Siemens RVL479 Instructions D'installation page 27

Settings on the "Heating engineer's" level
Press and simultaneously for 3 seconds, thus activating the "Heating engineer's" level
for displaying the plant type and for setting the plant-related variables.
Plant type
Operating line 51 displays the ready selected plant type 1. All required functions are activated
and the associated operating lines will show up:
51 Plant type
Plant type 1 – Heating circuit control with mixing group
BUS (LPB)
B9
Y1
B7
A6 Room unit
B1 Flow temperature sensor
B5 Room temperature sensor
B7 Return temperature sensor
B71 Return temperature sensor
B9 Outside sensor
Building Technologies
Display function
N1
A6/B5
M1 B1
E2
E2 Load (space)
LPB Data bus (Local Process Bus)
M1 Heating circuit pump
N1 Controller RVL479
Y1 Actuator for heating circuit
74 319 0620 0 a
the data bus
120 = flow alarm
140 = wrong controller address
(LPB)
142 = no partner unit on the
data bus (LPB)
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