SystemAir SAVE VTR 300/B - External Connections on the Unit

PositionDescription
4Mainssupplyconnectionbetweenmainprintcardandelectricalre-heaterprintcard
5
TerminalsforAI1–5(tempsensors)andmotorcontrol
6
Terminalsforexternalconnections
7
Terminalsformainssupplyconnections
8
Terminalsfordigitalinputs(DI1–7)
9
Terminalsforinternalcontrolpanel.
10
Terminalsforregulatedpowersupplytoelectricalre-heater
11
Modbusconnection.See"UsermanualModbus"fordetails.
6.9.2Externalconnectionsontheprintcard
Connectionterminalsforexternalequipmentcanbefoundonthemainprintcardinsidetheelectrical
connectionbox.
Fig.10Externalconnectionsontheprintcard
PositionDescriptionRemark
1
Outdoor/exhaustairdamper
Normallyopen,230V1~,max1A
2
Outdoor/exhaustairdamperReference
3
Outdoor/exhaustairdamper
Normallyclosed,230V1~,max1A
4
Sumalarm
Normallyopen,24V,max1A
5
SumalarmReference
6
Sumalarm
Normallyclosed,24V,max1A
7
GNDReference
8
Watercoolercontrolsignal(AO1)0–10VDC
9
GNDReference
10
Waterheatercontrolsignal(AO2)0–10VDC
11
GNDReference
12
Damper(AO3)
Notused
6.10Externalconnectionsontheunit
Twooftheconnectionsonthemainprintcardarewiredtoplugsontheunitcasing:
•connectiontoanexternalcontrolpanelthroughamodularconnector.
Maximumcablelength:50m.
Cabletype:Flat4–conductorCECPhonecable,orequivalent.
SAVEVTR300/BInstallationandService
208348
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SystemairAB