Siemens RVA53.280 - Legend to Plant Types; Electrical Connections

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Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E
Landis & Staefa Division 19.04.2001
5.3 Legend to plant types
A6 PPS (room unit 1, BMU)
A7 Room unit bus HC2 (PPS)
B1 Flow sensor mixing valve HC1
B2 Boiler sensor
B3 D.h.w. sensor 1 / control thermostat
B31/H2 D.h.w. sensor 2 / contact H2
B8 Flue gas sensor
B9 Outside sensor
B12 Flow sensor mixing valve HC2
DB Data bus (LPB)
H1 Changeover contact
MB Ground bus (LPB)
MD Ground room unit bus (PPS)
M Ground sensors
F1 Phase Q3/Y3
F2 Phase Y1 and Y2
F3 Phases Y5 and Y6
F4 Phase burner stage 1
F5 Phase burner stage 2
F6 Phases Q2 and Q6
K4 Burner stage 1
K5 Burner stage 2
L Live AC 230 V (mains connection)
N Neutral (mains connection)
Q2 Circulating pump mixing heating circuit 1
Q3/Y3 D.h.w. charging pump / d.h.w. diverting valve
Q6 Circulating pump mixing heating circuit 2
Y1 Mixing valve HC1 OPEN
Y2 Mixing valve HC1 CLOSED
Y5 Mixing valve HC2 OPEN
Y6 Mixing valve HC2 CLOSED
5.4 Electrical connections
M
L
N
F1
N1
MD A6
A6
Q3
Y3
BM
B3
B3
BM
B2
B9
BM
B9
L
N
MB
DB
PPS
LPB
K5 K4F5 F4
2374A02
MH1
BM
H1
B1
BM
B1
BM
B31
B12
B
B12
F3
Y6 Y5
N
Y5
BM
B8
MD
M PPS
A7
M
B2
M
B31B8M
A7
Q6 Q2
F6
Y6
F2
Y2 Y1
N
Y1Y2
Low voltage side
Mains voltage side