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A70 Series Four-Wire, Two-Circuit - Johnson Controls
PDF fileFigure 1: A70 Series action diagram. Selection charts Table 1: A70 Series Four-Wire, Two-Circuit Temperature Control Product Code Switch Action Number Main Contacts JOHNSON CONTROLS C/O CONTROLS PRODUCT MANAGEMENT NO. 32 CHANGJIJANG RD NEW DISTRICT WUXI JIANGSU PROVINCE 214028 CHINA JOHNSON CONTROLS WESTENDHOF 3 45143 ESSEN
Johnson Controls A70 Series Four-Wire, Two-Circuit
Johnson Controls A70 Series Four-Wire, Two-Circuit Temperature Control. Four-Wire, Two-Circuit Temperature Control. A70 Series. The A70 Series temperature control incorporates a vapor-charged sensing element. The A70G, A70H, and A70K have a 4-wire, 2-circuit contact block that contains two isolated sets of contacts.
Johnson Controls A70 Series | Low and High Heavy Duty
The A70 Series heavy-duty temperature-limit controls incorporate a vapor charged sensing element. A70G, A70H, and A70K have a four-wire, two-circuit contact block that contains two isolated sets of contacts. The contacts are designed to transfer at set point so that when the main contact opens, the auxiliary contact closes simultaneously.
Control Sensors – HVAC Sensors | Johnson Controls
At Johnson Controls, we’ve designed our HVAC Sensors to work seamlessly within your HVAC system. Our Control Sensors aren’t just engineered for performance – they’re engineered to help reduce expenses and time spent on installation.
Johnson Controls A70HA-1C | EnergyControl
Johnson Controls A70HA-1C : Four-Wire Two-Circuit Temperature Control, 15 to 55 Deg F (-9 to 13 C), Fixed Differential 5 Deg F (2.8 C), 1NO/1NC Main, 1/8 x 20 ft Bulb, Open Low
How to Construct Wiring Diagrams | Industrial Controls
Wiring diagrams help technicians to see how the controls are wired to the system. Many people can read and understand schematics known as label or line diagrams. This type of diagram is like taking a photograph of the parts and wires all connected up. These diagrams show the actual location of parts, color of wires, and how they are connected.
A70HA-1C - Johnson Controls A70HA-1C - Coil Freeze
Johnson Controls A70HA-1C - Coil Freeze Protection w/ Alarm Circuit (15-55F) - The A70 single-pole and A72 two-pole controls are supplied in a wide selection of ranges to meet most application needs. See "Temperature Ranges." Models may be supplied to open a circuit on temperature increase or close a circuit on temperature increase as required.
A419 Series Electronic Temperature - Johnson Controls
PDF fileThe A419 series controls are single-stage, electronic temperature controls with a Single-Pole, Double-Throw (SPDT) output relay. They feature a lockable front-panel touchpad for setup and adjustment, and an LCD for viewing the temperature and status of other functions. An LED indicates the controls’ output relay On/Off status.
A421 Series Electronic Temperature Controls - Johnson Controls
PDF fileThe performance specifications are nominal and conform to acceptable industry standards. For applications at conditions beyond these specifications, consult the local Johnson Controls office.
A70 Series Low Temperature Cutout Thermostat Line Voltage
PDF fileoperating controls. Where an operating control failure would result in personal injury and/or loss of property, it is the responsibility of the installer to add devices (safety, limit controls) that protect against, or systems (alarm, supervisory systems) that warn of, control failure. Installation Mounting ! CAUTION: Locate the thermostat case and

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