MCBA PARAMETERS FOR THE SPECIALIST
Factory setting
STEP
Display
Description of the parameters
HM 25 TC
HM 35 TC
HM 70 TC
HM 85 TC
Burner trigger hysteresis (domestic hot water).
DHW detection hysteresis on.
DHW detection hysteresis off.
Central heating block time (sec x 10.2).
Domestic hot water block time (sec x 10.2).
DHW CH locking time [sec. x 10.2].
Max. operating time in DHW mode [min.]
00
: High temperature circuit - circulator controlled by
room thermostat - DHW priority active.
50
: Controlled circuit [outdoor sensor and AM3-11
module] - circulator controlled by the room
thermostat - DHW priority inactive.
DHW production type:
This parameter cannot be modified in any way on
a HeatMaster®
Manual fan speed (test)
1
st
position: special pump [0 = disabled]
2
nd
position: minimum disable cycle [0 = disabled]
Pre-spark [sec.]
Extra pre-sweep [sec.]
Post-ventilation [sec.]
Fan speed during post-ventilation [rpm x 100]
Opening time of the 2
nd
CH circuit valve [sec. x 15]
Factor
"I"
of the 2
nd
CH circuit
Fan factor
"I"
(raise)
Fan factor
"I"
(lower)
Max. T5 temperature limit [C°].
Max. T6 temperature limit [C°]
Maximum dT1/dt [x 0.1 °C/sec.]
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664Y5300 • A
E
N
FR
R
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L
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ES
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