2
INSTALLATION
The. boiler. must. be. installed. in. a. fixed.
location. and. only. by. specialized. and.
qualified. firms. in. compliance. with. all.
instructions.contained.in.this.manual..
Furthermore,.the.installation.must.be.in.
accordance. with. current. standards. and.
regulations..
WARNING: Before installing the boiler,
the installer MUST make sure that the
Single installation
with kit optional code 8101541
WARNING:
- I t is mandatory to arrange the thermal
system with the hydraulic separator.
- W hen replacing one or more boilers in
existing plants, it is advisable to install
a heat exchanger to separate the boiler
circuit from the secondary circuits. See
the pressure curve for the boiler supply
shown in figure 14.
Installation in sequence/cascade
C.H..return
R..
C.H..flow
M..
Gas.connection
G..
Condensation.outlet
S3.
M
R
wall can support the weight.
2.1
BOILER ROOM
The. boilers. MURELLE HE 70 R ErP. can.
be. installed. in. boiler. rooms. whose. size.
and. requirements. meet. current. regula-
tions.. Furthermore,. vents,. with. surface.
areas.at.least..3.000.sq..cm..or..5.000.sq..
C.H..flow
M.
.
R.2".(UNI-ISO.7/1).
C.H..return
R.
.
R.2".(UNI-ISO.7/1)..
M2. D.H.W..tank.flow
.
G.1".(UNI-ISO.228/1).
R3. D.H.W..tank.return
.
G.1".(UNI-ISO.228/1).
440,5
M2
268
cm. for. gas. with. density. over. 0.8,. must.
be. installed. in. the. outer. walls. for. room.
ventilation..
2.2
INSTALLATION
2.2.1 Single boiler (fig. 4)
A.single.function.compensator.kit.is.avai-
SOLUZIONE PER EXPORT
R3
207,5
450
R
330
S3
G
ES
PT
ENG
M2
M2
M
65
Fig..4
67
440