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Siemens Building Technologies Electronic Air / Fuel Ratio Control System CC1P7873.1en
HVAC Products 2 Front view and basic design 15.10.2002
2 Front view and basic design
RVW 26
1
%
2
RVW 26
RZD2 0
1
2
78731u01/0601
Unit front with front plate removed
Fig. 1 Font view and basic design of the RVW26...
All units of the RVW2... range are of plug-in design and used with the following types of
housings: ARG61.040 or ARG61.010.
A socket for connecting the handheld terminal AZW20.20 is located behind the alumin-
ium front plate.
The front plate can be sealed.
Abbreviations and designations used in this document
A End switch «Fully open»
(used with actuators)
LR Load controller
Aux Auxiliary function P Potentiometer (used with actuators)
FA Burner control SA Actuator
FU Variable speed drive TG Tacho-generator
Load Burner output Z End switch «Fully closed»
(used with actuators)