User Manual

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Building Technologies CC1N7491.1en
03.04.2018
Technical data (cont´d)
Connector X1 PELV
Type Siemens AG system-internal connection
cable is supplied together with AGU2.
002,
5 poles, coded
Loads Connected to LMU34 (PELV)
Siemens AG system-internal connection
Function Interface for LMU34
Connector X2 PELV
Type Stocko: MKS1852-6-0-202
2 poles, coded
AGU2.002 connections 7 and 8 inter-
changeable and short-circuit-proof
short-circuit might lead to activation of
special LMU34 functions
Lumberg: 2.5 MSF02(3114)
2 poles
Loads Connected to LMU34 PELV
Siemens AG system-internal connection
Function Interface (OpenTherm) for QAA73
for more detailed information, refer to
OpenTherm specification and Basic Doc-
umentation QAA73 (P2284)
Connector X3 HT mains voltage connection (potential-
free)
Type Molex: 1008-5031
3 poles, coded
Loads AC 230 V
2 A, cosι 0.8 Imax
fusing max. T3.15H250 to IEC 60127
Assignment Function AGU2.002
pin 11: relay NC contact
pin 10: relay NO contact
pin 9: relay COM contact
Function Changeover contact for control of zone
pump / of zone valve
NO contact closed when there is a heat
request from QAA73
NC contact closed when there is no heat
request from QAA73
Caution!
The AGU2.002 has switching circuits operating on protective extra low-voltage
and switching circuits operating on mains voltage.
On the application, ensure that the required isolation will be observed (cabling,
etc.).
AGU2.002
General unit data