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EFF 350 -- fixed airflow used to achieve specified ratings –
no dehumidification airflow reduction. This is nominally 350
CFM/ton, but will vary if a 2--stage outdoor unit is used.
MAXIMUM
-- 400 CFM/ton. No dehumidification airflow re-
duction.
Multistage Heat Pumps Cooling Airflow
COMFORT (default)
-- cooling airflow is varied depending on
humidity and temperature demands settings. This selection en-
ables the full dehumidify and comfort capabilities of the system.
When COMFORT is not selected, the unit will not run reduced
airflows for dehumidification.
EFFICIENCY
-- Airflow to achieve specific ratings. At maxi-
mum stage, this is nominally 350 CFM/ton, but will vary with
stage and outdoor temperature.
MAXIMUM
-- 400 CFM/ton.
Dehum Airflow
NORMAL (default)
-- When equipment is running to dehu-
midify, the airflow is allowed to adjust to a minimum to satisfy
the dehumidification call.
HIGH
-- Minimum airflow during the dehumidify mode is in-
creased to reduce duct and register sweating.
Furnace Airflow (Capacity) Limiting
The following settings allow t he installer to restrict the fur-
nace within certain minimum and maximum airflows. These
airflows are converted to capacities. T he Min and Max limits
are determined by the equipment size.
Min CFM (only appears with modulating
furnaces)
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