21
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420010930200
STARTUP
Select the gas operation in order to proceed with start up on the gas side. On the selector put the operation on minimum capacity.
!
KMV contactor:
check the air fan motor rotation.
If not correct invert the two phases on the power supply.
Adjusting the maximum air flow rate
KMV
Firing head setting
Air and Gas adjustment are accomplished through LAMTEC
parameters setting. Refer to LAMTEC manual attacched.
The firing head is pre-adjusted at the 50% from the factory. The
setting fully open enables to reach the full power of the burner
and full close to reach the minimum power of the burner.
The optimal position depends on the output that we need to
reach but the default setting shall be modified only when you are
not able to reach the suggested combustion value by adjusting
the air flow in the maximum flame.
–
+
B
+
--
START UP THE BURNER
The control box starts the pre-purge cycle, the fan motor and opens the air flaps in full open position.
At the end of pre-purging, the control box drives the servomotor into the ignition position and starts the ignition transformer.
After a few seconds the control box opens the main valves and the burner goes in the low flame.
In case of faulty igniton, the control box switches the burner into safety condition, in such a case you must rearm the burner.
Gradually increase burner output from the low flame to the high flame and set gas servomotor curve in order to have
a stable flame. Refer to LAMTEC manual attacched.
Servomotor STE... Air damper motor presetting
Air adjustment is accomplished through LAMTEC parameters setting. Refer to LAMTEC manual
attacched.
MAIN SWITCH
0 - OFF
1 - ON
SAL
0
1
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