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i , <br /> �EGEND - <br /> GENERA� NOTES <br /> 1 . THE CONTROLS CONTRACTOR IS R�SPONSIBLE <br /> �' AC z FOR ALL OUTPUT AND INPUT PIPE WORK AND <br /> Z J i ��-, � w OUTSIDE WIRWG TO THE EMCS. <br /> � J o z Q I 37 � J 8 7�'' AIR <br /> ) 2 0 0 � <br /> o �' z ¢ AIR CONDITIONING Q `L NC <br /> UNIT 2 N I NENCORDERPOFEOR GINAL VACUUMAPUMPA <br /> � � . ROOM. <br /> _ LTT TT N� 10 <br /> \ DPS <br /> D PS 9� � <br /> SD <br /> TT <br /> TT 7.5HP ' <br /> RETURN <br /> 9.000 AIR � <br /> " CFM <br /> � CHWR <br /> DISCHARGE � <br /> AIR CHWS <br /> CONSTRUCTION NOTES <br /> � 1� EXISTING AC-137 TO BE CONVERTED OVER FROM <br /> o J N STAND-ALONE CONTROLS TO HONEYWELL CONTROLS , <br /> U <br /> w w z � 2�j EXISTING COOLING COIL WILL BE RE-USED; BUT <br /> . � <br /> o Q TT � � � CONVERTED FROM CITY WATER TO CHW <br /> w � � J � o � w w c�~i-� 3�, PROVIDE NEW CHW CONTROL VALVE AND ACCESSORIES <br /> � � f-- o � � w � � <br /> � � � � w cn �- � � � <br /> cn v� <br /> Q Z Q � ~ � � � � a Q 4, APPARENTLY NO SMOKE DETECTORS IN SUPPLY - <br /> '-'-' z z � � w Q a a ¢ � � = VERIFY ABSENCE OF DETECTOR(S). <br /> c� Q `t �-- z z Q w <br /> � �` L` c.� w o � � � � <br /> � � � o w � � J � � � � 0 5�- INSTALL RETURN AIR SMOKE DETECTOR. <br /> � � � p � � �` � <br /> � � v <br /> 6 � APPEARS THAT RA DAMPER WAS REMOVED AND OPENING <br /> CAPPED OFF. . <br /> 7� ADD MIXING DAMPERS (OA & RA DAMPERS FOR FREEZE <br /> PROTECTION). <br /> 8�' EXISTING FILTER SECTION. <br /> 9 ' ADD FILTER DIFFERENTIAL PRESSURE SENSOR AND <br /> ALARM. <br /> � 12 11 SIGNAL <br /> CONVERTING 10 OUTSIDE AIR GETS PREHEATED WITH A DUCTED <br /> - AI 0 DI AO DI AI AI DI DI AI A DI 0 PANEL GAS-FIRED UNIT HEATER. <br /> 11 EXISTING PLC SENDS LOW VACUUM PRESSURE SIGNAL <br /> TO EXISTING HONEYWELL PANEL VIA PLC SYSTEM <br /> EMCS I/0 POINT SUMMARY LIST, EXISTING AC- 137( 1 ) HD VACUUM '— AI R CO N D ITI O �l I N G U N IT, AC — � � � MOUNTED SELECTOR SWITCH. <br /> PUMP ROOM VFD CABINETS <br /> OUTPUT 12 MONITOR VFD CABINET TEMPERATURE FOR EACH VFD (3 <br /> INPUT OCCUPIED MODE OF OPERATION UNOCCUPIED MODE OF OPERATION <br /> POINT TYPE DESCRIPTION POWT TYPE DESCRIPTION TOTAL) OPTIONAL FEATURE. <br /> 1 DI AC SUPPLY FAN STATUS (DP SWITCH) 1 DO AC SUPPLY FAN START/STOP AC-137 SHALL RUN AND MAINTAIN A DISCHARGE AIR TEMPERATURE <br /> 2 DI FREEZE STAT 2 AO MIXED AIR DAMPER CONTROL(5)(6) AC-137 SHALL START WHENEVER THE HOLD-DOWN VACUUM PUMP OF 65F (ADJ) WHENEVER THE HOLD-DOWN VACUUM PUMP SYSTEM <br /> SYSTEM IS IN OPERATION. IS IN OPERATION. <br /> � 3 DI FILTER ALARM(7) 3 AO COOLING CONTROL VALVE(2)(3) <br /> 4 AI MIXED AIR TEMPERATURE SENSOR 4 AO HEATING (UNIT HEATER CONTROL (8) START-UP MODE: BELOW 40 DEGREES F OUTSIDE AIR TEMPERATURE <br /> 5 AI DISCHARGE AIR TEMPERATURE SENSOR 5 DO UNIT HEATER START PERMISSIVE THE SUPPLYSFAN STARTS OUTSIDESAIRLDAMPERS5SHALLTREMAENORE SAFETIES <br /> 6 AI RETURN AIR TEMPERATURE SENSOR 6 CLOSED UNTIL NORMAL DISCHARGE AIR TEMPERATURE HAS BEEN <br /> 7 A� SPACE TEMPERATURE SENSOR 7 ATTAINED. THE LOW TEMPERATURE THERMOSTATS (FREEZE STAT) WITH MANUAL RESET <br /> 8 DI LOW VACUUM PUMP ALARM(9) 8 LOCATED UPSTREAM OF THE COOLING COIL SHALL OPEN THE RETURN AIR <br /> AI HIGH CABINET TEMPERATURE ALARM 10 9 HEATING: WITH AC-137 RUNNING, THE OCCUPIED MODE SHALL BE AS DAMPER AND CLOSE THE OA DAMPER WHEN ANY 1 FOOT OF ITS 20 FOOT <br /> 9 � ) ELEMENT SENSES A TEMPERATURE BELOW ITS SETPOINT OF 38 DEGREES F. <br /> 10 AI HIGH CABINET TEMPERATURE ALARM(10) 10 FOLLOW: THE OUTSIDE AIR DAMPER SHALL OPEN AND THE RETURN <br /> 11 AI HIGH CABINET TEMPERATURE ALARM(10� 11 AIR DAMPER SHALL CLOSE. BELOW 50 DEGREES F (ADJ. VARIABLE) <br /> OUTSIDE AIR TEMPERATURE THE GAS-FIRED UNIT HEATER SHALL BE <br /> 12 AI UNIT HEATER FLAME FAILURE 12 ON AND THE DISCHARGE AIR TEMPERATURE TRANSMITTER SHALL <br /> ` 13 DI RETURN AIR SMOKE DETECTOR MODULATE THE GAS-FIRE UNIT HEATER TO MAINTAIN DISCHARGE AIR <br /> TEMPERATURE SETPOINT. CHILLED WATER VALVE SHALL BE CLOSED. <br /> COMMENTS: COOLING: WITH AC-137 RUNNWG, THE OCCUPIED MODE SHALL BE AS <br /> FOLLOWS; THE OUTSIDE AIR DAMPER SHALL OPEN AND THE RETURN °�� '��3 � 4� � � <br /> P R SHALL CLOSE. WHEN CHILLED WATER IS AVAILABLE THE ��'� < ��� <br /> AI R DAM E ��y--� <br /> DISCHARGE AIR TEMPERATURE TRANSMITTER SHALL MODULATE THE <br /> COOLING CONTROL VALVE TO MAINTAIN DISCHARGE AIR TEMPERATURE G R O U P <br /> , SETPOINT 65F (ADJ). <br /> 600 Stewart St., Ste 1400 <br /> Seattle Washington 98101 <br /> " ISSUED FOR PERMIT � ��e� 206.267.1700 <br /> �7. � 8. � 7 �ax 206.267.1701 <br /> �AZAN # 500-1775 <br /> DRAWN DATE SUBTITLE CURRENT REVISION SYMBOL DATE <br /> SYM REVISION BY APPROVED DATE SYM REVISION BY APPROVED DATE L L� ACCEPTABIL�Y AC-137 CONTROL DIAGRAM W2572915 07.18.17 <br /> �h� THIS DESIGN AND OR CHECKED <br /> - IRC ROUTER VAC PUMP H20 RECYCLE W2572915 SAZAN 07.18.17 <br /> ����F P�s�f`���� � SPECIFICATION IS APPROVED SHEET <br /> � r�-T i ���� rv w TITLE IRC - WBS 2.2.3.4.4 VACUUM PUMP WATER RECYCLE M 310� <br /> BOE��� � { �l' • ��S«i�'� APPROVED BY DEPT. DATE <br /> `..� `;, !����� � �� s€"��- CHECKED <br /> B U I LD I N G 40-056 JOB N0. COMP No. <br /> � , <br /> . ����r��F�'ts�R����`"�r'� APPROVED <br /> 'S'lONAL �' <br /> ' ������ APPROVEO DWG N0. <br /> 07/17/2017 MECHANICAL MASTER COL. X-X/X-X EVERETT 40-056-M310-3 <br />