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Siemens
QAX30.1, QAX31.1 – Room units with PPS2 interface
CA2N1741en_02
Building Technologies
2015-12-23
Ordering
When ordering, please specify the quantity, product name and type code.
Example:
30
Room units
QAX30.1
Equipment combinations
The room unit is suitable for use in conjunction with all controllers which incorporate a
PPS2 room unit interface (e.g. Desigo RX, Desigo PX).
Mechanical design
The room unit is designed for surface mounting (with knock-outs for cable entry from
the top or bottom) or for mounting on a recessed conduit box with the cables connected
from the rear.
The unit comprises a housing and base unit, connected by releasable snap-fittings.
The base unit accommodates the screw terminals which have an integrated terminal
strip.
The housing accommodates a printed circuit board, room temperature sensor element,
setpoint adjuster, plug-in connectors and a socket for the commissioning and service
tool or service terminal.
Both the housing and base are made of plastic.
Base unit
Housing
80081
80084
Socket for the commissioning
and service tool or service
terminal
80169A
Dial for stepless adjustment of the setpoint
01884
Address plugs inside the housing
Operator controls
and indication
