Rapid 2005 - SECTION 19: START-UP PROCEDURES; 19.4.2 Burner Pressure; 19.5 Gas Piping and Initial Pressure Settings

SECTION 18: SEQUENCE OF OPERATION
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Table 17: Configuration Chart
FIGURE 71: Air Handler Styles
Air Handler
Configuration
Air Flow Air Volume Control
Make Up Air (MUA) 100% Outside Air Constant -
Fixed Recirculation (FR)
Non-adjustable ratio of
20% outside air and
80% return air
Constant -
Air Management (AM)
Adjustable ratio of 20%
outside air and 80%
return air to 100% out-
side air and 0% return
air
Constant
Building Pressure
Controls Outside/
Retu rn Air Ratio
Variable Air Volume (VAV) 100% Outside Air
Variable
50% -
100%
Building Pressure
Controls Air
Volume
Requirement
DAMPER
FLOATING
DAMPER
FLOATING
MUA - MAKE UP AIR (All Models) FR - FIXED RETURN (All Models)
VAV - VARIABLE AIR VOLUME (2010 and 2010B)AM - AIR MANAGEMENT (2010 and 2010B)
VAV - VARIABLE AIR VOLUME (2020 and 2030)AM - AIR MANAGEMENT (2020 and 2030)
Floating Damper Floating Damper