Laserfiche WebLink
� � � ' CARN EGI E <br /> . <br /> S Ms MOTOR STARTER � U I L�D I N G ` <br /> M r F T ELECTRONICAI.LY COMMUTA7ED <br /> SUI'PLY ��M MOTER R E S TO R A T10 N � <br /> EXHAUST AIR � � AIR <br /> � �� A`��"" 3n�1 �AKE� AVE. . � <br /> A�S AIRFLOW MEASURING STATION EVEF�ETT, WA 98201 <br /> Ec� B�s BUILDING PRESSURE SENSOR ' <br /> GAS FURNACE <br /> SUPPLY FAN <br /> Pl�4TE AND FRAME �s CUF�RENT SENSOR � <br /> HEAT EXCHANGER �' <br /> �:� <br /> oPs DIFFERENTIAL PRESSUf�E SWITCH �+ <br /> ECM � <br /> psa DUCT' 5MOKE DETECTOR � <br /> R � <br /> M DP M DP T F t FZ ) �REEZESTAT � � <br /> _pF' �.o�� <br /> OUTSIDE AIR � � E�X�HAUST wuis HIGH LIMI�f HUMIDITY SENSOR CC� <br /> E� � � <br /> FILTER � � , m DB �ILTER . <br /> .� <br /> EXHAUST FAN �►�s HIGH LIMIT PRESSURE SWITCH <br /> � <br /> Hs HUMIDITY SENSOR � �:; <br /> "z vFD HER�z 2813 ROCKEFELLER AVE ' ' <br /> LLHS LOW LIMIT HUMIDITY SENSOR EVERETT, WA 9�201 <br /> NOTES: PHONE: 425.317.8017 . <br /> �.LPs LOW LIMIT PRESSURE SWITCH FAX: 425.317.�4�9 <br /> 1. HX FACE AND BYPASS D,�MPERS (DF AND D�) LOCAI'ED WIl'HIN THE AHU. <br /> 2. ALL (5) DAMPER ACTUATORS �Y THE CONTROLS CONTRACTOR. �� MOTOR OPERATED DAMPER . <br /> sc VFD SPEED CON7ROL <br /> �: <br /> sPs STATIC PRESSURE SENSOR , <br /> ,. . <br /> 1 1 �f�i �I � I /`�� V 1 �1 l� � � �/� l�i C "�, ss 5TART STOP <br /> M7.1 SCALE: NQNE <br /> � <br /> � TEMF'ERA`fURE TRANSMITfER , ' <br /> SEQUENGE OF OPERATION <br /> NO NORMALLY OpEN <br /> A. GENERAL: <br /> 1. SYSTEMS IS CONSTANT VOLUME WITH GAS FURNACE. NC NORMALLY CLOSED <br /> 2. SYSTEM PROVIDES TEMPERED VENTILATION AIR FOR THE LOWER LEVEL OF THE BUILDING. <br /> 3. SUPPLY RND EXHAUST FAN MOTORS ARE CONTROLLED BY ELECTRONICALLY COMMUTATED MOTORS (ECM). FAN STATUS IS MONITORED THROUGH CURRENT SENSORS IN THE MOTOR ,'���� ��� <br /> STARTERS. ` <br /> 4. AN ALARM IS ENERGIZED UPON FAILURE OF ANY DEVICE. �",�, ��. <br /> 5. ALL SETPOINTS AND SCHEDULES SHALL BE ADJUSTABLE. � ; �� ' - <br /> �'�"- �° <br /> B. SYSTEM START/STOP: � � <br /> ���i,1 ,�'' , <br /> 1. PROGRAMMED SCHEDULING: AIR HANDLING SYSTEM RUNS ACCORDING TO THE OWNER PROVIDED SCHEDULE. � � <br /> 2. THE DDC SYSTEM SHALL ENABLE AND DISABLE THE AHU FANS AND SHALL PROVIDE START/STOP AND SPEED CONTROL FOR EACH ECM. CONTROL SYSTEM SHALL MONITOR THE ���� �+� <br /> FOLLOWING INPUTS THROUGH EACH ECM: HERTZ, STATUS, AND FAULT ALARM. <br /> 3. UNIT START: UN17 STARTS ACCORDING TO THE OWNER PROVIDED SCHEDULE. �� . <br /> 4. NORMAL SHUTDOWN: DAMPERS SHALL BE !N THE FOLLOWING POSITIONS WHEN UNIT IS OFF FOR ANY REA50N: <br /> a. OUTDOOR AIR DAMPER: CLOSED. <br /> b. EXHAUST AIR DAMPER: CLOSED. <br /> c. HEATING: OFF. �- <br /> 5. SAFETY SHUTDOWN: <br /> a. FIRE ALARM: THE AIR HANDLING UNIT SHUTS DOWN UPON RECEIPT OF FIRE DETECTION SIGNAL FROM THE DDC SYSTEM. DDC SHALL RESTART SYSTEM UPON RECEIPT OF AN "ALL EXHAUST FAN SCHEDULED (EF-� � y <br /> CLEAR" SIGNAL FROM THE FIRE ALARM SYSTEM. � <br /> C. AHU DISCHARGE AIR TEMPERATURE CONTROL: THE HEAT EXCHANGER (HX) FACE AND BYPASS DAMPERS AND 2-STAGE GAS FURNACE ARE CONTROLLED IN SEQUENCE (HX PRIMARY, GAS HEAT SYSTEM DESCRIPTION: " <br /> SECONDARY)TO MAINTAIN THE DISCHARGE AIR TEMPERATURE (DAT) SETPOINT; INITIAL SETPOINT IS 70 F. DIRECT DRIVE EXHAUST FAN PROVIDES BUILDING EXHAUST, arm REqSTERED ' <br /> �RCHITECT <br /> D. FAN SPEED CONTROL: THE SUPPLY AND EXHAUST FAN SPEEDS SHALL BE CONTROLLED BY THE DDC SYSTEM THRU THE RESPECTIVE ECMS TO MAfNTAIN CONSTANT AIR VOL.UME (TO OFFSET MODES OF OPERATION: <br /> FILTER LOADING). BUILDING MANAGEMENT SYSTEM SHALL CONTROL OCCUPIED OR UNOCCUPIED MODE BASED ON A USER <br /> DEFINABLE SCHEDULE. SANDRA J. ALDEI2 ' <br /> STA'iE OF Wd�iiTON <br /> E. FREEZE PROTECTION: FREEZE STAT SHALL BE INTERLOCKED WITH THE FACE AND BYPASS DAMPER OPERATION TO ALLOW MORE RETURN AIR TO BYPASS THE HEAT EXCHANGER TO PREVENT <br /> THE EXHAUST AIR FROM DROPPING TO ADJ. LOW TEMP LIMIT; INITIAL EXHAUST AIR LIMIT SETPOINT IS 32 F. THE BUILDING MANAGEMENT SYSTEM CONTROLS MAY BE OVERRIDDEN BY THE FIRE ALARM SYSTEM. <br /> �F UNOCCUPIED MODE: � <br /> EXHAUST AIR � EXHAUST AIR EXHAUST FAN: FAN IS OFF. <br /> EXHAUST DAMPER: DAMPER IS CLOSED. SCALE: AS NOTED i <br /> M M <br /> MS OCCUPIED MODE: I�SUE DATE: O��Z��ZO77 <br /> EXHAUST FAN: FAN IS ON. DRAWN: AC <br /> POINT DESIGNATION DIGITAL DIGITAL ANALOG ANALOG ALARMS REMARKS CS SS EXHAUST DAMPER: DAMPER IS OPEN. ' <br /> OUTPUT INPUT OUTPUT i►vPu-r �HECKED: RE <br /> DOAS AIR HANDLING UNIT, WITH HEAT REC�VERY ALARMS: <br /> EXHAUST FAN: <br /> SUPPLY FAN START/STOP FE 1 • FAN FAILURE: COMMANDED ON, BUT THE STATUS IS OFF. (,� TNIS PLAN AND DESIGN IS AND REPIAAINS <br /> • FAN IN HAND: COMMANDED OFF, BUT THE STATUS IS ON. TWE PROPERTY OF THE ARCHITECTS AND <br /> SUPPLY FAN STATUS FS 1 PROVIDE CURRENT SENSING RELAY MAY NOl' �E USED VNTMOUT PRIOR <br /> SUPPLY FAN VOLUME AFS 1 PROVIDE AIR FLOW SENSOR FAILURE MODE: CONSENT FROM THE ARCHII�CT <br /> IN THE EVENT OF A FIRE ALARM INPUT, THE SYSTEM COMPONENTS SHOULD BE COMMANDED AS FOLLOWS: " <br /> RETURN FAN START/STOP FE 1 EXHAUST FAN: FAN IS OFF. <br /> RETURN FAN STATUS FS 1 PROVIDE CURRENT SENSING RELAY REVIEW <br /> RETURN FAN VOLUME AFR 1 PROVIDE AIR FLOW SENSOR <br /> SUPPLY AIR TEMPERATURE TS 1 2 ���,���� �d�� �����Vl� �I�1,�d�01� ����1) • <br /> REV. DATE DE�CRIPTION - <br /> RETURN AIR TEMPERATURE TR 1 M��� SCALE: NONE <br /> OUTSIDE AIR DAMPER COMMAND DO 1 OrJ 26 SCHEMATIC �ESIGN <br /> EXHAUST AIR DAMPER COMMAND DE 1 O8 1 �J PROGRESS D�AWINGS . <br /> HX FACE DAMPER COMMAND DF 1 O9 O� PERMIT SET <br /> HX BYPASS DAMPER COMMAND DB 1 POINT DESIGNATION DIGITAL DIGITAL ANALOG ANALOG ALARMS REMARKS <br /> GAS FURNACE CONTROL - 1ST STAGE GF1 1 OUTPUT INPUT OUTPUT INPUT " <br /> GAS FURNACE CONTROL -2ND STAGE GF2 1 EXHAUST FAN, SCHEDULED (EF-1) <br /> GAS FURNACE STATUS GFS 1 PROVIDE CURRENT SENSING RELAY EXHAUST FAN START/STOP SS 1 <br /> FILTER DIFFERENTIAL PRESSURE DP 2 2 EXHAUST FAN PROOF CS 1 1 CURRENT SENSING RELAY <br /> FRE�ZE PROTECTION FZ 1 INTERLOCK WITH FACE & BYPASS DAMPER CONTROL MOTORIZED DAMPER DE 1 • <br /> GENERAL NOTES: M E��l /�N I �f'1L ��� TR�LS <br /> 1. PROVIDE ADDITIONAL DDC INPUT/OUTPUT POINTS AND ALARMS WEHERE REQUIRED IN ORDER TO COMPLY WITH THE SEQUENCE OF OPERATIONS. GENERAL NOTES: D 1 AGR/`'iM S <br /> 2. SEE SEQUENCE OF OPERATION FOR ADDITIONAL ALARMS. 1. PROVIDE ADDITIONAL DDC INPUT/OUTPUT POINTS AND ALARMS WEHERE REQUIRED IN ORDER TC7 COMPLY WITH THE SEQUENCE OF OPERATIONS. <br /> 3. PROVIDE GRAPHICS FOR ALL POINTS. Z. PROVIDE GRAPHICS FOR ALL POINTS. <br /> <: <br /> • <br /> E:' <br />