IOMM AGZB1 AGZ 010B through 034B 65
The valve is adjusted using the adjusting screw show in the drawing. The range is 0 to 100
psi with about 16 psi change for one turn of the screw. Turning clockwise will increase the
valve setting.
The load must be varied to properly set these valves. The load should be decreased so that
the suction pressure decreases. The valve is then adjusted to maintain the correct suction
pressure, which is the normal pressure at full load. The load should then be increases above
the valve setting so that it closes. Operation can be checked by again reducing the load and
noting when the valve opens (a hissing sound and/or pressure rise at the valve outlet
indicates that the valve has opened).
Figure 20, ACZ 033 - 039 Hot Gas Bypass Valve
Adjusting Screw
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