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O <br />EA " <br />EA <br />ECM O2 <br />KEYNOTES <br />I I <br />O CONTROLS CONTRACTOR TO INTERLOCK DAMPER WITH FAN <br />OPERATION. DAMPER PROVIDED BY MECHANICAL CONTRACTOR. <br />I of <br />ACTUATOR PROVIDED BY CONTROLS CONTRACTOR. <br />N <br />O2 EXHAUST FAN SPEED SHALL BE ADJUSTED AND BALANCED VIA <br />I I <br />QI QI <br />MANUAL DIAL AT THE ECM MOTOR. <br />WI WI <br />yl yl <br />I =1 <br />�I I <br />w I w I <br />DI DO <br />BMS CONTROLLER <br />KEYNOTES <br />1D HARD -WIRE TO SUPPLY FAN TO SHUT DOWN FAN UPON ALARM. <br />------------------ <br />I <br />I I <br />HW I <br />I I <br />FCU <br />I ry <br />I <br />' SA <br />RA <br />' TE <br />I <br />I TE TS ECM ' <br />I i C I <br />I � I <br />I I 11 I <br />M PS <br />I I I J I I <br />I I I <br />r I I I I I I I I <br />' <br />T______j <br />I I <br />L_______________ <br />h SPACE <br />O UI I I I T\ I <br />ill all QI �I I I I I ' I <br />U O K' OI it <br />¢I WI al 61 KI I I � I dl KI KI <br />wll 011I �I WI �I CI NI OI wl <br />�I Qll QI iil K' rl 71 QI wl WI UI K� <br />z � tnl O W I ~I dl al QI HI H HI zl LLI N' al R' UI <br />it of 0- <br />2 <br />OFAN COIL CONTROLLER <br />CLASSROOM VERTICAL AHU CONTROL DIAGRAM <br />SCALE: NTS <br />SEQUENCE OF OPERATIONS FOR EF-1 THROUGH EF <br />1. GENERAL <br />A. THE BUILDING MANAGEMENT SYSTEM (BMS) SHALL PROVIDE SCHEDULE, ENABLE AND DISABLE COMMAND <br />FOR ALL EQUIPMENT IN THE SYSTEM, PROVIDE SPACE TEMPERATURE SETPOINTS, AND MONITOR ECM FANS. <br />B. THEBMS SHALL BE HARDWIRED TO ALL CONTROL POINTS. <br />2. OPERATING CONDITIONS <br />A. UNOCCUPIED MODE: <br />a. UNOCCUPIED MODE SHALL BE BASED ON THE SCHOOL DISTRICT OCCUPANCY SCHEDULE. <br />b. THE EXHAUST DAMPER IS CLOSED. <br />c. THE EXHAUST FAN IS OFF. <br />S. OCCUPIED MODE: <br />a. OCCUPIED MODE SHALL BE BASED ON THE SCHOOL DISTRICT OCCUPANCY SCHEDULE. <br />b. THE EXHAUST DAMPER IS OPEN. <br />c. THE EXHAUST FAN IS ON, OPERATING CONTINUOUSLY. <br />J. EXHAUST RATE IS SET BY BALANCER AS INDICATED IN EQUIPMENT SCHEDULE. <br />3. ALARMS <br />A. ALARMS SHALL BE ROUTED TO THE FOLLOWING EMAIL ADDRESS: <br />B. ALARMS SHALL BE DESIGNATED AS CRITICAL OR ADVISORY IN ORDER TO DETERMINE PRIORITY LEVELS OF <br />RESPONSE BY THE OWNER. <br />C. EXISTING ALARM POINTS SHALL REMAIN PER EXISTING PROTOCOL. <br />D. NEW ALARM POINTS SHALL INCLUDE: <br />a. 'FAN NOT OPERATING" GENERATE AND ALARM IF THE EXHAUST FAN IS NOT OPERATING DURING <br />OCCUPIED HOURS. <br />b. COORDINATE ADDITIONAL ALARM REQUIREMENTS WITH OWNER. <br />4. MONITORING AND TRENDING <br />A. ATA MINUMUM THE FOLLOWING POINTS SHALL BE MONITORED AND TRENDED: <br />a. FAN STATUS <br />b. COORDINATE ADDITIONAL MONITOR AND TRENDING POINT REQUIREMENTS WITH OWNER. <br />B. CONTROL POINTS MONITORED BY THE BMS SHALL BE CAPABLE OF BEING TRENDED. <br />C. TREND DATA SHALL BE RECORDED OVER 15 MINUTE TIME INTERVALS, TREND CAPTURE TIMES SHALL BE <br />CONSISTEN FOR ALL POINTS AND SHALL BE COMPILED IN A SINGLE TREND STUDY. <br />SEQUENCE OF OPERATION <br />1. GENERAL <br />A. UNIT CONTAINS AN EC CONSTANT VOLUME SUPPLY FAN, OUTDOOR AIR DAMPER, RETURN AIR DAMPER AND A HEATING WATER COIL. <br />B. UNIT SYSTEM SHALL OPERATE IN ANY ONE OF FOUR DIFFERENT MODES OF OPERATION: MORNING WARM UP, ECONOMIZER COOLDOWN MODE, <br />OCCUPIED, OR UNOCCUPIED. <br />C. NUMERIC SETPOINTS SHALL BE ADJUSTABLE AT THE BUILDING AUTOMATION SYSTEM (BAS) WORKSTATION GRAPHICAL INTERFACE. <br />D. AIR HANDLING UNIT SHALL OPERATE AS A CONSTANT VOLUME SYSTEM WITH VARIABLE TEMPERATURE CONTROLS VIA A TWO WAY HYDRONIC HEATING <br />VALVE. <br />E. SEE BASIS OF DESIGN ON SHEET M-002 FOR OCCUPANCY SCHEDULE. <br />2. OCCUPIED MODE <br />A. SUPPLY FAN SHALL BE ACTIVATED AND RUN AT CONSTANT SPEED. <br />B. OUTDOOR AIR DAMPER SHALL BE AT MINIMUM DESIGN POSITION <br />C. RETURN AIR DAMPER: <br />a. RETURN AIR DAMPER SHALL MODULATE INVERSELY WITH THE OUTSIDE AIR DAMPER. <br />D. ECONOMIZER CONTROL <br />a. ENABLE ECONOMIZER MODE ANYTIME THE OUTDOOR AIR TEMPERATURE IS LESS THAN 75 DEGREES (ADJ) AND ECONOMIZER MODE IS ENABLED. <br />b. DISABLE ECONOMIZER MODE WHEN OUTDOOR AIR TEMPERATURE RISES ABOVE 78 DEGREES F (ADJ). <br />c. WHEN ECONOMIZER IS ENABLED; THE HOT WATER VALVE SHALL REMAIN CLOSED. <br />E. DISCHARGE AIR TEMPERATURE SETPOINT <br />a. MODULATE HOT WATER VALVES AS NECESSARY TO MAINTAIN DISCHARGE AIR TEMPERATURE SETPOINT <br />b. WHEN UNIT IS IN ECONOMIZER MODE, OUTDOOR AND RETURN AIR DAMPERS SHALL MODULATE TO MAINTAIN THE DISCHARGE AIR TEMPERATURE <br />SETPOINT BASED ON DRY BULB OUTDOOR AIR TEMPERATURE AND RETURN AIR TEMPERATURE. <br />3. UNOCCUPIED MODE <br />A. THE SUPPLY FAN IS OFF <br />B. THE OUTDOOR AIR DAMPERS ARE CLOSED. <br />C. THE RETURN AIR DAMPERS ARE OPEN. <br />D. HEATING WATER VALVES ARE CLOSED. <br />E. IF SPACE TEMPERATURE FALLS BELOW NIGHT SETBACK TEMPERATURE AND HYDRONIC HEATING SYSTEM IS OPERATING, SUPPLY FAN SHALL ENERGIZE <br />AND HEATING WATER VALVES SHALL MODULATE IN ORDER TO RAISE ROOM TEMPERATURE. OUTDOOR AIR DAMPERS TO REMAIN CLOSED. <br />F. THE SPACE TEMPERATURE SENSORS SHALL BE PROVIDED WITH A SWITCHED 2 HOUR OVERRIDE. WHEN THE OVERRIDE IS ACTIVATED THE FAN AND <br />ASSOCIATED HEATING WATER VALVE SHALL GO INTO OCCUPIED MODE UNTIL THE OVERRIDE TIME EXPIRES, <br />4. MORNING WARM UP MODE <br />A. PROVIDE AN OPTIMAL START PROGRAM THAT USES THE OUTSIDE AIR TEMPERATURE AND SPACE TEMPERATURE TO DETERMINE THE START TIME SO <br />THAT THE OCCUPIED TEMPERATURE SET POINT IS ACHIEVED 30 MINUTES PRIOR TO OCCUPANCY. <br />B. THE SUPPLY FAN SHALL RUN <br />C. OUTDOOR AIR DAMPERS SHALL REMAIN CLOSED. <br />D. HEATING WATER CONTROL VALVE SHALL MODULATE UNTIL THE SPACE SET POINT IN THE ZONE IS REACHED. <br />5. ALARM I SAFETY FUNCTIONS <br />A. PROVIDE A LOW LIMIT FREEZESTAT HARD WIRED TO THE SUPPLY FANS TO DISABLE THE FANS WHEN THE DEVICE IS TRIPPED. OUTDOOR AIR DAMPER <br />SHALL CLOSE, RETURN AIR DAMPER SHALL OPEN AND HEATING WATER VALVE SHALL BE 100% OPEN. FANS SHALL RESET AND DAMPERS AND HEATING <br />WATER VALVE SHALL RETURN TO NORMAL OPERATION AUTOMATICALLY ONCE THE ALARM IS CLEARED. <br />B. SUPPLY FAN FAILURE; CLOSE THE OUTDOOR AIR DAMPER, OPEN THE RETURN AIR DAMPER AND SEND AN ALARM TO THE BAS. ALARM SHALL REQUIRE <br />MANUAL RESET AT THE OPERATOR WORK STATION. <br />6. ALARMING <br />A. SPECIFICALLY IDENTIFY THE PIECE OF EQUIPMENT ASSOCIATED WITH THE GENERATED ALARM. <br />B. ALARMS SHALL BE DESIGNATED AS CRITICAL OR ADVISORY IN ORDER TO DETERMINE PRIORITY LEVELS OF RESPONSE BY THE OWNER: <br />C. CRITICAL ALARMS <br />a. "SUPPLY FAN FAILURE." -GENERATE AN ALARM WHEN THE SUPPLY FAN COMMAND DOES NOT MATCH FAN STATUS AFTER 10 (ADJUSTABLE); SEND AN <br />ALARM TO THE BAS. <br />b. FREEZESTATACTIVE."GENERATE AN ALARM IF THE FREEZESTAT ISACTIVATED. <br />D. ADVISORY ALARMS <br />a. CHANGE FILTER." GENERATE AN ALARM WHEN THE DIFFERENTIAL PRESSURE ACROSS FILTER IS> 0.9" (ADJUSTABLE) <br />E. COORDINATE ADDITIONAL ALARM REQUIREMENTS WITH OWNER. <br />7. TRENDING: <br />A. EXISTING MONITORING AND TRENDING SHALL REMAIN PER EXISTING PROTOCOL. FOLLOWING CHANGES SHALL BE IMPLEMENTED. <br />B. CONTROL POINTS MONITORED BY THE BAS SHALL BE CAPABLE OF BEING TRENDED. <br />C. TREND DATA SHALL BE RECORDED OVER 15 MINUTE TIME INTERVALS, TREND CAPTURE TIMES SHALL BE CONSISTENT FOR ALL POINTS, AND SHALL BE <br />COMPILED IN A SINGLE TREND STUDY, <br />D. THE MOST RECENT THREE MONTHS OF TRENDS SHALL BE REMOTELY ACCESSIBLE. OLDER DATA SHALL BE MADE AVAILABLE UPON REQUEST. <br />E. SET UP FOLLOWING POINTS FOR TRENDING: <br />a. SPACE TEMPERATURE <br />b. MIXEDAIR TEMPERATURE <br />c. SUPPLY AIR TEMPERATURE <br />d. OUTSIDE AIR TEMPERATURE <br />e. HEATING WATER COIL CONTROL VALVE COMMAND <br />I. MIXED AIR DAMPER POSITION% <br />g. ZONE MODE (UNOCCUPIED HEATING, WARM UP, OCCUPIED, ETC. <br />h. SUPPLY FAN STATUS <br />o8 TE <br />SA SA <br />FROM AHU i <br />--------------- <br />(_ <br />I I <br />HWS <br />ll I <br />I I <br />I I <br />� I <br />I <br />I <br />I <br />I <br />� I <br />I <br />COI I <br />UI WI I I <br />JI wl I �I <br />>I I ZI I <br />KI I �I <br />FI <br />�I �I WI UI <br />irn a al <br />AI AI DI AI <br />BMS CONTROLLER <br />SEQUENCE OF OPERATION <br />GENERAL <br />A. THE BUILDING MANAGEMENT SYSTEM (BMS) SHALL PROVIDE SCHEDULE, ENABLE AND DISABLE COMMAND <br />FOR ALL EQUIPMENT IN THE SYSTEM, PROVIDE SPACE TEMPERATURE SETPOINTS, SPACE TEMPERATURES <br />AND DISCHARGE AIR TEMPERATURE.. <br />B. THE BMS SHALL BE HARDWIRED TO ALL CONTROL POINTS. <br />C. NUMERIC SETPOINTS IN THE SEQUENCE SHALL BE ADJUSTABLE AT THE OPERATOR WORKSTATION <br />GRAPHICAL INTERFACE. <br />SETPOINTS <br />A. HEATING OCCUPIED SPACE TEMPERATURE:72°F <br />B. HEATING UNOCCUPIED SPACE TEMPERATURE: 65°F <br />C. ECONOMIZER COOLING OCCUPIED SPACE TEMPERATURE: 75°F <br />D. ECONOMIZER COOLING UNOCCUPIED SPACE TEMPERATURE: 80'F <br />OPERATING CONDITIONS <br />A. UNOCCUPIED MODE: <br />a. UNOCCUPIED MODE SHALL BE BASED ON THE SCHOOL DISTRICT OCCUPANCY SCHEDULE. <br />b. THE HOT WATER CONTROL VALVE MODULATES AS NEEDED TO MAINTAIN UNOCCUPIED SPACE <br />TEMPERATURE SETPOINT. <br />c. THE HEAT SHALL BE LOCKED OUT IF THE FAN STATUS IS OFF. <br />B. MORNINGWARMUP: <br />a. WHEN ASSOCIATED AIR HANDLER IS IN MORNING WARM-UP MODE, HOT WATER VALVE SHALL MODULATE <br />TO MAINTAIN DISCHARGE AIR TEMPERATURE OF CURRENT SPACE TEMP-15 DEGREES UNTIL THE <br />SPACE TEMPERATURE SETPOINT IN THE ZONE IS REACHED. <br />C. OCCUPIED HEATING MODE: <br />a. OCCUPIED MODE SHALL BE BASED ON THE SCHOOL DISTRICT OCCUPANCY SCHEDULE. <br />b. WHEN ASSOCIATED AIR HANDLER IS IN OCCUPIED HEATING MODE, THE HEATING HOT WATER CONTROL <br />VALVE MODULATES AS NEEDED TO MAINTAIN THE SPACE TEMPERATURE SETPOINT. THE HEATING <br />SHALL BE ENABLED WHEN THE OUTSIDE AIR TEMPERATURE IS LESS THAN 657 (ADJ.) AND THE ZONE <br />TEMPERATURE IS BELOW THE SETPOINT. <br />c. THE HEAT SHALL BE LOCKED OUT IF THE FAN STATUS IS OFF. <br />ALARMS <br />A. ALARMS SHALL BE ROUTED TO THE FOLLOWING EMAIL ADDRESS: <br />B. ALARMS SHALL BE DESIGNATED AS CRITICAL OR ADVISORY IN ORDER TO DETERMINE PRIORITY LEVELS OF <br />RESPONSE BY THE OWNER. <br />C. EXISTING ALARM POINTS SHALL REMAIN PER EXISTING PROTOCOL. <br />D. NEW ALARM POINTS SHALL INCLUDE: <br />a. "LOW SPACE TEMPERATURE"GENERATE AND ALARM IF THE SPACE TEMPERATURE FALLS 5 DEGREES <br />BELOW SETPOINT FOR 30 MINUTES. <br />b. "HIGH SPACE TEMPERATURE' GENERATE AND ALARM IF THE SPACE TEMPERATURE RISES 5 DEGREES <br />ABOVE SET POINT FOR 30 MINUTES. <br />c. COORDINATE ADDITIONAL ALARM REQUIREMENTS WITH OWNER. <br />MONITORING AND TRENDING <br />A. ATA MINUMUM THE FOLLOWING POINTS SHALL BE MONITORED AND TRENDED: <br />a. CONTROL VALVE COMMAND <br />b. DISCHARGE AIR TEMPERATURE <br />c. ZONE SPACE TEMPERATURE <br />d. ZONE SPACE TEMPERATURE SETPOINT <br />e. COORDINATE ADDITIONAL MONITOR AND TRENDING POINT REQUIREMENTS WITH OWNER. <br />B. CONTROL POINTS MONITORED BY THE BMS SHALL BE CAPABLE OF BEING TRENDED. <br />C. TREND DATA SHALL BE RECORDED OVER 15 MINUTE TIME INTERVALS, TREND CAPTURE TIMES SHALL BE <br />CONSISTEN FOR ALL POINTS AND SHALL BE COMPILED IN A SINGLE TREND STUDY. <br />0 try <br />ife Of Your Building <br />McKINSTRY Co, LLC <br />SEATTLE: <br />5005 3RD AVENUE S <br />PO BOX 24567 <br />SEATTLE, WA 98124 <br />1-800-669-6223 <br />www.mckinstrv.com <br />PROJECT <br />MUKILTEO SD <br />PHASE 10 HVAC <br />IMPROVEMENTS <br />- HORIZON ES <br />222 W CASINO RD <br />EVERETT, WA 98204 <br />CONSULTANTS: <br />ISSUE: <br />PERMIT SET <br />05/06/2022 <br />REGISTRATION: <br />�R p,F WA 'stb <br />s��Q� f�ca�eA <br />52771 Q <br />Pol �E'GISTS <br />G <br />`rS10NAL <br />ISSUES <br />SR ENGINEER: <br />L. HESS <br />DRAWN BY: <br />M. SAFONOV N. HOBURG A. PASSAS <br />QC BY: <br />L. HESS <br />JOB NO: <br />205557-004 <br />ISSUED ON: <br />05106/2022 <br />SHEET TITLE: <br />CONTROLS DIAGRAMS <br />& SEQUENCE OF <br />OPERATIONS <br />EXHAUST FAN CONTROL DIAGRAM <br />SCALE: NTS <br />HOT WATER COIL CONTROL DIAGRAM <br />SCALE: NTS <br />SHEET NUMBER: <br />M-020 <br />