Legend - Siemens RVA47.320 User Manual

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HVAC Products
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Legend

Low voltage side
DB Data bus (LPB)
MB Ground bus (LPB)
A6 PPS (room unit, BMU...)
MD Ground PPS
B9 outside temperature sensor
B10 Cascade flow temperature sensor
B70 Cascade return temperature sensor
M Ground sensors
B3 D.h.w. temperature sensor / control
thermostat
H1 input H1
LPB Local Process Bus
(ALBATROS™-process bus)
PPS Point-to-point interface
(ALBATROS™ peripheral bus)
The connection diagrams show optional components with broken lines.
For application examples with a cascade integrated in systems with alternative heat
generation, refer to Basic Documentation "LPB System Engineering" (document no.
CE1P2379E).
Basic Documentation RVA47.320
Application examples
Mains voltage side
N Neutral conductor (mains connection)
L Live AC 230 V (mains connection)
F1 Line control contact relay Q1/Q3
Q1 Heating circuit pump / primary pump
Q3 D.h.w. charging pump
N1 ALBATROS™controller RVA47.320
BMU Boiler Management Unit (burner control
with additional management functions)
CE1P2379E
15.07.2002