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Model 6401 Zoned Comfort Control
Installation Instructions
Safety & Installation Instructions
TABLE OF CONTENTS
SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
CONTROL PANEL LAYOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
CONTROL PANEL INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Run wire for system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Mount the expansion panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
SET EXPANSION PANEL ADDRESS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Model 6401
WIRE THE SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Confirm that the proper transformers have been selected
for the 6404 control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Wire zone dampers to the expansion panel . . . . . . . . . . . . . . . . . . . . . . . 6
Select and wire thermostats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Wire expansion panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
SEQUENCE OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
SYSTEM STARTUP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
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Summary of Contents for Aprilaire 6401
- Page 1 Model 6401 Zoned Comfort Control Installation Instructions Safety & Installation Instructions Model 6401 TABLE OF CONTENTS SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 WIRE THE SYSTEM .
- Page 2 SAFETY INSTRUCTIONS Read this installation manual before beginning installation of the Aprilaire® Zoned Comfort Control. For questions call Aprilaire customer support at (800) 334-6011 or visit AprilairePartners.com. WARNING 1. 120 volts may cause serious injury from electrical shock. Leave power disconnected until installation is complete.
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Page 3: Control Panel Layout
3. OUTPUT TO NEXT EXPANSION PANEL (EP_OUT) a. Dedicated 24 VAC power input for 2- or 3-wire dampers . Output from this 6401 expansion panel to the input of the next 6401 expansion panel . The green power LED will be solid if communications b. -
Page 4: Model
IMPORTANT: Avoid running thermostat, expansion panel and sensor wire alongside line voltage and high current carrying conductors (motors). This will prevent potential interference and ensure proper operation of the Zoned Comfort Control system. FIGURE 2 THERMOSTAT MODEL 6404 ZONED COMFORT CONTROL MODEL 6401 EXPANSION PANEL EXPANSION PANEL POWER EXPANSION ZONE 1 DAMPER CLOSED... -
Page 5: Set Expansion Panel Address
SET EXPANSION PANEL ADDRESS There are four address dip switches located on the 6401 panel . Each 6401 expansion panel (up to four total) must be assigned its own unique address, 1 through 4 . Refer to TABLE 1 for dip switch settings . -
Page 6: Wire Zone Dampers To The Expansion Panel
WIRE ZONE DAMPERS TO THE EXPANSION PANEL 1. Run 2-conductor thermostat wire for spring return dampers (normally open or normally closed) . Run 3-conductor thermostat wire for power open/power close dampers . Multiple dampers for the same zone can be paralleled together as shown . 2. -
Page 7: Wire Expansion Panels
. EXPANSION ZONE 1 3. Connect a dedicated transformer to the Damper POWER Power R and C terminals on the first 6401 expansion panel . For additional 6401 expansion DAMPER 1 panels, damper power can be daisy chained as shown in FIGURE 5 . -
Page 8: Sequence Of Operation
2. Power up the 6404 zone panel transformer – do not power the HVAC equipment . • Verify that the green power LED on the 6404 zone panel is on and the green power LED on the 6401 and any additional 6401 expansion panels is blinking (approximately once per second) .
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