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5 CHWS TE <br /> LEGEND <br /> ,D <br /> QV OUTDOOR AIR <br /> 112 P ----- -- TT <br /> J,► CHWR 7 10 1. FOR MECHANICAL LEGENDS AND ABBREVIATIONS <br /> I SEE SHEET M1a <br /> I <br /> VA j 104 103 111HAUST AIR <br /> 25 PDI PDI r A <br /> 104 103 T <br /> I I XkX I I <br /> X <br /> '1 RETURN FAN <br /> SUPPLY AIR SIR AIR X RETURN AIR <br /> FLOW M �X <br /> I �/ <br /> SO 2 c 1 1 1 1 1 '` M I I <br /> 90% 30% <br /> TE ° SUPPLY CHILLED j ° TE <br /> FAN ° CATER FINAL PLEATED F— A 101 C <br /> 100 FILTER PRE- P o <br /> TT ° FILTERF— 105 TT 1 GENERAL NOT <br /> 100 101 EC> CONTROL SIGNAL FR VFD, <br /> 1 o 1 BY CONTROLS CC NTR TOR. <br /> ° o <br /> ° o HARDWIRED OR SUPPLIED BY ELECTRICAL <br /> I ° <br /> L000 0 o o oo o o 0 0l o 000 o o o o o0 0 o <br /> 1 UTILIZE EXISTING MOTOR D OFF OUTPUT TO <br /> START/STOP NEW FAN VFD.. PROVIDE INTERPOSING <br /> 1 2 C 2 RELAY(S)AS NECESSARY TO INTERFACE WITH THE <br /> VFD START/STOP CONTROL CIRCUIT. <br /> lJ ® UTILIZE EXISTING MOTOR STATUS INPUT TO MONITOR <br /> 1 FAN VFD RUNNING STATUS BY DIRECT CONNECTION <br /> VFD VFD TO A VFD STATUS OUTPUT. PROVIDE INTERPOSING <br /> 11 RELAY(S)AS NECESSARY TO INTERFACE WITH THE <br /> 11 1 11 1 j 1 1 1 1 VFD STATUS CIRCUIT. <br /> 1I I j <br /> I I I <br /> AI DI DO DI 4 AO DI DI DI AO AD DO DI AO AI AI REFERENCE DRAWINGS <br /> DISCH SMOKE MOTOR MOTO CHW DIRTY DIRTY FREEZE OUTSIDE RETURN OTOR MOTOR EXHAUST RETURN OUTSIDE <br /> AIR ALARM ON/OFF STATUS CONTROL FILTER FILTER STAT AIR AIR 4 ON/OFF STATUS AIR AIR AIR <br /> TEMP VALVE ALARM ALARM DAMPERS DAMPERS DAMPERS TEMP TEMP <br /> DOC PANEL <br /> RHO RH <br /> 3 4 UENCE OF OPERATION HVAC25 RHC3 AN RHC4: <br /> EQ <br /> AGEN <br /> HVAC-25 IS AN EXISTING CONSTANT VOLUME SYSTEM WITH SUPPLY AND RETURN FANS, 100 PERCENT OUTDOOR AIR ECONOMIZER,AND HYDRONIC COOLING. <br /> VFD(PROVIDED BY ELECTRICAL CONTRACTOR) FOR AIRFLOW BALANCING ONLY. NO AUTOMATIC CONTROL OF VFD IS REQUIRED. l� <br /> TE TE 2 THE DDC SYSTEM SHALL CONTROL THE OPERATION OF HVAC-25 AND ASSOCIATED REHEAT COILS RHC-3 AND RHC-4. <br /> 113 114 P DEC PROGRAMMING FOR A 7-DAY, 4 PERIOD PER DAY OCCUPANCY SCHEDULE, INCLUDING NO LESS THAN SEVEN HOLIDAY PERIODS. <br /> TT TT R AC-25 SUPPLY AND RETURN FANS SHALL OPERATE CONTINUOUSLY WHEN THE OCCUPANCY SCHEDULE INDICATES THAT THE AREA SERVED IS <br /> 113 1 114 OCCUPIED. INITIALLY PROGRAM FOR OCCUPANCY OCCURRING 24 HOURS PER DAY, 7 DAYS PER WEEK,365 DAYS PER YEAR. <br /> SETPOI <br /> RHC-3 RHC-4 ROVIDE ALL DEVICES AND CONTROL LOOPS REQUIRED TO IMPLEMENT THIS SEQUENCE OF OPERATIONS. THE DEC SYSTEM SHALL MONITOR THE <br /> ST S,STATUS POINTS AND ALARMS INDICATED FOR THE HVAC-25 SYSTEM,ASSOCIATED EQUIPMENT AND ASSOCIATED DEVICES. �` <br /> HVAC-25 SUP LY AIR MPERATTHE HSETPOINTVAC-25 RESET CONTROL: CONSTRUCTION NOTE) <br /> THE DDC SYSTEM SHALL ESET THE HVAC-25 SUPPLY AIR TEMPERATURE SETPOINT BASED ON THE ZONE TEMPERATURE SENSORS FOR RHC-3 <br /> AND RHC-4. <br /> IF ANY ZONE TEMPERAT EIS ABOVE THE ZONE TEMPERATURE SETPOINT FOR HEATING,THE SUPPLY AIR TEMPERATURE SETPOINT SHALL BE RESET DOWNWARDS. <br /> IF A L ZO ATURES ARE BELOW THEIR TEMPERATURE SETPOINTS FOR HEATING,THE SUPPLY AIR TEMPERATURE SETPOINT SHALL BE RESET UPWARDS. <br /> SUPPLY AIR TEMPERATURE SETPOINT SHALL BE RESET IN 0.5 DEGREE INCREMENTS (INITIAL SETTING) NO MORE THAN ONCE EVERY 3 MINUTES(INITIAL SETTING). <br /> AI AO AI AO OUTDOOR AIR ECONOMIZER AND COOLING COIL CONTROL: <br /> ZONE HEATING ZONE HEATING IF ANY ZONE TEMPERATURE IS ABOVE THE ZONE TEMPERATURE SETPOINT FOR COOLING,AND THE OUTDOOR AIR TEMPERATURE IS LESS THAN THE RETURN AIR TEMPERATURE, <br /> AIR COIL AIR COIL THE DDC SYSTEM SHALL MODULATE THE OUTDOOR AIR ECONOMIZER DAMPERS (OUTSIDE AIR, RETURN AIR,AND RELIEF AIR DAMPERS)AS REQUIRED TO MAINTAIN THE SUPPLY <br /> TEMP CONTROL TEMP CONTROL AIR TEMPERATURE SETPOINT. IF THE OUTDOOR AIR TEMPERATURE IS GREATER THAN THE RETURN AIR TEMPERATURE,THE DDC SYSTEM SHALL OPERATE THE ECONOMIZER DAMPERS <br /> 3-STAGE 3-STAGE AS REQUIRED TO PROVIDE MINIMUM OUTSIDE AIR,AND SHALL THEN MODULATE THE CHILLED WATER CONTROL VALVE AS REQUIRED TO MAINTAIN THE SUPPLY AIR TEMPERATURE SETPOINT. <br /> IF ALL ZONE TEMPERATURES ARE BELOW THE TEMPERATURE SETPOINT FOR COOLING,THE DDC SYSTEM SHALL OPERATE THE ECONOMIZER DAMPERS AS REQUIRED TO PROVIDE <br /> MINIMUM OUTSIDE AIR. <br /> DDC PANEL ALARMS: �" <br /> DIRTY FILTERS: IF THE FILTER DIFFERENTIAL PRESSURE EXCEEDS 0.9 INCHES WG (INITIAL SETTING),THE DDC SYSTEM SHALL ANNUNCIATE A DIRTY FILTER ALARM, MANUAL RESET. <br /> FAN OPERATION STATUS: PROVIDE CURRENT SENSING SWITCHES SO HVAC-25 SUPPLY AND RETURN FANS. IF HVAC-25 IS CALLED TO OPERATE,AND BOTH FANS HAVE NOT BEEN <br /> C PROVEN ON WITHIN 2 MINUTES (INITIAL SETTING),THE DDC SYSTEM SHALL ANNUNCIATE A FAN FAILURE ALARM, MANUAL RESET. <br /> ZONE HEATING G°"CONTROL. SEQUENCE O F O P E RATION: <br /> EACH ZONE HEATING COIL SHALL BE PROVIDED WITH 3 STAGES OF CONTROL,AND THE DDC SYSTEM SHALL VARY THE HEAT OUTPUT AS REQUIRED TO MAINTAIN THE ZONE TEMPERATURE <br /> AT THE TEMPERATURE SETPOINT FOR HEATING. IF THE ZONE TEMPERATURE IS ABOVE THE TEMPERATURE SETPOINT FOR HEATING,THE HEATING COIL SHALL BE OFF. <br /> INITIALLY PROGRAM ALL ZONE TEMPERATURE SETPOINTS FOR HEATING AND COOLING AT 68 DEG F AND 72 DEG F RESPECTIVELY DURING THE OCCUPIED PERIOD,AND AT 60 DEG F AND <br /> 85 DEG F RESPECTIVELY DURING THE UNOCCUPIED PERIOD <br /> EF-1 SUBSTATION VENTILATION FAN <br /> THE FAN WILL BE STARTED AND STOPPED BY A LINE VOLTAGE THERMOSTAT <br /> IN <br /> CONTROL DIAGRAM HVAC-25 RHC-3 4 THHEATED FAN WILLHOPERATEATION WHENRTHE ROOM TEMPERATURE IS GREATER THAN <br /> iM26 M360 OR EQUAL TO 100-F (ADJUSTABLE). <br /> I Affiliated <br /> A= Engineers ISSUED FOR CONSTRUCTION <br /> Aiflll R E,,hPrs,Inc. <br /> MB2 Research Farm Boulevard <br /> Maalao.2wNIB sang DESIGN BY DATE <br /> PROFESSIONAL STAMP&SIGNATURE APPLIES TO WORK TelssssBB.zs�s AEI 02.21.24 <br /> WITHIN THE CLOUDED REVISION AREAS ONLY AS INDICATED F`0jB # <br /> SYM REVISION BY APPROVED DATE SYM REVISION BY APPROVED DATE DRAWN DATE SUBTITLE CURRENT REVISION SYMBOL DATE <br /> ACCEPTABILITY R.ANDERSON 02.21.24 SEQUENCE OF OPERATIONS W8861360 G 02.21.24 <br /> RECORD DRAWING ISSUED TO OWNER FPW FPW 9/29/97 �c4awFsreoy THIS DESIGN AND/OR N K <br /> o x,�wy SPECIFICATION IS APPROVED P. ROEDL 02.21.24 SHEET <br /> A 787 STANDBY AREA Jq 567791-06,-07 AEI 12.22.06 ® m=� _ x APPROVED BY DEPT. DATE TITLE 737 NORTH LINE - 40-26 TOWER RELOCATIONS DP 26.02 M300 0 <br /> - RECORD DRAWING ISSUED TO OWNER AEI 10/19/07 CHECKED <br /> B 787 RECORD SET 555886 WH C. CARBON 6.2207 'roNn� � APPROVED BUILDING 40-026 JOB NO. COMP NO. o <br /> B. FRIEDMAN 02.21.24 <br /> C 737 NORTH UNE-40-26 TOWER RELOCATIONS DP 26.02 W8861360 AEI B. FRIEDMAN 02.21.24 BOEING'S CONFIDENTIAL AND PROPRIETARY PROPERTY ozizaizoz. APPROVED MECHANICAL MASTER EVERETT, WA DID rvo. 40-26-M300 <br />