Operating Instructions

Siemens Building Technologies, Inc. I
Table of Contents
How to Use This Manual ................................................................................................. III
Manual Organization..................................................................................................... III
Manual Conventions.....................................................................................................IV
Manual Symbols ...........................................................................................................IV
Where to Send Comments ............................................................................................V
Chapter 1 - Introduction................................................................................................ 1-1
The Controller............................................................................................................. 1-1
LRC Configurations .................................................................................................... 1-2
Configurations with General Exhaust....................................................................... 1-2
Configurations without General Exhaust.................................................................. 1-7
Chapter 2 - Hardware..................................................................................................... 2-1
Laboratory Room Controller ....................................................................................... 2-1
LRC Components ....................................................................................................... 2-2
Laboratory Controller Module ..................................................................................... 2-6
LCM outputs............................................................................................................. 2-6
LCM inputs............................................................................................................... 2-9
LCM indicators ......................................................................................................... 2-9
Fume Hood Flow Module.......................................................................................... 2-10
Analog Output–Pneumatic Transducer .................................................................... 2-11
Laboratory Analog Output-Pneumatic Module.......................................................... 2-12
Autozero Module....................................................................................................... 2-13
Laboratory Analog Output-Electronic Module........................................................... 2-14
Chapter 3 - Controlling Laboratory Airflow................................................................. 3-1
Laboratory Ventilation and Pressurization .................................................................. 3-1
Setting the Flow Difference for Pressurization............................................................ 3-4
Improperly pressurized building environment .......................................................... 3-4
Leakage from other spaces ..................................................................................... 3-4
Inaccurate flow reading............................................................................................ 3-5
Setting Limits on Supply and General Exhaust Flow.................................................. 3-5
Using an Unoccupied Mode........................................................................................ 3-6
Amount of setback possible..................................................................................... 3-7