Unical MODULEX EXT Series - Measurement of Combustion Efficiency During Installation; Activation of the Calibration Function

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Installation instructions
ENGLISH
The following instructions are intended exclusively
for authorised service personnel.
3.13 - ADJUSTING THE BURNER
All boilers leave the factory already calibrated and
tested, however, if required, recalibrate the gas
valves (MODULE 1, MODULE 2, etc.)
A
B
B
B
ATTENTION!
To access the gas valves more easily, release the electrical panel
“A” by means of the springs “B” (right and left).
Slightly turn the electrical panel ”A” and lower the tilting panel
“C”.
Fix the tilting panel “C” for the time necessary for the adjustment
operation, using the 2 M4 screws + washers ”D” (contained in
the documentation bag).
A
C
D