Siemens CE1U2353en01a Domestic hot water, Setpoints, Release, 24h/day, Time programs HCs

Page 16

An adjustment of the integral action time changes the valve’s rate of response. The longer the integral action time Tn, the slower the response of the controlled system.

y

1 Xp

Tn

x

@

2.3 Domestic hot water

Setpoints

Line no.

Operating line

1614

Nominal setpoint max

2392Z08

t

t

This operating line is used to limit the “Nominal setpoint“ (operating line 1610) at the top.

Release

Line no.

Operating line

1620

Release

 

24h/day

 

Time programs HCs

 

Time program 4 / DHW

24h/day

The DHW temperature is constantly maintained at the nominal DHW setpoint, independent of any time programs.

Example:

 

 

 

 

 

 

 

 

 

 

 

2371Z18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

6

12

18

24 h

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Time programs HCs

The DHW setpoint is switched between the nominal DHW setpoint and the reduced DHW setpoint according to the heating circuits’ time programs. The first switch-on point of each period is shifted forward in time by one hour.

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Siemens Schweiz AG

User Manual OEM

CE1U2353en01a

HVAC Products

The settings in detail

22. November 2006

Page 15 Page 17
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Page 15 Page 17
Contents Zone controler Edition 1.0 Controller series a CE1U2353en01a 22. NovemberSiemens Schweiz AG CE1U2353en01a Hvac Products Table of contents Overview of OEM settings 135 Service unit 138 Delete all devicesTime prog heating circuit 500 Preselection Mo Su Time prog heating circuit 520 Preselection Mo SuHolidays heating circuit 641 Preselection Periode Holidays heating circuit 651 Preselection PeriodeHolidays heating circuit P 661 Preselection Periode 730 Summer/winter heating limit900 Optg mode changeover Protection 851 Floor curing setp manually 861 Excess heat draw Always872 With prim contr/system pump Yes 1030 Summer/winter heating limit1200 Optg mode changeover Protection Heating circuit P 1300 Operating mode Automatic1500 Optg mode changeover Protection 1172 With prim contr/system pump Yes1640 Legionella function Fixed weekday 1644 Legionella funct time360 Min 1647 Legionella funct circ pump 1660 Release of the circulating pump DHW release5024 Switching diff 5030 Charging time limitation 150 5060 Electric immersion heateroperating mode SubstituteConfiguration 5710 Heating circuit 600 Min 5040 Discharging protection AutomaticOptg mode change HCs+DHW6020 Function extension module No function 6021 Function extension module No function6205 Reset to default parameters 6605 Bus power supply state6612 Alarm delay System 6640 Clock mode Autonomous Maintenance/service 7140 Manual control Off 7846 Contact state H2 Open8731 Heat circ mix valve op Y1 8732 Heat circ mix valve cl Y28761 Heat circ mix valve op Y5 8762 Heat circ mix valve cl Y6Operator section Settings in detailHeating circuits Domestic hot water SetpointsRelease 24h/dayPump H1/H2 Primary controller / system pump80 90 100 C DHW storage tank Charging time limitation 5030 Charging time limitationDischarging protection 5040 Discharging protectionConfiguration 6222 Device hours run ParametersRange of action of changeover Error Diagnostics consumers6820 Reset history Room temperature 1 / 2 / P modelReset IndexProof of change Subject to alteration
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