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CONTROL PANEL. <br />LCD <br />INTERFACE. <br />DUCT TEMPERATURE SENSOR. <br />ROOM TEMPERATURE <br />SENSOR. <br />DEMAND CONTROL VENTILATION HOOD CONTROL PANEL SPECIFICATIONS: <br />-CONTROLS SHALL BE LISTED BY ETL (UL 508A) AND SHALL COMPLY WITH DEMAND VENTILATION SYSTEM <br />TURNDOWN REQUIREMENTS OUTLINED IN IECC 403.7.5 (2021). <br />-THE CONTROL ENCLOSURE SHALL BE NEMA 1 RATED AND LISTED FOR INSTALLATION INSIDE OF THE <br />EXHAUST HOOD UTILITY CABINET. THE CONTROL ENCLOSURE MAY BE CONSTRUCTED OF STAINLESS STEEL <br />OR PAINTED STEEL. <br />-TEMPERATURE PROBE(S) LOCATED IN THE EXHAUST DUCT RISER(S) SHALL BE CONSTRUCTED OF <br />STAINLESS STEEL. <br />-A DIGITAL CONTROLLER SHALL BE PROVIDED TO ACTIVATE THE HOOD EXHAUST FANS DYNAMICALLY BASED <br />ON A FIXED DIFFERENTIAL BETWEEN THE AMBIENT AND DUCT TEMPERATURES SENSORS. THIS FUNCTION <br />SHALL MEET THE REQUIREMENTS OF IMC 507.1.1. <br />-A DIGITAL CONTROLLER SHALL PROVIDE ADJUSTABLE HYSTERESIS SETTINGS TO PREVENT CYCLING OF THE <br />FANS AFTER THE COOKING APPLIANCES HAVE BEEN TURNED OFF AND/OR THE HEAT IN THE EXHAUST <br />SYSTEM IS REDUCED. <br />-A DIGITAL CONTROLLER SHALL PROVIDE AN ADJUSTABLE MINIMUM FAN RUN-TIME SETTING TO PREVENT FAN <br />CYCLING. <br />-VARIABLE FREQUENCY DRIVES (VFDS) SHALL BE PROVIDED FOR FANS AS REQUIRED. THE DIGITAL <br />CONTROLLER SHALL MODULATE THE VFDS BETWEEN A MINIMUM SETPOINT AND A MAXIMUM SETPOINT ON <br />DEMAND. THE DUCT TEMPERATURE SENSOR INPUT(S) TO THE DIGITAL CONTROLLER SHALL BE USED TO <br />CALCULATE THE SPEED REFERENCE SIGNAL. <br />-THE VFD SPEED RANGE OF OPERATION SHALL BE FROM 0% TO 100% FOR THE SYSTEM, WITH THE ACTUAL <br />MINIMUM SPEED SET AS REQUIRED TO MEET MINIMUM VENTILATION REQUIREMENTS. <br />-AN INTERNAL ALGORITHM TO THE DIGITAL CONTROLLER SHALL MODULATE SUPPLY FAN VFD SPEED <br />PROPORTIONAL TO ALL EXHAUST FANS THAT ARE LOCATED IN THE SAME FAN GROUP AS THE SUPPLY FAN. <br />-THE SYSTEM SHALL OPERATE IN PREP MODE DURING LIGHT COOKING LOAD OR COOL DOWN MODE WHEN <br />SUFFICIENT HEAT REMAINS UNDERNEATH THE HOOD SYSTEM AFTER COOKING OPERATIONS HAVE <br />COMPLETED. OPERATION DURING EITHER OF THESE PERIODS WILL DISABLE THE SUPPLY FANS AND PROVIDE <br />AN EXHAUST FAN SPEED THAT IS EQUAL TO THE MINIMUM VENTILATION REQUIREMENT. <br />-A DIGITAL CONTROLLER SHALL DISABLE THE SUPPLY FAN(S), ACTIVATE THE EXHAUST FAN(S), ACTIVATE <br />THE APPLIANCE SHUNT TRIP, AND DISABLE AN ELECTRIC GAS VALVE AUTOMATICALLY WHEN FIRE CONDITION <br />IS DETECTED ON A COVERED HOOD. <br />-A DIGITAL CONTROLLER SHALL ALLOW FOR EXTERNAL BMS FAN CONTROL VIA DRY CONTACT (EXTERNAL <br />CONTROL SHALL NOT OVERRIDE FAN OPERATION LOGIC AS REQUIRED BY CODE). <br />-AN LCD INTERFACE SHALL BE PROVIDED WITH THE FOLLOWING FEATURES: <br />A. ON/OFF PUSH BUTTON FAN & LIGHT SWITCH ACTIVATION. <br />B. INTEGRATED GAS VALVE RESET FOR ELECTRONIC GAS VALVES (NO RESET RELAY REQUIRED). <br />C. VFD FAULT DISPLAY WITH AUDIBLE & VISUAL ALARM NOTIFICATION. <br />D. DUCT TEMPERATURE SENSOR FAILURE DETECTION WITH AUDIBLE & VISUAL ALARM NOTIFICATION. <br />E. MIS-WIRED DUCT TEMPERATURE SENSOR DETECTION WITH AUDIBLE & VISUAL ALARM NOTIFICATION. <br />F. A SINGLE LOW VOLTAGE CAT-5 RJ45 WIRING CONNECTION. <br />G. AN ENERGY SAVINGS INDICATOR THAT UTILIZES MEASURED KWH FROM THE VFDS. <br />SEQUENCE OF OPERATIONS: <br />THE HOOD CONTROL PANEL IS CAPABLE OF OPERATING IN ONE OR MORE OF THE FOLLOWING STATES AT ANY <br />GIVEN TIME: <br />-AUTOMATIC: THE SYSTEM OPERATES BASED ON THE DIFFERENTIAL BETWEEN ROOM TEMPERATURE AND <br />THE TEMPERATURE AT THE HOOD CAVITY OR EXHAUST DUCT COLLAR. FANS ACTIVATE AT A <br />CONFIGURABLE TEMPERATURE DIFFERENTIAL THRESHOLD. DEPENDING ON THE JOB CONFIGURATION EACH FAN <br />ZONE CAN BE CONFIGURED AS STATIC OR DYNAMIC. THESE TERMS REFER TO WHETHER A VARIABLE <br />MOTOR (SUCH AS EC MOTORS OR VFD DRIVEN MOTORS) MODULATE WITH TEMPERATURE. IF THE PANEL IS <br />EQUIPPED WITH VARIABLE SPEED FANS AND THE ZONE IS DEFINED AS "DYNAMIC", THESE WILL MODULATE <br />WITHIN A USER-DEFINED RANGE BASED ON THE TEMPERATURE DIFFERENTIAL. PANELS EQUIPPED WITH <br />VARIABLE SPEED FANS AND A FAN ZONE DEFINED AS "STATIC", FANS WILL RUN AT A SET SPEED <br />CALCULATED FOR THE DRIVE. DEMAND CONTROL VENTILATION SYSTEMS ARE CAPABLE OF MODULATING <br />EXHAUST AND MAKE UP AIR FAN SPEEDS PER THE REQUIREMENTS OUTLINED IN IECC 403.7.5 (2021). <br />-MANUAL: THE SYSTEM OPERATES BASED ON HUMAN INPUT FROM AN HMI. <br />-SCHEDULE: A WEEKLY SCHEDULE CAN BE SET TO RUN FANS FOR A SPECIFIED PERIOD THROUGHOUT THE <br />DAY. THERE ARE THREE OCCUPIED TIMES PER DAY TO ALLOW FOR THE USER TO SET UP A TIME THAT IS <br />SUITABLE TO THEIR NEEDS. ANY TIME THAT IS WITHIN THE DEFINED OCCUPIED TIME, THE SYSTEM WILL RUN <br />AT MODULATION MODE AND FOLLOW THE FAN PROCEDURE ALGORITHM BASED ON TEMPERATURE DURING THIS <br />TIME. DURING UNOCCUPIED TIME, THE SYSTEM WILL HAVE AN EXTRA OFFSET TO PREVENT UNINTENDED <br />ACTIVATION OF THE SYSTEM DURING A TIME WHERE THE SYSTEM IS NOT BEING OCCUPIED. <br />-OTHER: THE SYSTEM OPERATES BASED ON THE INPUT FROM AN EXTERNAL SOURCE (DDC, BMS OR <br />HARD-WIRED INTERLOCK). <br />FIRE:UPON ACTIVATION OF THE HOOD FIRE SUPPRESSION SYSTEM, THE EXHAUST FAN WILL COME ON OR <br />CONTINUE TO TO RUN, THE HOOD MAKEUP AIR WILL SHUTDOWN, AND A SIGNAL WILL BE SENT FOR <br />ACTIVATING THE SHUNT TRIP BREAKER PROVIDED BY THE ELECTRICIAN. FUEL GAS WILL SHUT OFF VIA A <br />MECHANICAL/ELECTRICAL GAS VALVE ACTUATED BY THE HOOD FIRE SUPPRESSION SYSTEM. <br />- <br />SHEET NO. <br />SCALE: <br />DWG.#: <br />DRAWN <br />DATE: <br /> BY: <br />REVISIONS <br />ww <br />w <br />. <br />c <br />a <br />p <br />t <br />i <br />v <br />e <br />a <br />i <br />r <br />e <br />. <br />c <br />o <br />m <br /> <br /> <br /> <br />AC <br />C <br />O <br />R <br />D <br />A <br />N <br />C <br />E <br />No <br />. <br /> <br />9 <br />6 <br />BU <br />I <br />L <br />T <br />NF <br />P <br />A <br />WI <br />T <br />H <br />IN <br />S <br />LI <br />D <br />TE <br />R <br />C <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />U <br />S <br />6248879 <br />MASTER DRAWING <br />VJ-144 <br />To <br />m <br />' <br />s <br /> <br />J <br />r <br /> <br />- <br /> <br />S <br />a <br />n <br />t <br />a <br /> <br />A <br />n <br />a <br /> <br />R <br />e <br />v <br />. <br />2 <br />14 <br />3 <br />0 <br /> <br />E <br />a <br />s <br />t <br /> <br />E <br />d <br />i <br />n <br />g <br />e <br />r <br /> <br />A <br />v <br />e <br />n <br />u <br />e <br />, <br />Ea <br />s <br />t <br />e <br />r <br />n <br /> <br />L <br />A <br /> <br />& <br /> <br />O <br />r <br />a <br />n <br />g <br />e <br /> <br />C <br />t <br />y <br /> <br />M <br />e <br />c <br />h <br />30 <br />0 <br />2 <br /> <br />D <br />o <br />w <br /> <br />A <br />v <br />e <br />n <br />u <br />e <br />, <br /> <br />S <br />u <br />i <br />t <br />e <br /> <br />2 <br />0 <br />2 <br />, <br /> <br />T <br />u <br />s <br />t <br />i <br />n <br />, <br /> <br />C <br />A <br />, <br /> <br />9 <br />2 <br />7 <br />8 <br />0 <br /> <br />P <br />H <br />O <br />N <br />E <br />: <br /> <br />( <br />7 <br />1 <br />4 <br />) <br /> <br />5 <br />0 <br />3 <br /> <br />- <br /> <br />0 <br />7 <br />7 <br />7 <br /> <br />E <br />M <br />A <br />I <br />L <br />: <br /> <br />r <br />e <br />g <br />1 <br />4 <br />4 <br />@ <br />c <br />a <br />p <br />t <br />i <br />v <br />e <br />a <br />i <br />r <br />e <br />. <br />c <br />o <br />m <br />Sa <br />n <br />t <br />a <br /> <br />A <br />n <br />a <br />, <br /> <br />C <br />A <br />, <br /> <br />9 <br />2 <br />7 <br />0 <br />5 <br />Scale <br />Date <br />Drawn By <br />Checked By <br />Project Number <br />14 <br />3 <br />0 <br /> <br />E <br /> <br />E <br />D <br />I <br />N <br />G <br />E <br />R <br /> <br />A <br />V <br />E <br />, <br /> <br />S <br />A <br />N <br />T <br />A <br /> <br />A <br />N <br />A <br />, <br /> <br />C <br />A <br /> <br />9 <br />2 <br />7 <br />0 <br />5 <br />NOVUM <br />A R C H I T E C T U R E, Inc <br />www.novumarchitecture.com <br />OFFICES: SOUTH BAY / ORANGE COUNTY <br />116 S CATALINA AVE. STE. 122, <br />REDONDO BEACH, CA 90277 <br />TEL: 310-383-1827 / 310-709-4476 <br />N <br />AS SHOWN <br />TO <br />M <br />' <br />S <br /> <br />J <br />R <br />DC <br />TT <br />9-1-2023 <br />tom's2023 <br />Mr <br />. <br /> <br />S <br />p <br />i <br />r <br />o <br />s <br /> <br />P <br />o <br />l <br />i <br />t <br />i <br />s <br />No.Description Date <br />1 PC Comments 08/16/24 <br />HOOD DETAILS - <br />SHEET 10 <br />M-218FOR REFERENCE ONLY <br />1430 E Edinger Ave <br />3/27/2025