91 • HZ-THSTAT Product Manual — Doc. 8622E
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Humidistat Setup: Sets the operating mode of the HUM relay. Select Humidification (default),
Dehumidification, or Off.
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Humidification: Calls HUM relay when sensed humidity is below the humidistat setpoint.
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Dehumidification: Calls HUM relay when sensed humidity is above the humidistat setpoint.
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Off: Disable humidistat
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Fan In Humidistat: Select No (default) or Yes.
If Yes, the thermostat will make a fan call when a humidistat call is triggered instead of waiting
for a heat or cool call to trigger the fan.
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Cool Humidistat Setpoint Limit: Limits internal humidistat setpoint to prevent window
condensation when it is cold outside (displayed setpoint will not change). Select No (default) or
Yes.
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Lower Setpoint: Limits the minimum humidistat setpoint percentage. Select 5 - 80. The default
setting is 10.
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Upper Setpoint: Limits the maximum humidistat setpoint percentage. Select 15 - 90. The default
setting is 70.
NOTE: The Upper Setpoint must be 10% higher than the Lower Setpoint.