Automatic Mode; Relative Humidity Table - Aprilaire Series 800 Owner's Manual

AUTOMATIC MODE

FIgURE 2 – Automatic Mode
Your Aprilaire ADHC must be installed in the cold air return duct . During
the first heating season, your Humidifier Control needs to be set initially
to match your home's condition . Please follow these steps when adjusting
your control (refer to Figure 2) .
1 . Turn the dial setting knob to "5" , which is within the normal range .
During the next 24-48 hours it may be necessary to adjust the dial for
more or less humidity, depending on your personal comfort and home's
requirements . Refer to TABLE 2 – ADHC Operation guide .
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 2 – ADHC Operation guide .
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 .
Your humidifier is a precision system that will accurately maintain the
humidity in your home . For every 2°F change in outdoor temperature, the
Model 62 Automatic Digital Humidifier Control will automatically adjust the
indoor humidity by 1% .
The Model 62 Automatic Digital Humidifier Control will accurately control
the humidity in your home to a maximum of 45% .
The humidity values in Table 3 are targets based on outdoor temperature
and the Digital Humidifier Control setting . The actual humidity may vary
due to conditions in the home (cooking, showering, etc .) .
- 10 -
Condition
Condensation on windows .
Lack of humidity .
Humidifier does not turn on .
90-1235B
Humidifier won't shut off .
Test mode .
Red "Call Dealer for Service" light
flashes (Figure 2) .
TABLE 2 – ADHC Operation guide
Solution
Reduce the setting on the control dial by 1
increment .
Increase the setting on the control dial by 1
increment .
Make certain HVAC blower is operating . Turn
dial to "Test/Reset" . If unit still does not
operate, consult a heating contractor . Display
will flash software revision level e . g . r1, if the
control knob is left in test/reset for longer than
1 minute .
Turn control dial to "Off" . If unit continues to
produce steam (steam light on), disconnect
main power to turn off the humidifier and
consult a heating contractor .
Make certain HVAC blower is operating .
System operation is checked by setting the
knob to "Test/Reset" . Humidifier will operate
for one minute .
Note the error code on the display (E1,
E2, E3 or E4) and call your heating and air
conditioning dealer for service .
TABLE 3 – % Relative Humidity guide
Outdoor Temperature (°F)
-10°F 0°F 10°F 20°F
1 10% 10% 10% 15%
2
10% 10% 15% 20%
3
10% 15% 20% 25%
4 15% 20% 25% 30%
5 20% 25% 30% 35%
6 25% 30% 35% 40%
7 30% 35% 40% 45%
- 11 -
30°F 40°F
20% 25%
25% 30%
30% 35%
35% 40%
40% 45%
45% 45%
45% 45%