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DMAN802000093-Manual MB250 Hydro Wood-Pellet STD11
System with
Thermocouple Exhaust temp. >
Th07
thermostat
goes in Modulation
Water temp.>
Boiler Thermostat
or
A32
=1 and the system is a time off of internal chrono or
Room temp.>
Room Thermostat
and
A01
=1* or
Room temp.>
Remote Room Thermostat
and
A52
=1 *
T22
Room temp.>
Room Thermostat
and
A01
=2, 4, 5, 7* or
A32
=2,4 and the system in a time off of internal chrono or
P26
=4, 8, 10 and buffer temp.>
Buffer Thermostat**
or
P26
=2, 3, 11 and Summer mode and buffer temp.>
DHW
Thermostat
or
P26= 11 and Winter Mode and buffer temperature>
Buffer
Thermostat**
and DHW buffer temperature
>DHW
Thermostat
or
P26
= 0, 1 and
A45
=1 and there is not DHW demand and
Summer mode or
room
temp.>
Remote
Room
Thermostat
and
A52
=2,4,5,7 *
goes in Standby at the
end of
T22
timer
* This condition is true if there isn’t a sanitary water demand, or if is set a plumbing plant with buffer
** If the Bottom Buffer Probe is present, the buffer charge ends when both the Buffer Thermostats,
Th58
and
Th85
, are satisfied. Charging resumes if buffer
temperature < (Buffer Thermostat
Th58
-
Ih58
-1)
Modulation
Timer
Control Thermostats
Combustion
Heating
Resistance
Fan
Auger
T14
P71
≠4 and
P74
,
P75
,
P76
≠18
Se When combustion has reached final power, if:
exhaust temp.<
Th03
thermostat or
exhaust temp.<
Extinguishing Thermostat
for the used power
T14
timer of
pre-extinguishing
starts
U11
C11
OFF
at the end of
T14
timer if exhaust temp. is low
goes
in
Extinguishing with
alarm Er03
P71
=4 or
P74
,
P75
,
P76
=18
Light flame < Thermostat
L00
starts
T14
at the end of
T14
timer if light flame < Thermostat
L00
goes
in
Extinguishing with
alarm Er03
System
with
Thermocouple
Exhaust temp. >
Th08
thermostat
goes in Safety
water temp.>
Th25
thermostat
