Mini Boiler
MP4 G3 and MP6 G3
MANUAL
Use and Installation
Page 1: ...Mini Boiler MP4 G3 and MP6 G3 MANUAL Use and Installation...
Page 2: ...1 2 4 6 Alarms warnings and limitations 12 2 5 Maintenance 13 2 6 Troubleshooting 16 3 Installation Manual 18 3 1 Safety 18 3 2 Installation 18 3 2 1 Installation overview 18 3 2 2 Preparations 18 3 2...
Page 3: ...you will find technical information as well as instructions relating to installation and service NOTE Installation and service may only be carried out by a qualified installation engineer 1 3 Explanat...
Page 4: ...ibed on pages 13 16 Always contact your installation engineer for service The boiler is not permitted to be modified changed or converted in any way Never place any combustible material on the boiler...
Page 5: ...set to 1 5 bar YES to bar The water pressure must not be below the pre charge pressure 0 2 bar Example If the pre charge pressure has been adjusted to 1 6 bar the water pressure must be between 1 8 an...
Page 6: ...Version MP4 6 G3 08 01 2024 5 2 3 Overview...
Page 7: ...the boiler s electronics from being splashed with water 1 Control panel 2 Power switch 3 Overheating protection 4 Vent valve 5 Safety valve 6 Pressure gauge 7 Drain water tank 8 Expansion tank 9 Circ...
Page 8: ...u you have selected Cover 15 The cover protects the boiler from contaminants The cover must always be mounted on the boiler except during maintenance and when changing settings Locking mechanism 16 Th...
Page 9: ...r temperature exceeds 80 C If the overheating protection is triggered you will need to reset it manually Read more about resetting the overheating protection on page 12 2 4 Functions and settings Do n...
Page 10: ...o the home screen Basic settings The installation engineer sets the language time and date at the time of installation In the event of a power cut lasting longer than 3 4 days you or the installation...
Page 11: ...to the outdoor temperature The installation engineer sets a heating curve that is adapted to the heating surface s insulation and the design of the heating system If you have installed a room unit the...
Page 12: ...start the boiler again rather contact your installation engineer for troubleshooting and remedial actions Over temperature protection The over temperature protection is a digital safety feature The b...
Page 13: ...nd contact your installation engineer for troubleshooting and remedial actions Anti freeze If the boiler or system is in a low temperature environment the installation engineer can add anti freeze and...
Page 14: ...ted Activity log The boiler saves operational information in an activity log The installation engineer can use this information for troubleshooting and to make adjustments 2 5 Maintenance In order for...
Page 15: ...ystem does not lose too much water and pressure The water pressure should be checked when the boiler is cold For every quarter of a turn anticlockwise a popping sound can be heard 8 Open and close the...
Page 16: ...ng valve is missing contact your installation engineer If you would like help adjusting the water pressure please contact your installation engineer Empty the drain water tank 12 Remove the drain wate...
Page 17: ...s or the warning is repeated contact your installation engineer for troubleshooting and remedial actions Red indicator light flashes The boiler has activated an alarm and turned itself off Make a note...
Page 18: ...protection or contact your installation engineer Read how to reset the overheating protection on page 12 Acknowledging an alarm warning or limitation 1 Press the button furthest to the left 2 Press th...
Page 19: ...not included in the boiler delivery 2 Install the boiler 3 Install the pipe system 4 Fill with water 5 Install the electricity 6 Test the boiler in accordance with the Installation engineer s checkli...
Page 20: ...oiler so that the immersion heater can be replaced if necessary Install the outdoor sensor Connect the outdoor sensor to the boiler using a cable with a cross section of at least 0 5 mm2 and a maximum...
Page 21: ...ures Pipe system Shut off throttle valves Filling and drain valve Flow direction Water source 3 2 5 Fill with water and adjust the pressure Always check that the expansion tank has sufficient volume C...
Page 22: ...has a capacity of 2 litres and the preset pre charge pressure is 1 5 bar It can handle a system volume of 70 litres at 60 C and 5 metres of static pressure Adjust the bypass valve To safeguard the fl...
Page 23: ...ump 4 Overheating protection 5 Control switch 6 Cable between panel and power board 7 Boiler temperature sensor 8 Connection for outdoor temperature sensor 9 Connection external blocking alternative t...
Page 24: ...ation to electrical installation may only be carried out by qualified personnel For an explanation of labels see page 22 Jumper N X option for single phase coupling and for increasing the power in the...
Page 25: ...e protection 10 A Jumper N X Two phases without jumper MP4 2 25 kW 400 V 2N 5 6 A MP6 3 0 kW 400 V 2N 7 5 A Power cable 4 x 1 5 mm2 Fuse protection 2 x 10 A Two phases with jumper MP4 3 0 kW 400 V 2N...
Page 26: ...to refit the red cap to ensure that the vent valve works automatically The float switch temporarily turns off the boiler and triggers a warning if the vent valve is unable to vent the boiler automatic...
Page 27: ...Version MP4 6 G3 08 01 2024 26 Menu overview...
Page 28: ...ation is activated you can test operate the circulation pump manually Select 1 to start the circulation pump and 0 to stop the circulation pump ECO function Main menu The ECO function must be switched...
Page 29: ...ly deactivated after four minutes of inactivity Manual operation Installation engineer settings Advanced Manual operation is used to test the boiler s functions manually Max flow Installation engineer...
Page 30: ...low buzzer Installation engineer settings Advanced Select ON to activate the alarm signal and select OFF to deactivate the alarm signal The factory setting is ON USB Installation engineer settings Adv...
Page 31: ...tion information on page 4 of the User Manual Demonstrate the boiler to the customer in accordance with Customer demonstration handover on page 32 Fill out and post the installation registration to re...
Page 32: ...uses and that the boiler s control switch is in the on position The group fuses for the boiler are triggered The immersion heater is broken Check by checking the insulation of the immersion heater Mea...
Page 33: ...h boiler temp Warning The over temperature protection has temporarily stopped the boiler from heating When the boiler temperature has dropped by 5 C regulation will be resumed W03 Low boiler temp Warn...
Page 34: ...f or is rectified Information about the alarm remains in the log list Warning When the boiler activates a warning the yellow indicator light flashes When the user or installation engineer has acknowle...
Page 35: ...230 V 400 V 400 V 400 V Frequency 50 60 50 60 50 60 50 60 Current 6 5 A 5 6 A 7 5 A 6 5 A Fuse protectio 10 A 2 x 10 2 x 10 3 x 10 MP6 G3 Power options 2 0 kW 3 0 kW 4 0 kW 6 0 kW Voltage 230 V 400 V...
Page 36: ...246221 Expansion tank 1 245117 H bypass bypass valve 1 280018 Insulation immersion heater container 1 210224 Cable power panel circuit board 1 210234 Power circuit board 1 720259 Cover 1 380051 Pressu...
