Operating Instructions

Laboratory Room Controller Owner's Manual
II Siemens Building Technologies, Inc.
Hours of unoccupied operation................................................................................ 3-7
Cost of conditioning supply air ................................................................................. 3-7
Cost of moving supply and exhaust flows................................................................ 3-7
Setting the Unoccupied Flow Rates............................................................................ 3-8
Determining Occupancy ............................................................................................. 3-9
LRC Priority............................................................................................................ 3-10
Example 1: Occupancy Schedule Combined with a Manual Switch...................... 3-11
Example 2: Button on Thermostat Combined with Fume Hood Sash Positions .... 3-11
Working with Occupancy and Ventilation Setback ................................................... 3-12
Scheduling Occupancy............................................................................................. 3-13
Manually Commanding Occupancy.......................................................................... 3-13
Commanding an LRC to Occupied Mode .............................................................. 3-13
Commanding an LRC to Unoccupied Mode .......................................................... 3-13
Using Air Flow Alarms .............................................................................................. 3-14
Types of Alarms........................................................................................................ 3-15
Volume Difference Alarm ....................................................................................... 3-15
Ventilation Alarm .................................................................................................... 3-15
Troubleshooting Laboratory Airflow.......................................................................... 3-16
Problem 1: Observed Positive Pressurization........................................................ 3-16
Problem 2: Ventilation Alarm.................................................................................. 3-17
Problem 3: Pressurization Alarm............................................................................ 3-17
Problem 4: Unstable Airflow................................................................................... 3-18
Chapter 4 - Controlling Laboratory Temperature....................................................... 4-1
LRC Temperature Control System ............................................................................. 4-1
HVAC Sequencer ....................................................................................................... 4-1
Temperature control sequence of Application 2601 and 2611 ................................ 4-2
Temperature control sequence of Application 2602 and 2612 ................................ 4-5
Temperature control sequence of Application 2603 and 2613 ................................ 4-5
Setting the Room Temperature .................................................................................. 4-8
Chapter 5 - Monitoring Laboratory Operation............................................................. 5-1
Laboratory Room Graphics......................................................................................... 5-1
Periodic Verification of Safe Laboratory Ventilation.................................................... 5-2
Maintaining Safety Records........................................................................................ 5-4
Chapter 6 - Point Database ........................................................................................... 6-1
Glossary.............................................................................................................Glossary-1
Index.........................................................................................................................Index-1