Connecting External Input/Output Signals - Mitsubishi Electric CITY MULTI PAC-AH001-1 Installation Manual

CAUTION
Do not route the thermistor cables together with power cables.

7.4 Connecting external input/output signals

The AHU controller is equipped with multiple signal inputs and outputs that can interface with 3rd party
peripherals and controls.
Connect the external inputs and outputs according to the table below.Route all wire through the holes in the
bottom of the AHU controller.
Loop the lead wires once through the cable strap to prevent slipping of lead wire.
Signal
Fan Speed
Signal Output
X: Relay (field supply)
V: Power source (field supply)
Max DC 30V/1A
Max AC 250V/1A
(within relay rating)
PAC-AH001-1
Connection Circuit
37
Signal Details
• AHU controller will output a fan
level signal corresponding to the
fan level set by the Mitsubishi
controller.(fan speed can only be
set with the Mitsubishi controller)
CAUTION
· Fan speed output
should only be used
as a signal to
interface with 3rd
party controls.
· Fan speed outlet
should not be used to
provide power to a
fan motor.
© 2017 Mitsubishi Electric US, Inc.