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NOTE: If accessory electric heat is installed in the unit,
the dry airflow must meet or exceed the minimum airflow
specified in Table 2 for the specific size. Use Table 4 to
determine dry airflow for a known external static
pressure. Electric heat fan speed is the same as high
stage cooling fan speed.
FIGURE 13
LEGEND
HPS – High Pressure Switch
LCS – Loss of Charge Switch
Accurater
Arrow indicates direction of flow
FIGURE 14
16
Typical Heat Pump Operation - - Cooling Mode
OUTDOOR COIL
HPS
Metering Device
Metering Device
®
Interface Fan Board
Continuous Fan Operation
The continuous fan operates at the same fan speed as
low stage cooling fan operation.
Metering
Position
LCS
Bypass
Position
INDOOR COIL
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