Lennox CBX40UHV Series Unit Information page 28

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PRECISION mode
Dehumidification with or without a cooling demand. COOL
is on, the D is active (reverse logic, off), and G, Y1, and Y2 (if
available) are on. Note that H is inactive (off) during
dehumidification. The D terminal controls dehumidification.
When a dehumidification demand is present, the D terminal
becomes de-energized. Otherwise, 24VAC is present in off
mode and heating mode unless there is a call for
dehumidification.
®
HUMIDITROL
mode
Select
this
mode
when
Dehumidification Accessory is installed. Operation is same
as PRECISION mode but requires an outdoor sensor.
AUX mode
Select this mode when Whole Home Dehumidifier is used
in in a central or central/zoned installation. Operation is
same as PRECISION mode and can work with or without
AC on but G will be energized.
Turning DEHUMIDIFY ON or OFF
NOTE − One of the dehumidify modes must be turned on in
the INSTALLER SETTINGS before you can adjust the
dehumidify level in the USER SETTINGS of the
ComfortSense 7000 thermostat.
15. 1− From the OPTIONS screen, scroll to INSTALLER
SETTINGS and press ENTER twice.
16. 2− Scroll to HUMIDITY SETTINGS; press ENTER.
Press the box below DEHUMIDIFY.
HUMIDITY SETTINGS
HUMIDIFY DEHUMIDIFY
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17. 3− Use up/down arrows to scroll to OFF, BASIC,
PRECISION, HUMIDITROL, or AUX; press ENTER.
DEHUM MODE SETTING
DEF(OFF) PRECISION
18. 4− Default setting is 50% RH. Use up/down arrows to
change the %RH; press SAVE.
DEHUM SETPOINT
DEFAULT (5O%)
45%
Setting HUMIDITY OFFSET
The Default setting is 0%. This can be used to offset the
displayed and controlled space relative humidity (RH) by up
to +/− 10% RH.
19. 1− From the OPTIONS screen, scroll to INSTALLER
SETTINGS and press ENTER twice.
20. 2− Scroll to HUMIDITY OFFSET; press ENTER. Use
arrows to select a new offset. Press SAVE.
HUMIDITY OFFSET
DEFAULT(O%)
2%
®
Humiditrol
Enhanced
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Page 28
User Control of Humidification /
Dehumidification
If set ON, Humidify and Dehumidify may be adjusted by the
user through USER SETTINGS. If installer does not turn
either ON, HUMIDITY MODES OFF appears when the
USER'S
HUMIDITY SETTING" option is pressed.
Humidify controls the relative humidity (RH) between 15
and 45%. Dehumidify controls relative humidity (RH)
between 45 and 60%.
User control of humidification
21. 1− From the OPTIONS screen, scroll to USER
SETTINGS and press ENTER.
22. 2− Scroll to HUMIDITY SETTINGS; press ENTER. (If
both Humidify and Dehumidify are on, the following
screen appears; otherwise go to the step 3). Press the
box below HUMIDIFY.
HUMIDITY SETTINGS
HUMIDIFY DEHUMIDIFY
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23. 3− Use up/down arrows to change the humidity setpoint
(between 15 and 45%); press SAVE.
HUM SETPOINT
45%
DEFAULT (45%)
4O%
User control of dehumidification
24. 1− From the OPTIONS screen, scroll to USER
SETTINGS and press ENTER.
25. 2− Scroll to HUMIDITY SETTINGS; press ENTER. (If
both Humidify and Dehumidify are on, the following
screen appears; otherwise go to the step 3). Press the
box below DEHUMIDIFY.
HUMIDITY SETTINGS
HUMIDIFY DEHUMIDIFY
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26. 3− Use up/down arrows to change the humidity setpoint
(between 45 and 60%); press SAVE.
DEHUM SETPOINT
DEFAULT (5O%)
45%
5O%
CBX40UHV
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