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I. PRINCIPLE OF OPERATION
It may be impractical or inconvenient to access and control your Aprilaire Central Dehumidifier under certain
circumstances. For instance, installations in attics and crawlspaces may be difficult to access. You may wish
to control the moisture level in a specific area, such as a living room or master bedroom. The Model 70
Living Space Control provides you with a convenient, accessible means of turning the Dehumidifier on and
off and allows for adjustment of the dryness level set point. The Model 70 Control contains its own sensors
that override the dehumidifier's main control board sensors when connected and enabled.
II. GETTING FAMILIAR WITH YOUR MODEL 70 CONTROL
See Figures 1 and 2 for a description of the Living Space Control.
Figure 1 – Living Space Control
Mode Buttons –
Use to turn
Dehumidifier
on or off.
Figure 2 – LCD Display
Status Indicator:
Solid "ON" = Control
is on and dehumidifier
is enabled.
Blinking "ON" =
Dehumidifier is running.
"ON" not displayed =
Dehumidifier is off.
III. OPERATING INSTRUCTIONS
BASIC FUNCTIONS
"ON" and "OFF" buttons allow you to turn the Dehumidifier on and off.
LM buttons allow you to adjust the dryness set point from "LESS DRY" to "MORE DRY".
Room RH (Relative Humidity) is displayed at all times.
LCD Display (see Figure 2)
Current Room RH
(Relative Humidity)
LM Buttons –
Use to raise or
lower the dryness
level set point
from "MORE DRY"
to "LESS DRY".
Dryness Set Point
Bar Display
"MORE DRY",
"LESS DRY", and
Bar Display disappear
10 seconds after final
adjustment is made
using LM buttons
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