EMI manual CAC Cassette Chassis Positioning and Installation, Max

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CAC CASSETTE CHASSIS POSITIONING AND INSTALLATION

2. Install hanger bolts using 3/8 all thread

Figure #3

rod at the centers shown in Figure #2.

 

3.Prepare the installation guides by fold- ing the metal bracket by hand along the perforations.

CASSETTE

CASE

INNER CASE

INSULATION

Fold bracket along perforations

4.Lift the Cassette onto the hanging rods. Leveled at the correct distance from the ceiling with the aid of the installa- tion guides as shown Figure #3.

5.Secure unit in position with locknuts and washers on either side of the Cassette bracket.

6.Ensure threaded rod does not pro- trude more than 2” below the mounting bracket.

NOTE: If the ceiling is not level or even, it is important that the Cas- sette is installed level to ensure cor- rect pump operation and to maintain fan clearances. Place a carpenter’s level on the unit. A maximum slope of 1/8” toward the condensate drain is allowed. Any slight discrepancy between the Cassette and ceiling will be taken up by the fascia foam seal.

2” MAX

CAC Cassette Evaporator

8

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Contents INSTALLATION, Operation and Maintenance Manual Nominal Circuit CapacitiesCAC Cassette High Efficiency Evaporator To the InstallerSafety Instructions System Options Standard FeaturesProduct Description Preparation for Installation CAC Cassette Controls and ComponentsLarge Unit Small Unit ShownMedium Unit Shown PISTON/ORIFICE Installation Instruction CAC Cassette Preparation and PositioningMounting the CAC Cassette Ceiling Evaporator Ceiling openingCAC Cassette Chassis Positioning and Installation MAXCorrect Incorrect Condensate PipingUse of a larger line can harm Compressor Piping DO’S and DON’TS Pipe Installation NotesRefrigeration Piping CAC Cassette Evaporator Fascia Installation Instructions Assembly InstructionsMake sure power is off CAC Cassette Evaporator Installation InstructionsElectrical Wiring High Volt Electrical Wiring Low Volt Interconnect WiringLOW Voltage Interconnect Wiring Start -UP for Wall Thermostat ControlFigure #4 Refrigerant Processing Important Notes CAC Cassette Evaporator Test Unit Performance Data Sheet Test Unit Performance DataMaintenance and Troubleshooting Procedure Troubleshooting Procedure Power Supply CheckElectric Heat Low Volt ControlsCooling Only Units Frequently Asked Questions How long will the fan run?Discharge AIR Volume CAC Performance DataCAC Cassette Dimensions Small Cabinet CAC 9,000 12,000Medium Cabinet CAC 18,000 24,000 Large Cabinet CAC 30,000 36,000 CAC Electrical Specifications CAC Cassette System MatchesT2C, T3C & T4C Top Discharge ALL Product Limited Warranty Enviromaster International LLCEMI’S High Efficiency Product Line High Wall EvaporatorS1C & S1H Single Zone S2C Dual Zone T2C, T3C & T4C 2, 3 & 4 Zone Top Discharge

CAC specifications

EMI CAC, or Electromagnetic Interference Common-mode Current, is a critical concern in electronic device design and operation. It refers to the unwanted electromagnetic energy that can disrupt the normal functioning of electronic circuits, particularly in complex systems. EMI can arise from various sources, including power lines, radio frequency transmitters, and even other components within the same device.

One of the main features of EMI CAC is its dual nature. It can be both a source of interference and a metric to assess the integrity of electronic systems. The impacts of EMI are far-reaching, affecting communication signals, power supply reliability, and overall device performance. As technology progresses and devices become more compact, the likelihood of EMI issues increases, making it essential for engineers to develop effective solutions.

Several technologies are employed to mitigate EMI CAC in electronic systems. Shielding is one of the most common methods, involving the use of conductive materials to block electromagnetic fields. This can take the form of metal enclosures or coatings that prevent the escape of emissions. Another strategy involves the use of filters, such as ferrite beads and capacitors, which can suppress common-mode currents before they enter the sensitive parts of a circuit.

The characteristics of EMI CAC vary depending on several factors, including frequency, amplitude, and the specific environment in which the electronic devices operate. High-frequency EMI is particularly challenging due to its ability to penetrate enclosures and disrupt signals. Additionally, common-mode noise can often appear in differential signals, exacerbating the situation and making detection more difficult.

Achieving EMC (Electromagnetic Compatibility) is a major goal for designers dealing with EMI CAC. This involves not only reducing emissions from devices but also improving their immunity to external sources of interference. Effective grounding techniques and careful layout planning are crucial in minimizing EMI effects.

In summary, EMI CAC represents a significant challenge in modern electronics, with a need for advanced solutions to ensure device performance and reliability. By understanding its features, employing effective technologies for mitigation, and addressing its characteristics, engineers can create robust designs that thrive in the increasingly complex electromagnetic landscape of today’s technological world.