-
verification of combustion and efficiency parameters;
-
verifying safety in the absence of gas;
-
verification of plumbing system pressure;
-
inspection of expansion vessel;
-
verifying operation of temperature control and safety thermostats;
-
checking operation of the recirculation pump;
-
checking for leaks (even minimal) of gas from the system, and of combustion gases from the damper or the
boiler-flue connector;
-
checking the gas flow rate;
Do not clean the appliance and/or parts with readily inflammable substances (e.g. petrol, alcohol, etc.)
Do not clean panels, painted parts and plastic parts with paint thinners.
Panels should be cleaned with soapy water only.
KNOB ASSEMBLY INSTRUCTIONS
If the electronic display board (A) is replaced, the knobs and the control board must be correctly positioned
during reassembly.
Before reassembling the new display board, zero set the potentiometers (trimmers) by turning anticlockwise as
illustrated in the figure:
(A)
LD1
Turn the trimmers to zero set.
P1
U1
R05
Red Led
P2
R1
R01
R2
R02
R3
R03
R4
R04
R6
R5
LD3
Green Led
P3
J1
LD2
Yellow Led
40
Potentiometers