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Scheer 077480, Installation And Maintenance Instructions Manual

The Scheer 077480 product comes with an Installation And Maintenance Instructions Manual for easy setup and care. You can download the manual for free from manualshive.com to ensure smooth operation of your product. Get detailed guidance on installation and maintenance to prolong the lifespan of your Scheer 077480.

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   table of contents

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Legal requirements
Warning and safety instructions (explanation)
Installation
Initial commissioning
Type plate
Technical data
Structure of the MH series
Control box A
Heating controller
Interference lights
Pipe connection groups (examples)
Domestic hot water heating (optional)
Expansion vessel
Hybrid electric heating (optional)
How electric heating works
Dimensions MH series
Water heater MH micro
Construction of the MH micro
Burner construction of the MH micro
Hybrid heater MH micro
Dimensions of the MH micro
Control box MH micro
Malfunction lights
Oil supply / oil filter
Ecological antifreeze
Automatic venting for heating water
Combustion air supply
Exhaust pipe 
Burner components
Pipe connection group components
Maintenance
Maintenance preparation
Adjust CO

2

 value and pump pressure

Change oil filter
Clean boiler
Check mixing cartridge
Replace oil nozzle
Circuit diagram control unit 
Circuit diagram control box A 2-stage
Circuit diagram control box M
Room thermostat (optional)
Service record
Service kits

Summary of Contents for 077480

Page 1: ...Installation and maintenance instructions MH series water heater MH 10 17 MH 15 23 MH 30 40 MH 20 micro L MH 10 micro...

Page 2: ...innovative and award winning technology of our products with the Blue Efficiency burner will provide you with an especially user and maintenance friendly operation This system will give you comfort a...

Page 3: ...heating works Dimensions MH series Water heater MH micro Construction of the MH micro Burner construction of the MH micro Hybrid heater MH micro Dimensions of the MH micro Control box MH micro Malfunc...

Page 4: ...ions for installing combustion heaters and electrical heaters in vehicles 5 3 1 Scope 5 3 1 1 According to section 5 3 1 2 heaters must be installed by the requirements of section 5 3 5 3 2 Location o...

Page 5: ...manual Installation WARNUNG Electric current hazard The device may only be operated on properly installed single sockets with protective contact Do not pull the power cord out of the socket by pulling...

Page 6: ...e Always follow all installation and repair instruction Heed all warning and safety signs All required technical documentations tools and equipment must be available in the vehicle for installation an...

Page 7: ...iping group optional design oilpump Control unit blower Blower keypad Flame detector Air pressure switch Ignition transformer Mixing device oil pump motor Emptying Filling Burner fault light with rese...

Page 8: ...al Tank Control Safety temperature limiter Burner demand Heating controller MH Serie MH micro Symbol for heat request Actual value boiler temperature Item No control box A 0754481 pressureless system...

Page 9: ...please have a repair carried out by your specialist company The pipe group is configured by SCHEER according to customer requirements pipe group examples This article does not apply to the micro versi...

Page 10: ...ied with power 2 For each switch 1kW or 2kW see label are activated together the corresponding switch lights up The burner is blocked 3 The electric heating is controlled via the heat request signal f...

Page 11: ...UND REGELUNGSBOX Stand 20 11 2020 MH 30 40 197 103 538 571 638 MH15 23 MIT ROHRGRUPPE COMBI UND REGELUNGSBOX Stand 20 11 2020 MH 15 23 measurements in mm MH 10 17 511 197 103 571 574 Hybrid MH10 und M...

Page 12: ...ng The opening must then be closed again 2 the micro variants are intended exclusively for open unpressurised systems An expansion vessel is not required The maximum operating pressure of 0 5 bar must...

Page 13: ...ion transformer Oil pump Blower Blower keypad Oil pump motor MH 10 micro front view MH 20 micro site view NOTICE During installation make sure that the burner and its hood can be dismantled Approx 30...

Page 14: ...ed by a too high operating temperature of the hea ting water Let the heating system cool down Push the reset STL button in followed by a click sound The heating system is ready to start again In case...

Page 15: ...e of equipment Automatic bleeders always have to be installed above the level of the oil pump At least 50 of the length of the fuel line should be ascendingly mounted Do not interchange the feed and r...

Page 16: ...rature sensitive parts it must be insulated The flue gas outlet must not be laid below the combustion air inlet and no closer closer than 50 cm to each other DANGER The air supplied to the combustion...

Page 17: ...cro Item No Oil pump motor 0151380 Condenser 010293 Item No MH 10 17 016026 MH 15 23 016027 MH 30 40 016028 MH 10 micro 0160290 MH 20 micro L 0160291 Flame tube Ignition electrodes Item No MH micro 01...

Page 18: ...This item is omitted for the Micro variants Oil hoses pair Item No Flame detector 020064 Burner components for MH series and MH micro Item No MH 0414180 MH Micro 0414110 The release button is the cen...

Page 19: ...ts Item No Plattenw rme tauscher 036480 Item No 3 way zone valve 065511 Item No Flow switch 0362990 Flow sensor This item is omitted for the Micro variants Item No Vorlauff hler 0755130 Item No Automa...

Page 20: ...the dismantled parts after completing the maintenance work Maintenance preparation maintenance interval boiler cleaning Optical inspection annually When dirty clean with adequate cleaning kit non abra...

Page 21: ...n light grey layer may be deposited in the combustion chamber This is a sign of good combustion Do not remove this layer as it acts like a preservative for the combustion chamber After you have disman...

Page 22: ...enuine SCHEER ignition electrodes Do not bend the used electrodes they could break Unused electrodes can slightly be bend to the correct distance 4 Check the oil nozzle If the nozzle is damaged or dep...

Page 23: ...flame detector blue black brown 9 11 12 5 2 L2 N L1 FTh PTC green yellow brown blue black C C C C green yellow brown 2 1 grey black 3 oil pre heater 7 5 6 7 8 1 3 2 4 C C C C C C C 1 L1 N T1 T2 S3 B4...

Page 24: ...B4 Stecker Brenner X2 1 2 3 4 5 6 7 N L1 N L Jumo eTron M A1 NO NC C PT100 PT1000 L PE N Stecker230V X1 Filter Line Load L1 PE N L1 N F1 PE PE C 2 1 PE PE STB T1 P1 T2 Brenneranforderung P2 2 KW Hybr...

Page 25: ...erfloor heating functions Networking through Modbus and WLAN 0 5 C given Short term memory in the event of a power failure 5 1 1 weekly program with 6 periods comprehensive time program Controllable b...

Page 26: ...opean 60 mm junction box Step 1 Keep power off Step 2 Remove the mounting Plate by rotating the LCD part Step 3 Connect the power supply to the corresponding terminals of the thermostat L phase N neut...

Page 27: ...s through your thermostat NOT via your smartphone tablet simply follow the instructions as below Please note Setting the programme schedule through your thermostat can only be carried out if there is...

Page 28: ...cycle through the available settings and use to change the parameter values All changes will be saved automatically code function setting an options default 1 temperature compensation 7 bis 9 C for i...

Page 29: ...il signature signature name name service protocol SCHEER Heizsysteme Produktionstechnik GmbH Chausseestra e 16 D 25797 W hrden Tel 49 0 48 39 9 05 0 Fax 49 0 48 39 4 53 info scheer heizsysteme de Die...

Page 30: ...ilter filter cup seal for the unit oil hoses boiler insulation and cord for the unit 0730790 Service Kit MH 15 23 big 0730800 Service Kit MH 30 40 big 0730820 Service Kit MH 10 Micro Appropriate elect...

Page 31: ......

Page 32: ...Produktionstechnik GmbH Chausseestr 16 D 25797 W hrden Tel 49 0 4839 905 0 Fax 49 0 4839 453 info scheer heizsysteme de www scheer heizsysteme de MH Serie water heater Installation and maintenance ins...

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