Aprilaire 8554 Thermostat User Manual

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10-792B 7/12/01 8:28 AM Page 1

ELECTRONIC THERMOSTAT

Owner ’s Manual

MODEL 8554

-2 Day Programmable

Thermostat

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OWNER’S MANUAL – TABLE OF CONTENTS

ENERGY STAR Program Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Setting Or Changing The Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Setting Or Changing The Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Progressive Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Program Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Setting Or Changing The Weekday Program For Heating Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Setting Or Changing The Weekend Program For Heating Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Setting Or Changing Cooling Temperatures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Reviewing Programmed Time Schedules And Temperature Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

To Start Running The Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

For Best Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Thermostat Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

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Temperature Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Time Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Equipment Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Setting High And Low Balance Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Using The Available Red LED Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Optional Settings For Additional Thermostat Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

In Case Of Power Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Research Products Corporation 2001

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ENERGY STAR Program 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 Electronic Thermostat Model 8554 has earned the ENERGY STAR 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 ENERGY STAR label.

ENERGY STAR products help you differentiate between standard efficiency and high efficiency products.

By using ENERGY STAR Star products you are helping to prevent air pollution while saving money on your

utility bills.

According to the EPA, taking advantage of the times that a home is unoccupied or the occupants

are asleep, an ENERGY STAR thermostat can reduce heating and cooling bills by as much as 30%. 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 ENERGY STAR partner, Research

Products has determined that this product meets the ENERGY STAR guidelines for energy efficiency.

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As part of the ENERGY STAR program, your thermostat has been programmed with the following times and

temperatures. This has been done to achieve energy efficiency and lower energy bills. If you need to

modify your program schedule, see page 7.

TIME SCHEDULE

THERMOSTAT

SYMBOL

DESIRED

TEMPERATURE

SETTING

EVENT

Mon Tue Wed Thu

Fri

Sat Sun

Morning

Heat = 70˚

Cool = 78˚

6:00 6:00 6:00 6:00 6:00 6:00 6:00

am am am am am am am

Day

Evening

Night

Heat = 62˚

Cool = 85˚

8:00 8:00 8:00 8:00 8:00 8:00 8:00

am am am am am am am

Heat = 70˚

Cool = 78˚

5:00 5:00 5:00 5:00 5:00 5:00 5:00

pm pm pm pm pm pm pm

Heat = 62˚

Cool = 82˚

10:00 10:00 10:00 10:00 10:00 10:00 10:00

pm pm pm pm pm pm pm

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IMPORTANT: READ ALL INSTRUCTIONS THOROUGHLY

Programming your Aprilaire Thermostat is done in three easy steps: setting the clock, setting the event

times, and setting your desired temperatures.

Setting Or Changing The Clock

Step 1: If you are currently in Daylight Saving Time

(first Sunday in April thru fourth Sunday in October),

press the DST button and “ “ will appear in the

lower right-hand corner of the display.

Step 2: Press the CLOCK button and “Mo”

(or another day of the week) will flash. Use the

DECREASE or INCREASE button to

change the flashing symbol to the current day

of week.

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Step 3: Press the CLOCK button again and “12:” (hours)

and “AM” or “PM” will flash. Use the DECREASE or

INCREASE button to change the flashing symbol

to the current hour making sure the hour has the proper

AM or PM designation.

Step 4: Press the CLOCK button and “:00” (minutes) will

flash. Use the DECREASE

or INCREASE

button

to change the flashing symbol to the current minute.

Step 5: Press the CLOCK button again. The clock is now

set and the current time appears on the display.

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Setting Or Changing The Program

Programming your Aprilaire Electronic Thermostat involves selecting the temperature you want in your

home and selecting the time you want it to be that temperature. Your Aprilaire Thermostat will allow a

maximum of 4 time schedules per day. Each time schedule is known as an “event .” The Morning event

is typically when you wake up and is the first event of the day. The Day event is typically set when you

leave for work. The Evening event is typically set when you come home from work and the Night event

is set when you go to bed. Each event will have 2 temperatures, 1 heating temperature and 1 cooling

temperature. The cooling temperature must be at least 2 degrees higher than the heating temperature.

Your Aprilaire Thermostat allows 1 program for Monday through Friday and 1 program for Saturday and

Sunday. Complete the chart on page 7 with your desired temperatures and time schedules before

beginning programming.

Progressive Recovery

Your Aprilaire Thermostat is equipped with a programming feature called “Progressive Recovery.”

This feature assures that your house will economically achieve the desired comfort temperature at

the programmed time when returning from an economy or