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FLAME DETECTION TRESHOLD 

In this parameter the manufacturer sets the flame's detection threshold. Beneath the pre-set 
threshold's value, the burner detects the vanishing of the flame. The parameter  is set in the 
bracket of 5 to 90%. 

Manufacturer Advice:  

10% 

 

 

FURNACE PROTECTION (OVERHEAT) 

In this parameter, the user sets the furnace's temperature which protects from the overheating. 
The protection is activated when a higher temperature than the one that was previously set is 
reached and when the CH pump is turned off. The driver starts the CH pump automatically and 
switches off the burner. The protection of the furnace from the overheating is set in the bracket 
of  60 to 90 ºC. The furnace's protection can be activated when: 

 

working of room thermostat and simultaneously surpassing the protection temperature 
of the furnace,   

 

setting 

”Summer” 

function and simultaneously surpassing the protection temperature 

of the furnace, 

 

setting the 

”STOP”

 mode and simultaneously surpassing the protection temperature of 

the furnace, 

 

surpassing the temperature of the heating water over 90ºC. 
 

Manufacturer Advice:  

80-90ºC 

 

 

STB TEMPERATURE 

It is the temperature where the Overheating Alarm is activated. At the same time the controller 
activates the CH pump and the WUW pump. For water boiler the default value is 90

o

C. 

If  sensor  type  PT  is  chosen  then,  the  value  of  this  parameter  can  change  depending  the 
application. 

 

 

IGNITION STABILIZATION 

When ignition has occurred, the air-fan works for the time, which has been set by this parameter. 
This operation drives the ignition gases out of the boiler faster. 

Manufacturer Advice:  

60-120sec

 

 

 

MAXIMUM BURNER POWER 

In this parameter the installer can set the maximum burner power, where the user can set by 
visiting the burner's menu. This prevents the user to set the burner at a maximum power, than 
the one it is required by the system. 
Manufacturer Advice:

  

50kW for MPB 50 and 80kW for MPB 80 

 

Summary of Contents for MPB 50

Page 1: ...PELLET BURNER MPB 50 80 INSTALLATION AND SERVICE MANUAL VERSION 1 1 UPDATE 10 12 2015 ...

Page 2: ... TIME 12 FAN POWER IGNITION 12 PELLETS DOSE IGNITION 13 FEEDER PERFORMANCE 13 PELLETS FEEDING PERIOD 13 OVERFLOW PELLETS AIR WORK 13 OVERFLOW PELLETS AIR MAINTAIN 13 FLAME DETECTION TRESHOLD 14 FURNACE PROTECTION OVERHEAT 14 STB TEMPERATURE 14 IGNITION STABILIZATION 14 MAXIMUM BURNER POWER 14 MINIMUM BURNER POWER 15 MINIMUM FURNACE TEMPERATURE 15 SENSOR TYPE 15 EXTERNAL CONTROL room thermostat 15 ...

Page 3: ...s should be alerted to the hazards of high surface temperatures and should stay away to avoid contact to skinand or clothing Always follow the instructions for operations and service There is a risk of burn from touching the equipment during operation The burner casing burner body flange and flame trap pipe are hot surfaces during operation Keep children away and do not touch the equipment during ...

Page 4: ...1kW 10o C before the furnace reaches the HEATING WATER TEMPERATURE When the temperature of the furnace is 510o C before HEATING WATER TEMPERATURE the burner reduces its power again 1 3 for example from 21kW to 12kW After reaching a particular temperature of the heating water the driver goes into the mode of sustaining the temperature or switches the burner completely off The ignition of fuel start...

Page 5: ...st be enough space for the ash to accumulate The exhaust gas channels should not be so narrow that they can easily be clogged with ash The distance between the front edge of the burner and the rear part of the combustion chamber should be at least 350mm for the MPB 50 and500mm for the MPB 80 burner The minimum distance to the bottom of the fireplace depends on the boiler design There must be enoug...

Page 6: ... temperature a very high chimney or a large chimney diameter creates a risk for condensation that can cause corrosion and damage due to freezing 6 Controller 6 1 General description Description Diodes signalizing the status of outputs and the working mode of the driver LCD screen used for communication between the device and the user Buttons steering the driver s work 6 2 Description of buttons Bu...

Page 7: ...30V 2A 0 8A CH pump 230V 2A 0 8A WUW pump 230V 2A 0 8A Cleaning System Protection Electric Fuse 4A Inputs Room thermostat Open contact Temperature sensors KTY 210 Temperature STB 95 C Visual signaling LED diodes Signalling the status of outputs LCD screen Messages measurements settings Power supply 230 V 50Hz 2VA 7 Operation functions After switching the burner on it is appeared on the LCD screen ...

Page 8: ...le memory Activating the driver again automatically causes switching on of the lately used working mode In the table beneath a short description of particular functions of the burner activated depending on the working mode of the driver is shown FUNCTION S NAME DESCRIPTION OF FUNCTIONS STOP Burner stopped FEEDER FILLING Filling the feeder Filling stops automatically after about 10 minutes IGNITION...

Page 9: ... chosen by the user are divided into four groups A CH FURNACE SETTINGS B WUW BUFFER SETTINGS C BURNER SETTINGS D DRIVER SETTINGS The division of particular parameters in groups is shown in the Settings table CH FURNACE SETTINGS A FUNCTION NO FUNCTION NAME SETTING UNIT SETTING RANGE MANUFACTURER SETTING 1 HEATING WATER TEMPERATURE ºC 35 85 65 2 CH PUMP ACTIVATION TEMPERATURE ºC 20 60 35 3 CH FURNAC...

Page 10: ...an 10o C Continuous mode The burner reaches the desired HEATING WATER TEMPERATURE and goes down at 3kW maintain When the boiler s temperature goes down to the temperature HEATING WATER TEMPERATURE CH FURNACE HYSTERESIS the burner increases its power from 3kW maintain to the maximum burner power i e30kW The CH FURNACE HYSTERESIS must be no more than 5o C Analogue mode The burner reduces its power 1...

Page 11: ... multiplier 0 2 2 1 9 FLAME DETECTOR TRESHOLD 5 90 10 10 FURNACE PROTECTION OVERHEAT ºC 60 90 80 11 STB TEMPERATURE ºC 60 110 90 12 IGNITION STABILIZATION Seconds 0 250 90 13 MAXIMUM BURNER POWER KW 30 250 50 14 MINIMUM BURNER POWER KW 2 50 9 15 MINIMUM FURNACE TEMPERATURE ºC 20 60 35 16 SENSOR TYPE KTY PT KTY 17 EXTERNAL CONTROL Yes No No 18 TEMPERATURE CALIBRATION ºC 10 0 10 0 0 0 If PT PT 1000 ...

Page 12: ...me is the protection from filling up of the burner This time depends on the angle of arrival of the large feeder The parameter is set in the bracket of 5 to 20 minutes Manufacturer Advice 10 12min PELLETS IGNITION TIME In this menu the manufacturer sets the time of the pellet s ignition After the lapse of time the ignition cycle restarts The cycle is repeated once again Unsuccessful trials of igni...

Page 13: ...e manufacturer sets the period of feeding the pellet After the lapse of time the driver releases the next dose of fuel In the cycle of maintain the parameter is ten times multiplied The feeding period of the pellet is set in the bracket of 10 to 60 seconds Manufacturer Advice 10 20s OVERFLOW PELLETS AIR WORK In this parameter the manufacturer sets the overflow of the air needed to burn the specifi...

Page 14: ...multaneously surpassing the protection temperature of the furnace setting the STOP mode and simultaneously surpassing the protection temperature of the furnace surpassing the temperature of the heating water over 90ºC Manufacturer Advice 80 90ºC STB TEMPERATURE It is the temperature where the Overheating Alarm is activated At the same time the controller activates the CH pump and the WUW pump For ...

Page 15: ...C The PT 1000 sensor is given by the manufacturer under request and it is used to measure temperature higher than 100o C industrial applications EXTERNAL CONTROL room thermostat This parameter it is activated only if room thermostat it is connected on the controller If external control No Manufacturer s settings 1 When thermostat is ON the burner works at the maximum power is set 2 When thermostat...

Page 16: ...eder s performance 9 Repeat the steps 4 8 2 3 times until you make sure that you weight the right quantity 10 Place this value i e 24kg hr on manufacturer s settings menu in the parameter 5 Feeder Performance 11 Connect the power cable back to the controller and also we plug the feeders cable to the controller 12 Switch on the controller and set the burner at Automatic mode 13 When the maximum pow...

Page 17: ...off till the photo sensor stops to detect fire 3 5 min 4 When the photo sensor stops to detect fire cleaning procedure takes place for few seconds 13 Cleaning burner s chamber 1 The burner can be either at Work or Maintain or standby 2 Press the button MODE continuously till STOP MODE appears on the screen 3 It is written Burning off till the photo sensor stops to detect fire 3 5 min 4 When the ph...

Page 18: ... filling time 8 When the wood pellet starts to come out of the feeder switch off the controller 9 Connect the feeder with the burner by using the plastic pipe 16 Burner safety systems For total fail safe security the burner is equipped with four safety systems 1 The plastic pipe connecting the feeder with the burner This tube will melt away from the burner in event of a too high temperature thereb...

Page 19: ...70o C Back fire protection This is happened either the chimney s draught is no the appropriate or the burner hasn t been cleaned If the temperature goes down to 60 o C and the photo sensor scans light then the burner s operation continuous normally If the temperature goes down to 60 o C and the photo sensor doesn t scan any light then the signal Burner alarm is still on the LCD and you must restar...

Page 20: ...18 Warranty 2 years in metal parts 2 years in electric parts feeder s motor air fan 1 year in electronic controller No warranty is given for the heating element igniter ...

Page 21: ...THERMOSTAHL ROMANIA HEATING SYSTEMS S R L DRUMUL OSIEI 57 59 sector 6 Bucharest 062395 Romania www thermostahl ro ...

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