3. Fixed low output = light above button and light on row 30-100%
The greatest advantage can be achieved by choosing the form of operation called 2-
step operation..
Here, the boiler must run at a high output until the temperature is just 3 degrees below
the desired temperature, and then switched down to a low output. The operation will thus
continue on a low output until the temperature is achieved.
If the temperature cannot be maintained with a low output, the boiler will once again
switch to a high output when the temperature has dropped to 6 degrees below the
adjustment value.
2-step operation:
During 2-step operation, the lowest smoke temperature and the highest useful effect are
achieved.
Letters in brackets () see fig. 1.3
Page 7
(K) High Output This is set by means of the 2 push buttons above the 100% symbol.
The lowest button is used to set the number of seconds between each worm conveyor/
auger delivery - this can be set between 5 and 30 seconds. This setting is shown in the
display. (Press in and hold "SEC" and adjust up or down by pressing on + or – on REG
(R).
In the same manner, the uppermost button is used to set the blower's air quantity from 0
to 100, where 100 corresponds to maximum air quantity. The adjustment is shown in the
display.
The firing quantity and the air quantity must be adjusted according to each other.
It is possible to choose how big a "high output" you want to have. High output does not
necessarily need to be the boiler's maximum output, but it must just be greater than the
heat requirement of the house.
Suggestions for adjustment - see, if necessary, section 1.10 - recommended adjustment
of the control.
(L) Low Output This is set by means of the 2 push buttons above the 30-100% symbol.
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