Sime RS 10, Installer'S Instructions

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57
4.1 GAS VALVE
The “RS” boilers come equipped stan-
dard with a HONEYWELL gas valve
with the following attachment diame-
ters (fig. 17):
–V4085A 1” models fr om
“RS
6÷10” ;
–V4085A 1
1
/
2
” models from “RS
11÷14” .
NOTE: On the slow-opening regulator
(accelerator 5) there is a seal that
must not be tampered with in any
way; otherwise the valve warranty
will be rendered null and void.
4.1.1 Rectified connector
The electric operator of the valve
V4085 is supplied by a rectified con-
nector (code 6243600), which, in
the event of breakage, must be
replaced. To replace it, follow the
instructions of fig. 18.
4 USE AND MAINTENANCE
KEY
1 Electric operator
2 Pressure-regulator coil
3 Pressure inlet
4 Attachment flanges
5 Slow-opening regulator
(accelerator)
Fig. 17
KEY
1 Electric operator
2 Rectified connector
Fig. 18
5000 10000 19000
15000 26000
100
300
500
700
∆
p in mm H
2
O
PORTATA in l/h
1
2
3
4
5
6
7
8
9
1 RS 107 - RS 6
2 RS 129 - RS 7
3 RS 151 - RS 8
4 RS 172 - RS 9
5 RS 194 - RS 10
6 RS 215 - RS 11
7 RS 237 - RS 12
8 RS 258 - RS 13
9 RS 279 - RS 14
Fig. 16
3.4 LOSS OF HEAD
FLOW RATE in l/h