Outdoor units
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ACU kit (AHU Control Unit)
Capacity (kBtu/h) 24 36 36 48 60
Image
Model
CXH24UPB
(AC024BXUPCH/AA)
CXH36UDB
(AC036BXUDCH/AA)
CXH36UPB
(AC036BXUPCH/AA)
CXH48UPB
(AC048BXUPCH/AA)
CXH60UPB
(AC060BXUPCH/AA)
Model MXD-U000XN
Image
5
English
Before Installation
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
7 for the circuit diagram for the AHU Control Unit (ACU).
Structure Diagram of the AHU Control Unit (ACU)
Outdoor Unit
24 VAC Thermostat (field supplied)
AHU Control Unit
Third-party Indoor Unit
(AHU, Furnace + A-coil etc.)
Before Installation
DB68-12061A-00_IM_ACC NEW AHU Control Unit_AA_EN_.indd 5 2022-10-26 오후 3:16:10