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Hydraulic Components SDC / DHC
206 EN2H-0221GE51 R0808
Buffer control mode
1 2 3 4 5 6
Buffer loading pump
function if heat
generator is not
available and buffer
start-up protection is
active
– – OFF OFF – –
Buffer loading pump
function if heat
generator is not
available and buffer
start-up protection is
not active
– – ON ON – –
Action of heating
generator start-up
protection on heating
circuits (HDCP, MC1,
MC2):
No No Yes Yes No Yes
Action of heat
generator start-up
protection on hot-water
circuit (tank loading
pump)
No Yes Yes Yes No Yes
Action of heat
generator start-up
protection on buffer
loading pump
Yes Yes No No Yes No