Crestron CHV-TSTATEX Przewodnik Instalacji Pobierz pdf (Strona 88)

Thermostats Crestron CHV-TSTAT and CHV-THSTAT

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

Heat Pump

A unit that both cools and heats. A heat pump system can be either a split

system or a packaged system. A heat pump can be used in conjunction with

a gas/oil/LP furnace (using the furnace instead of electric resistance heat

when temperatures fall below about 35º F).

Humidity

The total amount of moisture in air. Relative humidity (RH) is the amount

of moisture in air, relative to its total capability based upon its temperature

(dewpoint). Moisture condenses on surfaces that are below this dewpoint.

HVAC

Heating, ventilation and air conditioning.

Interstage Differential

The proportional temperature error (0.5 to 3.0º) to trigger the second stage

(2-stage only).

Main Screen Lower Object (Main Screen Lwr Obj)

Selects the data item displayed at the bottom of the main screen. Choice of:

none, slab temperature, outdoor temperature, or indoor humidity.

Run Fan in Heat Calls (Run Fan in Ht Calls)

A device setting that activates the fan output with W1/W2 heat calls. Does

not enable operation on slab systems on the slab (W1) call.

Setpoint

The thermostat temperature or humidity adjustment setting.

Time Delay (Timer Guards)

Refers to a safety device or circuit that does not allow restart for three

minutes.

2-Stage Heating

The heating unit starts out running in its first stage, and operates at a

fraction of its capacity. When the temperature outside goes very low, the

system adjusts to full capacity (second stage) to meet the demand.

Wide Range Cool

Extends the cool setpoint range to the full auto range of 38° to 99° F.

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Crestron CHV-TSTATEX Przewodnik Instalacji Strona 88