HK 50 M – HK 10M – HK 100S SERVICE BULLETINAPPENDIX F- PUMPSBoiler max. Water pressure 6 m WSSPump circulation min: 2 m3/hr (For each pumpSZ1 (High heating circuit flow sensor), SZ2 (Low heating circuit flow sensor) and SB (Boilersensor) cables are connected together before entering into the boiler. SE outdoor air sensor comesas a separate line.PB: Boiler pumpPZ1: High temperature heating circuit installation pumpPZ2: Low temperature heating circuit installation pumpV2_ Two-way valvePump Type A Under device pump curves (Pressure-Flow Rate)Service Administration 107 03/2010
