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Table of Contents
How To Use This Manual ................................................................................................. iv
Manual Organization ......................................................................................................iv
Manual Conventions ................................................................................................... v
Manual Symbols .......................................................................................................... v
Datamate Software ..................................................................................................... v
Getting Help ................................................................................................................vi
Where To Send Comments .........................................................................................vi
Product Overview ............................................................................................................. 1
Introduction .................................................................................................................... 1
Ordering Notes ............................................................................................................ 1
Hardware Inputs .......................................................................................................... 2
Hardware Outputs ....................................................................................................... 3
Controller LED Indicators ............................................................................................ 4
Temperature Sensors ................................................................................................. 4
Actuators ..................................................................................................................... 5
Applications ....................................................................................................................... 6
Basic Operation ............................................................................................................. 6
Control Temperature Setpoints ................................................................................... 6
Day/Night Mode ........................................................................................................... 6
Valve Configuration ..................................................................................................... 7
Heating and Cooling Switchover ................................................................................. 7
Control Loops .............................................................................................................. 7
Morning Warm-up/Cool-down ..................................................................................... 8
ON/OFF Coil Valve Control ......................................................................................... 8
Electric Heat ................................................................................................................ 8
Fan Operation ............................................................................................................. 8
Fail-safe Operation ...................................................................................................... 8
Application 2284 - Heating and DX Cooling, ASHRAE Cycles I and II ..................... 16
Application 2286 - Heating and DX Cooling, ASHRAE Cycle III ................................. 18
Application 2287 - Heating and Cooling, Nesbitt Cycle W ......................................... 20
Overview ................................................................................................................... 20
Application 2299 - Slave Mode ................................................................................... 22
Overview ................................................................................................................... 22
I
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