JOHNSON CONTROLS A19BAF-1C Penn Thermostat; 24 To 277 Vac, 6a, Gray

Johnson Controls A18BAF-1C Penn thermostat has an air coil sensing element that makes it perfect for use with building heaters, central heating units and air conditioners to heat or cool a confined room to a preset temperature. This thermal unit is beneficial in sensing and maintaining temperature in offices, hospitals and restaurants.

Working Mechanism:

• Johnson Controls penn thermostat operates on a bimetallic coil principle.
• It utilises two different metals bonded together, each with different thermal expansion rates.
• When the temperature changes, the bimetallic coil expands or contracts.
• The bending of the coil actuates a switch mechanism within the thermostat.
• The switch either opens or closes an electrical circuit to control the heating or cooling system, depending on the desired temperature setting.

Features:

• The sensor element of Johnson Controls A19BAF-1C thermostat is unaffected by changes in barometric pressure or cross-ambient conditions.
• This unit has a concealed set point dial with an adjustable differential.
• It features a NEMA 1-rated galvanised steel enclosure to prevent the entry of air contaminants and protect the unit from accidental drops.
• This unit can control the temperature within the range of 30 - 110 degrees Fahrenheit.

Compatible Accessories:

• Johnson Controls KNB20A-602R Knob: It is used to adjust & set temperature or control settings on HVAC and industrial equipment. This knob allows for precise and convenient temperature or control adjustments, enhancing the usability and functionality of the equipment.

Standards and Approvals:

• CSA
• UL

Frequently Asked Questions:

Q. What is the temperature differential of this thermostat?

A. 1.5 degrees Fahrenheit.

Q. What type of switch is offered in this thermostat?

A. SPDT.

Q. How to mount this thermostat?

A. Johnson Controls A18BAF-1C penn thermostat can be mounted vertically to any wall surface.