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MicroTech III Unit Controller with Optional ECM Motor, Desuperheater,
and I/O Expansion Module 208/230/460/60/3-Phase
Drawing No. 668991401
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.
OM 931-6 • MicroTech III Unit Controller for WSHP
24
www.DaikinApplied.com
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