flamco MeiFlow M LFC Instrucciones De Montaje página 15

Contents
1. Safety instructions ......................................................................................................................... 16
1.1 Regulations/guidelines .......................................................................................................... 16
1.2 Intended use .......................................................................................................................... 17
1.3 Commissioning ...................................................................................................................... 17
1.4 When working on the system................................................................................................ 17
1.5 Liability .................................................................................................................................. 17
2. Devices and functional description ............................................................................................... 18
2.1 Functional description ........................................................................................................... 18
2.2 Differential temperature dependent calculation of pump output ....................................... 18
3. Set-up of the pump groups ........................................................................................................... 19
3.1 Visual representation ............................................................................................................ 19
3.2 Dimensions and components V-PG, DN 32 ........................................................................... 20
3.3 Dimensions and components FL-PG, DN 40, 50 and 65 ........................................................ 21
4. Optional accessories ...................................................................................................................... 22
4.1 Wall brackets for pump groups DN 32 - 65 ........................................................................... 22
4.2 MeiTronic LFC - electrical switching and cabling plans ......................................................... 23
4.2.1 Block plan: General representation ............................................................................... 24
4.2.2 Block plan for unmixed pump groups ........................................................................... 25
4.2.3 Block plan for mixed pump groups, servomotor at 230 V ............................................ 26
4.2.4 Block plan for mixed pump groups, servomotor at 24 V .............................................. 27
Acronyms
FL Flow line
RL Return line
UC Unmixed heating circuit
MC Mixed heating circuit
PG Pump group
dP Differential pressure
AT Outside temperature sensor
RV Backflow preventer
Last updated: Oct-20
PG MeiFlow M LFC -ENG- Page 15