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SDi Decades Extreme Service Manual www.ecoer.com
May. 2023Manufacturer reserves the right to change specifications or designs without notice.
Full Multi-position installation
• This AHU is capable of upflow, downflow, horizontal left, or horizontal right configurations.
Installation Convenience
• It simplifies the airflow volume adjustment process and saves lots of installation efforts. The traditional
adjustment method needs the installers to manually set the motor speed, according to the installation
instruction and ducting design. It takes lots of time if this thing doesn’t go well and decreases the
marginal profits.
Easy Fault Code Checking
• Thanks to advanced mutual data communication technology, the AHU system can intelligently self-
detecting the failure cause and generate a corresponding code.
• Installer or user can easily check the fault code displayed on the electric function board by just opening the
lid.
• It helps you proactively determine the failure cause, prepare for repairing parts ahead of field
maintenance work, greatly improve the work efficiency.
Nitrogen Charge and Leakage Check Valve
• Ecoer AHU indoor unit is standard with Nitrogen injection to maintain positive pressure of the indoor unit. It
is easy to check from the check valve whether there is leakeage in the evaporator or not.
Automatic Airflow Adjustment
• During the operation, when the dust filter or evaporator is clogged with dust, the load of the system and
motor torque increases. The MPU(microprocessor) on the unit can detect this change and adjust the fan
speed to keep the CFM stable.
3. Indoor Unit-Air Handler
3.1 Feature
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