Basic Documentation
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Siemens Modular Heating Controller RMH760B CE1P3133en
Building Technologies 17 Appendix 2017-09-29
Plant type H2-5
a a a a d da
Q Q
x x
1
2
x x
3
4
0...1 0 V
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d
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R1
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RM
H760
N .X5
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N. X6
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N.X4
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N.X3
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N.X2
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N.X1
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A7.X3
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A7. X4
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A7 .X2
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A7.X1
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RMZ789 (2)
A9.X6
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A9 .X5
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A9. X3
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A9 .X4
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A9 .X2
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A9. X1
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RMZ789 (1)
( )
A2.X3
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A2 .X2
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A2.X1
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A2.X3
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A2 .X2
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A2.X1
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A 3.X3
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A3.X4
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A3. X2
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A 3.X1
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RMZ782 (2) RMZ783 RMZ787
A9 .X6
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A9.X5
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A9. X3
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A9 .X4
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A9.Y2
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A9.Q4
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A9. Q1
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A9.Y1
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A9.Y2
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3
P
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Q
A2. Q3
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.
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3
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A2. Q2
Q
A2. Q3
Q
N1 N2
A2. Y1
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3
P
A3.Q2
Q
A3. Q3
Q
A3.Q5
Q
N1 N2
A3.Y1
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3
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A3.Q4
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RM
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Q1
Q
A2.Q1
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A3. Q1
Q
1 2 21
x x x x
A B
3
x
Q
d
C
1 2 21
x x x x
A
B
3
x
Q
d
C
1 2 21
x x x x
A B
3
x
Q
d
C
1 2 21
x x x x
A
B
3
x
Q
d
C
Q
a
a
d
A - B
Q
a a
d
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x x xxx x x
...
...
X
1
2
3
4
X X X
.
Flow
Return
Room
Room rel.
Timer
Room abs.
Operating mode
clo se
open
Relay 1
Relay 2
Heating circuit 1
H
C-
pump
Fault button
Heating limit
Heating
Heat demand
Operating mode
Outside
Flow
Return
Room
Room rel.
Room abs.
Operating mode
Timer
open
clo se
H
C
-
pump
Heating limit
Operating mode
Flow
Return
Room
Room rel.
Room abs.
Outside
Operating mode
Timer
clo se
open
Heating limit
Operating mode
H
C
-
pump
He
ati
ng
cir
cuit
3
He
ati
ng
cir
cuit
2
Heat requis.
Fr o st
Flow
Return
clo se
open
Main
pump
Disp la y 1
Disp la y 8
Win d
Solar
Outside
Legionella
function relay
P rimary
Flo w
Return
Flo w
Secondary
Con-
s
umer
Circ u-
l
atio
n
Tank
Operating mode
clo se
open
clo se
open
clo se
open
Maintain.
temp.
Flue gas
R
e
l
e
a
s
e
Flue gas m ode
.
Burner
Boiler
Return
Burner
Shutoff valve
Boilerp.
Bypassp.
(Water shortage) 1
(Overpressure) 2
(Underpressure) 3
Pump funct:
Boile r
Modul ati ngStage
clo se
open
Setpoint comp.
clo se
open
MBRT
Flow
Return
Heating
Fr o st
Primar y controller
H
e
a
t
r
e
q
u
i
s
.
System
pump
clo se
open
top
bottom
Flo w
Forced charging
4 Extension modules
1)
6 Singl
e or t
win pum
ps
2) 6 Control outputs (DC 0...10 V or 3-positioning)
3-Posi tioning ou tput i n pairs Q1/Q2, Q3/Q4
Configuration Diagram
RMH760B
Maximum configuration:
Plant type
Mis cellane ous
Main
c ontr oller
Faults
Counter
DH
W
Primary
Return
Flow signal
Flow
clo se
open
Secondary
= from
= to
3133W01_H_en_a
Comparator 2
Comparator 1
Logi c 1
Logi k 2
Logi k 3
Logi k 4
Trend
H2-5