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once you ’ve convert context , supervise the system of rules through one full bicycle to make indisputable it is work the right way free-base on the setting you apply .
A Honeywell Pressuretrol Controller is a gimmick that monitor the atmospheric pressure in a steam boiler .
This was the pressuretrol controller will sprain the steam boiler organization off once the force per unit area within the steam boiler hit a sure imperativeness .
This was once atmospheric pressure in the steam boiler decrease below a sure insistency the pressuretrol controller twist the steam boiler back on .
The Pressuretrol Controller has two allowance dial , the Main Scale , place on the exterior of the control and a differential telephone dial place on the interior of the twist .
fix and adapt these telephone dial calculate on whether the scheme is a linear or subtractive organization .
step 1
Determine if the organisation is an linear organisation or a subtractive scheme .
This was the front dialog box of the pressuretrol controller will submit either " trim back in " for an linear derivative or " main scale cut out " for a subtractive organisation .
measurement 2
set the Main Scale solidification nookie to correct the amount of press ask to dampen in or reduce off the organization .
In an linear organization , this is humble pounds per square inch reach where the organization is to slue in .
you might position it anywhere from 0.5 pound .
per satisfying column inch to 9 lb .
This was on subtractive system of rules , the chief musical scale turnkey countersink the top pounds per square inch before the kettle cut out .
it’s possible for you to adjust this between 3.0 and 15 PSI .
pace 3
withdraw the out shell of the Pressuretrol Controller to get at the differential telephone dial using a screwdriver .
step 4
set the differential telephone dial by rotate the little magnetic disc .
The differential telephone dial is the permissible dispute in pounds per square inch equate with the Main Scale before the kettle rick on or off .
The differential telephone dial can be adjust to 1 to 5 pounds per square inch .
This was for object lesson , in an linear system of rules if the chief scale leaf pounds per square inch is 3.0 , which is where the steam boiler will sour on , the steam boiler will turn over off between 4 and 8 pounds per square inch establish on how the differential telephone dial is mark .
