Baxi MULTI-HEAT Instructions For Installation And Use Manual Download

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Cleaning door, top

Combustion chamber

Burner

Cleaning door, bottom

Observation flap

Air apertures for the combustion

Blow-off faucet (on type 2.5 this is placed between the fire box and the
hopper)

8a.

Delivery screw for air chamber (on type 2.5 this is placed directly over
the bottom frame on the right-hand side.

Ignition / striking arc

10.

Cleaning opening (for hopper)

11.

Fuel worm conveyor/auger (transports the fuel inwards)

12.

Back-burn safety valve

13.

Blower (provides air for the combustion)

14.

Stirrer/agitator (only for the version firing with wood chips)

15.

Air intake (there is one of these on both sides)

16.

Cleaning flap (there is one of these on both sides)

17.

Covers for hopper (reversible)

Summary of Contents for MULTI-HEAT

Page 1: ...I HEAT INSTRUCTION FOR INSTALLATION AND USE OF BAXI MULTI HEAT List of sections Section Operating and owner instructions 1 Possibilities for automation 2 Installation instructions 3 Technical data and wiring diagram 4 Setup and test report 5 ...

Page 2: ...It is hereby declared that below BAXI product Multi Heat complies with the EEC directives mentioned below ...

Page 3: ... RESPONSIBILITY POSSIBILITIES 1 1 OVERVIEW OF THE BOILER AND THE EQUIPMENT 1 2 RESPONSIBILITY AND SAFETY 1 3 DESCRIPTION OF OPERATION 1 4 STARTING UP THE BOILER 1 5 IGNITION 1 6 EXTINGUISHING 1 7 BOILER AND RETURN TEMPERATURE 1 8 DAILY FIRING 1 9 USER EXPERIENCES 1 10 RECOMMENDED ADJUSTMENT OF OPERATION 1 11 CLEANING THE BOILER 1 12 OPERATING THE PUMP 1 13 OPERATING THE MIXING VALVE SHUNT VALVE EX...

Page 4: ...TEM 5 1 MEASURED AND ADJUSTED VALUES Due reservations are made regarding construction amendments and possible printing errors Page 2 1 Use and the user s task responsibility possibilities 1 1 Overview of the boiler and the equipment 1 Control Panel ...

Page 5: ... 2 5 this is placed directly over the bottom frame on the right hand side 9 Ignition striking arc 10 Cleaning opening for hopper 11 Fuel worm conveyor auger transports the fuel inwards 12 Back burn safety valve 13 Blower provides air for the combustion 14 Stirrer agitator only for the version firing with wood chips 15 Air intake there is one of these on both sides 16 Cleaning flap there is one of ...

Page 6: ...e colour must be as for wood without particles of a clear of other colour such as white green or blue Please ask your supplier for a description of contents Grain barley and wheat When firing with grain the co delivered worm conveyor auger extension must be mounted in order to counteract the inconveniences caused by cinders which can be formed in the combustion chamber The boiler is tested with ba...

Page 7: ...eater fuel consumption Consult the factory for advice with regard to the possibilities of using other types of fuel 1 1 2 Function Refer if necessary to fig 1 1 The fuel worm conveyor auger 11 screws the fuel into the boiler s combustion chamber 4 The combustion air is supplied via the built in blower 13 down through holes 7 at the back and up into the fuel The flue gas passes upwards through the ...

Page 8: ...ention of the guidelines can amongst other things result in a lower useful effect and increased environmental strain as it is not possible to achieve the clean smoke gases which are aimed at Furthermore incorrect operation can reduce the lifetime of the boiler Correct operation and installation are the best guarantee for a well functioning boiler with a long lifetime and a good immediate environme...

Page 9: ...ce with normal practice indications in this instruction instructions for equipment accessories if any as well as conditions described in the appurtenant guarantee certificate See section 1 18 Preventive maintenance as well as the boiler s guarantee certificate Page 5 1 3 Description of operation Side A Display 7 B Menu 7 ...

Page 10: ...h output 8 L Low output 8 M Firing at intervals 8 P Pump 10 R REG Error Unknown switch argument 7 Fig 1 3 Remember Always ensure that you have a pen and paper ready every time you adjust the settings on the control Suggestions for tables can be seen on the last page of this instruction When an adjustment is made on a setting the information regarding this will be shown in the display for approx 10...

Page 11: ...ulation Here the adjustable parameters can be adjusted up and down in value B Menu With this button it is possible to switch between which of the 4 temperatures you wish to have shown in the display However in the set up menu it is used to step through the set up points See temperature display on the next page This is also used for programming as shown on page Error Unknown switch argument Error U...

Page 12: ...rature be too low since this can cause condensation in the chimney How low the temperature is depends on the chimney but temperatures below 120 C are not normally to be recommended Note If you press on one of the buttons J M the adjusted value will be shown for 5 seconds after which the value which you have chosen will be shown once again C Operation form Here it is possible to switch automatic mo...

Page 13: ...s is set by means of the 2 push buttons above the 100 symbol The lowest button is used to set the number of seconds between each worm conveyor auger delivery this can be set between 5 and 30 seconds This setting is shown in the display Press in and hold SEC and adjust up or down by pressing on or on REG R In the same manner the uppermost button is used to set the blower s air quantity from 0 to 10...

Page 14: ... worm conveyor auger delivery This is only active when the boiler temperature is rising Set between 1 and 60 min so that the fire can just be kept alight without firing so much that the temperature rises this is experience value Suggestions for adjustment see if necessary section 1 10 recommended adjustment of the control G Manual worm conveyor forward This takes place by pressing on the symbol fo...

Page 15: ...s operation panel The circuit breaker on the back of the control panel see 4 2 electrical diagram has blown A 3 The motor protection for the worm conveyor auger has failed This can be reconnected when the motor is no longer over burdened A 4 The flow temperature has exceeded 94 C A 5 Error during communication with the more sensitive parts of the control i e the program cannot be saved or read The...

Page 16: ...orresponding to 0 1 6 0 seconds HX X Save with button C Here the worm conveyor auger s adjustment time is adjusted at low output i e the time which the worm conveyor auger is running each time Adjustment area 0 1 6 0 corresponding to 0 1 6 0 seconds LX X Factory setting MULTI HEAT Type HX X high output LX X low output 1 5 H1 7 1 7 sec L1 7 1 7 sec 2 5 H0 5 0 5 sec L0 3 0 3 sec 4 0 H1 0 1 0 sec L0 ...

Page 17: ...ess you do not want to save the new input data which have been entered you can regret by pressing the alarm reset button F Letters in brackets see fig 1 3 Page 9 D Ebullition thermostat If the boiler temperature reaches up to approx 100 C the ebullition thermostat will switch off the boiler and the display will show A 2 In order to reconnect unscrew the protective cap and press in the pin which ha...

Page 18: ...temperature setting for firing with grain is min 130 C There is a built in alarm in the control which will indicate an alarm if the smoke temperature is below 100 C for more than 30 min If the house s chimney is such that condensation forms some turbulators can be removed to increase the smoke gas temperature in order to counter the condensation The boiler has however been tested and approved with...

Page 19: ...ught to be min 60 C 1 8 Daily firing 1 8 1 Running in period In the beginning it is recommended that you should regularly daily inspect your boiler system and check the fuel hopper and fill this up if necessary Check flow temperature return temperature as well as smoke temperature See amongst other things sections 1 3 to 1 7 At the beginning you ought regularly to open the lowest door and check th...

Page 20: ...well as removing ashes from the combustion chamber There must always be enough fuel in the magazine to keep it from running dry The risk of back burning is increased if the magazine runs out of fuel and or fuel other than that specified in section 1 1 1 is used NB Poorer fuel gives more problematic operation Wood pellets composed of pure wood residues produce comparatively little ash Grain is more...

Page 21: ...step kW Sec Sec kW Sec Sec Min Adjustment for firing with wood pellets and grain moisture content see point 1 1 1 MULTI HEAT 1 5 only wood pellets High K 15 16 25 1 7 7 7 29 9 1 5 Low L 4 6 56 4 1 7 4 6 56 4 1 7 MH 1 5 Pause M 1 7 1 7 30 High K 25 24 47 0 5 13 29 19 0 3 Low L 7 5 50 8 0 3 7 5 50 8 0 3 MH 2 5 Pause M 0 3 0 3 30 High K 40 27 81 1 20 27 36 0 5 Low L 12 56 19 0 6 12 56 19 0 6 MH 4 0 P...

Page 22: ... 5 Pause M High K Low L MH 4 0 Pause M Adjustment of operation for wood chips fine chips moisture content see point 1 1 1 High K 23 10 46 2 5 11 7 13 18 1 5 Low L 6 8 25 7 1 5 6 8 25 7 1 5 MH 2 5 F Pause M 1 5 1 5 10 High K 37 9 80 4 0 18 9 13 36 2 5 MH 4 0 F Low L 11 24 18 2 5 11 24 18 2 5 ...

Page 23: ... comprise the following 1 cleaning brush 1 shovel for ash 1 Set the control on OFF 2 Open the front door s 3 Clean the sides of the boiler Remove the ash which has been cleaned off however a layer of ash may well be left at the bottom of the boiler as this improves the combustion 4 Cleaning the fire tubes On MULTI HEAT 1 5 and 4 0 turn the smoke gas turbolators approx 15 times so that the ash part...

Page 24: ...ng more or less return water into the boiler water The mixing valve can be supplied with motor control in connection with a weather compensation system See automation 1 14 Use of pressure gage The heating and ventilation fitter will have in connection with the installation fitted a pressure gage which shows the water pressure in the central heating system Set the red mark above the movable indicat...

Page 25: ...ion to the water supply Corresponding function can be achieved with an pressurized tank set for water sprinkling Refer to sketch below After extinguishing if necessary with water the combustion chamber must be dried out Remove the water and empty the air chamber by dismounting the drain screw pos 8a fig 1 1 situated behind the lowest front plate REMEMBER to mount the drain screw again Remove wet f...

Page 26: ...eck whether the hopper lid is closed 2 Check whether the worm conveyor auger is turning the right way round 3 Check whether there is voltage for the boiler 4 Check the safety devices on the PC board 5 Check whether the hopper lid closes tight the packing must be intact and there must not be any pellets branches and suchlike lying on the packing surface 6 Check the micro switch on the hopper lid 7 ...

Page 27: ...tent which is valid for a waterworks pressure of min 2 0 bar For best boiler function operating economy and boiler life we recommend taking out a service contract with a competent service company authorised by BAXI for annual inspection and servicing of the boiler 1 19 Summer stop The boiler must be thoroughly cleaned if it is stopped completely in summer Leave the bottom door open so that air can...

Page 28: ...2 5 Optional extras Agitator for 600 litre magazine Pressure tank for water sprinkler protection against back burning Draft limiter for smoke tube Draft limiter for chimney Safety copper heat exchanger for thermal outflow safety device Cover with 2 collar for electric heating cartridges for MH 1 5 and 2 5 Lambda control Automatic loading unit for wood pellets and grain type RSE 3 1 1 Standards and...

Page 29: ...lower there are only small demands made on the chimney draft The dimensions for the diameter and height must comply with the Building Regulations The chimney draft must be at least 10 Pascal and max 25 Pascal Excessively high chimney draft can be reduced by means of a draft stabiliser Chimney draft for high draft stabiliser Strong directional wind or a very high chimney can cause excessive draft T...

Page 30: ...r Fitted on boiler flue BAXI no 082330 2 3 Built into chimney BAXI no 291657 Draft stabiliser on vertical chimney Draft stabiliser on horizontal chimney 3 4 Expansion safety valves and pump connection 3 4 1 Expansion tank ...

Page 31: ...oiler is not permitted 3 4 2 Thermal outflow safety device optional extra To ensure that the boiler can be switched off quickly a safety heat exchanger with thermal outflow safety device must be fitted in closed systems 1 5 Bx part no 080248 2 5 Bx part no 080247 Safety device for type 4 0 Bx part no 080249 Connection width Ø 18 mm Water connection pressure min 2 0 bar The water inflow line may no...

Page 32: ...Page 18 3 4 4 Safety valves and safety line ...

Page 33: ...ed by calculation on the basis of the size of the system pipe dimension and execution The pump can be connected to the boiler control by means of the plug supplied 3 4 8 Protection against freezing The central heating system can be protected against freezing with anti freeze but remember that the hot water tank if connected is not protected We recommended having a plumber add the anti freeze if pr...

Page 34: ...ndard 3 x 400 Volt Page 19 3 5 1 Installation menu programming Switch off the boiler i e switch the ON OFF switch E to OFF Press the ALARM RESET key F and the MENU key B together and keep them depressed for about three seconds The INSTALLATION MENU will then appear There are three points which can be selected as required via MENU key B The values can be adjusted with the SET KEY R XXX 1 07 PROM ve...

Page 35: ...closed or shut off On the one side panel there is a cut out for the pipe assembly this can be moved or exchanged to the side where the assembly is needed 3 6 3 Frost protection The central heating system can be protected against frost by means of an anti freeze mixture 3 6 4 Boiler and return temperature As noted in section 1 3 we recommend keeping the boiler temperature at 80 C The return tempera...

Page 36: ...ed in sections 1 4 to 1 10 Adjustments of the quantities of air and fuel are carried out in accordance with the following guidelines Fuel type CO2 at high output CO2 at low output Wood pellets 13 14 9 12 Grain 13 14 9 12 Wood chips 10 12 9 12 Combustion is controlled by an oxygen control if this is fitted See separate instructions Page 21 3 7 System diagram ...

Page 37: ...gure 3 7 4 Technical data and electrical diagrams Figure 4 Page 22 4 1 Technical data Type 1 5 Type 2 5 Type 4 0 A Depth Total mm 1435 1578 1693 B Breadth Boiler mm 504 600 600 C Height mm 1165 1475 1475 ...

Page 38: ...eter mm 130 150 150 Weight empty kg 340 385 530 630 580 680 Water contents liters 50 125 150 Necessary space for taking out the worm conveyor at the end of the hopper mm 800 1000 1000 Or the door end mm see point 3 6 5 1000 1000 Necessary distance to open cleansing door mm 500 600 600 Minimum service distance at the hopper end mm 100 100 100 Operating temperature C 60 85 60 85 60 85 Output nominal...

Page 39: ...inal output Wood pellets C 130 170 158 Grain Maize C 167 152 Chips C 178 183 Smoke temperature at minimum output Wood pellets C 60 80 75 Grain Maize C 85 80 Chips C 85 80 Smoke gas volume at nominal output Wood pellets m 3 pr hour 36 58 93 Grain Maize m 3 pr hour 60 97 Fuel consumption at nominal output Wood pellets kg pr hour 3 4 5 7 10 Grain Maize kg pr hour 6 0 11 ...

Page 40: ...rth 50 Hz 10 A Setting for line circuit breaker 400V 230V A 0 6 1 2 1 2 Approved fuel types Wood pellets approx 8 water 5 20 mm 5 20 mm 5 20 mm Grain Maize approx 15 water X X see also section 1 1 1 Chips fine approx 25 vand X X Test pressure boiler bar 4 0 4 0 4 0 Test pressure coil extra equipment bar 25 25 Not supplied Flow and expansion inches 1 1 1 Return inches 1 1 1 Noise level dB A 70 70 7...

Page 41: ...by means of the approval with the above mentioned 24 hour operation at minimum output This smoke temperature is too low for ordinary operation with ordinary chimneys We consider a smoke temperature of 100 C as being the absolute minimum for ordinary chimneys We have therefore built in an alarm on the smoke temperature at 100 C This means that if the smoke temperature has been below 100 C for half ...

Page 42: ...Page 24 4 2 3 Multi Heat Special model 230 V ...

Page 43: ...ical Diagram B 12 Ebullition thermostat F1 Fuse 1 6A F2 Motor protection F3 Fuse 1A J1 Oxygen probe J2 Power tag block 230V DC J3 Electric current for the oxygen sensor 9V AC J4 Connection between power and control printed circuit ...

Page 44: ...Fan N Zero T1 T3 Motor connection X1 Tag block Alarm Potential free exit maximum 24 Volt 3 Amp See section 3 5 for electrical connection Page 25 5 General delivery survey report for boiler system Installation carried out by ________________________ ________________________ Boiler data Make Type designation BAXI MULTI HEAT___________ ...

Page 45: ... and adjusted values Date Date Date Date Fuel type Moisture Programmed min air quantity adjustment see page 9 Programmed fuel worm conveyor running in time high indkøringstid see page 9 low Programmed time with max air in intermittent setting see page 9 High output time between worm conveyor feeding seconds High output air quantity in Intermittent firing adjusted time between worm conveyor feeding...

Page 46: ...Low output time between worm conveyor feeding sek Low output air quantity in Pump adjustment pump 1 Pump adjustment pump 2 Other data adjustments Adjustment carried out by Page 26 ...

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