Mainmenuitem
Sub-menuitem1Sub-menuitem2
Explanations
Firealarm
input
Normallyopen
Damperexercise
No
SetiftheFirealarm
inputisNormally
closed/Normallyopen
Setifyouwantredamper
exerciserunningNo/Yes
unitrunning/Yesunit
stopped
Damperexercise
Runningtime:
90sec
Intervalin
days:1
Hourfor
exercise
Settherunningtimeforthe
damperexercise.
Sethowoftenthedamper
exercisewillrun.
Setthehourfordamper
exercise,0-23.
→Cooling
recovery
Cooling
recovery
No
Coolinglimit:
2.0°C
SetthecoolingrecoverytoYes
orNo.
Setthecoolinglimit(the
differenceintemperature
betweenextractairandoutdoor
airthatactivatesthecooling
recovery).
→External
setpoint
External
setpoint
Notactive
Minsetpoint:
12.0°C
Maxsetpoint:
30.0°C
Setifaexternalsetpointis
used,forexamplearoom
controller.
Notactive/Active.
Setminallowedsetpointofthe
externalsetpoint.
Setmaxallowedsetpointofthe
externalsetpoint.
→Step
controllers
Stepcontrol
heating
Notinuse.
Stepcontrol
cooling
Binarysteps
Startstep1:
10%
Stopstep1:
5%
Startstep2:
50%
Stopstep2:
45%
Startstep3:
95%
Stopstep3:
90%
Setthelevelofthecooling
outputthatstartsstep1ofthe
cooling.
Setthelevelofthecooling
outputthatstopstep1ofthe
cooling.
Setthelevelofthecooling
outputthatstartsstep2ofthe
cooling.
Setthelevelofthecooling
outputthatstopstep2ofthe
cooling.
Setthelevelofthecooling
outputthatstartsstep3ofthe
cooling.
Setthelevelofthecooling
outputthatstopstep3ofthe
cooling.
TA450-4500
OperationandMaintenanceInstructions
132616
20
SystemairSverigeAB