KyungDong KDB-181KCA Installation Manual page 42

k c a - 영 문
The boiler has a function that permit to the pump to run, after each burner switch-off for
Domestic Hot Water Production, for certain period of time (from 0 to 30 seconds) in order to
have no risk of lockout for overheating of the heat exchanger.
This value(normally adjusted in the factory around 15 seconds) is adjustable as follows.
• Press the
and the left
• Press the
, button in the left side up to the number 3 appears in the left digit.
A number included between 0 to 99 appears in the right digits.
• Press...
, in the right side in order to arrange the overrun period time up to the value
desired.
The number included between 0 to 99, appearing in the right digits, represent the
percentage of 30 sec. adjusted.
Adjustment of Anti Fast Cycling Function - AFCT
The boiler has a function that permit to wait, after each burner switch off for heating demand,
for certain period of time (from 0 to 600 seconds) in order to reduce noises for too much
frequent burner switch on.
This value (normally adjusted in the factory around 300 seconds) is adjustable as follows:
• Press the
and the left
• Press the
, button in the left side up to the number 2 appears in the left digit.
A number included between 0 to 99 appears in the right digits
• Press...
, in the right side in order to arrange the AFCF up to the value desired.
The number included between 0 to 99, appearing in the right digits, represent the
percentage of 600 sec. adjusted.
Adjustment of Heating Temperature Range
The boiler has a function that permit to change the heating temperature range from 40 ~
80℃ (standard setting for radiator heating system) to 30 ~ 50℃ (standard setting for floor
heating system).
40 ~ 80℃ range is represented by the parameter 0.
30 ~ 50℃ range is represented by the parameter 1.
This setting (normally adjusted in the factory in the range 40 ~ 80℃) is adjustable as follow ;
• Press the
and the left
• Press the
,
number 0 appears in the right digits.
• press
, in the right side in order to change the parameter from 0 to 1 (or the
opposite) moving from one temperature range to the other.
Adjustment of DHW Pump Overrun
button for at least 10 sec up the digits start to blink
button and for at lest 10 sec up the digits start to blink
button and for at least 10 sec up the digits start to blink.
button in the left side up to the number 4 appears in the left digit. A
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