Crestron CHV-TSTATEX Installationsanleitung PDF herunterladen (Seite 87)

Crestron CHV-TSTAT and CHV-THSTAT Thermostats

Operations and Installation Guide – DOC. 8163E Thermostats: CHV-TSTAT and CHV-THSTAT

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Glossary

Anticipators

Used to anticipate the drop or rise in temperature and energize the

appropriate system before reaching the setpoint.

Auto Dead Band Degree (Auto DdBand Deg)

Sets the minimum separation in auto mode between the heat and cool

setpoints, or the changeover band in 1-point auto mode.

Balance Point

The lowest outdoor temperature at which the refrigeration cycle of a heat

pump supplies the heating requirements without the aid of a supplementary

heat source.

Blower (Fan)

An air handling device for moving air in a distribution system.

Btu - British Thermal Unit

In scientific terms, it represents the amount of energy required to raise one

pound of water one degree Fahrenheit. One Btu is the equivalent of the heat

given off by a single wooden kitchen match.

Call

A call is when the thermostat requests the heating or cooling system to turn

on.

Damper

Found in ductwork, this movable plate opens and closes to control airflow.

Dampers are used effectively in zoning to regulate airflow to certain rooms.

Dead Band

The minimal differential between heating and cooling.

Dual Fuel

A heat pump used in conjunction with an existing furnace.

Dual Setpoint Auto

Enables the 2-point to mode.

Emergency Heat (Supplementary Electric Heat)

The auxiliary (AUX) or emergency heat provided at temperatures below a

heat pump's balance point. It is usually electrical resistance heat.

Forced Air

A type of heating system that uses a blower motor to move air through the

furnace and into the ductwork.

Furnace

Equipment used to convert heating energy, such as fuel, oil, gas or

electricity, to usable heat. It usually contains a heat exchanger, a blower and

the controls to operate the system.

Heat Exchanger

A device for the transfer of heat energy from the source to the conveying

medium of air or water. Most common combinations are: Refrigerant to air

or Refrigerant to water (DX), Water to air (hydronic), Steam to air, Steam

to water.

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