Aprilaire 8570 User Manual

Premium Programmable Thermostat

READ AND SAVE THESE INSTRUCTIONS

Owner’s Manual

Model 8570

Includes Operating Instructions

and Warranty Information

About half of all energy used by households goes to heating and cooling the
home. By selecting a programmable Aprilaire

®

Electronic Thermostat, you have
made a significant step toward conserving energy usage and costs, while
improving your indoor comfort.

In fact, the Aprilaire

®

Model 8570 Premium Programmable Thermostat has earned

the “E

NERGYSTAR

®

” designation of the U.S. Environmental Protection Agency (EPA).
This means that your Aprilaire Thermostat is a highly efficient, cutting edge
product that is good for the environment. It saves energy and costs less to operate
than similar products that do not qualify for the E

NERGYSTAR label.

E

NERGYSTAR products help you differentiate between

standard efficiency and high efficiency products. By
using E

NERGYSTAR products, you are helping to prevent

air pollution while saving money on your utility bills.

According to the EPA, by pr

ogramming your thermostat and taking advantage of the times

that a building is unoccupied or the occupants are asleep, an E

NERGYSTAR thermostat can

reduce heating and cooling bills by as much as $150. The Aprilaire Thermostat has
programmable capabilities that allow you full flexibility to set your heating and cooling
systems to meet your comfort and energy needs. As an E

NERGYSTAR partner, Aprilaire has

determined that this product meets the E

NERGYSTAR guidelines for energy efficiency.

TABLE OF CONTENTS

PAGE

ENERGYSTAR®Program Information . . . . . . . . . . . . . . . . . . 1

Getting Familiar with your
Aprilaire

®

8570 Thermostat. . . . . . . . . . . . . . . . . . . . . . . 2

Operating Your Thermostat . . . . . . . . . . . . . . . . . . . . . . . 4

Setting the Mode of Operation – Heat, Cool, etc. . . . . . 5

Temporarily Raising and Lowering

the Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Fan Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Setting the Date and Time . . . . . . . . . . . . . . . . . . . . . . . 9

PAGE

Programming your Thermostat . . . . . . . . . . . . . . . . . . . 10

Holding Temperature – Holiday and Permanent . . . . . 12

Settings Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Info Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Viewing Other Thermostats on the System . . . . . . . . . 18

In Case of Power Failure . . . . . . . . . . . . . . . . . . . . . . . . 19

Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Event

Desired

Temperature

Setting

Daily
Time

Schedule

Wake

Heat = 70°
Cool = 78°

6:00 am

Leave

Heat = 62°
Cool = 85°

8:00 am

Return

Heat = 70°
Cool = 78°

5:00 pm

Sleep

Heat = 62°
Cool = 82°

10:00 pm

ENERGYSTAR®PROGRAM INFORMATION

1

Program your

thermostat

to save energy while
you’re asleep or away.

Saving energy helps
prevent global warming

LEARN MORE AT

energystar.gov

FIGURE 1 – GETTING FAMILIAR WITH YOUR APRILAIRE®8570 THERMOSTAT

EQUIPMENT
STATUS

OUTDOOR
TEMPERATURE

ROOM
TEMPERATURE

MESSAGE
CENTER

SETPOINTS

UP/DOWN BUTTONS

MULTI-FUNCTION
BUTTONS

MESSAGE CENTER

Normally this is where you will find the current date and time
and the name of the current event if running the temperature
program. If the thermostat is in a Hold State, the thermostat will
display when the Hold State is scheduled to end. The area is also
used to give information on when you should replace your air
filter or UV lamp, when you should service your humidifier and
general HVAC equipment.

When installed with an Aprilaire®Automatic Digital Humidifier
Control (Model 58) and Humidifier, the message center will also
inform you if the humidifier is operating.

EQUIPMENT STATUS

In this area of the display, the thermostat will show the
equipment’s mode and whether the equipment is active. A typical
message in this area would be HEAT MODE when the equipment
is not running and HEATING when the equipment is active.

OUTDOOR TEMPERATURE

The thermostat has terminals that can be hooked up to an
outdoor temperature sensor. If this is installed, outdoor
temperature will be displayed in this area of the screen.

When installed with an Aprilaire®Automatic Digital Humidifier
Control (Model 58) or an Aprilaire®Model 6504 Intelligent Zoned
Comfort System, this information is communicated to the thermostat
so there is no need for the extra outdoor temperature sensor.

ROOM TEMPERATURE

The large temperature on the screen is the room temperature.
The scale can be changed from Fahrenheit to Celsius if desired.

SETPOINTS

The setpoints are the temperature(s) to which the thermostat
is controlling.

MULTI-FUNCTION BUTTONS

The multi-function buttons are used throughout the thermostat
menu system and have many functions. The description on the
screen directly above the button is what that button is used for in
that particular screen. In Figure 1, the left button would be used
for INFO and the right button would be used for MENU.

UP/DOWN BUTTONS

These buttons are used to raise and lower temperature and to
navigate through the thermostat’s menus.

2 3

OPERATING YOUR THERMOSTAT

Backlight Operation

When any button is pressed, the backlighting will
illuminate. Once the backlight is on, subsequent button
presses will perform their respective tasks.

Using the Up & Down Buttons and Multi-Function
Buttons on the Thermostat

This thermostat uses a menu driven display and four (4)
buttons. The Up and Down buttons are generally used
to move between selections in the menu and to raise
and lower different parameters such as temperature,
days, minutes etc., depending on which screen you are
viewing. The multi-function buttons have a variety of
uses. The portion of screen directly above these
buttons will display the button’s function. For instance,
when the main screen is being viewed, the buttons are
titled INFO and MENU from left to right respectively.
To access the menu of the thermostat, press the right
multi-function button.

Notes on Temperature Adjustments

The Cool setting must always be 2° or 5° (F or C)
higher than the Heat setting. The value (2° or 5°) is
selectable. The thermostat will automatically change
the temperature setting not being adjusted to maintain
this difference, even if both settings are not shown on
the display.

4 5

1. Setting the Mode of Operation – Heat, Cool, etc.

The thermostat can be set to OFF, HEAT, COOL, AUTO and EMERGENCY HEAT (EMERGENCY HEAT
for heat pumps only) modes. To set the mode, press the MENU button on the main screen.
Once in the Main Menu screen, use the down button to move the highlighted text to the desired
mode, then press SELECT.

Example: Placing thermostat in HEAT MODE.

CAUTION: Do not set to OFF mode during periods when freezing temperatures could occur.

NOTE: When installed with an Aprilaire

®

Model 6504 you will be given the option to CHANGE ALL
THERMOSTATS. If you select YES to this, the mode setting will be set to whatever you have selected
for all the thermostats on the system.

9/11/05 5:15PM
OUTDOOR OFF MODE
45° FAN AUTO

72°

INFO MENU

MAIN MENU

SET MODE:
OFF
AUTO
COOL
HEAT

HEAT

SET FAN:
AUTO
ON

EXIT SELECT

9/11/05 5:15PM
OUTDOOR HEAT MODE
45° FAN AUTO

MORE

INFO MENU

72°

SETPOINT
HEAT 74