Venstar T1050 Owner's Manual download pdf (Page 16)

About Advanced Features & Operation

DEADBAND OPERATION - Controls up to two Heat and two Cool stages

(please see the diagram on the next page).

And

The 2nd Stage of heat or cool is turned on when:

(A) The 1st Stage has been on for a minimum of two minutes.

(B) The temperature spread from the setpoint is equal to or greater

than: the setpoint plus the 1st stage deadband (step #6, page 12),

plus the 2nd stage deadband. This 2nd stage deadband is fixed at

two degrees and is not adjustable.

The 1st Stage of heat or cool is turned on when:

(A) The temperature spread from the setpoint is equal to or greater

than: the setpoint plus the 1st stage deadband (step #6, page 12).

This 1st stage deadband is adjustable from 1-6 degrees and the

default is two degrees.

Page 15

CALIBRATION - Under normal circumstances it will not be necessary to

adjust the calibration of the temperature. If calibration is required,

please contact a trained HVAC technician to correctly perform the

following procedure.

Place the therm-

ostat in the OFF

mode.

Press

MODE button.

While holding the

MODE button,

press and hold the

DOWN button for

5 seconds. All icons

will appear on the display.

and hold the

MODE

Press the MODE

button once. The

thermostat temp-

erature will be

displayed and

may be calibrated

using the UP or DOWN buttons.

After calibration is

complete, press

the MODE button

once to save

your changes and

return to normal operation.

MODE

OFF

I2:00

HEAT

COOL

ONOFF

AUTO

Fan On

Program

Locked

Setup

I8:88

Day

Night

Evening

Morning

SuMoTuWeThFrSa

OFF

I2:00

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Venstar T1050 Owner's Manual Page 16

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