APOGEE Laboratory Room Controller Owner’s Manual 125-3125 Rev.
Rev. 2, June, 2000 NOTICE The information contained within this document is subject to change without notice and should not be construed as a commitment by Siemens Building Technologies, Inc. Siemens Building Technologies, Inc. assumes no responsibility for any errors that may appear in this document. All software described in this document is furnished under a license and may be used or copied only in accordance with the terms of such license.
Table of Contents How to Use This Manual ................................................................................................. III Manual Organization..................................................................................................... III Manual Conventions ..................................................................................................... IV Manual Symbols .........................................................................................................
Laboratory Room Controller Owner's Manual Hours of unoccupied operation ................................................................................ 3-7 Cost of conditioning supply air ................................................................................. 3-7 Cost of moving supply and exhaust flows................................................................ 3-7 Setting the Unoccupied Flow Rates............................................................................
How To Use This Manual This manual is written for the owner and user of the Siemens Building Technologies, Inc. Fume Hood Controller. Direct communication with the Fume Hood Controller is accomplished by using the portable operator's terminal and CIS. For more information about these products, contact your local Siemens Building Technologies, Inc. representative.
Laboratory Room Controller Owner’s Manual Manual Conventions The following table lists conventions to help you use this manual in a quick and efficient manner. Convention Example Numbered Lists (1,2,3…) indicate a procedure with sequential steps. 1. Turn OFF power to the field panel. Turn ON power to the field panel. 2. Contact your local Siemens Building Technologies representative. Actions that you should perform are specified in boldface font. Type F for Field panels.
How to Use This Manual Where To Send Comments Your feedback is important to us. If you have comments about this manual, please submit them to technical.editor@sbt.siemens.com.
Laboratory Room Controller Owner’s Manual VI Siemens Building Technologies. Inc.
1 Introduction The Controller The Siemens Building Technologies, Inc. Laboratory Room Controller (LRC) applies Direct Digital Control (DDC) technology to laboratory HVAC systems.
Laboratory Room Controller Owner's Manual LRC Configurations The LRC is equipped to handle a variety of combinations of ventilation devices in one room. Each LRC in your system is initially set up to cover the equipment installed at that time. Laboratory ventilation systems are known to change from time to time, usually as exhaust devices are added, or removed. This section explains various ways your LRC may be adapted to accommodate changes in the ventilation equipment.
Introduction Figure 1-1. One Supply, One Hood, One General Exhaust. Siemens Building Technologies, Inc.
Laboratory Room Controller Owner's Manual Figure 1-2. Dual Duct Supply, One Hood, One General Exhaust. Occasionally, a change in the laboratory will lead to a change in the face velocity of the fume hood. Changes to the face velocity of the fume hood may not require changes at the LRC; however, the new range of fume hood airflows may lead to changes in the airflow limits of the supply and general exhaust terminals.
Introduction One Supply, Two or More Hoods, One General Exhaust - This configuration operates the same way as the One Supply, One Hood, One General Exhaust. The supply flow and general exhaust are controlled as described in Chapter 3, Controlling Laboratory AirFlow , to provide the required quantity of supply and exhaust air to meet both the needed ventilation and temperature for the laboratory space. The difference is that instead of just one fume hood, there can be a maximum of four.
Laboratory Room Controller Owner's Manual Figure 1-3. One Supply, Two or More Hoods, One General Exhaust. Adding other exhaust devices - Other types of exhaust devices may be handled in a variety of ways (refer to Figure 1-4), including the following: 1-6 • Regulate the devices with a controller, such as the FHC, that delivers flow data as a 1 - 10 volt signal.
Introduction Figure 1-4. Additional Exhaust Devices. Configurations without General Exhaust One Supply, One Hood - This is the most basic arrangement. The supply flow must track the operation of the fume hood at all times. There is no opportunity to modulate it to cool the room or achieve minimum ventilation because there is no general exhaust. This HVAC arrangement only works if the minimum fume hood exhaust leads to enough supply flow to cover all the other requirements.
Laboratory Room Controller Owner's Manual Figure 1-5. One Supply, One Hood. One Supply, Two Hoods - This configuration works the same way as the basic arrangement. To add a hood, it is necessary to add a Fume Hood Flow Module (FFM). Also, it is necessary to adjust the scaling factor that relates to the fume hood flow signal.
Introduction Figure 1-6. Two Supplies, Two or More Hoods. Siemens Building Technologies, Inc.
Laboratory Room Controller Owner's Manual 1-10 Siemens Building Technologies, Inc.
2 Hardware Laboratory Room Controller The Laboratory Room Controller (LRC), Figure 2-1, controls airflow and temperature for laboratories with VAV or constant volume two position fume hoods.
Laboratory Room Controller Owner's Manual Environmental specifications Enclosure Physical dimensions................................................ Height 13-1/8 inches (333 mm) Width 14-5/8 inches (371 mm) Depth 4 inches (102 mm) Pneumatic Actuation Weight 19.3 lbs. (Weight includes: Enclosure, LCM, AO–P Modules, Autozero Modules, AO–P Transducer) Electronic Actuation Weight 16.3 lbs. (Weight includes: Enclosure, LCM, Autozero Modules) Power requirements ..................................................
Hardware Enclosure Pneumatic Actuation The LRC enclosure houses the LCM, two AO–P Modules, one AO–P Transducer, one terminal block, and two Autozero Modules. Figure 2-1 shows the enclosure with cover, and Figure 2-2 shows the LRC components in the enclosure. Pneumatic connections are made on the side of the enclosure via the eight ports (Figure 2-3) for flow pickups and pneumatic actuators.
Laboratory Room Controller Owner's Manual AUTOZERO MODULE LABORATORY CONTROLLER MODULE AUTOZERO MODULE + - s TERMINAL BLOCK LAB0107R2 S R A AO-P MODULES AO-P TRANSDUCER Figure 2-2. LRC Components and Enclosure for Pneumatic Actuation. 20-30 psi 138-207 Kpa ) Supply 1 air flow Lo Temperature control Supply 1 air flow Hi Exh or Supply 2 damper Exh or Supply 2 air flow Lo Supply 1 damper Exh or Supply 2 air flow Hi LAB00153R1 Main Air ( Figure 2-3.
Hardware Electronic Actuation The LRC enclosure houses the LCM, one terminal block, and two Autozero Modules. Figure 2-4 shows the LRC components in the enclosure. Pneumatic connections (for flow pickups) are made on the side of the enclosure via four ports (Figure 2-5). In addition to the wiring diagram provided on the inside of the enclosure cover, Figure 2-9 shows the connections and equivalent schematic diagram including the connections to the AO-E modules.
Laboratory Room Controller Owner's Manual Laboratory Controller Module 1 2 3 4 5 6 7 8 LED 11 LED 9 9 LED 10 LED 8 LED 7 LED 6 LED 5 C H EGND LED 4 LAB0143R1 The Laboratory Controller Module (LCM) is an electronic DDC device that controls independently, or as a part of a system with a field panel (refer to Figure 2-7). 10 11 12 13 14 15 16 17 18 19 20 BST RX TX 21 22 23 24 LED 1 LED 2 LED 3 Figure 2-7. Laboratory Controller Module.
Hardware The TRIACs on the controller board switch the hot leg of the 24 Vac supply voltage to the “NO” terminal when energized. The common leg of the 24 Vac supply voltage is provided directly to the “C” terminal. Figure 2-8 and Figure 2-9 show actual connections and an equivalent schematic diagram. Figure 2-8. Connection and Equivalent Schematic Diagram for Pneumatic Actuation. Siemens Building Technologies, Inc.
Laboratory Room Controller Owner's Manual Figure 2-9. Connection and Equivalent Schematic Diagram for Electronic Actuation. NOTE: 2-8 If the LRC transformer is used to provide power for the AO-E module, it must be sized to account for the increased load requirements (25 VA per AO-E module). Siemens Building Technologies, Inc.
Hardware 0–10 Vdc analog output—The LRC has one 0–10 Vdc AO, and it is labeled “AO1” on the controller’s plastic cover. The AO corresponds to the screw terminals numbered 23 and 24. The AO point consists of two screw terminals: signal and common. The signal and common terminals supply the output to the device connected to the controller. The maximum output of AO1 is factory set to 10 Vdc. The maximum drive capability of AO1 is 10 mA DC. This is equal to a load of 500 Ω at 5 Vdc, and 1000 Ω at 10 Vdc.
Laboratory Room Controller Owner's Manual Fume Hood Flow Module The Fume Hood Flow Module (FFM, P/N 546-00351) collects information about flow rates from up to four fume hood flows (refer to Figure 2-10). The LRC responds to one fume hood flow signal. If the LRC is connected to one fume hood, a Fume Hood Controller provides airflow information. If there are two to four fume hoods, the FFM combines flow signals from the FHCs and supplies one flow signal to the LRC.
Hardware Analog Output–Pneumatic Transducer The Analog Output–Pneumatic (AO-P) Transducer is a non-bleed device which receives an electronic signal and converts it into an pneumatic signal. The transducer uses the pneumatic output to accurately position valves and damper actuators. Refer to Figure 2-11. The transducer has a Hand-Auto Override switch and adjustable dial to allow manual control of pressure output. Power consumption..............................................................................
Laboratory Room Controller Owner's Manual Laboratory Analog Output-Pneumatic Module The Laboratory Analog Output-Pneumatic (AO-P) Module (P/N 546-00090) is the electropneumatic interface between the Laboratory Room Controller and the pneumatic damper actuator. The AO-P Module varies the pressure to the pneumatic actuator to move the damper to its proper position. Refer to Figure 2-12. The AO-P Module has two solenoid valves.
Hardware Autozero Module The Autozero Module allows the air velocity transducer to self-calibrate without closing the damper or changing the volume of air being delivered to the room. Refer to Figure 2-13. Power consumption @24 Vac......................................................................................... 1.5 VA Storage temperature ................................................................ -40°F to 167°F (-40°C to 75°C) Operating temperature .............................................
Laboratory Room Controller Owner's Manual Laboratory Analog Output-Electronic Module The Analog Output-Electronic (AO-E) Module is an electronic interface between the LRC and the electronic actuator. The AO-E module varies the signal to the electronic actuator based on the two digital outputs from the LRC. The AO-E module will also accept the following control signals: FHC output, standard floating control, 0-10 Vdc, and 4-20 mA (Figure 2-14).
3 Controlling Laboratory Airflow Laboratory Ventilation and Pressurization Because a laboratory ventilation system is a safety device, it must be designed and operated to dilute and remove air contaminants in the laboratory and prevent those contaminants from moving through the building. In addition, the ventilation system plays a role in regulating the temperature of the laboratory room.
Laboratory Room Controller Owner's Manual The LRC selects flow set points that drive this calculated flow difference to the selected value, VOL DIF STPT. Ventilating the room means keeping the value of SUP AIR VOL above the specified minimum value, SUP MIN. To control room temperature, the LRC drives SUP AIR VOL to a value calculated in the temperature control algorithm, TEMP CTL VOL. The supply flow only follows this value when it is consistent with the other goals.
Controlling Laboratory Air Flow Table 3-1 Descriptor Number Function VOL DIFFRNC 83 Difference between measured airflow into the room, and measured airflow out. VOL DIFFRNC = Point 53 - Point 69 VOL DIF STPT 88 Desired value for the flow difference. This value can be selected and adjusted to achieve room pressurization. HOOD VOL 51 Airflow signal from the fume hood(s). SUP AIR VOL 35 Measured value of the airflow delivered to the room by the supply terminal.
Laboratory Room Controller Owner's Manual Setting the Flow Difference for Pressurization The LRC adjusts the supply and general exhaust flows in a way that causes the measured difference (VOL DIFFRNC, Point 83) to match the set point (VOL DIF STPT, Point 88). These points can be accessed through the Overview report. This report is available through CIS, the field panel and Insight.
Controlling Laboratory Air Flow Inaccurate flow reading It is possible that one of the flow values used by the LRC is not accurate. Examine the values displayed by the Pressurization report. This report is available through CIS, the field panel and Insight. If any of the values appear to be incorrect, take steps to calibrate or correct them. A Siemens Building Technologies, Inc. representative can help you with this process.
Laboratory Room Controller Owner's Manual Table 3-2 Descriptor Number Function OCC SUP MAX 31 Maximum supply in occupied mode. OCC SUP MIN 32 Maximum supply in occupied mode. OCC GEX MAX 33 Maximum general exhaust in occupied mode. OCC GEX MIN 34 Minimum general exhaust in occupied mode. OC V ALM LVL 90 Ventilation alarm level in occupied mode. UOC SUP MAX 71 Maximum supply in unoccupied mode. UOC SUP MIN 72 Minimum supply in unoccupied mode.
Controlling Laboratory Air Flow WARN ARNING: NG: Do not reduce fume hood flow if ventilation is being set back. Finally, before implementing ventilation setback, a building manager should estimate the energy savings available. Some key factors are described in the following sections.
Laboratory Room Controller Owner's Manual Setting the Unoccupied Flow Rates The LRC supports ventilation setback by providing two sets of airflow minimums and maximums, one for occupied mode and another for unoccupied mode.
Controlling Laboratory Air Flow Table 3-3 Descriptor Number Function OCC SUP MAX 31 Maximum supply in occupied mode. OCC SUP MIN 32 Minimum supply in occupied mode. OCC GEX MAX 33 Maximum general exhaust in occupied mode. OCC GEX MIN 34 Minimum general exhaust in occupied mode. UOC SUP MAX 71 Maximum supply in unoccupied mode. UOC SUP MIN 72 Minimum supply in unoccupied mode. UOC GEX MAX 67 Maximum general exhaust in unoccupied mode.
Laboratory Room Controller Owner's Manual LRC Priority When combining data from several inputs to determine occupancy, the LRC always applies these rules: • The controller works in the occupied mode whenever any one of the inputs indicates occupancy. • The controller works in the unoccupied mode only when all of the inputs indicate vacancy.
Controlling Laboratory Air Flow Example 1: Occupancy Schedule Combined with a Manual Switch The occupancy schedule, combined with a manual switch approach, makes sense in cases where the laboratory is primarily occupied according to a regular schedule, but must also be available to workers at unscheduled times. Here, the schedule is the main source of occupancy information. An operator sets up the schedule, using the Building Automation System (BAS), so that it covers the normal working hours.
Laboratory Room Controller Owner's Manual Working with Occupancy and Ventilation Setback The value of the point OCC.UOC DO5 (Point 45) is always the current status of the room. This point may be used to drive a lamp, or other device that tells those using the laboratory that the room is running in the unoccupied mode. The occupancy status is also contained in OCC DISPLAY (Point 21). A digital room thermostat can read this point and display its value. It is not possible to override either of these points.
Controlling Laboratory Air Flow Scheduling Occupancy The LRC fits into the APOGEE as an LCTLR point. This is the same interface used for other room controllers and Fume Hood Controllers (FHCs). Scheduling features in the field panel and Insight allow you to set up regular "DAY" and "NIGHT" commands to any LCTLR device. Inside the LRC, those commands display as NET OCC CMD (Point 29). The LRC uses NET OCC CMD, along with any other active occupancy information to set the state of OCC.UOC DO5.
Laboratory Room Controller Owner's Manual Using Airflow Alarms The LRC’s primary purpose is to maintain room pressurization and ventilation in laboratories. It is also designed to report abnormal conditions through your BAS to the people who need to respond. A Chemical Hygiene Plan and emergency response procedures need to address what to do when a LRC alarm is received. The first thing to decide when using alarms is who needs the information.
Controlling Laboratory Air Flow Types of Alarms Following is a discussion of the programmable alarms built into the LRC. Volume Difference Alarm The volume difference alarm (VOL DIF ALM) is designed to inform laboratory, safety, or maintenance personnel whenever the intended room pressurization is compromised. The desired amount of infiltration airflow (VOL DIF STPT) was selected with safety in mind. To use the alarm, select a lower infiltration value to set as the alarm limit (VOL DIF LVL).
Laboratory Room Controller Owner's Manual For laboratories that employ an unoccupied mode, the alarm limit can be set separately for occupied and unoccupied periods. Enter the selected alarm levels into the points OC V ALM LVL and UC V ALM LVL. If there is no difference between occupied and unoccupied periods, set the two points to the same value.
Controlling Laboratory Air Flow Problem 2: Ventilation Alarm If there is a ventilation alarm, complete the following steps: 1. Verify that there is a problem by checking to see if the supply flow is low. If it is not, then the alarm is probably just a nuisance alarm. Adjust the limit (VENT ALM LVL) or delay the alarm (VENT ALM DEL). Be sure, however, to coordinate these actions with the safety officer. NOTE: The alarm setup points are in the Alarm report.
Laboratory Room Controller Owner's Manual Problem 4: Unstable Airflow If people in the room notice that one of the airflows in or out of the room continually cycles up and down, complete the following steps: 1. Verify that the airflow really is unstable by reading flow values (SUP AIR VOL, etc.) from the system. Look for significant fluctuation in the values. An Insight trend graph and CIS work best for this task. 2. Check to see if the set point is constant by reading the setpoint for that flow.
4 Controlling Laboratory Temperature LRC Temperature Control System The temperature control system in the LRC has two main components, the room temperature feedback calculations and the HVAC equipment sequencer. They interact as shown in Figure 4-1. The PID feedback calculations set the value of an intermediate point called TEMP LOOPOUT. This value reflects the thermal load currently acting on the room. A value of 100% corresponds to the maximum need for cooling.
Laboratory Room Controller Owner's Manual Temperature control sequence of Applications 2601 and 2611 In the case of Applications 2601 and 2611, the sequencing points tell the controller how to modulate the cooling airflow and reheat valve. They function as shown in the Figure 4-2. When TEMP LOOPOUT is between REHEAT START and REHEAT END, the controller operates in terminal reheat mode, using the hot water valve in the supply terminal to balance the loads.
Controlling Laboratory Temperature In some cases, temperature control performance can be improved by adjusting the values of the sequencing points to better match the thermal sizing of the HVAC components in the room. If there is any other heating or cooling equipment (such as perimeter radiation), the sequencing values may be set to make room for the additional device. The temperature control sequencing points are not included in any of the special purpose reports.
Laboratory Room Controller Owner's Manual Temperature control sequence of Application 2602 and 2612 In Applications 2602 and 2612, the supply airflow must track the fume hood flow; there is no opportunity to change the airflow to meet cooling demand. The sequencing function is typically set up as shown in the Figure 4-3.
Controlling Laboratory Temperature Temperature control sequence of Applications 2603 and 2613 Applications 2603 and 2613 covers rooms with dual-duct supply systems. The HVAC equipment sequencer can be set up to implement the three temperature control modes shown in Figure 4-4. In the cooling mode, the mixing damper is set to full cooling position and the sequencer adjusts the value of the TEMP CTL VOL point as the load changes. This is the mode where TEMP LOOPOUT is between CFLO START and CFLO END.
Laboratory Room Controller Owner's Manual Some dual-duct HVAC designs do not include the heating mode described here. They mix warm air with cold to reduce the cooling effect of the supply flow, but they do not increase the supply flow to add heat to the room. The heating mode may be eliminated in the LRC by setting the sequencing points as follows: HFLO END = 0 HFLO START = 0 CFLO START = 50 CFLO END = 100 The resulting temperature control sequence is illustrated in Figure 4-5.
Controlling Laboratory Temperature In the second scenario, the measured supply flow exceeds TEMP CTL VOL. This means that the fume hoods are so far open that the supply flow needed to balance the room pressure is more than the flow needed for cooling. Typically, this is not a stable condition and the controller moves to the mixing mode. In the mixing mode, TEMP CTL VOL goes to the supply minimum. The controller regulates the room temperature by modulating the mix of cold and hot supply air.
Laboratory Room Controller Owner's Manual Setting the Room Temperature The LRC operates the temperature control equipment available to it to keep the temperature measured by the Room Temperature Sensor at the set point. Some versions of the Room Temperature Sensor include an adjustment so the occupants of the room may select the desired temperature. Other versions do not have that adjustment.
5 Monitoring Laboratory Operation Laboratory Room Graphics An HVAC system operator can efficiently monitor the operation of an LRC room using Insight graphics. To be displayed on a graphic, subpoints must be unbundled by creating a logical point in the field panel with the appropriate address. Refer to your Insight manuals for information on how to do this.
Laboratory Room Controller Owner's Manual Periodic Verification of Safe Laboratory Ventilation When operating in a laboratory environment, it is important to purchase and commission a safe laboratory system. However, that system by itself is not enough. A Chemical Hygiene Plan should be in place that includes maintaining the system and verifying that it operates safely. Your Industrial Hygienist should suggest the interval based upon ANSI Z9.
Monitoring Laboratory Operation Figure 5-2. Ventilation Assessment Sheet. Siemens Building Technologies, Inc.
Laboratory Room Controller Owner's Manual Maintaining Safety Records ANSI Z9.5-1992 requires the designated cognizant person to maintain the permanent records of each laboratory ventilation system. The quantity of air that moves through the room is a basic indicator of safety because it relates directly to the concentrations of air contaminants that develop. Sometimes this indicator is stated in terms of an air change rate. In the LRC, the point TOTL SUPPLY indicates the ventilation rate.
Monitoring Laboratory Operation Figure 5-3. Laboratory Room Performance Report. System 600 maintenance records can also be used to educate laboratory occupants on proper laboratory work practices using actual information. If you do not have on-going safety training, consult your Siemens Building Technologies, Inc. representative for information on the safety training available through Siemens Building Technologies, Inc. Siemens Building Technologies, Inc.
Laboratory Room Controller Owner's Manual 5-6 Siemens Building Technologies, Inc.
6 Point Database Chapter 6 presents a description of the point database for Applications 2600 (Slave Mode) and pneumatic actuator Applications 2601, 2602, and 2603 as well as electronic actuator Applications 2611, 2612, and 2613, including point descriptors, point addresses, and a listing of applications in which each point is found. Address Descriptor Application Description 01 CTLR ADDRESS 02 APPLICATION 2600, 2601, 2602, Identification number of the program running in the controller.
Laboratory Room Controller Owner's Manual Address Descriptor Application Description 2613 {15} HOOD SIG AI3 2601, 2602, 2603, Voltage that tells the LRC how much air the fume hood(s) is/are 2611, 2612, 2613 exhausting. 16 VENT ALM DEL 2601, 2602, 2603, Delay period that prevents “nuisance alarms” on the air change rate. 2611, 2612, 2613 17 VENT ALM ENA 2601, 2602, 2603, When this is set to “yes”, the VENT ALM point can drive the ALARM 2611, 2612, 2613 DO8.
Point Database Address Descriptor Application Description 32 OCC SUP MIN 36 FLOW COEFF 1 36 SUP FLO COEF 36 SUP1 COEF 37 DIF ALM ENA 2601, 2602, 2603, When this is set to “yes”, the VOL DIF ALM point can drive ALARM 2611, 2612, 2613 DO8. 38 DIF ALM LVL 2601, 2602, 2603, VOL DIF ALM is triggered when VOL DIFFRNC goes below this level. 2611, 2612, 2613 39 DIF ALM DEL 2601, 2602, 2603, Alarm delay point to prevent “nuisance alarms” on the flow difference.
Laboratory Room Controller Owner's Manual Address Descriptor Application Description {44} DO4 2600 {44} GEX BLED DO4 2601, 2603 Drives a solenoid valve that moves a damper. Do not use or manually set this point. {44} SUP2 BLD DO4 2602 Drives a solenoid valve that moves a damper. Do not use or manually set this point. {44} GEX RETC DO4 2611, 2613 Drives a LAB AO-E module to retract electronic actuator. Do not use or manually set this point.
Point Database Address Descriptor Application Description 54 GEX FLO COEF 54 SUP2 COEF 55 HOOD OCC VOL 2601, 2602, 2603, When HOOD VOL (Point 51) is above this value, hoods are considered 2611, 2612, 2613 open for purposes of occupancy. (This value does not affect the operation of the hood or the room pressurization system). Setting this value to zero means the hood flow does not affect Point 45.
Laboratory Room Controller Owner's Manual Address Descriptor Application Description 68 UOC GEX MIN 2601, 2603, 2611, Minimum general exhaust in unoccupied mode. 2613 {69} TOTL SUPPLY 2601, 2602, 2603, Point 35 + Point 61. This is the measured value of the airflow delivered 2611, 2612, 2613 to the room by the supply terminal plus the value of any supply airflows not connected to the LRC. 70 SUP P GAIN 70 SUP1 P GAIN 71 UOC SUP MAX 2601, 2603, 2611, Maximum supply in unoccupied mode.
Point Database Address Descriptor Application Description 2603, 2611, 2612, 2613 90 OC V ALM LVL 2601, 2602, 2603, 2611, 2612, 2613 Ventilation alarm level in occupied mode. 91 UC V ALM LVL 2601, 2602, 2603, 2611, 2612, 2613 Ventilation alarm level in unoccupied mode. {92} VENT ALM 2601, 2602, 2603, 2611, 2612, 2613 Alarm point indicates inadequate air change rate.
Laboratory Room Controller Owner's Manual 6-8 Siemens Building Technologies, Inc.
Glossary Overview The glossary contains terms and acronyms that are used in this manual. For definitions of point database descriptors, refer to Chapter 4, Point Database, in this manual. For definitions of commonly used terms as well as acronyms and abbreviations associated with the APOGEE, refer to the Siemens Building Technologies Technical Glossary of Building Controls Terminology and Acronyms (125-2185). This book is available from your local Siemens Building Technologies, Inc. representative.
System 600 APOGEE Laboratory Room Controller Owner's Manual control loop A PID algorithm that is used to control an output based on a set point and an input reading from a sensor. Controller Interface Operator interface software used with the Portable Operator’s Software Terminal for the purpose of communicating with a Terminal Equipment Controller or a field panel. CV Constant Volume. DDC Direct Digital Control. DI Digital Input.
Controlling Laboratory Air Flow FFM Fume Hood Flow Module. Collects information about flow rates or electrical signals that can be converted to flow rates for a maximum of four fume hood flows. ' FHC Fume Hood Controller. FLN Floor Level Network. field panel Device containing a microprocessor for centralized control of system components and equipment controllers.
System 600 APOGEE Laboratory Room Controller Owner's Manual OCC mode Occupied mode. OFF text Text indicating the de-energized state of a digital point (e.g., OFF, CLOSED, NO). ON text Text indicating the energized state of a digital point (e.g., ON, OPEN, YES). override switch Button on room temperature sensor that can be pressed by an occupant to change the status of a room from night mode to day mode for a predetermined time. PID Proportional, Integral, Derivative. RTS Room Temperature Sensor.
Controlling Laboratory Air Flow Terminal Equipment Siemens Building Technologies, Inc. product family of equipment controllers that house the Controller applications software used to control terminal units, such as heat pumps, VAV terminal boxes, fan coil units, unit ventilators, etc. unbundle Term that describes the entering of a point that resides in a controller’s database into the field panel’s database so that it can be monitored at and/or controlled from the field panel. UNOCC mode Unoccupied mode.
System 600 APOGEE Laboratory Room Controller Owner's Manual Glossary-6 Siemens Building Technologies, Inc.
Index A AI.....................................................................2-9 Alarms...........................................................3-14 Ventilation Alarm .......................................3-15 Volume Difference Alarm ..........................3-15 Analog inputs ..................................................2-9 Analog Output–Pneumatic Transducer.........2-11 Analog outputs ................................................2-9 ANSI Z9.5-1992 .......................................
System 600 APOGEE Laboratory Room Controller Owner’s Manual LRC .................................................................2-1 LRC Configurations.........................................1-2 Configurations with General Exhaust ..........1-2 Configurations without General Exhaust .....1-7 M Maintaining Safety Records ............................5-4 Manually Commanding Occupancy ..............3-13 Commanding an LRC to Occupied Mode .3-13 Commanding an LRC to Unoccupied Mode..... .......................
