EMI WLHA, S1C manual Sequence of Operation Unit Mounted key pad mode, Cool Mode, Heat Mode

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Sequence of Operation – Unit Mounted key pad mode

or Down arrow buttons will allow selection of six different fixed louver positions or auto (oscillation) mode. The sequence is 01, 02, 03, 04, 05, 06 and Auto. Once the desired setting is selected, press the Fan/ Louver button momentarily or let idle for 10 seconds to exit the louver set mode.

While the control is in the On mode, the louver will remain in the selected louver position. If Auto louver operation is selected, the louver will oscillate only when the fan is running. When the control is turned off via the ON/OFF button the louver will return to the closed position.

Cool Mode

For cooling operation first turn the unit on via the ON/OFF button. Select Cool mode via the MODE button. The room temperature and set point temperature will be displayed. The setpoint tempera- ture can be changed with each succes- sive press of the Up or Down arrow but- tons or by holding the button in.

Place the setpoint temperature below the room temperature. The compressor will start and cooling will continue for a minimum of two minutes and as long as the setpoint remains below room temper- ature. Once the room temperature is sat- isfied for at least 60 seconds and the two- minute minimum run time has elapsed the compressor will cycle off. The fan will operate as described in “Fan Operation”.

Note: Once the compressor is switched off, or after a power outage there is a three-minute delay before the compressor will re-start.

Heat Mode

Optional Electric heat operation (Non Heat pump condenser units only):

For operation with electric heat the control must first be configured properly (Heat source – “ON”, Heat pump – “OFF”). See: Configuration Interface mode.

For electric heat operation, first turn the unit on via the ON/OFF button. Then se- lect Heat mode via the MODE button. The

room temperature and setpoint tempera- ture will be displayed. Press either the Up or Down arrow buttons to change the setpoint temperature. The setpoint tem- perature will change by one degree with each successive press of the Up or Down arrow buttons. Holding the button in will change the temperature rapidly.

Place the setpoint temperature above room temperature. The electric heat will energize and heating will continue as long as the setpoint remains above room temperature. When the room temperature has been satisfied for at least 60 seconds and the two minute minimum on time has expired, the electric heat will switch off. The fan will operate as described in “Fan Operation”.

Optional Heat pump with Electric heat (2-stage heating):

For heat pump operation with electric heat the control must first be configured properly (Heat source – “ON”, Heat pump – “ON”). See: Configuration Interface mode.

For heat pump operation with backup electric heat, first turn the unit on via the ON/OFF button. Then select Heat mode via the Mode button.

The room temperature and setpoint temperature will be displayed. Press either the Up or Down arrow buttons to change the setpoint temperature. The setpoint temperature will change by one degree with each successive press of the Up or Down arrow buttons. Holding the button in will change the temperature rapidly.

Place the setpoint temperature above the room temperature by one degree. The compressor will start and heating will con- tinue for a minimum of two minutes and as long as the setpoint remains above room temperature. When the room temperature has been satisfied for at least 60 seconds and the minimum on time has elapsed, the compressor will switch off. The fan will operate as described in “Fan Operation”.

Next, place the setpoint temperature above the room temperature by at least two degrees. The compressor will start and, the electric will also energize after a 30 second delay, thus two-stage heating. The electric heat will run for a minimum of two minutes and until the deviation

WLCA/WLHA High Wall Evaporator

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Contents Installation, operation and maintenance Manual To the Installer Safety Instructions Controls and Components Day programmable with copy featureProduct Description Anti-Short Cycle Compressor Pro- tectionWLCA/WLHA Controls and Components Cabinet FeaturesInstaller Supplied Items Optional EquipmentWLCA/WLHA Mounting preparation WLCA/WLHA High Wall unit MountingMake sure power is off WLCA/WLHA High Wall Evaporator Installation InstructionsElectrical Wiring Site Preparation Locate Electrical WiringWiring must be at least 18 awg High Volt Electrical WiringLow Volt Interconnect wiring Units With or without heatStraight Cool Choosing a Remote Wall MountedHeat pump connection Remote thermostat Two-stage Heating Refrigerant Piping Piping Do’s and Don’tsPiston/Orifice Installation Instruction WLH24Manifold Setup For Evacuation Charge to proper weight, charge WLCA/WLHA High Wall Evaporator Quick Guide Configuration Mode User interface ButtonsControl User Interface instructions User interface Buttons Fan Operation Mode of operationOn/Off Louver operationHeat Mode Sequence of Operation Unit Mounted key pad modeCool Mode Optional Heat pump with Electric heat 2-stage heatingDry Mode Set Time ModeManual run Day Programming modePre-programmed run mode Filter CheckRoom Air Sampling Configuration Mode Min, 10 min, and 15 minSleep timer Sequence of Operation Wall mounted thermostat modeChoosing a Thermostat Cooling operation Electric heat operationLCD Back Light Other FeaturesShort Cycle Protection Asct Drain Pan SensorCondensate fault E02 Memory BackupRoom air sensor fault E01 ID coil sensor fault E03Optional Hand Held Controller programming Initial Start-upWLCA/WLHA Preperation for Start-Up Test Unit Performance Data sheet Test Unit Performance DataMaintenance and Troubleshooting procedure MaintenanceTroubleshooting EMI Air handlers with Unit Mount Infrared ControlsTroubleshooting procedure Power supply checkElectric Heat Low volt controlsCooling Only Units Optional Heat pump With Electric HeatUnits with Condensation Pumps Frequently asked questions Display on the indoor unit is blank What should I do?Troubleshooting procedure WLCA/WLHA Physical Dimensions Mounting Tubing Model Depth Height LengthSmall Cabinet 09/12 WLCA/WLHA High Wall Evaporator SpecificationsWLCA/WLHA Electrical Specifications Medium Cabinet 18/24Heat pumps System Options with Wall Units WLCA/WLHA System OptionsCooling Systems with Wall Units Cooling Systems with S2CA Side dischargeSystem Options with T2CA TOP discharge System Options with T3CA TOP dischargeALL Product Limited Warranty High Wall Evaporator EMI’s High Efficiency Product LineEvaporators 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.

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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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