IBC AHU Series - Default Settings; Default Fan Speed Settings

Checking ducting connections Check
Duct insulation is installed and sealed as required.
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Inspect the filter, return air ducting and registers to ensure free air movement.
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Checking boiler / water heaters settings Check
Ensure the water temperature to the heating coil is sufficient to meet the heating demands of
the space.
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3.2 Default settings
The following table shows the factory-default settings.
Default Settings - Basic
Heating Mode 1 stage
Cooling Mode 2 stage
Boiler Heating 1 stage and 2 stage
Temperature °F
Pump Enable On
Tankless Mode On
3.3 Default fan speed settings
For the fan speed defaults and ranges, see the table below:
AHU - Fan speed Operation
W1 Heating stage 1 = 600 CFM Range 300-800
W2 Heating stage 2 = 800 CFM Range 300 – 1000 (must be ≥ than heating stage 1)
Y1 Cooling stage 1 = 700 CFM Range 300 – 800
Y2 Cooling stage 2 = 1000 CFM Range 300-1000 (must be ≥ than cooling stage 1)
G Fan on speed = 400 CFM Range 150-1000
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Section: Operation