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Viewing the flame, The shape, The colour – MCZ Omega '05 User Manual

Page 32: Character

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PELLET STOVE

Chapter 4

INSTALLATION AND USE MANUAL

page

31

Operation

Technical Service – Rights reserved MCZ S.p.A. – Reproduction prohibited

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however continue for 20-30 minutes so that all of the heat retained by

the stove will be released into the room.

4.8. VIEWING THE FLAME

In order to obtain good operation from the stove, you need to know

how to "read" the flame. The characteristics that the user needs to pay

attention to are the basically:

The shape

The colour

The character

4.8.1. The shape

In normal combustion, the flame should be tapered and lively, as

wide as the grate that it comes out of and with the tip roughly vertical

or pushed towards the Alutec70 back of the firebox. You should have

the sensation that the flame is pulled upward so that it does not beat

against the glass of the door.

Fig. 1

On the other hand a flame which at its base is bigger than the grate

and has a feeble character, whose tip is not "guided", or which beats

against the glass

(Fig. 2) may be a symptom of poor setting of the fuel

loading and/or smoke aspiration, or the smoke duct is obstructed or

there are high pressure areas that do not allow for regular smoke

outflow.
In this case you will ALWAYS have operating problems. Request

assistance from specialized personnel or ask MCZ technicians for

advice.

4.8.2. The colour

The colour is in some way connected to the shape of the flame. A

colour which varies between orange and yellow with a dark tip usually

goes along with an enlarged flame (as previously described) which

lacks oxygen or in any case indicates improper combustion. As the

colour changes to light yellow-white, the shape of the flame changes,

becoming thinner, showing the presence of a greater quantity of

oxygen.

4.8.3. Character

Lively or feeble, this is closely connected to the shape of the flame.

NORMAL COMBUSTION
Shape:

Tapered, compact, vertical

Character:

Lively

Colour:

Yellow – light yellow - white

ABNORMAL COMBUSTION
Shape:

enlarged irregular not

compact
Character:

Tenuous - feeble

Colour:

Orange - yellow

Figure 2

Figure 1

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