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Aprilaire 8826 Product guide
Aprilaire Zoned Comfort Control
Product Guide
®
®
Making Zoning As Easy As
w w w. a p r i l a i r e p a r t n e r s . c o m
Table of Contents
Why Choose Aprilaire?
• The Right Products
• Sales and Marketing
• Technical Support
(3)
Support
An Overview of Aprilaire Zoned
Comfort Control
(4)
• What is a Zoned Comfort Control system?
• Why would a homeowner or light commercial
user need Zoned Comfort Control?
• What are the components of a Zoned
Comfort Control system?
• How does Zoned Comfort Control work?
• When is the best time for a Zoned Comfort
Control system to be installed?
• Why is pressure relief an issue with Zoned
Comfort Control systems?
• The fact is that everyone benefits!
Designing an Aprilaire Zone
is as Easy as 1, 2, 3
(8)
•
•
•
Selecting Zones
Determine Bypass Method
Selecting Zone System Components
Aprilaire Zone Comfort
Control Panels
6202 and 6203 Control Panels
6303 Control Panel
6404 Control Panel
– 6402 Expansion Panel
• 6504 Control Panel
•
•
•
2
The “Engineered Reliability”
of Aprilaire Zoned Comfort
Control Dampers
(17)
•
•
•
•
•
Rectangular Dampers
Round Dampers
Barometric Bypass Dampers
Static Pressure Bypass Dampers
Round Slip-In Dampers
Aprilaire Thermostats
(22)
• 8400 Series Thermostat
• 8600 Thermostat
• 8800 Thermostat
• 8710 Wireless Thermostat
• 8570 Thermostat
• 8870 Thermostat
• Thermostat Accessories
• 8051 Flush Mount Sensor
• 8052 Outdoor/Duct Sensor
• 8053 Surface Mount Sensor
• 8022 3-wire to 4-wire Adapter
• 8023 Thermostat Adapter Plate
• 8024 Universal Relay Pack
Aprilaire Zoned Comfort Control
Panel Wiring Diagrams
(28)
(11)
• Aprilaire
• Aprilaire
• Aprilaire
• Aprilaire
Model
Model
Model
Model
6202
6303
6404
6504
and 6203 Control Panels
Control Panel
Control Panel
Control Panel
Why Choose Aprilaire
Your Partner In Comfort?
1) The Right Products
• Aprilaire has the right controls for any job—whether you are looking for simple low-cost control panels ideal
for new construction, an expandable zone system for light commercial or the consumer benefits associated
with the Model 6504 Intelligent Zoned Comfort system, we have the right control for your application.
• The most reliable dampers available today—the patented Flexible Link™ design eliminates the components
most prone to failure… gears!
• Thermostats to complete the job—while most Aprilaire zone control systems are compatible with virtually any
manufacturers thermostats, an Aprilaire thermostat is the best choice for a complete Aprilaire Zoned Comfort
Control system.
• Warranty—Aprilaire products are warranted for five full years from installation, helping to protect your
quality reputation.
2) Sales and Marketing Support
• Aprilaire brand—well recognized and respected, the Aprilaire brand is synonymous with reliable, simple-tooperate Indoor Air Quality products.
• Free, high-quality sales literature—drawing on our many years of marketing Zoned Comfort Control to
consumers and light commercial users, we have developed a very compelling message for your customer that
will make selling zoning easier for you.
• Consumer website—our state-of-the-art website, www.aprilaire.com, is designed to guide the consumer into a
purchase decision. The effective problem/solution format helps support your selling message and close the
sale!
3) Technical Support
• Local training—Aprilaire has local representation available for on-site training and support. Our district sales
manager is there for you.
• Unsurpassed technical support—a Zoned Comfort Control expert will be answering your call! The Aprilaire
team of technical support representatives takes pride in its mission to handle your issue with ONE call.
• Additional support—In addition to our highly trained experts answering your phone calls, we have a contractor
only website designed to provide you with the technical documents you need, from installation manuals to
technical bulletins. Aprilaire support is there for you 24/7 at www.aprilairepartners.com.
3
An Overview of
Aprilaire Zoned Comfort Control
Zoning delivers
better comfort control
for various types
of floor plans
What is a Zoned Comfort Control system?
Zoned Comfort Control is the practice of dividing a home or building into separate areas
or ‘zones’ to be independently heated or cooled based upon the demand in each zone.
Multiple levels
Typically the term refers to a single piece of equipment controlled by two or more
Bonus room
thermostats.
Some may use the term ‘zoned’ when referring to the installation of
multiple heating or cooling systems. However, the classic use of the term implies that a
single heating and cooling system is divided, by means of its ductwork, to serve multiple
zones each with their own individual thermostat control. Further, zone dampers are
located in the ductwork to direct the conditioned air to where it’s needed, when it’s
needed. A control panel coordinates the operation of the equipment with the distribution
Expansive
glass
area
of the conditioned air.
Why would a homeowner or light commercial user need
Zoned Comfort Control?
Finished basement
It is nearly impossible to maintain comfort throughout a home or building from one
thermostat. The thermostat only measures the temperature where it is located; therefore,
you may be very comfortable near the thermostat while areas further away or directly
above or below will not be comfortable. Virtually every structure has varying
requirements depending upon the room or area. For example, because heat rises, rooms
on the upper levels will always be warmer than on the first floor. Other examples that
Atrium
produce the need for Zoned Comfort Control are:
Exposure: expansive south-facing glass will soak up the sun during the day and lose
more heat at night
Construction: rooms built over an unconditioned space or built over a slab have
different heating/cooling requirements than areas over conditioned spaces
Occupancy: the ability to set back the thermostat setting in unoccupied areas
saves energy
4
APRILAIRE ZONED COMFORT CONTROL PRODUCT GUIDE
What are the components of a Zoned
Comfort Control system?
The system is comprised of virtually any forced air
Programmable
Thermostats
68°F (20°C)
Joe’s Bedroom
HVAC equipment, a control panel, dampers (usually one
for each zone, however, multiple dampers may be used),
thermostats (one for each zone) and the ductwork. In
70°F (21°C)
Great Room
addition, depending upon the system’s design, a bypass
Furnace
damper may be required for pressure relief.
65°F (18°C)
Dad’s Den
Zoned Comfort
Control System
Automatic
Humidifier
Electronic
Air Cleaner
Energy Recovery
Ventilator
How does Zoned Comfort Control work?
Thermostats in each zone are wired to the Zoned Comfort Control panel. The control panel is then wired to
the HVAC equipment and to zone dampers located in the system’s ductwork. The control panel understands
each zone’s need for conditioning and operates the equipment (on/off) while controlling the position of the
dampers (open/closed) based upon the thermostat requirements.
This assures that conditioned air is
directed where and when it’s needed.
When is the best time for a Zoned Comfort Control system to be installed?
It is least expensive and easiest to install in a new home. However, in most cases, Zoned Comfort Control
can be added to existing systems at any time. Zoning in existing homes can pose challenges, but Aprilaire®
addresses these challenges with a full line of slip-in round dampers designed to be low in cost and easy to
install in existing systems.
OverviewOverview
of Zoned of
Comfort
Zoned Control
ComfortSystems
Control
Why is pressure relief an issue with Zoned Comfort Control systems?
It is important to design zone systems to account for the added system pressure that is caused when zone
dampers are closed. With Zoned Comfort Control, as dampers close to restrict airflow to non-calling areas,
the equipment will attempt to deliver its full capacity, although only a percentage of airflow is required.
Therefore, to avoid problems that are associated with restricting the airflow, (i.e., high limit, freezing of the
coil, air noise) some method of pressure relief is required. This may include over-sizing of the ductwork (all
zones capable of carrying 70% of the system’s airflow), using a bypass damper, or Aprilaire’s exclusive
‘Controlled Pressure Relief (CPR)’ method. The CPR method involves slightly over-sizing the system’s supply
ductwork while an engineered amount of bypass is allowed into a closed zone. This method eliminates the
need for a bypass damper, minimizing system cost while maximizing comfort. (For more information on
designing for pressure relief, see the Aprilaire Design Manual, Form #5001.)
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How can you determine if zoning is a good solution
for your consumer?
Step 1. Is this home a good candidatefor Zoned Comfort Control?
To determine if a home is a candidate for zoning, walk around the outside of the
home. The home must have a forced air central heating and cooling system.
If the home has forced air heating and cooling and if you can answer “yes” to 2 or
more of these statements, the home is a good candidate for Zoned Comfort Control.
Multi-level or Split Level homes
Hot spots observed, for example, when parts of the house face East & West
Cold spots observe, for example, when parts of the house are subject to North or
South winds
Home lacking shade trees, for example, newly constructed homes
Room(s) with large windows
Step 2.Tour the Inside of the Home
If the home has exposed ductwork, installing dampers will be much easier. Note the
location of HVAC equipment and supply ducts, this should be considered in selecting
zones. Note the location of the existing thermostat, will it need to be moved?
If you can answer “yes” to 3 or more of these statements, the home is a good
candidate for Zoned Comfort Control.
LOOK FOR THE FOLLOWING:
Electric Space Heaters or Fans
Closed supply registers
“Part-time” rooms (basement, utility room, guest rooms)
Rooms that require different comfort levels (baby’s room, master suite)
Bonus room over garages
Occupancy patterns (bedrooms upstairs/kitchen family rooms downstairs)
Finished basements or attics
Rooms that are used occasionally
Ask about hot and cold spots and having to adjust the thermostat throughout the
day to be comfortable
6
APRILAIRE ZONED COMFORT CONTROL PRODUCT GUIDE
The fact is that everyone benefits!
How the homeowner wins:
• True zoned comfort
• Lower maintenance costs
• Potential for added Indoor Air Quality benefits
• Energy savings versus a single non-zoned system
How the contractor wins:
• Win more bids
• Make more profit
• Happy builders
How the builder wins:
• Satisfied homeowners
• Potential cost control
• Less time needed by contractor in the home
Today’s homes need Zoned Comfort Control and zoning has many advantages over multiple systems.
Overview of Zoned Comfort Control Systems
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Designing An
Aprilaire Zone System
Is As Easy As
HVAC SYSTEM
SIZING
WHEN ZONING
Designing a system to
incorporate zoning is
really no different than
designing a non-zoned
system. You still need to
size for peak demand
based upon a good
Manual ‘J’ calculation
and you still need to
Designing the Zone System
understand how much
Refer to the Aprilaire® Zoned Comfort Control Design Guide (Form #5001) for complete and
detailed information regarding system design. Here are the basic 1-2-3 steps.
air is to be delivered to
each room, again based
upon Manual ‘J’.
Selecting Zones
The first thing that is required after you have determined what type and size forced
air heating and cooling equipment you will be using is determining which rooms will
make up the various zones for your system. Considerations include:
• Occupancy: group rooms based upon their common occupancy patterns (i.e.,
bedrooms together or living, dining and kitchen together).
• Exposure/Construction: group rooms that have similar load patterns (i.e., first
floor versus second floor, south facing versus north facing).
• Size: ideally, each zone should be approximately equal in size. Having smaller
zones could potentially increase velocity and air noise.
Some additional thoughts:
• The more open the floor plan, the less ability you will have to “contain” the temperatures (air) within zones. Establish your customer’s expectations up front.
CONVENIENT DESIGN
TOOL AVAILABLE FORM #5018
• More is not always better. In the case of zoning, there are significant tradeoffs
when determining zones. Some customers may believe that “more is better,”
which can create unequal, and in some cases, very small zones. Resist the
temptation of selling as many zones as possible since you may never realize the
additional profits due to persistent call-backs. Refer to ‘size’ above.
8
APRILAIRE ZONED COMFORT CONTROL PRODUCT GUIDE
Determine Bypass Method
• Controlled Pressure Relief method: the unique Aprilaire® method of zoning that doesn’t require a
bypass damper and, therefore, minimizes system costs. The Controlled Pressure Relief method
assures a minimum of 85% of design airflow across the evaporative coil at all times, while not affecting
the temperature of non-calling zones by more than 1°F, assuring system performance and comfort.
By following our engineered design methods, which include slightly over-sizing the duct system and
utilizing Aprilaire factory-preset dampers, we relieve pressure into non-calling zones without affecting
the temperature (see Form #5001 for design details).
Controlled Pressure Relief is perfect for
residential new construction applications.
Positives: assures proper airflow; simplifies installation; lowers system costs.
Negatives: may not be applicable to existing systems; each zone must represent at least 25% of
total system airflow.
• Bypass Damper method: allows the system designer to size the ductwork in the same manner as
a non-zoned application. The pressure relief is handled by use of a bypass damper directing
excess airflow back to the return or to a dump zone. This is the most common method when
adding zoning to an existing home.
Determine bypass damper sizing: the purpose of the bypass damper is to maintain airflow
through the HVAC equipment when zone dampers close. Sizing the bypass damper is calculated
considering worst case scenario. Subtract the air flow of the smallest zone from the total system
airflow and the difference is how much air you need to bypass. (Total system CFM - Smallest
zone CFM = Amount of air to bypass). Then, refer to the bypass damper sizing chart for the right
size bypass damper.
Positives: utilizes existing duct design methods; good retrofit option.
Negatives: potential of bypassed air conditioning the return or dump zone; requires plenum
Overview of Zoned Comfort Control Systems
temperature control (included with Aprilaire zone panels).
• Oversize method: entails sizing the ductwork (main and branches) in each zone to accommodate
approximately 70% of the total system airflow.
Positives: no bypass damper is needed; low likelihood of air noise.
Negatives: cost (duct materials); requires additional space; can result in lack of velocity or “throw”
from the registers.
Selecting Zone System Components
The following pages will assist you with selecting the right components for the job.
• Select control panel based upon:
–Type of equipment to be controlled (heat/cool or heat pump, single- or multi-stage)
–Number of zones to be controlled
–Additional feature needs (i.e., customer would like the ability to change thermostat
settings from any thermostat, in which case you would choose the Model 6504)
• Select the correct type and size dampers for the job
• Select the correct thermostats
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Aprilaire Zone Comfort Control Panels
Step One: Select A Zoned Comfort Control Panel
There are three important questions that need to be answered before choosing a control panel:
1
What type of equipment do you want to control? This refers to whether you want to control a
conventional heat/cool system such as a split system furnace and air conditioner or a heat pump.
Aprilaire® works with all types of forced-air systems including gas or electric furnaces, air-to-air or
water source heat pumps, as well as combination systems such as dual fuel set-ups.
2
Is the equipment single-stage or multi-stage? While single-stage is fairly straightforward, multi-stage
equipment may offer choices for the control panel. For example, you may choose to have multi-stage
equipment upstage based on timers or other controls internal to the piece of equipment. If so, use a
single-stage control panel. However, if you are looking for the control panel or the thermostats to
provide staging of the equipment, then a multi-stage control panel is required.
3
How many zones will you be controlling? This is determined by your evaluation of the home or
building as well as the desires of the user. Once determined, select the control panel that fits the
design. In some applications it may be worth considering a panel that provides an extra zone in case
a new zone is added later. For example, if the customer is considering finishing a basement or attic
space at a later date, this extra zone will be available.
Conventional Heat / Cool
1
2
3
Model 6202
Model 6203
Model 6303
Model 6404
Model 6504
Single-Stage
2
3
•
•
•
•
•
•
•
Heat Pump
Multi-Stage
Single-Stage
Multi-Stage
4
4-12
2
3
4
4-12
2
3
4
4-12
2
3
4
4-12
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
The next step in the control panel selection process is to determine whether any additional control features
are desired. The following pages describe the additional features offered with the Aprilaire Zoned Comfort
Control system.
Take some time to read over what each has to offer prior to sitting down with your
prospective customers.
Control Panels
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Step One: Select A Zoned Comfort Control Panel
6202 and 6203 Control Panels
SIMPLE, COST-EFFECTIVE ZONED COMFORT CONTROL
The 6200 Series control panels are designed for single-stage heat/cool
systems only. The simple and straight-forward installation prevents
time wasted on complicated set-up steps that could create a callback.
The simplicity and low cost make the 6200 Series control panels
perfect for new construction applications or as an add-on for an
existing home.
The Model 6202 is for two-zone applications and the Model 6203 can be used for two- or threezone systems. Each has all the basic features required for a solid performing zoned comfort system.
THERMOSTAT REQUIREMENTS
ZONE
All Zones
TYPE
Single-Stage
Heat/Cool
TERMINALS REQUIRED *
RECOMMENDED THERMOSTATS
R (24V-hot)
W (Heat)
Y (Cool)
G (Fan)
Programmable
• Aprilaire Model 8463
• Aprilaire Model 8476
• Aprilaire Model 8570
• Aprilaire Model 8600
• Aprilaire Wireless
Model 8710
Non-Programmable
• Aprilaire Model 8444
*An available “C” terminal (24-volt common) in each zone of the control panel can be used for 24-volt powered thermostats.
Models 6202 and 6203
CONSUMER BENEFITS
CONTRACTOR BENEFITS
ANY ZONE SETS MODE
• Provides true independent control for each zone.
PLENUM TEMPERATURE CONTROL (ADJUSTABLE)
• Protects equipment from excessive high and low temperatures
caused by reduced airflow when small zones are calling.
Sensor included.
CONTINUOUS FAN BY ZONE
• Individual zone thermostats can call for fan operation by zone.
ZONE CHANGEOVER BASED ON TIME
• If calls for opposite modes exist, the control panel will alternate to
satisfy each call.
6202 and 6203 Control Panels
FAN PURGE
• Assures air is directed to last zone(s) calling.
SHORT CYCLE PROTECTION
• Protects the HVAC equipment from too frequent cycling.
MAINTENANCE FREE
• No maintenance or adjustments needed after installation.
L.E.D. STATUS INDICATORS
• Simplifies start up and troubleshooting for the contractor.
TIME DELAY OVERRIDE
• Speeds checkout for the installer.
WORKS WITH TWO OR THREE WIRE DAMPERS
• Compatibility if you are changing out an old panel with
three wire dampers.
FUSE PROTECTION
• Protects the control panel against mis-wiring.
EXTRA FUSE ON BOARD
• Convenience if fuse blows.
ADJUSTABLE PURGE TIMING
• Compatibility with all brands of equipment.
ELECTRIC / NON-ELECTRIC SWITCH
• Proper control of the fan (G-terminal) for either electric
or fossil fuel furnaces.
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6303 Control Panel
Step One: Select A Zoned Comfort Control Panel
THE EASIEST HEAT PUMP CONTROL AVAILABLE
The Model 6303 control panel is designed for single-stage compressor,
heat pump systems only. A single-stage heat/cool (four wire) thermostat
can be used in each zone for the most economical installation solution;
however, a heat pump thermostat can be used in zone one for living space
control of the emergency heat mode. When heat/cool thermostats are used in all zones,
emergency heat is set at the control panel via a convenient switch. Auxiliary heat is controlled by a
fixed timer set for 20 minutes to assure homeowner comfort without expensive heat pump thermostats. The
simplicity and low cost of the Model 6303 make it perfect for new construction applications or existing homes.
THERMOSTAT REQUIREMENTS
ZONE
Zone 1 Only
(Provides control of Emergency
Heat from Thermostat)
Zones 1–3
TYPE
Single-Stage Heat Pump
Single-Stage Heat/Cool
TERMINALS REQUIRED *
RECOMMENDED THERMOSTATS
R (24V-hot)
O (Reversing Valve-Cool)
W (Auxiliary Heat)
Y (Compressor)
G (Fan)
R (24V-hot)
W (Heat)
Y (Cool)
G (Fan)
Programmable
• Aprilaire Model 8465
• Aprilaire Model 8476
• Aprilaire Model 8600
• Aprilaire Wireless
Model 8710
Non-Programmable
• Aprilaire Model 8446
Programmable
• Aprilaire Model 8463
• Aprilaire Model 8476
• Aprilaire Model 8600
• Aprilaire Wireless
Model 8710
Non-Programmable
• Aprilaire Model 8444
*An available “C” terminal (24-volt common) in each zone of the control panel can be used for 24-volt powered thermostats.
Model 6303
CONSUMER BENEFITS
CONTRACTOR BENEFITS
ANY ZONE SETS MODE
• Provides true independent control for each zone.
PLENUM TEMPERATURE CONTROL (ADJUSTABLE)
• Protects equipment from excessive high and low temperatures
caused by reduced airflow when small zones are calling.
Sensor included.
CONTINUOUS FAN BY ZONE
• Individual zone thermostats can call for fan operation by zone.
ZONE CHANGEOVER BASED ON TIME
• If calls for opposite modes exist, the control panel will alternate to
satisfy each call.
SHORT CYCLE PROTECTION
• Protects the HVAC equipment from too frequent cycling.
MAINTENANCE FREE
• No maintenance or adjustments needed after installation.
L.E.D. STATUS INDICATORS
• Simplifies start up and troubleshooting for the contractor.
6303 Control Panel
FAN PURGE
• Assures air is directed to last zone(s) calling.
THERMOSTAT FLEXIBILITY
• Use any four wire heat/cool thermostat in each zone or a heat
pump thermostat in zone one.
TIME DELAY OVERRIDE
• Speeds checkout for the installer.
WORKS WITH TWO OR THREE WIRE DAMPERS
• Compatibility if you are changing out an old panel with
three wire dampers.
ADJUSTABLE PURGE TIMING
• Compatibility with all brands of equipment.
ELECTRIC / NON-ELECTRIC SWITCH
• Proper control of the fan (G-terminal) for either electric
or fossil fuel furnaces.
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Step One: Select A Zoned Comfort Control Panel
6404 Control Panel
THE “ONE” CONTROL PANEL THAT DOES IT ALL
The Model 6404 control panel is the “One” control panel for
any type of zoning application from two to twelve zones. It
can be configured for single- or multi-stage, heat/cool or
heat pump and it’s perfect for residential or light
commercial applications. Simple, four wire thermostats
can be used in all zones. The multiple staging options
offered with the Model 6404 provide you the flexibility to
customize the system around the equipment being
controlled and the desires of your customers. You can
choose from timed-staging (adjustable), set up the
system to stage based upon the number of zones calling, or even use multistage thermostats for the most precise control.
The Model 6402 expansion panel is used with the Model 6404 control panel
to expand from four to twelve zones in two zone increments.
Model 6404 (and 6402)
CONSUMER BENEFITS
CONTRACTOR BENEFITS
ANY ZONE SETS MODE
• Provides true independent control for each zone.
PLENUM TEMPERATURE CONTROL (ADJUSTABLE)
• Protects equipment from excessive high and low temperatures
caused by reduced airflow or bypassing to the return. Sensor
included.
CONTINUOUS FAN BY ZONE
• Individual zone thermostats can call for fan operation.
VACATION OPERATION
• Allows system to operate in setback from the thermostat
designated zone one when leaving for extended periods.
ZONE CHANGEOVER BASED ON TIME
• If calls for opposite modes exist, the control panel will alternate to
satisfy each call.
L.E.D. STATUS INDICATORS
• Visible through the cover, the L.E.D.’s allow your customer to aid in
troubleshooting.
6404 Control Panel
FAN PURGE
• Assures air is directed to last zone(s) calling.
SINGLE CONTROL FOR ALL EQUIPMENT TYPES
• Operates single- or multi-stage heat/cool or heat pump systems up
to twelve zones.
THERMOSTAT FLEXIBILITY
• Use single- or multi-stage heat/cool or heat pump thermostats
depending on the application. Simple four wire heat/cool
thermostats can control any type of equipment.
L.E.D. STATUS INDICATORS (VISIBLE THROUGH COVER)
• Simplifies start up and troubleshooting.
SELECTABLE STAGING OPTIONS
• Stage by time, thermostat input or number of zones calling.
TIME DELAY OVERRIDE
• Speeds checkout for the installer.
SHORT CYCLE PROTECTION
• Protects the HVAC equipment from too frequent cycling.
WORKS WITH TWO OR THREE WIRE DAMPERS
• Compatibility if you are changing out an old panel with three wire dampers.
MAINTENANCE FREE
• No maintenance or adjustments needed after installation.
ADJUSTABLE PURGE TIMING
• Compatibility with all brands of equipment.
DUAL FUEL OPERATION
• Control of heat pumps with fossil fuel auxiliary heat.
MODEL 6402 ZONE EXPANSION PANEL
• L.E.D. indicators simplify start-up and troubleshooting.
• Fuse protected.
• Easy wire 45° angled terminals.
ACCESSORY TERMINALS
• Auxiliary output relays available to control humidifiers, electronic
air cleaners or other accessories tied to heat or blower operation.
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6504 Control Panel
Step One: Select A Zoned Comfort Control Panel
THE ULTIMATE IN COMFORT, CONVENIENCE, AND CONTROL
The Model 6504 is the control panel to choose when your
customers demand the best. It controls all types of HVAC
equipment and provides state-of-the-art features found in no
other control panel offered today.
The system utilizes a Model 8570 premium thermostat in each
zone with a simple, four wire connection to the zone panel,
regardless of the HVAC equipment type (heat/cool, heat pump,
single- or multi-stage). Connection is also provided for an
Aprilaire® automatic humidifier control to share the homes
relative humidity (RH) level and the outdoor temperature with
each thermostat and optimize humidity control. The simple,
menu-driven operation of the Model 8570 provides: easy operation; the
ability to control any zone from any other; and the ability to view RH at each thermostat–
providing user convenience. The built-in ventilation control helps assure a healthful and comfortable home
environment. Simply intelligent!
Model 6504
CONSUMER BENEFITS
CONTRACTOR BENEFITS
UNPARALLELED COMFORT AND CONVENIENCE
• Control temperature based upon the need in each zone.
• “Global changes”—allows changes to any one zone or all zones
from any thermostat in the system.
• Enhanced humidifier performance through extending blower run
time. Each thermostat even displays when the Aprilaire humidifier
is operating.
• View outdoor temperature and indoor relative humidity on every
thermostat. (Aprilaire automatic humidifier control required for
RH display.)
• Maintenance reminders for air filter, humidifier, UV lamp, and HVAC
service assure peak performance and save the homeowner
time by displaying contractor contact information.
SIMPLIFIES SYSTEM SELLING PROCESS
• Makes it possible to present your customer with one buying
decision—a complete Aprilaire Indoor Air Quality system.
• Provides even more value than individual Aprilaire products
through enhanced system capabilities.
SIMPLEST OPERATION
• The Model 8570 thermostat features menu-driven programming for
easy operation–even without a manual.
6504 Control Panel
ASSURES PROPER VENTILATION
• Built-in ventilation control allows the home to “breathe”properly
when equipped with a fresh air damper.
• Won’t bring in outside air that is too hot or cold.
SIMPLE INSTALLATION
• Thermostat wiring is easy. A simple, four wire connection is all
that’s required regardless of system type or accessories used.
• Loaded with self diagnostic features that make installation and
checkout quick and effortless.
• Automatic thermostat recognition with L.E.D. indication.
• System test button and L.E.D. indicators automatically sequence
through all the control outputs to assure operation.
• The system will automatically send a message to the thermostat
display if any set-up options don't coincide between the thermostat
and control panel.
DUAL FUEL OPERATION
• Control of heat pumps with fossil fuel auxiliary heat.
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Step Two: Select Zoned Comfort Control Dampers
The “Engineered Reliability” of
Patented Aprilaire Zoned Comfort
Control Dampers
Aprilaire® residential dampers feature a technological breakthrough in damper design. The patented Flexible
Link™ design used in Aprilaire dampers eliminates the component most prone to failure in competitor’s
residential dampers… GEARS! The simple, yet ultra-reliable design is illustrated below. As the damper motor
rotates the SPOOL, the Flexible Link shortens and the spring-loaded LEVER ARM rotates the blade. When
power to the motor turns off, the spring quietly returns the blade to the open, “Fail-Safe” position. It’s really
that simple.
Dampers
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Rectangular Dampers
Step Two: Select Zoned Comfort Control Dampers
Aprilaire® offers all the rectangular sizes you need for
residential and light commercial applications. Residential sizes
feature the exclusive Flexible Link™ design while the larger, light
commercial sizes (shaded blue in the table) utilize actuators
matched to the needed torque requirements from a wellrespected commercial actuator supplier.
REPLACEMENT PARTS
Model 6992 - Motor (gear shaft) for older Aprilaire and PerfectTemp™ dampers.
(Identified by metal actuator cover.)
Model 6993 - Motor (shaft with two flat sides) for all Flexible Link style Aprilaire
dampers. (Identified by plastic actuator cover.)
Model 6997 - Direct couple motor. (Identified as shaded, light commercial dampers
in chart.)
Nominal Width
Rectangular Dampers
Size & Stock No.
Side
Mount
Nominal Height
(Motor on
short side)
Bottom
Mount
(Motor on
long side)
8"
10"
12"
14"
16"
18"
20"
22"
24"
26"
28"
30"
(200mm) (250mm) (300mm) (350mm) (400mm) (450mm) (500mm) (550mm) (600mm) (650mm) (700mm) (750mm)
8" (200mm)
6721
6722
6723
6724
6725
6726
6727
6728
6729
6730
6731
6753
10" (250 mm)
—
6732
6733
6734
6735
6736
6737
6738
6739
6740
6741
6742
12" (300 mm)
—
—
6743
6744
6745
6746
6747
6748
6749
6750
6751
6752
14" (350 mm)
—
—
—
6754
6755
6756
6757
6758
6759
6760
6761
6762
16" (400 mm)
—
—
—
—
6763
6764
6765
6766
6767
6768
6769
6770
18" (450 mm)
—
—
—
—
—
6771
6772
6773
6774
6775
6776
6777
20" (500 mm)
—
—
—
—
—
—
6778
6779
6780
6781
6782
6783
22" (550 mm)
—
—
—
—
—
—
—
6784
6785
6786
6787
6788
24" (600 mm)
—
—
—
—
—
—
—
—
6789
6790
6791
6792
26" (650 mm)
—
—
—
—
—
—
—
—
—
6793
6794
6795
28" (700 mm)
—
—
—
—
—
—
—
—
—
—
6796
6797
30" (750 mm)
—
—
—
—
—
—
—
—
—
—
—
6798
8" (200 mm)
6721
6812
6813
6814
6815
6816
6817
6818
6819
—
—
—
10" (250 mm)
—
6732
6823
6824
6825
6826
6827
6828
6829
—
—
—
12" (300 mm)
—
—
6743
6734
6835
6836
6837
6838
6839
—
—
—
Rectangular Dampers
RESIDENTIAL FEATURES
LIGHT COMMERCIAL FEATURES (SHADED)
POWER-CLOSE/SPRING-OPEN OPERATION
DIRECT COUPLED, POWER-CLOSE/SPRING-OPEN
TWO WIRE INSTALLATION
TWO WIRE INSTALLATION
24VAC, 6W, 10VA
24VAC, 5W, 7VA
60HZ SYNCHRONOUS TYPE MOTOR
NEMA 2 ENCLOSURE
IMPEDANCE PROTECTED FOR CONTINUOUS STALL
ADJUSTABLE STOP
ADJUSTABLE STOP
35 IN./LB. TORQUE
INSTALLS IN 4.25 INCH SLOT IN DUCT
INSTALLS IN 5.25 INCH SLOT IN DUCT
NOTE: ACTUAL HEIGHT & WIDTH ARE UNDERCUT 0.25 INCH
NOTE: ACTUAL HEIGHT IS UNDERCUT 0.1875 INCH
ACTUAL WIDTH IS UNDERCUT 0.125 INCH
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Round Dampers
Aprilaire® round dampers come in all the sizes you
Step Two: Select Zoned Comfort Control Dampers
need and work well with either rigid metal or flex duct.
Adjustable blade positioning and an integrated foam
seal provide flexibility for any type of zone job.
REPLACEMENT PARTS
Model 6992 - Motor (gear shaft) for 18" and 20" round dampers and older Aprilaire
and PerfectTemp™ round dampers. (Identified by metal actuator cover.)
Model 6993 - Motor (shaft with two flat sides) for all Flexible Link™ style Aprilaire
round dampers. (Identified by plastic actuator cover.)
Round Dampers
Size & Stock No.
Nominal Diameter
6"
7”
8”
9”
10”
12"
14"
16"
18"
20"
(153mm) (178mm) (203mm) (229mm) (254mm) (300mm) (350mm) (400mm) (450mm) (500mm)
Zone (normally-open / power-close)
6606
6607
6608
6609
6610
6612
6614
6616
6618
Ventilation (normally-closed / power-open)
6506
—
6508
—
—
—
—
—
—
6620
6600 Series
SPECIFICATIONS
POWER-CLOSE/SPRING-OPEN OPERATION
TWO WIRE INSTALLATION
24VAC, 6W, 10VA
60HZ SYNCHRONOUS TYPE MOTOR
IMPEDANCE PROTECTED FOR CONTINUOUS STALL
ADJUSTABLE STOP (IN CLOSED POSITION)
6500 Series
SPECIFICATIONS
POWER-OPEN/SPRING-CLOSE OPERATION
TWO WIRE INSTALLATION
Round Dampers
24VAC, 6W, 10VA
60HZ SYNCHRONOUS TYPE MOTOR
IMPEDANCE PROTECTED FOR CONTINUOUS STALL
ADJUSTABLE STOP (IN OPEN POSITION)
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Barometric Bypass Dampers
Step Two: Select Zoned Comfort Control Dampers
Aprilaire® barometric dampers are simple to install and adjust. We
offer all the sizes you need to complete your zoning applications.
Round Dampers
Size & Stock No.
Nominal Diameter
8”
10"
12"
14"
16"
(200mm) (250mm) (300mm) (350mm) (400mm)
Barometric pressure relief (weight activated)
6908
6910
6912
6914
6916
PRODUCT FEATURES
LEFT OR RIGHT HAND MOUNTED WEIGHT ARM
INTEGRATED FOAM SEAL
HORIZONTAL OR UP FLOW ORIENTATION
CRIMPED END FOR EASY INSTALLATION
RIGID CONSTRUCTION HOLDS ITS SHAPE
Static Pressure Bypass Dampers
Static pressure controlled dampers provide a heightened
level of control for your zoning applications, and are
especially beneficial in large systems and those using
variable speed.
REPLACEMENT PARTS
Model 6994- Motor for static pressure dampers
Model 6995- Replacement pressure switch
Model 6996- Tube and probe kit
Round Dampers
Size & Stock No.
Static pressure relief (power activated)
Nominal Diameter
8”
10"
12"
14"
16"
18"
20"
(200mm) (250mm) (300mm) (350mm) (400mm) (450mm) (500mm)
6208
6210
6212
6214
6216
6218
6220
PRODUCT FEATURES
Bypass Dampers
24 VOLT MODULATING ACTUATOR
SOLID STATE PRESSURE SENSOR
ADJUSTABLE PRESSURE RANGE - 0.17 TO 2 INCHES
PRESSURE ADJUSTMENT L.E.D.
INTEGRATED NEOPRENE SEAL
BLADE POSITION INDICATOR
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NEW! Round Slip-In Dampers
Step Two: Select Zoned Comfort Control Dampers
Providing zoned comfort control in homes is now easier with
our Full Line of Round Slip-In Dampers. Aprilaire now offers
our round slip-in damper in 4”, 5”, 6”, 7”, 8” and 10”
diameters.
Virtually every home without zoning has comfort problems.
It is now affordable to zone these homes without costly, and
sometimes impossible, duct modification.
By offering this simple solution, you provide your customers
with true comfort throughout their home, better than
operating constant fan or manually adjusting registers. You
also assure your quality reputation with enhanced customer
satisfaction through increased comfort and reliable,
maintenance-free operation.
ROUND SLIP-IN DAMPER MODEL
Nominal Diameter
Weight (lbs)
2.4 lbs
2.4 lbs
2.6 lbs
2.7 lbs
2.8 lbs
3.2 lbs
Power
Requirement
10VA
10VA
10VA
10VA
10VA
10VA
Resistance
0.02” wc
0.02” wc
0.02” wc
0.02” wc
0.02” wc
0.01” wc
New Retrofit Dampers
Size & Stock
4”
5”
6”
7”
8”
10”
Number
Model
6704
6705
6706
6707
6708
6710
Number
Overall Size
12.6 x 3.8 x 7.3 12.6 x 3.8. x 8.3 12.6 x 3.8 x 9.3 12.6 x 3.8 x 10.3 12.6 x 3.8 x 11.3 12.6 x 3.8 x 13.3
(in)
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Step Three: Select A Thermostat
Aprilaire Thermostats
Aprilaire® has a complete line of thermostats for all your applications, including those that utilize Zoned
Comfort Control.
The process of selecting the correct thermostat for the application is largely the same for both single
thermostats and zoning applications:
• Determine if the application calls for a programmable or a non-programmable thermostat.
• Determine what type of equipment you need to control and/or the requirements of the zone control
panel you will be using.
• Understand the features and capabilities that your customers need.
Choose the Aprilaire thermostat that best fits your consumers’ needs.
The 8400 Series has models available to suit your applications
and are dual powered, so no extra wires are needed when
changing out older thermostats. Advanced features such as air
filter and water panel service monitors, adjustable calibration,
and simplified programming make it a great choice for zoning
or stand-alone applications.
The Model 8600 Touch Screen thermostat is the easiest most
intuitive thermostat to set up, install and use. A truly universal
thermostat, the 8600 fits nearly every application and is
designed to be both installer and homeowner friendly. With
an exclusive “message center” there are no codes to
remember and no manuals to reference, plus the 8600
provides valuable feedback and instructions to the
homeowner. With features like programmable fan, dual
power, built in dual fuel, large 10.3 sq. in. screen, vacation
hold, a no cost custom imprinting program and much much
more, the 8600 is the thermostat for the contractor and
homeowner who desire sophisticated simplicity. The 8600 is
configurable to operate in commercial applications as well.
Electronic Thermostats
The Model 8800 communicating thermostat provides your
customer with the ultimate temperature control experience.
The communication feature allows the thermostats to be
remotely controlled through a standard computer making the
system the most convenient way to control comfort and
energy usage.
The Model 8710 is Aprilaire’s first wireless thermostat.
Wireless thermostats offer the ultimate in installation
flexibility in zoning applications or when an HVAC upgrade
would require additional wires to be run through walls. The
8710 is a two piece system comprised of the thermostat and
the control module.
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8400 Series Thermostats
Step Three: Select A Thermostat
The 8400 Series thermostats provide exceptional value for you and your
customers because they are easy to install, program and operate.
Programmable models are the easiest on the market—they even tell
you when programming is “DONE”.
By offering and installing Aprilaire®—the most respected premium
brand in the HVAC industry for over 60 years—you and your customers
will enjoy maximum value, reliability, and easy operation, all of which
have been proven in extensive field testing.
The 8400 Series integrate easily with other Aprilaire products by informing your customers when to replace their
humidifier water panel and air filter, protecting your customer’s investments, and reminding them to call you.
Model 8476 Universal Programmable Thermostat with Event-BasedTM Air Cleaning.
The 8476 combines the features of our Model 8466 universal, programmable thermostat with Event Based
Control of the HVAC system’s fan. This allows the consumer to automatically circulate air throughout their home
periodically throughout the day or for a specific period of time to provide greater comfort through cleaner air and
more even temperatures. The 8476 will also tell the consumer when it is time to change the air filter.
Choose from these models to complete your quality installations:
Programmable
Model 8463 – Conventional, Single-Stage 1H/1C, Dual Powered (5/2 or 5/1/1 day)
Model 8465 – Heat Pump, Single Stage Comp. w/ Auxiliary Heat 2H/1C, Dual Powered (5/2 or 5/1/1 day)
Model 8466 – Universal, Multi-Stage 2H/2C or 4H/2C Heat Pump, Dual Powered (5/2 or 5/1/1 day)
Model 8476 – Programmable Thermostat with Event-BasedTM Air Cleaning, Universal, Multi-Stage 2H/2C or 4H/2C Heat
Pump, Dual Powered (5/2 or 5/1/1) with Event BasedTM Air Cleaning
Non-Programmable
Model 8444 – Conventional, Single-Stage 1H/1C, Dual Powered
Model 8446 – Heat Pump, Single Stage Comp. w/ Auxiliary Heat 2H/1C, Dual Powered
Model 8448 – Universal, Multi-Stage 2H/2C or 4H/2C Heat Pump, Dual Powered
8400 Series
CONSUMER BENEFITS
CONTRACTOR BENEFITS
ENERGY SAVINGS
• Set back temperature overnight or when you’re away*
DUAL FUEL OPERATION
AVOID HOT AND COLD SPOTS
• Circulate fan mode maintains consistent temperature throughout
your home and keeps your air clean
EASY TO READ
• Large 4.5 square inch LCD with high contrast
OUTSIDE TEMPERATURE DISPLAY
• Available with optional sensor
MORE COMFORT
• Progressive recovery system gradually starts your heating and
cooling to achieve your desired temperature at the time you want*
DUAL FUEL KIT BUILT IN
• No need for an external dual fuel kit (Requires 8052 Outdoor
Temperature Sensor)
8400 Series Thermostats
CONVENIENT SERVICE REMINDERS
• Keeps your system running at peak efficiency
LARGE BACKLIT DISPLAY
DUAL POWER
MAINTENANCE REMINDERS
CIRCULATE FAN MODE
CUSTOM CONTRACTOR IMPRINTING
• Imprint your company info and logo on the 8400 thermostat so
customers call you.
UNIVERSAL MODELS AVAILABLE (8448/8466)
5 YEAR WARRANTY
*PROGRAMMABLE MODELS ONLY
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Step Three: Select A Thermostat
8600 Thermostat
If the convenience and simplicity of a touch screen
thermostat is what you want, the 8600 is the
thermostat for you.
The truly universal thermostat is perfect for
conventional, heat pump, GEO, single stage, multi
stage residential and light commercial applications.
Not only is the 8600 compatible with nearly every
application, but it is also the easiest to install due to
it’s exclusive message center which gives the
installer real language options with no codes to remember. There is no need to reference the manual,
leading to quicker installs and more profits.
Model 8600
CONSUMER BENEFITS
CONTRACTOR BENEFITS
LARGE 10.3 SQ. IN. TOUCH SCREEN DISPLAY
• Bright backlit display and large screen makes the 8600 easy to read.
REAL LANGUAGE PROGRAMMING
• No codes to remember, no manual to reference.
INTUITIVE INTERFACE
• Simple and easy to use interface.
UNIVERSAL SYSTEM COMPATIBILITY
• Compatible with Conventional, Gas, Oil Electric, Heat Pump, GEO,
Hot water…
• Up to 2H/2C Conventional and 4H/2C Heat Pump.
- Ideal for both residential and commercial applications
- Selectable operation: programmable or non-programmable
EXCLUSIVE MESSAGE CENTER
• Provides feedback and real language instructions.
EQUIPMENT MONITORS
• Informs the user when to change their air filter, service their
humidifier, dehumidifier or service their HVAC equipment. This
results in greater comfort, maximum operating efficiency, long
equipment life and a satisfied customer.
AVOID HOT AND COLD SPOTS
• Programmable fan and circulate fan mode helps to maintain
consistent temperature throughout your home and keeps air clean.
DISPLAYS OUTDOOR TEMPERATURE
• Available with optional outdoor sensor.
MULTIPLE HOLD OPTIONS BALANCES ENERGY SAVINGS AND COMFORT
• Vacation hold, custom timed hold, permanent hold and
temporary hold.
8600 Thermostat
PROGRESSIVE RECOVERY (SELECTABLE)
• Assures that the heating and cooling equipment starts at the
optimum time to reach your chosen set point after a setback.
DUAL FUEL OPERATION
DUAL FUEL KIT BUILT IN
• No need for an external dual fuel kit (Requires 8052 Outdoor
Temperature Sensor).
DUAL POWER
• Battery and/or 24VAC.
CUSTOM CONTRACTOR IMPRINTING
• Imprint your company info and logo on the 8600 thermostat so
customers call you.
MAINTENANCE REMINDERS
• Informs customers their system needs service.
5 YEAR WARRANTY
PERMANENT PROGRAM MEMORY
• The program and all application settings are permanently stored
even in the event of a power outage.
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8570 Thermostat
Step Three: Select A Thermostat
THE “ONE” THERMOSTAT
Whether the application is heat/cool or heat pump, singleor multi-stage, residential or light commercial, the Model
8570 is the thermostat to help build your business.
The Model 8570 thermostat provides exceptional value
for you and your customers because it is easy to install,
program, and operate.
Boasting a large, easy-to-read, vibrantly backlit display,
this thermostat provides more “at-a-glance” information
about the HVAC system, its accessories, and the indoor
and outdoor environment than any other thermostat.
Plus, its menu-driven operation is so intuitive, both you and your customers will find it simple to
program—even without the manual. It’s that easy. No more nuisance callbacks.
Model 8570
CONSUMER BENEFITS
CONTRACTOR BENEFITS
SIMPLE PROGRAMMING AND OPERATION AVAILABLE
• Menu-driven approach results in the ultimate simplicity.
UNIVERSAL SYSTEM COMPATIBILITY
• Compatible with Conventional, Gas, Oil Electric, Heat Pump, GEO,
Hot water…
• Up to 2H/2C Conventional and 3H/2C Heat Pump.
- Ideal for both residential and commercial applications
- Selectable operation: programmable or non-programmable
LARGE BACKLIT DISPLAY
• Convenient viewing at any light level.
EQUIPMENT MONITORS
• Informs the user when to change their air filter, service their
humidifier or service their HVAC equipment. This results in greater
comfort, maximum operating efficiency, long equipment life and a
satisfied customer.
DISPLAYS OUTDOOR TEMPERATURE AND INDOOR RELATIVE HUMIDITY
• Available with optional outdoor sensor or automatic humidifier
control, the thermostat becomes your personal indoor environment
center.
VACATION HOLD
• Allows the thermostat’s program to be overridden until the date and
time you select–whether you’re away for hours, days or weeks.
PROGRESSIVE RECOVERY (SELECTABLE)
• Assures that the heating or cooling equipment starts at the optimum
time to reach your chosen set point after an overnight set back.
SIMPLE PROGRAMMING AND OPERATION
• Reduces nuisance calls associated with old fashioned
programmable thermostats.
• Intelligent installation options.
• Create intelligent solutions through connection to an Aprilaire
automatic humidifier control or Model 6504 zone control panel.
• View or control other thermostats through the Model 6504.
• Extend blower operation for added humidification run time.
• Displays when the humidifier is operating.
• View outdoor temperature and indoor relative humidity.
CUSTOM CONTRACTOR IMPRINTING
• Company information is stored in the 8570 and displays when a
service reminder is triggered.
8570 Thermostat
PERMANENT PROGRAM MEMORY
• The program and all application settings are permanently stored
even in the event of a power outage.
DUAL FUEL KIT BUILT IN
• No need for an external dual fuel kit (Requires 8052 Outdoor
Temperature Sensor).
MAINTENANCE REMINDERS
• Informs customers their system needs service.
5 YEAR WARRANTY
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Step Three: Select A Thermostat
8710 Thermostat
The Model 8710 is Aprilaire's first wireless thermostat.
Wireless
thermostats offer the ultimate in installation flexibility in zoning
applications or when an HVAC upgrade would require additional wires to
be run through the walls. The 8710 is a two piece system comprised of the
Thermostat and the Control Module.
Model 8710
CONSUMER BENEFITS
CONTRACTOR BENEFITS
7 DAY PROGRAMMABLE, 4 EVENTS/DAY OR NON-PROGRAMMABLE
WIRELESS CONTROL UP TO 100’ TRANSMISSION RANGE OFFERS THE
ULTIMATE IN INSTALLATION FLEXIBILITY IN ZONING APPLICATIONS OR
WHEN AN HVAC UPGRADE WOULD REQUIRE ADDITIONAL WIRES TO BE
RUN THROUGH THE WALLS.
COPY FUNCTION FOR EASY SCHEDULE PROGRAMMING
AUTO CHANGEOVER
BACKLIGHT
5 YEAR WARRANTY
UNIVERSAL THERMOSTAT, SINGLE STAGE OR MULTI-STAGE, HEAT PUMP
(3H/2C) OR HEAT/COOL (2H/2C)
EASY ADDRESSING FUNCTION ALLOWS MULTIPLE 8710 TO BE USED IN
SAME LOCATION
BUILT-IN DUAL FUEL OPERATION
ADJUSTABLE DIFFERENTIAL FOR ALL STAGES
OPTIONAL STAGING BASED ON TIME
INSTALLER SETTABLE MAXIMUM HEATING AND MINIMUM COOLING
SET-POINT TEMPERATURES
8710 Thermostat
CONTROL MODULE HAS MULTI-COLOR LED TO INDICATE TYPE OF HVAC
CALL AND COMMUNICATION STATUS.
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8800 Thermostat
Step Three: Select A Thermostat
The 8800 communicating thermostat is the heart of
Aprilaire’s HVAC Automation System. These thermostats
combined with the model 8826 System Controller allows for
each thermostat to be remotely controlled from any
computer inside or outside the home. Schedule, change set
points, monitor and control all aspects of your thermostats
with a simple point and click of your mouse.
In addition, many homes are being fitted with automation
packages that control HVAC, lighting, audio, video,
sprinklers,
and
security.
Aprilaire
communicating
thermostats is the brand of choice in the home automation
market with over two dozen integrated manufacture
partners making them a perfect fit when those systems are
being installed.
Model 8800
Easy-to-use Operator Interface
CONSUMER BENEFITS
CONTRACTOR BENEFITS
BROWSER BASED MENU DRIVEN GRAPHICAL USER INTERFACE
• Easy-to-use operation. No additional software training required.
THE “ONE” THERMOSTAT FOR YOUR BUSINESS
REMOTE ACCESSIBILITY
• Allows off-site troubleshooting and changes to programming.
Manage multiple facilities.
CONTROLS EITHER SINGLE- OR MULTI-STAGE EQUIPMENT
STAND ALONE OPERATION
• Assures uninterrupted equipment operation.
SYSTEM ALERTS
• The Automation system can alert when vital temperature or humidity
values go out of range.
IDEAL FOR BOTH RESIDENTIAL AND LIGHT COMMERCIAL APPLICATIONS
COMPATIBLE WITH VIRTUALLY ALL TYPES OF EQUIPMENT – SPLIT
SYSTEM, ROOFTOP, HYDRONIC, HEAT PUMPS (INCLUDING DUAL FUEL),
ETC.
LESS COMPLEX AND LESS COSTLY THAN OTHER SYSTEMS
OFFER YOUR CUSTOMER CONVENIENCE AND ENERGY SAVINGS
BENEFITS WITH A SYSTEM THAT IS EASY FOR YOU TO INSTALL AND
AFFORDABLE FOR YOUR CUSTOMER
FAN CONTROL OPTIONS
• Allows for flexible scheduling to meet your needs.
HEAT COOL SCHEDULES
• Provides 4 events per day for maximum comfort providing flexibility
and energy savings.
8870 Thermostat
MULTIPLE MASTER SCHEDULES
• Saves time when setting individual thermostat schedules by copying
from your customized menu of schedules.
HOLIDAY SCHEDULES
• Allows different temperature set points when building is unoccupied
outside of the standard program
PASSWORD PROTECTION
• Prevents tampering by unauthorized personnel. Three layers of
security allow different levels of access.
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Step Three: Select A Thermostat
Thermostat Accessories
Model 8051 Flush Mount Sensor
• Provides opportunity to remotely mount the thermostat out of view.
• May be painted or wallpapered to be virtually invisible.
• Attaches directly to the Model 8570 thermostat with two wire connection.
• Probe is 1.5” diameter. Friction fit in a one inch opening.
Model 8052 Outdoor/Duct Sensor
• Designed for outdoor or duct installation (including with zone control panels).
• Bracket can be removed to allow probe to be installed in radiant floor applications.
• Compatible with both residential and light commercial applications.
• Probe dimensions: 0.25” x 1.75”. Bracket dimensions: 0.75” x 1.75”.
Model 8053 Surface Mount Sensor
• Provides opportunity to remotely mount the thermostat out of view.
• Designed for indoor installation.
• Perfect for light commercial applications to prevent thermostat tampering.
• Dimensions: 2.5” x 3.5” x 0.875”.
Model 8022 3-wire to 4-wire Adapter
Any two thermostat equipment terminals can be combined with the diode pair (not
24V hot or common) and wired to the Model 8022 through one wire avoiding the need
to run new thermostat cable.
• Provides an extra wire without pulling new.
• Ideal for equipment upgrades (single- to multi-stage, etc.).
• Allows you to bypass a broken wire inside a wall.
• Output: 3.2A. Dimensions: 2.375” x 3.875” x 1.25”.
Thermostat Accessories
Model 8023 Thermostat Adapter Plate
•
•
•
•
Use to cover marks left on wall or wall paper when replacing thermostats.
Matches color of Aprilaire thermostats.
Pre-marked drilling holes simplify installation.
Dimensions: 5.625” x 8” x 0.21875”.
Model 8024 Universal Relay Pack
This relay card is a general purpose, 24-volt, three relay, dry contact, switching device.
Each relay can be switched independently with the coils sharing a common leg.
• Input: 24VAC +/-10%. Output: 24VAC; 2A (maximum).
28
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Aprilaire Zoned Comfort Control Panel
Wiring Diagrams
APRILAIRE MODEL 6202 AND 6203 CONTROL PANELS
WIRING DIAGRAM
Single-stage furnace and air conditioner application.
CONTROL PANEL TERMINAL DESIGNATIONS
R
C
W
Y
G
24V (hot) Thermostat voltage
24V (com) T-stat (if required) &
damper voltage
Heat (thermostats and equipment)
Cooling (thermostats and equipment)
Fan (thermostats and equipment)
NC
NO
RH
RC
24VAC
Normally closed damper output
Normally opened damper output
Heating transformer—24V (hot)
Cooling transformer—24V (hot)
Voltage source for control panel,
T-stats and dampers
PRODUCT SPECIFICATIONS
Control Panel Wiring Diagrams
RATED VOLTAGE
RATED CURRENT
FUSE RATING
MAXIMUM AMBIENT TEMPERATURE
RH AND RC TERMINALS
PLENUM SENSOR
HIGH LIMIT TEMPERATURE
PLENUM SENSOR
LOW LIMIT TEMPERATURE
20 to 30 VAC
3 amp
3 amp, slow blow fuse
140˚F
Independent heat and cool relays for
2 transformer systems
Selectable between 140˚F – 170˚F
Selectable between 40˚F and 45˚F
TRANSFORMER REQUIREMENTS
REQUIRED VA
40
75
Recommend the 8028
Damper Power
Distribution Panel
MAX. # OF
POWERED
DAMPERS
3 or Less
4 thru 6
7 or more
ADDITIONAL INSTALLATION FEATURES
• 45 degree angled terminals
• Enclosure accommodates wiring from the side or rear
• Wiring diagram on front cover
• Available terminal for 24 volt powered stats
• Compatible with common power-stealing thermostats
30
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APRILAIRE MODEL 6303 CONTROL PANEL
WIRING DIAGRAM
Single-stage heat pump with auxiliary heat application.
CONTROL PANEL TERMINAL DESIGNATIONS
R
C
W/W2
Y
G
24V (hot) Thermostat voltage
24V (com) T-stat (if required) &
damper voltage
Heat or Auxiliary Heat (thermostats
and equipment)
Cooling or Compressor (thermostats
and equipment)
Fan (thermostats and equipment)
O
B
NC
NO
RH
RC
24VAC
Reversing Valve—Cool
Reversing Valve—Heat
Normally closed damper output
Normally open damper output
Heating transformer—24V (hot)
Cooling transformer—24V (hot)
Voltage source for control panel,
T-stats and dampers
PRODUCT SPECIFICATIONS
PLENUM SENSOR
HIGH LIMIT TEMPERATURE
PLENUM SENSOR
LOW LIMIT TEMPERATURE
20 to 30 VAC
3 amp
3 amp, slow blow fuse
140˚F
Independent heat and cool relays for
2 transformer systems
Selectable between 120˚F and 160˚F
Selectable between 40˚F and 45˚F
Control Panel Wiring Diagrams
RATED VOLTAGE
RATED CURRENT
FUSE RATING
MAXIMUM AMBIENT TEMPERATURE
RH AND RC TERMINALS
TRANSFORMER REQUIREMENTS
REQUIRED VA
40
75
Recommend the 8028
Damper Power
Distribution Panel
MAX. # OF
POWERED
DAMPERS
3 or Less
4 thru 6
7 or more
ADDITIONAL INSTALLATION FEATURES
• 45 degree angled terminals
• Enclosure accommodates wiring from the side or rear
• Wiring diagram on front cover
• Available common terminal for 24 volt powered stats
• Compatible with power-stealing thermostats
• Fuse protection with extra fuse on board
• Convenient control of Emergency Heat through thermostat or on
board switch
• Emergency heat led indication through control
panel cover
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31
APRILAIRE MODEL 6404 CONTROL PANEL
ZONE 1
B
ZONE 2
ZONE 3
DAMPER
POWER
C R
ZONE 4
COM NC NO COM NC NO COM NC NO COM NC NO
CONTROL
PANEL
POWER
R C
HUM
EAC
CONTROL PANEL
TERMINAL DESIGNATIONS
EP_OUT
R
C
A
B
HVAC EQUIPMENT
O
R
C
W2
Y2
W1
Y1
G
RH
POWER
RC
R
C
W
Y
B
O
G
2S
HUM
R
ZONE 3
R
C
W
Y
O
G
2S
THERMOSTAT CONNECTIONS
ZONE 2
C
W
Y
O
G
2S
ZONE 1
HEAT PUMP
ELECTRIC
NO PURGE
T.D.O.
(TIME DELAY
OVERRIDE)
ON OFF
ANY ZONE
HEAT/COOL
GAS
PURGE
ON OFF
D
C
#ZONES TO STAGE
B
A
45
CL:40
PLENUM SENSOR
HT:170
140
ON OFF
D
B
D
B
ZONE 4
R
C
W
Y
O
G
2S
C
A
C
A
ZONE/VAC
SELECTOR
OFF/ON
Y2
W2
COOLING
FAN ON
VAC
E-HEAT
O
B
2S
NC
NO
24VAC
ZONE 2
ZONE 3
E-HEAT
SELECTOR
OFF/ON
W/W1
HEATING
ZONE 1
AUX. MINUTES
G
Y/Y1
EAC
STAGE MINUTES
SPARE FUSE
PLENUM
SENSOR
LED’s VISIBLE THROUGH THE ENCLOSURE
FUSE - 3A
ZONE 1
24V (hot) Thermostat voltage
24V (com) T-stat (if required) &
damper voltage
Fan (thermostats and equipment)
1st Stage Cooling or Compressor
(thermostats and equipment)
1st Stage Heat or Auxiliary Heat
(thermostats and equipment)
2nd Stage Cooling or Compressor
(equipment)
2nd Stage Heat or Emergency Heat
(equipment)
Reversing Valve—Cool
Reversing Valve—Heat
2nd Stage Heat and/or 2nd Stage Cool
(thermostats)
Normally closed damper output
Normally open damper output
Voltage source for control panel,
thermostats and dampers
Heating transformer—24V (hot)
Cooling transformer—24V (hot)
Auxiliary relay active w/ heat calls
Auxiliary relay active w/ blower
operation
Expansion panel connections
ZONE 4
RH
RC
HUM
EAC
A&B
PRODUCT SPECIFICATIONS
Control Panel Wiring Diagrams
RATED VOLTAGE
RATED CURRENT
FUSE RATING
MAXIMUM AMBIENT TEMPERATURE
RH AND RC TERMINALS
PLENUM SENSOR
HIGH LIMIT TEMPERATURE
PLENUM SENSOR
LOW LIMIT TEMPERATURE
20 to 30 VAC
3 amp
3 amp, slow blow fuse
140˚F
Independent heat and cool relays for
2 transformer systems
Selectable between 140˚F and 170˚F
Selectable between 40˚F and 45˚F
TRANSFORMER REQUIREMENTS
REQUIRED VA
40
75
Recommend the 8028
Damper Power
Distribution Panel
MAX. # OF
POWERED
DAMPERS
3 or Less
4 thru 6
7 or more
ADDITIONAL INSTALLATION FEATURES
• 45 degree angled terminals
• Enclosure accommodates wiring from the side or rear
• Wiring diagram on front cover
• Available common terminal for 24 volt powered stats
• Compatible with power-stealing thermostats
• Fuse protection with extra fuse
32
• Convenient control of Emergency Heat through thermostat or on
board switch
• Selectable - any zone sets mode or zone one sets mode
• Electric/non-electric selectable - proper control
of the fan (G-terminal) for either electric or fossil
fuel furnaces
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APRILAIRE MODEL 6504 CONTROL PANEL
W2
O
B
6
2
POWER
4
ERV/
Vent
ZONE 1
EAC
EAC
10
CONTROL PANEL
TERMINAL DESIGNATIONS
ZONE 1 ZONE 2 ZONE 3 ZONE 4
DAMPER DAMPER DAMPER DAMPER
DAMPER
FUSE
MAIN FUSE
HVAC EQUIPMENT
RH
RC
G
Y1
Y2
W1
DAMPER
POWER
24 VAC
1
7
ON
OFF
ZONE 2
13
R
AHC
C
I+
I-
ZONE 3
AHC LINK
12
8
ZONE 1
R
C
ZA
ZB
ZONE 2
ZONE 4
ZONE 3
THERMOSTAT CONNECTIONS
R
C
ZA
ZB
R
C
ZA
ZB
R
C
ZA
ZB
SINGL
H
C
F
LINK
H
C
F
LINK
ON
ERV
HP
45
140
ELEC.
NO PURGE
3
H
C
F
LINK
ZONE 4
MULTI-STAGE
ERV/
Vent
OFF
VENT
5
FAN ON
HC EQUIP.
PLENUM SENSOR
40 LOW LIMIT
170 HIGH LIMIT
ERV/Vent
GAS
PURGE
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
11
# of ZONES
USED
# OF ZONES
STAGED
EAC
9
HUM
H
C
F
LINK
VENT TIME
VENT CYCLE
HEAT
5
ODT
ODT
PLENUM
SENSOR
15
14
RESET
COOL
TEST
PRODUCT SPECIFICATIONS
PLENUM SENSOR
HIGH LIMIT TEMPERATURE
PLENUM SENSOR
LOW LIMIT TEMPERATURE
20 to 30 VAC
3 amp
3 amp, slow blow fuse
140˚F
Independent heat and cool relays for
2 transformer systems
Selectable between 140˚F and 170˚F
Selectable between 40˚F and 45˚F
ADDITIONAL INSTALLATION FEATURES
• 45 degree angled terminals
• Enclosure accommodates wiring from the side or rear
• Wiring diagram on front cover
• Fuse protection with extra fuse
G o t o w w w. a p r i l a i r e p a r t n e r s . c o m t o o r d e r l i t e r a t u r e o r d o w n l o a d p r o d u c t d o c u m e n t a t i o n .
Control Panel Wiring Diagrams
RATED VOLTAGE
RATED CURRENT
FUSE RATING
MAXIMUM AMBIENT TEMPERATURE
RH AND RC TERMINALS
(1) 24 VAC power input serves thermostat
and AHC connection.
(2) POWER L.E.D. light blinks at once per
second with power applied unless put in
Test Mode when it blinks twice per
second .
(3) Four sets of thermostat inputs. H(eat)
L.E.D. lights when the thermostat when
calls for heating, C(ool) L.E.D. lights
when calling for cooling, F(an) L.E.D.
lights when calling for continuous fan
and the LINK L.E.D. is the lit
continuously when a thermostat is
connected.
(4) L.E.D.s for all HVAC Equipment outputs.
(5) Visible (with the cover on) L.E.D.s to
indicate when the system is Heating,
Cooling and operating the Fan.
(6) Separate power input for 2- or 3-wire
dampers
(7) ZONE L.E.D.s light when the Normally
Open (NO) contact is closed.
(8) Automatic Humidifier Control
connections; LINK L.E.D. lights when the
AHC is communicating to the control
panel.
(9) HUM L.E.D. lights when the Humidifier
valve is on.
(10) Outputs for ERV/Ventilation and
Electronic Air Cleaner (EAC) control.
(11) L.E.D. indicates when ERV/Vent or EAC
relay is closed.
(12) Dip switch setting to configure HVAC
outputs, activates/deactivates
ERV/Vent outputs and set period and
frequency for ventilation control.
(13) Jumper to turn on/off EAC control.
(14) Inputs for outdoor temperature sensor
and plenum temperature sensor.
(15) Test button for automatic test
sequence. Reset button momentarily
breaks power to control panel
microcontroller.
33
Notes
Notes
34
G o t o w w w. a p r i l a i r e p a r t n e r s . c o m t o o r d e r l i t e r a t u r e o r d o w n l o a d p r o d u c t d o c u m e n t a t i o n .
Notes
Notes
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35
We’re here to help
Technical Support: 800-334-6011
The top-notch Aprilaire technical support staff is
available from 7:00 a.m. through 5:00 p.m. Central
Standard Time to assist you with any product or
application questions you may have.
Contractor Website: www.aprilairepartners.com
A full library of product literature, installation
instructions, and technical documents is available
24/7 for your convenience. Download what you
need or place an order for literature right on-line.
Local District Sales Manager
Call your local Aprilaire Representative or call
1-800-334-6011 and we’ll put you in touch with them.
PO Box 1467, Madison, WI 53701 • 800-334-6011 • www.aprilairepartners.com
Form No. 5050 4.12
Printed in USA
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