Overview; Applications; Features And Benefits - Quest Controls BACnet T­Stat User Manual

Figure 4 ‐ Programming Flow . ........................................................................................................................................ 7
Figure 5 ‐ Setting Communication Jumpers . ................................................................................................................ 1 2
1.0 Overview
The Quest Controls BACnet thermostat is designed for unitary equipment with single or multi‐stage
heating and cooling packages. It is an easy to use thermostat for small to medium sized commercial
buildings.
The Quest Controls BACnet T‐Stat provides functionality and configurability to accommodate most
conventional & heatpump applications. The application specific approach ensures that commissioning is
straightforward and hassle‐free. Each BACnet T‐Stat contains internal programming logic & an internal
schedule to operate independently and can be configured to lockout local access to ensure
programming integrity and ongoing correct control. The BACnet T‐Stat can also remotely communicate
through BACnet MSTP with the OspreyFMS dashboard.
The BACnet T‐Stat contains an onboard temp sensor making it suitable for zone mounting, or remote
input for panel mounting. The BACnet T‐Stat includes an additional 4/20 milliamp input, digital input,
and analog & digital outputs.
1.1 Applications
Quest's BACnet thermostat is designed to control most unitary hvac equipment including:
Rooftop Units
1.2 Features and Benefits
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Stand alone or network operation to control HVAC system
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BACnet MS/TP communications
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Control based on internal or remote zone temperature sensor
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Monitor zone temp, discharge air temp and fan status
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7 day timeclock with 2 Occupied and 1 UnOccupied schedules
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2 stages of cooling + 2 stages of heat + 1 fan
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Backlight display
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2 line 16 character display for ease of use
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Adjustable Min & Max run time for stages
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Sensor calibration through keypad
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5 button keypad and display for easy programming
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Lockout or limit user access via password
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Temp displayed in F or C
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Override with selectable Occupied timer (0 to 240 min)
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BACnet MAC address & BACnet Net address
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Temp user adjust limit
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Daylight Savings Time adjustment
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Use industry standard 10k type 3 thermistor
BACnet T‐Stat User's Manual Rev 1.1, 7/28/11
Split‐systems Gas Packs Heat Pumps
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