Laing BM mini KF Installation And Operation Manual Download Page 10 | Manualshive

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10

Installation and operation manual BM mini

www.laing.de

www.laing.de

www.laing.de

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The direction of flow shown is only possible if there is no check valve

installed at the primary heating circulator. If a check valve is present,

filling in accordance with picture 3 is recommended.

Picture 6

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Summary of Contents for BM mini KF

Page 1: ...Installation and operation manual for mixing set BM mini ...

Page 2: ...ature control A1 121 R 20 70 C for the connection of a room thermostat not included in delivery 2 Laing circulating pump with spherical motor A1 121 resp A1 121 R 3 Venting device 4 Supply radiator boiler circuit 5 Return radiator boiler circuit 6 Supply floor heating circuit 7 Return floor heating circuit 8 Adjustable mixing valve 9 Adjustable bypass for the radiator boiler circuit recommended to...

Page 3: ...ues 12 Starting of operation with given values pre setting 13 Assembly of wall bracket 15 Dimensional drawing 16 Pump curve 16 Product range accessories and spare parts 17 Electrical connection 18 Technical Data Max system pressure 1 Mpa 10 bar Max system temperature 110 C boiler circuit 55 C floor heating Max differential pressure 100 kPa 1 bar in the radiator boiler circuit Electrical connection...

Page 4: ...uct range BM mini KR Mixing set with integrated constant temperature control 20 70 C for the connection of a room thermostat room thermostat not included in delivery see accessories in product range The BM mini is provided with a temperature protection system that restricts the supply temperature in the floor heating circuit to max 55 C Mounting instructions BM mini will be connected directly to t...

Page 5: ...emperature in the supply radiator boiler circuit should be at least 10 K higher than in the floor heating supply The maximum length of each pipe must not be longer than 100 m for floor heating design with spread of 10 K when using pipes 12 mm i d i e pipe 16x2 Smaller diameter pipe results in a shorter pipe length BM mini KF Assemble the thermostatic head and mount the sensor in an appropriate pos...

Page 6: ...re 7 is not possible Please observe the position of the ball valve in the bypass If this is in the vertical position the floor heating loops are hydraulically uncoupled from the boiler loop This position is ideal for nor mal operation see picture 1 since the pump in the heating loop does not influence the floor heating loop With the valve in this position however the floor heating system cannot be...

Page 7: ...al operation Ball valve position open vertical Recommended filling of the system Two fill valves on the primary side of the BM mini allow for an easy filling and purging of air in the floor heating loops The ball valve position must be closed horizontal Picture 1 Picture 2 ...

Page 8: ...position must be closed horizontal Possible filling option albeit a little complicated One fill valve on the primary flow side allows for filling and air purging The integrated ball valve must be closed horizontal Caution The floor heating return at the BM mini must be closed during the fill operation Filling a wall heating loop is impossible in this way Picture 3 Picture 4 ...

Page 9: ...a little complicated One fill valve on the primary return side allows for filling and air purging The integrated ball valve must be closed horizontal Caution The floor heating flow at the BM mini must be closed during the fill operation Filling a wall heating loop is impossible in this way Picture 5 ...

Page 10: ...anual BM mini www laing de The direction of flow shown is only possible if there is no check valve installed at the primary heating circulator If a check valve is present filling in accordance with picture 3 is recommended Picture 6 ...

Page 11: ...www laing de 11 www laing de Installation and operation manual BM mini Filling the system in this way is impossible since no forced flushing can be assured Picture 7 ...

Page 12: ...If it is not the system has to be run until the temperature increases 4 Check the floor heating supply temperature It should be about 35 40 C If it is too high the flow from the primary supply has to be adjusted reduced see page 14 picture 3 The BM mini will be delivered from factory with fully opened mixing valve We recommend an adjustment in small steps 1 2 turn After each adjustment the floor h...

Page 13: ...or heating system 40 C Difference pressure of the radiator boiler circuit 10 kPa Specific heat capacity of water 1 163 W Kg x K Wanted values Flow from the radiator boiler circuit m Q c x dT 2000 W 1 163 W kg x K x 30 K 58 l h Pre setting If the difference pressure from the radiator boiler circuit at the inlet and outlet of the BM mini is 10 kPa and the flow requirement of the BM mini is about 60 ...

Page 14: ...e 1 2 3 4 0 Remove protection cap Remove valve insert Use enclosed tool to adjust the pre setting of the mi xing valve Screw valve insert in again Room Temperature Setting approx values for BM mini KF only 1 3 5 6 7 8 9 6 C 10 C 14 C 18 C 20 C 22 C 24 C 26 C ...

Page 15: ...left of to the right side The screws for the mounting of the BM mini to the wall bracket are enclosed Installation of the BM mini only with horizontal pump Mixing valve and venting device have to show upwards For a silencing of the sound the enclosed rubber bumpers have to be used between mounting bracket and wall or if mounted in a cabinet between mounting bracket and fixation rails ...

Page 16: ...16 Installation and operation manual BM mini www laing de Dimensional drawing Pump curve 265mm Depth 90 mm ...

Page 17: ...www laing de 17 www laing de Installation and operation manual BM mini 230 V 230 V Black brown blue green yellow 230 V Room stat Laing RTS 1 3 Pump Electrical connection BM mini KF ...

Page 18: ... 230 V Electrical actuator Pump Room stat Laing RTS 1 3 230 V Electrical connection BM mini RT continuous operating of pump Electrical actuator Room stat Laing RTS 1 3 230 V Electrical actuator Pump Room stat Laing RTS 1 3 230 V Electrical connection BM mini RT pump also switched off by room thermostat ...

Page 19: ...230 V Black brown blue green yellow 230 V Room stat Laing RTS 1 3 Pump Electrical connection BM mini KR continuous operating of pump Electrical connection BM mini KR pump also switched off by room thermostat 230 V black brown blue green yellow 230 V Room stat Laing RTS 1 3 ...

Page 20: ...ditional locations in the US Japan and Hungary and with worldwide nearly 500 employees Today our production range includes Pumps shaftless spherical motor pumps Heating controls Floor heating system connection Electrical heaters Special OEM products We are your flexible and competent partner for pumps and heating products Try the high standard of our quality production About us Laing GmbH Systeme ...

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