MEP Drawings & Specs for Generic HVAC Zone Control System

September 13, 2017 zoning supply

Typical wording for HVAC Mechanical drawings to include SmartZone Zone control (2 to 8 zones):

ECOJAY SMARTZONE ZS2X (2 ZONES) OR ZS4X (UP TO 4 TO 8 ZONES) 1. SMARTZONE CONTROLLER SHALL INCLUDE FLASH BASED MICROPROCESSOR FOR AUTOMATIC CONTROL OF UP TO 2 ZONES (ZS2X), 4 ZONES (ZS4X) OR 8 ZONES (TWO-ZS4X CONTROLLERS) ON A SINGLE HVAC SYSTEM. 2. SMARTZONE CONTROLLER SHALL INCLUDE LED DISPLAY WITH FULL TEXT STATUS MONITORING AND DIAGNOSIS OF THE ENTIRE SYSTEM STATUS AND SUPPLY TEMPERATURE. 3. SMARTZONE CONTROLLER SHALL CONTAIN ELECTRONIC LIMIT CONTROL (ELC) SUPPLY AIR SENSOR WHICH ALLOWS CONSTANT MONITORING OF THE LEAVING (SUPPLY) AIR TEMPERATURE 5. PUSH BUTTONS SHALL ALLOW FOR DIGITAL ADJUSTMENT OF HIGH AND LOW LIMIT 4. IN THE EVENT OF SUPPLY AIR SENSOR OR SENSOR WIRING FAILURE, THE CONTROLLER SHALL CONTINUE OPERATING THE HVAC SYSTEM AS A SINGLE ZONE SYSTEM WITHOUT INTERRUPTION 6. ON HEAT PUMPS SYSTEMS, EMERGENCY HEAT MUST BE INITIATED FROM THERMOSTAT #1, NOT A SWITCH ON THE ZONE CONTROL BOARD. 7. EACH ZONE CONTROLLER THERMOSTAT TERMINAL AND EQUIPMENT TERMINAL SHALL HAVE A COLOR-CODED LED ALLOWING FOR EASY MONITORING OF THERMOSTATS AND SYSTEM CALLS. 8. ROUND ZONE DAMPER MOTORS SHALL BE 2-POSITION (OPEN/CLOSE) DESIGN WITH A SOFT-EDGE BLADE DAMPER SIZE AS ROUND DUCT IN WHICH BLADE GASKET AND SHALL BE POWERED BY 24VAC POWER OPEN / POWER CLOSE MOTOR DEVELOPING MINIMUM 10 IN-LB. OF TORQUE AT MAX 4 VA 9. RECTANGULAR ZONE DAMPER MOTORS SHALL BE 2-POSITION (OPEN/CLOSE) DESIGN WITH EXTRUDED ALUMINUM FRAME & LOUVERS & METAL SHAFT LINKAGES AND SHALL BE POWERED BY 24VAC POWER OPEN / POWER CLOSE MOTOR DEVELOPING MINIMUM 10 IN-LB. OF TORQUE AT MAX 4 VA 10. ALL ZONE DAMPERS SHALL INCLUDE ACCURATE, NON-ADJUSTABLE & ADJUSTABLE, BLADE POSITION INDICATOR AND ADJUSTABLE MINIMUM STOP CAPABILITY (MIN OPEN & MIN CLOSE). 11. AUTOMATIC, ELECTRONIC BYPASS DAMPER WITH STATIC PRESSURE CONTROL IS REQUIRED WITH 24V ELECTRIC ACTUATORS UNLESS NOTED OTHERWISE. 12. ZONE CONTROLLER, DAMPER MOTORS AND THERMOSTATS SHALL BE POWERED WITH A SEPARATE 24V FUSED TRANSFORMER (TYPICALLY 40VA) PROVIDED BY HVAC CONTRACTOR. 13. CONTACT ECOJAY.COM or 1-888-523-ECOJAY FOR MORE INFORMATION OR TRAINING