EMI S1C, WLHA manual Troubleshooting, EMI Air handlers with Unit Mount Infrared Controls

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MAINTENANCE and Troubleshooting procedure

MAINTENANCE

4. Vacuum dust from the return air grille and

5. The unit may be wiped with a damp cloth

coil surface when cleaning the filter.

when needed.

Note: Do not run the unit without the filter or the grille.

Troubleshooting

EMI Air handlers with

Unit Mount Infrared Controls

! Warning !

All service should be performed by a qualified service technician. Before removing access panels or control covers to expose moving parts of non-insulated live electrical compo- nents for service, disconnect all high volt power supplies to both the indoor unit and outdoor unit. Failure to do so could result in physical injury and/or electrical shock.

When trouble-shooting the indoor unit, please refer to the wiring diagram that is supplied with the equipment. It is located on the inside surface of the left end cap. (Also refer to Locate Electrical Wiring section in the front of this instruction.) If you are unable to locate the wiring diagram please feel free to call the factory technical service line at (800) 228-9364 and one can be faxed or mailed. Please have the full model and serial number available prior to calling.

EMI America Series evaporators are designed to operate with EMI America Series condensers. The evaporator (indoor unit) and condenser (outdoor unit) are to be

independently connected to the electrical service panel and protected by separate time delay fuse or HACR breakers. (See the unit name plate for the correct breaker type and size). The indoor and outdoor units are also connected to each other via a 24V inter- connect wiring. a transformer provides the low volt power source for the controls. The number of low volt interconnect conductors will be two to six depending on heating op- tions and or thermostat selection. Intercon- nect wire should be at least 18 awg. Refer to the unit wiring diagram for the interconnect diagram that matches your system.

Figure 1A

Not used

WLCA/WLHA High Wall Evaporator

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www.enviromaster.com

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Contents Installation, operation and maintenance Manual To the Installer Safety Instructions Product Description Day programmable with copy featureControls and Components Anti-Short Cycle Compressor Pro- tectionInstaller Supplied Items Cabinet FeaturesWLCA/WLHA Controls and Components Optional EquipmentWLCA/WLHA High Wall unit Mounting WLCA/WLHA Mounting preparationElectrical Wiring Site Preparation WLCA/WLHA High Wall Evaporator Installation InstructionsMake sure power is off Locate Electrical WiringLow Volt Interconnect wiring High Volt Electrical WiringWiring must be at least 18 awg Units With or without heatChoosing a Remote Wall Mounted Straight CoolHeat pump connection Remote thermostat Two-stage Heating Piping Do’s and Don’ts Refrigerant PipingWLH24 Piston/Orifice Installation InstructionManifold Setup For Evacuation Charge to proper weight, charge WLCA/WLHA High Wall Evaporator User interface Buttons Quick Guide Configuration ModeControl User Interface instructions User interface Buttons On/Off Mode of operationFan Operation Louver operationCool Mode Sequence of Operation Unit Mounted key pad modeHeat Mode Optional Heat pump with Electric heat 2-stage heatingSet Time Mode Dry ModePre-programmed run mode Day Programming modeManual run Filter CheckMin, 10 min, and 15 min Room Air Sampling Configuration ModeChoosing a Thermostat Sleep timerSequence of Operation Wall mounted thermostat mode Electric heat operation Cooling operationShort Cycle Protection Asct Other FeaturesLCD Back Light Drain Pan SensorRoom air sensor fault E01 Memory BackupCondensate fault E02 ID coil sensor fault E03WLCA/WLHA Preperation for Start-Up Optional Hand Held Controller programmingInitial Start-up Test Unit Performance Data Test Unit Performance Data sheetMaintenance Maintenance and Troubleshooting procedureEMI Air handlers with Unit Mount Infrared Controls TroubleshootingPower supply check Troubleshooting procedureCooling Only Units Low volt controlsElectric Heat Optional Heat pump With Electric HeatUnits with Condensation Pumps Display on the indoor unit is blank What should I do? Frequently asked questionsTroubleshooting procedure Mounting Tubing Model Depth Height Length WLCA/WLHA Physical DimensionsWLCA/WLHA Electrical Specifications WLCA/WLHA High Wall Evaporator SpecificationsSmall Cabinet 09/12 Medium Cabinet 18/24Cooling Systems with Wall Units WLCA/WLHA System OptionsHeat pumps System Options with Wall Units Cooling Systems with S2CA Side dischargeSystem Options with T3CA TOP discharge System Options with T2CA TOP dischargeALL Product Limited Warranty Evaporators EMI’s High Efficiency Product LineHigh Wall Evaporator Condensers

WLHA, S1C specifications

The EMI S1C, also known as the WLHA, is a cutting-edge electronic device renowned for its advanced features and robust technologies. This innovative equipment caters to a wide range of applications, from multimedia processing to advanced communications. Its design showcases a seamless blend of functionality and performance, making it a preferred choice among professionals in various fields.

One of the standout characteristics of the EMI S1C is its high-performance processing capability. Equipped with a powerful multi-core processor, the device ensures rapid data processing and multitasking without compromising efficiency. This feature is particularly beneficial for applications requiring real-time data analysis and complex computational tasks.

The WLHA further distinguishes itself through its exceptional connectivity options. It supports multiple input and output standards, including USB, HDMI, and Ethernet, facilitating seamless integration with other devices. This flexibility allows users to connect a variety of peripherals and streamline workflows, enhancing overall productivity.

In terms of user experience, the EMI S1C places a strong emphasis on intuitive interaction. It features a user-friendly interface that simplifies navigation and accessibility. The touchscreen display provides responsive feedback, enabling users to operate the device effortlessly, even in high-pressure scenarios.

Another prominent aspect of the EMI S1C is its advanced power management system. The device is designed to optimize energy consumption without sacrificing performance. This sustainability feature is not only environmentally friendly but also crucial for mobile applications, where battery life is a significant consideration.

Furthermore, the WLHA's robust build quality ensures durability and resilience in diverse environments. The device is constructed with high-grade materials that withstand wear and tear, making it ideal for use in industrial settings or field operations where ruggedness is essential.

Security is also at the forefront of the EMI S1C's design. The device incorporates advanced encryption technologies and secure boot mechanisms to protect sensitive data from unauthorized access. This commitment to security is particularly relevant in today's digital landscape, where data breaches and cyber threats are prevalent.

In summary, the EMI S1C, WLHA is a versatile and powerful electronic device that excels in various domains. Its combination of high-performance processing, extensive connectivity, user-friendly interface, energy efficiency, durability, and robust security features makes it a top choice for professionals seeking reliability and innovation in their tools. Whether in multimedia, telecommunications, or industrial applications, the WLHA is poised to meet the demands of modern technology users effectively.
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