SERVICE MANUAL
Contents
1. NEW WIDETECH SERVICE MANUAL PORTABLE AIR CONDITIONER WAP 237EB Important points on service and flow chart for inspecting and repairing the unit Appearance out ward Troubleshooting Operation Remote control Technical specifications Refrigerator system diagram and schematic wiring This manual is for the use of technical personnel entrusted with maintenance Widetech reserves the right to change this dehumidifier s 220 240V 50Hz casing circuit and parts without notice IMPORTANT POINTS ON SERVICE OPERATING SAFETY Please follow these instructions carefully Unplug the unit to avoid any danger from electric shock before disassembling the unit for repair f there is any sound of the refrigerant circulating when in operation avoid touching the cooling coils f you need to perform any welding or soldering be sure you are in a well ventilated area Only a qualified professional should perform any welding on the unit When repairing the unit the specifications listed in this manual must be strictly adhered to when replacing any components When replacing any electrical components they should be factory approved units Be sure that any electrical components are properly wired and in place FLOW CHART FOR INSPECTING AND REPAIRING THE UNIT NO POWER AIR CONDITIONER WON T START AIR CONDITIONER WON T COOL PROPERLY COMPRESSOR WON T START REFRIGERANT LEAKAGE2. ARE LOOSE WIRING IS LOOSE TROUBLE SHOOTING THE SYSTEM CHECK THE POWER SWITCH RE PLUGING THE POWER SUPPLY CORD TESTING BY ELECTROSCOPE CHANGE THE PROTECTOR CHANGE THE CAPACITOR RE CONNECTING CHANGE THE AIR CONDITIONER WITH 15KG CM NITROGEN GAS FROM LOW PRESSURE SIDE AND DETECT THE LEAKING POINT BY SOAP ma CHANGE THE SWITCH USE OXYACETYLENE AND PLUS 5 SILVER SOLDER TO WELD THE CRACKED POINTS RUNNING THE VACUUM EVACUATION FOR MORE THAN 15 MINUTES CHANGE COOLANT AND PROCEED RUNNING TEST RUNNING TEST APPEARANCE OUT WARD Air outlet Front panel Air filter Rear panel Air outlet Heat exchange Water outlet drain Power supply cord Control panel FRONT SIDE Handle hole 4 EXHAUST HOSE EXHAUST NOZZLE CONNECTOR EXHAUST NOZZLE TROUBLESHOOTING If the protector trip or fuse is blown Please wait for 3 minutes and start again protector device may be preventing unit Does not run fo Work If batteries the remote controller exhausted If the plug is not properly plugged If the set temperat
3. hree settings Timer Cool Dehumidify Fan Auto turn off The settings are adjusted with Mode Control With machine in fan mode press timer button to button A light will indicate which setting is select number of hours you would like the unit to currently being used run in air conditioning mode until it automatically shuts off e Cooling Mode Auto turn on When cool mode is selected the indicator light With machine powered off press timer button to will shine green During the cooling mode the select number of hours until you would like the unit air is cooled and hod air is exhausted to the to automatically start running in air conditioning mode outside air through the exhaust tube Adjust fan speed air through the temperature to suit your Timer Temp set controls desired comfort level Used for adjusting the timer and thermostat Note The air exchange hoses must vent The default display is room temperature outside the room when using cool mode In cooling mode when or W button is pressed the set temperature is displayed and may be adjusted Dehumidify Mode After 15 seconds the display will revert back to room When dehumidify mode is selected the indicator temperature Temperature is only adjustable in cool light will shine orange Air is dehumidified as it mode The time is adjustable between 1 12 hours passes through the unit without being in full Note By pressing both Timer Temp set buttons at the cooli
4. ng mode The fan will operate in med speed same time the display will toggle between Celsius and Fan speed is not adjustable in dehumidify mode Fahrenheit Note The air exchange hoses must vent inside the room when using dehumidify mode After switching the air conditioner off you must wait 3 minutes before switching it back on again 4 TECHNICAL SPECIFICATIONS AIR CONDITIONER ITEM UNIT WAP 237EB OUTER DIMENSION 470W 854H 395D REFERENTIAL USING AREA 13 19 RATED VOLTAGE 220 240 50 RUNNING VOLTAGE 198 264 COOLING CAPACITY 8000 DEHUMIDIFYING CAPACITY 1 8 RUNNING CURRENT 3 8 POWER CONSUMPTION INDOOR AIR VOLUME MODEL 44C193A INPUT POWER 720 5 OPERATING COMPRESSOR CYCLE 40 370 PROTECTOR TEXAS MRA992269054 LOCKED ROTOR AMPS 20 MODEL LS 16D3 01 INDOOR OUTPUT MOTOR POWER 13 OPERATING CYCLE MODEL 1 5 450 LS 53D1 4P OUTDOOR OUTPUT MOTOR POWER 45 OPERATING CYCLE 2 5 450 MODEL WT 15D1 01 TURBINE FAN MOTOR OUTPUT POWER 2 CAPILLARY 2 6 0 D 1 3 1 D 1400 L EVAPORATOR 3R12S17FPI CONDENSER 16521 REFRIGERANT R407 g 770 APPLICABLE AMBIENT gt TEMPERATURE C 18 35 WEIGHT Kg 30
5. ure is close to room temperature you can low the set temperature Air outlet be blocked by obstacle Take the obstacle away Run a short while only If the door or window open If there is other heater appliance work like heater or lamp etc Run but not cool The air filter is dirty please clean it Air outlet or intake be blocked Set temperature is too high Drain the water into a prepared container by the drainage pipe on the rear panel of the unit If still doesn t work please consult a qualified Do not run and water technician full indicator lights OPERATION CONTROL PANEL Display Mode Indicators Warning Light Display Cool O High O Room Temp O lt Q Dehumidiy O Med O Set Temp O 4 Fan Speed Timer Timer Temp Adjust Power Control Mode Control Timer Temp Set Controls Fan Speed Control Power Control Fan Mode The power control turns the unit on and off When fan mode is selected the indicator light will shine yellow Air is circulated throughout the room with no cooling Warning Light Note unit does not need to be vented in Fan mode Condensed water may accumulate in the unit If the internal tank becomes full the Warning Light will shine and the unit will not operate until the Fan Speed Control unit has been drained The Fan Speed Control has 3 settings High Medium and Low Mode Control The Mode Control has t
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