56
Enter
Is system mode =
OFF?
DMPPOS = 70%
Fan off if configured for Fan
Box Terminal Type
Is system mode =
EVAC?
Is system mode =
PRES?
Is system mode =
FREECOOL or COOL?
Is local mode =
HEAT?
Zone configured
for reheat?
Is local mode =
COOL?
Is local mode =
HEAT?
DMPPOS = 0%
Fan off if configured for
Series or Parallel Fan
Terminal Type
DMPPOS = Cool Max
Damper Position
Fan on if configured for
Series Fan Terminal Type
DMPPOS= Cool
Min Damper
Position
DMPPOS= Cool Min
Damper Position or
Reheat Damper Position
(if configure for Single
Duct Terminal Type)
which ever is greater
YES
NO
YES
YES
DMPPOS = Cool
Min Damper
Position
NO
NO
Run PID loop to stage or
modulate reheat to
control SAT= HSMR
DMPPOS= Cool Min
Damper Position or Vent
Poisition which ever is
greater
Is SAT between
65 and 75 ?
Run Temperature
Control PID Logic
Is SPT valid?
Is SPT valid?
DMPPOS= Heat
Min Damper
Position
Turn on fan if configured for
Series Fan Terminal Type
YES
YES
YES
YES
YES
System mode =
HEAT
NO
NO
NO
NO
YES
Local mode = VENT
Turn on fan if
configured for Parallel
Fan Terminal Type
NO
YES
DMPPOS = TC_DPOS
Exit
NO
NO
YES
NO
3V™ Zone Damper Operation
LEGEND
DMPPOS
—
Damper Position
EVAC
—
Evacuation
HSMR
—
Heat Submaster Reference
PID
—
Proportional/Integral/Derivative
PRES
—
Pressurization
SAT
—
Supply Air Temperature
SPT
—
Space Temperature
TC_DPOS —
Temperature Control Damper Output
VENT
—
Ventilation
Содержание 3V VVT 33ZCVVTZC-01
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