HVAC EQUIPMENT
O
D
T
S
EN
SOR
MO
D
E
L
6506
NORMALLY
CLOSED (NC)
DAMPER
OD
ENSOR
MODEL 6506
NORMALLY
CLOSED DAMPER
SHEET 6 – USING THE VENTILATION FEATURE OF THE DEHUMIDIFIER
PARTS NEEDED
(ADDITIONAL
PARTS MAY BE REQUIRED)
• Model 6506 damper
• Model 8052 Outdoor
Temperature Sensor (optional)
• Model 4010 10VA transformer
• 6" insulated duct, fittings and
hardware
• Intake hood
• Thermostat wire
FIGURE 1
– VENTILATION DUCT LOCATION
FIGURE 2
– DEHUMIDIFY VENTILATION AIR
SET UP THE DEHUMIDIFIER FOR VENTILATION
1.
With
OFF
showing on the control, press the MODE
button for 3 seconds to enter the Installer Set Up menu.
2.
Press the MODE button until
VENT DISABLED
appears.
3.
Press the
or
button to change to
VENT
ENABLED
.
4.
Press the MODE button and
V
!" #
will be
displayed. Press the
or
button to toggle
between:
TIMED:
no temperature limits.
AUTO – B:
Ventilation not allowed if ODT > 100°F
or ODT < 0°F; allowed only when heating if
0°F < ODT < 20°F.
AUTO – C:
Ventilation not allowed if ODT > 100°F or
ODT < 0°F.
AUTO – D:
Ventilation not allowed if ODT > 90°F;
allowed only when heating if 0°F < ODT < 40°F.
5.
Press the MODE button, the use the
or
button
to set the Vent Time (minutes/hour).
6.
Press the MODE button repeatedly until
DONE
appears
on the display.
VENTILATION WIRING
N.C. DAMPER
120
VAC
24
VAC
G
HVAC
EQUIPMENT
THERMOSTAT
OR ZONE
CONTROL
BOARD
R
C
G
W
Y
ODT
SENSOR
DH DH
REMOTE
+
-
A
B
HVAC EQUIP
GhRf
CfGs
W
Y
DAMPERS
VENT
DEH
FLOAT
SWITCH
DEHUMIDIFIER
CONTROL
BOARD
NC
NO
ODT SENSOR
R
C
W
Y
EXISTING WIRE
NEW WIRE
USING THE DEHUMIDIFIER TO PRE-CONDITION THE VENTILATION AIR
The dehumidifier can be used to remove moisture from the ventilation air
before
it is delivered to the home. Install the ventilation duct to the dehumidifier inlet
duct as shown in
FIGURE 2
. The control on the dehumidifier must be used for the
Primary Zone (i.e. an external control cannot be used) in this installation. If the RH
of the incoming air is above the setting on the control the air will be dehumidified.
Install a ventilation duct with a normally closed Model 6506 damper to the return duct of the HVAC system (see
FIGURE 1
) and wire the dehumidifier
to the HVAC system as shown in
V
!
$
ATION WIRING
. The outdoor temperature (ODT) sensor is used to limit ventilation if the outdoor temperature
gets too hot or too cold (see
SET UP THE DEHUMIDIFIER F
O%
V
!
$
ATION
below). If temperature limits are not needed, the ODT sensor does
not have to be installed. Follow the set up instructions below and set the number of minutes per hour that ventilation will be needed (refer to the
Installation Manual for details on determining how much ventilation is needed). Whenever the heating or cooling turns on, or when the dehumidifier
turns on, the dehumidifier will open the damper and bring in fresh outdoor air. If the equipment doesn’t run for the set number of minutes, the
dehumidifier will turn on HVAC fan at the end of the hour to ensure ventilation needs are met.
7