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LGT/LCT036, 048, 060, 072
FIGURE 20
LOCATION OF STATIC PRESSURE READINGS
SUPPLY AIR
READING
LOCATION
SUPPLY
RE
TURN
INSTALLATIONS WITH DUCTWORK
SUPPLY
RE
TURN
INSTALLATIONS WITH CEILING DIFFUSERS
MAIN
DUCT RUN
FIRST BRANCH
OFF OF MAIN RUN
DIFFUSER
ROOFTOP UNIT
ROOFTOP UNIT
SUPPLY AIR
READING
LOCATION
RETURN AIR
READING LOCATION
RETURN AIR
READING
LOCATION
C-Adjusting Unit CFM
The supply CFM can be adjusted by changing Unit
Controller settings. Refer to table 4 for menu paths and
default settings. Record any CFM changes on the
parameter settings label located on the inside of the
compressor access panel.
IMPORTANT - The default value for Cooling Low CFM
is lower than a traditional singe- or two-speed blower. If
operating the unit with a 2- or 3-stage controller (2- or
3-stage thermostat, DDC controller, etc.), it is
recommended to increase the Cooling Low CFM
default value to a suitable level for part load cooling
(typically 60% of full load CFM).
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