Using Tips / Notice：
Crawl space ventilators with dehumidistat models: M1D, M2D, M2D-S430, MDT2P
Dear customers,
CRAWL SPACE VENTILATOR FUNCTION EXPLAINATION:
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Example 1: Room humidity level 80%, outside humidity 65%, which means the
lowest room humidity level can reach is 65% (ideally). If you turn the knob
on the M2D to set 70%, the blower is ON, and will be OFF when the room
humidity goes down to 70% or lower.
Example 2: Room humidity level 80%, outside humidity 65%, which means the
lowest room humidity level can reach is 65% (ideally). If you turn the knob
on the M2D to set 50%, the blower is ON, and will NOT be OFF because 50% can
not be reached since this M2D is not a dehumidifier but a ventilation blower
(push humid air out and pull dry air in).
Example 3: Room humidity level 80%, outside humidity 90%, which means the
room humidity level is even lower than outside's. Therefore, M2D is not
suitable for this circumstance (Please DO NOT use M2D, otherwise room
humidity will go higher from 80% to 90%). To lower the room humidity, you
need a real DEHUMIDIFIER machine in the crawl space.
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CONCLUSIONS:
1. M2D will run all the time if you set a very low humidity level which can
never be reached.
2. M2D will stop running when room humidity equals or below set humidity.
3. M2D will be OFF if you set a high humidity level, due to point 2.
Hope this helps. Have a good day!
Regards.
Durablow® x PayandPack store
