Download Process Fluid Chiller
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Figure 3D Electronic hot gas bypass control board connections The sensor, 24 VAC power, and the electronic valve are factory-wired to the control board. Jumpers are factory-set to the following pins: P7—Temperature sensor enable selector P9—“Close on rise” logic selector P12—Valve selector In addition a jumper can be field installed on the following pins to troubleshoot operation of the valve: P5—Force valve open: valve opens and remains open as long as jumper is installed P6—Force valve closed: valve closes and remains closed as long as jumper is installed 18D Maintenance