DriSteem RL-3 - Alternative External Control or Dristeem Bacnet Humidistat

44
DEHUMIDIFIER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
FLOAT
DH DH
SWITCH
EXTERNAL
CONTROL
90-2542
TO SET THE DEHUMIDIFIER TO USE THE ALTERNATIVE
CONTROL, COMPLETE ALL STEPS:
1. With power to the dehumidifier, use the ON/OFF
button to set the dehumidifier to the OFF position.
NOTE: If the display backlight is not on, the first button
press (any button) will only turn the backlight on. Press
the button a second time to achieve the desired function.
2. Hold the MODE button on the on-board control for
three seconds to enter the Installer Set-up Menu.
3. Press MODE again and the display should change to
EXTERNAL in the center, and DISABLED on the right.
Use the UP or DOWN arrow buttons to set this to
ENABLED.
90-1854
4. Once the display reads EXTERNAL ENABLED, press
the MODE button to cycle through the other settings
until the display blinks DONE for three seconds.
5. Use the ON/OFF button to turn the dehumidifier ON.
The display on your unit should read external. Even if
there is a demand for dehumidification according to
your external control, the dehumidifier will wait three
minutes before turning on for the first time only.
Alternative external control or DriSteem BACnet
®
humidistat
The DriSteem BACnet humidistat may be used to control
the dehumidifier when set up as an external controller.
Alternatively, use any other humidity control system as long
as it has a dry contact, normally open output dedicated
to controlling the dehumidifier. Reference the installation
literature provided with the alternative control for wiring,
set-up, and operating details.
TO INSTALL AND USE AN EXTERNAL CONTROL,
COMPLETE ALL STEPS:
1. Unplug the dehumidifier or turn off power to the circuit
at the breaker or fuse.
2. Run thermostat cable (use 18-22 AWG wire) from
the alternative external control to the control of the
dehumidifier.
3. Trim about 1/4" (6 mm) of insulation from the end
of the wires on each end. Insert the wire into the
terminals as shown in Figure 44-1.
4. Restore dehumidifier power.
FIGURE 44-1: EXTERNAL CONTROL WIRING
INSTALLATION