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Summary of Contents for Aprilaire Zoned Comfort Control 6404
- Page 1 Model 6404 & 6403 Zoned Comfort Control ® Safety & Installation Instructions READ AND SAVE THESE INSTRUCTIONS 61001165A 6403-6404 Zoned Comfort Control Install.indd 1 11/3/15 2:55 PM...
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Page 2: Table Of Contents
SAFETY INSTRUCTIONS ......... . 2 Read this installation manual before beginning installation of the Aprilaire®... -
Page 3: Specifications
SPECIFICATIONS INPUT RATINGS FIGURE 1 – ZONE PANEL DIMENSIONS IN INCHES (mm) Voltage: 18-30VAC 50/60 Hz MAXIMUM CURRENT Damper output per zone (fused): 18VA at 158°F, 30VA at 90°F Zone panel and thermostats (fused): 18VA at 158°F, 30VA at 90°F Zone panel consumption: 4VA max Note: Use 18 or 20 AWG solid (non-stranded) wire 14.72 (374) -
Page 4: Zone Panel Layout
ZONE PANEL LAYOUT TERMINALS LEDs 1. HVAC – HVAC connection 15. POWER – Green: 24VAC is present. Flashing: TDO button is pressed. 2. ZONE 1 THERMOSTAT – Thermostat connection 16. HEATING – Green: Heating is active. Flashing: DAT high temperature limit reached. -
Page 5: Installation
INSTALLATION MOUNTING 1. Separate the zone panel cover from the FIGURE 3 FIGURE 4 – MOUNTING HOLE LOCATIONS base. See FIGURE 3. 2. Use the base as a USE TWO SCREWS WHEN ATTACHING TO A WALL STUD template to drill mounting holes. -
Page 6: Wiring
WIRING WARNING FIGURE 6 – WIRE TIE MOUNTS 120 volts may cause serious injury from electrical shock. Sudden operation may cause serious injury from moving parts. Leave power disconnected until installation is complete. Follow these steps for all system connections. Wiring will vary depending on equipment. -
Page 7: Zone Damper Wiring
ZONE DAMPER WIRING • Run 2-conductor thermostat wire for spring return dampers (normally open or normally FIGURE 9 – NORMALLY OPEN / POWER CLOSE DAMPERS closed). • Run 3-conductor thermostat wire for power open/power close dampers. • Multiple dampers for the same zone can be wired in parallel as shown in FIGURES 9 &... -
Page 8: Discharge Air Temperature Sensor (Included)
DISCHARGE AIR TEMPERATURE SENSOR (INCLUDED) • Wire the discharge air temperature sensor Model 8052 to the “DAT” terminals as FIGURE 12 – DISCHARGE AIR TEMPERATURE SENSOR shown. See FIGURE 12. • Maximum distance of the sensor from the zone panel is 300 feet. •... -
Page 9: Expansion Panels (Optional - Model 6404 Only)
EXPANSION PANELS (OPTIONAL – MODEL 6404 ONLY) Up to four expansion panels, each with 2 zones, can be added to the zone panel if additional zones are required. To add Model 6401 expansion panels, follow these steps: 1. Disconnect the Power and Damper Power on the zone panel until installation is complete. 2. -
Page 10: Thermostat Terminal Definitions
THERMOSTAT TERMINAL DEFINITIONS R – 24VAC power to thermostat C – 24VAC power to thermostat W – First stage heat (conventional) / First stage auxiliary (heat pump) W2 – Second stage heat (conventional) / Second stage auxiliary (heat pump) Y – First stage cooling (conventional) / First stage compressor(heat pump) Y2 –... -
Page 11: Two-Stage Furnace And A/C
TWO-STAGE FURNACE AND A/C BOILER AND A/C HVAC TERMINAL DEFINITIONS HVAC TERMINAL DEFINITIONS Y1 – First stage cooling Y1 – First stage cooling Y2 – Second stage cooling W1 – First stage boiler heat W1 – First stage heating G – Fan W2 –... -
Page 12: Installer Setup
INSTALLER SETUP HOW TO CONFIGURE will save any changes that were made by displaying SETUP COMPLETE. • Press the BACK and NEXT buttons for 7 seconds continuously. Changing the SAVE CHANGES setting to DISCARD and then pressing • The message INSTALLER SETUP ENABLED will be displayed for 2 NEXT will exit installer setup without saving any of the changes. -
Page 13: Lcd Installer Screen Settings & Descriptions
LCD INSTALLER SCREEN SETTINGS & DESCRIPTIONS TABLE 1 – INSTALLER SETUP Factory default setting (bold) Menu Title Description and setting range HEAT/COOL EQUIPMENT TYPE Selects if zone panel is controlling a Heat/Cool or Heat Pump system. HTPUMP COOLING STAGES Number of cooling stages. Note: Only displayed if EQUIPMENT TYPE is set to HEAT/COOL. COMPRESSOR STAGES Number of compressor stages. -
Page 14: Sequence Of Operation
SEQUENCE OF OPERATION The 6404/6403 zone panel is a heat call priority system with automatic heating/cooling changeover after 20 minutes of operation. If two opposing (heating/cooling) thermostat calls exist while the system is idle, the heating call will be satisfied first. The zone panel can be configured to control either a conventional heat/cool system or heat pump system based on the EQUIPMENT TYPE setting. - Page 15 COOLING OPERATION Staging Based on Zones Calling When STAGING BASED ON is set to ZONES, the zone panel will stage When a thermostat makes a call to the zone panel for cooling, The zone the HVAC equipment based on the number of zones calling and the panel will initiate a cooling call to the equipment and close the damper ZONES TO STAGE setting.
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Page 16: Lcd Home Screen Display & Descriptions
LCD HOME SCREEN DISPLAY & DESCRIPTIONS The LCD will display the zone panel status during normal operation. The table below shows the available messages and a corresponding description. TABLE 2 – LCD HOME SCREEN Message Type Display Context Message Text OUTDOOR SENSOR The outdoor temperature will be displayed if OUTDOOR SENSOR is set to YES. -
Page 17: Installer Checkout
INSTALLER CHECKOUT • The Installer checkout is entered Held System Checkout by holding the buttons for 7 Seconds for 7 seconds continuously. Upon ZONES FOR TEST entering the Installer checkout all ALL 1 2 3 4 outputs will turn off and thermostat Yes/No TURN ON STAGE1 HEAT inputs will be ignored. -
Page 18: Limited Warranty
WARRANTY REGISTRATION Visit us online at www.aprilaire.com to register your Aprilaire product. If you do not have online access, please mail a postcard with your name, address, phone number, email address, product purchased, model number, date of purchase, and dealer name and address to: Research Products Corporation, P.O. Box 1467, Madison, WI 53701. - Page 19 61001165A 6403-6404 Zoned Comfort Control Install.indd 19 11/3/15 2:55 PM...
- Page 20 AprilairePartners.com P.O. Box 1467 Madison, WI 53701-1467 ©2015 Aprilaire – A division of Research Products Corporation 800-334-6011 F: 608-257-4357 61001165 B2206566A 11.15 61001165A 6403-6404 Zoned Comfort Control Install.indd 20 11/3/15 2:55 PM...
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