor or paint an area.
Does a condensing unit need a disconnect?
Disconnects are not used for regular control of the circuit, but are employed as a safety precaution. The disconnect must be within sight from the AC unit to prevent someone who doesn't know the technician is working on the unit from turning the power on causing unit damage or human life concerns.
Where should an outdoor condensing unit not be located?
The condenser should always go outside of your home and not in an attic, basement, garage, or crawl space.
Where can a condensing unit be located?
The condensing unit is separated from the refrigerated cabinet in refrigeration systems. For air conditioning, it can be located on the outside of the room where external ventilation assists in cooling down the refrigerant fluid passing through the inside of the system.
How far does a condenser have to be from a house?
The condensing unit needs both overhead room and some space on the sides. On the day your ductless mini split system is installed, the technician should set up the condenser so it has 20 or more inches of overhead clearance. From the wall of your home to the condensing unit, there should be five inches if not more.
How far does the disconnect have to be from a mini split?
If your breaker panel is 20' away and within sight of the unit, it's probably acceptable as a disconnect means but of course your AHJ (inspector) will have to agree. If you can't see it, you'll have to put in a separate disconnecting means.
What is the minimum depth for working clearance for an AC disconnect?
110-26 of the National Electrical Code (NEC): 1) at least a 3-ft clearance in front of all electrical equipment; 2) a 30 in.
Where are electrical disconnects required?
This code states that any large and permanently-wired equipment must have a disconnecting means within sight distance. This applies to your HVAC unit, your attic exhaust fans, and other major household equipment. In addition, the NEC states that this disconnecting means must be a device included on their list.
What are the rules that govern air-conditioning and refrigerating equipment disconnect means?
Article 440 requires you to locate the disconnecting means within sight of, and readily accessible from, the air-conditioning or refrigerating equipment (Figure 440-2). "Within sight" means visible from, and not more than 50 ft from, each other [Article 100] (Figure 440-4).