Chamber Type Silencers
Chamber type silencers provide the best noise control across the entire audible range. The basic design incorporates non-resonant side tube arrangements to permit passage of the exhaust gases from one chamber to another. This creates a reversal of flow and develops a predictable amount of back pressure. Another important feature of chamber type silencers is the availability of side inlet exhaust connections. Units of this type, except for spark arrestor designs, can also be supplied with side outlet exhaust connections. These side connections, while having little effect on the pressure drop, will in many instances greatly facilitate installation of the silencer by eliminating the need for elbows in the exhaust piping.
Residential grade chamber type silencer. Use a model M22 in residential and light industrial areas where background noise is relatively high and constant and the need for higher degrees of silencing is minimal. Expected attenuation is 20 to 25 dBA.
Semi-Critical grade chamber type silencer. Use a model M32 in residential areas where background noise is present but not objectionable. In these areas, installation of an M32 on an engine exhaust is intended to bring the noise level down to match the ambient noise levels. Expecteded attenuation is 25 to 32 dBA.
Critical grade chamber type silencer. Use a model M42 for quiet residential areas where background noise is relatively low and “critical” grade silencing is required. Expected attenuation is 30 to 38 dBA.
Hospital grade chamber type silencer. Use a model M52 for “hospital grade” noise reduction in heavy industrial areas where machinery operates continously around quiet locality. Such as hospitals, shools and quiet residential districts. Expected attenuation is 35 to 42 dBA.
Hospital plus grade chamber type silencer. Use a model M62 for the highest degree of silencing in areas requiring “hospital plus” noise reductions. The M62 is presently the top-of-the-line silencer without resorting to multiple silencers in series or custom designed silencers. Expected attenuation is 35 to 50 dBA.
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The BTU07 is a full featured and low cost BTU meter with Modbus over RS485 capability developed specifically for sub metering applications. The DFSR737A is unique among BTU meters by having the BTU calculator separate from the flow sensor, which allows the flow meter to be installed where it is needed, but with the BTU calculator and display installed anywhere it is convenient for tenant reading. The BTU07 comes as a set together with the flow and temperature sensors.
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Our Multi-Circuit Monitor power monitoring system provides a convenient solution for monitoring multiple electrical services which share a common voltage source. It also reports diagnostic information such as power factor, volts, amps, and kVAR, over an RS-485 network using the industry standard Modbus® communication protocol. To protect valuable equipment, it has built-in alarm registers for over- and under-voltage, current, and kVA.
The monitoring capabilities and open systems compatibility of the H8238 make it the ideal power monitoring solution for OEM, tenant submetering applications, and load management of power distribution units commonly used in internet data centers. The meter is a UL508 open type device without enclosure.
Real-time power monitoring
Monitor power parameters from up to 8 services with one device
Save labor and installation costs by monitoring up to eight 3Ø, (or six 3Ø plus neutral current) loads from a single service with common voltage connections
Eliminates the need to install multiple transducers – fewer components to install…saves time and space
Easy connection to up to 24 industry standard five-amp CTs
Modbus communications for efficient data collection
Improve monitoring system efficiencies by accessing 26 data points per circuit, plus alarms, with one RS-485 drop
Daisy chain up to 30 units on a single drop…easy wiring
Field-selectable address, baud rate, parity and wiring connections…simple configuration
Powerful Microprocessor-Based Lighting Control Panel
Automated Logic’s Lighting Control LC08 panel brings the power and simplicity of WebCTRL® to your building’s lighting systems. The LC08 utilizes an advanced microprocessor to provide superior lighting control, while delivering the rapid response required by lighting applications
Automated Logic’s ZN220 provides unprecedented power and flexibility through fully programmable networked controllers. The ZN220 controllers connect to the Building Automation System (BAS) network using BACnet over ARCNET 156 kbps or MS/TP. The ZN220 supports a line of RS room sensors using its Rnet port.
Rugged Flexibility for Single Equipment Applications
Automated Logic’s powerful SE line provides a rugged solution for single equipment applications. Designed to operate in a wide range of environmental conditions, SE controllers can be used in rooftop units, mechanical rooms, equipment closets, or almost any other weather tight location. Fully programmable using the EIKON® graphic programming language, SE controllers use native BACnet communications over either a high-speed ARCNET 156 kbps network or a medium speed MS/TP network to provide maximum flexibility and interoperability.
Powerful Multi-Equipment Controller and Router
ME-LGR Powerful Multi-Equipment Controller and Router
Combining the features of our powerful multiequipment controller with a high-speed BACnet® router, the ME-LGR can do it all. Need 100 Mbps communications to a critical control site? Need to control multiple pieces of equipment at that site? Need to integrate third-party equipment on a proprietary network with your BACnet system? No problem. The ME-LGR can do it all, and it can also serve as a router to controllers on an ARCNET 156 kbps or MS/TP network.
Balancing Efficiency with Comfort
WebCTRL Environmental Index – Balancing Efficiency With Comfort
As energy prices continue to soar, facility managers are under increasing pressure to find ways to cut building operating costs. A simple solution would be to decrease energy consumption, but smart managers know that sacrificing comfort for energy savings could lead to even bigger financial problems. After all, studies have shown productivity decreases as comfort levels decline, leading to lost revenues in companies and difficult learning environments in school systems. What’s needed is a way to measure comfort, so managers would know exactly how far to cut energy usage without negatively impacting comfort.
Automated Logic’s Environmental Index provides the solution. Since the key component of comfort is temperature, ALC’s index starts with assigning point values based on the difference between zone temperature and heating and cooling set points. Other factors, such as humidity and CO2 levels, can also be computed into the numeric system to reflect one “comfort” score for all factors. This is a powerful tool for facility managers who need to identify buildings with performance problems or ensure buildings don’t become less efficient as changes are made.
WebCTRL Powerful and Intuitive Front End For Building Control
Automated Logic has long been known for its intuitive, powerful front-end building control software. In fact, ALC pioneered graphical programming in the industry. With our graphical user interface, users have such features as hierarchical scheduling, thermographic color floor plans, trending, alarm management, and reporting. And with WebCTRL®, our web-based building automation system, all of these features are available through a standard web browser – without any special software or plug-ins.
Introduction To Building Management Systems
A BMS is most common in a large building. Its core function is to manage the environment within the building and may control temperature, carbon dioxide levels and humidity within a building. As a core function in most BMS systems, it controls heating and cooling, manages the systems that distribute this air throughout the building (for example by operating fans or opening/closing dampers), and then locally controls the mixture of heating and cooling to achieve the desired room temperature. A secondary function sometimes is to monitor the level of human-generated CO2, mixing in outside air with waste air to increase the amount of oxygen while also minimising heat/cooling losses.
Systems linked to a BMS typically represent 40% of a building\\\’s energy usage; if lighting is included, this number approaches 70%. BMS systems are a critical component to managing energy demand. Improperly configured BMS systems are believed to account for 20% of building energy usage, or approximately 8% of total energy usage in the United States.
As well as controlling the building\\\’s internal environment, BMS systems are sometimes linked to access control (turnstiles and access doors controlling who is allowed access and egress to the building) or other security systems such as closed-circuit television (CCTV) and motion detectors. Fire alarm systems and elevators are also sometimes linked to a BMS, for example, if a fire is detected then the system could shut off dampers in the ventilation system to stop smoke spreading and send all the elevators to the ground floor and park them to prevent people from using them in the event of a fire.
Functions of Building Management Systems
The three basic functions of a central, computer-controlled BMS are:
the building’s facilities, mechanical, and electrical equipment for comfort, safety, and efficiency.
A BMS normally comprises of:
• Power systems
• Illumination system
• Electric power control system
• Heating,Ventilation and Air-conditioning HVAC System
• Security and observation system
• Magnetic card and access system
• Fire alarm system
• Lifts, elevators etc.
• Plumbing system
• Burglar alarms, CCTV
• Trace Heating
• Other engineering systems
• Home Automation System
• Fire alarm and Safety system
Benefits of BMS
• Good control of internal comfort conditions
• Possibility of individual room control
• Increased staff productivity
• Effective monitoring and targeting of energy consumption
• Improved plant reliability and life
• Effective response to HVAC-related complaints
• Save time and money during the maintenance
• Higher rental value
• Flexibility on change of building use
• Individual tenant billing for services facilities manager
• Central or remote control and monitoring of building
• Increased level of comfort and time saving
• Remote Monitoring of the plants (such as AHU\\\’s, Fire pumps, plumbing pumps, Electrical supply, STP, WTP etc.)
• Ease of information availability problem
• Computerized maintenance scheduling
• Effective use of maintenance staff
• Early detection of problems
• More satisfied occupants