(Redirected from LBBB). Left bundle branch block (LBBB) is a cardiac conduction abnormality seen on the electrocardiogram (ECG). In this condition, activation of the left ventricle is delayed, which causes the left ventricle to contract later than the right ventricle.
For instance, in the winter, if you set the thermostat to 20Â°C (68Â°F), it will activate the heating system when the house temperature drops below 20Â°C and will shut the system off when the house air warms up past 20Â°C. A setback thermostat contains an electronic clock.
A thermostat activates your furnace or air conditioner to come on at pre-set times determined by temperature changes in your home or office. Energy experts agree that setting your thermostat to adjust to different temperatures when you're home and away helps to save money on utility bills.et the heat. Setting the heat for your thermostat is very similar to setting the cooling option. Use the same switch or button to cycle through until you reach âheat.â You can then use the same set of arrows you used to set the cooling temperature to set the heating temperature.