Aprilaire Model 8570 - Manual (Page 7)

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(1) SELECT A MOUNTING LOCATION
If installing the thermostat alone…
• Mount on an interior wall, in a frequently occupied space.
• Keep the thermostat 18" from an outside wall.
• Mount the thermostat approximately 5 feet above the floor.
Height requirements are different for compliance with the
Americans with Disabilities Act (ADA) – 48" maximum height
for forward reach and 54" maximum height for side reach.
• Thermostat can be mounted to a vertical junction box (j-box).
• DO NOT mount the thermostat:
– behind doors, in corners or other dead air spaces.
– in direct sunlight or near lamps, appliances or other
sources of heat.
– on an outside wall or wall exposed to an unconditioned
space (i.e. garage).
– in the flow path of a supply register, in stairways or near
outside doors.
– on a wall where concealed pipes or ductwork could
influence the sensor.
– near sources of electrical interference such as arcing
switch contacts.
If installing an indoor temperature sensor…
• Mount the thermostat where it can be readily accessed.
Note that the backlighting illuminates whenever a button
is pressed.
• Thermostat can be mounted on a vertical junction box (j-box).
• DO NOT mount the thermostat where the operating range
temperatures will be exceeded (i.e. attic or unventilated
equipment room).
• Mount the sensor in the same location as if installing a
thermostat alone.