Andover Controls Infinity Manual page 134

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Else
If INFINITY1 Zone1.SMK or INFINITY1 Zone2.SMK ~
or INFINITY1 Zone3.SMK or INFINITY1 ~
Zone4.SMK or INFINITY1 STRWL.SMK then
OADmp = On ' pressurize a zone is in smoke
Else
OADmp = DefaultDmpr.OA ' Normal HVAC Control
Endif
Endif
Endif
Endif
Endif
Endif
' Exhaust Air Damper
If INFINITY1 AH2EADmp.OVR.Opn then
EADmp = On
Else
If INFINITY1 AH2EADmp.OVR.Cls then
EADmp = -On
Else
If INFINITY1 Zone2.EXH or INFINITY1 Zone3.EXH or ~
INFINITY1 Zone4.EXH then
EADmp = On 'Open damper exhaust required
Else
If INFINITY1 Zone2.PRS and INFINITY1 Zone3.PRS ~
and INFINITY1 Zone4.PRS then
EADmp = -On 'Close damper all zones being pressurized
Else
If INFINITY1 Zone2.SMK or INFINITY1 Zone3.SMK or ~
INFINITY1 Zone4.SMK then
EADmp = On ' Exhaust, smoke on at least 1 floor
Else
If INFINITY1 Zone1.SMK or INFINITY1 STRWL.SMK ~
then
EADmp = -On ' pressurize smoke in Zone 1 or Stairs
Else
EADmp = DefaultDmpr.EA ' Normal HVAC Control
Endif
Endif
Endif
Endif
Endif
Endif
5-58
Smoke Control Programs
Infinity Smoke Control Guide
TOC