AUTOMATIC MODE (Manual Mode – see page 5)
Figure A – Automatic Mode
Your Aprilaire HumidifierControlis installedin the cold air return duct. During the first heatingseason, your HumidifierControl needs to be set initiallyto match your home’scondition.Please follow these steps when adjustingyour control (refer to Figure A).
1.Turn the dial setting knob to “5”, which is within the normal range. During the next
2.During the coldest portion of the first heating season, minor adjustments may be necessary. This is dependent upon your home’s construction. Refer to TABLE 3 – OperationGuide.
The humidity in your home will now be accurately controlled to meet your needs and should not need further adjustment during future heating seasons. Make note of the dial setting in the event you temporarily move the knob to “OFF” when performing annual maintenance of your Aprilaire humidifier.
MANUAL MODE (Automatic Mode – see page 4)
Figure B – Manual Mode |
When installed in the Manual Mode (see Figure B – internal switch in “MAN” position and “M” in the display), it is important to anticipate a drop in outdoor temperature and reduce the setting accordingly to avoid excessive condensation. For example, with an outdoor temperature of 20°F the correct setting will be 35%. If the temperature is expected to fall to 0°F,then merely reduce the setting to 25% several hours prior to the temperature change.
4 | 5 |