Gas Connection - SBM XFR Series Installer's Instructions

2.9 Gas connection

BEFORE INSTALLATION, CHECK THAT LOCAL CONDITIONS OF SUPPLY, GAS TYPE / PRESSURE AND
 Gas supply piping must not produce any stress on the injector block
(Use preferably a metalic flex 12 Gf)
 MEDIUM PRESSURE GAS SUPPLY
A VALVE DN15 SS PDC E/S Rp1/2
B UNION FITTING R1/2m-G1/2m
DF64 G1/2 G31-37 4KG/H
C
DF64 G1/2 G20-20 3M3/H
D
FLEXIBLE HOSE G1/2f 1250mm
EQUIPMENT SETTINGS ARE COMPATIBLE.
Gas supply pressure P
G
(see tables on page 4).
GAS
G20
G31
Single speed installation
greater than heater nominal inlet pressure
GAS SUPPLY PRESSURE
200 mbar to 1.5 bar maxi
500 mbar to 1.5 bar maxi
D C
A
B
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