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6
7
II. Operating Instructions
Your humidifier is controlled by a manual humidifier control,
HumidiTrac
™
or Thermidistat
™
, installed either in the living area or in
the cold air return.
Automatic Humidifier Control: (for Manual Humidifier Control – see page 8)
Your HumidiTrac
™
Control is installed in the cold air return. During the
first heating season, your HumidiTrac
™
Control needs to be set initially to
match your home’s condition. Please follow these steps when adjusting
your control (refer to Figure A).
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 1 – Operation Guide”.
2. During the coldest portion of the first heating season, minor
adjustments may be necessary. This is dependent upon your
individual home construction, refer to “TABLE 1 – Operation Guide”.
TABLE 1 – Operation Guide
Condition Solution
Condensation on windows Reduce the setting on the control dial
by 1 increment.
Lack of humidity Increase the setting on the control dial
by 1 increment.
Humidifier does not operate Turn dial to “Test.” Make certain furnace
and blower are operating. If humidifier
still doesn’t operate, consult your air
conditioning and heating dealer.
Humidifier won’t shut off Turn dial to “Off.” If humidifier continues to
operate, consult your air conditioning and
heating dealer.
Test mode System operation is checked by setting
the knob to “Test.” Make certain furnace and
blower are operating. Humidifier will
operate for one minute.
The relative 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 when
performing annual maintenance of
the Humidifier.
FIGURE A
90‑1054
Your Automatic Humidifier, is a high precision system that will
accurately maintain the relative humidity in your home. For every 1°F
change in outdoor temperature, the control will automatically adjust
the indoor relative humidity (RH) by 1/2%. If you would like to determine
the RH in your home, follow these steps:
1. Determine the outdoor temperature.
2. Activate the furnace blower by setting your thermostat fan
switch to the “On” position, or setting your thermostat to a higher
temperature.
3. Turn the control dial setting to the “Off” position. Then, slowly
turn the dial clockwise until you hear the solenoid valve “click
on.” Next, slowly turn the dial counter‑clockwise until you hear
the solenoid valve “click off.” At this point, make note of the dial
setting.
4. Locate your dial setting on Table 2. Follow the dial setting to the
right until it intersects with the current outdoor temperature. This
is the relative humidity in your home under existing conditions.
5. Return the thermostat and the Humidifier Control to their original
settings.
The HumidiTrac
™
Control will accurately control the humidity in your
home to a maximum of 45% RH and a minimum of 10% RH. The values
of outdoor temperature and dial settings may fall in between or outside
of the listed values in Table 2. In these cases, you can only approximate
your home’s actual indoor RH.
As an example, if the outdoor temperature is 20°F, and, following step 3,
the humidifier turns off at “5” on the dial range, then the RH in your home is 35%.
-10°F 0°F 10°F 20°F 30°F 40°F
-23°C -18°C -12°C -7°C -1°C 4°C
1 10 10 10 15 20 25
2 10 10 15 20 25 30
3 10 15 20 25 30 35
4 15 20 25 30 35 40
5 20 25 30 35 40 45
6 25 30 35 40 45 45
7 30 35 40 45 45 45
Outdoor Temperature
Dial Setting
TABLE 2 – % Relative Humidity Guide
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