Megatherm wood-pellet burner
MPB 90 Pro
18. SENSOR TYPE
In this parameter the installer can choose between KTY ant PT 1000 temperature sensors.
KTY is the default sensor which is used for measuring temperatures up to 100
o
C.
The PT 1000 sensor is given by the manufacturer under request and it is used to
measure temperature higher than 100
o
C (industrial applications).
19. EXTERNAL CONTROL (Industrial application)
This parameter, it is activated only for industrial aplication
If external control No
(Manufacturer's settings)
:
1. When thermostat is ON, the burner works at the maximum power it is set.
2. When thermostat is OFF, the burner burns off
This is mostly suggested for low consumption houses (less than 3.000kg/year) or for
connecting with timer.
If external control Yes
(Manufacturer's settings)
:
1. When thermostat is ON, the burner works at the maximum power it is set.
2. When thermostat is OFF, the burner goes at maintain mode and keeps a small fire.
In both cases, when the thermostat is OFF, the CH pump stops.
Manufacturer Advise:
Can not be given any advise, since It is depended on the
application the burner has been installed
20. TEMPERATURE CALIBRATION
In this menu the manufacturer calibrates the temperature sensors. It is possible to add a
regular offset for the temperature of the furnace and the warm useful water. The parameter
is set in the bracket of -10 to +10°C.
10. Room thermostat
The room thermostat (or a timer) can be connected on the connector which is at the back
of the controller, by replacing the “bridge (or on the PINs 1&2 in the controller).
It is forbidden to give voltage to this connection. The connection with the room thermostat
must be only a “Cold junction”
When a room thermostat is connected in the controller, we have the two following options:
If external control No
(Manufacturer's settings)
:
18