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4.3.2. aiM 115 M/S and aiM 150 M/S
Minimum capacity adjustment: In order to make the minimum capacity adjustment, first of all the control
valve plug must be de detached.
opens, countercockwise closes), so the minimum (low fire) gas flow setting can be done. This setting also
determines the start up combustion harshness also with the gas downstream pressure value. Turning of the
fillister headed adjustment screw sets the minimum, and the slotted head screw (located upper when
looking to the valve from the top) sets the maximum gas flowrate. The fillister headed screw shifts the gas
outlet pressure value v.s. valve opening in parallel neither than slope adjusting like the slotted one does.
Rev: RINNAI Service manual (English)
Date:14/05/2019
63
clockwise
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