Siemens Synco 700 - 10 DHW Heating; Overview of Function Block

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Building Technologies Modular Heating Controller RMH760B CE1P3133en
HVAC Products 10 DHW heating 05.02.2007
10 DHW heating
10.1 Overview of function block
For applications with storage tank (DHW types DHW 0 through DHW 5), the following
function block is available:
V
a
a
a d
aa
d dd
Q
Y
3
P
QQY
3
P
QQ
V
d d
B
d
0...10 V
2
)
B
0...10 V
2
)
1
)
B
1
)
B
V
dd d
B
da
QQ
B
0...10 V
Y
2
)
3
P
Q
dd
1
)
3133W09
Primary
Flow
Return
Flow
Secondary
Tank
close open
close open
Maintain.
temp.
top
bottom
Forced charging
Legionella function relay
Con-
sumer
Circu-
lation
Operating mode
close
open
Flow
DHW
For application with direct DHW heating (DHW 6), the following function block is avail-
able:
V
dd d
B
da
QQ
B
0...10 V
Y
2
)
3
P
Q
dd
1
)
a d
0...10 V
Y
2
)
3
P
a
3133W09
Primary
Return
Flow signal
Flow
close
open
Secondary
Legionella function relay
Con-
sumer
Circu-
lation
Operating mode
close
open
Flow
DHW
TFlSec
TFlPr
PrPu
SecPu
CiPu
VlvCons
VlvPr
TRt
VlvPreHeatSec
TFlCons
ElHtr
3133S80
1 = TStTaTop
2 = TStTaBot
T
1
2
T
TFlPr
Flow temperature sensor, primary
TRt Return temperature sensor
CiPu Circulating pump TStTaBot
Storage tank sensor at the bottom
ElHtr
Electric immersion heater
TStTaTop Storage tank sensor at the top
PrPu Primary pump VlvCons
Consumer mixing valve
SecPu
Secondary pump
VlvPr
Primary mixing valve
TflCons
Flow temperature sensor, consumer
VlvPreHeatSec
Maintained secondary circuit
TFlSec
Flow temperature sensor, secondary
Function block
DHW plant diagram