34
AGUADENS
COSMOGAS
6.4 - Conversion of the appliance
from one type of gas to another
ATTENTION !!! Read these instructions carefully
before changing the gas:
- The gas appliance must be installed, calibrated or
modified by specialised staff in compliance with legal
terms;
- Check and be certain that the type of gas which
is powering the appliance is compatible with the
adjustment kit in your possession;
- Do not power the appliance with gases different from
those envisioned.
Follow the instructions given below to change the gas:
1 - disconnect the electric power supply upstream from the
appliance;
2 - open the appliance casing as reported in chapter 8.2;
3 - access the control and command board as reported in
chapter 8.2;
4 - move the microswitch “B” from left to right to the “ON”
position (see figure 6.5);
5 - apply electric power to the appliance;
6 - the parameter
3001
will appear on the appliance’s
visual display, followed by its value;
7 - using the
and
keys, access the
parameter
3002
;
8. - press the RESET key to make the
3002
parameter
flash;
9. - using the
and
keys, set the value of
the parameter
3002
to the new corresponding value
according to the table in figure 6.7.
10. - press the RESET key to confirm the modification.
11.- remove voltage from the appliance, re-position the
microswitch “B” from right to left in “OFF” position (see figure
6.5).
12. - close the gas supply;
13. - remove the air manifold making sure to turn it
externally and then slide it out of the fan inlet (see figure
6.2, detail “C”);
15. - remove the gas inlet pipe via the two fittings (see
figure 6.2, details “H” and “L”);
16. - remove the clamping spring “M” from the seat “N”
releasing the valve “P”(See figure 6.3);
17. - slide the gas valve “P” out upwards;
18. - replace the gas nozzle “R” (see figure 6.4) with an
appropriate one according to that stated in figure 6.7
under “Diameter of the gas nozzle”;
19. - remount the gas valve (see figure 6.3, detail “P”),
making sure to reposition the spring “M”.
20. - remove the gas supply pipe via the two fittings (see
figure 6.2, details “H” and “L”);
21. - re-mount the air manifold (see figure 6.2, detail “C”);
22. - open the gas isolation valve;
23. - check for gas leaks an all joints.
ATTENTION !!! Perform the gas leak test according
to that established by the current Standard and only using
soapy water. The use of naked flames is prohibited.
G
L
E
A
D
B
H
F
C
020003.01.040
N
Q
O
P
M
020003.01.41
R
020002.01.042
Figure 6.4 - Replacing the gas nozzle
Figure 6.3 - Removing the gas valve
Figure 6.2 - Removing the air manifold
6 - OPERATING
