Multi-Story Building Floor Above/Floor Below Pressurization and Exhaust Logic

Transcription

1 Metasys Network Technical Manual 636 GPL Applications Section Application Note ssue Date 0497 APPLCATN NT Multi-Story Building Floor Above/Floor Below Pressurization and xhaust Logic ntroduction Page 3 Application Description 3 Design Considerations *5 Application Details 9 Main Function 9 Location *9 / Requirements 9 Process 10 GPL Screens 10 * ndicates those sections where changes have occurred since the last printing Johnson Controls, nc. 1 Code No. LT

2 2 GPL Applications Multi-Story Building Floor Above/Floor Below Pressurization and xhaust Logic

3 ntroduction Application Description When any of a building s automatic detectors indicates an alarm, this process provides the control to exhaust the smoke on the floor of the alarm, and pressurize the floor above and the floor below the alarm. Two stairwells are pressurized, and all subsequent alarms and subsequent actions are locked out. ach floor has its own outputs for exhaust and pressurization commands, these commands are issued at Priority 2. This priority level is used to bypass heavy equipment delays and override commands issued by an operator at the perator Workstation (WS). This process has a manual reset, which re-enables alarm processing after all automatic fire and smoke alarms have been cleared. The manual reset sends a release priority command (at Priority 2) to all pressurization and exhaust outputs, the stairwell pressurization fans, and the local sonalert (model number PD ). The manual reset then commands the reset object to ff at Priority 3. Note: This application note presents only an example of a smoke control strategy. Realize that since every building is unique, the details of applying the strategy will vary. This application note, then, is offered to assist you in developing an application that will be appropriate for your project. GPL Applications Multi-Story Building Floor Above/Floor Below Pressurization and xhaust Logic 3

4 4 GPL Applications Multi-Story Building Floor Above/Floor Below Pressurization and xhaust Logic

5 Design Considerations Keep the following design considerations in mind when designing a floor above and floor below pressurization and exhaust logic smoke control system. n addition, please refer to the Smoke Control Technical Bulletin (LT ) in this manual. You can find important instructions and guidelines for using GPL compounds in How to Use the Metasys Smoke Control Library (LT ) located in the Smoke Control section of this manual. This application can be expanded for a building with more than five stories. For further details, please contact ngineering Services in Milwaukee. For information on the definition and the initial configuration of the objects and the function blocks, use GPL to examine this compound. You must define system and object names for all objects. You must define the hardware location for each object. The Fire Alarm Zone object does not have engineering units. The Alarm attribute of the Zone object indicates when a zone is in alarm. An alarm is indicated by a True or Logical 1, and a non-alarm condition is given by a False or Logical 0. ther attributes of the Zone object, such as Trouble and Disable, indicate other ff-normal conditions, but they should not be used to initiate an automatic smoke control sequence. You must assign the Remote Connection block for the Binary Data (BD) object. This is located in the Lockout of Subsequent Alarms logic group compound. To do this, first add a BD object to the work area. (f there is no BD object in the work area, no text will appear in the Remote Connection Block.) Then, select the Connection icon, place the cursor on the Remote Connection block, and double-click on the Remote Connection Block. Select the name of the BD object. A Binary nput (B) object can be used to monitor a dry contact of a fire alarm system instead of a Zone object. The B s Alarm or Value attribute may be connected to each respective floor alarm input. GPL Applications Multi-Story Building Floor Above/Floor Below Pressurization and xhaust Logic 5

6 A B object may be used in place of the BD object as the manual reset object. Use a B when connecting manual reset to a keyswitch or toggle switch on a firefighter s override panel. f you use a B object, you must delete the following blocks from the Lockout of Subsequent Alarms logic: - PULS (Puls) block - block (CMD Set BD) - AND block, connected to CMD Set BD block - Remote Connection block (BD bj Reset) f manual reset is not required, delete the following GPL blocks from the Lockout of Subsequent Alarms logic: - PULS (Puls) block - CMD (Set BD ) block - Remote Connection block for the BD object - AND blocks - LATCH block - CMD (Release Priority) block - RL_ALL Connection blocks - NT block Then, connect the R block directly to the ne Shot Pulse block. Modify the process so that when all alarms clear, the outputs are released at command Priority 2. Then, other features and processes may command the Binary utputs (Bs) at lower priorities for HVAC control applications. This application s process has a priority of 1. A process priority of 1 is the highest, whereas a process priority of 4 is the lowest. The process priority is located in the GPL process compound s template. This application s process has a manual reset, which re-enables alarm processing after all alarms have been cleared. To reset, command the manual reset input to n, at command Priority 3 (an Adjust command). The process period is 00:00:00, because the floor alarm inputs and the manual reset input are designed to be the only process triggers. f the floor alarm inputs and/or the manual reset input are not triggerable, modify the process period so the process triggers periodically. The process period is located in the process compound s template. A typical process period would be from 5-10 seconds. Be aware that the shorter the process period, the busier the NCM will be. 6 GPL Applications Multi-Story Building Floor Above/Floor Below Pressurization and xhaust Logic

7 ! WARNNG: Setting the process period to one second will tie up the NCM. The NCM may reboot repeatedly, or it may be unable to run other processes. This application uses only one Release Priority command at Priority 2. The command connection is fanned out to the five exhaust and pressurization outputs, as well as to the two dedicated stairwell pressurization fan outputs. An alarm will occur if the command does not equal the condition for any pressurization or exhaust output. ach B object for pressurization and exhaust outputs must be configured to have its own feedback (proof sensor) input. The B s Alarm attribute indicates when command does not equal condition. The Alarm attribute must be used in other applications, such as initiating the Local Sonalert application. ach B object has an alarm number. n the GPL HVAC Library, the controlled devices Bs are set to Alarm Number 1. Use the Report Router/Alarm Management feature to create alarm messages, and link the alarm messages to alarm numbers. The alarm message may read: Alarm Number 1 - Feedback does not match the command sent. Do not override the BD object used for the manual reset, because you will not be able to release the override. Any override to this point would occur at Priority 1, and there is no way to send a Release command for Priority 1. This automatic smoke control application does not provide a manual override. See the Multi-Story Building Floor Above/Floor Below Pressurization and xhaust Logic ndependent Manual verride Application Note (LT ) and the Fire Fighter s Smoke Control Station (FS) Application Note (LT ) for the details about override logic. This application, as it exists in the GPL Smoke Control Library, complies with the UL 864 UUKL Smoke Control Listing. However, you are responsible for ensuring that the application complies with state and local regulations, and is approved by the local Authority Having Jurisdiction (AHJ). GPL Applications Multi-Story Building Floor Above/Floor Below Pressurization and xhaust Logic 7

8 Response time for individual smoke control components to achieve their desired state of operational mode, exclusive of control system response, should not exceed the following time periods: 60 seconds for fan operation at the desired state plus 90 seconds to annunciate; 75 seconds for completion of damper travel plus 90 seconds to annunciate. n the case of fan start after damper close, these times are additive. f the damper must be closed before the fan starts, the total response time could be up to 135 seconds for operation, 75 seconds for damper to close plus 60 seconds for fan to start. Time to annunciate would be added to this time. (Control system response is the time from automatic detection of a smoke condition to the issuing of an appropriate command to the equipment.) To maintain UL 864 UUKL Smoke Control Listing, you must connect a printer model number PRN-3 or PRN-4 to the Fire perator Workstation (Fire WS) or directly to the Fire Network Control Module (NCM). For printer installation, refer to the manual included with the printer. Also, configure the Report Router/Alarm Management feature to route your alarm messages to the printer. For specific wiring requirements, refer to Metasys Smoke Control Wiring Technical Bulletin (LT ). 8 GPL Applications Multi-Story Building Floor Above/Floor Below Pressurization and xhaust Logic

9 Application Details Main Function Location This application provides an example of the Metasys programming required to pressurize the floor above and floor below a smoke alarm, exhaust the floor of the smoke alarm, and activate stairwell pressurization with a manual reset. The Multi-Story Building Floor Above/Floor Below Pressurization and xhaust Logic application is located under the Fire/Security/LC Conference of the ngineering Services Bulletin Board System (BBS). nce logged on the BBS, you can download the file to your computer. The application is also located on the Advisor. Follow the path ffices>systemservicesmilwaukee>ngineeringservices>fire&security. / Requirements Table 1: / Requirements nput Requirements Name of Type of Block Data ngineer Units Req? Range Default Value Description RST Binary n/ff Yes - ff Manual Alarm Reset AL_FL5 Binary - Yes - - Alarm Floor 5 AL_FL4 Binary - Yes - - Alarm Floor 4 AL_FL3 Binary - Yes - - Alarm Floor 3 AL_FL2 Binary - Yes - - Alarm Floor 2 AL_FL1 Binary - Yes - - Alarm Floor 1 Name of Connection Type of Data ngineer Units Req? Range Description RL_ALL n/ff Yes - Release Priority For All Binary utputs _PRFN1 _PRFN2 PRSS_FL5 XH_FL5 PRSS_FL4 Continued on next page... n/ff Yes - Stairwell Pressurization Fan 1 n/ff Yes - Stairwell Pressurization Fan 2 n/ff Yes - Pressurize Floor 5 n/ff Yes - xhaust Floor 5 n/ff Yes - Pressurize Floor 4 GPL Applications Multi-Story Building Floor Above/Floor Below Pressurization and xhaust Logic 9

10 Name of Connection (Cont.) XH_FL4 PRSS_FL3 XH_FL3 PRSS_FL2 XH_FL2 PRSS_FL1 XH_FL1 Type of Data ngineer Units Req? Range Description n/ff Yes - xhaust Floor 4 n/ff Yes - Pressurize Floor 3 n/ff Yes - xhaust Floor 3 n/ff Yes - Pressurize Floor 2 n/ff Yes - xhaust Floor 2 n/ff Yes - Pressurize Floor 1 n/ff Yes - xhaust Floor 1 Process GPL Screens This is a process compound. n the screen, click once on the compound block for process information. The figures in this section show each GPL screen for Multi-Story Building Floor Above/Floor Below Pressurization and xhaust Logic applications. FV RY BULDNG FLR ABV AND FLR BLW PRSSURZATN AND XHAU LGC RST AL_FL5 AL_FL4 AL_FL3 AL_FL2 AL_FL1 LCK_ALMS LCK_ALMS C ARWLL PRS_LGC ALL_FLRS LGC C PRSS_FL5 PRSS_FL4 PFSS_FL3 PRSS_FL2 PRSS_FL1 RP QT RL_ALL _PRFN2 _PRFN1 XH_FL5 XH_FL4 XH_FL3 XH_FL2 XH_FL1 5story-1 Figure 1: Five Story Building Floor Above, Floor Below 10 GPL Applications Multi-Story Building Floor Above/Floor Below Pressurization and xhaust Logic

11 LCKUT F SUBSQUNT ALARMS LGC, RLAS ALL LGC, AND RST LGC RST AL_FL5 AL_FL4 AL_FL3 AL_FL R 1 2 PULS CMD N_SHT ST BD 2 NT 1 AND AND 2 1 CMD RL PR R R LTCH F PULS N_SHT RP BD BJ RST RL_ALL NA_AL_P AL_FL1 LCK_ALMS 5story-2 Figure 2: Lockout of Subsequent Alarms Logic, Release All Logic, and Reset Logic NA_AL_F CN FALS AL_FL5 AL_FL4 AL_FL3 AL_FL2 AL_FL1 N FALS LGC FLR ABV AND BLW PRSSUR- ZATN AND XHAU LGC FLR_LG FLR_5 FLR_LG FLR_4 FLR_LG FLR_3 FLR_LG FLR_2 FLR_LG FLR_1 PRSS_FL5 PRSS_FL4 PFSS_FL3 PRSS_FL2 PRSS_FL1 XH_FL5 XH_FL4 XH_FL3 XH_FL2 XH_FL1 5story-3 Figure 3: Floor Above and Below Pressurization and xhaust Logic GPL Applications Multi-Story Building Floor Above/Floor Below Pressurization and xhaust Logic 11

12 FLR ABV FLR BLW PRSSURZATN AND XHAU LGC - FLR 1 NA_AL_P AL_ABV 1 2 R 1 AND 2 MD ART P PRSSUR ALARM AL_BLW NT MD ART P XHAU LGC FLR_1 5story-4 Figure 4: Floor Above, Floor Below Pressurization and xhaust Logic - Floor 1 FLR ABV FLR BLW PRSSURZATN AND XHAU LGC - FLR 2 NA_AL_P AL_ABV 1 2 R 1 AND 2 MD ART P PRSSUR ALARM AL_BLW NT MD ART P XHAU LGC FLR_2 5story-5 Figure 5: Floor Above, Floor Below Pressurization and xhaust Logic - Floor 2 12 GPL Applications Multi-Story Building Floor Above/Floor Below Pressurization and xhaust Logic

13 FLR ABV FLR BLW PRSSURZATN AND XHAU LGC - FLR 3 NA_AL_P AL_ABV 1 2 R 1 AND 2 MD ART P PRSSUR ALARM AL_BLW NT MD ART P XHAU LGC FLR_3 5story-6 Figure 6: Floor Above, Floor Below Pressurization and xhaust Logic - Floor 3 FLR ABV FLR BLW PRSSURZATN AND XHAU LGC - FLR 4 NA_AL_P AL_ABV 1 2 R 1 AND 2 MD ART P PRSSUR ALARM AL_BLW NT MD ART P XHAU LGC FLR_4 5story-7 Figure 7: Floor Above, Floor Below Pressurization and xhaust Logic - Floor 4 GPL Applications Multi-Story Building Floor Above/Floor Below Pressurization and xhaust Logic 13

14 NA_AL_P FLR ABV FLR BLW PRSSURZATN AND XHAU LGC - FLR 5 AL_ABV 1 2 R 1 AND 2 MD ART P PRSSUR ALARM AL_BLW NT MD ART P XHAU LGC FLR_5 5story-8 Figure 8: Floor Above, Floor Below Pressurization and xhaust Logic - Floor 5 LGC T ART TH DDCATD ARWLL PRSSURZATN FANS NC N ZN HAS GN NT ALARM CMD ART C _PRFN2 C NA_AL_P CMD ART C _PRFN1 C PRS_LGC 5story-9 Figure 9: Logic to Start the Dedicated Stairwell Pressurization Fans nce ne Zone Has Gone nto Alarm 14 GPL Applications Multi-Story Building Floor Above/Floor Below Pressurization and xhaust Logic

15 Notes GPL Applications Multi-Story Building Floor Above/Floor Below Pressurization and xhaust Logic 15

16 Notes Controls Group FAN Michigan Street Metasys Network Technical Manual P.. Box 423 Printed in U.S.A. Milwaukee, W GPL Applications Multi-Story Building Floor Above/Floor Below Pressurization and xhaust Logic