5.5Electricalconnections
5.5.1TA450-1400EL
TerminalblockDescriptionRemark
1PE
Ground
2N
Earthedneutral(supplyvoltage)
Notusedwhen230V3~
3L1
Phase(supplyvoltage)
230V1~
4L2
Phase(supplyvoltage)
-
5
L3
Phase(supplyvoltage)
-
400V3~/
230V3~
6-8Internalconnecting
*9
DI1
ThermalContactfan
Normallyclosed
10
TC(seriesconnect.withext.Fan)
*11DIrefThermalContactfan
12L1
Externalfan
13N
ExternalfanSeechapter6.2
14230VFanspeed
15180VFanspeed
16160VFanspeed
17130VFanspeed
18AI1
Sensorsupplyairtemp
PT1000
19
AIrefSensorsupplyairtempreference
*20DIrefExtended/Forcedrunning
*21
DI3
Extended/Forcedrunning
Normallyopen
22
DOrefOutdoorairdamper
23
DO3Outdoorairdamper24VAC,0,5A
24
GSupplyvoltagevalveactuator,Cooling24VAC
25
G0Supplyvoltagevalveactuator,Cooling
Neutral
*26DIrefFirealarm(digitalinput)
*27
DI4
Firealarm(digitalinput)
Normallyclosed
28
DOrefAlarmOutput
29
DO4AlarmOutput24VAC,0,5A
30
AO2Cooling0-10VDC
31AI4
Sensoroutdoorairtemp
PT1000
32
AIrefSensoroutdoor/extractairtempreference
33AI2
Sensorextractair
PT1000
*Theseinputsmayonlybewiredtopotentialfreeconnectors.
TA450-4500Installationinstructions
132615
14
SystemairSverigeAB
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