What is code for AC disconnect?
The 2008 National Electric Code requires: 440.14 Location. 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.
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.
Can you mount a disconnect on a condenser?
The disconnect is required to be within sight and readily accessible, according to the National Electrical Code (NEC 440.14). It can be mounted directly on the equipment, but cannot obscure the nameplate or be located on a panel designed for service access.
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 do I mount my AC disconnect?
0:183:17How to Install an AC Disconnect - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo currently it's going directly from the junction box to the condenser.MoreSo currently it's going directly from the junction box to the condenser.
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.
Can you mount a disconnect to an AC unit?
The Disconect can be mounted to the unit and in many cases on larger units the disconnecting means is actually inside the unit.
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. -wide working space in front of equipment operating at 600V or less; and 3) minimum headroom clearance of 6 ft or the height of the equipment, whichever is greater.
Can I use a 60 amp disconnect on a 30 amp breaker?
As long as the circuit is on the proper size breaker, there's nothing wrong with using a 60 AmpDisconnect on a 30 Amp unit. The standard size for a/c pullouts is 60 Amp.
What is the minimum clearance for access panels on an outdoor condensing unit?
How Much Space Do You Need Around an AC Condenser? Horizontally, the minimum clearance space for an air conditioning condenser is one foot, however, two to three feet is optimal. Vertically, the minimum space for an AC unit clearance from trees above is five feet.
What are acceptable disconnecting means for appliances?
There are several different types of acceptable disconnecting means permitted in Part III (depending on the appliance) which may include a unit switch with a marked “off” position, a horsepower rated snap switch, or even the branch circuit breaker.
Where is the disconnect means for a motor required to be located?
within sightThe disconnecting means must be located within sight of the multiple controllers and in sight from the machinery or apparatus. Section 430.102(B) requires a disconnecting means to be located in sight from the motor and the driven machinery.