30 November 1998
12. FAN STARTER CONTROL CIRCUIT OVERRIDE BY EXTERNAL CONTROL SYSTEMS. The
ladder diagrams for fan starter control circuits will show provisions for shutting down the fans and for
overriding low temperature safety thermostats and smoke detectors to start the fans from external
systems. These provisions are intended to allow interface with smoke control systems.
13. COORDINATION WITH HVAC SYSTEM BALANCING. The project specification will require that
balancing is completed, that minimum damper positions are set, and that a balancing report is issued
before control systems are tuned. Other control system commissioning activities may be performed
independently of HVAC system balancing.
14. SYMBOLS. The standard symbols used in these instructions are shown in the glossary.
15. EXPLANATION OF TERMS. Terms, abbreviations and acronyms used in these instructions are
found in the glossary.