User Manual

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Siemens HVAC central apartment unit with consumption data acquisition QAX903 CE1N2741en
Building Technologies 2016-01-30
The QAX903 central apartment unit can be used together with the following hard-
wired products from the Siemens Synco 700 system:
Device designation
Type
Documentation *)
Synco 700 control units
RM..
S3110en
Central communication unit
OZW771
N3117en
Service tool
OCI700.1
N5655en
Service interface for USB / KNX OCI702 A6V10438951
See also the product range overview "Acvatix valves and actuators 0-92205-en".
*) The documents can be downloaded from
http://siemens.com/bt/download.
Additional KNX TP units can be integrated via S-mode (refer to document
CE1Y3110en).
Device designation
Type
Documentation
Interface for cooling units (split units)
IRSC
ZENNiO
Ordering
Please specify the quantity, product name, and type when ordering.
QAX903-9: Featuring multi-lingual mounting instructions and the necessary
installation materials. The following languages can be set on the QAX903-9:
Bulgarian, Danish, German, English, Finnish, French, Greek, Italian, Croatian,
Dutch, Norwegian, Polish, Portuguese, Romanian, Russian, Swedish, Serbian,
Slovakian, Slovenian, Spanish, Czech, Turkish, and Hungarian.
The instructions/guides can be downloaded from the Internet in the various
languages at
www.siemens.com/syncoliving-td.
Type Stock number Designation
S55621-H125 Central apartment unit with mounting instructions
Functions
The central apartment unit manages heating, cooling and ventilation control of an
apartment with up to 12 rooms.
In addition, it allows for controlling air conditioning units (split units).
You can record consumption, together with the consumption data interface WRI982,
for heating/refrigeration, hot and chilled water, electricity and natural gas, display it
on the QAX903 central apartment unit, and forward it via the OZW772 web server
to a service provider.
The central apartment unit also serves as an operator and display unit for the
apartment.
Scope of delivery
Order numbers
Primary functions