Siemens Synco 700 Series - Page 21

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Building Technologies Boiler sequence controller RMK770 CE1P3132en
HVAC Products 3 Commissioning 23.04.2009
Depending on the type of plant, it may be practical to use a second RMK770 controller
with the third boiler. On that second RMK770, select basic type K and – in the extra
configuration – assign boiler 3 the plant components boiler temperature sensor, burner
stage 1, boiler pump and shutoff valve.
T
3132S44
CE-
Q11
D1X8
Q24
Q23
G0M
M
Y1G1
G
G1
X6
M
X5
MMM
X3X2
M
X4
M
Q33
Q34
Q41
Q44
Q53
Q54
Q63
Q64
Q14
CE+ X1 G1
Q12
Q42
Q73
Q74
Y2 G0
X7
D2MM
G1 G0G1
RMK770(2)
Also, on the first RMK770, the “Number of boilers“ must be set to 3, thus informing the
boiler sequence manager that a third boiler must be controlled via bus.
Main menu > Commissioning > Settings > …. or
Main menu > Settings > Boiler sequence manager
Operating line Range Factory setting
Number of boilers 1…6 2
T
T
T
T
3132S45
CE-
Q11
D1X8
Q24
Q23
G0M
M
Y1G1
G
G1
X6
M
X5
MMM
X3X2
M
X4
M
Q33
Q34
Q41
Q44
Q53
Q54
Q63
Q64Q14
CE+ X1 G1
Q12 Q42
Q73
Q74
Y2 G0
X7
D2MM
G1 G0G1
RMK770
T
CE-
Q11
D1X8
Q24
Q23
G0M
M
Y1G1
G
G1
X6
M
X5
MMM
X3X2
M
X4
M
Q33
Q34
Q41
Q44
Q53
Q54
Q63
Q64Q14
CE+ X1 G1
Q12 Q42
Q73
Q74
Y2 G0
X7
D2MM
G1 G0G1
RMK770
Variant with a
second RMK770