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4
Dur. storage tank char-
ging circul. pump runs
acc. to time program
5
Thermal
Disinfection
6
Parallel pump
operation
7
Public holiday and
vacation data valid
also for heating up of
drinking water
8
Charging temperature
buildup via return flow
sensor when heating
loop OFF
9
Reverse control
Function block list for general configuration (CO SYS)
FB Function
1
Return flow primary
2
Sensor selection
3
Autom. clock reset,
summer-/wintertime
4
Manual level locking
5
Selection control
6
Limiting the
control deviation for
the OPEN signal
FB Function
7
Release contin. signal
38
OFF
2,3
OFF
2,3
ON: Only when CO2 FB1=ON
OFF
2,3
OFF 2,3,4
ON
2
Only when CO SYS FB 1 = ON
OFF
4
ON:
SZ
WE
Anl
n
ON 1,2,3,4 Parameter: 0.1...10.0 (1.0)
OFF 1,2,3,4 ON: Pt 1000 sensor
ON 1,2,3,4
n
OFF 1,2,3,4 Manual operation disabled
ON 1,2,3,4 ON: three-step control
OFF 1,2,3,4 ON: only when CO SYS FB5 ON
SZ
WE
Anl
n
OFF 1,2,3,4
ON: depending on time program
parameter: 0...7 (3) day of disinfection (0 = daily)
Selection only for system 2:
1 = parallel pump operation with UP + SLP
2 = trigger changeover valve and UP
parameter: cycle time 60...600 s (300 s)
Remarks
factor return flow temperature limiting
OFF: PTC sensor
Parameter: Kp = 0.1...50.0 (2.0)
Tn = 0...999 (120) s
Ty = 15...240 s (120) s
OFF: on-off control
Parameter: differential gap = 1...50 °C (5 °C)
min. operating time = 0...600 s (120 s)
min. non-operatnl. time = 0...600 s (120 s)
Parameter: 2...10 °C (2 °C) max. control deviation
Remarks
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