Page 40
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ty exhaust damper and economizer and is used in down-
exhaust air pressure relief and also runs when return air
dampers are closed and the supply air blower is operat-
ing. See installation instructions for more detail.
Locate the A6 enthalpy control in the control area. The EXH
-
-
when excessive condensate collects in the drain pan. The
-
-
de-energized. Once the condensate level drops below the
compressor will be energized.
A6 ENTHALPY CONTROLLER
A
B
C
D
Open
Min
Pos
Free
Cool
DCV
EXH
EXH
Set
2V 10V
DCV
Max
2V 10V
DCV
Set
2V 10V
ADJUST POWER
EXHAUST FAN
SETPOINT
ENERGIZED WHEN
DAMPER POSITION
IS HIGHER THAN
EXHAUST FAN
SETPOINT
FIGURE 24
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