Advertisement
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. Jump-
ers 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
Advertisement
