EMI WLCA installation manual Unit Start UP Indoor Unit, Control Circuit Checks DX Units

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UNIT START UP - INDOOR UNIT

CONTROL CIRCUIT CHECKS (DX Units)

NOTE: Apply power to the Condensing Unit’s crankcase heater for 24 hours before start up to boil off any liquid that may be present in the compressor.

1.After 24 hours, the compressor should be isolated by removing the connection at the “Y” terminal on the outdoor unit. Main power can now be applied to the indoor and outdoor units. A system electrical check can now be carried out.

2.Switch on the indoor Cassette unit and check that the fan cycles correctly.

NOTE: In some models there is a two minute fan run on time to remove residual heat from the Cas- sette, if the unit is switched off during the heating mode.

3.On models with microprocessor controls, check that the High, Medium and Low fan speeds are op- erating correctly by changing the fan speed via the transmitter.

4.On models 15-48, check that the motorized vane sweep functions correctly by toggling the function on or off, either via the transmitter (micro units) or via the toggle switch on the back of the electrical panel lid (electro-mechanical units).

5.On micro controlled units, if required, check that the built-in timer function is programmed and oper- ating correctly. When the timer is activated, the red LED on the fascia display panel should be lit.

6.Check the operation of the condensate pump by pouring 7-8 ounces of water down the pump outlet, switch the unit on, select cooling mode and the lowest possible temperature setpoint then observe the water being pumped from the Cassette.

7.Where fitted, check the operation of the hot water valve or the electric heat elements by switching the system to the heating mode and selecting the highest possible temperature setpoint.

8.Ensure that the Condensing Unit start up proce- dure has been carried out as detailed in the corre- sponding installation manual.

9.The compressor signal “Y” (disconnected from the outdoor unit in step 1) can now be reconnected and main power applied to the system.

IMPORTANT: As of 12/01/04 EMI air handlers will be manu- factured with a low Volt transformer installed. At the same time, EMI outdoor condensers will be manufactures with- out a low Volt transformer. When connecting an EMI evapo-

rator to a non-EMI condenser, check to ensure that there is a 24V control transformer in either in the indoor unit or outdoor unit. Only one transformer is required. If a transformer is not present then one should be added to the indoor unit. If both

the indoor unit and outdoor unit contain a transformer, one

must be remover from the system.

CONTROL CIRCUIT CHECKS

(Chilled Water Units)

A thorough pipe work check and pressure test should be performed before the Cassette controls are set up.

1.Isolate the Cassette from the chilled water supply. A system electrical check can now be carried out.

2.Switch on the indoor Cassette unit and check that the fan cycles correctly.

NOTE: In some models there is a two minute fan run on time to remove residual heat from the Cassette, if the unit is switched off during the heating mode.

3.On models with microprocessor controls, check that the High, Medium and Low fan speeds are op- erating correctly by changing the fan speed via the transmitter.

4.On models 15-48, check that the motorized vane sweep functions correctly by toggling the function on or off, either via the transmitter (micro units) or via the toggle switch on the back of the electrical panel lid (electro-mechanical units).

5.On micro controlled units, if required, check that the built-in timer function is programmed and oper- ating correctly. When the timer is activated, the red LED on the fascia display panel should be lit.

6.Check the operation of the condensate pump by pouring 7-8 ounces of water down the pump outlet, switch the unit on, select cooling mode and the lowest possible temperature setpoint then observe the water being pumped from the Cassette.

7.Allow chilled water to enter the Cassette and vent air from the unit by opening the 1/4" air bleed. Re- tighten the bleed screw once all air has been re- moved.

8.Repeat steps 1-4 above for all Cassettes in the same systems.

The Cassettes are now ready for the system balance to be performed.

ENVIROMASTER INTERNATIONAL LLC

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EMI@ENVIROMASTER.COM

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Contents Product Description General StatementControls and Components Positioning Site InstallationCabinet Electrical Data Refrigeration System DX Units Start UP ProceduresEMI Cassette CAH/W, CAF/4 EMI Cassette Mechanical Data Cabinet DimensionsSmall Cabinet EMI Cassette DimensionsLarge Cabinet Medium CabinetInfrared Receiver & Fascia Display Panel Microprocessor ControllerInfrared Transmitter Display IndicatorsHOW to SET the Present Time Setting UP the BUILT-IN Time ClockControl Circuit Checks DX Units Unit Start UP Indoor UnitUnit will not Operate Troubleshooting SectionPossible CAUSES/REMEDIES Water Leaking from UnitNo Cooling Coil FreezeNo Heating Heat Pump Possible CAUSES/REMEDIES Fans will not RUNElectric Overheat Filter Removal and Cleaning MaintenanceFAN Removal Condensate Tray RemovalAppendix a Wiring Charts and Instructions Appendix B Exploded Unit Drawing and Parts List Large Cabinet Appendix C Exploded Unit Drawing and Parts List

WLCA specifications

EMI WLCA, or Electromagnetic Interference Wireless Lightning Control Architecture, represents a groundbreaking evolution in the realm of electromagnetic interference mitigation technologies. Designed to safeguard sensitive electronic systems from the potentially detrimental effects of electromagnetic disturbances, EMI WLCA integrates a host of advanced features and characteristics that empower both industries and consumers.

One of the primary features of EMI WLCA is its ability to operate across various frequencies. This versatility ensures that it can mitigate interference from a wide range of sources, whether they originate from industrial machinery, communication devices, or environmental factors. By effectively filtering out these unwanted signals, the technology facilitates more stable and reliable performance in electronic systems.

At the heart of EMI WLCA lie several state-of-the-art technologies that enhance its efficiency. Adaptive filtering is a key component, allowing the system to dynamically adjust its response based on the detected interference levels. This real-time adjustment capability ensures optimal performance, minimizing lag and improving responsiveness in critical applications, such as aviation, telecommunications, and medical devices.

Another notable characteristic of EMI WLCA is its modular design. This allows for easy integration into existing systems, enabling manufacturers to incorporate the technology without necessitating an overhaul of their current infrastructure. The modularity also facilitates future upgrades, ensuring that systems can adapt to changing standards and emerging interferences.

In addition to its impressive technical specifications, EMI WLCA is designed with user-friendliness in mind. Comprehensive monitoring tools provide users with insightful data on interference levels and the effectiveness of the mitigation strategies being employed. This transparency not only aids in troubleshooting but also enhances overall system performance by allowing users to make informed adjustments as needed.

Moreover, EMI WLCA is built to meet stringent regulatory compliance standards. This ensures its broad applicability across various sectors, including aerospace, automotive, and consumer electronics. As technology continues to advance, the RF environment becomes increasingly crowded, making solutions like EMI WLCA not only desirable but essential.

In conclusion, EMI WLCA stands out as a significant advancement in electromagnetic interference control technology. With its adaptive filtering capabilities, modular design, user-friendly monitoring tools, and compliance with industry regulations, EMI WLCA promises to enhance the reliability and performance of electronic systems across diverse applications. As the demand for interference-resistant technology grows, innovations like EMI WLCA will undoubtedly play a critical role in shaping the future of electronic design and implementation.
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