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8.0 VERIFYING I/O AND UNIT WIRING
All of the I/O values should be verified and calibrated, if necessary.
8.1 VERIFYING ALL I/O THROUGH UNIT STATUS SCREENS
All of the individual I/O are able to be viewed in one place by pressing “ENTER” when on this
screen, which is located toward the and of
Unit Status
.
There will be individual screens for each input and output. Several examples are shown.
8.2 CALIBRATING I/O
For a temperature sensor that may have run a long distance or a humidity sensor with a reading
that may have drifted over time, a calibration may be necessary. There is a screen such as the
one shown for each sensor and transducer. The current value at the top will reflect the change
with the offset that is set in this screen.
8.3 GENERAL UNIT CONTROL WIRING
The following tables and diagrams show the general unit control wiring for the ERV units. A
unit-specific electrical schematic is found inside the access door to the core module.
I/O AND UNIT WIRING
8.3.1 Sensor Inputs
Sensors in Grey are optional, and field-installed.
