Figure 38: MicroTech III Unit Controller with EC Motor and Optional Communication Module – 460-60-3 Unit Sizes 024-070
Drawing No. 910102101
Wiring diagrams are typical. For the
latest drawing version refer to the wiring
diagram located on the inside of the
controls access panel of the unit.
Note: Gray tinted areas in the wiring diagram: Units with factory installed communication module include Discharge Air Temperature (DAT) and
Return Air Temperature (RAT) sensors shipped loose and are field installed. The Leaving Water Temperature (LWT) sensor is factory installed.
Entering Water Temperature (EWT) sensor is included with ECM and/or Secondary Electric Heat.
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