An immersion thermostat is commonly used for water temperature control in an automatic gas-fired water heater (see Figure 4-32). This is usually a direct, snap-action,…
Sometimes a room thermostat is combined with a time switch. A time switch is an electrical switching device operated by a clock to provide one…
Thermostats are accurately calibrated at the factory under controlled conditions and should not require recalibration. Sometimes a thermostat will appear to require recalibration when the…
Before attempting to install the thermostat, read the manufacturer’ s installation instructions. These instructions should be followed as closely as possible to ensure efficient thermostat…
The location of the room thermostat is very important to the efficient operation of the heating and/or cooling system. If the room thermostat is improperly…
The room thermostat (see Figure 4-25) is regarded as the nerve center of the heating and cooling system because it controls the operation of the…
Many different thermostats are manufactured for use in heating and cooling systems. The design differences depend largely on the type of application. The most common…
The National Electrical Manufacturers Association is at present attempting to standardize thermostat markings in order to aid the installer in wiring and servicing. Thermostat terminals…
A thermostat consists of two basic parts: the base and the cover. A subbase can also be added to a thermostat to provide fan and…
A thermostat is an automatic device designed to maintain temperature control. It accomplishes this function by reacting to temperature changes with adjustments of a controlled…