Sime RX Series - Description of the Boiler

45
1 DESCRIPTION OF THE BOILER
1.1 INTRODUCTION
The new series of “RX” gas-fired hea-
ting boilers has been designed and
manufactured to ensure maximum
user-friendliness and to ease both the
installation and the maintenance ope-
rations for the installer.
They comply with the european directi-
ves 90/396/CEE, 89/336/CEE,
92/42/CEE, 73/23/CEE and the
europen specification EN 297.
These appliances can be fired by natu-
ral gas (methane) and butane gas
(G30) or propane gas (G31).
This manual contains the instructions
for the following boiler models:
– “RX 19÷55 CE” with piezoelectric
ignition
– “RX 19÷55 CE IONO” with electro-
nic ignition and flame ionization
– “RX 19-26 PVA CE” with pump,
expansion vessel and piezoelectric
ignition
– “RX 19-26 PVA CE IONO” with
pump, expansion vessel, electronic
ignition and flame ionization.
The instructions given in this manual
are provided to ensure proper installa-
tion and perfect operation of the
appliance.
1.2 DIMENSIONS
1.2.1 “RX 19-26” versions
1.2.2 Versión “RX 37÷55”
Fig. 1
Fig. 1/a
R
C.H. return 1
1
/
2
”
R1 C.H. return (“PVA” vers.) 1”
M C.H. flow 1
1
/
2
”
G Gas connection 1/2”
C1 Filling connection 1/2”
19 26
P mm 595 720
D mm 130 150
R C.H. return (“37-48” vers.) 1
1
/
2
”
C.H. return (“55” vers.) 1
1
/
4
”
M C.H. flow 1
1
/
2
”
G Connection gas 3/4”
C1 Filling connection 1/2”
37 48 55
P mm 670 770 870
H mm 1435 1435 1675
Z mm 245 295 345
D mm 180 180 200