Before Installation; Functions Of The Ahu Control Unit (Acu); Structure Diagram Of The Ahu Control Unit (Acu) - Samsung MXD-U000XN Installation Manual

Before Installation

Functions of the AHU Control Unit (ACU)

• The AHU Control Unit (ACU) controls the system based on input signals from a 24VAC thermostat.
• The AHU Control Unit (ACU) provides 24 VAC output signals for the thermostat to the third-party indoor unit. See page
8 for the circuit diagram for the AHU Control Unit (ACU).

Structure Diagram of the AHU Control Unit (ACU)

Outdoor Unit
6 English
AHU Control Unit
24 VAC Thermostat (field supplied)
Third-party Indoor Unit
(AHU, Furnace + A-coil etc.)