EMI WLHA, S1C manual Control User Interface instructions User interface Buttons

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Control User Interface instructions

User interface Buttons

FAN The “fan” button will select

the fan speed, High, Low or Auto. High and low are constant fan speed settings and can be selected in all modes except Dry mode. In Dry mode, the fan will op- erate constantly at low speed. Auto fan mode is not available in Fan (only), Dry and Remote wall thermostat modes.

PROG The “PROG” button is used to enter or exit the Pre-program Run mode. The Pre-program Run mode can be entered while the control is in “Cool”, “Heat” or “Auto” modes. Pre-program Run mode can not be entered while in Dry, Fan or Off modes. While the control is in Pre-program Run mode the word “PRO- GRAM” will be displayed on the LCD.

TIME The “TIME” button is used to enter or exit the Set Time mode. The Set Time mode can be entered while the con- trol is in any mode including Off mode. To enter the Set Time mode, press and hold the “TIME” button in for three seconds. To exit press the “TIME” button momentarily.

TIMER The “TIMER” button is used

to enter or exit the Sleep Timer mode.

Up Arrow

The “UP” arrow button is used to increase the set point temperature. Also, the “UP” arrow button is used to increment settings in the Configuration, Time Set, Program

and Louver Set modes.

Down Arrow

The “DOWN” arrow button is used to de- crease the set point temperature. Also, the “DOWN” arrow button is used to dec- rement settings in the Configuration, Time Set, Program and Louver Set modes.ns

Louver The Fan/Louver button is used to enter the louver mode. The louver mode allows selection of six different fixed louver positions or auto (oscillation) lou-

ver mode. To enter the louver mode press and hold the Fan/Louver button for three seconds. While in louver set mode the word “Lou” will display on the LCD.

Alternate button selections

Clear Filter

When the “FILTER CHECK” indicator warning is flashing on the LCD, pressing the “MODE” and “FAN” buttons simultaneously for three seconds will clear the warning.

Quick Copy

While in 7-day programming mode, press- ing the “FAN” and “PROG” buttons simul- taneously for three seconds will copy the selected day to the rest of the week.

7-day program

When the unit is either in the Off or Run mode, pressing the “PROG” and “TIME” buttons simultaneously for three seconds will enter the 7-Day Programming mode. Pressing the “PROG” and “TIME” buttons again or if left idle for 20 seconds, will exit the 7-Day program mode.

Configuration Mode

When the unit is in the Off mode, pressing the “MODE” and “PROG” buttons simulta- neously for 10 seconds will enter the Con- figuration mode. Pressing the “MODE” and “PROG” buttons again or if left idle for 20 seconds, will exit the Configuration mode.

Test mode

When the unit is in the Off mode, pressing the “ON/OFF”, “PROG” and “TIME” but- tons simultaneously for three seconds will enter Test mode. Pressing the “ON/OFF”, “PROG” and “TIME” buttons simultaneously again will exit Test mode

CAUTION: Do not cycle the unit on and off repeatedly while in Test mode as this will cause damage to the compressor. Do not leave the unit in Test mode.

WLCA/WLHA High Wall Evaporator

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Contents Installation, operation and maintenance Manual To the Installer Safety Instructions Day programmable with copy feature Product DescriptionControls and Components Anti-Short Cycle Compressor Pro- tectionCabinet Features Installer Supplied ItemsWLCA/WLHA Controls and Components Optional EquipmentWLCA/WLHA Mounting preparation WLCA/WLHA High Wall unit MountingWLCA/WLHA High Wall Evaporator Installation Instructions Electrical Wiring Site PreparationMake sure power is off Locate Electrical WiringHigh Volt Electrical Wiring Low Volt Interconnect wiringWiring must be at least 18 awg 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 Mode of operation On/OffFan Operation Louver operationSequence of Operation Unit Mounted key pad mode Cool ModeHeat Mode Optional Heat pump with Electric heat 2-stage heatingDry Mode Set Time ModeDay Programming mode Pre-programmed run modeManual run Filter CheckRoom Air Sampling Configuration Mode Min, 10 min, and 15 minSequence of Operation Wall mounted thermostat mode Sleep timerChoosing a Thermostat Cooling operation Electric heat operationOther Features Short Cycle Protection AsctLCD Back Light Drain Pan SensorMemory Backup Room air sensor fault E01Condensate fault E02 ID coil sensor fault E03Initial Start-up Optional Hand Held Controller programmingWLCA/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 checkLow volt controls Cooling Only UnitsElectric Heat 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 LengthWLCA/WLHA High Wall Evaporator Specifications WLCA/WLHA Electrical SpecificationsSmall Cabinet 09/12 Medium Cabinet 18/24WLCA/WLHA System Options Cooling Systems with Wall UnitsHeat pumps System Options with Wall Units Cooling Systems with S2CA Side dischargeSystem Options with T2CA TOP discharge System Options with T3CA TOP dischargeALL Product Limited Warranty EMI’s High Efficiency Product Line EvaporatorsHigh Wall Evaporator Condensers

WLHA, S1C specifications

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