Manual Siemens Climatix 2 (page 30 of 77) (English)

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INSTRUCTION MANUAL OF THE SIEMENS CLIMATIX 2 CONTROL EQUIPMENT

6.2. REDUCE

Reduce is the economical boiler operation when only the minimal amount of fuel is fed into the

furnace and the cycles are Feeding time during reduce and Delay time during reduce. This

prevents the boiler from dying out and prevents the fuel in the storage tank from backfire. The fan

operation is reduced only at the time when the feeder is on.

There are two ways to put the boiler into reduce operation:

A) Reduce from temperature - if the instantaneous value of Boiler temperature exceeds the

Actual required temperature by the value of the temperature hysteresis set

in Hysteresis OFF boiler (see chap. 5.10.).

B) External reduce - if the room thermostat or the external input is undone. This does not happen if

the function Ignition – YES, Emptying – YES is activated in the configuration

(see chap. 7.1.).

The parameter setting of Feeding time during reduce is ranging from 2 – 15 s; the default value

is 5 s.

The instructions for changing this parameter can be found in chapter 4.

The parameter setting of Delay time during reduce is ranging from 1 – 60 min; the default value

is 5 min, which is the recommended value if wood pellets are used. If brown coal is used, it is

recommended to change this value to 30 min.

The instructions for changing this parameter can be found in chapter 4.

The fan speed at the feeding time during reduce is set in Fan power.

The parameter setting of Fan power is ranging from 20 – 100 %; the default value is 40 %.

The instructions for changing this parameter can be found in chapter 4.

Turning off of the fan after the feeding time during reduce is delayed and it is set in Fan overrun

time.

The parameter setting of Fan overrun time is ranging from 0 – 300 sec; the default value is 30

sec.

The instructions for changing this parameter can be found in chapter 4.

6.2.1. FLAME CONTROL

This function controls the furnace (flame) according to the difference between B8 Flue gas

temperature and B2 Boiler temperature. The furnace is controlled primarily during these

operation states of the boiler:

 reduce during configuration Ignition – YES

 reduce during configuration Ignition – NO

 operation during configuration Ignition – NO

After entering the service password (see chap. 5.24.) it is possible to set these parameters:

The Minimum flue gas temperature means that if the temperature is lower than this limit, the

boiler is put out of operation and the error mode “Low flue gas temperature B8” is activated.

salve
chiedo se è possibile fare un by pass per far partire il sistema di condizionamento a causa dell'oscuramento :del controllore POL/STD
grazie
Submitted on 11-3-2022 at 12:44
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Siemens Climatix 2 Manual

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