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To Select Dehumidification (programmable -- between NORMAL, COOL TO,
and OFF)
Press the soft key below the dehumidify icon button to bring up dehumidify
selections. Dehumidify options are only available when in Cooling mode. When
system is in AUTO mode, dehumidify options are available if the last system
operation was a call for cooling.
To Select Dehumidification (non--programmable -- between NORMAL, COOL
TO, and OFF)
Press the features button three times. The first press displays the outdoor air
temperature, the second press displays the humidify options and the third press will
display the current dehumidify selections.
The mode button is used to cycle through the dehumidify selections.
Additional Dehumidify Comments
Dehumidification can be enhanced (with some efficiency loss) by turning blower
off immediately at the end of each cooling cycle (eliminating normal 90 sec blower
off delay). Where maximum humidity removal is desired, this should be done. Fan
coils have the capability of removing this off delay. On FK or FV Fan Coils, set
delay tap to 0/0. On standard fan coils, a jumper can be cut to disable off delay.
Refer to fan coil Installation Instructions for details. If FAN is set for continuous
operation (fan On icon displayed), G output is turned off for 5 minutes at the end of
each cooling cycle as long as dehumidify demand exists.
Like humidify, dehumidify actions are initiated when humidity is 1% above setpoint
and are terminated when humidity drops to 1% below setpoint. This prevents
unnecessary toggling of dehumidify actions when humidity is near setpoint.
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