General information
14
OPERATING PRESSURE SWITCH
Device that controls the generator pressure and keeps it within the preset value.
Instructions for calibration
The electric switch has three screws (1-2-4 from left to right). Upon reaching the set pressure the contact 1-2 is switched into
contact 1-4.
Pressure switch calibration
–
Rotate the knob (1) until setting the index of the scale (2) to the pressure value at which you wish the burner to restart.
–
Remove the cover of the pressure switch and set the drum (3) to the value selected for the differential (burner stop) based on
the “Scale of the differential regulation disc”.
Scale of the differential regulation disc
Example
Pressure switch type:
RT 5
Scale index:
9 bar
Drum index:
4 corresponding to 2.1 bar
Burner start:
9 bar
Burner stop:
11.1 bar
1
2
3
Cooke Industries - Phone: +64 9 579 2185 Email: [email protected] Web: www.cookeindustries.co.nz
