Immergas 3.025499, Instruction And Recomendation Booklet

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1.2 MAIN BOILER DIMENSIONS.
Key:
RP - Return to solar panels G 3/4”
MP - Flow from solar panels G 3/4”
RB3 - Zone 3 low temperature system return G 1” (optional)
MB3 - Zone 3 low temperature system flow G 1” (optional)
RB2 - Zone 2 low temperature system return G 1”
MB2 - Zone 2 low temperature system flow G 1”
RA1 - Zone 1 high temperature system return G 3/4”
MA1 - Zone 1 high temperature system flow G 3/4”
G - Gas supply G 1/2”
AC - DHW output G 3/4”
AF - DHW inlet G 3/4”
RC - Recirculation G 3/4” (optional)
MHT - Flow from heat pump G 3/4”
RHT - Return to heat pump G 3/4”
V - Electrical connection
SC - Condensate drain (min. internal diameter Ø13 mm)