Venstar T2800 User Manual

Venstar Inc. 08/07
Meets Commercial California Title 24
Use with most Air Conditioning & Heating Systems including: 1 or 2 Stage
Electric Cooling & 3 Stage Gas Heating, Heat Pump, Electric or Hydronic Heat.
HEAT
COOL
HEAT
PUMP
Digital
Thermostat
PROGRAMMABLE
up to 3-heat
& 2-cool
7-DAY
Digital
Thermostat
PROGRAMMABLE
up to 3-heat
& 2-cool
7-DAY
THERMOSTAT
T2800
commercial
Control up to 3 Heat &
2 Cool Stages
3 Configurable Outputs
Timers & Deadbands
Backlit Display & Button
Legends
Aux Heat Indicator
Set Point Limiting
Adjustable 2nd & 3rd Stage
Outdoor Sensor Ready with
High/Low Readouts for the Day
Accepts EZ Programmer
Accepts Optional Humidity
Module: Controls Humidification
and Dehumidification
Accepts Optional IR
Remote Control
Accepts Comfort Call
Phone Control Accessory
OWNER’S
MANUAL
OWNER’S
MANUAL

Venstar T2800 Specifications

General

Display Type	LCD
Programmable	Yes
Compatibility	Conventional and Heat Pump Systems
Programmability	7-Day Programmable
Hold Function	Yes
Backup Battery	No
Power Source	24VAC
Stages	2 Heat/1 Cool
Dimensions	5.1 x 3.2 x 1.1 inches

Summary

SECTION 1 Quick Start

Setting the Clock and Day

Learn to set the thermostat's current time and day of the week.

Selecting the Heat or Cool Mode

Choose between heating, cooling, automatic, or off modes for system operation.

SECTION 2 Getting to Know Your Thermostat

Front Panel Buttons

Identify and understand the function of each button on the thermostat's front panel.

Display Features

Understand the various icons and indicators on the thermostat display screen.

SECTION 4 Basic Operation

Programming for Auto or Program Operation

Configure the thermostat for automatic or programmed operating modes.

Selecting the Proper Operating Mode

Understand how to select and use different operating modes like Heat, Cool, Auto, and Off.

Selecting Your Desired Temperature

Adjust the heat and cool setpoints according to comfort preferences.

SECTION 5 Viewing the Temperature and Humidity Sensors

Viewing the Outdoor Temperature

Display and interpret outdoor temperature readings from an optional sensor.

Viewing the Indoor Humidity

SECTION 6 Programming the Daily Schedule

Programming a Daily Schedule

Set daily temperature schedules with occupied and unoccupied periods.

Overriding the Daily Schedule

Temporarily adjust the schedule from programmed settings using the Override button.

SECTION 7 Programming the Fan Operation

SECTION 9 Humidification

Installing the Humidity Module

Setting a Thermostat Jumper for Humidity Operation

SECTION 10 Dehumidification

Configuring a Thermostat Output Jumper for Dehumidification Operation

SECTION 12 Electric Heat and Heat Pump Operation

Viewing the Heat Pump and Reversing Valve Jumper Setting

Viewing the Electric Heat Jumper Setting

SECTION 13 Timers and Deadbands

Adjusting the Heat/Cool Differential

Set the minimum temperature difference between heat and cool setpoints.

Adjusting the Cycles Per Hour

Adjusting the Deadband

Configure deadbands for multi-stage heating and cooling operations.

Adjusting the Minutes of Run-Time Before the Next Stage

SECTION 17 Configuring the MISC Outputs

Configuring the Jumpers

Explanation of Jumper Settings

SECTION 18 Factory Defaults, Calibration, and Sensors

Resetting the Thermostat to the Factory Default Settings

Restore the thermostat to its original factory default configuration.

Calibrating the Temperature and Humidity Sensors

Learn the procedure for calibrating temperature and humidity sensors.