3003 W CASINO RD 2018 BLDG 40-56 Plans 2022-11-23 (2)

AC- 130 SEQUENCE OF OPERATIO�J NAT. GAS � z UNIT z . DISCHARGE BURNER z .J � � AC � � OUTSIDE �� ° J - z Q Q �-- 1 . WHEN THE UNIT RECEIVES AN ON SIGNAL FROM THE ENERGY AIR /HEATER/ � � � � � � AIR SECTION/ � Z ¢ 130 ¢ � MANAGEMENT SYSTEM (EMS), THE FOLLOWING SHALL OCCUR: ON ROOF NC a. AIR HANDLING UNIT AC-130 STARTS. DURING THE STARTUP TT SD LTT TT M SEQUENCE, THE SUPPLY FAN AND RETURN FAN SHALL BE DPS DPS CHECKED FOR STATUS VIA THE CURRENT REALAY IN THE MCC. � IF THE UNIT IS NOT IN THE "ON" STATUS WITHIN 15 SECONDS, NO M THE EMS SHUTS DOWN THE UNIT AND SIMULTANEOUSLY ACTI�JATES AN ALARM AT THE EMS CONSOLE. RETURN/RELIEF FAN 2. OCCUPIED MODE 7.5 HP FROM R.A. EXHAUST SMOKE AIR a. DISCHARGE AIR TEMPERATURE IS CONTROLLED TO A DETECTOR NC SETPOINT BY MODUTATING THE CHILLED WATER FLOW CONTROL VALVE, OA/RA QAMPERS AND GAS BURNER M HEATING SECTION IN SEQUENCE. THE SETPOINT FOR TNIS CONTROL LOOP IS ESTABLISHED FROM THE • SPACE TEMPERATURE SENSOR. THE MIXED AIR TEMPERATURE TRANSMITTER SHA�L PREVENT THE MIXED AIR TEMPERATURE FROM FALLING BELOW 45 F. �"� 3. UNOCCUPIED MODE NAT. GAS 2"� 2"� 5 PSI CHWR CHWS DPS a. WHEN AIR HANDLING UNIT AC-130 RECEIVES AN "OFF" SIGNAL FROM THE EMS, THE FOLLOWING SHALL OCCUR: SD �'� H� - AIR HANDLING UNIT SUPPLY 8c RETURN FANS SHUT DOWN. TT - OUTSIDE AIR DAMPER CLOSES AND RETURN AIR DAMPER GQES TO FULL OPEN POSITION. - CHILLED WATER CONTROL VALVE TCV-01 ANQ GAS RETURN HEATING CONTROLS SHALL GO TO FULLY CLOSED POSITION. AIR a � o J b. WHEN THE SPACE TEMPERATURE FALLS BELOW A SETBACK ; Q � � TEMPERATURE OF 55 DEG. F., THE AHU IS RESTARTED AND w � o � W o Z THE GAS HEAT CONTROLS MODULATE TO ACHIEVE � � o c~n Q TT o ��„ � SETPOINT. THE UNIT SHALL BE DE-ENERGIZED WHEN THE �' '�' � �- � > W � � � SETBACK TEMPERATURE IS REACNED. THE UNIT WILL �- � z � �- � � � � � w . � � o ? Q o � � „� �c Q � CONTINUE TO CYCLE AS NEEDED. � Q � � � � w � � � � Q � � � Q � Q Q � Q � � ¢ ¢ Q Q Z � 4. LOW MIXED AIR TEMPERATURE Q r � �` �- cn '-'� ¢ Q � � Q m ~ N � � � � J w � � � � � � � � � a. IF THE MIXED AIR TEMPERATURE FALLS TO 40 DEG. F., AS IA � � Q � � o � � � � J W '� � � " SENSED BY THE FREEZE-STAT, THE OUTSIQE AIR DAMPER � `a "' "' �' `'- "' `J �- � � `� `�' � SHALL RETURN TO MINIMUM POSITION AND THE UNIT � � GAS HEATER CONTROLS SHALL MODULATE TO MAINTAIN REQUIRED MINIMUM DISCHARGE AIR TEMPERATURE (45°F). 1 � � A � 5. ECONOMIZER MODE w w w a. IF THE OUTSIDE AIR TEMPERATURE IS LESS THAN THE RETURN AIR TEMPERATURE, THE UNIT WILL OPERATE IN THE � ECONOMIZER MODE. THE EMS WILL MODULATE TNE OUTSIDE AIR AND RETURN AIR DAMPERS AS REQUIRED TO PRESSURE MAINTAIN SUPPLY AIR TEMPERATURE SETPOINT AND AIR REGULATING FLOW BALANCE. IF THE OUTSIDE AIR DAMPER IS FULLY VALVE SIGNAL OPEN AND SUPPLY AIR TEMPERATURE SETPOINT HAS NOT 40/20 PSIG AI DI AO 0 DI AO DI AI AI DI DI AI DQ DI AO CONVERTING BEEN ACHIEVED, THE CHILLED WATER CONTROL VALVE WILL PANEL MODULATE TO ACHIEVE SETPOINT AND THE OA DAMPERS WILL RETURN TO MINIMUM OUTSIDE AIR POSITION. � AC- 130 CONTROL DIAGRAM 6. CHILLED WATER SYSTEM CONTROL: CO � STR U CTI O I �l �l OTES EMCS I 0 POINT SUMMARY a. THE CHI�LED WATER VALVE WILL BE CONTROLLED AS 1 ' REVISED RQOM SENSOR QUANTITY FROM 4 SENSORS TO 2 SENSORS. INPUT DESCRIBED ABOVE. THE VALVE SHALL BE NORMALLY REVISE DDC SYSTEM TO PROVIDE TEMPERATURE CONTROL AVERAGING POINT TYPE DESCRIPTIQN CLOSED. BETWEEN 2 SENSORS. 1 DI AC-130 SUPPLY FAN STATUS (DPS) 17 DI AC-139 FAN STATUS (DPS) n EX AAR ST 7. SAFETIES: /� 2 DI AC-130 RETURN FAN STATUS (DPS) 18 DI AC-139 A�ARM THE LOW TEMPERATURE THERMOSTATS (FREEZE STAT) WITH MANUAL . RESET LOCATED UPSTREAM OF THE COOLING COIL SHALL SHUT DOWN 3 DI SUPPLY AIR SMOKE DETECTOR THE SUPPLY FAN AND THE RETURN FAN AND ALARM THRU THE EMCS WHEN ANY 1 FOOT OF ITS 20 FOOT ELEMENT SENSES A TEMPERATURE 4 DI RETURN AIR SMOKE DETECTOR OUTPUT EF BELOW ITS SETPOINT OF 38 F° 334 A 5 DI FREEZE STAT POINT TYPE DESCRIPTION THE SUPPLY AIR AND RETURN AIR SMOKE DETECTOR SHALL SHUT DOWN THE SUPPLY FAN AND THE RETURN/RELIEF FAN AND ALARM THRU THE 6 DI FILTER ALARM 1 DO AC-130 SUPPLY FAN START/STOP EMCS WHEN SENSING PRODUCTS OF COMBUSTION. 7 AI MIXED AIR TEMPERATURE SENSOR 2 DO AC-130 RETURN FAN START/STOP 8 AI DISCHARGE AIR TEMPERATURE SENSOR 3 AO MIXED AIR DAMPER CONTROL 1/2 HP P800 LI EB ERT AC U�J IT S EQ U E N C E 0 F 0 P ERATI O N , PRINTERS 9 AI RETURN AIR TEMPERATURE SENSOR 4 AO HEATING (GAS BURNER) CONTROL VALVE 1 . AC-137, AC-138, AND AC-139 5 AO COOLING CONTROL VA�VE OCCUPIED MODE: THE UNITS WILL OPERATE ACCORDING TO THE 3D 11 DI DUST COLLECTOR FAN STATUS (DPS) PRINTING SHOPS OCCUPANCY SCHEDULE AS DEFINED BY THE END USERS. A s• so 12 DI DUST COLLECTOR ALARM THE UNITS WILL PROVIDE CONSTANT VOLUME ACRFLOW. THE CHILLED WATER AUTO CONTROL VALVES WILL MODULATE TO MAINTAIN BETWEEN 72 DEG. F. 13 DI AC-137 FAN STATUS (DPS) EF-334 S EQ U EN C E 0 F 0 P ERATI O N AND 75 DEG. F. � 50 � R.H. IN THE SPACE (USER ADJUSTABLE). G R O U P 14 DI AC-137 ALARM 1 . EF-334 IS ACTIVATED WHEN EITHER OF THE PSOO 3D PRINTERS IN THE IN TNE EVENT OF A FAIL CONDITION, THE UNITS WILL ALARM AT THE DDC 600 Stewart St., Ste 1400 . 15 DI AC-138 FAN STATUS (DPS) SINTERING ROOM ARE ON AND DEACTIVATED WHEN BOTH PRINTERS ARE SYSTEM. Seattle, Washington 98101 OFF. LOCAL CONTROL ONLY. THE DDC SYSTEM SHALL MONITOR STATUS AND ALARM. PHASE 1 IFC Tel 206.267.1700 16 DI AC-138 ALARM �9.3�. � 6 Fax 206.267.1701 A SAZAN # 500-1666 SYM REVISION BY APPROVED DATE SYM REVISION BY APPROVED DATE DRAWN DATE SUBTITLE CURRENT REVISION SYMBOL DATE -- IRC OFFICES JOB � 52378101 MJP DH/FB 09.13.02 ACCEPTABILITY MJP 09 13 02 HVAC CONTROL DIAGRAMS THIS DESIGN AND/OR CHECKED W2572915 09.30.16 SPECIFICATION IS APPROVED SHEEI� A IRC - WBS 2.2.3.4.2 ADDITIVE MANUFACTURING W2572915 SAZAN/GB 09.30.16 BOE,�� APPROVED BY DEPT. DATE MJPN 09 13 02 TiT�E IRC - WBS 2.2.3.4.2 ADDITIVE MANUFACTURING 359ss � CHECKED APPROVED B U I LD I N G 40-056 JOB N0. COMP N0. 52378101 APPROVED MECHANICAL MASTER D/6.1 EVERETT, Wq �"'c No. 40-Q56-359ss