Installation; Boiler Room - Sime MURELLE HE 50 R Manual De Usario

2

INSTALLATION

The boiler must be installed in a fixed loca-
tion 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.
2. 1

BOILER ROOM

The boilers MURELLE HE 50 R can be
installed in boiler rooms whose size and
requirements meet current regulations.
Single installation
with kit optional code 8101541
WARNING:
- It is mandatory to arrange the thermal
system with the hydraulic separator and
safety devices.
- When replacing one or more boilers in exi-
sting plants, it is advisable to install a
heat exchanger to separate the boiler cir-
cuit 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
Furthermore, vents, with surface areas at
least 3.000 sq. cm or 5.000 sq. 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 availa-
ble upon request: cod. 8101541.
The kit is for use on an accumulating boiler
with capacity equal to or greater than 80
M C.H. flow
R 2" (UNI-ISO 7/1)
R C.H. return
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
litres.
2.2.2 Sequence/cascade boilers
(fig. 4 - fig. 4/a)
For sequence/cascade installations using
polypropylene smoke collectors with a cla-
pet valve, every single boiler that makes up
the heating system must have the following
installation parameters modified:
- PAR 1 = 6 (for G20 NATURAL GAS boi-
lers)
- PAR 1 = 14 (for G31 PROPANE boilers)
R3
207,5
450
M2
R M
330 65
S3
G
ES
PT
ENG
Fig. 4
75