Baxi 45 HTE Installation, Operation And Maintenance Manual page 60

Proceed as follows to adjust the single gas valve:
• Insert the fume analysis probe into the fume sampling hole as instructed in section 17 (figure 15).
• Switch on the boiler, activating the "setting function" from the control panel by pressing and holding the
and keys simultaneously until the symbols are displayed, positioned as illustrated in figures
13a and 13b.
• Press the key to set the max­imum heat output, with the display showing 100% (figure 13a).
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 above.
• turn the gas valve adjuster screw V so as to set the Co
and in table 2.2 for propane gas (lpG):
- Turn the screw anti-clockwise to increase the CO
- Turn the screw clockwise to decrease the CO
• Press the key to set the minimum heat output, with the display showing 0% (figure 13b).
• remove the protection cap and turn the gas valve adjuster screw K so as to set the Co
in table 2.1 for natural gas (G20) and in table 2.2 for propane (lpG):
- Turn the screw clockwise to increase the CO
- Turn the screw anti-clockwise to decrease the CO
⇑
Figure 13a
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:
• Screw 5 turns the adjuster screw (V).
• Set parameters 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.
IstructIons pErtaInIng to thE InstallEr
values as indicated in table 2.1 for natural gas (G20)
2
level.
2
level.
2
level.
2
level.
2
Figure 13b
gas conversion
60
values as indicated
2
⇑
912.403.1 - IE