The Johnson Controls A19 Series is a single stage, heating or cooling, SPDT temperature control that uses a liquid-filled sensing element and capillary. The unit has an exposed or concealed set point dial with adjustable differential, and it will switch line voltages.The A28 Series is a two stage, heating or cooling, w/2-SPDT temperature control that uses a liquid-filled sensing element. Temperature is arguably the most important component in a building's environment. The comfort of its occupants depends on an indoor climate that adapts to their needs. That core competency is at the heart of Johnson Controls. Our commercial thermostats provide unprecedented accuracy, efficiency and energy savings.

Johnson Controls A419 Wiring Diagram– wiring diagram is a simplified satisfactory pictorial representation of an electrical circuit. It shows the components of the circuit as simplified shapes, and the capability and signal friends amongst the devices.

A wiring diagram usually gives guidance practically the relative twist and settlement of devices and terminals on the devices, to back in building or servicing the device. This is unlike a schematic diagram, where the deal of the components’ interconnections on the diagram usually does not harmonize to the components’ mammal locations in the finished device. A pictorial diagram would acquit yourself more detail of the bodily appearance, whereas a wiring diagram uses a more symbolic notation to stress interconnections over instinctive appearance.

A wiring diagram is often used to troubleshoot problems and to create positive that every the connections have been made and that whatever is present.

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Architectural wiring diagrams play a role the approximate locations and interconnections of receptacles, lighting, and unshakable electrical services in a building. Interconnecting wire routes may be shown approximately, where particular receptacles or fixtures must be on a common circuit.

Wiring diagrams use tolerable symbols for wiring devices, usually substitute from those used on schematic diagrams. The electrical symbols not lonely feign where something is to be installed, but as a consequence what type of device is visceral installed. For example, a surface ceiling roomy is shown by one symbol, a recessed ceiling open has a rotate symbol, and a surface fluorescent well-ventilated has other symbol. Each type of switch has a vary metaphor and consequently pull off the various outlets. There are symbols that perform the location of smoke detectors, the doorbell chime, and thermostat. on large projects symbols may be numbered to show, for example, the panel board and circuit to which the device connects, and as well as to identify which of several types of fixture are to be installed at that location.

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A set of wiring diagrams may be required by the electrical inspection authority to approve relationship of the residence to the public electrical supply system.

Wiring diagrams will as a consequence add together panel schedules for circuit breaker panelboards, and riser diagrams for special services such as flame alarm or closed circuit television or extra special services.

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Collections of Johnson Controls A419 Wiring Diagram :

Description

Obsoleted… replaced by A421ABC-02C

The Johnson Controls A419ABC-1C SINGLE STAGE Temperature Control; W/DISPLAY HTG/CLG -30 TO 212F 120/240VAC INCL Sensor W/6 1/2ft (2M) LEAD

Johnson Controls Temperature Sensors

The A419 series controls are single-stage, electronic temperature controls with a Single Pole, Double Throw output relay. They feature a lockable front-panel touchpad for setup and adjustment, and a Liquid Crystal Display for viewing the temperature and status of other functions. A Light-Emitting Diode indicates the control’s output relay (On/Off) status. The A419 controls are available in 24VAC (A419GBF Series) or 120/240VAC (A419ABC Series) models.

Johnson Controls Thermostat A419

The A419 can be used to control a wide variety of single-stage refrigeration or HVAC equipment. Typical applications include:

Johnson Controls Room Thermostat

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