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Panasonic CS-UW12GKE air conditioner

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1. 2 8 EI E 5 2 6 2 4 5 2 2 G 5 o 3 3 BEEN 3 4 5 6 7 8 9 10 PIPING LENGTH m Condition Room temp 27 19 C Cooling operation at high speed 15 14 LP Gas side piping O Outlet air temp C pressure Mpa CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE m Operation characteristics CS CU UW12GKE Cooling characteristics Piping Length Characteristics sms 3 8 H 32 2 81 LP Gas side piping O Outlet air temp C pressure Mpa Current Q Cooling capacity KW 7 0 6 0 5 0 4 0 30 32 34 36 38 40 42 44 Outdoor temp C Condition Room temp 27 19 Cooling operation at high speed Piping length 7 5m e Heating characteristics 230V 11 E Fri s 8 Sap ot bert LLL 9 Ds CCCP TTT 28 LL 9 z UI III 8 DT TLLLLLLLLLELELELLL 4 2 0 2 4 6 8 10 Outdoor temp Condition Room temp 20 C Heating operation at high speed Piping length 7 5m my CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 14 E
2. 14 Inch G gas side3 8 G gas side3 8 Piping Size Flare piping Inch L liquid side1 4 L liquid side1 4 DrainHose InnerDiameter 58 ___ Length m 96 Power Supply Cord Length m 1 3 Number of core wire 3 core wire 1 0mm Net Weight kg 7 5 7 Rotary 1 cylinder Rolling piston type 50 Motor Type Induction 2 pole Rated output W Air Circulation type Cross flow fan Propeller fan Viotor type Induction 4 pole Induction 6 pole Rated Output 13 940 60 p Speed 1090 60 D High rpm 123060 80060 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE Unt CSUW9GKE 1 CU UW9GKE TM Description Evaporator Condenser Exchanger uubeMaterial 11 Copper Copper ___ Cormugationtype Rows Stage Plate fin configuration forced draft 2x12 2X24 EPI 1118 148 Dimensions 610x252x25 4 a ______ ______ Refrigerant Control Device 7 Capillary Tube 320 Refrigeration Oil Refrigerant R410A H C 800 Thermostat Electronic Control O L P 230V 37A Protection Device Length mm 2 1 Circulation e 10 040 2 7 5 02 ______ ______ 609 140 720 10 Diameter Air Filter P P Honeycomb 0 _ Refrigerant Circulation Control Device Capillary Compressor Capacitor BFV 309HF 370V Fan Motor Capacitor UE V 2 0HF 400V 1 4 1 3 e Specifications are
3. Sleeve x Bushing Sleeve 59 Putty Gum type sealer 59 F lt LAN EC Bend the pipe as closely the wall as possible but be careful that it doesnt break Left and right are identical Insulation of piping connections Carry out insulation after checking for gas leaks and secure with vinyl tape Vinyl tape Wide X Apply after carrying out a drainage test To carry out the drainage test remove the air filters and pour water into the heat exchange r X Vinyl tape CERA N Saddle 59 Connecting cable 5 CORE WIRE 1 5 mm Type designation 245 IEC 57 or heavier cord Additional drain hose X 1 4 Liquid side piping EEG Gas side piping 3 8 Fig 1 e This illustration is for explanation purposes only The indoor unit will actually face a different way 31 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 9 2 INDOOR UNIT 9 2 1 SELECT THE BEST LOCATION 9 23 TO DRILL A HOLE IN THE WALL Refer to Select the best location AND INSTALL A SLEEVE OF section PIPING 9 2 2 HOW TO FIX INSTALLATION PLATE 1 Insert the piping sleeve to the hole The mounting wall is strong and solid enough to prevent it from 2 Fix the bushing to the sleeve the vibration 3 Cut the sleeve until it extrudes about 15 mm from wall more than 450mm more than 450mm Caution When the wall is hollow please be sure to use the
4. gt 2 E 2 o o D o D 2 O Outdoor Heat Exchanger Compressor Indoor fan Outdoor fan Operation Indicator 4 way valve lt Operation status gt Blink a i Overload control i l Overload deicing timer 2221 Operation A I m Warm booting control m r Overload control 95 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 8 4 Automatic Mode Operation Standard for Determining Operation Mode FirstDetermination Setting Temperature Standard Cooling mode 2316 Mun ML Cooling mode temperature Soft Dry mode 20 Heating mode Heating mode Second Determination One hour after the above determination the unit will operate according to the table below Second Determination Cooling 23 or above 23 C below determination A Indoor fan operates at super low speed for 25 seconds B After judging indoor air temperature the operation is determined and operation continued at the mode determined C lf indoor temperature is less than 16 C heating operation will immediately operate D After the operation mode has been determined the mode does not change However Soft Dry mode operation includes cooling mode operation E If automatic mode operation is started while the unitis operating operation will continue If current operation is in cooling mode including the cooling mode
5. 1 T Tr T U T Y 1 1 I kl kk 4 ale Qe len ss La 1 1 ahud d a nd 1 4 Lo 1 D N NI V d 1 1 I 1 1 r 1 I 1 I I I 1 1 1 Il I CN cO lt N cO CN CN CN CN 18 20 22 24 26 28 Temperature setting 16 55 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE Current A Q Cooling capacity kW Q Heating capacity KW current Operation characteristics CS CU UW9GKE Cooling characteristics E _ Tt LL a m EIN 30 32 34 36 38 40 42 4 Outdoortemp Condition Room temp 27 19 C Cooling operation at high speed Piping length 7 5m Heating characteristics 230V ty N ES L NEL 4 2 0 2 4 6 8 10 Outdoor temp C Condition Room temp 20 C Heating operation at high speed Piping length 7 5m PT IN LIA O Outlet air temp C pressure Mpa os po O Outlet Air temp C Pressure Mpa 56 Piping Length Characteristics kS Na
6. 4 When the nitrogen gas is flowing be sure to keep the piping end open 5 Adjust the flow rate of nitrogen gas so that it is lower than 0 05 m h or 0 02 MPa 0 2 kgf cm by means of the reducing valve 6 After taking the steps above keep the nitrogen gas flowing until the piping cools down to a certain extent i e temperature at which pipes are touchable with finger 7 Completely remove the flux after brazing Reducing valve M Flow meter from the nitrogen cylinder Stop valve sef gas Rubber plug sealing Cautions during brazing 1 General Cautions a The brazing strength should be high as required b After operation airtightness should be kept under pressurized condition c During brazing do not allow component materials to become damaged due to overheating d The refrigerant pipe work should not become blocked with scale or flux e The brazed part should not restrict the flow in the refrigerant circuit f No corrosion should occur from the brazed part 2 Preventing of Overheating Due to heating the interior and exterior surfaces of treated metal may oxidize Especially when the interior of the refrigerant circuit oxidizes due to overheating scale occurs and stays in the circuit as dust thus exerting a fatally adverse effect So make brazing at adequate brazing temperature and with minimum of heating area 3 Overheating Protection In order to
7. Jossaidwoy ZHOS AO COV AlddNS 15 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE CS UW12GKE Jossaidwoy HOOCGNI COCHNZ 00455 3 ZHOS AOECOV Alddfil 10j89Ipu 1913409 16 7 Wiring Diagram CS CU UW9GKE CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE WIRELESS REMOTE _ I M Be s ELECTRONIC CONTROLLER i COMPLETE g a ol 8 j 2 THREE STEPPING S INDICATOR MOTOR COMPLETE 1 o POWER SUPPLY 2 i 230V 50Hz X 6 i SEN aa FAN MOTOR FUS GE I T3 15A L250V 01 1 Cr201 a w s 3 x FM BLU i I 55 x N d 1T 1 275 4 6299 Y G O TERMINAL BOARD O 6 INDOORUNIT u ANE Ee OUTDOOR UNIT 4 L 2 N Des BL BLACK G GREEN B BLUE Y YELLOW S BR BROWN W WHITE o ORANGE Y G YELLOW GREEN 2 BLUE RED OUTDOOR UNIT _ INDOOR FAN MOTOR RESISTANCE 9 397 OUTDOOR FAN MOTOR RESISTANCE 9 m E
8. sleeve for tube asses to prevent dangers caused by mice biting the connecting cable Installation Re 4 Finish by sealing the sleeve with putty or caulking compound at the final stage For Models CS UW9GKE More than 450 mm More than 450 mm Screw 2 Sleeve for tube ass y For Models CS UW12GKE The centre of installation plate should be at more than 450 mm at right and left of the wall The distance from installation plate edge to ceiling should more than 67 mm From installation plate left edge to unit s left side is 62 mm CS UW9GKE or 98 CS UW12GKE F installati late right edge t it s right is 79 CS a E 9 24 INDOOR UNIT INSTALLATION For left side piping piping connection for liquid should be 1 For the right rear piping about 10 mm from this line For left side piping piping connection for gas should be Pull out the Indoor piping Bushing for tube ass y 670 through hole Putty or caulking compound about 45 mm from this line For left side piping piping connecting cable should be about 785mm CS UW9GKE or 800mm CS UW12GKE Install the Indoor Unit from this line 1 Mount the installation plate the wall with 5 screws Ho Secure the Indoor Unit If mounting the unit on the concrete wall consider using 5 anchor bolts Insert the connecting cable
9. when the compressor restarts 19 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE Time Graph for Cooling Operation 8 2 Operation area Set temperature Stop Intake airtemperature Start 1 96 Evaporater temperature 2C SSS mu Ed 1077 Operation status gt Time d g Time delay safety control Z g h Compressor Test control Operate h o Auto restart control q t A Anti freezing Control Stop Soft Dry Mode Operation COOLING DRY OFF When selecting Soft Dry mode operation the operation will be cooling until the room temperature reaches the set temp on remote control and then Soft Dry will be activated During Soft Dry Mode the fan of indoor unit will operate at super low speed soft dry mode will run less than 10 minutes Once Soft Dry mode operation is turned off indoor fan compressor and outdoor fan will stop for 6 minutes Time Delay Safety Protection e During cooling mode operation if the compressor ceased it willnotrestart within 3 minutes Anti Freezing Control Sameasthe denotation in Cooling Operation P19 During Soft Dry Mode Operation compressor will stop for at least 6 min 20 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE Automatic Fan Speed e During Soft Dry Operation use remote controller to select Auto Fan Speed mode Indoor Fan
10. 18 20 16 Temperature setting Heating mode 1T 4 i T ee a O J oS o 9 2 T EZ E gt oo 0 I I I i MK av TT Tq F e e fb d es bessie kt 1 22 22202 2 42 212 A _ LLJ l ILL ILL I l I I I I I 4 4 34 r r 4 7 T 4 r J rT 1 Bc ele DE DE 1 1 I 1 LI JI rN L I l cod ee i ot 1 l I 1 1 r 1 I r a r ee tee ee I I ied m le Ld L J 1 I I 1 1 1 1 I 1 en 1 1 ot en ba en sl en el rs rs ba ss es selen rs fb sl en vele K LJ IEF a 1 1 I NO LL ILL I I l 1 I
11. 29 10 2 way 3 way Valve T 39 11 Disassembly of The Parts 50 Panasonic Page 12 Troubleshooting Guide 53 13 Technical Data 55 14 Exploded View 58 15 Replacement Parts List 59 16 Exploded View TT 60 17 Replacement Parts List 61 18 Exploded View 62 19 Replacement Parts List 63 20 Exploded View r rr 64 21 Replacement Parts List 65 Panasonic Home Appliances Air Conditioner Guangzhou Co Ltd All rights reserved Unauthorized copying and distribution is violation of law 1 Features High Efficiency Auto Restart Control Automatically restart after power failure 12 hour Timer Setting Enviromental Friendly For Refrigerant R410A Model Zero ozone depleting potential and low global warming potential by using R410A refrigerant Comfort Environment Air filter with function to reduce dust and smoke CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 2 Functions Remote Control CANCEL TIMER SET FAN SPEED AIR SWING Air OFF ON SWING Operation START ST
12. 410 1 2 UNF 20 threads so it can also be used for conventional refrigerant charging Fig 7 Electronic scale for refrigerant charging There are two types of electronic scales one for 10 kg cylinders and one for 20 kg cylinders The 10 kg cylinder is recommended Refrigerant charging is done manually by opening and closing the valve 9 Refrigerant cylinders The R410A cylinders are labeled with the refrigerant name and the coating color of the cylinder protector is pink which is the color stipulated by ARI of the U S Cylinder equipped with a siphon tube are available to allow the cylinder to stand upright for liquid refrigerant charging Fig 8 Refrigerant cylinders 10 Charging orifice and packing for refrigerant cylinders The charging orifice must match the size of the charging hose fitting 1 2 UNF 20 threads The packing must also be made of an HFC resistant material Fig 9 Charging orifice and packing 10 2 3 R410A Tools Which Are Usable for R22 Models Table 9 R410A tools which are usable for R22 models R410A tools Usable for R22 models OK OK 9 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 10 3 REFRIGERANT PIPING WORK 10 3 1 Piping Materials It is recommended that you use copper and copper alloy jointless pipes with a maximum oil adherence of 40 mg 10m Do not used pipes that are crushed deformed or discolored especially the inside surface If
13. 5 m 9 lo 2 O C O n 2 gt co lt U gt 2 4 2 o 2 o gt S gt v 5 5 8 7 w gt O 2 ES 2 5 m 0 3 o 0 H mi o 9 T 2 P e 7 A 2 lt R L 246 2 Ir r o m gt 2010 gt 3 Im lt TI 2 2 A n TI 2 D O Note 1 All parts are suppliedfrom P R China 2 marked parts arerecommended to be keptin stock 61 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 18 Exploded View CS UW12GKE ma 11 ma 11 ma ma a esu esu maj 65 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 19 Replacement Parts List CS UW12GKE No PARTNAME DESCRIPTON cs uwi2GKE 6 DISCHARGE GRILLE compLETE 4 _ 2 23 7 _ enen 8 1 652160 9 HORIZONTAL 1 __ 10 HORZONTALVANEWEFT 4 _ _11 veRrcALVawE 13 _ 1 _15 _ 1 __ 16 PowERsuPPLYcORDCOMPLETE 1 cwmoc2e02 17 INDICATORHOLDER FRONT 1 18 INDICATOR HOLDER BAack 4 cwposz722 _ 19
14. Fig 3 Cap Fig 3 2 Release the two screws under the both caps Fig 4 Fixing Screw Fig 4 3 Pull out the front grille from the unit body Fig 5 a CH Front Grille Fig 5 50 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE Removal Procedure For Electronic Controller 1 Remove indicador complete After removing the front grille loose the screw behind the indicator the whole indicator can be released Fig 6 Indicator Complete 2 Remove the cover of control board and holder 3 Break off the earing release the holder slightly Be sure to avoid cracking of the holder Fig 7 S Holder Earing 4 Releasetheleadwire CN FM CN VF CN STM CN DISPand earth wire Yellow Green Take out the sensor from the socket Pull out the whole electronic controller 5 Remove the whole control board Loose the screw s of control board earings slightly then the whole control board can be pulled out Removal Procedure For the Discharge Grille 1 Separate the drain hose and the drain plate Fig 10 Fig 10 2 Pull outthe discharge grille slightly Fig 11 Fig 11 51 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE Removal Procedure For Cross Flow Fan fixing board 1 Release the two fixing screws disassembly the fixing boardfrom evaporator on the left side of the evaporator and pull out the whole evaporator Fig 12 Screw 2 Loose the fi
15. e Keep pressing this button for 15seconds to switch off Auto Restart Control To resume Auto Restart Control repeat the above step 30 and 34C indoor fan will run at Super Low or Low speed When temperature of evaporator reaches 34 C Operation Indication Lamps Warm Booting Operation ends e Power green Lights up in operation Blinks during Test Run operation and Indoor Fan Speed Control determining Auto Operation mode e High Med Low 4 Auto Fan Speed operation Airflow Direction Control Operation Mode e Automatic Airflow Direction Control The louver automatically swings up and down e Cooling Heating Soft Dry Auto Operation PORE Delayed On timer Control Time Delay Safety Control e For cooling or soft dry mode the unit The unit will restart operation in 3 4 starts 15 minutes before the set time with minutes after each pause the remote control but for heating mode 30 minutes before th ttime 7 Minutes Time Save Control minutes betore the set time e minutes automatic restarting at Cooling Operation CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE Outdoor Unit FTT M H NI ole LL ELS EIL E nsum BAR LI d E NL CU UW9GKE CU UW12GKE Anti reverse Protection Overload Protection Control e To prot
16. observe the following precautions to ensure safety 1 Do notuse refrigerant other than RA10A in Acs thathave been used with R410A 2 If any refrigerant gas leaks while you are working ventilate the room Toxic gas may be generated if refrigerant gas is exposed to a direct flame 3 When installing or transferring an do not allow any air or substance other than R410A to mix into the refrigeration cycle If it does the pressure in the refrigeration cycle can become abnormally high possibly causing an explosion and or injury 4 After finishing the installation check to make sure there is no refrigerant gas leaking 9 When installing or transferring an AC follow the instructions in the installation instructions carefully Incorrect installation can result in an abnormal refrigeration cycle or water leakage electric shock fire etc 6 Do not perform any alterations on the AC unit under any circumstances Have all repair work done by a specialist Incorrect repairs can result in an water leakage electric shock fire etc 10 2 TOOL FOR INSTALLING SERVICING REFRIGERANT PIPING 10 2 1 Necessary Tools In order to prevent an from mistakenly being charged with any other refrigerant the diameter of the 3 way valve service port on the outdoor unit has been changed Also to increase its ability to withstand pressure the opposing dimensions have been changed forthe refrigerant pipe flaring size and flare nut Accor
17. 2 INSTALL THE OUTDOOR UNIT After selecting the best location start installation according to Indoor Outdoor Unit Installation Diagram 1 Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut 210 mm 2 When installing at roof please consider strong wind and earthquake Please fasten the installation stand firmly with bolt or nails Unit mm wes e 5 9 3 3 CONNECTING THE PIPING Connecting The Piping To Indoor Unit Please make flare after inserting flare nut locate at joint portion of tube assembly onto the copper pipe In case of using long piping Connect the piping Align the center of piping and sufficiently tighten the flare nut with fingers Further tighten the flare nut with torque wrench in specified torque as stated in the table 21 42 wrench Spanner or wrench Piping size Torque 3 8 42 N m 1 4 18 N m Connecting The Piping To Outdoor Unit Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare after inserting the flare nut located at valve onto the copper pipe Align center of piping to valves and then tighten with torque wrench to the specified torque as stated in the table CS UWSGKE 7 CU UWSGKE CS UW12GKE CU UW12GKE CUTTING AND FLARING THE PIPING B improper flaring B 1 Please cut using pipe cutter and then remove burrs T a M
18. 5 5 kgf m 3 Electric drill hole core drill 7 Reamer 11 Thermometer 15 Vacuum pump 870 mm 4 Hexagonal wrench 4 mm 12 Megameter 16 Gauge manifold 9 1 Safety Precautions Read the following SAFETY PRECAUTIONS carefully before installation Electrical work must be installed by a licensed electrician Be sure to use the correct rating of the power plug and main circuit for the model to be installed The caution items stated here must be followed because these important contents are related to safety The meaning of each indication used is as below Incorrect installation due to ignoring of the instruction will cause harm or damage and the seriousness is classified by the following indications N WARNING This indication shows the possibility of causing death or serious injury This indication shows the possibility of causing injury or damage to properties only The items to be followed are classified by the symbols L Symbol with background white denotes item that is PROHIBITED from doing Carry out test running to confirm that no abnormality occurs after the installation Then explain to user the operation care and maintenance as stated in instructions Please remind the customer to keep the operating instructions for future reference N WARNING Engage dealer or specialist for installation If installation done by the user is defective it will cause water leakage electrical shock or fire Install accor
19. COMPRESSOR TERMINAL 11 Resistance c 0 10 20 30 40 50 Temperature C gt D Outdoor Pipe Temp Sensor Indoor intake Outdoor air sensor 8 pipe Temp Sensor 20 E 10 0 10 Remark CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE INDICATOR COMPLETE CN DISP POWER vdd COR 230 C b o C FUSE 15 L 250 MOT EC rama 58 202 C NN TE AUTO SW TERMINAL BOARD Hie E LT ER EE enn s EAT Cw Tam eo m P E R RED 5 S BL BLACK 5 BLUE d 3 R 5 BR BROWN BLUE RED L FAN MOTOR a O ORANGE YJ D TRADE MARK S COMPRESSOR TERMINAL CAPACITOR 5 x eros OUTDOORUNIT INDOOR FAN MOTOR RESISTANCE 2 CS UW12GKE CONNECTING CWA921378 Y B M 419 8 Y R 304 4 Resistance OUTDOOR FAN MOTOR RESISTANCE 9 CONNECTING CWA951427 0 0 Temperature 10 Remark 20 VENTILATOR INTERLOCKING UNIT OPTIONAL INDOOR UNIT GRY GREY GREEN Y YELLOW W WHITE YIG YELLOW GREEN Sensor Thermistor characteristics 30 D Outdoor Pipe Temp Sensor Indoor intake Outdoor air sensor 8
20. Condenser Exchanger 11 Copper 1 ___ Cormugationtype Rows Stage Plate fin configuration forced draft 2x15 2X24 EPI 1120 j J 18 Dimensions 610x252x25 4 E X504x36 4 Refrigerant Control Device 7 Capillary Tube Refrigeration Oil R868A Freol Alpha68M 320 cm 9 Refrigerant R410A Thermostat Electronic Control O L P 230V 37A Protection Device _ __ Length st 655 10 510 10 Circulation 9 5 0 2 10 8 0 2 Inner Diameter 1 4 1 4 Air Filter P P Honeycomb _ Refrigerant Circulation Control Device Capillary Compressor Capacitor SOV Fan Motor Capacitor V 1 5uF 400V 2 0HF 400V 60g for air purging is not included Specifications are subject to change without notice for further improvement CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 4 Dimensions Indoor Unit CS UW9GKE Unit mm Top view 5 lt D Side view 205 Panasonic Hole o n 2 ptos 61 SM Air outlet x Left Piping Hole 250 Bottom Piping Hole Se 61 165 Installation Plate Hook Ki EK L STIA 229 2 0 3 229 2 0 3 118 2 83 2 0 5 10 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE Indoor
21. Indoor pipe Temp Sensor 18 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 8 Operation Details 8 1 Cooling Mode Operation When selecting the Cooling Mode Operation the unit will operate according to the setting by the Remote Controller or the control panel on the indoor unit and the operation is as the following Time Delay Safety Control e 3min Ifthe compressor stops it will not restart within 3 minutes Protection of compressor 7 Minutes Time Save Control min The unit will automatically operate 7 minutes even if the room temperature is not reached Prevention of raising the humidity Temperature Anti Freezing Control Evaporator Restart e if temperature of evaporator 15 lower than 2 C continuously C 10 for 4 minutes the compressor will cease to preventthe evaporator fromfreezing Fan speed setting will not be 4 minutes changed e When temperature of evaporator reaches 10 C compressor will restart Compressor ceases During Cooling Mode Operation the Time Delay Safety Control is available Time Automatic Fan Speed Mode During Cooling Mode Operation use remote controller to select Automatic Fan Speed Fan speed will be at the point between High speed and Medium speed e Deodorization control Indoor Fan l Compressor ON STOP n x 1 Fan speed will be at Hi till the compressor ceases set temperature reached 2 Fan speed will be at Me
22. NpcATORPCB 1 22 CONTROLBOARDFRONTCOVER 1 _____ 23 ToPCOVER 1 25 rRoNTGRILECOMPLETE __ 1 26 gt wonse 27 scREwrRONTGRLLE 2 quas 28 carmoNTGRILE 2 ____ 29 pRaNHOSE ___ 1 jcwusstoos _____ 30 oPERATNGiNSTRUTONS 1 cwrseses2 _ 31 oPERAmNGiNSTRUTONS 1 32 Just anon INSTRUCTION 4 33 wsrALLATONINSTRUCTION 4 cwro2270 NsrALATONINSTRUCTON 1 Joresenn _35 NSTALLATONPLATE 1 Note 1 All parts are supplied from China 2 marked parts arerecommended to be keptin stock 63 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 20 Exploded View CU UW12GKE DN 2 42 a AA el 222 22 gi I Mi iil Wl il il ail 1 A is T HHI 2 fil MES 4 4 64 11 AT i lli mu r se CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 21 Replacement Parts List CU UW12GKE PART NAME amp DESCRIPTION Q TY CHASSIS ASS Y CU UW12GKE NUT PROPELLER FAN COMPRESSOR 2 w
23. Speed is Lo Slo Slo OFF OFF T E Z o lo Alo de ak A HMM MM LL LL O co e c 2 2 NIT oO EIS Compressor Time Graph for soft dry operation GL LIT e EE ESSE Win SS E up pet RX eo O 5 D eo gt 5 o __ ___ SSS _ Lsll LTE p 1 e 5 gt o SG c gt 5 o C LL lt 2 o 5 S 2 Q 76 I SC O 5 6 gt E go 8 k 5 9 or 8 0 lt c c x LO 5 lt lt e Operation status Operate Cooling Mode Operation Soft Dry Mode Operation a c p r Stop Soft Dry Mode Operation Stopped Compressor Test Operation Control Anti Freezing Control e f 1 1 q CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 8 3 Heating Mode Operation When selecting the Heating Mode Operation the unit will operate according to the setting by the Remote Controller and the operation is as the following Time Delay Safety Control fthe compressor stopped by switching
24. e Always mount the installation plate horizontally by aligning the marking off line with the thread and using a level gauge 2 For the right and right bottom piping 2 Drill the piping plate hole with 270 mm hole core drill MPE Pull out the Indoor piping e according to the arrows marked the lower left and right side of the installation plate The meeting point g of the extended line is the centre of the hole Another Install the Indoor Unit method is by putting measuring tape at position as g shown in the diagram above The hole centre is Insert the connecting ______ obtained by measuring the distance namely 105 mm gy and 145mm for left and right hole respectively CS UWS9GKE 150mm and 125mm for CS UW12GKE Secure the Indoor Unit e Drill the piping hole at either the right or the left and the hole should be slightly slanted to the outdoor side 32 3 For the embed ded piping Replace the drain hose Bend the embedded piping e Use a spring bender equivalent to bend the piping so that the piping is not crushed Install the Indoor Unit Cut and flare the embedded piping When determing the dimension of the piping slide the unit all the way to the left on the Installation plate Refer to the section Cutting and flaring the piping Pull the connecting cable into Indoor Unit 5 inside and outside connecting cable can be connected without
25. operation when is a part of Soft Dry mode operation it will be maintained and if current operation is not cooling mode the appropriate operation mode is determined for 25seconds at super slow fan speed Then selected mode will continue F Room temperature adjustment Higher 12C Standard 0 Lower _ 2 B CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 8 5 About Cursor Key Which Points To OFF On Remote Control When the ON OFF button the remote control is pressed the cursor key which points to OFF will appear or disappear to indicate the ON OFF status of the air conditioner Forsome reason Ex The signal of the remote control does not reach the signal receiver of the indoor unit the display of the remote control will not correspond with the actual ON OFF status of the indoor unit 1 The air conditioner is running but the cursor key which points to OFF appears The air conditioner can be stopped with any button Exceptfor TIMER SET TIMER pressed 2 Theairconditioner is on standby cursor key which points to OFF disappears The air conditioner can be started with any button Except for ON OFF TIMER SET TIMER OFF pressed 8 6 Indoor Fan Motor Control Automatic fan speed control When automatic fan speed set the available range for fan speed is from Hi to Slo e Manual Fan Speed Control Basic fan speed
26. prevent components near the brazed part from overheating damaged or quality deterioration due to flame or heat take adequate steps for protection such as 1 by shielding with a metal plate 2 by using a wet cloth and 3 by means of heat absorbent 4 Movement during Brazing Eliminate all vibration during brazing to protect brazed joints from cracking and breakage 5 Oxidation Preventative In order to improve the brazing efficiency various types of antioxidant are available on the market However the constituents of these are widely varied and some are anticipated to corrode the piping materials or adversely affect HFC refrigerant lubricating oil etc Exercise care when using an oxidation preventive 10 4 7 Servicing Tips The drier must also be replaced whenever replacing the refrigerant cycle parts Replacing the refrigerant cycle parts first before replacng the drier The drier is supplied in a vacuum pack Perform brazing immedately after opening the vacuum pack and then start the vacuum within two hours In the drier also needs to be replaced when the refrigerant has leaked completely 49 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 11 Disassembly of the parts 1 Open the intake grille and pullitto the horizontal position Fig 1 2 Pullup the intake grille until itfalls off Fig 2 Fig 2 Removal Procedure For Front Grille 1 Remove the two caps at the discharge port right and left
27. removing the front grille Connect the piping y Please refer to Connecting the piping column in outdoor unit section Below steps are done after connecting the outdoor piping and gas leakage confirmation Insulate and finish the piping Please refer to Piping and finishing column of outdoor section and Insulation of piping connections column as mentioned in Indoor Outdoor Unit Installation Secure the Indoor Unit Pull out the piping and drain hose 1 Centre of the piping hole left rear side of piping Move the drain hose near to arrow mark and tape it with piping in a position as mentioned in Fig below UNA xS RS Cover for the left piping Cover for Cover for the bottom piping the right piping Make sure do not fasten and collect the power supply cord into the piping trough otherwise it will cause heat or fire The power supply cord must not be stucked at the 2 clip on positions and overly exposed between the mounting plate and the indoor unit Abnormal noise may be produced Cover for piping How to keep the cover In case of the cover is cut keep the cover at the rear of chassis as shown in the illustration for future reinstallation Left right and 2 bottom covers for piping Insert the connecting cable Connecting cable Gas side piping Liquid side piping Guide surface Connecting cable Drain hose Length of Gas side conncting cable pipi
28. subject to change without notice for further improvement CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE CU UW12GKE CS UWI2GKE k k Cooling Capacity 3 30 Heating Capacity 3 70 Moisture Removal cO Ao us Power Source Cycle en Airflow Method SIDE VIEW TOP VIEW Air Circulation Ingoor Air low m min m min W cO 2 gt a A m ed Indoor Air medium Indoor Air high m min m min O N Outdoor Air Cooling high39 Low32 Cooling high49 Noise Level dB A Heating high39 Low31 Heating high50 TEN Data em Running Current Ends E E Starting Current i S Inch G half union3 8 G 3 way valve3 8 Piping Connection Port Flare piping L halfunion1 4 L2 way valve l ER Inch G gas side3 8 G gas side3 8 Piping Size Flare piping Inch L liquid side1 4 L liquid side1 4 DrainHose InnerDiameter mm 14 00 Lengi m 96 Power Supply Cord Length m 1 3 Number of core wire core wire 1 0mm Di Net Weight kg 9 j 3 Rotary 1 cylinder Compressor mi Reng piston pe Motor 2 pole Rated output WI __ _ 90 Motor type D Induction 4 pole Induction 6 pole ppt Rated Output Fan 980 60 Speed 1090 60 27 1260 60 80060 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE Unt CSUW2GKE CU UW12GKE TM Description 3 Evaporator
29. these inferior pipes are used impurities may clog the expansion valves or capillaries Because the pressure of ACs using R410A is higher than those using R22 it is essential that you select materials that are appropriate for these standards The thickness of the copper tubing used for R410A is shown in Table 10 Please be aware that tubing with a thickness of only 0 7 mm is also available on the market but this should never be used Table 8 Difference between R410A and conventional charging hoses Soft pipe Thickness mm Nominal diameter Outside diameter mm 410 Reference R22 10 3 2 Processing and Connecting Piping Materials When working with refrigerant piping the following points must be carefully observed no moisture od dust must be allowed to Outer diameter enter the piping and there must be no refrigerant leaks 1 Procedure and precautions for flaring work a Cut the pipe Use a pipe cutter and cut slowly so the pipe will not be deformed b Remove burrs and clean shavings from the cut surface If the shape of the pipe end is poor after removing burrs or if shavings adhere to the flared area it may lead to refrigerant leaks To prevent this turn the cut surface downward and remove burrs then clean the surface carefully Clamp bar Fig 10 Flaring dimensions Insert the flare nut be sure to used the same nut that is used on the AC unit d Flaring Check the clamp bar and the cleanliness o
30. unit a Collecting the refrigerant into the outdoor unit by pumping down The refrigerant can be collected into the outdoor unit pumping down by pressing the TEST RUN button even when the temperature of the room is low Check to make sure that the valve stems of the 2 way valve and 3 way valve have been opened by turning them counter clockwise Remove the valve stem caps and check to see that the valve stems are fully opened position Always use a hex wrench with 4 mm opposing sides to operate the valve stems Press the TEST RUN button on the indoor unit and allow preliminary for 5 6 minutes TEST RUN mode After stopping the operation let the unit sit for about 3 minutes then close the 2 way valve by turning the valve stem in the clockwise direction e Press the TEST RUN button on the indoor unit again and after 2 3 minutes of operation turn the valve stem of the 3 way valve quickly in the clockwise direction to close it then stop the operation Tighten the caps of the 2 way valve and 3 way valve to the stipulated torque Remove the connection pipes liquid side and gas side 2 Installing the unit Install the unit using new refrigerant piping Follow the instructions in section 4 1 to evacuate the pipes connecting the indoor and outdoor units and the pipes of the indoor unit and check for gas leaks 10 4 3 AC Units Replacement Using Existing Refrigerant Piping When replacing and 410 unit with a
31. valve service port then open both the 2 way valve and 3 way valve 1 4 Turn the valve stem in the counter clockwise direction until it gently makes contact Do not turn it forcefully f Tighten the service port cap with a torque wrench 18 N m 1 8 kgf m 5 Then tighten the 2 way valve and 3 way valve caps with a torque wrench 42 N m 4 2 kgf m or 55 N m 5 5 kgf m g After attaching each of the caps inspect for a gas leak around the cap area 5 6 Precautions Be sure to read the instructions for the vacuum pump vacuum pump adaptor and manifold gauge prior to use E and follow the instructions carefully 2 2 valve 4 sure that the vacuum pump is filled with up to Sec Hex wrench the designated line on the oil gauge E The gas pressure back flow prevention valve on the Ka Ground screw Caps 6 charging 15 generally open during use you Zar 3 way valve 1 are removing the charging hose from the service port it I E Ground wire will come off more easily if you close this valve Low pressure High pressure Service gauge gauge valve core 2 2 1MPa amp 76mHg Handle Lo Charging 2 X hose Vacuum pump adaptor 3 Vacuum M 1 _ Fig 12 Vacuum pump air purging configuration 46 CS UWSGKE CU UWSGKE CS U W12GKE CLUW12GKE 10 4 2 Transferring Using New Refrigerant Piping 1 Removing the
32. E x 1 5 flexible cord type designation 245 IEC 57 or heavier cord The attached wire 6 with two connectors should be applied loo Color of wires O O Terminals on the outdoor unit Connector 3 Secure the cable onto the control board with the holder clamper 4 Attach the control board cover back to the original position with the screw 9 3 7 PIPE INSULATION 1 Please carry out insulation at pipe connection portion as mentioned in Indoor Outdoor Unit Installation Diagram Please wrap the insulated piping end to prevent water from going inside the piping 2 1 drain hose or connecting piping is in the room where dew may form please increase the insulation by using POLY E FOAM with thickness 6 mm or above f x CS UWSGKE CU UWSGKE CS UW12GKE CU UW12GKE DISPOSAL OF OUTDOOR UNIT DRAIN WATER e ilf a drain elbow is used the unit should be placed on a stand which 15 taller than 3 cm e If the unit is used an area where temperature falls below 0 C for 2 or 3 days in succession it is recommended not to use a drain elbow for the drain water freezes and the fan will not rotate Drain elbow 227 Hose Install the hose at an angle so that the water smoothly flows out CHECK THE DRAINAGE e Open front panel and remove air filters Drainage checking can be carried out without removing the front grille Pour a glass of water into the drain tray styrofoam e Ensure t
33. N 2 Remove the burrs by using reamer If burrs is not HV N Point down removed gas leakage may be caused lf JY Y Turn the piping end down to avoid the metal powder 1 lo cut 2 10 remove burrs Inclined Surface Cracked Uneven entering the pipe Handle o damaged thickness A Bar 3 Please make flare after inserting the flare nut onto the a Lee i e Za Core VC internal surface of the wi copper pipes mJ EST evenly shine and be of even e Red arrow T cooper thickness Since the flare part handle mark comes into contact with the 3 flare connections carefully check the flare finish 9 3 4 a EVACUA OF THE EQUIPMENT FOR EUROPE 8 OCEANIA DESTINATION WHEN INSTALLING AIR CONDITIONER BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure i m Outdoor unit Vacuum pump adaptor Alt eT puce 1 Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3 way valve Be sure to connect the end of the charging hose with the push pin to the service port 2 Connect the center hose of the charging set to a vacuum pump with check valve or vacuum pump and vacuum pump adaptor 3 Turn on the power switch of the vacuum pump and make sure that the needle in the gauge moves from 0 cmHg 0 MPa to 76 cmHg 0 1 MPa Then evacuate the air approximately te
34. OP Airflow Direction Control ino Ou ie ri Horizontal Airflow Direction Control e When stop the operation by pressing Auto Control OFF ON button the cursor key points Manual Control to OFF MODE Operation Mode Selection TEMP Automatic Mode Operation Vertical Airflow Direction Manual Control Room Temperature Setting e Temperature Setting 16 C to 30 C e Heating Mode Operation e Auto Operation e Cooling Mode Operation e Soft Dry Mode Operation TIMER OFF ON Timer Operation Selection e Stop Start Operation Control FAN SPEED setthe ON OFF Timer hourly later Indoor Fan Speed Selection TIMER SET ow Speed CANCEL Set Cancel Timer Operation e Medium Speed e Settimer Cancelthe set timer e High Speed e Bypressing SET button for 5seconds continuously to switch to setthe sensor Automatic Speed sensitivity CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE Indoor Unit Auto Switch Button Power Switch ON OFF Anti freezing Control for the Evaporator e When the remote controlcannot be used or for repairing and testing please use this button e Coolingor Soft Dry Operation Signal Receiving Sound Control Warm Booting Control Keep pressing this button for 10seconds to turn on or turn off the signal receiving sound e Indoor fan starts running when temperature of evaporator reaches 30 C or above Auto Restart Control e When temperature of evaporator is between
35. Order No PHAAG0707018C2 Service Manual Air Conditioners CS CU UW9GKE CS CU UW12GKE WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non techical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attemptto service orrepair the productor products dealt with in this service information by anyone else could result in serious injury or death PRECAUTION OF LOW TEMPERATURE In order to avoid frostbite be assured of norefrigerant leakage during the installation or repairing of refrigeration circuit CONTENTS Page 1 Features 2 2 Functions 3 3 Product Specifications 6 4 Dimensions 10 5 Refrigeration Cycle Diagram 14 6 Block Diagram 15 7 Wiring Diagram 17 8 Operation Details 19 9 Installation
36. SCrews 3 Pull the lower section of the front grille towards you to remove the front grille When reinstalling the front grille first set the vertical airflow direction louvre to the horizontal position and then carry out above steps 2 3 in the reverse order Vertical airflow deflection louver Screw M Wu Pf 5 Move the vertical vane to horizontal Cap AUTO SWITCH OPERATION The below operations will be performed by pressing the AUTO switch 1 AUTO OPERATION MODE The Auto operation will be activated immediately once the Auto Switch is pressed TEST RUN OPERATION FOR PUMP DOWN SERVICING PURPOSE The Test Run operation will be activated if the Auto Switch is pressed continuously for more than 5 sec to below 10 sec A Pep sound will occur at the fifth sec in order to identify the starting of Test Run operation REMOTE CONTROLLER RECEIVING SOUND ON OFF The ON OFF of Remote Controller receiving sound can be changed over by pressing the AUTO Switch continuously for 10 sec and above A Pep PeP sound will occur at the tenth sec in order to indicate the ON OFF changed over of remote control receiving sound CS UW9GKE CS UW12GKE 35 CS UWOGKE CU UWSGKE CS UW 12GKE CU UW12GKE 9 3 OUTDOOR UNIT 9 3 1 SELECT THE BEST LOCATION Refer to Select the best location section 9 3
37. Unit CS UW12GKE Unit mm Side view Front View 183 Air intake Right Piping lt lt E Hole 00 CN 61 Left Piping outlet m 5 Hole O 61 165 Back View Back View Installation Plate Hook Liquid Side LE 125 7 Drain Port Installation plate Front View lt VS Q Ma OOO o lt I I I ane o oT e oc 00 1 631 11 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE Outdoor Unit Unit mm CU UW9GKE Top view Required space for installation 650 61 6_ Air intake p Air outlet LI LI L 1 Ki Outdoor Unit CU UW12GKE More than 10c r More than 100 cm Top view CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE Unit mm CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 5 Refrigeration Cycle Diagram 4 INTAKE AIR 8 s SENSOR AA SENSOR 666 9 L PIPING ee BN SENSOR 4 valve NEN Cooling Heating A CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 6 Block Diagram CS UW9GKE CU UW9GKE
38. W12GKE 16 Exploded View CU UW9GKE Z 0 7772 60 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 17 Replacement Parts List O gt G PART NAME 8 DESCRIPTION CHASSIS ASSY 3 FAN MOTOR FAN MOTOR MOUNT N NUT PROPELLER FAN COMPRESSOR MOUNT 3 CWH561047A CWB32C2022 CWT01C4146 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 3 WAY VALVE 1 35104 ___ ___ 1024 _ 1 cweo21251 4 ___ 1308 1 __ 1104 0 OLP 1 cwam21220 _ 1 1 1 1 1 1 1 1 1 1 1 i Y CAPILLARY COIL COMPLETE lt 2 a o gt 8 z o m gt gt m Jo I O m C O 7 gt 2 5 2 0 0 26 5 2 212 E l x 20 2 2 v Z mis o 5 Z Z gt lt lt lt o Jo le 5 gt 2 2 0 5 2 a gt 70 gt T 2 0 2 TI dd 2 F 21 2 2 2 2 0 5 5 IS IF z o z o Y m lt O Ai lt gt T 2 lt 2 9 2 o S lt lt lt m 5 3 9 m 0 z 2 2
39. and lead to malfunctions in the equipment c Complete all pipe connections in as short a time as possible If the pipe must be left standing for a long time after removing the seal it must be thoroughly purged with nitrogen or dried with a vacuum pump 10 4 INSTALLATION TRANSFERRING SERVICING 10 4 1 Inspecting Gas Leaks with a Vacuum Pump for New Installations Using New Refrigerant Piping 1 From the viewpoint of protecting the global environment please do not release refrigerant into the atmosphere a Connect the projecting side pin pushing side of the charging hose for the manifold gauge to the service port of the 3 way valve 1 b Fully open the handle Lo of the manifold gauge and run the vacuum pump 2 If the needle of the low pressure gauge instantly reaches vacuum re check step a c Continue the vacuum process for at least 15 minutes then check to make sure the low pressure gauge has reached 0 1 MPa 76 cmHg Once the vacuum process has finished fully close the handle Lo of the manifold gauge and stop the vacuum pump operation then remove the charging hose that is connected to the vacuum pump adaptor Leave the unit in that condition for 1 2 minutes and make sure that the needle of the manifold gauge does not return 2 and 3 d Turn the valve stem of the 2 way valve 90 counter clockwise to open it then after 10 seconds close it and inspect for a gas leak 4 e Remove the charging hose from the 3 way
40. ay valves 3 To open the valve turn the valve stem of 2 way valve counter clockwise approx 90 and hold it there for ten seconds then close it 4 Check gas leakage of the connecting portion of the pipings For the left pipings refer to item 4 A 5 open 2 way valve again turn the valve stem counter clockwise until it stops Indoor Unit Ze Outdoor Unit Terminal 3 way valve open Hexagonal wrench Following Result d the Service port cap right side piping No leakage found Leakage found 6 purge the air push the pin on the service port of 3 way valve for three seconds using with a hexagonal wrench and set it free for one minute Repeat this three times Leakage ceased Leakage persists Re tighten the connecting portion with torque wrenches V7 7 Setthe both 2 way and 3 way valves to open position with the Hexagonal wrench for the unit operation Locate and repair leak x Leakage ceased 4 A Checking gas leakage for the left piping 1 Connect the manifold gauge to the service port of 3 way 2 Keep it for 5 10 minutes valve Ensure that the pressure indicated on the gauge is the Measure the pressure same as that of measured during the first time 9 3 6 CONNECT THE CABLE TO THE OUTDOOR UNIT 1 Remove the control board cover from the unit by loosening the screw 2 Cin cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 5 UW9GKE UW12GK
41. ayvalve STRAINER TERMINALCOVER NUT FOR COVER SoUNDPROOFBOARD lt TERMINAL BOARD ASSY 1 CAPACITOR COMPRESSOR HOLDER CAPACITOR CAPACITOR FANMOTOR TUBEASSY CAPILLARY Note 1 parts are su pplied from P R China 2 marked parts are recommended to be kept in stock 7 10 11 13 14 15 16 17 18 20 21 22 24 25 26 27 28 29 30 31 32 33 34 O 9 8 2 JIS x gt mr IA U o o9 JO 5 o T o S o o o 9 o 5 12 18 o s 8 1S a Is 3 o 18 9 amp S S S 6 IS 18 3 le le l 5 o 3 2 8 a 2 fa ls 12 19 5 IS 1S IS IA 3 8 9 2 N 8 a gt o o x c gt o 5 gt c lo gt gt 65
42. cale then correct the hose the cylinder and to the connection port for the electronic scale 1 2 Precaution Be sure to set up the cylinder for liquid charging If you use a cylinder equipped with a siphon tube you can charge the liquid without having to turn the cylinder around 6 Remove the charging hose of the manifold gauge from the vacuum pump adaptor and connect it to the connection port of the electronic scale 2 3 7 Open the valve of the refrigerant cylinder then open the charging valve slightly and close it Next press the check valve of the manifold gauge and purge the air 2 4 Watch the liquid refrigerant closely at this point 8 After adjusting the electronic scale to zero open the charging valve then open the valve Lo of the manifold gauge and charge with the liquid refrigerant 2 5 Be sure to read the operating instructions for the electronic scale 9 you cannot charge the stipulated amount operate the unit in the cooling mode while charging a little of the liquid at a time about 150 g time as a guideline If the charging amount is insufficient from one operation wait about one minute then use the same procedure to do the liquid charging again Precaution Never use the gas side to allow a larger amount of liquid refrigerant to be charged while operating the unit 10 Close the charging valve and after charging the liquid refrigerant inside the charging hose fully close the valve Lo of the man
43. can be manually adjusted Lo Med Hi by using the fan speed selection button e Basic Fan Speed Soong OI O raton ao SoftDry Manual OoOo Operation Auto lolo Heating Manual O O O O Operation us 8 7 Auto restart control If the operation is stopped due to a power failure under any operation mode it will restart automatically under the previous operation mode when the power supply is resumed DT CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 8 8 Airflow Direction Control Airflow Direction Auto control e Whensetatairflow direction auto control with remote control the louver swings up and down as shown in the table below e Thelouver does not swing when the indoor fan stops during operation When stop the unit with remote control the discharge ventis closed with the louver When temperature of indoor heat exchanger reaches 38 during heating mode operation if temperature falls to 35 C airflow direction will change from the lower limit to horizontal The left and right airflow direction louver can be adjusted manually Airflow direction manual control e When the airflow direction setbutton is pressed the automatic airflow is released and the airflow direction louver moves up and down as shown thetable below The louver can be stopped by releasing the button atthe desired position e When the remote control
44. compressing The discharge tube of the compressor becomes abnormally hot ofa compressor normally 70 90 C The difference between high pressure andlow pressure becomes almost zero Electric currentreaches a high level abnormally and the value exceeds Locked compressor the limit ofan ammeter In some cases a breaker turns off The compressor has a humming sound Electric current during operation becomes approximately 20 lower than Inefficient switches of the normal valve the 4 way valves The temperature difference between from the discharge tube to the 4 way valve and from suction tubeto the 4 way valve becomes almost zero 54 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 13 Technical Data B Thermostat characteristics e Soft dry mode e Cooling mode ke sk ke j k j Cooling off 4 1 5 in difference 1 0 C in difference set temperature Soft Dry off Soft Dry on Compressor on SC EE EE DE TE DE I Lu D E zm le L vn el e em ke sn sl wn wl vs sen we de T U TC T UT UT T V 28 26 exeju Compressor off Settemperature 1 5 difference exeju 28 30 22 24 26 18 20 16 22 24 26 28 30 Temperature setting
45. ding to this installation instruction strictly If installation is defective it will cause water leakage electrical shock or fire Use the attached accessories parts and specified parts for installation Otherwise it will cause the set to fall water leakage fire or electrical shock Install at a strong and firm location which is able to withstand the set s weight If the strength is not enough or installation is not properly done the set will drop and cause injury For electrical work follow the local national wiring standard regulation and this installation instruction An independent circuit and single outlet must be used If electrical circuit capacity is not enough or defect found in electrical work it will cause electrical shock or fire Use the specified cable 1 5 mm and connect tightly for indoor outdoor connection Connect tightly and clamp the cable so that no external force will be acted on the terminal If connection or fixing is not perfect it will cause heat up or fire at the connection Wire routing must be properly arranged so that control board cover is fixed properly If control board cover is not fixed perfectly it will cause heat up at connection point of terminal fire or electrical shock When carrying out piping connection take care not to let air substances other than the specified refrigerant go into refrigeration cycle Otherwise it will cause lower capacity abnormal high pressure in the refrigeration cycle explosion and
46. dingly when installing or servicing refrigerant piping you must have both the R410A and ordinary tools listed below Table 3 Tools for installation transferring or replacement Type of work Ordinary tools 410A tools Copper pipe for clearance Flaring Flaring tool clutch type pipe cutter reamer Adjustment flaring tool clutch 1 Torque wrench nominal diameter 1 4 Bending connecting pipes 3 8 1 2 Fixed spanner opposing sides 12 mm 17 mm 19 mm Adjustable wrench Spring bender Vacuum pump Hexagonal wrench Manifold gauge charging hose vacuum opposing sides 4 mm pump adaptor Gas leak inspection Gasleak inspection fluid or soapy water Electric gas leak detector for Air purging 1 You can use the conventional R22 flaring tool If you need to buy a new tool buy the R41 type 2 Use when itis necessary to detect small gas leaks For other installation work you should have the usual tools such as screwdrivers a metal cutting saw an electrical drill a hole core drill 65 or 70 dia a tape measure a level a thermometer a clamp meter an insulation tester a voltmeter etc Table 4 Tool for serving Type of work Ordinary tools 410A tools Electronic scale for refrigerant charging Refrigerant cylinder Charging orifice and packing for refrigerant cylinder Nitrogen blow set be sure to use nitrogen blowing brazing and brazing and cycle par
47. drain hose out in case of the embedded piping INDOOR UNIT 1 The inside and outside connecting cable can be connected pply caulking material to seal the wall opening dosi without removing the front grille 2 Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 5 x 1 5 mm flexible cord type designation 245 IEC 57 Drain hose from main unit Uni Or heavier cord PVC tube VP 65 for piping and connecting cable Ensure the color of wires of outdoor unit the tube for drain hose 30 _ drain hose VP 20 terminal Nos are the same to the indoor s respectively e Earth lead wire shall be longer than the other lead wires as shown in the figure for the electrical safety in case of the slipping out of the cord from the anchorage Color of wires O O e case of left piping how to insert the connecting cable and drain hose Connector Secure the cable onto the control board with the holder clamper For the right piping follow the same procedure OH A 34 HOW TO TAKE OUT FRONT GRILLE Please follow the steps below to take out front grille if necessary such as when servicing 1 Set the vertical airflow direction louver to the horizontal position 2 Slide down the two caps on the front grille as shown in illustration at right and then remove the two mounting
48. ect a installation location which is rigid and strong enough to support or hold the unit and select a location for easy maintenance 2 Power supply connection to the room air conditioner Connect the power supply cord of the room air conditioner to the mains using one of the following method Power supply point shall be the place where there is ease for access for the power disconnection in case of emergency In some countries permanent connection of this room air conditioner to the power supply is prohibited 1 Power supply connection to the receptacle using a power plug Use an approved 10 power plug with earth pin for the connection to the socket 2 Power supply connection to a circuit breaker for the permanent connection Use an approved 10 circuit breaker for the permanent connection must be a double pole switch with a minimum 3 mm contact 3 Do not release refrigerant Do not release refrigerant during piping work for installation reinstallation and during repairing a refrigeration parts Take care of the liquid refrigerant it may cause frostbite 4 Installation work It may need two people to carry out the installation work 5 Do not install this appliance in a laundry room or other location where water may drip from the ceiling etc 30 Attached accessories eener Dim eeng Drain elbow Installation plate fixing screw SELECT THE BEST LOCATION INDOOR UNIT 2 There should not be any
49. ect the compressor from reverse e Whenthe temperature of evaporator rotation when power off suddenly reaches 51 C outdoor fan stops and will restart when the temperature of evaporator declines to 49 When the temperature of evaporator Overload Protector P P reaches 65 C compressor will stop e he 2 step Overload Protector isto protect the compressor when 1 Temperature of compressor reaches150 C 2 High temperature or current enters into the 4 way Valve Control compressor e unitis stopped during Heating Operation the 4 way valve will remain in heating mode operation for 5 minutes 60 seconds Test Operation Control e Once the compressoris activated it does not stop for 60 seconds It stops immediately with remote control ON OFF button Deicing Control e Anti freezing operation for outdoorunit during Heating Mode Operation only e Temperature of the condenser is tested by sensor CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 3 Product Specifications CS UW9GKE k k Cooling Capacity 2 50 Heating Capacity 2 70 Moisture Removal 1 4 Phase Single Power Source V 230 Cycle 50 OUTLET SIDE VIEW TOP VIEW CU UW9GKE Airflow Method INTAKE Air Circulation Indoor Air ow a 7 87 mi Electrical nns W W Cooling 3 08 Heating 3 46 Starting Current a Inch G half union3 8 G 3 way valve3 8 Piping Connection Port Flare piping L half union1 4 2 way valve 4
50. efrigerant Compatibility Using R410A Refrigerant in R22 ACs and Vice Versa Do not operate an existing R22 AC with the new R410A refrigerant Doing so would result in improper functioning of the equipment or malfunction and might lead to a major accident such as an explosion in the refrigeration cycle Similarly do not operate an R410A AC with R22 refrigerant The chemical reaction between the refrigerating machine oil used in R410A ACs and the chlorine that is contained in R22 would cause the refrigerating machine oil to degrade and lead to malfunction 10 4 5 Recharging Refrigerant During Servicing When recharging is necessary insert the specified amount of new refrigerant in accordance with the following procedure 1 Connect the charging hose to the service port of the outdoor unit 2 Connect the charging hose to the vacuum pump adaptor At this time fully open the 2 way valve and 3 way valve 3 Fully open the handle Lo of the manifold gauge turn on the power of the vacuum pump and continue the vacuum process for at least one hour 4 Confirm that the low pressure gauge shows a reading of 0 1 Mpa 76 cmHg then fully close the handle Lo and turn off the vacuum pump Wait for 1 2 minutes then check to make sure that the needle of the Low pressure gauge has not returned See Fig 13 for the remaining steps of this procedure 47 CS UW9GKE CU UWSGKE CS UW12GKE CU UW12GKE 5 Set the refrigerant cylinder onto the electronic s
51. erant temperature which means that special R410A tools and materials with high pressure specifications must be used forall refrigerant piping work and servicing Table 2 Comparison of R410A and R22 saturated vapor density Refrigerant Temperature C R410A 22 O T 0 30 CS UW9GKE CU UWSGKE CS UW12GKE CU UW12GKE d R410Arefrigerating machine oil Conventionally mineral oil or a synthetic oil such as alkylbenzene has been used for R22 refrigerating machine oil Because of the poor compatibility between R410A conventional oils like mineral oil however there is tendency for the refrigerating machine oil to collect in the refrigerating cycle For this reason polyester and other synthetic oils which have a high compatibility with R410A are used as refrigerating machine oil Because of the high hygroscopic property of synthetic oil more care must be taken in its handling than was necessary with conventional refrigerating machine oils Also these synthetic oils will degrade if mixed with mineral oil or alkylbenzene causing clogging in capillary tubes or compressor malfunction Do not mix them under any circumstances 10 1 2 Safety Measure When Installing Receiving Refrigerant Piping Cause the gas pressure of R410A is approximately 1 6 times as high as that of R22 a mistake in installation or servicing could result in a major accident It is essential that you use R410a tools and materials and that you
52. f the copper pipe Be sure to sued the clamp bar to do the flaring with accuracy Use either an R410A flaring tool or conventional flaring tool flaring tools come in different sizes so be sure to check the size before using When using a conventional flaring tool use the copper pipe gauge for clearance adjustment etc to ensure the correct A dimension see Fig 10 22222 3X R410A flare nut for the ACs can distinguished by their shape because they do not have this part When flaring be sure to use the same nut that is used on the AC unit Fig 11 Relation between the flare nut structure and flaring tool end 44 CS UWSGKE CU UWSGKE CS UW12GKE CU UW12GKE Table 11 R410A flaring dimensions Nominal Outside Wall thickness A mm diameter diameter mm R410A flaring in on tool clutch type 08 15 22 08 10 15 15 20 08 005 10 15 20 25 Table 12 R410A flaring dimensions Nominal Outside Wall thickness A mm EE Ge uu R410A flaring i ____ 14 65 08 0 05 0510 10 5 ___ 28 92 08 0 05 0510 10 15 4 1 70 08 0 05 05510 1520 Table 13 410 flaring and nut Unit Nominal Outside Wall thickness A 0 0 4 Flare nut diameter in diameter mm dude RC width EE 270 ee eo 29 5 Table 14 R410A flaring and nut dimensions Unit mm Nom
53. hat water flows out from drain hose of the indoor unit Drain tray styrofoam EVALUATION OF THE PERFORMANCE Operate the unit for fifteen minutes or more e Measure the temperature of the intake and discharge air e Ensure the difference between the intake temperature and the discharge is more than 8 C during cooling operation or 14 during heating operation Discharge air CHECK ITEMS 38 COOU Is there any gas leakage at flare nut connections Has the heat insulation been carried out at flare nut connection Is the connecting cable being fixed to terminal board firmly Is the connecting cable being clamped firmly Is the drainage OK Refer to Check the drainage section Is the earth wire connection properly done Is the indoor unit properly hooked to the installation plate Is the power supply voltage complied with rated value Is there any abnormal sound Is the cooling operation normal Is the thermostat operation normal Is the remote control s LCD operation normal Is the air purifying filter installed CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 10 Installation and Serving Air Conditioner Using R410A 10 1 OUTLINE 10 1 1 About R410A Refrigerant 1 Converting air conditioners to R410A Since it was declared in1974 that chlorofluorocarbons CFC hydro chlorofluorocarbons HCFC and other substance
54. heat source or steam near the unit Li There should not be any obstacles blocking the air circulation DU A place where air circulation in the room is good A place where drainage can be easily done 2 A place where noise prevention is taken into consideration L1 Do not install the unit near the door way Ensure the spaces indicated by arrows from wall fence or other obstacles L1 Recommended installation height for indoor unit shall be at least 2 5 m OUTDOOR UNIT LN f an awning is built over the unit to prevent direct sunlight or rain be careful that heat radiation from the condenser is not obstructed There should not be any animal or plant which could be affected by hot air discharged Keep the spaces indicated by arrows from wall ceiling fence or other obstacles Do not place any obstacles which may cause a short circuit of the discharged air If piping length is over the common length additional refrigerant should be added as shown in the table Common Max Max Piping Model Length Elevation Length 75 Additional Refrigerant g m CS UWSGKE CU UWSGKE CS UW12GKE CU UW12GKE Indoor Outdoor Unit Installation Diagram Indoor Outdoor Unit Installation Diagram Piping direction Front side EG Right Rear 21 lt Right Bottom Left Left Rear Left Bottom Attention not to Length of power supply cord bend up drain hose About 1 1 About 1 8 m L
55. ifold gauge and stop the operation of the unit 2 5 11 Quickly remove the charging hose from the service port 6 If you stop midway through the refrigerant that is in the cycle will be discharged 12 After putting on the caps for the service port and operating valve inspect around the caps for a gas leak 6 7 to Indoor Unit B Y REN Liquid side Outdoor unit to Indoor Unit A Operating valve 8 way valve 7 Refrigerant cylinder with Miis tube valve A Kl r Precautions The gas pressure backflow prevention valve on the charging hose is generally open during use When you are removing the charging hose from the service port it will come off more easily if you close this valve Fig 13 Re charging refrigerant scale for E LT 9 10 4 6 Brazing As brazing requires sophisticated techniques and experiences it must be performed by a qualified person In order to prevent the oxide film from occurring in the pipe interior during brazing it is effective to proceed with brazing while letting dry nitrogen gas N2 flow 48 CS UWSGKE CU UWSGKE CS UW12GKE CU UW12GKE Brazi ng Method for Preventing Oxidat ion 1 Attach a reducing valve to the nitrogen gas cylinder 2 Attach a reducing valve to the nitrogen gas cylinder 3 Apply a seal onto the clearance between the piping and inserted pipe for the nitrogen gas in order to prevent the nitrogen gas from flowing backward
56. inal Outside Wall thickness A 0 0 4 B C D Flare nut diameter in diameter mm mm dimension dimension dimension width ___ 3 08 92 6 33 7 99 gt 270 os 42 o 29 2 2324 2 Procedure and precautions for flare connection a Check to make sure there are no scratches dust etc on the flare and union b Align the flared surface with the axial center of the union torque wrench and tighten to the specified torque The tightening torque for R410A 15 the same as the conventional torque value for R22 Be careful because if the torque is too weak it may lead to gas leak If it is too strong it may split the flare nut or make it impossible to remove the flare nut Table 15 R410A tightening torque Nominal Outside Tightening torque Torque wrench tightening torque diameter in diameter mm N m kgf cm N m kgf cm 14 18 140 180 18 180 33 42 330 420 42 420 12 70 55 550 55 550 10 3 3 Storing and managing Piping Materials 1 Types of piping and their storage The following is a general classification of the refrigerant pipe materials used for ACs Common names Refrigerant pipe materials Pipes with heat inusulating covers Unflared Sheathed copper pipes Pipes without heat insulating cover Unflared copper pipes copper ioes Because the gas pressure of R410A is approximately 1 6 time
57. injury When connecting the piping do not allow air or any substances other than the specified refrigerant R410A to enter the S refrigeration cycle Otherwise this may lower the capacity cause abnormally high pressure in the refrigeration cycle and possibly result in explosion and injury 10 When connecting the piping do not use any existing R22 pipes and flare nuts Using such same may cause Q abnormally high pressure in the refrigeration cycle piping and possibly result in explosion and injury Use only R410A materials Thickness of copper pipes used with R410A must be more than 0 8 mm Never use copper pipes thinner than 0 8 It is desirable that the amount of residual oil is less than 40 mg 10 m 11 Do not modify the length of the power supply cord or use of the extension cord and do not share the single outlet with other electrical appliances Otherwise it will cause fire or electrical shock 20 CS UWSGKE CU UWSGKE CS UW12GKE CU UW12GKE N CAUTION 1 The equipment must be earthed It may cause electrical shock if grounding is not perfect 2 Do not install the unit at place where leakage of flammable gas may occur In case gas leaks and accumulates at surrounding of the unit it may cause fire 3 Carry out drainage piping as mentioned in installation instructions If drainage is not perfect water may enter the room and damage the furniture ATTENTION 1 Selection of the installation location Sel
58. ional Gauges R410A Gauges High pressure gauge red 76 cmHg 35 kgf cm 0 1 5 3 Mpa 76 cmHg 53 kgf cm 3 High pressure gauge blue 76 cmHg 17 kgf cm 0 1 3 8 Mpa 76 cmHg 38 kgf cm The shape of the manifold ports has been changed to prevent the possibility of mistakenly charging with another type of refrigerant Table 7 Difference between R410A and conventional manifold port size Conventional gauges R410A gauges 7 6 UNF 20 threads 1 2 UNF 20 threads 44 CS UWSGKE CU UWSGKE CS UW12GKE CU UW12GKE 5 Charging hose The pressure resistance of the charging hose has been raised to match the higher pressure of RA10A The hose material has also been changed to suit HFC use and the size of the fitting has been changed to match the manifold ports Fig 4 Manifold gauge charging hose Table 8 Difference between R410A and conventional charging hoses pee Conventional hoses R410A hoses Pressure Working pressure 3 4 MPa 35 kgf cm 5 1 MPa 52 kgf cm resistance Bursting pressure 17 2 MPa 175 kgf cm 27 4 MPa 280 kgf cm NBR rubber HNBR rubber Nylon coating inside 6 Vacuum pump adaptor When using a vacuum pump for it is necessary to install an electromagnetic valve to prevent the vacuum pump oil from flowing back into the charging hose The vacuum pump adaptor is installed for that purpose if the vacuum pump oil mineral oil becomes mixed wi
59. is used to stop the operation the discharge ventis closed with airflow direction louver Angles Of Airflow Direction Louver Operating Mode Manual Cooling Soft dry Manua Heating Auto Determining operation mode Notes n heating mode operation 1 Airflow direction automatic control Airflow direction is automatically adjusted to horizontal direction when the temperature of indoor heat exchanger is low and it will be automatically adjusted downward while the indoor temperature rises 2 Airflow direction manual control The airflow direction is automatically adjusted to horizontal direction when temperature of indoor heat exchanger is low While temperature of indoor heat temperature rises the airflow direction is automatically adjusted to the place set by the remote control In cooling or soft dry mode operation If the compressor continues to operate for 60 minutes and the louver direction is at 5 the fan speed is below Med the intake air temperature is below 29 C and continues to change between 2 for 30 minutes the louver direction will be at No 2 in order to prevent dew around the discharge vent 28 CS UW9GKE CU UWS9GKE CS UW12GKE CU UW12GKE 9 Installation Instructions Required tools for Installation Works 1 Philips screw driver 9 Gas leak detector 13 Multimeter 2 Level gauge 6 Pipe cutter 10 Measuring tape 14 Torque wrench 18 N m 1 8 kgf m 42 N m 4 2 kgf m 55 N m
60. n minutes 4 Close the Low side valve of the charging set and turn off the vacuum pump Make sure that the needle in the gauge does not move after approximately five minutes Note BE SURE TO FOLLOW THIS PROCEDURE IN ORDER TO AVOID REFRIGERANT GAS LEAKAGE 5 Disconnect the charging hose from the vacuum pump and from the service port of the 3 way valve 6 Tighten the service port caps of the 3 way valve at torque of 18 N m with a torque wrench T Remove the valve caps of both of the 2 way valve and 3 way valve Position both of the valves to OPEN using a hexagonal wrench 4 mm 8 Mount valve caps onto the 2 way valve and the 3 way valve Be sure to check for gas leakage CAUTION If gauge needle does not move from 0 cmHg 0 MPa to 76 cmHg 0 1 MPa in step 3 above take the following measure If the leak stops when the piping connections are tightened further continue working from step 3 If the leak does not stop when the connections are retightened repair the location of leak Do not release refrigerant during piping work for installation and reinstallation Take care of the liquid refrigerant it may cause frostbite CS UWSGKE CU UWSGKE CS UW12GKE CU UW12GKE 9 3 5 b AIR PURGING OF THE PIPING AND INDOOR UNIT The remaining air in the Refrigeration cycle which contains moisture may cause malfunction on the compressor 1 Remove the caps from the 2 way and 3 way valves 2 Remove the service port cap from the 3 w
61. ng Liquid side 77 piping Cable 33 the unit Hook the indoor unit onto the upper portion of installation plate Engage the indoor unit with the upper edge of the installation plate Ensure the hooks are properly seated on the installation plate by moving in left and right 1 Tape the extra power supply cord in bundle and keep it behind the chassis Ensure that the power supply cord is not clamped in between the unit s hook 2 positions and installation plate 2 Press the lower left and right side of the unit against the installation plate until hooks engages with their slots sound click To take out the unit push the marking at the bottom unit and pull it slightly towards you to disengage the hooks from CS UWSGKE CU UWSGKE CS UW12GKE CU UW12GKE Install the Indoor Unit Hooks at installation plate Sleeve for piping hole Indoor unit Drain hose Secure the Indoor Unit Installation plate PUSH marking This can be used for left rear piping amp left bottom piping also Exchange the drain hose and the cap Refer view for left piping installation Sleeve for piping hole Adjust the piping slightly downwards Adjust the piping slightly downwards Panasonic More than approx 95 cm CS UW9GKE CU UWSGKE CS UW12GKE CU UW12GKE 9 2 5 CONNECT THE CABLE TO THE How to pull the piping and
62. nother 410 AC unit you should re flare the refrigerant piping Even though the replacement AC unit uses the R410A problems occur when for example either the AC unit maker or the refrigerating machine oil is different When replacing an R22 AC unit with 410 unit the following checks and cleaning procedures are necessary but are difficult to do because of the chemical characteristics of the refrigerating machine oil as described in items c and d of section 10 1 1 2 In this case you should use new refrigerant piping rather than the existing piping 1 Piping check Because of the different pressure characteristics of R22 and R410A the design pressure for the equipment is 1 6 times different the wall thickness of the piping must comply with that shown in Table 10 but this is not easy to check Also even if the thickness is correct there may be flattened or bent portions midway through the piping due to sharp curves Buried sections of the piping also cannot be checked 2 Pipe cleaning A large quantity of refrigerating machine oil mineral oil adheres to existing pipes due to the refrigeration cycle circulation If the pipes are used just as they are for the R410A cycle the capacity will be lowered due to the incompatibility of this oil with the R410A or irregularities may occur in the refrigeration cycle For this reason the piping must be thoroughly cleaned but this is difficult with the present technology 10 4 4 R
63. off turning off by remote controller or power off it will not restart within 3 minutes e When room temperature reaches the set temperature on the remote controller compressor stops and will not restart within 4 minutes 3 minutes after the compressor stopped indoor fan will stop for 1 minute Then indoor fan will resume operation with the speed at super low Over Load protection Control e When temperature of indoor heat exchanger rises to 51 C outdoor fan will stop when temperature of indoor heat exchanger falls to 49 C outdoor fan will restart e When temperature of indoor heat exchanger rises to 65 or above compressor stops and will restart 4 minutes later Compressor Compressor Restarts SAR Indoor Heat Exchanger 65 C Stops TN E Anti reversing Control e If the compressor has been continuously running for 5 minutes or longer and the difference of temperature between intake air and evaporator is continuously lower than 5 0 or below for 2 minutes the compressor will stop and then restart 3 minutes later Time Delay Protection Control is effective e Compressorruns 5 min Compressor Compressor Restarts AT lt 5C last 2 min Stops 3 minutes later intake air temperature evaporator temperature 4 way valve control e During heating mode operation 4 way valve is at open mode During heating mode operation if the unit turned off the 4 way valve will remain at open mode fo
64. outdoor piping tested by TRS falls to 3 C TRS OFF or below for continuously 50 seconds deicing operation starts e Overload Deicing Operation During heating operation if the accumulative stopping time of outdoor fan reaches 60 minutes deicing operation will start 1 minute after compressor starts Deicing operation ends under conditions below a After 12 minutes b Temperature of outdoor unit rises to 4 c As the illustration showed bellow and due to Time Delay Td deicing won t ends immediately Deicing Operation Time T Td s Once deicing operation starts it won t end until 60 seconds later e When deicing operation ends compressor will stop for 30 seconds and 4 way valve remains at cooling mode operation for 10 seconds Time Graph for Normal Deicing Operation N A Oorx Blink Q Operation X Stop Indoor Piping Temp Oo r _ j lt LL LL LI 3 o l O O gt lo 0 Outdoor Fan Operation LED __ D obl lt Operation status gt Deicing confirmation C g Deicing operation time reset h j u w Warm Booting o r Deicing TRS CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE Time Graph for Overload Deicing Q JJ T T Eed MuU IS LL s 15 SS SS
65. r 5 minutes Warm Booting Control e When turning on the unit by heating mode operation indoor fan will be activated when temperature of indoor heat exchanger reaches 30 C See the figure on the right Warm boot operation ends when temperature of indoor heat exchanger reaches 34 SS Indoor Fan Stop 55 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE Automatic Fan Speed During Heating Operation use remote controller to select Auto Fan Speed mode Indoor Fan Speed is between and Slo C 45 C 38 41 30 34 28 30 Stop 15 m Manual fan speed Temperature of heat exchanger Time Graph for Heating Operation So QA J lo Indoor heat exchanget Temp OFF Intake Temp 2 ON Basic Time 7 W MEN SS I Compressor agg 23 222 j Z Indoor Fan Wi Ws 1544007 Operation Indicator 2 eWay ae Operation status Warm booting control indoor fan Off c d Warm booting control indoor fan Super Slo h k o r Prevent cool air blowing out ue CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE Deice Control Deice operation is to protect the outdoor unit from freezing Normal Deice Operation Deicing starts 30 minutes after heating mode operation or 60 minutes after the latest deicing operation If temperature of
66. rmal Insufficient refrigerant clogged strainer or capillary tube Inefficient compressor Insufficient refrigerant clogged strainer or capillary tube CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE Normal pressure and outlet air temperature standard Outlet air Mpa temperature Gas side pressure Cooling mode 0 6 0 96 6 9 6 12 16 Heating mode 2 25 3 36 22 5 33 6 36 45 Condition indoor fan speed high outdoor temperature 35C Cooling mode Heating mode e Measuring the air temperature difference Dusty heat exchanger preventing heat radiation Measuring electric current during operation Excessive amount of refrigerant Inefficient compressor e Measuring gas side pressure CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 12 2 Relationship between the condition of air conditioner and pressrue and electric current Cooling mode Heating mode Condition of the air conditioner Low pressure High pressure Electric current Low pressure High pressure Electric current during operation during operation Insufficient refrigerant gasleakage Clogged capillary tube CN Heat radiation deficiency of the outdoor unit Insufficient compression 12 3 Diagnosis methods of malfunction of a compressor Nature offault oymptom Electric current during operation becomes approximately 80 lower than the normal level Insufficient
67. s as high as that of R22 copper pipes with the thickness shown in Table 10 and with minimal impurities must be used Care must also be taken during storage to ensure that pipes are not crushed deformed or scratched and that no dust moisture or other substance enters the pipe interior When storing sheathed copper pipes or plain copper pipes seal the openings by pinching or taping them securely 2 Makings and management a Sheathed copper pipes and copper element pipes When using these pipes check to make sure that they are the stipulated thickness For flare nuts be sure to used the same nut that is used on the AC unit 45 CS UWSGKE 7 CU UWSGKE CS UW12GKE CU UW12GKE b Copper pipes Use only copper pipes with the thickness given in table 10 and with minimal impurities Because the surface of the pipe is exposed you should take special care and also take measures such as marking the pipes to make sure they are easily distinguished from other piping materials to prevent mistaken use 3 Precautions during refrigerant piping work Take the following precautions on site when connecting pipes Keep in mind that the need to control the entry of moisture and dust is even more important that in conventional piping a Keep the open ends of all pipes sealed until connection with AC equipment is complete b Take special care when doing piping work on rainy days The entering of moisture will degrade the refrigerating machine oil
68. s pose a destructive danger to the ozone layer in the earth s upper stratosphere 20 to 40 km above the earth measures have been taken around the world to prevent this destruction The R22 refrigerant which has conventionally been used in ACs is an HCFC refrigerant and therefore possesses this ozone destroying potential International regulations the Montreal Protocol Ozone Damaging Substances and the domestic laws of various countries call for the early substitution of R22 by a refrigerant which will not harm the ozone layer In ACs the HFC refrigerant which has become the mainstream alternative called R410A Compared with R22 the pressure of R410A is approximately 1 6 times as high at the same refrigerant temperature but the energy efficiency is about the same Consisting of hydrogen H fluorine F and carbon C R410A is an HFC refrigerant Another typical HFC refrigerant is R407C While the energy efficiency of R407C is some what inferior to that of R410A it offers the advantage of having pressure characteristics which are about the same as those of R22 and is used mainly in packaged Acs 2 The characteristics of HFC R410A refrigerants a Chemical characteristics The chemical characteristics of R410A are similar to those of R22 in that both are chemically stable non flammable refrigerants with low toxicity However just like R22 the specific gravity of R410A gas is heavier than that of air Because of this it can cause an o
69. t 1 brazing machine Refrigerant charging Brazing Replacing refrigerating 1 Always replace the dryer of the outdoor unit same time The replacement dryer is wrapped in a vacuum pack Replace itlast among the refrigerating cycle parts Start brazing as soon as you have opened the vacuum pack and begin the vacuuming 40 CS UWSGKE CU UWSGKE 7 CS UW12GKE CU UW12GKE 10 2 2 R410A Tools 1 Cooper tube gauge for clearance adjustment used when flaring with the conventional flaring tool clutch type This gauge makes it easy to set the clearance for the copper tube to 1 0 1 5 mm from the clamp bar of the flaring tool Fig 1 Copper tube gauge for clearance adjustment 2 Flaring tool clutch type In the R410A flaring tool the receiving hole for the clamp bar is enlarged so the clearance from the clamp bar can be set to 0 0 5 mm and the spring inside the tool is strengthened to increase the strength of the pipe expanding torque This flaring tools can also be used with R22 piping so we recommend that you select it if you are buying a new flaring tool Fig 2 Flaring tool clutch type 2 Fig 3 Torque wrenches Table 5 ROA wenches s _ 4 Manifold gauge Because the pressure is higher for the R410A type the conventional type cannot be used Table 6 Difference between R410A and conventional high low pressure gauges KEE Convent
70. th R410A it will damage the unit Fig 5 Vacuum pump adaptor 7 Electric gas leak detector for HFC refrigerant The leak detector and halide torch that were used with HCFC cannot be used with R410A because there is no chlorine in the refrigerant The present R134a leak detector can be used but the detection sensitivity will be lower setting the sensitivity for R134a at 1 the level for R410A will drop to 0 6 For detecting small amounts of gas leakage use the electric gas leak detector for HFC refrigerant Detection sensitivity with R410A is about 23 g year Fig 6 Electric gas leak detector for HFC refrigerant 42 CS UWSGKE CU UWSGKE CS UW12GKE CU UW12GKE 8 Electronic scale for refrigerant charging Because of the high pressure and fast vaporizing speed of R410A the refrigerant cannot be held in a liquid phase inside the charging cylinder when charging is done using the charging cylinder method causing bubbles to form in the measurement scale glass and making it difficult to see the reading Naturally the conventional R22 charging cylinder cannot be used because of the differences in the pressure resistance scale gradation connecting port size etc The electronic scale has been strengthened by using a structure in which the weight detector for the refrigerant cylinder is held by four supports It is also equipped with two connection ports one for R22 7 16 UNF 20 threads and one for
71. xing screw of the cross flow fan Fig 13 Fixing Screw 3 After removing the bearing refer to fig14 indoor fan can be taken out from the left side Bearing 4 Lift up the indoor fan slightly and then pull the fan motor out Fig 15 Fan motor Remote control reset If the display is chaotic or can not be adjusted Remove the back lid of the remote control and you will find the resetting terminals and shorten the two terminals using a screw driver to reset 52 12 Troubleshooting Guide 12 1 Refrigeration cycle system In order to diagnose malfunctions make sure that there are no electrical problems before inspecting the refrigeration cycle Such problems include insufficient insulation problem with the power source malfunction of compressor or fan The normal outlet air temperature and pressure of the refrigeration cycle depends on various conditions the standard values for them are shown in the table to the right More than 14 C 15 minutes after an operation is started at the heating mode More than 8 C 15 minutes after an Difference in the intake and outlet air temperature operation is started at the cooling mode Less than 8 C atthe cooling mode Less than 14 C the heating mode Higher than specified Lower than specified Value of electric current during operation Cooling High mode Low Low Low Gas side pressure 53 No
72. xploded View CS UW9GKE D 3 CANCE ct 3 gt AS 58 CS UW9GKE CU UW9GKE CS UW12GKE CU UW12GKE 15 Replacement Parts List CS UW9GKE CS UW9GKE CWD50C1532 CWA921372 I CWH02C1051 PART NAME amp DESCRIPTION o 1 CWB30C2146 CWE20C2708 CW A981 184 CW H52160C CW E24C1 184 CW E2441 141 DAIN ELBOW 7 11 12 13 14 16 cwa2oc2602 ar __ 49 NDIATORCOMPLETE 3 20 INDICATOR HOLDERFRONT Li 6093 21 1 ___22 coNNECTINGLEAD NDICATOR 67 5252 ___24 CONTROL BOARD FRONTCOVER 1 ___25 CONTROL TOP coveR 1 mam ___27 FRONTGRILLECOMPLETE 29 jARFLTER wp 30 SCREW FRONTGRILE 2 31 jca rRoNTGRLLE 2 was 32 jpRANHOSE 1 ws 33 JOPERATINGINSTRUTIONS 1 34 OPERATING NSTRUTONS 35 NSTALLATION INSTRUCTION 1 OWF613289 36 INSTALLATION INSTRUCTION Li OWF6132400 ___37 INSTALLATION INSTRUCTION 1 oWF t324 1 38 NSTALATONPLATE 1 Junge Note 1 All parts are supplied from P R China 2 marked parts are recommended to be kept in stock 59 CS UW9GKE CU UW9GKE CS UW12GKE CU U
73. xygen deficiency if itleaks into closed room since it collects in the lower area of the room It also generates toxic gas when itisdirectly exposed to a flame so it must be used in a well ventilated environment where it will not collect Table 1 Physical comparison of R410A and R22 ion R32 R125 50 50 R22 100 Boiling point C Vaporizing pressure 25 C 1 56 15 9 kgf cm2 0 94 Mpa 9 6 kgf cm2 Saturated vapor density 64 0 kg m3 44 4 kg m3 Flammability Non flammable Non flammable Global warming point GWP 1730 1700 b Compositional change pseudo azeotropic characteristics R410A is a pseudo azeotropic mixture comprising the two components R32 and R125 Multi component refrigerants with these chemical characteristics exhibit little compositional change even from phase changes due to vaporization condensation which means that there is little change inthe circulating refrigerant composition even when the refrigerant leaks from the gaseous section of the piping Accordingly R410A can be handled in almost the same manner as single component refrigerant R22 However when charging because there is a slight change in composition between the gas phase and the liquid phase inside a cylinder or other container charging should basically begin with the liquid side Pressure characteristics As seen in Table 2 the gas pressure of RA10A is approximately 1 6 times as high as that of R22 atthe same refrig

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