1、*USACE / NAVFAC / AFCESA / NASA UFGS-23 09 33.13 40 (August 2008)-Preparing Activity: NASA SupersedingUFGS-23 09 33.13 40 (July 2007)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated July 2008*SECTION TABLE OF CONTENTSDIVISION 23 - HEATING, VENTILATING, AND AIR CONDI
2、TIONINGSECTION 23 09 33.13 40ELECTRIC CONTROL SYSTEM FOR HVAC08/08PART 1 GENERAL1.1 REFERENCES1.2 SUBMITTALS1.3 GENERAL REQUIREMENTSPART 2 PRODUCTS2.1 GENERAL2.2 COMMUNICATIONS2.3 DIAGNOSTICS2.3.1 Automatic Diagnostics2.3.2 Comprehensive Diagnostics2.4 ACQUISITION POINT REQUIREMENTS2.5 CONTROL POINT
3、 REQUIREMENTSPART 3 EXECUTION3.1 INSTALLATION3.2 OPERATION AND MAINTENANCE- End of Section Table of Contents -SECTION 23 09 33.13 40 Page 1Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-*USACE / NAVFAC / AFCESA / NASA UFGS-23 09 33.13 40 (August 200
4、8)-Preparing Activity: NASA SupersedingUFGS-23 09 33.13 40 (July 2007)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated July 2008*SECTION 23 09 33.13 40ELECTRIC CONTROL SYSTEM FOR HVAC08/08*NOTE: This specification covers the requirements for microprocessor interface
5、 requirements for control of air handling units from a central building control computer, referred to in the text as the Utility Control System (UCS).The purpose of this section is to obtain detailed microprocessor communication protocol in order to interface an air handler microprocessor with a dis
6、similar building control system. Air handler microprocessor will typically communicate with a Remote Terminal Unit (RTU), which is a smart peripheral extension of the UCS.This section should be used in conjunction with the following when applicable:Section 42 22 13.00 40 CENTRIFUGAL PROCESS CHILLERS
7、 AND COOLERS.Section 23 82 19 FAN COIL UNITS.Section 23 34 16.00 20 AIR HANDLING UNITS.Section 23 74 33.00 40 PACKAGED, OUTDOOR, HEATING AND COOLING MAKEUP AIR-CONDITIONERSSection 23 81 23.00 20 COMPUTER ROOM AIR CONDITIONING UNITSEdit this guide specification for project specific requirements by ad
8、ding, deleting, or revising text. For bracketed items, choose applicable items(s) or insert appropriate information.Remove information and requirements not required in respective project, whether or not brackets are present.Comments and suggestions on this guide specification are welcome and should
9、be directed to the technical SECTION 23 09 33.13 40 Page 2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-proponent of the specification. A listing of technical proponents, including their organization designation and telephone number, is on the Inte
10、rnet.Recommended changes to a UFGS should be submitted as a Criteria Change Request (CCR).*PART 1 GENERAL1.1 REFERENCES*NOTE: This paragraph is used to list the publications cited in the text of the guide specification. The publications are referred to in the text by basic designation only and liste
11、d in this paragraph by organization, designation, date, and title.Use the Reference Wizards Check Reference feature when you add a RID outside of the Sections Reference Article to automatically place the reference in the Reference Article. Also use the Reference Wizards Check Reference feature to up
12、date the issue dates.References not used in the text will automatically be deleted from this section of the project specification when you choose to reconcile references in the publish print process.*The publications listed below form a part of this section to the extent referenced. The publications
13、 are referred to within the text by the basic designation only.ELECTRONIC INDUSTRIES ALLIANCE (EIA)TIA/EIA 422-B (1994; R 2005) Standard for Electrical Characteristics of Balanced Voltage Digital Interface Circuits1.2 SUBMITTALS*NOTE: Review Submittal Description (SD) definitions in Section 01 33 00
14、 SUBMITTAL PROCEDURES and edit the following list to reflect only the submittals required for the project. Submittals should be kept to the minimum required for adequate quality control.A “G” following a submittal item indicates that the submittal requires Government approval. Some submittals are al
15、ready marked with a “G”. Only delete an existing “G” if the submittal item is not complex and can be reviewed through the Contractors Quality Control system. Only add a “G” if the submittal is sufficiently important or complex in SECTION 23 09 33.13 40 Page 3Provided by IHSNot for ResaleNo reproduct
16、ion or networking permitted without license from IHS-,-,-context of the project.For submittals requiring Government approval on Army projects, a code of up to three characters within the submittal tags may be used following the “G“ designation to indicate the approving authority. Codes for Army proj
17、ects using the Resident Management System (RMS) are: “AE“ for Architect-Engineer; “DO“ for District Office (Engineering Division or other organization in the District Office); “AO“ for Area Office; “RO“ for Resident Office; and “PO“ for Project Office. Codes following the “G“ typically are not used
18、for Navy, Air Force, and NASA projects.Choose the first bracketed item for Navy, Air Force and NASA projects, or choose the second bracketed item for Army projects.*Government approval is required for submittals with a “G“ designation; submittals not having a “G“ designation are for Contractor Quali
19、ty Control approval.for information only. When used, a designation following the “G“ designation identifies the office that will review the submittal for the Government. Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:SD-01 Preconstruction SubmittalsRecords of Existing
20、Conditions shall be submitted in accordance with paragraph entitled, “General Requirements,“ of this section.SD-02 Shop DrawingsConnection Diagrams shall be submitted for air handling unit microprocessor interface in accordance with paragraph entitled, “General Requirements,“ of this section.SD-03 P
21、roduct DataEquipment and Performance Data shall be submitted for air handling unit microprocessor interface in accordance with paragraph entitled, “General Requirements,“ of this section.SD-07 CertificatesParts List shall be submitted for air handling unit microprocessor interface in accordance with
22、 paragraph entitled, “General Requirements,“ of this section.SD-08 Manufacturers InstructionsOperating Instructions shall be submitted for air handling unit microprocessor interface in accordance with paragraph entitled, “General,“ of this section.SD-10 Operation and Maintenance DataOperation and Ma
23、intenance Manuals shall be submitted in accordance SECTION 23 09 33.13 40 Page 4Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-with paragraph entitled, “Operation and Maintenance,“ of this section.1.3 GENERAL REQUIREMENTS*NOTE: If Section 23 00 00 A
24、IR SUPPLY, DISTRIBUTION, VENTILATION, AND EXHAUST SYSTEMS is not included in the project specification, applicable requirements therefrom should be inserted and the following paragraph deleted.*Section 23 00 00 AIR SUPPLY, DISTRIBUTION, VENTILATION, AND EXHAUST SYSTEMS applies to work specified in t
25、his section.Records of Existing Conditions shall be submitted consisting of the results of Contractors survey of work area conditions and features of existing structures and facilities within and adjacent to the jobsite. Commencement of work shall constitute acceptance of existing conditions.Connect
26、ion Diagrams shall be submitted for air handling unit microprocessor interface indicating the relation and connection of devices and apparatus by showing the general physical layout of all controls, the interconnection of one system (or portion of system) with another, and internal tubing, wiring, a
27、nd other devices.Equipment and Performance Data shall be submitted for air handling unit microprocessor interface consisting of scan rates, and response times to direct commands.Parts List shall be submitted for air handling unit microprocessor interface listing by manufacturers name, part number, n
28、omenclature, and stock level required for maintenance and repair necessary to ensure continued operation with minimal delay.PART 2 PRODUCTS2.1 GENERALAir handling units which utilize a microprocessor-based control system for monitoring alarms, temperature and humidity and control chilled water flows
29、, heating, and humidification, shall have the capability to communicate directly with a microprocessor-based remote terminal unit (RTU) for data acquisition, alarm monitoring, set point and alarm point adjustment.Operating Instructions shall be submitted for air handling unit microprocessor interfac
30、e consisting of standard operating procedures including startup, shutdown, and emergency operation.2.2 COMMUNICATIONSCommunications port(s) shall be a standard interface in accordance with TIA/EIA 422-B. Standard baud rate shall be 9600, on which all performance specifications shall be based. Baud r
31、ate shall be switch selectable to 4800 2400.Each air handling unit microprocessor shall be available for and able to SECTION 23 09 33.13 40 Page 5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-communicate directly with the NASA Utility Control Syste
32、m (UCS) remote terminal unit (RTU).2.3 DIAGNOSTICSMicroprocessor control shall include a diagnostic routine that can be performed by the user to check the operation of the microprocessor.Diagnostic routines shall be fully tested by the manufacturer prior to delivery. Diagnostics shall provide two le
33、vels of testing.2.3.1 Automatic DiagnosticsAutomatic diagnostics shall be executed upon system start-up and shall include a read/write check to memory for memory testing, minimal instruction execution check, buss and port checks.2.3.2 Comprehensive DiagnosticsComprehensive diagnostics shall include:
34、Microprocessor instructions: All defined functions and their variationsMicroprocessor memory testing: Memory testing shall include comprehensive memory test with memory execution characteristic printout. Limits on memory access time, all patterns run, run time, and number of successful executions in
35、 worst case pattern shall be included in this printout.Power supply statusBuss and port checksCapability to be initiated remotely (through the communication link)Performance of the diagnostics shall meet the above requirements for final acceptance of the air handling unit.2.4 ACQUISITION POINT REQUI
36、REMENTSAir handling unit microprocessor shall monitor and transmit the values of the following points to the remote terminal unit (RTU):Cooling temperature setpointHeating temperature setpointHumidification setpointDehumidification setpointReturn air temperatureReturn air relative humidityAir handle
37、r fan operation status (loss of airflow alarm)Filter status (dirty filter alarm)SECTION 23 09 33.13 40 Page 6Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Water flow status (loss of chilled water flow alarm)Return air smoke detector alarmHumidifier
38、 failure alarmUnder floor water sensor alarmActivation of manual override alarmActivation of local alarmMicroprocessor failure (loss of communication is a valid indication of microprocessor failure)Acquisition values returned for a scan request shall be returned in no more than two (2) seconds.Air h
39、andling unit microprocessor shall respond to a scan request in no more than five (5) seconds, total, for up to 16 scanned points.2.5 CONTROL POINT REQUIREMENTSAir handling unit microprocessor shall accept commands from the remote terminal unit (RTU) to control the following points:Unit (fan) start/s
40、topCooling temperature setpointHeat temperature setpointHumidification setpointDehumidification setpointPART 3 EXECUTION3.1 INSTALLATIONEquipment shall be installed as indicated and in accordance with the manufacturers recommendations.3.2 OPERATION AND MAINTENANCEContractor shall submit 6 _ copies o
41、f the Operation and Maintenance Manuals 30 calendar days prior to testing the air handling unit microprocessor interface. Data shall be updated and resubmitted for final approval no later than 30 calendar days prior to contract completion.- End of Section -SECTION 23 09 33.13 40 Page 7Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
