Immergas Magis Combo 12 Plus V2 I Instructions And Recommendations page 20

1.9 HYDRAULIC CONNECTION
Before connecting the Indoor Unit, in order not to invalidate the warranty, carefully wash the heating system (pipes, heating
bodies, etc.) with special pickling or descaling agents capable of removing any residues that could compromise the proper func-
tioning of the Indoor Unit.
Key (Fig. 11):
V - Electric connection
G - Gas supply
RU - Storage tank unit return
MU - Storage tank unit flow
RR - System filling
SC - Condensate drain (minimum internal diameter Ø 13 mm)
R - System return
M - System flow
20 Magis Combo 12/14/16 Plus V2 I
1
3
V
GP
LP
GP
LP
2
SC
MU
RU
M
G
R
RR
G
RR
MU
RU
LP - Chiller line - liquid phase
GP - Chiller line - gaseous phase
1 - System filling valve
2 - System draining valve
3 - Storage tank unit bypass pipe, to be used only in case of heat
generator operating in room heating mode only
ST.008706/000
M
R
11