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Home My WebLink AboutM8.10HVAC - CONTROLSMAH MAL C C C C ECM MT R XS AI AI BAS INSTRUMENT LEGEND GENERAL INSTRUMENT/FUNCTION SYMBOLS LINETYPE LEGEND EQUIPMENT SYMBOLS HVAC CONTROL SYSTEM NOTES - GENERALTYPICAL VARIABLE FREQUENCY DRIVE AND ECM CONTROL POINTS SENSOR LEGEND XX XX ## XY XX YA XX DI SI XX DI YA XX DI PDC XX AO FC XX DO FC 01 AO YA 01 DI ACTUATOR - SEE DRAWINGS & SPECS FOR VALVE TYPE TWO WAY VALVE ASSOCIATED WITH DUCT SMOKE DETECTOR WITH AUXILIARY CONTACTS AND MANUAL RESET BACKPRESSURE REGULATOR, SELF CONTAINED PRESSURE REDUCING REGULATOR HAND-OFF-AUTOMATIC CONTROL STATION REFER TO DIVISION 16 DWGS SELF CONTAINED HIGH & LOW MOISTURE "OUT OF RANGE" LIMITS FOR FAULTY SENSOR ALARM ACTUATOR - SEE DRAWINGS & SPECS FOR VALVE TYPE THREE WAY VALVE ASSOCIATED WITH OPPOSED BLADE DAMPER ASSOCIATED WITH ACTUATOR WHEN IDENTICAL, MULTIPLE INSTRUMENTS EXIST WITHIN A LOOP, THEY ARE INDIVIDUALLY, SEQUENTIALLY NUMBERED HERE. X = ANALOG(A) OR DIGITAL(D) Y = OUTPUT(O) OR INPUT(I) STATION AIR FLOW USERS CHOICE(*) MULTIFUNCTION(*) UNCLASSIFIED(*) USERS CHOICE(*) SYMBOL MODIFIER HEAT EXCHANGER PUMP HEAT EXCHANGER PROP FAN FILTER PLATE/FRAME SHELL/TUBE FAN TUBULAR CENTRIFUGAL CENTRIFUGAL FAN PLUG FAN OR VANEAXIAL VOLUME TERMINAL VARIABLE AIR TEMPERATURE RADIATION EVENT (STATUS) USERS CHOICE(*) MULTIVARIABLE(*) WEIGHT OR FORCE SMOKE EXAMPLE: PT=PRESSURE TRANSMITTER, HS=HAND SWITCH VIBRATION, MECH ANALYSIS SPEED OR FREQUENCY QUANTITY OR EVENT(*) PRESSURE (OR VACUUM) POSITION, DIMENSION MOISTURE WHEN USED, EXPLANATION IS SHOWN ADJACENT TO INSTRUMENT SYMBOL. SEE ABBREVIATIONS AND LETTER SYMBOLS. L M LEVEL N O (*) R Y W X Z T S U V Q P PILOT LIGHT SENSOR TAG ID DEVICE OR OR SETPOINT XXX START/STOPSS ON/OFFOO AUTOAUTO OPEN/CLOSEOC MODIFIER SYMBOLS AND DESCRIPTIONS SHOWN BELOW ORIFICE, RESTRICTION USERS CHOICE(*) RECORD OR PRINT MULTIFUNCTION(*) UNCLASSIFIED(*) POINT (TEST CONNECTION) MOMENTARY LIGHT (PILOT) INTEGRATE WELL SAFETY INTEGRATE LOW USERS CHOICE(*) RELAY OR COMPUTE(*) TRANSFORMER MULTIFUNCTION(*) SWITCH VALVE TRANSMIT ANALYSIS CURRENT FLOW RATE VOLTAGE BURNER FLAME HAND (MANUAL) TIME OR SCHEDULE DEWPOINT B A I J K POWER E G F H GAS C D USERS CHOICE(*) SENSOR (PRIMARY ELEMENT) ALARM MODIFIER INDICATE SCAN RATE OF CHANGE GLASS RATIO DIFFERENTIAL FIRST LETTER(S) MODIFIER SUCCEEDING LETTERS OUTPUT FUNCTION CONTROL STATION GATE CONTROL DAMPER HIGH USERS CHOICE(*) SYMBOL DESCRIPTION DESCRIPTIONSYMBOL INSTRUMENT LINE USERS CHOICE(*) TEMPERATURE ALARM LOW LIMITTSL PRESSURE ALARM HIGH LIMITPAH TEMPERATURE ALARM HIGH LIMITTSH PRESSURE ALARM LOW LIMITPAL MOISTURE ALARM HIGH LIMITMAH MOISTURE ALARM LOW LIMITMAL MANUAL RESETR DESCRIPTIONSYMBOL BOX OR VALVE WITH REHEAT COIL VOLUME TERMINAL VARIABLE AIR BOX OR VALVE MOTOR STARTER VARIABLE FREQUENCY DRIVE PARALLEL BLADE DAMPER ASSOCIATED WITH ACTUATOR SAMPLE DEVICE TAGS PROCESS LINE BAS INPUT/OUTPUT IDENTIFIER CONTROL DEVICE OR INSTRUMENT TAG INSTRUMENTATION IDENTIFICATION TAGS SHOWN ON THE ENCLOSED CONTROL DRAWINGS ARE INTENDED TO BE SPECIFIC FOR EACH SEQUENCE. NO ATTEMPT HAS BEEN MADE TO COORDINATE SEQUENTIAL TAGS IN ALL SEQUENCES AS THIS EFFORT WOULD NOT AID IN THE UNDERSTANDING OF THE DESIGN INTENT. THEREFORE THERE MAY BE INSTRUMENTS ON THE CONTROL DRAWINGS WHICH APPEAR TO HAVE THE SAME IDENTIFICATION NUMBER. PROVIDE AND COORDINATE A COMPLETE LIST OF INSTRUMENTATION, THE ASSOCIATED IDENTIFICATION TAGS AND A CROSS REFERENCE TO BE USED IN THE BAS (BUILDING AUTOMATION SYSTEM) PROGRAM CODE. NOTES: MODULATING ACTUATOR WITH PILOT POSITIONER - FAILS OPEN (PNEUMATIC ACTUATORS ONLY) MODULATING ACTUATOR WITH PILOT POSITIONER - FAILS CLOSED (PNEUMATIC ACTUATORS ONLY) MODULATING ACTUATOR WITH AN INTEGRAL PILOT POSITIONER (PNEUMATIC ACTUATORS ONLY) MODULATING ACTUATOR WITHOUT INTEGRAL PILOT POSITIONER MODULATING ACTUATOR WITHOUT PILOT POSITIONER - FAILS OPEN MODULATING ACTUATOR WITHOUT PILOT POSITIONER - FAILS CLOSED TWO POSITION ACTUATOR, FAILS OPEN TWO POSITION ACTUATOR, FAILS CLOSED 1. ELECTRICAL POWER WIRING: ALL POWER WIRING AND CONNECTIONS REQUIRED TO OPERATE BUILDING AUTOMATION CONTROL SYSTEM (BAS) AND ALL CONTROL COMPONENTS SHALL BE PROVIDED UNDER THIS SECTION AND SHALL COMPLY WITH REQUIREMENTS OF DIVISION 26 SECTIONS. PROVIDE NORMAL AND STANDBY POWER WIRING TO ALL CONTROL DEVICES TO PERFORM SEQUENCES OUTLINED. AS A MINIMUM THE BAS (ALL CONTROL PANELS, WORKSTATION, HOST COMPUTERS) SHALL BE CONNECTED TO STANDBY POWER. ELECTRICAL CIRCUITS FOR ALL CONTROLS SHALL BE DEDICATED ONLY TO THE BUILDING AUTOMATION CONTROL SYSTEM AND COMPONENTS. ALL WIRING FROM AND INCLUDING DEDICATED CIRCUIT BREAKERS TO THE POINT OF USE SHALL BE PROVIDED BY THIS SECTION. 2. SEQUENCES OUTLINED (UNLESS OTHERWISE SPECIFIED) SHALL BE PERFORMED BY DIRECT DIGITAL CONTROL FIELD PANELS (DDCFPS) AND LOCALLY MOUNTED DIRECT DIGITAL UNIT CONTROLLERS CONNECTED TO A CENTRAL BUILDING AUTOMATION SYSTEM. SYSTEM ARCHITECTURE SHALL BE BASED ON A PEER-TO-PEER DISTRIBUTED CONTROL SYSTEM NETWORK. SYSTEM SHALL INTEGRATE OPEN COMMUNICATION PROTOCOL CONTROLLERS. ALL DDCFP AND LOCAL CONTROLLER SHALL BE CAPABLE OF INDEPENDENT OPERATION REGARDLESS OF THE STATUS OF THE BAS WORKSTATION. 3. ALL ZONE CONTROL DEVICES SHOULD BE CONTROLLED DIRECTLY BY A LOCAL CONTROLLER. COORDINATION OF THESE DEVICES SHOULD NOT RELY ON THE NETWORK TO COMMUNICATE ACROSS THE ZONE. ZONES NEED TO BE ABLE TO OPERATE INDEPENDENTLY FROM BMS. 4. ALL SETPOINTS AND TIME DELAYS SHALL BE ADJUSTABLE BY THE OPERATOR THROUGH THE BAS WORKSTATION AND THROUGH LAPTOP SERVICE TOOL CONNECTED TO DDCFPS AND CONTROLLERS WITHOUT ANY HARDWARE OR SOFTWARE REVISIONS. 5. ADDRESS IDENTIFIERS FOR ALL POINTS AND VARIABLES SHALL BE COORDINATED WITH OWNER AND EXISTING CONTROLS AND SHALL BE APPROVED BY THE FACILTY OWNER. 6. ABILITY TO REVIEW ALL MEASURED DATA, CONTROL SETPOINTS AND FUNCTIONS SHALL BE PROVIDED AT BAS WORKSTATION AND ON LAPTOP SERVICE TOOL. 7. PROVIDE MENU DRIVEN CAPABILITY TO OVERRIDE AUTOMATED START/STOP OR OPERATING MODES FOR EACH PIECE OF EQUIPMENT (INCLUDING PUMPS, AIR HANDLING UNITS, VV BOXES, ETC...) AT LOCAL CONTROL PANEL. IF A SEQUENCE IS DISABLED BY MANUAL INPUT AND THE BAS ATTEMPTS AN AUTOMATED CHANGE IN OPERATING MODE, AN ALARM SHALL BE INITIATED AT THE BAS STATING THAT THE SYSTEM WAS UNABLE TO CHANGE THE MODE DUE TO USER INPUT. WHERE APPLICABLE A MANUAL INPUT COMMAND WILL THEN BE REQUIRED FROM THE USER INSTRUCTING THE BAS TO START THE NEXT SEQUENTIAL PIECE OF EQUIPMENT. 8. THE DESIGN INTENT IS FOR THE BAS TO MONITOR PRESSURES, TEMPERATURES AND FLOWS AND TO CONTROL VALVES, VARIABLE FREQUENCY DRIVES (VFDS), AHUS, PUMPS, ETC.... MONITORED DATA WILL BE USED TO ENERGIZE OR DE-ENERGIZE EQUIPMENT IN ACCORDANCE WITH THE SEQUENCES OUTLINED. ALL COMMON INFORMATION (E.G. OUTSIDE AIR TEMPERATURE AND HUMIDITY) SHALL BE MEASURED AND COMMUNICATED IN AT LEAST (3) LOCATIONS. 9. ALL EQUIPMENT CONTROLLED BY THE BAS SHALL BE CAPABLE OF MANUAL OPERATION THROUGH HAND-OFF-AUTOMATIC (HOA) SWITCHES LOCATED IN THE MOTOR STARTERS OR VARIABLE FREQUENCY DRIVES. THE POSITIONING OF ALL VALVES CONTROLLED BY THE BAS SHALL BE CAPABLE OF MANUAL POSITIONING (OPEN, CLOSED, MODULATED, AUTO) VIA LABELED POTENTIOMETERS AND SWITCHES. SAFETY DEVICES SHALL FUNCTION AND SHUT DOWN THE ASSOCIATED EQUIPMENT WHEN THE MANUAL SWITCHES ARE IN BOTH THE HAND AND AUTO POSITIONS. 10. COORDINATE ALL SENSOR INSTALLATION LOCATIONS AND SUBMIT PROPOSED POSITIONS ON APPLICABLE PIPING AND DUCTWORK COORDINATION SUBMITTALS. COORDINATE AND ENSURE MANUFACTURER'S RECOMMENDED UPSTREAM AND DOWNSTREAM PIPE OR DUCT DIAMETERS ARE PROVIDED. SPECIAL ATTENTION IS REQUIRED FOR FLOW ELEMENTS AND TRANSMITTERS. IN THE FOLLOWING SEQUENCES, THE SYMBOL FE REFERS TO FLOW ELEMENTS OF THE PITOT TUBE TYPE. THE SYMBOL FT, WHEN ATTACHED TO AN FE, REFERS TO A FLOW TRANSMITTER. THE SYMBOL FT ALONE, REFERS TO A COMBINATION FLOW ELEMENT AND TRANSMITTER. 11. UNLESS OTHERWISE NOTED, THE SYMBOL TT, WHEN ATTACHED TO AN TE, REFERS TO A TEMPERATURE SENSOR CONNECTED TO A SEPARATE TEMPERATURE TRANSMITTER. THE SYMBOL TT ALONE, REFERS TO A COMBINATION TEMPERATURE SENSOR AND TRANSMITTER. 12. PROVIDE COMMUNICATIONS INTERFACE INCLUDING SOFTWARE BETWEEN THE BAS AND EACH EQUIPMENT MANUFACTURER SUPPLIED CONTROL PANEL. BAS SHALL BE CAPABLE OF READING AND DISPLAYING ALL DATA USED BY THE EQUIPMENT MANUFACTURER CONTROL PANEL. SOFTWARE INTERFACE SHALL BE THROUGH LONMARK OR BACNET COMPLIANT PROTOCOL WHERE THE BAS IS REQUIRED TO CONTROL THE OPERATION OF THE EQUIPMENT. PROVIDE COMPLETE INPUT AND OUTPUT INTERFACE. 13. FAIL SAFE POSITIONS INDICATED ARE POSITIONS THAT DEVICES WILL GO TO WHEN THE ASSOCIATED EQUIPMENT IS DE-ENERGIZED. 14. PROVIDE ADEQUATE DAMPING OF ALL MODULATING CONTROL LOOPS TO PREVENT HUNTING. MAXIMUM RESPONSE TIME SHALL BE 30 SECONDS. ALL CONTROL LOOPS SHALL BE TUNED TO PROVIDE FOR STABLE OPERATION OF THE CONTROL DEVICE. LOOP TUNING MAY BE REQUIRED TO BE PERFORMED MULTIPLE TIMES DURING MULTIPLE CONTROL SCENARIOS. 15. WHENEVER A UNIT IS SHUT DOWN BECAUSE OF ONE OF IT'S SAFETIES, THE BAS SHALL RETAIN IN MEMORY THE READING AND SETPOINT OF EACH ASSOCIATED DEVICE TO HELP THE OPERATOR IN ISOLATING THE CAUSE OF THE SHUT DOWN. BAS SHALL INCLUDE AN ON SCREEN MANUAL RESTART BUTTON FOR EACH SYSTEM AND PIECE OF EQUIPMENT TO ALLOW REMOTE RESTART AT THE BAS WORKSTATION. 16. WHENEVER AN ALARM IS INITIATED, THE BAS SHALL RETAIN IN MEMORY THE READING AND SETPOINT OF EACH ASSOCIATED DEVICE TO HELP THE OPERATOR IN ISOLATING THE CAUSE OF THE ALARM. 17. IF ANY DDCFP OR EQUIPMENT MANUFACTURER CONTROL PANEL LOSES COMMUNICATION WITH THE BAS NETWORK, AN ALARM SHALL BE INITIATED AT THE BAS INDICATING THE LOCATION OF THE FAULT. 18. THE FOLLOWING DEFINITIONS APPLY TO THE SEQUENCES OF OPERATION: a. BAS: PERSONAL COMPUTER BASED WORKSTATION b. DDCFP: DIRECT DIGITAL CONTROL FIELD PANEL. DDCFPS ARE APPLICATION BASED LOCAL SYSTEM CONTROLLERS WITH INPUTS FROM MONITORED DEVICES, OUTPUTS TO CONTROLLED DEVICES, CONTROLLING LOGIC SOFTWARE, AND NETWORKING CAPABILITY FOR COMMUNICATION WITH THE BAS. 18. WHENEVER A PIECE OF EQUIPMENT IS TAKEN OFFLINE FOR MAINTENANCE, ALARMS RELATED TO THIS PIECE OF EQUIPMENT SHALL BE TEMPORARILY DISABLED. 19. WHERE CURRENT TRANSMITTERS ARE USED TO DETERMINE FAN OR EQUIPMENT STATUS, A BELT OFF TEST SHALL BE PERFORMED TO DETERMINE CURRENT LOW POINT TO VERIFY STATUS. 20. ALL WALL MOUNTED TEMPERATURE OR HUMIDITY TRANSMITTERS SHALL HAVE ALL PENETRATIONS SEALED. 21. ALL INSTALLED CONTROL DEVICES SHALL BE INSTALLED IN SUCH A WAY TO BE ACCESSIBLE FOR MAINTENANCE AND REPAIR. 22. OCCUPANCY SCHEDULES: a. OCCUPANCY SCHEDULING SHALL BE CAPABLE OF SCHEDULING BY AREA, ZONE, GROUPS OF ZONES, INDIVIDUALLY CONTROLLED EQUIPMENT AND GROUPS OF INDIVIDUALLY CONTROLLED EQUIPMENT. b. EACH SCHEDULE SHALL PROVIDE BEGINNING AND ENDING DATES AND TIMES (HOURS:MINUTES). c. A WEEKLY REPEATING SCHEDULE (E.G. BETWEEN 8:00 A.M. AND 6:00 P.M., MONDAY THROUGH FRIDAY) SHALL CONSTITUTE ONE SCHEDULE, NOT FIVE. d. DATED SCHEDULES MAY BE ENTERED IN ONE-YEAR ADVANCE. e. DATED SCHEDULES SHALL BE SELF-DELETING WHEN EFFECTIVE DATES HAVE PASSED. f. WHEN A TEMPERATURE OF A ROOM, AREA OR ZONE, SCHEDULED OFF OR UNOCCUPIED, FALLS BELOW 55 F (ADJ.), THE SCHEDULE SHALL BE OVERRIDDEN AUTOMATICALLY AND THE ZONE SHALL BE OVERRIDDEN TO PROVIDE MINIMUM 55 F SPACE TEMPERATURE AND AN ALARM SHALL BE INITIATED THROUGH THE BAS. g. WHEN A TEMPERATURE OF A ROOM, AREA OR ZONE, AS DESCRIBED ABOVE REACHES 55 F (ADJ.) PLUS A DEADBAND (ADJ.), THE SCHEDULE IS RESUMED. h. LEAP YEARS SHALL BE ADJUSTED AUTOMATICALLY WITHOUT OPERATOR INTERVENTION. SCHEDULES: a. INDIVIDUAL LAB SCHEDULING TO BE DETERMINED BY OWNER b. COORDINATE WITH OWNER TO INCORPORATE CORNELL HOLIDAYS AND BREAKS INTO SCHEDULES. c. FOR ALL OTHER SPACES: OCCUPIED 8:00 AM TO 6:00 PM MON. THRU FRI. UNOCCUPIED ALL OTHER TIME PERIODS 23. REFER TO INDIVIDUAL SEQUENCES FOR ADDITIONAL VARIABLE SETPOINTS. 24. AS A MINIMUM, ONE DDCFP SHALL BE PROVIDED FOR EACH AIR HANDLING UNIT AND ONE FOR EACH LAB EXHAUST FAN FOR REDUNDANCY. 25. SAFETIES SHALL BE HARDWIRED UNLESS NOTED OTHERWISE. 26. ALL HVAC EQUIPMENT SHALL BE STARTED/ENABLED AND STOPPED/DISABLED THROUGH THE BAS. BAS SHALL HAVE PROGRAMMING THAT ALLOWS USER TO OVERRIDE AUTOMATED START/STOP THROUGH MANUAL INPUT AT THE BAS OR THROUGH LOCAL HOA SWITCHES. 27. ALL CONTROL SYSTEM SENSORS SHALL HAVE HIGH AND LOW LIMIT SOFTWARE ALARMS TO INDICATE FAULTS. ALL ALARMS SHALL INITIATE AUDIBLE AND VISUAL ALARM AT THE BAS WORKSTATION AND AT THE WORKSTATION ALARM PRINTER. ALARM SHALL INDICATE TIME, DATE, SPECIFIC CONTROL POINT AND NATURE OF THE ALARM. 28. AFTER INITIAL STARTUP BAS SHALL AUTOMATICALLY CONTROL OPERATING MODE FOR ALL EQUPMENT VIA PROGRAMMABLE SCHEDULES INDICATED IN INDIVIDUAL ZONE OR EQUIPMENT SEQUENCES. BAS SHALL INCLUDE OPTION TO MANUALLY OVERRIDE EACH AUTOMATED SEQUENCE VIA INPUT TO THE BAS. ALL SAFETIES AND ALARMS SHALL REMAIN ACTIVE WHEN OPERATING IN MANUAL OVERRIDE MODES. 29. CONNECT TO LIGHTING SYSTEM FOR MONITORING AND INTERFACE. 30. HISTORIES, TRENDS AND REPORTS a. THE BAS SHALL RETAIN IN MEMORY AT ALL TIMES 5 MINUTES OF TREND DATA (OR LAST 5 READINGS WHICHEVER IS LONGER) FOR EACH CONTROL POINT OR VARIABLE. RESOLUTION OF THIS SHALL NOT EXCEED ONE READING PER 15 SECOND INTERVAL. b. BAS SHALL RETAIN ONE YEAR (ROLLLING) OF DATA FOR ALL CONTROL POINTS IN TEN MINUTE INTERVALS. c. USER SHALL BE ABLE TO SELECT TABULAR OR GRAPHICAL OUTPUT OF DATA. GRAPHIC DATA SHALL BE AVAILABLE IN USER SELECTABLE COLOR OR BACK AND WHITE VERSIONS. d. TABULAR DATA SHALL BE MADE AVAILABLE IN COMMA SEPARATED VALUES OR IN FORMAT COMPATABLE WITH MICROSOFT EXCEL SOFTWARE. USERS CHOICE(*) DRIVER, ACTUATOR OR UNCLASSIFIED FINAL CONTROL ELEMENT PROCESS OR INITIATING VARIABLE READOUT OR PASSIVE FUNCTION COIL: CC - COOLING COIL RHC- REHEAT COIL PHC- PREHEAT COIL ERC- ENERGY RECOVERY COIL IT 01 IT 01 MS VFD NOTES ON VARIABLE FREQUENCY DRIVES VFDHOA OUTPUT TO MOTOR ENABLE SPEED INDICATOR INTERNAL DIAGNOSTIC VARIABLE FREQUENCY DRIVE VIRTUAL POINTS: VARIABLE FREQUENCY DRIVE MANUFACTURER COMMUNICATION CHIP/CARD MAY BE USED IN LIEU OF ANY HARD WIRED POINTS INDICATED VFD SYMBOL USED TO REPRESENT VARIABLE FREQUENCY DRIVE REFER TO PLANS FOR SPACE TEMPERATURE, HUMIDITY, PRESSURE AND CARBON DIOXIDE SENSORS/TRANSMITTERS INDICATED BY THE FOLLOWING SYMBOLS: TEMPERATURE SENSOR/TRANSMITTER = HUMIDITY SENSOR/TRANSMITTER = PRESSURE SENSOR/TRANSMITTER = EQUIPMENT ALARM CABLE LOCATION = (1 CABLE WITH 8 CONDUCTORS) CARBON DIOXIDE SENSOR = AIRFLOW DIRECTION INDICATOR = ALARM STROBE/HORN = P H T A C THE HAND-OFF-AUTOMATIC SWITCH ON THE VFD SHALL PROVIDE FOR THE FOLLOWING BASIS OF CONTROL: a. HAND POSITION : THE BAS SHALL HAVE NO CONTROL OVER THE MOTOR SPEED NOR SHALL IT BE ABLE TO START OR STOP THE MOTOR (EXCEPT FOR SAFETY PURPOSES WHERE THE MOTOR SHALL SHUT DOWN). THE MOTOR SHALL RUN UNDER SPEED CONTROL FROM THE HAND POTENTIOMETER ON THE VFD. ALL SAFETIES CONTROLLING THE SHUTDOWN SHALL BE OPERATIONAL (i.e. SMOKE DETECTORS, PRESSURE SWITCHES, ETC). TEMPERATURE AND HUMIDITY CONTROL SHALL BE AVAILABLE THROUGH THE BAS. b. OFF POSITION : THE MOTOR SHALL BE OFF. THE BAS SHALL NOT CONTROL THE MOTOR. ALL OTHER CONTROL POINTS SHALL BE IN THEIR FAIL-SAFE POSITION. c. AUTOMATIC POSITION : THE MOTOR SHALL BE CONTROLLED BY THE BAS. d. ALL ELECTRICAL DISCONNECTS ON EQUIPMENT SERVED BY VARIABLE SPEED DRIVES SHALL HAVE A SWITCH IN THE ELECTRICAL DISCONNECT WHICH REPORTS DISCONNECT POSITION. THIS SWITCH SHALL BE IN THE PERMISSIVE CIRCUIT OF THE VARIABLE FREQUENCY DRIVE SPEED CONTROL ADI EC MOTOR STARTER AND CONTROL OUTPUT TO MOTOR SPEED CONTROL MOTOR STARTER SYMBOL USED TO REPRESENT EC MOTOR STARTER AND CONTROL HOA HOA C RH PH ER Architect Payette Associates Architects, P.C. 290 Congress Street, Fifth Floor Boston, MA 02210-1005 Tel: 617-895-1000 Fax: 617-895-1002 MEP/FP Engineer Vanderweil 274 Summer Street Boston, MA 02210 Tel: 617-423-7423 Structural Engineer SGH 41 Seyong Street Building 1, Suite 500 Waltham, MA 02453 Tel: 781-907-9000 Fax: 781-907-9009 Drawing Scale Project Number Date Issued Renovation of Olin Hall for Chemical and Biomolecular Engineering - Phase 1 Code Consultant Hastings Consulting Inc 142 Hanlon Road Hollister, MA 01746 Tel: 508-397-8417 Lighting Designer Available Light 10 Derby Square #3 Salem, MA 01970 Tel: 978-744-6800 N Cost Consultant Dharam Consulting 745 Atlantic Ave Fl 8 Boston, MA 02111 Tel: 617-913-4345 Abatement Specialist Delta 860 Hooper Rd Endwell, NY 13760 Tel: 607-231-6600 Civil Engineer T.G. Miller, P.C. 203 N. Aurora Street Ithaca, NY 14850 Tel: 607-272-6477 NTS M8.10 29313.00 11/30/18 HVAC - CONTROLS # DATE DESCRIPTION 1 11/30/18 ISSUED FOR CONSTRUCTION DocuSign Envelope ID: D6CBE973-BBA9-4BE0-861E-C2F6DD72B539 12/10/2018