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H808C CONVERTIBLE DEHUMIDIFIER CONTROLLER
HUMIDITY
1
RISE
L1
(HOT)
DEHUMIDIFIER
CONTROLLER
L2
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
Fig. 7. Typical wiring diagram for
dehumidifier controller.
Wiring
All wiring must comply with local codes and ordinances.
Follow the equipment manufacturer wiring instructions
when available; otherwise, see the typical wiring diagrams
in Fig. 5 through 7.
SETTINGS
Humidity Controller Adjustment
The humidity comfort range of a living space is 25 to 50
percent RH. If the outdoor temperature changes signifi-
cantly, reset the humidity level on the humidity controller to
assure maximum comfort.
To reduce the relative humidity, reduce the setpoint
approximately three percent RH every 24 hours. To
increase the relative humidity, increase the setpoint
approximately three percent RH every 24 hours.
Wall Mount Humidity Controller
Set the humidity setpoint according to the outdoor
temperature for optimum relative humidity control. Adjust
the humidity level for a particular structure using the
procedure in the Humidity Controller Adjustment section.
Home and Building Control
Honeywell Inc.
1985 Douglas Drive North
Golden Valley, MN 55422
69-0987B
69-0987B J.S. 1-96 Printed in Mexico
DEHUMIDIFIER
EXHAUST FAN
OR AIR
CONDITIONER
M9297A
Home and Building Control
Honeywell Limited-Honeywell Limitée
155 Gordon Baker Road
North York, Ontario
M2H 2C9
4
Duct Mount Humidity Controller
If the temperature at the humidity controller location on the
return air duct is less than 80°F (27°C), use the procedure
for wall mounted humidity controllers.
If the air surrounding the humidity controller is greater than
80°F (27°C), reset the recommended settings to compen-
sate for the higher ambient temperature. High ambient
temperatures will cause the humidity controller to control at
an increased setting. To determine the compensated
setpoint for surface mounted humidity controllers with high
ambient temperatures, use the following procedure:
Use a bulb type thermometer to accurately deter-
mine the surrounding duct temperature at the
humidity controller location.
Decrease the recommended setting about five
percent for each 5°F (3°C) above 80°F (27°C) at the
humidity controller.
For example, if the humidity controller is set at 25
percent and the temperature at the humidity
controller is 90°F (32°C), the compensated setpoint
should be 15 percent. (This is the 25 percent setting,
less ten percent for the 10°F [6°C] above the
ambient temperature.)
CHECKOUT
Place the system in operation and observe through at least
one complete cycle to make certain that all components
are functioning properly.
Helping You Control Your World
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