Venstar T2900SCH Manuel du propriétaire

Venstar Inc. 08/07Use with most Air Conditioning & Heating Systems including: 1 or 2 Stage Electric Cooling & 3 Stage Gas He

AUTO OR PROGRAM MODEPressing the UP or DOWN buttons in Auto or Program mode will adjust both the heat and cool set temperatures simultaneously.buttons

AUTOOFFONOverride123UnoccupiedAmI8:88SuMoTuWeThFrSaPm AUXHEATCOOLFanOnService FilterPan UV Light Program OnStartStopDeHumidifyI88SetupOutsideRemot

After calibration is complete, press the MODE button once to save your changes and return to normal operation.AUTOOFFONOverrideUnoccupiedAmI8:88SuMoTu

Page 22.4Viewing the Remote Temperature SensorsEach sensor is programmed with a “hard-coded” address that the thermostat “scans” in order from lowest

Page 23.1SECTION 23Accessories23RJ11 Type JackThe Accessory Port is located on the bottom of the thermostat.EZ PROGRAMMER (optional accessory) - When

24Page 24.1Description Df*Step# Range Step# Description

Page 25.1 dehum, 10.6 minutes of run- time, 13.4, 13.6 21.5, 24.1 turn off temperature

Page 25.2Fan, off time delay, 7.3, 24.1 on icon, 1.4, 2.4, 7.2 purge, 7.4, 24.1 1st stage deadband, see

Page 25.3Jumpers DEHUM, 21.4 ECON, 21.5 ELEC, 12.3 electric heat, 12.3, 24.1

Page 25.4Off Mode, 1.3, 2.3Outdoor button, see Buttons icon, 2.3 sensor, 2.3, 5.2, 13.1- 13.2, 15.2, 22.4Pan, Service see Dry C

Page 25.5Schedule, Daily, see Program2nd stage turn off temperature, 13.7, 24.1Security level, 8.4, 24.1 setpoints, 8.4, 24

Section 2 Contents: Front Panel Buttons...2.2 Display Features...2.3Page 2.1SECTION 2Getting to Know Your

Page 25.6 security, 8.4 unoccupied, 6.2-6.3Setup Icon, 2.4Simplest Operation, 4.2-4.3Smart Fan, 7.2Terminal, MISC, see

THIS WARRANTY DOES NOT INCLUDE LABOR OR OTHER COSTS incurred for diagnosing,repairing, removing, installing, shipping, servicing or handling of either

Backlit LCD DisplayOverrideButtonHeat or Cool Demand Indicator Red = Heat, Green = CoolAUTOI2:00SuPmHEATCOOL7274Front Panel Page 2.22Warmer Button

AUTOOFFONOverrideUnoccupiedAmI8:88SuMoTuWeThFrSaPm AUXHEATCOOLFanOnService FilterPan UV Light Program OnStartStopDeHumidifyI88SetupOutsideRemote88

AUTOOFFONOverrideUnoccupiedAmI8:88SuMoTuWeThFrSaPm AUXHEATCOOLFanOnService FilterPan UV Light Program OnStartStopDeHumidifyI88SetupOutsideRemote88

Remote icon - Page 22.4 Indicates the remote sensor reading of the thermostat is being viewed.AuxHeat icon - Pages 10.5 & 13.4 Ind

Page 3.1Section 3 Contents: Setting the Clock...3.2 Setting the Day...3.2Note: During setup &

Buttons.To adjust theClock or Day usePage 3.2MoSetup 2AmI2:00Setup ISetting the Clock Setting the DayPressMODEPress the MODE andHUMIDITY buttons at

Section 4 Contents: Programming for Auto or Program Operation...4.2 Selecting the Proper Operating Mode...

Page 4.2Select Yes if you would like the thermostat to be program-mable or No for non-program-mable.YESNOiProgram OnSetupPROGRAMPressProgrammable or N

Page iNOTE: Due to variations in environmental conditions, it is not always possible to achieve the desired humidification or dehumidification setpoi

Page 4.3YESNO2AUTOSetupPROGRAMPressPROGRAMMODEMODEPress the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will lea

PressMODEPressMODEHEATI2:00Su70Pm68COOLI2:00Su70Pm76OFFI2:00Su70PmNON-PROGRAMMABLE WITH MANUAL-CHANGEOVER - If the thermostat is configured to b

PressMODEPressMODEPressMODEHEAT70I2:00SuPm68COOLI2:00Su70Pm76HEATCOOLAUTOI2:00Su70Pm6876OFFI2:00Su70PmNON-PROGRAMMABLE WITH AUTO-CHANGEOVER - If the

PressMODEPressMODEPressMODEPressMODEHEATI2:00Su70Pm68COOLI2:00Su70Pm76OFFI2:00Su70PmPROGRAMMABLE WITH MANUAL-CHANGEOVER - If the thermostat is co

Program On will activate the time period program for the heating and cooling setpoints. (occupied or unoccupied periods)Time Schedule for Heating or

Page 4.8AUTO OR PROGRAM MODEPressing the UP or DOWN buttons in Auto or Program modes will adjust both the heat and cool set temperatures simultaneousl

Section 5 Contents: Viewing the Outdoor Temperature...5.2 Viewing the Indoor Humidity...

The highest and lowest temperatures for the day will be displayed along with the current outdoortemperature. This reading is from the sensor connecte

To view the indoor humidityreading, press the HUMIDITY buttonHUMIDITYPressHUMIDITY40HumidifySetup ICurrent Room HumidityRequires the Humidity Module

Section 6 Contents: Programming a Daily Schedule...6.2 Override Button Operation...6.5 Page 6.1SECTION 6Pr

Page iiPage 14.1Section 14 Contents: Adjusting the Heat/Cool Differential...14.2 Adjusting the Cycles Per Hour...

Press the PROGRAM button to enter time period programming.ContinuedPressPROGRAMPage 6.2Programming a Daily SchedulePressMODEPressMODEPressMODEPressMOD

ContinuedPressMODEPressMODEPressMODEPressMODEPressMODEPage 6.3Adjust the weekend start time. To have no weekend operation, setthe start time equal to

After programming for all seven days is complete, press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display

Page 6.5Override Button OperationPressOVERRIDEUnoccupied7:56WePmHEATCOOLProgram On655585Overrideoccupied30PmHEATCOOLProgram On6572747:56:We6Unoccupied

Section 7 Contents: Using the Fan Button...7.2 Smart Fan Operation...7.2 Setting the Fan-Off Time Delay...

When the fan is set for automatic operation it will energize any time there is a call for heating or cooling, otherwise the fan will remain off. Pres

Set the Fan Off Delayto 0, 30, 60, or 90 seconds.FanOnSetup3Press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the displa

When this feature is activated, the fan will turn on during an unoccupied period at a preset amount of time prior to Occupied. This preoccupancy fan

Section 8 Contents: Turning On/Off the Backlight...8.2 Programming the Thermostat to Display Temperature in

Press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup screens after 30 seconds.PressMODEPRO

Glossary of TermsPage iiiAuto-Changeover: A mode in which the thermostat will turn on the heating or cooling based on room temperature demand.Configur

Page 8.3 To prevent unauthorized use of the thermostat, the front panel buttons may be disabled. To disable, or ‘lock’ the keypad, press

Select the security level:0=No security in effect1=Setpoint range limited2=1+ program on all times3=2 + prohibits setpoint changesAdjust the

Page 9.1Additionally, the manufacturer of this thermostat is not responsiblefor the fitness of the humidifier and/or installation of said humidifierco

Page 9.29Figure 2Installing the Humidity ModuleBack of T2900SCHFor proper humidity operation, this jumper must be set for HUM.HUMNO HUMORTo install th

ECONPage 9.3Setting a Thermostat Jumper for Humidity Operation NEVER PUT MORE THAN ONE JUMPER ON THE SAME MISC JUMPER BLOCK!THIS MAY DAMAGE THE THERMO

Press the HUMIDITY button to leave the Humidity Control screens (if no buttons are pressed, the display will leave the Humidity Control screens after

Page 10.1NOTE: The dehumidification functions described in this section will only be available if a Humidity Module has been properly installed. For

ECONPage 10.2Setting a Thermostat Jumper for Dehumidification Operation NEVER PUT MORE THAN ONE JUMPER ON THE SAME MISC JUMPER BLOCK!THIS MAY DAMAGE T

Press the HUMIDITY button to leave the Humidity Control screens (if no buttons are pressed, the display will leave the Humidity Control screens after

Page 10.4Using Your Air Conditioner to Dehumidify Step 11 appears only if step 10 is set to “ON”Select Cool to Dehumidify feature. OnOffOFFDeHumidifyS

Page 10.5Using the Reheat FunctionThis feature allows the thermostat to turn on Electric Heating (W2) during Cool to Dehumidify to maintain room tempe

Page 10.6Using the Dehum TerminalPress the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup scre

Page 11.1Section 11 Contents: Viewing the Heat Run-Time...11.2 Viewing the Cool Run-Time...

Page 11.2Energy Watch: This feature enables you to closely monitor yourenergy usage by keeping track of the number of hours your heating system has be

Page 11.3Energy Watch: This feature enables you to closely monitor yourenergy usage by keeping track of the number of hours your cooling system has be

Press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup screens after 30 seconds.PROGRAMPress

Press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup screens after 30 seconds.PROGRAMPress

Page 11.6Viewing the UV Light Run-TimePress the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup

Page 12.1Section 12 Contents: Viewing the Heat Pump and Reversing Valve Jumper Setting...12.2 Viewing the E

Page 12.2Viewing the Heat Pump and Reversing Valve Jumper SettingsIndicates that the thermostat jumper is set for an O reversing valve (energize in co

213678910111213141516171819202122232445Quick StartGetting to Know YourThermostatSetting Clock and Day Basic Operation Viewing Temperature and Humidi

Page 12.3Viewing the Electric Heat Jumper SettingPress the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leav

ENTER EMERGENCY HEAT: Only available if you have a Heat Pump installed. To initiate the Emergency Heat feature, press the FAN button. While

Page 13.1Section 13 Contents: Adjusting the Heat/Cool Differential...13.2 Adjusting the Cycles Per Hour...

Page 13.2Adjusting the Heat/Cool DifferentialPress the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave th

Page 13.3Adjusting the Cycles Per HourPress the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup

Page 13.4Adjusting the DeadbandMULTI-STAGE OPERATION - Controls up to three Heat and two Cool stages. The 2nd Stage of heat or cool is (A)

Page 13.5Adjusting the DeadbandAdjust the deadbandfor the 1st stage. (1 - 6 )2Setup 24Adjust the deadbandfor the 2nd stage. (0 - 10 )2Setup25Adjust t

Page 13.6Adjusting the Minutes of Run-TimeBefore the Next Stage(0 - 60 min.)Adjust the amount of time stage 2 must be on before stage 3 turns on. (0

Page 13.7Selecting 2nd Stage Turn Off TemperatureIf ON is selected, the second stage of cooling or heating will remain energized until the thermostat

Page 14.1Section 14 Contents: Configuring a Thermostat Output Jumper for Programmable Output Operation...14.2 Time-Based Cont

Page 1.1Section 1 Contents: Setting the Clock and Day...1.2 Selecting the Heat or Cool Mode...1

ECONPage 14.2Setting a Thermostat Jumper for Programmable Output Operation To control one of the MISC outputs using time, temperature, or Internet/pho

Press the UP button to set the programmableoutput for time based operation. The digits in the clock area will appear. Page 14.3Time-Based Control of

Day7Setup32Setup 3 iPage 14.4MoSetup33Am7:00MoStartSetup34PressMODEPressMODEPressMODEContinued onthe next pagePressMODEIf Step 32 is set for 1-Day, th

Page 14.5PressMODEAdjust the programmableoutput stop time for MondayIf Yes is selected:If No is selected:PressMODEPressFANYesNo9:00MoSetup35PmTuIf Ste

Page 14.6Temperature-Based Control of theProgrammable OutputTo operate a MISC output using temperature-based operation, program advanced setup step #3

Possible REMOTE scenarios: 1) Arm the alarm system in your building after you have left for the day. 3) Turn on your in

Page 15.1Section 15 Contents: Installing the Remote Sensors...15.2 Controlling or Reading the Remote Tempera

Page 15.2Installing the Remote Sensors15See the Remote Sensor instructions for further details.The Remote Sensor measures indoor air temperature

Page 15.3The thermostat may be programmed to only READ the remote sensor,or to CONTROL to the remote sensor. Refer to advanced setup step #37, below.

Page 15.4Averaging the Remote Sensor (RS1) with the Thermostat SensorIf step #37 is set to control to the remote sensor, the thermostat will ignore th

Buttons.To adjust theClock or Day usePress the MODE andHUMIDITY buttons at the same timePress the MODE and HUMIDITY buttons at the same time to return

Page 16.1Section 16 Contents: Dry Contact Operation... 16.2 Dry Contact Polarity...16.2 Dry Contact Programming...16.3

Page 16.2Dry Contact Operation YESNOPress the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup s

Page 16.3Dry Contact ProgrammingOCCUPIED OR SERVICE THE CONDENSATE DRAIN PAN - If Occupied is selected in step #41 (below), when the dry contact

Page 16.4Random Start OperationThis feature allows a 2 to 30 second delay before energizing the thermostat outputs after any of these events:

Page 17.1Section 17 Contents: Setting up the Thermostat for Light Activated Operation...17.2 Adjusting the Ligh

Press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup screens after 30 seconds.PROGRAMPress

Page 17.3Adjusting the Light Sensor The light sensor can be adjusted for variable degrees of sensitivity. The sensitivity adjustment screw is located

Page 18.1How to Use the Override TimerDuring programmed, unoccupied periods, pressing the OVERRIDE button will temporarily force the thermostat into O

Page 19.1Section 19 Contents: Setting and Resetting the Service Filter (Fan Run-Time) Alerts...19.2 Setti

19Page 19.2How to Set and Reset the Service Filter (Fan Run-Time) AlertThis counter keeps track of the number of hours of fan run-time whether the fan

Selecting the Heat or Cool ModePressMODEPressMODEPressMODEPressMODEHEATI2:00Su70Pm68COOLI2:00Su70Pm76HEATCOOLAUTOI2:00Su70Pm6876HEATCOOLI2:00SuProgram

Page 19.3How to Set and Reset the UV Light Run-Time AlertThis counter keeps track of the number of days since the UV Light counter has been reset. Th

Page 19.4How to Set and Reset the Humidifier Run-Time AlertThis counter keeps track of the number of days since the Service Humidify icon was last res

Page 20.1When the thermostat is programmed for a Holiday mode, it will take effect at 12:00 am of the next day. In order for the Holiday mode to take

Page 20.2HOLIDAY DISPLAY - When the thermostat is placed into the Holiday mode, the thermostat will display the screen shown below. y 2Programm

Page 21.1Section 21 Contents: Configuring the Jumpers...21.2 Explanation of Jumper Settings...21.3 SECTION

Configuring the JumpersECONPage 21.2For additional flexibility, your thermostat has three configurable outputs. These outputs are designed to have di

PROG JUMPER SETTINGIf the jumper for MISC1, MISC2, or MISC3 is set to PROG, terminal on the backplate will control a pilot relay or other accessory.th

HUMIDIFICATION OPERATION - SECTION 9If your HVAC unit is equipped with a humidification system and the Humidity Module (sold separately) has been inst

ECON JUMPER SETTINGIf the jumper for MISC2 or MISC3 is set to ECON, terminal on the backplate will be connected to an economizer.the corresponding MIS

Page 22.1Section 22 Contents: Resetting the Thermostat to the Factory Default Settings...22.2 Calibrating the Temperature and Humidity Se