Aprilaire 8346 User's Guide download pdf (Page 14)

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PLENUM TEMPERATURE CONTROL (ADJUSTABLE)

• Protects equipment from excessive high and low temperatures

caused by reduced airflow or bypassing to the return.

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.

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.

ACCESSORY TERMINALS

• Auxiliary output relays available to control humidifiers, electronic

air cleaners or other accessories tied to heat or blower operation.

DUAL FUEL OPERATION

• Control of heat pumps with fossil fuel auxiliary heat.

Model 6404 (and 6402)

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 multi-

stage 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.

Step One: Select A Zoned Comfort Control Panel

ANY ZONE SETS MODE

• Provides true independent control for each zone.

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.

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.

MODEL 6402 ZONE EXPANSION PANEL

• L.E.D. indicators simplify start-up and troubleshooting.

• Fuse protected.

• Easy wire 45° angled terminals.

CONSUMER BENEFITSCONSUMER BENEFITS CONTRACTOR BENEFITS

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6404 Control Panel

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Aprilaire 8346 User's Guide Page 14

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