Normal And Max; Normal And Max Dew Point Control - Lennox iComfort M30 Installation And Setup Manual

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The following table describes the function of normal
and max humidification settings.
Table 11. Humidification Modes
Option Description
(Humidification only with Heat Demand)
• Activate: If RH measured is <= (RH
setpoint - 2%), and, heat is ON, then H is
ON, and G is ON (if not already ON).
NOTE: In Normal humidification mode, thermostat
should not activate G when used with
Gas/Oil systems
• Deactivate: If RH measured is >= (RH set point
Normal
+ 2%) or Heat is OFF then H is Off. G returns to
the state determined by the thermostat control,
either ON, Auto, or CIRC. (OR) If there is no
more heat demand, then H is Off. G returns
to the state determined by the thermostat
control, either ON, Auto, or CIRC.
NOTE: The D terminal is active during
humidification.
Table 11. Humidification Modes
Option Description
(Humidification with or without Heat Demand)
• Activate: IF RH measured is <= (RH set
point - 2%), and unit is in heat mode (regardless
of whether a heating demand exists), then H
is ON, and G is ON (if not already ON).
• Deactivate: IF RH measured is >= (RH set point
Max + 2%) or unit is not in Heat mode (O = ON), then
H is Off. G returns to the state determined by the
thermostat control, either ON , Auto, or CIRC.
NOTE: The D terminal is active during
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To set the system to Normal Dew Point Control,
select normal and dew point options under settings
humidity option.
To set the system for Max Dew Point Control, select
Max and Dew Point Control.
NOTE: Outdoor air temperature sensor is required
for this feature.
37
humidification. Following is the table that
shows status of FAN for different humidity
modes and system outputs.
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