15
10) ONNECTION REPLACEMENT
The gas rings can be adapted for work with
different
gas
types
installing
connections
corresponding to each type of gas
.
To perform this
operation, it is necessary to remove gas ring
heads, using box wrench “В” loosen connection
“А” (refer to Fig. 15) and install the connection
corresponding to gas type, which is planned to be
used, instead it.
It is recommended to reliably
tighten the connection.
Upon performance of the above mentioned
replacement, the technician shall regulate gas
rings as described in para. 9, install seals on
available devices for regulation or preliminary
regulation and replace the label corresponding to
new regulation of gas supply to the product
This
label is in the bag for replaceable connections.
To simplify work of the installer, the table with
indication of power and heat capacity of gas rings,
connection diameters and operating pressure for
different gas types is given below
.
GAS RING ARRANGEMENT
TABLE
GAS RINGS
GASES
OPERATING
PRESSURE
mbar
HEAT
TRANSFE
R
CONNECTION
DIAMETER
1/100 mm
HEAT
TRANSFER
(W)
No.
DESCRIPTION
g/h
l/h
min
max
EE
gas ring*
2
DUAL
whole
BUTANE - G30
NATURAL GAS -
G20
30
20
436
571
2 x 80 B + 46 B
2 x 125 A + 71 A
3500
3500
6000
6000
56.4 %
DUAL
Central flame line
BUTANE - G30
NATURAL GAS -
G20
30
20
58
76
46 B
71 A
400
400
800
800
N.A.
*According to Regulation No. 66/2014 of European Union, which states the rules for application of
Directive 2009/125/CE, capacity (EEgas ring) was calculated according to EN 30-2-1, last revision for G-
20.
**Installation with bushing (B), if any (refer to Fig. 14/B).
MODIFICATIONS
