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NEW MAKE-UP AIR <br />LOUVER, MOTORIZED, <br />DAMPER AND ^"�T <br />IVCVV O�ACON/ <br />STOBE (AMBER) <br />CHILLER ROOM <br />R <br />i <br />REFRIDERANT MONITOR <br />MOUNTED 12" ABOVE FLOOR, <br />PROTECTED FROM DAMAGER <br />SEE SHEET M3. <br />/4)SYSTEM DIAGRAM <br />NTS <br />EXISTING <br />EXHAUSTFAN <br />REPLACE OR <br />UPGRADE <br />TO 2,700 CFM @ <br />3/4" STATIC <br />PRESSURE <br />MOTORIZED <br />DAMPER FAIL <br />SAFE "OPEN" <br />NEW <br />MOTORIZED DAMPER <br />NEW 30"x18" <br />SQ. ELBOW WITH <br />TURNING VANES <br />TURNING DOWN WITH <br />SCREENED OPENING <br />OUTLINE OF <br />NEW CHILLE <br />NEW BEACON <br />STROBE (AMB <br />NEW 2'-6" x 2'-6" <br />WEATHER LOUVER <br />IG EXHAUST <br />GRILLE AT CEILING. <br />REMOVE EXTEND <br />OPENING WITH 36"x12" <br />DUCT DOWN WALL. <br />PLACE EXISTING GRILLE <br />BOTTOM EDGE 12" ABOVE <br />FINISHED FLOOR <br />-ING EXHAUST FAN <br />MOSTAT TO REMAIN <br />1YLVV CHILLER EMERGENCY <br />SHUT DOWN (PUSH/PULL TYPE) <br />CHILLER ROOM <br />EMERGENCY EVACUATION PLAN <br />SCALE: 3/16"=V-0" <br />SEQUENCE OF OPERATION <br />NORMAL OPERATION <br />EXHAUST FAN ENABLED AND DISABLES BY ROOM THERMOSTAT <br />BEACON/STROBES DISABLED <br />CHILLER ENABLED <br />REFRIGERANT LEVEL GREATER THAN OR EQUAL TO 500 PPM <br />EXHAUST FAN ENABLED AND DISABLED BY ROOM THERMOSTAT <br />MOTORIZED DAMPER COMMANDED "OPEN" AND "CLOSED" IN <br />UNISON WITH EXHAUST FAN <br />BEACON/STROBES ENABLED <br />CHILLER ENABLED <br />REFRIGERANT LEVEL GREATER THAN OR EQUAL TO 1,000 PPM <br />BEACON/STROBES REMAIN ENABLED <br />EXHAUST FAN THERMOSTAT OVERRIDEN BY REFRIGERANT MONITOR <br />MOTORIZED DAMPER COMMANDED "OPEN" <br />CHILLER DISABLED <br />z <br />O <br />Q <br />Em C) <br />O > cv <br />W �m� <br />OQ< <br />� UQ� <br />4-1 JWw� <br />�e C,)w <br />LLy::)ow <br />U ILL(ow <br />m <br />L <br />� o <br />O <br />a� <br />�a <br />U <br />W <br />c <br />0 <br />T <br />Co <br />O <br />z <br />140 <br />_o <br />It <br />O o <br />1 to a M <br />UI o > — N <br />(�75 a o <br />N <br />W Q rn � <br />N Z:)�Q <br />O <br />Ca -o U PO <br />Q N W Cn <br />Q O W 00 <br />c <br />a a °' <br />U U U N <br />00 <br />> > N <br />m L.L (B <br />0 2 <br />L <br />L > Y <br />U <br />f Q <br />Q U <br />06 O <br />W <br />Q <br />� Z N <br />ICI <br />W U <br />wU � <br />=W <br />U o W <br />Scale <br />AS NOTED <br />Sheet <br />M 3 of5 <br />