Appendix A.3 Function block list for drinking water heating circuit CO2
F
Function
FS
Sys.
Comment
01 Storage tank sensor
STS1
see page 47
On
Off
2,3
4
On = Storage tank sensor STS1on
Off = Storage tank thermostat, only if CO2 F02-0
02 Storage tank sensor
STS2
see page 47
On
Off
3
2, 4
On = Storage tank sensor STS2 on, if CO2 F01-1
Off = Only STS1
03 Switchover of control for
DW heating
see page 48
Off
3
On = Switchover to the sensor downstream of the
heat exchanger for DW heating (FS2)
04 Circulation pump runs
acc. to time schedule
during storage charging
see page 50
Off
2, 3
On = Depends on time schedule whether CP runs
during drinking water heating
05 Thermal disinfection
see page 50
Off
2, 3
On = Only if CO2 F01-1
Parameter: Day of disinfection
(3)
, storage tank set
point
(70.0 °C)
, start time
(0:00)
, stop time
(4:00)
06 Parallel pump operation
see page 50
Off
2, 3
On = active, only if CO2 F10 Off
for system 2 additional option of control type:
1
: Parallel pump operation with CP and SCP
2: Control of changeover valve and CP
For sys. 2 and option =1 or sys 3 additional para-
meter: Waiting time until HCP Off (
600 s
)
07 Copy vacation and pub-
lic holidays for DWH
see page 40
Off
2, 3,
4, 5
On = Copy vacation and public holidays from
PA-SYS
08 Build-up of charging
temperature via RfS
when heating circuit Off
see page 48
Off
2
On = Only if CO-SYS F01-1
09 Priority of drinking
water heating system
see page 49
Off
4, 5
On = active, selection of the type of control
1
: Reverse control
2: Set-back control
Parameter: Idle time (
300 s
)
66
EB 5431 EN
Function block lists
Summary of Contents for TROVIS 5431
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