10-2014 gForce User Manual ● 117
If high dewpoint setpoint satisfies but relative humidity rises to relative humidity
setpoint, the dehumidification control will be as follows:
9.4.2.3.1 Single Variable speed compressor system
Dehumidification cycles on:
If unit is not in cooling mode, the variable speed compressor turns on when
humidity is at Humidity Setpoint (HSP) - 1%. Compressor will modulate from
0% to 100%, 10% speed for every 0.1%RH. Compressor will run at 100% when
humidity equals humidity setpoint.
Dehumidification cycles off:
Variable speed compressor C1 starts to ramp down in 10 % decrement when
Humidity drops to Humidity Setpoint – Humidity Deadband. Compressor will run
at minimum speed (0 VDC) when humidity equals Humidity Setpoint – Humidity
Deadband - 1%. Compressor turns off when Humidity = Humidity Setpoint –
Humidity Deadband - 1.5 % and minimum runtime expired.
9.4.2.3.2 Dual circuit with a variable speed compressor and a fixed speed
compressor
Dehumidification cycles on:
If unit is not in cooling mode, C2 fixed speed compressor turns on when
humidity reaches Humidity Setpoint (HSP). Compressor will not violate the
compressor short cycle regulation.
Dehumidification cycles off:
Compressor C2 turns off when Humidity = Humidity Setpoint - Humidity
Deadband.
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