5.5.3TA1400HW
TerminalblockDescriptionRemark
1PE
Ground
2L1
Phase(supplyvoltage)
230V1~
3
----
4
----
5
N
Earthedneutral(supplyvoltage)
6-9
--
Internalconnecting
*10DIrefThermalContactfan
11
--
TC(seriesconnect.withext.Fan)
*12
DI1
ThermalContactfan
Normallyclosed
13L1
Externalfan
14N
ExternalfanSeechapter6.2
15AI1
Sensorsupplyairtemp
PT1000
16
AIrefSensorsupplyairtempreference
*17DIrefExtended/Forcedrunning
*18
DI3
Extended/Forcedrunning
Normallyopen
19
AO1Signalwaterheating0-10VDC
20
GSupplyvoltagevalveactuatorHeating/cooling24VAC
21
G0SupplyvoltagevalveactuatorHeating/cooling
Neutral
22AI3Frostprotectiontemp.sensorPT1000
23
AIref
Frostprotectiontemp.sensor
24
DO3Outdoorairdamper24VAC,0,5A
25
DOrefOutdoorairdamper
26
AO2Cooling0-10VDC
*27DIrefFirealarm(digitalinput)
*28
DI4
Firealarm(digitalinput)
Normallyclosed
29
DOrefAlarmOutput
30
DO4AlarmOutput24VAC,0,5A
31AI2
Sensoroutdoorair
PT1000
32
AIrefSensoroutdoor/extractairtempreference
33AI4
Sensorextractair
PT1000
*Theseinputsmayonlybewiredtopotentialfreeconnectors.
TA450-4500Installationinstructions
132615
16
SystemairSverigeAB