EMI CAC manual Important Notes

Page 17

REFRIGERANT PROCESSING

8.Charge to proper weight, charge based on your feet of interconnect (see below).

NOTE: Charging should be done with a dial-a-charge or weighed in with a scale.

Refer to Refrigerant

Charge Table for

specified line charge.

IMPORTANT NOTES:

I. To find the charge adjustment and system charge for any evaporator and tubing length:

Line Adjustment = (Line Chg/Ft) x Line Length

System Total = Factory Charge + Line Adjustment

2.Round to the nearest ounce and allow for gauges and hoses.

3.Use R22 refrigerant.

S1C REFRIGERANT CHARGE TABLE

Condenser

Evaporator Pairing

Line Chg/Ft

Factory Charge

S1CA9

CACA12

.25 oz.

37 oz.

S1CA2

CACA12

.25 oz.

40 oz.

S1CA8

CACA24

.56 oz.

51 oz.

S1CA4

CACA24

.56 oz.

65 oz.

S1CA3

CACA36

.56 oz.

72 oz.

S1CA6

CACA36

.56 oz.

90 oz.

Ref.

R-22

R-22

R-22

R-22

R-22

R-22

S2C REFRIGERANT CHARGE TABLE

Condenser

Evaporator Pairing

S2CA99

CACA12

S2CA22

CACA12

S2CA92

CACA12+CACA12

Line Chg/Ft

Factory Charge

.25 oz.

28 oz./ 28 oz.

.25 oz.

33 oz./ 33 oz.

.25 oz.

28 oz./ 33 oz.

 

 

Ref.

R-22

R-22

R-22

TOP DISCHARGE REFRIGERANT CHARGE CHART

Circuit Capacity

Line Chg/Ft

Factory Charge

Ref.

09

.25 oz.

28 oz.

R-22

12

.25 oz.

30 oz.

R-22

18

.56 oz.

48 oz.

R-22

24

.56 oz.

60 oz.

R-22

CAC Cassette Evaporator

17

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Contents Nominal Circuit Capacities INSTALLATION, Operation and Maintenance ManualCAC Cassette High Efficiency Evaporator To the InstallerSafety Instructions System Options Standard FeaturesProduct Description CAC Cassette Controls and Components Preparation for InstallationLarge Unit Small Unit ShownMedium Unit Shown CAC Cassette Preparation and Positioning PISTON/ORIFICE Installation InstructionCeiling opening Mounting the CAC Cassette Ceiling EvaporatorMAX CAC Cassette Chassis Positioning and InstallationCondensate Piping Correct IncorrectUse of a larger line can harm Compressor Piping DO’S and DON’TS Pipe Installation NotesRefrigeration Piping Assembly Instructions CAC Cassette Evaporator Fascia Installation InstructionsMake sure power is off CAC Cassette Evaporator Installation InstructionsElectrical Wiring Low Volt Interconnect Wiring High Volt Electrical WiringStart -UP for Wall Thermostat Control LOW Voltage Interconnect WiringFigure #4 Refrigerant Processing Important Notes CAC Cassette Evaporator Test Unit Performance Data Test Unit Performance Data SheetMaintenance and Troubleshooting Procedure Power Supply Check Troubleshooting ProcedureElectric Heat Low Volt ControlsCooling Only Units How long will the fan run? Frequently Asked QuestionsCAC Performance Data Discharge AIR VolumeSmall Cabinet CAC 9,000 12,000 CAC Cassette DimensionsMedium Cabinet CAC 18,000 24,000 Large Cabinet CAC 30,000 36,000 CAC Cassette System Matches CAC Electrical SpecificationsT2C, T3C & T4C Top Discharge Enviromaster International LLC ALL Product Limited WarrantyHigh Wall Evaporator EMI’S High Efficiency Product LineS1C & 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.