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INSTRUCTIONS PERTAINING TO THE INSTALLER
Proceed as follows to adjust the single gas valve:
,QVHUWWKHÁXHDQDO\VLVSUREHLQWRWKHÁXHVDPSOLQJKROHDVLQVWUXFWHGLQVHFWLRQÀJXUH
3UHVVDQGKROGWKH
and
keys on the control panel simultaneously for 7 seconds until the symbols
DSSHDU RQ WKH GLVSOD\ LQ WKH SRVLWLRQ VKRZQ LQ ÀJXUHV D DQG E
. You are now in ‘calibration
mode’.
3UHVVWKH
NH\WRVHWWKHPD[LPXPKHDWRXWSXWZLWKWKHGLVSOD\VKRZLQJÀJXUHD
Caution: in the event of the boiler failing to ignite, or when replacing the mixer / gas valve group, the
recommended procedure is to tighten the adjuster screw (V) fully and then back off 10 turns for natural
gas (G20) and 5 turns for propane gas (LPG), repeating the steps described below.
7XUQWKHDGMXVWHUVFUHZ
V
RQWKHJDVYDOYHXQWLO\RXDFKLHYHWKH&2
2
levels shown in
table 2.1 for natural
gas (G20) and in table 2.2 for propane (LPG):
7XUQWKHVFUHZDQWLFORFNZLVHWRLQFUHDVHWKH&2
2
level.
7XUQWKHVFUHZFORFNZLVHWRGHFUHDVHWKH&2
2
level.
3UHVVWKH
NH\WRVHWWKHPLQLPXPKHDWRXWSXWZLWKWKHGLVSOD\VKRZLQJÀJXUHE
Remove the protection cap and turn
the adjuster screw K
RQWKHJDVYDOYHXQWLO\RXDFKLHYHWKH&2
2
levels
shown in table 2:
7XUQWKHVFUHZFORFNZLVHWRLQFUHDVHWKH&2
2
level.
7XUQWKHVFUHZDQWLFORFNZLVHWRGHFUHDVHWKH&2
2
level.
GAS CONVERSION
IMPORTANT:
in the event of converting the boiler from natural gas (G20) to propane (LPG), the following
operation must be carried out before proceeding to adjust the gas valve as described above:
r 4DSFXUVSOTUIFBEKVTUFSTDSFX 7
r 4FUQBSBNFUFST
H536 - H541 - H608 - H609 - H610 - H611 - H612 - H613
by way of the display on the
control panel.
The values to be set are given in tables 2.1 and 2.2. The programming methods are described in chapter 14.
Figure 15a
0307_2201
Figure 15b
0502_21
10