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Summary of Contents for Scheer MA 50
- Page 1 MA-water heater MA 50 MA 70 MA 50/70 innovative heat systems...
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Page 2: Introduction
Fax: + 49 (0) 4839 453 info@scheer-heizsysteme.de www.scheer-heizsysteme.de Note: Always carefully follow SCHEER installation and repair instruction and heed all WARNINGS. SCHEER rejects any liability for defects and damage, which are due to installation or repair by unauthorized and untrained persons. www.scheer-heizsysteme.de... -
Page 3: Table Of Contents
C burner components • oil pump motor • oil pump • radial fan • fan regulator • air pressure switch • ignition transformer • flame detector • controller • flame tube • ignition electrodes www.scheer-heizsysteme.de... - Page 4 MA-SERIES maintenance • maintenance preparation • maintenance intervals • –value and pump pressure adjustment • boiler cleaning • oil filter change • mixing cartridge control • oil nozzle replacement service protocol service-kits www.scheer-heizsysteme.de...
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Page 5: Statutory Regulations Governing Installation
5.3.2.5. When positioning the heater, all reasonable precautions must be taken to minimize the risk of personal injury or damage to items in the vehicle. www.scheer-heizsysteme.de... -
Page 6: Warning And Safety Signs (Definition)
The MA-heating systems are approved for the use of „diesel“ and „heating oil“. Any other type of fuel for operating have to be in advance approved by the manufacturer SCHEER. The heaters are designed for 230 Volts. Heat current for the MA versions:... -
Page 7: Identification Plate
Ausf. Fabr. Nr. Inbetriebnahmejahr 2016 2017 2018 Fig.: identification plate technical data MA 50 MA 70 MA 50/70 operating power 50/70 dimensions (h / w / d) 62 / 47 / 98 62 / 47 / 98 62 / 47 / 98... -
Page 8: Installation
Improper installation or improper repair can cause a fire or the leakage of deadly carbon monoxide leading to serious injury or death. • The person to install and repair the heating system must have completed a SCHEER training course. • Always follow all installation and repair instruction. -
Page 9: Overview Ma-Series
MA-SERIES overview MA-series expansion tank (optional) burner Blue Efficiency® integrated electrical connection for heater (optional) fresh air intake control box C The control panel is divided into three areas: Status displays, operating program sequence and service area. www.scheer-heizsysteme.de... - Page 10 If the boiler is fired without water, it will be damaged. Check the water level, please. If there is suvvicient water in the system, contact SCHEER to be able to bridge the water level switch using emergency operation.
- Page 11 Emergency operation without controller Emergency operation without controller can be carried out at the user‘s own responsibility and requires discon- nection of the corresponding lead seal and switching of the switch after consultation with SCHEER. Setting the instrument function •...
- Page 12 (ADR) permission with additional electrical heater (optional) manual EMERGENCY OFF switch for the whole heating system. • NOTICE Any other type of power module or control box have to be approved by the manufacturer SCHEER www.scheer-heizsysteme.de...
- Page 13 Repeated emtying of fueltank can cause damage to the burner! If the heater is operated without fuel it can cause damage (e. g. on the oil nozzle). • NOTICE Other network modules and control boxes may only be used in coordination with the ma- nufacturer SCHEER. www.scheer-heizsysteme.de...
- Page 14 /Gaskessel); Aktive Brennerstufen ausgeschaltet burner active ECO function active ECO Funktion aktiv compressor operating (n.a.) Verdichter in Betrieb (nur WP) • NOTICE Any other type of power module or boiler controller have to be approved by the manufacturer SCHEER www.scheer-heizsysteme.de...
- Page 15 (maximum 3 seconds) on the chimney sweep button. This DHW heating mode function produces the operating state required to make emission measurements (flue gas). On: The DHW is heated according to the selected switching program. Off: No DHW heating, but the protective function is active. www.scheer-heizsysteme.de...
- Page 16 (maximum 3 seconds) on the chimney sweep button. This DHW heating mode function produces the operating state required to make emission measurements (flue gas). On: The DHW is heated according to the selected switching program. Off: No DHW heating, but the protective function is active. www.scheer-heizsysteme.de...
- Page 17 °C Heating curve slope 1.50 0.10 4.00 Summer/winter heating limit --- / 8 °C Heating circuit 2 1010 ... 1030 like heating circuit 1 Heating circuit P 1310 ... 1330 like heating circuit 1 1610 Nominal set point °C www.scheer-heizsysteme.de...
- Page 18 However, users are still able to go to any page and set values. The foreground page returns after this period without operator intervention. operating time-out: 8 minutes After this period without operation, display automatically returns to the start page. www.scheer-heizsysteme.de...
- Page 19 MA-SERIES control box C navigating and setting room controller C navigation topics room controller C www.scheer-heizsysteme.de...
- Page 20 MA-SERIES energy saving room controller C www.scheer-heizsysteme.de...
- Page 21 MA-SERIES room controler C system consumption settings www.scheer-heizsysteme.de...
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Page 22: Fuel Supply / Fuel Filter
Use fuel lines with a internal diameter of 6mm for the connection between the fuel tank and the oil filter. Different diameters with the approval of the manufacturer only. Unsupported fuel lines must be secured to prevent them sagging. oil filter Art.-Nr. 0405200 cartridge Art.-Nr. 040104 www.scheer-heizsysteme.de... -
Page 23: Expansion Tank (Optional)
MA-SERIES expansion tank (optional) Art.-Nr. MA 50 061210 MA 70 061210 MA 50/70 061210 expansion tank 18 liters Art.-Nr.: 061210 hybrid-heating with electric power (optional) The heating system can be equipped with an electrical heater in addition to the liquid fuel operation. -
Page 24: Plate Heat Exchanger For Hot Freshwater (Optional)
Note: Drain the plate water heater completely for long downtimes or at risk of freezing. pipe group examples SCHEER configures the pipe group according to customer requirements. degree (°) in Celsius pipe group 1.0 high temperature heating circuit for •... -
Page 25: Pipe Group Components
Only use genuine spare parts provided by the manufacturer. pump Art.-Nr.: 0774170 2-way zone valve 2-way zone valve Art.-Nr.: 0655120 Liquidant Liquidant Art.-Nr.: 075450 boiler door cord boiler door cord Art.-Nr.: 13-M084 door insulation door insulation Art.-Nr.: 59-004 boiler insulation boiler insulation Art.-Nr.: 59-005 www.scheer-heizsysteme.de... -
Page 26: Breather
Risk of malfunction or damage of equipment! 0655120 Using non-original spare parts lead to malfunction or damage of the equipment. • Only use genuine spare parts provided by the manufacturer. breather Art.-Nr.: 075451 safety group safety group Art.-Nr.: 0770520 thermometers thermometers Art.-Nr.: 080252 www.scheer-heizsysteme.de... -
Page 27: Dimensions Ma-Series
MA-SERIES dimensions MA-series measurements in mm www.scheer-heizsysteme.de... -
Page 28: Combustion Air Supply
Do not install the exhaust pipe opening in a proximity of less than 50 cm to the combustion air intake. electrical connections The unit is equipped with a grounded (shockproof ) plug. The electrical power supplied, must meet the current requirements of the unit. www.scheer-heizsysteme.de... -
Page 29: Electrical Schematics Of Controller
7-pin connector burner < > controller air pressure switch request solenoid valve level 2 level 1 connector 4-pol. brown heater QX4 QX4 FX4 blue failure light level 2 grey black burner reset blue black time relais brown black www.scheer-heizsysteme.de... -
Page 30: Electrical Schematics Of Control Box C
MA-SERIES electrical schematics of control box C www.scheer-heizsysteme.de... -
Page 31: Oil Pump Motor
4 to 25 bar viscosity range 2 to 12 mm²/s feed/return each max. 2 bar rotation speed max. 3600 rpm operating temperature range 0 to 60 °C (32 to 140 °F) two-step oil pump Art.-Nr.: 011759 www.scheer-heizsysteme.de... -
Page 32: Radial Fan
3200 Pa or 32 mbar radial fan Art.-Nr.: 015145 fan regulator The controller board changes the rotation speed of the fan automatically to ensure optimal combustion quality. Art.-Nr. MA 50 016031 MA 70 016032 MA 50/70 016033 fan regulator... -
Page 33: Air Pressure Switch
LED: flashes safety test conducted, flame detector is active, no flame detected LED: on (flickers) safety test conducted, flame detector is active, flame detected No adjustment of the flame detector is required for operation or maintenance. www.scheer-heizsysteme.de... -
Page 34: Controller
The multi color signal lamp behind the clear cover of the lockout reset button is the key indicating component for visual diagnostics and interface diagnostics. During the start up mode and normal operation the different operating states are indicated in form of color codes according to the color code table below: (see also next page) www.scheer-heizsysteme.de... -
Page 35: Flame Tube
MA-SERIES controller flame tube Art.-Nr. MA 50 015114 MA 70 015189 MA 50/70 015189 flame tube ignition electrodes Art.-Nr. MA 50 015231 MA 70 015228 MA 50/70 015228 ignition electrodes www.scheer-heizsysteme.de... -
Page 36: Maintenance Preparation
Make sure to reassemble the unit completely after servicing. Note: When placing an order please indicate the model and serial number of the MA-series unit. They are located on the right side of the heater and on the burner. www.scheer-heizsysteme.de... -
Page 37: Maintenance Intervals
Adjust the pressure of the oil pump for the first and second step of the burner separately at the respective adjustment screw. step 2 step 1 pressure adjustment pressure measuring step 1 port for manometer pressure adjustment step 2 –measuring connection www.scheer-heizsysteme.de... -
Page 38: Boiler Cleaning
If the negative pressure values are between -0.3 and -0,5 bar a change of the filter cartridge is recommended. • If the negative pressure is lower than -0,5 bar the cartridge must be replaced to avoid malfunction and/or increased pump wear. Note: Please ensure environmentally safe disposal of the filter cartridge. www.scheer-heizsysteme.de... -
Page 39: Mixing Cartridge Control
5 mm. If the distance is greater or smaller than specified, they have to be replaced with genuine SCHEER ignition electrodes. (Do not bend the used electrodes they could break! Unused electrodes can slightly be bend to the correct distance.) Check the oil nozzle. -
Page 40: Oil Nozzle Replacement
Remount the mixing cartridge in the reverse order of the section „mixing cartridge removal“. set screw oil nozzle Art.-Nr. oil pre heater MA 50 022376 0,85 / 60°SD MA 70 022374 1,25 / 80°SD... -
Page 41: Service Protocol
The guarantee is only valid if the complete protocol is completed! Send the completed protocol to info@scheer-heizsysteme.de or by mail to SCHEER Heizsysteme & Produktionstechnik GmbH | Chausseestraße 16 | D-25797 Wöhrden | Germany customer street postcode... -
Page 42: Service-Kits
MA-SERIES service-kits article content Art.-Nr. 073083 service-kit MA 50 Appropriate electrodes, oil nozzle, flame tube, and oil filter for the unit. service-kit MA 70, 073084 MA 50/70 REMARKS: www.scheer-heizsysteme.de... -
Page 43: Www.scheer-Heizsysteme.de
- MA-series - SCHEER Heizsysteme & Produktionstechnik GmbH Chausseestr. 12 - 16 D-25797 Wöhrden Germany Tel.: + 49 (0) 4839 / 905-0 Fax.: +49 (0) 4839 / 453 info@scheer-heizsysteme.de www.scheer-heizsysteme.de best in convenience and comfort...
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