In addition:
• The TH02 and TH05 thermistor wires from the A-Coil/Evaporator coil must be plugged in to the CN44
connector on the control board.
• The TH01 thermistor wires must be connected to connections 23B and 24B on the terminal block in the
PAA unit control box.
(See images "Field-installed connectors" and "Terminal block pins (out)" in the "PAA unit control box"
section.)
WARNING
Ensure that you comply with the following requirements. Otherwise, results such as
electric shock, fire or explosion may occur.
• Terminate all unused wires with individual wire nuts to prevent inadvertent short
circuits.
• Do not connect the unused lines together or to anything.
15.6. PAA unit control options
• MA remote controller
• IT terminal connection options
© 2022 Mitsubishi Electric US, Inc.
PAA-A18, 24, 30, 36, 42AA1/BA1/CA1
84
Specifications are subject to change without notice.