Bosch 11 KW Manuel d'instructions télécharger pdf (Page 46)

SETTINGS

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At a temperature higher than 20 °C, the same curve value applies as for

20 °C.

>> Highest permitted flow temperature T1

The value that is set in Lowest permitted flow temperature T1.

>> Lowest permitted flow temperature T1

▶ Set the highest and lowest permitted temperature for T1. Ensure that

the value corresponds with the selected curve and possible curve

adjustments.

▶ Check also that the highest temperature T1 with Underfloor does not

exceed the permitted value for the type of floor used.

>> Heat curve

The settings are the same as for Circuit 1.

>> Room sensor (room controller)

The settings are the same as for Circuit 1.

>> Room temperature program

The settings are the same as for Circuit 1, except that Copy to all

heating circuits is not included.

>> Regulator settings

The mixing valve is controlled with PID regulator in order to reach the

flow set point value when there is a need. The signal determines how

much the opening of the mixing valve should change. It is calculated with

short time intervals.

>> Regulator settings

>>> P constant

>>> I constant

>>> D constant

>>> Minimum PID signal

>>> Maximum PID signal

>>> Mixing valve running time

▶ Set the run time that is indicated on the mixing valve and indicate

value in number of minutes.

>>> Mixing valve fully closed

▶ Set how many K ( °C) below the maximum permitted flow temperature

T1 the mixing valve is to be fully closed. The maximum flow

temperature is different depending on the type of heating system

(radiator or underfloor). With an underfloor system, the mixing valve

should be fully closed at 45 °C-2K=43 °C (with factory settings).

>>> Mixing valve start closing

▶ Set how many K ( °C) below the value for fully closed mixing valve the

closure of the mixing valve should begin. The result is 43 °C-2K=41 °C

(with the factory settings for underfloor heating).

The right point of the curve (-35 °C) can be changed in

Minimum outdoor temperature ( Chapter 20.1).

Set value applies for all heat curves.

A change of the right point affects the flow temperature

for all outdoor temperatures that are lower than the set

temperature.

Factory setting 80.0 °C

Lowest value

Highest value 100.0 °C

Table 60 Radiator

Factory setting 45.0 °C

Lowest value

Highest value 45.0 °C

Table 61 Underfloor

Factory setting 10.0 °C

Lowest value 10.0 °C

Highest value 80.0 °C

Table 62 Radiator

Factory setting 10.0 °C

Lowest value 10.0 °C

Highest value 45.0 °C

Table 63 Underfloor

Factory setting 1.0

Lowest value 0.1

Highest value 30.0

Table 64 P constant

Factory setting 300.0

Lowest value 5.0

Highest value 600.0

Table 65 I constant

Factory setting 0.0

Lowest value 0.0

Highest value 10.0

Table 66 D constant

Factory setting 0%

Lowest value 0%

Highest value 100%

Table 67 Minimum PID signal

Factory setting 100%

Lowest value 0%

Highest value 100%

Table 68 Maximum PID signal

Factory setting 300s / 05:00

Table 69 Mixing valve running time

If there is no time indication on the mixing valve, run it

manually ( Chapter 20.7) and measure how long it

takes to go from fully closed to a fully open mixing valve

(the mixing valve stops sounding and the endposition

switch switches off).

Factory setting 2.0K

Lowest value 1.0K

Highest value 10.0K

Table 70 Mixing valve fully closed

Factory setting 2.0K

Lowest value 1.0K

Highest value 10.0K

Table 71 Start closing mixing valve

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 71 72

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Bosch 11 KW Manuel d'instructions Page 46

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