MP–129 Series Water-Saver
350545 4–5
M/C 3500 and 3600 TOOLS REQUIRED
• 0 to 50 psia pressure meter accurate to ±0.05 psia. (Must be an absolute
pressure meter.) Refer to Appendix B in the Sterilizer Service Manual.
• 120VAC volt meter or test lamp.
SHOCK HAZARD: AC line voltage is present on the pressure
switch terminals. Turn OFF power to the sterilizer when
connecting the test lamp and adjusting the pressure switch.
PROCEDURE
1. Connect the pressure meter to the pressure meter
connection on the sterilizer control box.
Air should be used to pressurize the chamber when
making the pressure switch adjustment.
2. Raise the sterilizer control bezel and open the control box.
Switch the controls switch on the control PC board from
AUTO to MANual. Using the necessary dip switch,
pressurize the sterilizer chamber to 2 psi above
atmospheric.
3. Connect the voltmeter or the test lamp between the
common (C) and the normally closed (NC) terminals on the
water-saver pressure switch (see Figure 4–1on page 4-4).
4. Using the adjustment screw on the pressure switch, adjust
the pressure switch so the voltmeter reads no continuity (or
the test lamp goes OFF) when the pressure gauge reads 2
psi above atmospheric.
WARNING
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