SystemAir CD Control Panel User Manual

Menulevel1Menulevel2Menulevel3Explanation
Functions
Digitalinput
ConfigDI1–3
→ConfigDI4–7
DI4–7
DI4:Stopheat
DI5:Extrun
DI6:Dampertest
DI7:Home/leave
DI4–7aredefaultsetfromfactoryandcan’t
bechangedbytheuser.Belowfollowsa
shortdescriptionofeachfunction.
DI4:Makesitpossibletoturntheelectrical
re-heaterbatteryonoroff.
DI5:TurntheExtended/forcedrunning
functiononoroffbythehelpofaswitch.The
functionoverridescurrentsetfanspeed.
DI6:Automatictestofthebypassdamper
function.Thisdigitalinputisnotavailablefor
theuser.(VCunits).
DI7:Switchingonthisinputdecreases
thesupplyairtempsetpointwith10K.
Thisfunctionisusedwhenthebuildingis
uninhabitedforalongerperiod.
Note:
The“Home/leave”functionisnotworkingif
Waterheaterisactivated.
Functions
→Digitaloutput
Defrosting
Modbus
Digitaloutput
1:SF67%
2:EF67%
3:Rotormotor
4:AlarmY/N
5:DmpOFF
6:ReheaterY/N
ShowsThecurrentsettingsofdigitaloutputs
1–5(thesettingsinthecolumntotheleftare
examples).
1:SF67%:Currentsetspeedofthe
supplyairfan(shownaspercentageofthe
maximumspeed).
2:EF67%Currentsetspeedofthe
extractairfan(shownaspercentageofthe
maximumspeed).
3:RotorON/OFF:Indicatediftherotor
isactiveornot(VRunits).
3:Notused(VCunits)
4:AlarmY/N:Indicatesifthesum.
alarmisactiveornot
5:DmpOFF:Outdoor/exhaustairdamper
isonoroff(230Vsignalrelay).
6:ReheaterY/N:Indicatesifthe
electricalre-heaterisactiveornot.
Defrosting
Mode0–5
Usethisdialogueframetosethow
aggressiveyouwantthedefrostingfunction
tooperate.
SetVRunits,defrostingmodebetween0–5,
VCunitsbetween1–5.ForVRdefaultis0,
defaultforVCis3.
Functions
Digitaloutput
→Defrosting
Modbus
Allowunbalance
Yes/No
Reducedflow
Active
Bypassdefrosting
Active
Stopdefrosting
Active
OnlyforVCunits.
SetIfyouduringthedefrostingcyclecan
acceptatemporaryunbalanceoftheair
owfromtheunit,i.e.supplyairdecreases.
SelectYESorNO.
Showsifanydefrostingcycleisactive.
Functions
Defrosting
→Modbus
Factoryreset
Modbus
Address:1–247
Baud:9600/19200
Parity:
None/Even/Odd
InformationaboutModbuscommunication
andvariablescanbefoundintheModbus
usermanualforresidentialunitsintheonline
catalogueatwww.systemair.com.
CDControlpanel
ServiceMenu
D2074870
6
SystemairAB

SystemAir CD Control Panel Specifications

General

Brand	SystemAir
Model	CD Control Panel
Category	Control Panel
Language	English