IX--Multi-Staged Blower
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B-Set Maximum CFM
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section.
C-Set Blower Speeds
1 -
RTU MENU > RTU OPTIONS > BLOWER > SPEED
2 -
Blower /
Heat CFM
Cooling High CFM
Cooling Low CFM
Vent CFM
D-Set Damper Minimum Position
The Unit Controller will open the damper to “Min OCP Blwr
High” when blower CFM is at or ABOVE the “midpoint”
CFM.
The Unit Controller will open the dampers to “Min OCP
Blwr Low” when blower CFM is BELOW a “midpoint” CFM.
stages.
Set Minimum Position 1
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RTU MENU > SETTINGS > RTU OPTIONS > DAMPER
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appears.
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Note - Intake air CFM can also be determined using the
outdoor air temperature, return air temperature and mixed
air temperature. Refer to the economizer or outdoor air
damper installation instructions.
Set Minimum Position 2
RTU MENU > SETTINGS > RTU OPTIONS > DAMPER
-
appears.
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Note - Intake air CFM can also be determined using the
outdoor air temperature, return air temperature and mixed
air temperature. Refer to the economizer or outdoor air
damper installation instructions.
E-Inverter Bypass Option
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SETTINGS > RTU OPTIONS > BLOWER > VFD BYPASS
SETUP > INSTALL
CONFIGURATION ID 1
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pass option.
Press SAVE
Caution - Units not equipped with an inverter will have the
6th character set to “N”, indicating the inverter is not by-
passed. The blower motor could be damaged and/or result
in product or property damage if the setting is changed to
automatic or manual.
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