Service Manual 04/2009
Contents
1. Preparation for storage 1 Turn off the air conditioner disconnect the power 2 Perform proper maintenance to the air filter and other parts 3 Open the base stopper to drain out all of the water from the base Operating the unit in fan only mode for 12 hours will help ensure there is no moisture within the unit 4 Cover the unit to prevent dust or filth from entering the unit Drain valve TROUBLESHOOTING IMPORTANT POINTS ON SERVICE OPERATING SAFETY Please follow these instructions carefully e Unplug the unit to avoid any danger from electric shock before disassembling the unit for repair e If 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 e Only a qualified professional should perform any welding on the unit e When repairing the unit the specifications listed in this manual must be strictly adhered to when replacing any components e 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 LEAKAGE CHECK THE POWER SWITCH POWER TRIPPED ly PLUG AND SOCKET ARE LO2. 16 Wiring Diagrams A ex eed pepe REX si a dd i a ais 17 Warranty sss sth ec TEE 18 IMPORTANT SAFETY INFORMATION The information contained in this manual is intended for use by a qualified service technician who is familiar with the safety procedures required for installation and repair and who is equipped with the proper tools and test instruments required to service this product Installation or repairs made by unqualified persons can result in subjecting the unqualified person making such repairs as well as the persons being served by the equipment to hazards resulting in injury or electrical shock which can be serious or even fatal Safety warnings have been placed throughout this manual to alert you to potential hazards that may be encountered If you install or perform service on equipment it is your responsibility to read and obey these warnings to guard against any bodily injury or property damage which may result to you or others Your safety and the safety of others are very important We have provided many important safety messages in this manual and on your appliance Always read and obey all safety messages This is a safety Alert symbol This symbol alerts you to potential hazards that can kill or hurt you and others All safety messages will follow the safety alert symbol with the word WARNING or CAUTION These words mean A WARN NG You can be killed or seriously injured if
3. 14 MAINTENANCE SERVICE A WARNING RISK OF ELECTRIC SHOCK Unplug and or disconnect all electrical power to the unit before performing inspections maintenances or service Failure to do so could result in electric shock serious injury or death Cleaning the air filter If the air filter is blocked with a lot of dust the air flow volume will be reduced Clean the filter once every two weeks Open and clean the air filter 1 Pull the filter out as shown in the drawing 2 Take out the air filter from the filter cover 3 Wash the air filter by immersing it gently into warm about 40 C or 104 F water with a neutral detergent or vacuum the filter clean 4 Rinse the filter and dry it thoroughly in a shaded place Install the air filter back to its original place e Cleaning the air conditioner Clean the surface of the unit with a damp cloth then dry us ing a duster or similar Do not use chemical solvent like benzene or alcohol to clean the surface of the unit If you do so the surface may be scratched damaged or even cause the case to become deformed Prior to operating seasons 1 Check to ensure that the air inlets and outlets of the unit are not blocked 2 Make sure that air filter is properly in place before operat ing the machine If the machine is operated with air filter removed dust and foreign objects will result in faulty per formance of the air conditioner
4. 19 25 x 33 62 x 15 55 Dehumidification Pints Hour Indoor Air Circulation CFM 19 25 x 33 62 x 15 55 Charge 410 A Rating NEMA 125V 15A 5 15 125V 15A 5 15 PRECAUTIONS FOR USE e sure the unit is installed in an accessible location Donotlocate the unit in direct sunlight so as to avoid discoloration of the plastic e Keep the unit 1 meter away from television sets or radios to avoid the risk of electromagnetic interference e Ensure that the discharge air outlet is free from obstructions and not impeded by walls or other structures e Operate the unity ONLY in the upright position e When unplugging the unit hold the power plug securely and pull it out carefully e Donotuse damaged or improper AC socket 4 WARNING EXPLOSION HAZARD Do not use the unit near gas appliances or in the vicinity of flammable liquids Failure to follow this warning could result in serious injury or death CONTROL PANEL OPERATION T ZoneAire Dry Med Fan Low Water Full ON OFF Mode Fan Speed Dehumidifying and cooling operation The operating range for cooling operation is 60 F 90 F and the operating range for dehumidifying is 68 F 88 F Power source The AC socket must be firm and reliable Don t connect the portable air conditioner to a multiple socket outlet which is also being used for other electrical appliances Insert the AC power plug sec
5. be the exclusive remedy within twelve months from the date of the original purchase SECOND THROUGH FIFTH YEAR SEALED REFRIGERANT SYSTEM If the Sealed Refrigeration System defined for this purpose as the compressor condenser coil evaporator coil reversing valve check valve capillary filter drier and all interconnecting tubing supplied by FRIEDRICH in your Room Air Conditioner fails because of a defect in workmanship or material within sixty months from date of purchase FRIEDRICH will pay a labor allowance and parts necessary to repair the Sealed Refrigeration System PROVIDED FRIEDRICH will not pay the cost of diagnosis of the problem removal freight charges and transportation of the air conditioner to and from the Service Agency and the reinstallation charges associated with repair of the Sealed Refrigeration System All such cost will be the sole responsibility of the owner This remedy is expressly agreed to be the exclusive remedy within sixty months from the date of the original purchase APPLICABILITY AND LIMITATIONS This warranty is applicable only to units retained within the Fifty States of the U S A District of Columbia and Canada This warranty is not applicable to 1 Air filters or fuses 2 Products on which the model and serial numbers have been removed 3 Products which have defects or damage which results from improper installation wiring electrical current characteristics or maintenance or caused by accident
6. misuse or abuse fire flood alterations and or misapplication of the product and or units installed in a corrosive atmosphere default or delay in performance caused by war government restrictions or restraints strikes material shortages beyond the control of FRIEDRICH or acts of God OBTAINING WARRANTY PERFORMANCE Service will be provided by the FRIEDRICH Authorized Dealer or Service Organization in your area They are listed in the Yellow Pages If assistance is required in obtaining warranty performance write to Room Air Conditioner Service Manager Friedrich Air Conditioning Co P O Box 1540 San Antonio TX 78295 1540 LIMITATIONS THIS WARRANTY IS GIVEN IN LIEU OF ALL OTHER WARRANTIES Anything in the warranty notwithstanding ANY IMPLIED WARRANTIES OF FITNESS FOR PARTICULAR PURPOSE AND OR MERCHANTABILITY SHALL BE LIMITED TO THE DURATION OF THIS EXPRESS WARRANTY MANUFACTURER EXPRESSLY DISCLAIMS AND EXCLUDES ANY LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGE FOR BREACH OF ANY EXPRESSED OR IMPLIED WARRANTY NOTE Some states do not allow limitations on how long an implied warranty lasts or do not allow the limitation or exclusion of consequential or incidental damages so the foregoing exclusions and limitations may not apply to you OTHER This warranty gives you specific legal rights and you may also have other rights which vary from state to state PROOF OF PURCHASE Owner must provide proof of purchase in order to receive any war
7. you do not follow instructions A CAUTION You can receive minor or moderate injury if you do not follow instructions All safety messages will tell you what the potential hazard is tell you how to reduce the chance of injury and tell you what will happen if the instructions are not followed A message to alert you of potential property damage will have the NO TICE word NOTICE Potential property damage can occur if instructions are not followed PERSONAL INJURY OR DEATH HAZARDS ELECTRICAL HAZARDS e Unplug and or disconnect all electrical power to the unit before performing inspections maintenance or service e Make sure to follow proper lockout tag out procedures Always work in the company of a qualified assistant if possible e Capacitors even when disconnected from the electrical power source retain an electrical charge potential capable of causing electric shock or electrocution e Handle discharge and test capacitors according to safe established standards and approved procedures e Extreme care proper judgment and safety procedures must be exercised if it becomes necessary to test or troubleshoot equipment with the power on to the unit Do not spray or pour water on the return air grille discharge air grille evaporator coil control panel and sleeve on the room side of the air conditioning unit while cleaning Electrical component malfunction caused by water could result in electric shock or other el
8. 24 hours NOTE During timer mode if the TIMER button is pressed again it will cancel the timer operation Warning Light Condensed water may accumulate in the unit If the internal tank becomes full the Warning Light will come on and the unit will not operate until the unit has been drained REMOTE CONTROL Air Conditioner Remote Control The functions work the same as your air conditioner s touch controls All key function can be accessed from the remote control Power Control On Off Fan Speed Control G9 HiGH MED B Low On Off Timer Control LCD Display Time Temperature Set Control Used for adjusting the timer and temperature The default display on control panel is room temperature When the N or the N button is pressed in cool mode the set temperature is displayed and may be adjusted After 15 10 In running mode Auto switch off In standby mode seconds the display will revert back to room temperature Timer setting is available from Auto switch on 1 24 hours by pressing the Press the N or the button N on button to adjust the time setting for 1 hour interval Mode Control Farenheit Celsius Button Press this button to change the operation mode in the order of Cool gt Dehumidify Notes Fan 2 Do not drop the remote control Do not place the remote control in a location exposed to direct sunlight The remote contro
9. Dehumidify and Fan The settings are adjusted with the Mode Control button A light will indicate which setting is currently being used Cooling operation 1 Press MODE button to choose the cooling mode LCD window will show cool During the cooling operation always place the air exhaust hose through an open window 2 Repeatedly press TEMP or TEMP button to set a proper room TEMP between 60 F 90 F 3 Press FAN SPEED button to choose between low medium and high speeds NOTE In order to improve the cooling efficiency a If your room is directly exposed to the sun draw the curtains b Do not place near other heat source Dehumidifying Operation 1 Keep the windows and the doors closed to aid in effectively dehumidifying the room 2 Press MODE button to choose the dehumidifying mode LCD window will show DRY the fan speed cannot be adjusted When used as dehumidifier only it is not necessary to install the exhaust hose Time Set Function To set the time to start the machine with the unit off but power supplied press TIMER button the LCD window will show continually press the TIMER button set the preferred start time The setting range is 1 24 hours To set the time to stop the machine with the unit running press TIMER button the LCD window will show continually press the TIMER button set the preferred time to stop the machine The setting range is 1
10. OSE RE PLUGING THE POWER SUPPLY CORD CHANGE THE SWITCH TESTING BY ELECTROSCOPE CHANGE THE PROTECTOR CHANGE THE CAPACITOR RE CONNECTING TIMER FAILURE PROTECTOR FAILURE CAPACITOR FAILURE WIRING IS LOOSE TROUBLE SHOOTING THE SYSTEM CHANGE THE AIR CONDITIONER WITH 15KG CM NITROGEN GAS FROM LOW PRESSURE SIDE AND DETECT THE LEAKING POINT BY SOAP 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 15 TROUBLESHOOTING PROBLEM The air conditioner doesn t work POSSIBLE CAUSE REMEDIES There is a power failure The plug is not connected The timer is unable to work The main switch has not been pressed Wait forthe power return Connect the plug Provide repairment Press the main switch The air conditioner works for short period only The set temperature is too close to the room s temperature There is something blocking the suction vent on the back of condenser The fan on the condenser is blocked Decrease the setting temperature Remove any obstacles Unblock The air conditioner switches are off constantly Malfunction Turn off the appliance remove the plug and contact the service center The air conditioner works but it does not cool the room There is a win
11. TRODUCTION Control panel Air outlet 2 Signal receptor Handle Caster 3 4 5 Air outlet hose Air filter 6 ys Air intake hose 8 1 2 water outlet drain 9 1 Power supply 0 UNIT MODEL AND SERIAL NUMBER UNIT IDENTIFICATION MODEL NUMBER CODE 09 Portable 2nd and 3rd DIGIT Approximate BTU HR Cooling Heating BTU Hr capacity listed in the Specification Performance Data Section Design Series RAC SERIAL NUMBER IDENTIFICATION GUIDE Serial Number Decade Manufactured 00001 L 0 C 3 F 6 A 1 D 4 G 7 B 2 E 5 H 8 Production Run Number Year Manufactured A 1 D 4 G 7 B 2 E 5 H 8 C 3 F 6 J 9 Product Line R RAC Month Manufactured A Jan D Apr G Jul K Oct B Feb E May H Aug L Nov C Mar F Jun J Sept M Dec TECHNICAL SPECIFICATIONS PO9A AND P12A Refrigerant Locked Net Circuit Plug Face Indoor Air Cooling Capacity Dimensions Dehumidification Circulation Charge Rotor Weight Model BTU h Voltage Hz Amps Watts W x H x D Pints Hour CFM R 22 Amps Ibs Rating NEMAZ P09A 8900 115 60 8 923 19 5 x 33 6 x 15 5 42 212 18 40 5 80 125V 15A 5 15P P12A 11500 115 60 10 5 1280 19 5 x 33 6 x 15 5 42 235 24 7 40 5 86 125V 15A 5 15P Refrigerant Circuit Plug Face Cooling Capacity BTU h Voltage Hz P09B 10000 115 60 P12B 12000 115 60 10 8 11 5 Dimensions W x H x D
12. dow opened There is a source of heat operating in the room burner lamp etc orthe room is crowded The air filter is clogged The capacity of the air conditioner is not suitable for the conditions or size of the room The evaporator is frozen Close the window Remove switch off the source of heat Decrease the set temperature Clean the filter Clean the air filter Change the purifier filter if necessary Do not make the appliance operating at too low temperature below72 F The appliance is very noisy and vibrates violently The compressor bolts are loose or copper tubes are contacting other metal parts Tighten bolts Adjust copper tubes REFRIGERATOR SYSTEM DIAGRAM CAPILLARY FILTER CONDENSOR COMPRESSOR SCHEMATIC WIRING DIAGRAM CONTROL BOARD Inserted Tab Type Terminal Block EVAPORATOR 17 18 rriedrich Friedrich Air Conditioning Company P O Box 1540 San Antonio TX 78295 210 357 4400 www friedrich com PORTABLE AIR CONDITIONERS LIMITED WARRANTY FIRST YEAR ANY PART If any part supplied by FRIEDRICH fails because of a defect in workmanship or material within twelve months from date of original purchase FRIEDRICH will repair the product at no charge provided the product is transported to a Friedrich Authorized Service Center for repair ALL transportation charges are the sole responsibility of the owner This remedy is expressly agreed to
13. ectrically unsafe conditions when the power is restored and the unit is turned on even after the exterior is dry Never operate the A C unit with wet hands Use air conditioner on a single dedicated circuit within the specified amperage rating Use on a properly grounded outlet only Do not remove ground prong of plug Do not cut or modify the power supply cord Do not use extension cords with the unit Follow all safety precautions and use proper and adequate protective safety aids such as gloves goggles clothing adequately insulated tools and testing equipment etc Failure to follow proper safety procedures and or these warnings can result in serious injury or death REFRIGERATION SYSTEM HAZARDS Use approved standard refrigerant recovering procedures and equipment to relieve pressure before opening system for repair Do not allow liquid refrigerant to contact skin Direct contact with liquid refrigerant can result in minor to moderate injury Be extremely careful when using an oxy acetylene torch Direct contact with the torch s flame or hot surfaces can cause serious burns Make sure to protect personal and surrounding property with fire proof materials Have a fire extinguisher at hand while using a torch Provide adequate ventilation to vent off toxic fumes and work with a qualified assistant whenever possible Always use a pressure regulator when using dry nitrogen to test the sealed refrigeration system for leaks
14. flushing etc Make sure to follow all safety precautions and to use proper protective safety aids such as gloves safety glasses clothing etc Failure to follow proper safety procedures and or these warnings can result in serious injury or death MECHANICAL HAZARDS Extreme care proper judgment and all safety procedures must be followed when testing troubleshooting handling or working around unit with moving and or rotating parts Be careful when handling and working around exposed edges and corners of sleeve chassis and other unit components especially the sharp fins of the indoor and outdoor coils Use proper and adequate protective aids such as gloves clothing safety glasses etc Failure to follow proper safety procedures and or these warnings can result in serious injury or death PROPERTY DAMAGE HAZARDS FIRE DAMAGE HAZARDS Read the Installation Operation Manual for this air conditioning unit prior to operating e Use air conditioner on a single dedicated circuit within the specified amperage rating e Connect to a properly grounded outlet only e Do notremove ground prong of plug e Do notcut or modify the power supply cord e Donotuse extension cords with the unit e Failure to follow these instructions can result in fire and minor to serious property damage WATER DAMAGE HAZARDS e Improper installation maintenance or servicing of the air conditioner unit or not following the above Safety Warnings can resul
15. l should be placed about 1 meter or more away from TV or any electrical appliances Battery replacement Remove the cover on the back of the remote control and insert the batteries with the and poles pointing in the proper direction ane lt ID 9 15008 CAUTION IN Use only AAA or IEC R03 1 5V batteries Remove the batteries if the remote control is not used for a month or longer Do not attempt to recharge the supplied batteries All batteries should be replaced at the same time do not mix old battery Do not dispose of the batteries in a fire as they may explode WINDOW ADAPTER KIT INSTALLATION Window adapter kit An installation parts kit is packed with your unit in a separate E carton Before you discard the packaging that your unit came Window panel extensions in please locate the carton that contains these parts and m ensure that all parts are present Window panel Window panel Attaches to window opening to allow air exchange for system air transfer Window panel extensions Extends window panel fit 38 88 windows of various dimensions Screws Tube adapters Connect air exchange tubes to window panel Screws 12 screws are included for assembling the window adapter kit Some screws may be partially assembled onto window panel Air exchange tubes Exchanges air between the
16. ranty related services All service calls for explaining the operation of this product will be the sole responsibility of the consumer All warranty service must be provided by an Authorized FRIEDRICH Service Agency unless authorized by FRIEDRICH prior to repairs being made NOTES NOTES TECHNICAL SUPPORT CONTACT INFORMATION rriedrich FRIEDRICH AIR CONDITIONING CO Post Office Box 1540 San Antonio Texas 78295 1540 4200 N Pan Am Expressway San Antonio Texas 78218 5212 210 357 4400 FAX 210 357 4490 www friedrich com Printed in the U S A rriedrich FRIEDRICH AIR CONDITIONING CO Post Office Box 1540 San Antonio Texas 78295 1540 4200 N Pan Am Expressway San Antonio Texas 78218 5212 210 357 4400 FAX 210 357 4490 www friedrich com PORT ServMan 04 09 Printed in the U S A
17. rredrich Service Manual ZoneAire Model Portable Air Conditioner P09B P012A PORT ServMan 04 09 P012B TECHNICAL SUPPORT CONTACT INFORMATION rriedrich FRIEDRICH AIR CONDITIONING CO Post Office Box 1540 San Antonio Texas 78295 1540 4200 N Pan Am Expressway San Antonio Texas 78218 5212 210 357 4400 FAX 210 357 4490 www friedrich com Printed in the U S A Table Of Contents Important Safety ee he 2 4 Introduction zes ii i i 4 Unit 5 Unit Model and Serial Number 6 Technical Specifications 7 Preca tions Use 8 a A i sean detente 9 Remote Control Operation seins tia ii ee i i sine 10 Window Adapter Kit Installation eu ee 11 12 Condensation Handling nnnn 77777 13 Maintenance and 14 Troubleshooting E 15 Refrigeration System Diagram
18. t in water damage to personal items or property such e Insure that the unit has a drain hose properly connected Drain hose is optional see page 13 Do not drill holes in the bottom of the drain pan or the underside of the unit e Failure to follow these instructions can result in damage to the unit and or minor to serious property damage INTRODUCTION This service manual is designed to be used in conjunction with the installation manuals provided with each unit This service manual was written to assist the professional HVAC service technician to quickly and accurately diagnose and repair any malfunctions of this product This manual therefore will deal with all subjects in a general nature i e all text will pertain to all models Regarding the Portable Air Conditioner This Portable Air Conditioner is designed to provide a quick and easy cooling solution for areas that either do not have air conditioning or areas that the current system cannot maintain at a comfortable level This unit is also great as a back up system in case the primary cooling system should fail Other means of conditioning should be employed when the indoor temperature is either below 17 C 63 F or above 35 C 95 F This unit is designed with human comfort in mind IMPORTANT It will be necessary for you to accurately identify the unit you are servicing so you can be certain of a proper diagnosis and repair See Unit Identification UNIT IN
19. the exhaust hose Under certain conditions it is possible that the unit will not evaporate 100 of the removed moisture The unit is designed with a built in reservoir to accumulate excess condensate and help dispose of it Internal Water Level 1 Under any mode if the water level is in the low area the unit will function normally 2 If the water level is in the normal area the unit will continue to function normally while internally evaporating the condensate 3 Ifthe unit cannot evaporate all of the condensate internally the tank may become full If the tank becomes full the unit will turn off and the Water Full light will illuminate Drain Valve Draining Water The water can be drained from the unit by removing the base stopper and letting the water drain by gravity 1 When the WATER FULL lamp is on unplug the unit and move the unit to a suitable location for draining the condensation 2 Using the gravity drain method ensure that the base stopper is located above a suitable area for draining the condensate and remove the stopper Re install the stopper once all water has drained 3 Return the unit to the original location and restore power and duct connections 4 The WATER FULL indicator should be off and the unit will return to normal operating mode Permanent Drainage For permanent and continuous drainage a 1 2 hose may be attached to the unit and led down a drain 13
20. unit and outdoors Minimum window extension 26 Maximum window extension 46 Minimum hose extension 20 Maximum hose extension 60 Air Exchange Tubes Instructions for assembling the window adapter kit Back of 1 Insert tube adapters through the back of the window panel m window panel 2 Secure each tube adapter with four screws through the L L d b front of the window panel no 3 Insert window panel extensions into window panel Lightly um tighten the screws in the window panel to hold the extensions in place Tube Adapters Window Panel Window Panel Extension screws Extension u Window Panel INS 12 Installing the window adapter kit Note The window adapter kit must be installed and connected for the air conditioner to work properly in Cool mode The window adapter kit is not required when using the unit in Dehumidify or Fan modes Your window adapter kit has been designed to fit most standard vertical and horizontal window applications However it may be necessary for you to modify some aspects of the installation procedures for certain t
21. urely into the AC socket before using the unit when it beeps after two seconds press ON OFF button the unit begins to run LCDI power cord information All Friedrich portable air conditioners are shipped from the factory with a Leakage Current Detection Interrupter LCDI equipped power cord The LCDI device meets the UL and NEC requirements for cord connected air conditioners effec tive August 2004 To test your power supply cord 1 Plug power supply cord into a grounded 3 prong outlet 2 Press RESET See drawing below 3 Press TEST listen for click Reset button trips and pops out 4 Press and release RESET listen for click Reset button latches and remains on The power supply cord is ready for operation NOTE LCDI device is not intended to be used as a switch Once plugged in the unit will operate normally without the need to reset the LCDI device If the device fails to trip when tested or if the power supply cord is damaged it must be replaced with a new supply cord from the manufacturer We recommend you contact our Technical Assistance Line at 800 541 6645 To expedite service please have your model and serial number available WARNING NEVER CUT OR REMOVE THE GROUNDING PRONG FROM PLUG NEVER USE EXTENSION CORDS TO OPERATE AN AIR CONDITIONER Reset Button Room Temp Set Temp Timer On Off ON E Timer Adjust Temp Timer Mode control The mode control has three settings Cool
22. ypes of windows 1 Open window 2 Place window panel with extensions into window frame and adjust to width of window Window adapter kit may be installed vertically as well as horizontally This installation may also be used for crank style windows 3 Tighten the four screws on the window panel to secure the window panel extensions 4 Close window 5 The window adapter kit should now fit securely within the window frame and you can now attach the air exchange tubes If you are having trouble attaching the air exchange tubes you may attach the tubes prior to installing the window adapter kit Attaching the air exchange tubes to the air conditioner 1 Attach the tubes to the window adapter kit 2 Attach the other end to the air conditioner To attach air exchange tubes push tube onto tube adapter and twist until the tab is in place in the hole on the tube To remove air exchange tubes twist the end until the tab is clear of the hole in the tube and pull off Do not attach the tubes if using the unit in dehumidify mode Maintain a clear distance from walls furniture etc of at least 10 inches around the unit to allow proper air circulation and prevent damage to the unit Important Do not over stretch the exhaust tube or make any unnecessary bends in it CONDENSATION HANDLING Your ZoneAires Portable Air Conditioner is designed to evaporate the condensation removed from the interior space through
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