Specifications
25
SET.2 – (0.0) Setpoint 2 allows the user to create a setpoint offset for the
Dehumidification System. It is generally not used for the Desiccant
Dehumidification System.
bnd.2 – (10.0) Recommended. Band 2 should generally be equal to bAnd. The
heating and cooling system will work within the same proportional band, helping
to prevent overlap in the system’s operation. (i.e., the dehumidification system
will have a tendency to stay ‘off’ when only humidification is needed and vice
versa).
CyC.2 – (2.0) Recommended. Cycle time means how often the unit can
potentially be turned on and then off in succession. The ETS Model 561
Dehumidifier may be safely turned on and off once a second but the pump will be
excessively noisy. DO NOT DECREASE THE CYCLE TIME BELOW 1.0
SECOND when operating this system.
ETS Model 578 Self-Regenerating Dehumidification System solenoid valve
CyC.2 may be set as low as 0.5 second, but short times will accelerate valve
wear. The recommended Cycle Time is 5.0 seconds. To extend the life of the
internal solenoid valve, the cycle time may be increased but control may suffer.
If using any other dehumidification system, determine the minimum cycle time at
which the unit can safely operate (consult the manufacturer’s instructions for the
unit).
NOTE: All functions in Level 2, 3, & 4 are “locked” and may not
be altered unless “unlocked”. See section 2.4.5 (Level 4).
3.3.4 LEVL 2 (Level 2)
Level 2 is the controller configuration level. The controller is capable of being
configured in an unlimited number of ways. However, the parameters needed to
control the Humidity Operating Systems, with the ETS Model 554 Humidity
Sensor, are programmed and locked.
MANUAL CONTROL MODES
SP1.P – Read SP1 output percentage power. (Read only).
hAnd – (off) SP1 Manual percentage power control.
For manual control, should a sensor fail, record typical SP1.P values beforehand.
PL.1 – (100) Set SP1 power limit percentage, 100 to 0% of the duty cycle.