Bedienungsanleitung Siemens RMK770 (Seite 12 von 14) (Englisch)

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Siemens Operating Instructions RMH760B, RMK770 CE1B3133_en

Building Technologies Info page boiler sequence 2015-03-31

Info page boiler sequence

(Only with RMK770)

To go to the

Info page:

1. Return to the start page by pressing the ESC button.

2. Press the INFO button.

3. Turn the OK knob until the required page appears.

The state of the boiler sequence is displayed as follows:

Boiler sequence

Addr no 1 2 3 4 5 6

Release: –

Burner: 1 – 1 m 2 1

Faults:

Boiler address number

The boilers are numbered (max. 6). The lead boiler is highlight-

ed.

Release

= boiler released; it is switched on / off depending on

the demand for heat from plant

–

= boiler locked

Burner

= burner or first burner stage on

= second burner stage on

= burner modulates

–

= burner off

Faults

Boiler faults are indicated by the symbol. For general infor-

mation about faults, refer to page 11.

Info pages boiler sequence manager

(Only with RMK770)

To go to the

Info page:

1. Return to the start page by pressing the ESC button.

2. Press the INFO button.

3. Turn the OK knob until the required page appears.

State

On = heat generation on

Off = heat generation off

Cause

Here, the reason for the state of heat generation is

given. It should be considered that the boiler sequence

may be deactivated while the main pump is still running,

e.g. due to frost protection or overtemperature protec-

tion.

Main flow temperature

· Actual value below the setpoint:

If the actual boiler temperature is lower than the setpoint for a

longer period of time, additional boilers will be released. The

time of release depends especially on the differential of these

2 values.

· Actual value above the setpoint:

If the actual value remains above the setpoint for a longer pe-

riod of time, released boilers will be locked.

Return temperature

This is the temperature of the water returning to the boiler from

the consumers (heating circuit, DHW circuit).

Info pages boiler / primary controller / main controller

To go to the

Info pages:

1. Return to the start page by pressing the ESC button.

2. Press the INFO button.

3. Turn the OK knob until the required page appears.

Boilers 1…6

(1…6: Several boilers only with RMK770)

For each boiler installed, the display shows:

· The actual value of the boiler temperature

This is the current boiler temperature

· The boiler temperature setpoint

This is the boiler temperature called for by the plant.

· State:

Enabled = heat generation released

Off = heat generation locked

· Cause:

Here, the reason for the boiler’s state is given (e.g.

protective boiler startup is active).

Primary controller or main controller

(Main controller only with RMH760B)

· Actual value of the flow temperature:

This is the current temperature delivered by the heat ex-

changer / heat source

· Flow temperature setpoint:

This is the temperature called for by the plant

· State:

On = heat generation on

Off = heat generation off

· Cause:

Here, the reason for the controller’s state is given (e.g. the

frost protection function is active).

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