Data Aire dap4 User Manual page 91

Dehumidification Operation (continued)
On/Off Compressors Controlling Dew Point: In Dew Point control mode,
compressors are staged according to dew point, but the relative humidity level is
also factored as well.
When dew point or humidity is increasing:
Stage 1 ON at High DP Setpoint
or if R.Humidity is above Setpoint + Deadband
Stage 2 ON at High DP Setpoint minus 0.2°F
or if R.Humidity is above Setpoint + Deadband + 1%
Stage 3 ON at High DP Setpoint minus 0.4°F
or if R.Humidity is above Setpoint + Deadband + 2%
Stage 4 ON at High DP Setpoint minus 0.6°F
or if R.Humidity is above Setpoint + Deadband + 3%
When dew point or humidity is decreasing:
Stage 4 OFF at High DP Setpoint minus High DP DB minus 0.6°F
and if R.Humidity is below Setpoint + 3%
Stage 3 OFF at High DP Setpoint minus High DP DB minus 0.4°F
and if R.Humidity is below Setpoint + 2%
Stage 2 OFF at High DP Setpoint minus 0.2°F minus High DP DB
and if R.Humidity is below Setpoint + 1%
Stage 1 OFF at High DP Setpoint minus High DP DB
and if R.Humidity is below Setpoint
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