Installation and operation manual
for mixing set BM mini
Page 1: ...Installation and operation manual for mixing set BM mini...
Page 2: ...ture 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 boi...
Page 3: ...es 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 Tech...
Page 4: ...ct 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 Th...
Page 5: ...mperature 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 w...
Page 6: ...e 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 positi...
Page 7: ...l 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 loo...
Page 8: ...osition 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 close...
Page 9: ...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...
Page 10: ...nual 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 pic...
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: ...f 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 b...
Page 13: ...r 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 1...
Page 14: ...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...
Page 15: ...eft 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...
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 Ro...
Page 19: ...30 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 ther...
Page 20: ...itional 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 co...