The
thermostat serves as the control center for an HVAC system. When
it goes bad, the entire unit follows suit. When the entire HVAC
system doesn’t seem to budge, a damaged thermostat is one of the
most likely causes. Here are a few troubleshooting tips.
The thermostat must be
installed in the proper location. Owners need to ensure that the
thermostat is installed in the correct place; for instance, a
thermostat installed on a wall with high heat gain or heat loss will
never work properly as it will mainly react to the temperature of the
wall and not to the air indoors. Also, a thermostat exposed to direct
sunlight is going to experience problems.
Is there a big hole
behind the thermostat that feeds either cool or warm air drafts to
the device? Virtually every thermostat is designed with a hole that
lets wires in. If the wiring hole happens to be situated at the back
of the component, the hole must be stuffed with insulation and
covered with tape to prevent drafts from affecting the thermostat’s
functions.
Checking the heat
anticipator is also vital. A main part of most mechanical,
non-digital thermostats, the heat anticipator needs to be set
according to the amp draw on the heating control circuit. It offers a
small amount of energy savings, and it also prevents thermostat
overshooting as it shuts off the main burners and allows the fan to
continue running and dissipating heat.
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