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RAS-M18UAV-E

1. Terminal cover Terminal block Earth wire Connecting cable Cord clamp Terminal block Earth wire loop Earth screw Fig 10 3 7 Connecting cable about 15 cm 110 mm Earth line NOTE Connecting cable Indoor unit outdoor unit Wire type HO7RN F or 60245IEC66 1 0 mm 57 10 3 5 Piping and Drain Hose Installation Piping and drain hose forming Since condensation results in machine trouble make sure to insulate both the connecting pipes separately Use polyethylene foam as insulating material Rear right a d P Rear left gt gt 5 So G Bottom left m gt _ m Sc m c 3 Left mp oo mp OS lm 5 E ES Bottom right gt gt co m gt 9 Right mp O mmm Fig 10 3 10 Relocating drain hose For left connection left bottom connection and rear left connection s piping it is necessary to relocate the drain hose and drain cap 1 Cutting front panel slit Cut out the slit on the left or right side of the front panel for the left or right connection and the slit on the bottom left or right side of the front panel for the bottom left or right connection with a pair of nippers 2 Remove the drain cap Clamp drain cap with needle nose pliers and pull out
2. 15 or less amia Fig 10 5 4 GOOD Absorb vibration with vibration proof Fixing leg rubber pads Foundation GOOD Bottom plate of outdoor unit Foundation Support the bottom surface of the fixing leg that is in contact with and underneath the bottom plate of the outdoor unit Do not support the outdoor unit If only the end of the only with the fixing fixing leg is supported leg it may deform N Foundation NO GOOD Fig 10 5 5 10 5 2 Refrigerant piping Pipe Flare Nut Imperial wing nut Thickness type Tighten torque How to remove the service valve cover Outside diameter Remove the three screws R410A Pull the service valve cover in the direction of the arrow and remove it tool mm Nem kgfem 1 5 to 2 0 B 14to 18 1 4 to 1 8 1 5 to 2 0 i 33 to 42 3 3 to 4 2 Service valve cover 2 0 to 2 5 50 to 62 5 0 to 6 2 Pipe connection 1 Ensure that the same wires and pipes are used for connecting all the indoor and outdoor units 2 Align the centers of the connecting pipes and tighten the flare nut as much as possible with your fingers Then tighten the nut with a wrench and torque wrench as shown in the table above f the indoor units have different capacities connect them in the sequence of A and B starting with the unit which has the highest capacity Do not re
3. u ET ET ET ET r Fig 10 3 11 3 Remove the drain horse The drain hose is secured in place by a screw Remove the screw securing the drain hose then pull out the drain hose Screw Drain hose Fig 10 3 12 4 Attach the drain cap Insert hexagonal wrench 4 mm 4 mm Fig 10 3 13 5 Firmly insert drain cap No gap ANNE Do not apply lubricating oil refrigerant machine oil 4 when inserting the drain cap If applied deterioration and insert ahexa on drain leakage of the drain wrench 4mm plug may occur Fig 10 3 14 6 Attach the drain hose Insert the drain hose firmly until the connector contacts with the insulation then secure it in place using the original screw Always use the original screw that secured the drain hose to the unit If using a different screw may cause water to leak CAUTION Securely insert the drain hose and drain cap otherwise water may leak The packaged foam polystyrene can be used to make replacement of the Foam polystyrene drain cap and drain hose easier of package vore C Dee Piping on the right side or the left side After making slits on the front panel with a knife or similar tool cut them out with a pair of nippers or an equivalent tool Fig 10 3 15 58 Piping on the bottom right or the bottom left After makin
4. 15 to 110 15 to 120 15 to 120 15 to 120 15 to 120 15 to 120 15 to 120 15 to 120 15 to 120 5 Current This function prevents troubles on the electronic parts of the release compressor driving inverter control This function also controls drive circuit of the compressor speed so that electric power of the compressor drive circuit does not exceed the specified value Outdoor unit inverter main Outdoor temp To circuit control current Setup of current release point Operating current lt P SoU value Reduce compressor speed Low Current decrease Capacity control continues Cooling current Heating current Outdoor temp release value release value 7 5A 8 3 10 5 A 35 The input current of the outdoor unit is detected in the inverter section of the outdoor unit According to the detected outdoor temperature the specified value of the current is selected Whether the current value exceeds the specified value or not is judged If the current value exceeds the specified value this function reduces the compressor speed and controls speed up to the closest one commanded from the indoor unit within the range which does not exceed the specified value Item Operation flow and applicable data etc Description 6 Release protective control by temperature of indoor heat exchanger Indoor heat exchanger temperature Indoor heat e
5. Fig 10 3 20 10 3 7 Drainage 1 Run the drain hose at a downward sloped angle NOTE Hole should be made at a slight downward slant on the outdoor side OK NO GOOD A NC Do not rise the drain hose Do not form the drain hose into the waved shape 50 mm or more 7 G jn 373 i Lue OAN Do not put the Do not put the drain drain hose end hose end in the into water drainage ditch Fig 10 3 21 2 Put water in the drain pan and make sure that the water is being drained outside 3 When connecting extension drain hose insulate the connection part of extension drain hose with shield pipe Shield pi ie Nas a N Drain hose Inside the room Extension drain hose Fig 10 3 22 CAUTION Install the drain pipe for proper drainage Improper drainage can result in water dripping inside the room This air conditioner has been designed to drain water collected from condensation which forms on the back of the indoor unit to the drain pan Therefore do not locate the power cord and other parts at a high place above the drain quide Wall Drain guide Space for pipes Fig 10 3 23 60 10 4 Which Models Can Be Combined Table of models that can be used in combination Outdoor unit Combinations of indoor unit models that can be connected Heat pump RAS M18UAV E 07 07 07 10 07 13 07 16 10 10 10 13 10 16 13 13 13 16 NOTE A 1
6. 16 MY COMFORT button Push this button to operate the air conditioner according to the settings stored using the MEMO button 17 PURE button PURE Push this button to start the electrical air purifying operation Push the button again to stop operation 18 Fan speed button FAN Push this button to select the fan speed When you select AUTO the fan speed is automatically adjusted according to the room temperature You can also manually select the desired fan speed from five available settings LOW LOW Z2 MED nm MED mum HIGH milli A receiving beep is heard 9 4 2 Name and Functions of Indications on Remote Controller Display All indications except for the clock time indicator are displayed by pushing the b button 1 Transmission mark This transmission mark A indicates when the remote controller transmits signals to the indoor unit Mode indicator Indicates the current operation mode AUTO Automatic control A Auto changeover control Cool ON Dry X Heat Temperature indicator Indicates the temperature setting 17 C to 30 C PURE indicator Shows that the electrical air purifying operation is in progress FAN speed indicator Indicates the selected fan speed AUTO or five fan speed levels LOW LOW m MED E MED UN NH HIGH mil can be shown Indicates AUTO when the operating mode is either AUTO or Dry TIMER and clock ti
7. 7 2 Operation Data lt Cooling gt RAS M18UAV E Temperature No of Operating Standard Heat exchanger Compresser condition C operating combination unit pressure pipe temp gd el revolution Indoor Outdoor units A B P MPa T1 C T2 C rps 07 1 0to 1 2 12to 14 35to 37 High 700rpm 26 10 0 9to 1 1 12to 14 36 to 38 High 700rpm 35 13 0 8 to 1 0 10to 12 36 to 38 High 850rpm 58 16 0 7t00 9 8to 10 36 to 38 High 850rpm 75 13to 15 40to 42 13to 15 40to 42 13to 15 42to 44 13to 15 42to 44 2 units 13to 15 42to44 13to 15 44to 46 13to 15 44to 46 13to 15 44to 46 13to 15 44to 46 Heating RAS M18UAV E Temperature No of Operating Standard Heat exchanger Compresser condition C operating combination unit pressure pipe temp a or revolution Indoor Outdoor units A B P MPa T1 C T2 C rps 07 2 4to 2 6 37to 39 2104 High 750rpm 44 Tunit 10 2 6 to 2 8 45 to 46 2to4 High 900rpm 62 13 3 0 to 3 2 51 to 53 2104 High 900rpm 81 16 3 2 to 3 4 51to 53 2104 High 900rpm 85 07 07 2 1t0 2 3 36to 38 2104 High 900rpm 70 10 07 2 1 to 2 3 36 to 38 2to4 High 900rpm 72 20 7 6 10 10 2 1 to 2 3 36 to 38 2to4 High 900rpm 74 13 07 2 1t0 2 3 36to 38 2104 High 900rpm 75 2 units 13 10 2 1t0 2 3 36to 38 2104 High 900rpm 75 16 07 2 0to 2 2 34to 36 2104 High 900rpm 7
8. Side cabinet right 2 Attachment 1 Insert the claw on the front left side into the side cabinet left 2 Hook the bottom part of the front right side onto the concave section of the bottom plate Insert the claw of the side cabinet right into the square hole in the front cabinet Square hole 3 Return the screws that were removed above to their original positions and attach them 101 Part name Procedure Remarks Inverter assembly 1 Perform work of item 1 in 1 2 Remove screw ST1T 4 x 8L 2 pcs of the upper part of the front cabinet f removing the inverter cover in this condition P C board can be checked If there is no space above the unit perform work of 1 in Be careful to check the inverter because high voltage circuit is incorporated in it 3 Perform discharging by connecting polarity by discharging resistance approx 1000 40W or plug of soldering iron to terminals a of the C14 printed CAUTION HIGH VOLTAGE is attached electrolytic capacitor 760p F on P C board Be careful to discharge the capacitor because the electrolytic capacitor cannot naturally discharge and voltage remains according to trouble type in some cases This capacitor is one with mass capacity Therefore it is dangerous that a large spark generates if short circuiting between
9. 2 Cut the jumper wire inside the battery compartment using nippers NOTE The jumper wire should not remain in contact after being cut Also be careful not to let plastic scraps jumper wire cuttings or other debris enter the inside of the remote controller 3 Insert the batteries B appears in the remote controller display Setting the unit 1 Push the RESET button to start automatic operation 2 Push the 5 button of the remote controller that was set in step 1 to stop the air conditioner This operation will change the setting to B 3 Check that the remote controller operates the indoor unit Cutting direction SLEEP ODE Y MEMO J s Jumper wire 4 CLOCK on JO vj sre WY CHECK When switching between settings A and B always switch the indoor unit board and the remote controller as a pair Otherwise the indoor unit will not accept the remote controller s signals OPERATION O IMER S CLEAN O reser RESET button 7 Y Fig 10 6 3 70 10 7 Useful Functions 10 7 1 Self Diagnosis by LED Indication For this outdoor unit by referring to the 5 LED Red indicator lights self diagnosis is possible LEDS Red D09 to D13 are located on the sub control board underneath the inverter LED indication Contents Indoor alarm code D10 D11 D12 g e Oo Ug m Normal runni
10. Also take care to avoid solder bridging with the surrounding components NOTE Once J231 is added the RESET button on the unit is designated for CLEAN OPERATION Set Cancel therefore the RESET button cannot be used for the selection Set Cancel of AUTO RESTART function Refer to 9 3 Auto Restart Function Item Operation flow and applicable data etc Description 17 Select switch on Purpose remote controller This operation is to operate only one indoor unit using one remote controller Description Push the operation button When operating one indoor unit in a on the remote controller situation where two indoor units have been installed in the same room or nearby rooms this operation prevents the remote controller signal from Select B as the setting for being received simultaneously by both Both indoor units one of the two indoor units and units thus preventing both units from start operation for the remote controller operating See below for details Operation The indoor unit on which the remote controller selection has been set to B receives the signal of the remote controller also set to B At the factory the remote controller selection is set to A on all the indoor units There is no A setting display Unnecessary set Remote controller select Setting the remote controller Switching between A and B is enabled by cutting the jumper wire inside the battery box using
11. 1 2 5 8 3 4 I I I O I oO 0 qe Fig 3 2 2 Relations between flare nut and flare seal surface 2 Flare Connecting Procedures and Precautions a Make sure that the flare and union portions do not have any scar or dust etc b Correctly align the processed flare surface with the union axis c Tighten the flare with designated torque by means of a torque wrench The tightening torque for R410A is the same as that for conventional R22 Incidentally when the torque is weak the gas leakage may occur When it is strong the flare nut may crack and may be made non removable When choosing the tightening torque comply with values designated by manufacturers Table 3 2 7 shows reference values NOTE When applying oil to the flare surface be sure to use oil designated by the manufacturer If any other oil is used the lubricating oils may deteriorate and cause the compressor to burn out Table 3 2 7 Tightening torque of flare for RA10A Reference values Tightening torque of torque wrenches available on the market Nem kgfecm 1 4 6 35 14 to 18 140 to 180 16 160 18 180 3 8 9 52 33 to 42 330 to 420 1 2 12 70 50 to 62 500 to 620 5 8 15 88 63 to 77 630 to 770 Tightening torque Nem kgfecm Nominal diameter Outer diameter mm Ee 3 3 Tools 3 3 1 Required Tools The service port diameter of packed valve of the outdoor unit in
12. 16V x 1 15V x 1 Fan motor For outdoor ICF 140 43 4R DC 140V 43W Relay 4 way valve G5NB 1A Coil DC 12V Contact 3A AC250V Relay Power relay G4A 1A PE Coil DC 12V Contact 20A AC250V Discharge temp sensor TD sensor Inverter attached 1 905kQ 120 C Outside air temp sensor TO sensor Inverter attached 10kQ 25 C TGa sensor Heat pump models Inverter attached 10kQ 25 C TGb sensor Heat pump models Inverter attached 10kQ 25 C Evaporator temp sensor TE sensor Inverter attached 10kQ 25 C Suction temp sensor TS sensor Inverter attached 10kQ 25 C Terminal block 9P AC 250V 20A For protection of switching power source F03 AC 250V 3 15A Fuse For protection of inverter input overcurrent FO1 AC 250V 25A For protection of power source AC 250V 6 3A Electrolytic capacitor LLQ2G761KHUATF DC 400V 760uF IGBT Q200 Q205 GT20J321 600V 20A Compressor DA130A1F 25F 3 phases 4 poles 1 100W Compressor thermo US622KXTMQO OFF 125 4 C ON 90 C Rectifier DB01 DBO2 D25XB60 Diode 600V 25A IGBT Q404 GT40Q321 IGBT 1200V 40A Reactor Main CH 57 FC CH 57 Z T L 10mH 16A Reactor Sub CH 76 TM1 CH 43 Z T L 10mH 1A Coil for P M V CAM MD12TF DC 12V Coil for 4 way valve STF 01AJ502E1 2
13. 43049791 43047674 43046445 43146722 37546848 002 Description Cabinet Front Cabinet Upper Cabinet Side Right Cabinet Side Left Guard Fan Guard Fin Base Ass y Cover Valve Packed Compressor DA130A1F 25F Condenser Ass y Valve Packed 6 35 Valve Packed 9 52 Bonnet 1 4 IN Bonnet 3 8 IN Nut Flare 6 35 Nut Flare 9 52 Cap Valve Packed 6 35 Cap Valve Packed 9 52 Cap Charge Port Valve 4 Way STF 0213Z Coil 4 Way Valve Valve P M V CAM B22YGTF 3 112 Location No 033 048 43046487 43058277 4302C068 43020329 43047669 43039394 43004233 4301V115 43032441 43089160 4301L506 43042485 43063321 43063322 43063325 43063339 43050407 43063317 43158192 4301V116 Description Coil P M V CAM MD12TF 12 Reactor CH 57 Z T Motor Fan ICF 140 43 4R Fan Propeller PJ421 Nut Flange Base Motor Plate Partition Plate FIx Valve Packed Nipple Drain Cap Waterproof Mark TOSHIBA IMS Rubber Cushion Holder Sensor 24 8 9 52 TD TGa TGb Holder Sensor 26 11 4 12 7 TS Holder Sensor 26 6 35 8 TE Holder Sensor TO Thermostat Bimetal Holder Thermostat Reactor CH 43 Z T Plate Connect Valve Packed 13 4 P C Board Layout 710 seg 701 Sensor TE x 702
14. N 1 M Piping port from Air filter Piping port from o v 162 left right sides left right sides Knockout system Installation plate o e 77 Name Plate 77 37 Refrigerant pipe connecting port Liquid side Knockout system 4 4 6 B From wall to air outlet length Remote controller holder Heat insulation Wireless remote controller 19 dia 14 Inner diameter dia 16 Outer diameter kej Flare dia 6 35 hanging section Outside length 0 4m Refrigerant pipe H 1 i H connecting port Gas side Flare dia 9 52 16PKVP E dia 12 7 Outside length 0 35m Lt E Drain hose VP16 re piate 312 Outside length 0 54mm anging section 100 590 100 Stud bolt hole re 450 gt For dia 8 to 10 2 312 3 Stud bolt hole Hanging a Eo For dia 8 to dia 10 section S 25 Minimum ME distance to 5 85 IN ceiling Ah ee T EM LO kar JL ra oo Minimum ppo ede Ca 0 3 Minimum eig Sitance vo am itane to cio wall e mg je wall te en S s 130 or more EE ada JK 130 or more 8 9 Recommend 5 X Recommend
15. O tn Zo Sig MO Nm aa S E o Sg OSI o e x Sp chs D g o Tao on 522 OC amp 235 LAN 7 c e o c o o 140 o e o e N x E 2 od o cN DD 2 Orso Too x co g29 o o9522 3 8 06535 co 2 2 23 OTA NN o o o A i o N o 80 90 70 Compressor speed rps Compressor speed rps 2 2 2 Capacity Variation Ratio According to Temperature RAS M18UAV E Cooling Cooling 105 115 Conditions Indoor DB 27 C Outdoor DB 35 C 110 lt D I z 2 ET Go o e o E N x 5p Ns G So DQ EO On oc 25 DL o e o o 9 ones Ajoedeg 7 c e o c o o Indoor DB 27 C WB 19 C Indoor air flow High 42 43 36 37 38 39 40 41 Outdoor temp C 35 34 Indoor air wet bulb temp C Capacity ratio 10096 2 5 2 kW 3 REFRIGERANT R410A This air conditioner adopts the new refrigerant HFC R410A which does not damage the ozone layer The working pressure of the new refrigerant R410A is 1 6 times higher than conventional refrigerant R22 The refrigerating oil is also changed in accordance with change of refrigerant so be careful that water dust and existing refrigerant or refrigerating oil are not entered in the refrigerant cycle of the air conditioner using the new refrigerant during installation work or servicing time The next section describes the p
16. Parts R01 R02 DBO1 C01 C03 IC01 and T101 are defective Is voltage DC12V or 5V indicated on rear of NO Does transmission mark on remote controller flash normally and is its signal transmitted properly Check Item Considerable principle cause Measures Item by symptoms NO Remote controller is defective YES Refer to 5 Troubleshooting for remote controller Replace main Does fan motor connector between CN301 short circuit YES indoor control board normal Is DC310 340V Parts of a power supply circuit Microcomputer is defective P C board supplied between CN10 0 0 defective Replace fan motor Be sure to disconnect the motor connector CN301 after shut off the power supply or it will be a cause of damage of the motor 2 Power of indoor unit does not turned on though Indoor P C board is replaced Confirmation procedure Turn on power supply Does OPERATION indicator flash YES YES Is wired correctly to white and black lead wires of terminal block To item of 79 Power supply is not turned on 3 Only the indoor motor fan does not operate lt Primary check gt 1 Is it possible to detect the power supply voltage AC220 240V between 1 and 2
17. Swing operation is performed in width 35 with the stop position as the centre If the stop position exceeds either upper or lower limit position swing operation is performed in width 35 from the limit which the stop position exceeded 38 Item Operation flow and applicable data etc Description 10 SLEEP MODE operation When pushing SLEEP MODE button on the remote controller a quiet and mild operation is performed by reducing the fan speed and the compressor speed lt Cooling operation gt This function operates the air conditioner with the difference between the set and the room temperature as shown in the following figure The time correction is performed for 8 minutes each B E NN EN NS SN NNN Room temp Set temp BEEREEE ENS eun SONS TNS lt Heating operation gt 30 minutes Fan speed Time correction gt Time Compressor 39 Cooling operation 1 The indoor fan speed is controlled between W6 and W3 The compressor speed in control as shown in the left figure The set temperature increased 0 5 C per hour up to 2 C starting from the set temperature when SLEEP MODE has been received Heating operation 1 2 The indoor fan speed is controlled within W7 as maximum value The louver position is set horizontally Standard cooling position when the room temperature comes close to the set
18. Test operation 1 When performing the test operation during the summer months proceed with the cooling operation first and after the room temperature has dropped perform the heating operation Heating operation Remote control temperature setting of 30 C When performing the test operation during the winter months proceed with the heating operation first and then perform the cooling operation Cooling operation Remote control temperature setting of 17 C The test operation must be performed without fail one room at a time for all the rooms concerned and the operations for cooling and heating must each be performed for at least 10 minutes The cooling and heating operations can be performed using the room temperature sensors of the indoor units Cooling operation Expose the room temperature sensor to a hair dryer or other heating device Heating operation Hold a chilled towel or other article up against the room temperature sensor What is to be explained to the customers 69 While referring to the OWNER S MANUAL which is provided with the indoor unit have the customers actually use the controls on the unit for themselves and show them how to operate the unit correctly Do not select the cooling operation and heating operation at the same time When these indoor units in two or more rooms are to be operated at the same time the type of operation in the room where operation was fi
19. and the display of the remote controller will change as follows i ASK AUTOAX OO g Dr gee ao Ht HiPOWER AM WB BH CHK UO C T T MA gt MI gt p ee o d de al LILI et Lig I 1 The TIMER indicator of the indoor unit flashes continuously 5 times per 1 sec Check the unit with all 52 check codes HH to 13 as shown in Table 11 4 1 Press ON A or OFF V button to change the check code backward If there is a fault the indoor unit will beep for 10 seconds Beep Beep Beep Note the check code on the display of the remote controller 2 digits alphanumeric will be indicated on the display All indicators on the indoor unit will flash 5 times per 1 sec Alphanumeric characters are used for the check codes 5 is 5 5 is 6 H is A b is B F s LISE Bs iis 3 Press START STOP button to release the service mode The display of the remote controller returns to as it was before service mode was engaged 4 Time shortening method 1 Press SET button while pushing CHECK button 2 Press START STOP button Fig 11 4 1 76 11 4 2 Check Code 1 After servicing press the START STOP button to return to the normal mode After servicing by the check code turn off breaker of the power supply and turn on breaker of the power supply again so that memory in the microcomputer returns the initial status However the check codes
20. 1 Flare processing dimensions dimension A by using a gauge for size adjustment Table 3 2 3 Dimensions related to flare processing for RA10A A mm Nominal Outer diameter Thickness Flare tool for RA10A Conventional flare tool diameter mm mm clutch type Clutch type Wing nut type 1 4 6 35 0 8 0 to 0 5 1 0 to 1 5 1 5 to 2 0 3 8 9 52 0 8 0 to 0 5 1 0 to 1 5 1 5 to 2 0 1 2 12 70 0 8 0 to 0 5 1 0 to 1 5 2 0 to 2 5 5 8 15 88 1 0 0 to 0 5 1 0 to 1 5 Table 3 2 4 Dimensions related to flare processing for R22 A mm 2 0 to 2 5 Nominal Outer diameter Thickness diameter mm mm Flare tool for R22 Conventional flare tool clutch type Clutch type Wing nut type 1 4 6 35 0 8 0 to 0 5 0 5 to 1 0 1 0 to 1 5 3 8 9 52 0 8 0 to 0 5 0 5 to 1 0 1 0 to 1 5 1 2 12 70 0 8 0 to 0 5 0 5 to 1 0 1 5 to 2 0 5 8 15 88 1 0 0 to 0 5 0 5 to 1 0 Table 3 2 5 Flare and flare nut dimensions for R410A Nominal Outer diameter Thickness Dimension mm diameter mm mm B C 1 5 to 2 0 Flare nut width mm 1 4 6 35 0 8 9 2 6 5 17 3 8 9 52 0 8 13 5 9 7 22 1 2 12 70 0 8 16 0 12 9 26 5 8 15 88 1 0 19 0 16 0 11 29 Table 3 2 6 Flare and flare nut dimensions for R22 Nominal Outer diameter Thickness Dimension mm Flare nut width diameter mm mm B C mm 1 4 3 8
21. 180 or more mw polle Sinn m 80 or more Y y AK EL P DERE SS E RA EE N CY it Lower part Lower part a NX NU hanging section hanging section gt So S Center line Ze oo o of main unit Shape line o Center ine ot installation plate 330 330 gt E L 790 J sI 19 Drain hose detail 4 2 Outdoor Unit RAS M18UAV E Heat pump models dia 1 1 14U shape hole For dia 8 10 anchor bolt 600 90 J dia 11x14 long hole For dia 8 10 anchor bolt 257 ii Fan guard 449 A SEE NS Q SS SS SS 8 dia 7 hole For fixing outdoor unit dia 7 hole pitch 320 Anchor bolt long hole pitch Connecting pipe port Pipe dia 6 35 Pipe dia 9 52 Pipe dia 6 35 Pipe dia 9 52 ND ND 501 88 474747 E LI 25 Mounting dimensions of anchor bolt Fin guard When installing the outdoor unit 600 leave open in at least two of 2 dia 11 x 14U shape hole Intake directions A B C and D for dia 8 10 anchor bolt shown in the figure below 50 or more I 250 or more Outside line Minimum distance of product from wall
22. 2 dia 11 X 14 long hole for dia 8 10 anchor bolt Outlet 18 Outside line 1 of product Outside line of product Detailed leg part t Bun A un 5 WIRING DIAGRAM 5 1 Indoor Unit RAS M10PKVP E RAS M13PKVP E RAS M16PKVP E Air purifier electrode High voltage Power supply To outdoor unit IS EU N ZNA Indoor terminal block 3 Heat exchanger Sheet metal RED WHI See reker 27 CN402 CN401 WHI RED pres Heat exchanger sensor 1 20 TC Power supply circuit i 18 14 i 1 2X2 T3 15A 250VAC TC Fuse F01 II w R01 I QW Thermo sensor V ristor Line TA filter Main P C Board MCC 5068A J CN801 rer motor horizontal NI NII INS 0000000000 too XS XEAN Wireless unit assembly MCC 5068B Moving panel Fan motor 19 5 2 Outdoor Uni RAS M18UAV E Heat pump models ZH09 A0cc Alddf lS LINN V LINN ZHOG AOvc 0cc HaAMOd YOOGNI OL BOOONI OL MOTIAA TAA Q3 03 JONVYO NYO dania n1a SLIHMHM MOV 18 14 NOLLVOIALLN3GI 901090 lt 4 YOSSIYANOD 10 IVLSOWHSHL re O O MOSN3S dL ol Jdid N3SN30NOO gL MOSN3S diN3L ol Jdid JOYVHOSIC NN
23. 3 2 2 Table 3 2 2 Minimum thicknesses of socket joints Nominal diameter Reference outer diameter of Minimum joint thickness mm copper pipe jointed mm 1 4 6 35 0 50 3 8 9 52 0 60 1 2 12 70 0 70 5 8 15 88 0 80 3 2 2 Processing of Piping Materials When performing the refrigerant piping installation care should be taken to ensure that water or dust does not enter the pipe interior that no other oil than lubricating oils used in the installed air water heat pump is used and that refrigerant does not leak When using lubricating oils in the piping processing use such lubricating oils whose water content has been removed When stored be sure to seal the container with an airtight cap or any other cover 1 Flare processing procedures and precautions a Cutting the Pipe By means of a pipe cutter slowly cut the pipe so that it is not deformed b Removing Burrs and Chips If the flared section has chips or burrs refrigerant leakage may occur Carefully remove all burrs and clean the cut surface before installation c Insertion of Flare Nut 10 d Flare Processing Make certain that a clamp bar and copper pipe have been cleaned By means of the clamp bar perform the flare processing correctly Use either a flare tool for R410A or conventional flare tool Flare processing dimensions differ according to the type of flare tool When using a conventional flare tool be sure to secure Fig 3 2
24. 68 to 10 06 1440 260 to 2170 16 2 85 5 2 14 to 6 2 6 75 1 68 to 10 06 1440 260 to 2170 07 2 0 2 0 1 1 to 3 0 2 30 1 37 to 3 66 460 220 to 800 10 2 7 2 7 1 110 3 2 3 10 1 37 to 3 66 630 220 to 800 13 3 7 3 7 1 1 to 4 2 5 00 1 37 to 6 21 1440 260 to 2170 1100 220 to 1400 16 4 5 4 5 1 1 to 4 9 6 70 1 37 to 7 23 1500 220 to 1700 07 4 0 14 to 4 8 960 260 to 2150 10 4 6 14 to 6 0 5 61 1 61 to 9 54 1200 260 to 2150 10 5 1 14 to 6 1 6 45 6 45 4 50 1 61 to 9 54 1 61 to 9 54 1 61 to 9 63 6 45 1 61 to 9 63 1410 260 to 2150 1440 260 to 2170 6 45 1 61 to 9 63 1440 260 to 2170 6 45 1 61 to 9 63 1440 260 to 2170 6 45 1 61 to 9 63 1440 260 to 2170 6 45 1 61 to 9 63 1440 260 to 2170 2 20 460 220 to 800 2 98 1 31 to 3 51 630 220 to 800 4 77 1 31 to 5 95 1100 220 to 1400 6 44 1 31 to 7 23 1500 220 to 1700 2 units 960 260 to 2150 5 38 1 55 to 9 14 1200 260 to 2150 6 18 1 55 to 9 14 1410 260 to 2150 6 19 1 55 to 9 23 1440 260 to 2170 6 19 1 55 to 9 23 1440 260 to 2170 6 19 1 55 to 9 23 1440 260 to 2170 6 19 1 55 to 9 23 1440 260 to 2170 6 19 1 55 to 9 23 1440 260 to 2170 Heat
25. Installation manual 1 1 1 Installation manual 1 Outdoor unit Drain nipple 1 Water proof rubber cap 2 For performance when each indoor unit is combined with other unit refer to the separate table The specifications may be subject to change without notice for purpose of improvement 2 2 Performance Specifications Combinations of Indoor Unit lt Cooling gt RAS M18UAV E Operation mode Operation status Operating indoor unit Unit capacity kW A A Capacity kW Running current A Power Consumption Ww Cooling 1 unit 07 2 0 2 0 1 1 to 3 0 2 40 1 43 to 3 83 460 220 to 800 10 2 7 2 7 1 1 to 3 2 3 25 1 43 to 3 83 630 220 to 800 13 3 7 37 1 1 to 4 2 5 21 1 43 to 6 49 1100 220 to 1400 16 4 5 4 5 1 1 to 4 9 1500 220 to 1700 07 2 00 4 0 14 to 4 8 4 69 1 68 to 9 97 960 260 to 2150 10 2 65 4 6 14 to 6 0 5 87 1 68 to 9 97 1200 260 to 2150 10 2 55 5 1 14 t0 6 1 7 03 1 43 to 7 88 6 75 1 68 to 9 97 1410 260 to 2150 13 3 38 5 2 14 to 6 1 6 75 1 68 to 10 06 1440 260 to 2170 13 3 00 52 14106 2 6 75 1 68 to 10 06 1440 260 to 2170 16 3 60 5 2 14 to 6 2 6 75 1 68 to 10 06 16 3 25 52 14 to 6 2 6 75 1 68 to 10 06 1440 260 to 2170 13 2 60 52 14 to 6 2 6 75 1
26. MANUAL mode is in stability 2 Fan speed M L x 2 5 L A When Tsc gt 24 A is 24 and when Tsc lt 24 A is Tsc 3 Fan speed M L x 3 5 L Tsc Set value 4 Fan speed M L x 4 5 L Calculated with linear approximation from M and L 5 Fan speed H M x 1 5 M 6 Fan speed H M x 2 5 M 7 Fan speed H M x 3 5 M 8 Fan speed H M x 4 5 M Calculated with linear approximation from H and M 32 Item Operation flow and applicable data etc Description 2 Indoor fan motor control Continued In starting and in stability e Until 12 minutes passed after operation start When 12 to 25 minutes passed after operation start FAN AUTO e When 12 to 25 minutes passed after operation start And room temp is higher than set temp 3 C and room temp is 3 C or lower than set temp When 25 minutes or more passed after operation start FAN Manual e Room temp lt Set temp 4 C Room temp gt Set temp 3 5 C Table 2 Indoor fan air flow rate Heating RAS M10PKVP E RAS M13PKVP E RAS M16PKVP E Fan speed level Fan speed Air flow rate Fan speed Air flow rate Fan speed Air flow rate rpm m3 h rpm m h rpm m3 h Item Operation flow and applicable data etc Description 3 Outdoor fan The blowing air volume at the outdoor unit side is controlled mo
27. ON The compressor does not operate while compressor restart delay timer 3 minutes timer operates The same phenomenon is found after power source has been turned on because 3 minutes timer operates In DRY and SLEEP MODE FAN air flow display does not change even though FAN air flow select button is operated The air flow indication is fixed to AUTO Increasing of compressor motor speed stops approx 30 seconds after operation started and then compressor motor speed increases again approx 30 seconds after For smooth operation of the compressor the compressor motor speed is restricted to Max 41 rps for 2 minutes and Max 91 rps for 2 minutes to 3 minutes respectively after the operation has started The set value of the remote control should be below the room temperature If the set value is above the room temperature Cooling operation is not performed And check whether battery of the remote control is consumed or not In AUTO mode the operation mode is changed After selecting Cool or Heat mode select an operation mode again if the compressor keeps stop status for 15 minutes In HEAT mode the compressor motor speed does not increase up to the maximum speed or decreases before the temperature arrives at the set temperature The compressor motor speed may decrease by high temp release control Release protective operation by temp up of the indoor heat exchanger or current release
28. Outdoor sensor temp C Heating operation Compressor revolution rps Fan revolution TO gt 10 C 5 5 TOx 10 Normal operation 5 lt TO lt 5 5 TO lt 5 TO gt 10 C 5 5 TO 10 Sleep operation 5 lt TO lt 5 5 TO lt 5 TO is abnormal TO Outdoor sensor temp C Item Operation flow and applicable data etc Description 4 Capacity Two indoor units from A and B determine the respective instruction revolutions from the difference control between the remote controller setting temperature Ts and the indoor temperature Ta and transmit this to the outdoor unit compressor at the calculated revolutions Outdoor unit Indoor unit A Indoor unit B No of operating unit No of operating unit Compressor revolution rps 13 to 45 13 to 45 13 to 71 13 to 79 Operation mode Combination of indoor units Operation mode The outdoor unit receives the instructions from the indoor units and the inverter operates the The compressor operation range in each operating mode is shown in the left table Inverter Compressor Compressor revolution rps 13 to 76 Combination of indoor units 13 to 76 13 to 99 13 to 102 15 to 83 15 to 83 Cooling 15 to 83 Heating 15 to 83 2 units 15 to 83 2 units 15 to 83 15 to 83 15 to 83 15 to 83
29. P C board base Two screws PT2F 4X10MS ZN CN14 CNO2 CNO1 NO3 CN04 CNO05 CI CNO7 CNi0 me cml gu Sub P C board CN300 CN701 CN600 and CN603 are connectors with locking mechanisms as such to disconnect them they must be pressed in the direction of the arrow while pulling them out amp P C board base P C board Part name Procedure Remarks Side cabinet Side cabinet right 1 Perform step 1 in 2 and all the steps in 2 Remove the fixing screw ST1T 4 x 8L 5 pcs used for securing the side cabinet to the bottom plate and valve fixing panel Side cabinet left 1 Perform step 1 in 2 Remove the fixing screw ST1T 4 x 8L 1 pcs used to secure the side cabinet left onto the heat exchanger 3 Remove the fixing screw ST1T 4 x 8L 2 pc used for securing the side cabinet to the bottom plate and heat exchanger Detail A Detail B d A A A gt Fan motor 1 Perform work of item 1 of 1 and 2 2 Remove the flange nut fixing the fan motor and the propeller Flange nut is loosened by turning clockwise To tighten the flange nut turn counterclockwise 3 Remove the propeller fan 4 Disconnect the connector for fan motor from the inverter 5 Remove the fixing screws 2 pc h
30. RAS M13PKVP E RAS M16PKVP E Height mm 295 295 295 Dimension Width mm 790 790 790 Indoor unit Depth mm 242 242 242 Net weight kg 12 12 12 Fan motor output W 30 30 30 Air flow rate Cooling Heating m h 640 640 690 690 750 750 Height mm 550 Dimension Width mm 780 Depth mm 290 Net weight kg 41 Outdoor unit Motor output W 1100 Compressor Type Twin rotary type with DC inverter variable speed control Model DA130A1F 25F Fan motor output W 43 Air flow rate m h 2300 2400 Type Flare connection indeed Unit model RAS MiOPKVP E Liquid side Gas side 6 35 29 52 Outdoor unit Liquid side Gas side 26 35 29 52 Maximum length per unit m 20 Piping connection Maximum length total m 30 Maximum chargeless length total m 20 Maximum height difference m 10 Additional refrigerant 20g m pipe length 21m to 30m Name of refrigerant R410A Weight kg 1 20 Wiring connection Power supply 3 Wires includes earth Interconnection 4 Wires includes earth Usable temperature range Indoor Cooling Heating C 21 to 32 0 to 27 Outdoor Cooling Heating C 5 to 43 15 to 24 Unit model RAS M10PKVP E RAS M13PKVP E RAS M16PKVP E Installation plate 1 1 1 Wireless remote controller 1 1 1 Batteries 2 2 2 Indoor unit Remote controller holder 1 1 1 Remote controller holder mounting screw 2 3 1 x 16L 2 03 1 x 16L 2 93 1 x 16L Accessory i Owner s manual 1 1 1 Mounting screw 6 4 x 25L 6 4 x 25L 6 4 x 25L
31. Simply Judge Whether Outdoor Fan Motor is Good or Bad 1 Symptom Outdoor fan motor does not rotate Outdoor fan motor stops within several tens seconds though it started rotating Outdoor fan motor rotates or does not rotate according to the position where the fan stopped etc Remote controller check code 02 Outdoor block 1A Outdoor fan drive system error 2 Cause The following causes are considered when the outdoor fan motor does not normally rotate 1 Mechanical lock of the outdoor fan motor 2 Winding failure of the outdoor fan motor 3 Position detect circuit failure inside of the outdoor fan motor 4 Motor drive circuit failure of the outdoor P C board 3 How to simply judge whether outdoor fan motor is good or bad Turn OFF the breaker Disconnect two connectors CN300 of the outdoor fan motor from the outdoor P C board Does the fan rotate without trouble when rotating it with hands If the resistance value between Red lead White lead White lead Black lead Black lead Red lead of the connector CN300 Motor winding is 20 to 220 it is normal CN300 Fan motor is normal Outdoor P C board error Fan motor error NOTE However GND circuit error inside of the motor may be accepted in some cases when the above check is performed When the fan motor does not become normal even if P C board is replaced replace the out
32. Whether protective circuit operates When no signal is received from the outdoor unit controller it is assumed as a trouble Operation control of outdoor fan motor Operations followed to P M V control 4 way valve control judgment of serial signal from indoor side 9 2 Operation Description 9 2 iA BAS OPEN ease CT 28 Ta Operation controls arseen 28 2 Operating mode selection when performing 2 room operation nonnen eenen 29 3 Cooling Heating operation iL za knute date td addere nl eene 29 4 AUTO operatlOn rre theo ERE nee pet Rene Osee Ex e deedeetee 30 5 DRY OperatlOli uei ee eta tpe n ER HERR TRE EAR dees RIA HN SER a hane 30 2 Indoor fan motor control nennen ner enen E a A aa 31 zilrierorelInfoajer iron 31 n heating operation Heat pump model ene 32 3 Outdoor fan motor control neen ainda eere ap aa ah a aian enhn n entere senen nN E 34 4 Capacity control i aiii ea th EE e EE e E PET e aa da 35 5 Current release Control nnee en ennenennene rennen een ennennnnenneeneenreenvenennennnnnnenensenvenennnnnen 35 6 Release protective control by temperature of indoor heat exchanger nnee ennen 36 T Winding Coil heating control irste en a O 37 8 Defrost control Only in heating operation unne i aa 37 9 Lo vereontroll tn ennen aen eend 38 JE qeouD c 38 2 Air
33. al i MOSN3S ANAL won ar HOLON NV4 O E HOSNAS dNIL ol Old 104 3dld NOLLONS FEN AO0GZ VET SL ASN e HOSN3S dWAL ol did 30IS EA YOLOVIY q HOSN3S ANAL D lt 3 Addad avel ST pm HOLDVAN HOLO L d Old 2a ex 6009 IIN en 109 SAA AVM asd Noz on 0020 GYVOB D d ay a mo LINN V Do AOSC 104 Harr UT ANd V 9L Pc uo i aSa JAVA E A irse fusis eee ed NOSS3HdWOO SOLON 9r ay IS INd SI ZINO SLOS OON gt CD Gane Jor quvos od AWd wo UE ee ee ee ER 20 6 SPECIFICATIONS OF ELECTRICAL PARTS 6 1 Indoor Unit RAS M10PKVP E RAS M13PKVP E RAS M16PKVP E Parts name Type Specifications Fan motor for indoor unit ICF 340 30 4 DC 280 340 V 30 W Room temp sensor TA sensor 10 kQ at 25 C Heat exchanger temp sensor TC sensor 10 kQ at 25 C Heat exchanger temp sensor TCj sensor 10 kQ at 25 C Humidity sensor C7 M3R TC2 31 KQ 60 RH Louver motor Right Left Horizontal MP24Z3N Output Rated 1 W 16 poles DC12 V Louver motor Moving panel MP24Z4N 6 2 Outdoor Unit RAS M18UAV E Parts name Model name Output Rated 1 W 16 poles DC12 V Rating SC coil Noise filter L03 ADR2520 R15TB AC 250V 20A 0 15mH SC coil Noise filter LO1 ADR25H 200R8TB AC 250V 20A 0 88mH DC DC transformer SWT 72 Primary side DC 280V Secondary side 7 5V x 1 13V x 126 5V x 3
34. are not deleted even if the power supply is turned off because they are stored in the fixed memory 3 After servicing press CLR button under check mode status and then send the check code 7F to the indoor unit The error code stored in memory is cleared Block distinction Table 11 4 1 Operation of diagnosis function Check code Block Air conditioner status Cause of operation Remarks Judgment and action Indoor P C board etc Vir LILI Short circuit or disconnection of the room temperature sensor TA sensor Operation continues Displayed when error is detected Check the room temp sensor When the room temp sensor is normal check P C board Being out of place disconnection short circuit or migration of heat exchanger sensor TC sensor Operation continues Displayed when error is detected Check heat exchanger sensor When heat exchanger sensor is normal check P C board Being out of place disconnection short circuit or migration of heat exchanger sensor TCj sensor Operation continues Displayed when error is detected Check heat exchanger sensor When heat exchanger sensor is normal check P C board Lock of indoor fan or trouble on the indoor fan circuit Displayed when error is detected Check the motor 2 When the motor is normal check P C board Not displayed cable and Connecting I
35. beep is heard 6 Set vertical air flow button FIX Push this button to adjust the vertical air flow direction A receiving beep is heard 49 7 Auto louver button SWING Each time you push the SWING button you can change the swing mode A receiving beep is heard Vertical swing Horizontal swing Vertical and Horizontal swing Stop swinging Push the button again to stop the swinging mode A receiving beep is heard 6 ON timer button ON Use this button to change the clock and ON timer times To move up the time push A of the ON button To move down the time push V of the ON button 9 OFF timer button OFF Use this button to change the OFF timer times To move up the time push A of the OFF button To move down the time push V of the OFF button 10 Reserve button SET Push this button to store the time settings A receiving beep is heard 11 Cancel button CLR Push this button to cancel the ON timer and OFF timer A receiving beep is heard 12 High power button Hi POWER Push this button to start high power operation 13 Memory button MEMO Push this button to ready for storing the settings Hold down the button for 3 seconds or more to store the mark is displayed 14 Automatic operation button AUTO Push this button to operate the air conditioner automatically A receiving beep is heard 15 SLEEP MODE button Push this button to start sleep mode
36. following table 3 The indoor fan stops for the indoor unit that was pushed last and which instructions are ignored Pushed Indoor unit first Set operating mode Cooling dry Actual indoor unit operation Cooling dry Pushed ast Cooling dry Cooling dry Actual outdoor unit operation Cooling Pushed first Heating Heating Pushed ast Heating Heating Heating Pushed first Fan solo air purification Fan solo air purification Pushed ast Fan solo air purification Fan solo air purification Stopped Pushed first Fan solo air purification Fan solo air purification Pushed ast Cooling dry Cooling dry Cooling Pushed first Cooling dry Cooling dry Pushed ast Fan solo air purification Fan solo air purification Cooling Pushed first Cooling dry Cooling dry Pushed ast Heating Fan stopped Cooling Pushed first Heating Heating Pushed ast Cooling dry Fan stopped Heating Pushed first Fan solo air purification Fan solo air purification Pushed ast Heating Fan stopped Stopped Pushed first Heating Heating Pushed ast Fan solo air purification Fan stopped Heating Pushed first eaning operation eaning operation Pushed ast eaning operation Sto
37. for the specified period the unit stops operating Clean operation times Operation mode Operation time Clean operation time No clean operation performed 0 minutes 10 minutes or longer 4 hours Heating Auto heating Shutdown To stop an ongoing clean operation at any time within 10 minutes 43 Auto fan only No clean operation performed Push the start stop button on the remote controller twice during the clean operation After pushing the button for the first time push it for the second time without delay Item Operation flow and applicable data etc Description 16 Clean operation cancel Setting the clean operation cancel Add J231 of the wireless unit P C board assembly This cancels the auto restart function Hold down the RESET button on the indoor unit for at least 3 seconds but not more than 10 seconds The indoor unit s buzzer emits three beeps This completes the clean operation cancel setting Setting the clean operation Hold down the RESET button on the indoor unit for at least 3 seconds but not more than 10 seconds The indoor unit s buzzer emits three beeps and the OPERATION indicator flashes at 5 Hz intervals This completes the clean operation setting Indoor P C board MCC 5068B 44 NCAUTION J231 will be near the MCU so take steps to ensure that it will not be exposed to excessive levels of heat
38. liquid form it can fill quickly Therefore perform the filling operation NOTE carefully and insert the refrigerant gradually Periodical inspections for refrigerant leaks may be required depending on European or local legislation Precautions for the refrigerant Gas leak check This product contains fluorinated greenhouse gases covered by the Kyoto Protocol Check for gas leaks at all connections of the Chemical name of gas R410A indoor unit and outdoor unit Global Warming Potential GWP of gas 1975 For R410A use the leak detector exclusively manufactured for R410A refrigerant 1 Paste the enclose refrigerant label adjacent to the charging and or recovering location 2 Clearly write the charge refrigerant quantity on the refrigerant label using indelible ink 3 Prevent emission of the contained fluorinated greenhouse gas Ensure that the fluorinated greenhouse gas is never vented the atmosphere during installation Flats nut connections service or disposal el When any leakage of the contained fluorinated greenhouse gas is detected the leak shall be Flare nut connections Outdoor unit stopped and repaired as soon as possible Valve OE Service port cap connection 4 Only qualified service personnel are allowed to access and service is product Fig 10 5 12 66 Insulating the pipes Insulate the pipes separately for the liquid side and gas side Refr
39. of compressor Missed phase Discharge temp exceeded 117 C Break down of compressor Displayed when error is detected Displayed when error is detected Check dischage temp sensor TD Gas leakage Trouble on P M V Check power voltage 220 230 240 V 10 Overload operation of refrigeration cycle Check installation condition Short circuit of outdoor diffuser 4 way valve inverse error TC sensor value lowered during heating operation Operation continues Check 4 way valve operation P M V error Displayed when error is detected Check LED D09 D13 on inverter P C board Check connection of P M V wiring Start operation Excluding error room If the same error is occurred Replace P M V 11 5 Judgment of Trouble by Symptom 11 5 1 Indoor Unit Including Remote Controller 1 Power of indoor unit does not turned on lt Primary check gt 1 Is the supply voltage normal 2 Is the normal voltage provided to the outdoor unit 3 Is the crossover cable connected properly 4 Is the fuse F01 blown Turn off power supply once and 60 second later turn it on again NO Is OPERATION indicator flashing YES Is it possible to turn on power supply by pushing START STOP button on remote controller YES Unit operates normally Is fuse F01 of indoor control board blown
40. on the terminal block 2 Does the indoor fan motor operate in cooling operation In heating operation the indoor fan motor does not operate for approximately 10 minutes after it is turned on to prevent a cold air from blowing in Turn off power supply once and turn it on again Is it possible to detect DC 1V or more between NO and 8 of motor connector CN301 Does fan motor YES continue to operate Start to operate indoor unit in cooling operation at airflow level LOW Is it possible to detect Does indoor DC 310 340V between fan operate OMG and 3 Q of motor YES connector CN301 YES Turn off indoor unit and remove connector from motor Then push START STOP button on remote controller to stop flashing lamp on indoor unit Motor connection condition Is it possible to detect DC 15V between 4 and of motor connector CN301 YES Is it possible to detect DC 15V between 2 Change airflow level to HIGH and 3 of motor connector CN301 YES Start to operate the indoor unit in except heating operation At this time is it possible to detect DC 1V or more between 5 and 8 of motor connector CN301 Turn off indoor unit and remove connector from motor Then start to operate indoor unit with remote controller YES Start to operate the indoor
41. or H on the L a L M 2 L M 2 remote controller the operation M Lam WA WC is performed with the constant Y VETUS M HD 7 speed shown in Fig 1 aaa M H 2 M H 2 When the fan speed mode is H asf WD WE manual and TA lt 22 C and the compressor stops the fan speed is controlled from W2 20 seconds to 0 rpm 40 seconds Hi Power AUTO on the remote controller M WC H WD revolution of the fan motor is controlled to the fan speed level shown in Fig 2 and Table 1 according to the setup 7 6 7 g temperature room temperature and heat exchanger temperature When the fan speed mode is 3 Fanspeed M L x3 4 L 6 Fan speed H L x 3 4 L AUTO and the compressor 4 Fan speed M L x 2 4 L 7 Fan speed H L x 2 4 L Stops the fan speed is 5 Fan speed M L x 1 4 L 8 Fan speed H L x 1 4 L controlled from W2 20 seconds Linear approximation from M and L to 0 rpm 40 seconds Table 1 Indoor fan air flow rate Cooling Dry RAS M10PKVP E RAS M13PKVP E RAS M16PKVP E Fan speed level Fan speed Air flow rate Fan speed Air flow rate Fan speed Air flow rate rpm m h rpm m h rpm m h 31 Item Operation flow and applicable data etc Description 2 Indoor fan In heating operation Heat pump model When setting the fan sp
42. polarity with screwdriver etc for discharging 4 Remove the front cabinet by performing step 1 in 2 and remove the fixing screws ST1T 4 x 8L for securing the main body and inverter box 5 Remove screw ST1T 4 x 8L 2 pcs fixing the main body and the inverter box 6 Remove various lead wires from the holder at upper part of the inverter box 7 Pull the inverter box upward 8 Disconnect connectors of various lead wires Requirement As each connector has a lock mechanism avoid to remove the connector by holding the lead wire but by holding the connector 102 Inverter cover P C board Soldered surface Discharging position Discharging period 10 seconds or more soldering iron A screw S STIT 4X8MSZN Terminal block N Put the compressor Put each leads leads through the hole through the hole The connector is one with lock so remove it while pushing the part indicated by an arrow Be sure to remove the connector by holding the connector not by pulling the lead wire Part name Procedure Remarks Control board assembly Disconnect the leads and connectors connected to the other parts from the control board assembly 1 Leads 3 leads black white orange connected to terminal block Lead connected to compressor Disconnect the connector 3P Lead connected to reactor Disconnect the two connectors 2P 2 Connector
43. recommended to procure an antifreeze heater locally for a safe installation of the air conditioner For details contact the dealer The indoor and outdoor units that can be used in combination are shown in the tables below 2 SPECIFICATIONS Table of models that can be connected Heat pump Outdoor unit RAS M18UAV E Indoor unit RAS M10PKVP E RAS M13PKVP E RAS M16PKVP E RAS M10PKVP ND RAS M13PKVP ND RAS M16PKVP ND RAS B10UFV E RAS B13UFV E RAS MO7SKV E RAS M10SKV E RAS M10GDV E RAS M13SKV E RAS M13GDV E RAS M16SKV E RAS M16GDV E RAS M10SMUV E Table of models that can be used in combination Outdoor unit RAS M13SMUV E RAS M16SMUV E Combinations of indoor unit models that can be connected Heat pump RAS M18UAV E 07 07 07 10 07 13 07 16 10 10 10 13 10 16 13 13 13 16 A 1 room connection is not an option for the indoor units you cannot connect only one indoor unit A 2 room connection must always be used for the indoor units you must connect two indoor units With the RAS M18UAV E outdoor unit model the 16 16 combination is not an option The contents noted in this service manual limit the indoor units to the RAS M10PKVP E RAS M13PKVP E RAS M16PKVP E For other indoor units that can also be used in combination see the service manual of each indoor unit Indoor unit File No RAS MO7SKV E RAS M
44. room connection is not an option for the indoor units you cannot connect only one indoor unit A 2 room connection must always be used for the indoor units you must connect two indoor units With the RAS M18UAV E outdoor unit model the 16 16 combination is not an option 61 10 5 Installation of Outdoor Unit 10 5 1 Installation Location A place which can bear the weight of the outdoor unit and does not allow an increase in noise level and vibration A place where the operation noise and discharged air do not disturb neighbors A place which is not exposed to a strong wind A place free of combustible gases A place which does not block a passageway When the outdoor unit is to be installed in an elevated position be sure to secure its feet If the outdoor unit is to be mounted on a wall make sure the platform supporting it is sturdy enough The base plate should be designed and manufactured to maintain its strength over a long period of time and sufficient consideration should be given to ensuring that the outdoor unit will not fall When the outdoor unit is to be mounted high on a wall take particular care to ensure that parts do not fall and that the installer is protected Necessary space for installation NOTE When doing installation work at ground level it is usual to make wiring and pipe connections to the indoor units first and then to make connections to the outdoor units Ho
45. temperature or when 25 minutes passed after starting SLEEP MODE operation Item Operation flow and applicable data etc Description 11 Temporary Pushing RESET button starts the temporary When pushing RESET button the operation operation of AUTO operation When keeping temporary AUTO operation starts RESET button pushed for 10 seconds or more the When keeping RESET button pushed for 3 temporary COOL operation is performed seconds or more beep beep beep sound is heard and AUTO RESTART control is changed a YES When keeping RESET button pushed for PURE indicator Orange ON Push RESET button 10 seconds or more beep sound is heard NO and the temporary COOL operation starts Did you push RESET button NO 1 AUTO ti If the filter lamp goes on push RESET for 3 seconds or more SIRE operation button to go off the filter lamp and then YES push RESET button again Did you push RESET button YES To stop the temporary operation push the for 10 seconds or more button again NO Switch to AUTO RESTART control Temporary COOL Operation 12 Air purifying control Purpose This function generates negative ion while Operation button cleaning the air in the room Present status PURE button Air conditioner The air purifying control function is to alert Stop Air purifier AC operation the user that something is wrong in the Air purifier only Stop All AC Air purifier
46. the air conditioner this function also controls the open degree of valve with an expansion valve with pulse motor Starting up Initialize Move to initial position Compressor ON SH control TD release control PMV open degree control remote controller Thermo OFF Def Setup value Setup value Setup value Power OFF Y SH Super Heat amount PMV Pulse Motor Valve 42 Purpose This function detects error on the refrigerating cycle or error on the compressor and performs protective control Operation Control of the compressor speed The speed control is performed as described in the left table based upon the discharge temperature When starting the operation move the valve once until it fits to the stopper Initialize n this time Click sound may be heard Adjust the open degree of valve by super heat amount SH control If the discharge temperature was excessively up adjust the open degree of valve so that it is in the range of set temperature Discharge temp control When defrost operation is performed the open degree of PMV is adjusted according to each setup conditions during preparation for defrost and during defrost operation 4 way valve is inversed When turning off the compressor by thermo OFF or STOP by remote controller the open degree of the PMV is adjusted to the setup value Ts Temperature of suction pipe of
47. to 2530 2 units 5 35 1 24 to 11 12 1190 200 to 2480 5 35 1 24 to 11 22 1190 200 to 2530 5 35 1 24 to 11 22 1190 200 to 2530 1190 200 to 2530 5 35 1 24 to 11 22 1190 200 to 2530 5 35 1 24 to 11 22 1190 200 to 2530 5 35 1 24 to 11 22 1190 200 to 2530 5 35 1 24 to 11 22 1190 200 to 2530 5 35 1 24 to 11 22 5 35 1 24 to 11 22 1190 200 to 2530 3 34 1 01 to 7 23 730 170 to 1700 5 15 1 01 to 7 23 1200 170 to 1700 7 73 1 01 to 10 76 1800 170 to 2530 8 16 1 01 to 10 76 1900 170 to 2530 2 units 5 11 1 19 to 10 65 1190 200 to 2480 5 11 1 19 to 10 76 1190 200 to 2530 5 11 1 19 to 10 76 5 11 1 19 to 10 76 5 11 1 19 to 10 76 5 11 1 19 to 10 76 1190 200 to 2530 1190 200 to 2530 1190 200 to 2530 5 11 1 19 to 10 76 1190 200 to 2530 5 11 1 19 to 10 76 1190 200 to 2530 5 11 1 19 to 10 76 1190 200 to 2530 1190 200 to 2530 Indoor DB WB 27 19 C Outdoor DB 35 C Indoor DB 20 C Outdoor DB WB 7 6 C The above specification values are those under the conditions Cooling Heating 7 Operation Characteristic Curve 2 2 1 RAS M18UAV E lt Cooling gt lt Heating gt 12 12 o
48. wires are not pinched Take sufficient care to avoid directly touching any of the circuit parts without first turning off the power At times such as when the circuit board is to be replaced place the circuit board assembly in a vertical position Laying the board flat on an electrically conductive object such as the top panel of the air conditioner s outdoor unit while a charge is still retained by the electrolytic capacitors of the inverter s main circuit may cause short circuiting between the electrolytic capacitors and secondary circuit components and result in damage to the components Sensor leads Do NOT lay the circuit board assembly flat Fig 11 2 Precautions when inspecting the control section of the outdoor unit NOTE A large capacity electrolytic capacitor is used in the outdoor unit controller inverter Therefore if the power supply is turned off charge charging voltage DC280 to 380V remains and discharging takes a lot of time After turning off the power source if touching the charging section before discharging an electrical shock may be caused Discharge the electrolytic capacitor completely by using soldering iron etc lt Discharging method gt 1 Remove the inverter cover plating by opening four mounting claws 2 As shown below connect the discharge resistance approx 100040W or plug of the soldering iron to voltage between terminals of the C14 CAUTION HIGH VOL
49. x 144 Q Under 20 C Pulse motor valve coil Measure the resistance value of winding by using the tester Model CAM MD12TF 12 iw Position Resistance value COM gt 6 R O Y BL a6 Red White White Orange Red Yelloow Red Blue 42 to 50 Q 2 4 Under 20 C 11 10 5 Checking Method for Each Part Part name Checking procedure Electrolytic capacitor Turn OFF the power supply breaker For boost smoothing 2 Discharge all three capacitors completely Check that safety valve at the bottom of capacitor is not broken Check that vessel is not swollen or exploded Check that electrolytic liquid does not blow off Check that the normal charging characteristics are shown in continuity test by the tester Case that product is good Pointer swings once and returns slowly MCC 5009 When performing test once again under Soldered another polarity the pointer should return surface o C12 C13 C14 gt 760uF 400V eat sink IGBT side Diode block Turn OFF the power supply breaker Completely discharge the four electrolytic capacitors Remove the diode block from the PCB which is soldered in place Use a multimeter with a pointer to test the continuity and check that the diode block has the proper rectification characteristics Tester rod Resistance value gt in good product DBO1 10 to 20 Q when the multimeter probe is reversed 92 11 11 How to
50. 1 AC 220 240V 7 REFRIGERANT CYCLE DIAGRAM 7 1 Refrigerant Cycle Diagram RAS M10PKVP E RAS M13PKVP E RAS M16PKVP E RAS M18UAV E To B room Indoor heat exchanger Temp measurement Deoxidized copper pipe Both A and B room qomo dia 6 35mm Thickness 0 8mm P Pressure measurement Gauge attaching port Vacuum pump connecting port Deoxidized copper pipe Both A and B rooms pe dia 9 52mm 07 10 13 Sectional shape of heat insulator e 9 12 7mm 16 Thickness 0 8mm B ii Gr if Rm i i TGb gt 4 way valve STF 0213Z Compressor DA130A1F 25F TS Outdoor heat exchanger Temp measurement i 1 i L L I L Lj t OUTDOOR UNIT NOTE NOTE zel 56 Per unit Dr m Max 20m t S 2 min 2m Total 30m oS 2 Chargeless 20m 8 d Charge 20g m LE 3 21 to 30m 5 2 lt x Y aen Strainer Pulse motor valve at liquid side CAM B22YGTF 3 Mb Gas leak check position gt Refrigerant flow Cooling Refrigerant flow Heating The maximum pipe length of this air conditioner is 30 m When the pipe length exceeds 20 m the additional charging of refrigerant 20 g per 1m for the part of pipe exceeded 20 m is required Max 200g 22
51. 10SKV E RAS M13SKV E RAS M16SKV E SVM 07034 RAS M10GDV E RAS M13GDV E RAS M16GDV E A05 010 RAS B10UFV E RAS B13UFV E SVM 10044 RAS M10SMUV E RAS M13SMUV E RAS M16SMUV E A06 015 2 1 Specifications lt Heat Pump Models gt RAS M10PKVP E RAS M13PKVP E RAS M16PKVP E RAS M18UAV E Unit modal Indoor RAS M10PKVP E RAS M13PKVP E RAS M16PKVP E Outdoor RAS M18UAV E Cooling capacity kW 5 2 Cooling capacity range kW 1 4 6 2 Heating capacity kW 5 6 Heating capacity range kW 0 9 8 3 Power supply 220 240 V 1 Ph 50Hz 220 V 1 Ph 60Hz Unit model RAS M10PKVP E RAS M13PKVP E RAS M16PKVP E Indoor Running current A 0 21 0 20 0 19 0 24 0 23 0 22 0 27 0 26 0 25 220V 230V 240V Power consumption W 25 30 35 Power factor 96 54 54 55 57 57 57 59 59 58 Electric characteristics Operation mode Cooling Heating Running current A 7 12 6 80 6 50 8 28 7 91 7 57 en agv Power consumption W 1540 1790 Power factor 96 98 98 Starting current A 7 42 7 10 6 80 COP Cooling Heating 3 61 4 71 Unit model RAS M10PKVP E RAS M13PKVP E RAS M16PKVP E Indoor High dB A 43143 45 45 47 147 Operating noise Cooling Heating Medium dB A 37135 38 36 40 38 Low dB A 31 27 31 27 34 30 ws Heating _ 2 indoor units operating dBA 49 51 Unit model RAS M10PKVP E
52. 11 8 Troubleshooting 11 8 1 How to Check Whether the Air Purifier is Good or Not Turn off the power breaker once and turn on again after 10 seconds Does the OPERATION indicator flash NO To item Power supply is not turned on YES Turn off the power breaker and remove CN401 Micro switch connector Short circuit between and 2 pin of CN401 at PC side and turn on the power breaker after 10 seconds Is DC12V applied between 1 Brown DC12V and Red GND of CN402 of the high voltage generator YES Is there conduction of micro switch connector under OFF status of the micro switch Front panel opened Is DC12V applied between 1 and 2 NO of CN402 of the main P C board MCC5068 YES Primary check Replace the main P C board MCC 1571 Replace micro switch Is there conduction of micro switch connector under ON status of the micro switch Front panel closed YES 1 Check operation while short circuiting CN401 of the main P C board 2 Perform air purifying operation by the remote controller n this time check that the remote controller is in status which is shortened by time on the reactivation preventive timer and all display indicators go on for approx 3 seconds when a signal is received i time on the reactivation preventive timer is not shortened the high voltage is not applied to electrode of the air purifie
53. 15 minutes after start of operation is stored in memory as Te0 and Te1 10 C lt Te1 lt 10 C Table 1 When TeO TE gt 2 5 continued for 2 minutes in A zone defrost operation starts When the operation continued for 2 minutes in B zone defrost operation starts When Teo TE gt 3 continued for 2 minutes in C zone defrost operation starts When the operation continued for 2 minutes in D zone defrost operation starts When Te1 TE gt 1 continued for 2 minutes in E zone defrost operation starts sf The necessity of defrost operation is detected by the outdoor heat exchanger temperature The conditions to detect the necessity of defrost operation differ in A B C D or E zone each Table 1 Defrost operation Defrost operation in A to E zones Stop operation of the compressor for 30 seconds Invert OFF 4 way valve 10 seconds after stop of the compressor The outdoor fan stops at the same time when the compressor stops When temperature of the indoor heat exchanger becomes 38 C or lower stop the indoor fan Finish of defrost operation Returning conditions from defrost operation to heating operation 1 Temperature of outdoor heat exchanger rises to 8 C or higher 2 Temperature of outdoor heat exchanger is kept at 5 C or higher for 80 seconds 3 Defrost operation continues for 10 minutes Returning from defrost operation 1 Stop operation of
54. 276 43062275 43082296 43083071 43003323 43070199 43079239 43066024 43080608 43085213 43085217 Refrigeration Cycle Ass y M16PKVP E Spring Panel Bush L Panel Bush R Guard Plasma Pure Filter Base Ass y Motor Holder Sensor Connector Cover Ass y Lead Cover Ass y Plate Installation Holder Remote Controller Body Ass y Back Hose Drain Cap Drain Remote Controller Wireless Plasma Pure Filter Ass y Owner s Manual Owner s Manual CD ROM 13 2 Microcomputer P C Board RAS M10PKVP E RAS M13PKVP E RAS M16PKVP E 4038 417 418 419 The parts in the following parts list are conformed to RoHS Therefore be sure to use the following parts for repairing and replacing Location No Part No Location Description No Part No Description 401 402 403 404 405 416 4306A132 43050425 43050426 4306V137 43051349 43067115 Terminal Block 3P 417 Sensor Ass y Service Sensor Service 418 P C board Ass y WRS LED Switch Ass y Micro 419 Clamp Cord 111 4306V206 4306V207 4306V208 P C board Ass y M10PKVP E P C board Ass y M13PKVP E P C board Ass y M16PKVP E 13 3 Outdoor Unit Location No 43005657 43005642 43005774 43005634 4301V088 4301V053 43100346 4301V096 43041635 43043815 37546845 43046509 43147196 43047401 43047676 43047677 43047679
55. 3 times The unit then restarts operating automatically in the event of power supply being accidentally shut down When the unit is standby Not operating Operation Motions Push RESET button for more than The unit is on standby 3 seconds Less than 10 seconds 4 Push RESET button for more than 3 seconds The unit starts to operate The green indicator is on i After approx 3 seconds The unit beeps 3 times The green indicator flashes for and continues to operate 5 seconds OPERATION TIMER o If the unit is not required to operate at this time push RESET button SELEN once more or use the remote controller to turn it off PURE e When the unit is in operation Operation Motions Push RESET button for more than The unit is in operation The green indicator is on 3 seconds Less than 10 seconds 4 Push RESET button for more than 3 seconds The unit stops operating The green indicator is turned off i After approx 3 seconds The unit beeps 3 times The green indicator flashes for 5 seconds OPERATION IMER o If the unit is required to operate at this time push RESET button once S CLEAN more or use the remote controller to turn it on PURE e NOTE After restarting the air conditioner by the AUTO RESTART OPERATION the louver swing AUTO operation doesn t resume While the PURE indicator Orange is on the RESET button has the function of air purifier reset b
56. 5 16 10 2 0to 2 2 32to 34 2104 High 900rpm 75 13 13 2 0 to 2 2 34 to 36 2104 High 900rpm 75 16 13 2 0to 2 2 32t034 2104 High 900rpm 75 NOTES 1 Measure surface temperature of heat exchanger pipe around center of heat exchanger path U bent Thermistor themometer 2 Connecting piping condition 7 5 m x 2 units 05 8 CONTROL BLOCK DIAGRAM 8 1 Indoor Unit RAS M10PKVP E RAS M13PKVP E RAS M16PKVP E i M C U Indoor Unit Control Unit Cold Draft Preventing Function 3 minute Delay at Restart for Compressor gt Fan Motor Starting Control ETEN gt Indoor Fan Infrared Rays Signal Receiver _ Processing and Indication Temperature Processing Motor Control Initializing Circuit Serial Signal Communication Timer Louver Motor Indoor Fan Motor Clock Frequency Oscillator Circuit Clean Function Power Supply Circuit A Converter D C circuit 1 Air Purifier nit Micro Switch eee eed ee ee From Outdoor Unit 220 240V 50Hz Serial Signal Communication 220V 60Hz Operation Command and Information Remote Controller Infrared Rays 36 7kHz REMOTE CONTROLLER Operation START STOP E Operation Mode Selection T E AUTO COOL DRY HEAT a E Thermo Setting Fan Speed Selection ON TIMER Setting E LI mum 13 E uro c uu 22 Een _ ae 8 2 Outdoor Unit Inverter Assem
57. A Applicable to R22 model Changes As pressure is high it is impossible to measure by means of Gauge manifold conventional gauge In order to prevent any other refrigerant from being charged each port diameter has been changed In order to increase pressure resisting strength hose materials and port size have been changed to 1 2 UNF 20 threads per Charge hose inch When purchasing a charge hose be sure to confirm the port size As pressure is high and gasification speed is fast it is difficult to read the indicated value by means of charging cylinder as air bubbles occur Electronic balance for refrigerant charging Torque wrench The size of opposite sides of flare nuts have been increased nominal diam 1 2 Incidentally a common wrench is used for nominal diameters 5 8 1 4 and 3 8 By increasing the clamp bar s receiving hole strength of spring Flare tool clutch type in the tool has been improved Gauge for projection Used when flare is made by using conventional flare tool adjustment Connected to conventional vacuum pump It is necessary to use an adapter to prevent vacuum pump oil from flowing back to the charge hose The charge hose connecting part Vacuum pump adapter has two ports one for conventional refrigerant 7 16 UNF 20 threads per inch and one for R410A If the vacuum pump oil mineral mixes with R410A a sludge may occur and damage the equipment Gas leakage detector Exclusi
58. DITIONER FOR INSTALLATION IN ANOTHER PLACE BE VERY CAREFUL NOT TO ALLOW THE SPECIFIED REFRIGERANT R410A TO BECOME MIXED WITH ANY OTHER GASEOUS BODY INTO THE REFRIGERATION CIRCUIT IF AIR OR ANY OTHER GAS IS MIXED IN THE REFRIGERANT THE GAS PRESSURE IN THE REFRIGERATION CIRCUIT WILL BECOME ABNORMALLY HIGH AND IT MAY RESULT IN THE PIPE BURSTING AND POSSIBLE PERSONNEL INJURIES IN THE EVENT THAT THE REFRIGERANT GAS LEAKS OUT OF THE PIPE DURING THE SERVICE WORK AND THE INSTALLATION WORK IMMEDIATELY LET FRESH AIR INTO THE ROOM IF THE REFRIGERANT GAS IS HEATED SUCH AS BY FIRE GENERATION OF POISONOUS GAS MAY RESULT WARNING Do not use any refrigerant different from the one specified for complement or replacement Otherwise abnormally high pressure may be generated in the refrigeration cycle which may result in a failure or explosion of the product or an injury to your body Never modify this unit by removing any of the safety guards or bypass any of the safety interlock switches Do not install in a place which cannot bear the weight of the unit Personal injury and property damage can result if the unit falls After the installation work confirm that refrigerant gas does not leak If refrigerant gas leaks into the room and flows near a fire source such as a cooking range noxious gas may generate The electrical work must be performed by a qualified electrician in accordance with the Installation Manual Make sure the air con
59. FF time is 2 to 4 minutes However if temperature of the indoor heat exchanger becomes over 55 C or more in B room the indoor fan stops the intermittent operation and starts continuous operation While heating operation is executed in 2 rooms if room temperature reached the setup temperature in both rooms and thermo off occurred both indoor units start intermittent operation of the indoor fan Indoor fan Operates with setup number of revolution A room Thermo ON continues 0 rpm B room thermo OFF i B room thermo ON B room thermo ON Operated with setup number of revolution 4 Thermo OFF Thermo ON Orpm 2 2 Ii MA AE eenn T off T off T off n case which Tc sensor temperature exceeds 55 C T off time in B room the fan stops intermittent operation and To lt 5C 2 min starts continuous operation with UL or SUL 1 5 lt To lt 10 3 min 10 lt To 4 min 51 10 INSTALLATION PROCEDURE 10 1 Safety Cautions For the rear left and left piping The indoor unit shall be installed so that the top of the indoor unit is positioned at least 2 m high Also avoid putting anything on the top of the indoor unit _ Wall Hook m 70 mm or more Insert the cushion between the indoor unit and wall and tilt the indoor unit for better installation work Hook en 1 Installation plate Do not allow the drain hose Ku c I to become slack Cut th
60. HE MAIN POWER SUPPLY This appliance must be connected to the main power supply by a circuit breaker or a switch with a contact separation of at least 3 mm DANGER THE MANUFACTURER SHALL NOT ASSUME ANY LIABILITY FOR THE DAMAGE CAUSED BY NOT OBSERVING THE DESCRIPTION OF THIS MANUAL ASK AN AUTHORIZED DEALER OR QUALIFIED INSTALLATION PROFESSIONAL TO INSTALL MAINTAIN THE AIR CONDITIONER INAPPROPRIATE SERVICING MAY RESULT IN WATER LEAKAGE ELECTRIC SHOCK OR FIRE TURN OFF MAIN POWER SUPPLY BEFORE ATTEMPTING ANY ELECTRICAL WORK MAKE SURE ALL POWER SWITCHES ARE OFF FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK DANGER HIGH VOLTAGE The high voltage circuit is incorporated Be careful to do the check service as the electric shock may be caused in case of touching parts on the P C board by hand CORRECTLY CONNECT THE CONNECTING CABLE IF THE CONNECTING CABLE IS INCORRECTLY CONNECTED ELECTRIC PARTS MAY BE DAMAGED CHECK THAT THE EARTH WIRE IS NOT BROKEN OR DISCONNECTED BEFORE SERVICE AND INSTALLATION FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK DO NOT INSTALL NEAR CONCENTRATIONS OF COMBUSTIBLE GAS OR GAS VAPORS FAILURE TO FOLLOW THIS INSTRUCTION CAN RESULT IN FIRE OR EXPLOSION TO PREVENT THE INDOOR UNIT FROM OVERHEATING AND CAUSING A FIRE HAZARD PLACE THE UNIT WELL AWAY MORE THAN 2 M FROM HEAT SOURCES SUCH AS RADIATORS HEAT RESISTORS FURNACE STOVES ETC WHEN MOVING THE AIR CON
61. Power Air purifying operation Air conditioner air purifier operation WC WF W7 WA ws wn 0 8 15 1 Fan speed at Fan Auto mode 40 Item Operation flow and applicable data etc Description 12 Air purifying control Continued Air purifying operation Operation indicator ON PURE indicator Blue ON Air purifier ON Error input is detected lt m n Air purifier OFF Error input was detected N NO 5 times or more YES Approx 10 minutes passed from the error input was detected Air purifier power estimates 1000H YES PURE indicator Orange ON Y 1 2 1 Reset by RESET button 2 Reset by RESET button or by the stop direction from the remote controller NOTE When the breaker is turned ON or RESET button is pushed while the FILTER indicator is turned on the air purifier is not turned on until the integrated operation time of the indoor fan exceeds 1 hour after operation start It is the safety measures considering an incomplete drain when electric dust collector has been cleaned with water 41 Description Error is determined to have occurred indicated by the PURE indicator Orange in the following two cases 1 When the panel switch has been set to OFF by the opening of the air inlet grill etc 2 When an abnormal discharge caused by a symptom such as the build up of dirt has been detected while t
62. Q F 49 O 40 G Remote troller r 4 9 mE 2G con Outdoor unit Indoor unit Earth Leakage breaker Fig 10 5 14 Connect the indoor outdoor connecting wires to the identical terminal numbers on the terminal block of each unit Incorrect connection may cause a failure 1 Remove the service valve cover from the outdoor unit 2 Remove the cord clamp 3 Connect the power cord and the connecting cable to the terminal as identified by the matching numbers on the terminal block of indoor and outdoor unit 4 Secure the power cord and the connecting cable with the cord clamp 5 Attach the service valve cover on the outdoor unit Stripping length of connecting cable for outdoor unit Di 23 LNBi _ vi roto 10 1 47 eli ide i 40 E 1 40 30 30 Connecting Earth line cable Power cord Earth line Fig 10 5 15 Terminal block L NO EI El El amp 2 e Ne nb CAR ZAR AR AR AN AR AN JLN I abs Connecting cable for unit A Power cord Connecting cable for unit B Fig 10 5 16 10 5 4 Grounding This air conditioner must be grounded without fail 68 Grounding is necessary not only to safeguard against the possibility of receiving an electric shock but also to absorb both the static which is generated by high frequencies and held in the surface of the outdoor unit and noise since the air conditioner incorporates a frequency conversion device called an inv
63. Sensor TS K 703 Sensor TO x 2 704 Sensor TGa 24 K 705 Sensor TGb 04 x 708 Sensor TD 4 The parts in the following parts list are conformed to RoHS Therefore be sure to use the following parts for repairing and replacing xi eid Part No Description p d Part No Description 701 43050422 Sensor TE 709 43062228 Base P C board 702 43050423 Sensor TS 710 43160610 Terminal Block 9P A 703 43050427 Sensor TO 712 4306V257 P C board Ass y MCC 5015 704 43050431 Sensor TGa 713 4306V256 P C board Ass y MCC 5009 705 43050432 Sensor TGb 714 43160590 Fuse 708 43050430 Sensor TD 715 43160571 Fuse holder 15A 250V 113 This product is compliant with Directive 2002 95 EC and cannot be disposed as unsorted municipal waste TOSHIBA CARRIER CORPORATION 23 17 TAKANAWA 3 CHOME MINATOKU TOKYO 108 8580 JAPAN Copyright 1999 to 2009 TOSHIBA CARRIER CORPORATION ALL Rights Reserved
64. TAGE is indicated electrolytic capacitor 760uF 400V on P C board and then perform discharging Discharging position Discharging period Plug of 10 seconds or more Soldering iron Inverter cover P C board Soldered surface ig 11 3 11 1 First Confirmation 11 1 1 Confirmation of Power Supply Confirm that the power breaker operates ON normally 11 1 2 Confirmation of Power Voltage Confirm that power voltage is AC 220 240 210 If power voltage is not in this range the unit may not operate normally 11 1 3 Operation Which is not a Trouble Program Operation For controlling the air conditioner the program operations are built in the microcomputer as described in the following table If a claim is made for running operation check whether or not it meets to the contents in the following table When it does we inform you that it is not trouble of equipment but it is indispensable for controlling and maintaining of air conditioner Table 11 1 1 Operation of air conditioner Description When power breaker is turned ON the operation lamp Green of the indoor unit flashes The OPERATION lamp of the indoor unit flashes when power source is turned on If START STOP button is operated once flashing stops Flashes also in power failure Compressor may not operate even if the room temperature is within range of compressor
65. TOSHIBA FILE NO 010 024 Leading Innovation gt gt gt SERVICE MANUAL AIR CONDITIONER SPLIT TYPE Heat Pump Type Indoor Unit RAS M10PKVP E RAS M13PKVP E RAS M16PKVP E Outdoor Unit RAS M18UAV E GE KOM EIN PRINTED IN JAPAN Mar 2011 10 11 12 13 CONTENTS SAFETY FREGAUTIONS Leese 3 SPECIFICATION wm 5 REFRIGERANT RATOA Luse 9 CONSTRUCTION VIEWS nssnnssenssnnsnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnn 17 WIRING DIAGRAM iate iain dd i e euo x ebE iore bnc tip Ex iesu ea eias 19 SPECIFICATIONS OF ELECTRICAL PARTS eene 21 REFRIGERANT CYCLE DIAGRAM neen nnn 22 CONTROL BLOCK DIAGRAM cnsnereerenserzerseersesereedeenenennenenstnansbendende 24 OPERATION DESCRIPTION snnoersensesaberrnsnernersnessendervennendnnadsnndhkende 26 INSTALLATION PROCEDURE 5 itane uaa terna ario nera c cedens 52 HOW TO DIAGNOSE THE TROUBLE reete niae cne uenis 72 HOW TO REPLACE THE MAIN PARTS en 94 EXPLODED VIEWS AND PARTS LIST ctor mesen 110 1 SAFETY PRECAUTIONS For general public use Power supply cord of outdoor unit shall be more than 1 5 mm HO7RN F or 245IEC66 polychloroprene sheathed flexible cord Read this SAFETY PRECAUTIONS carefully before servicing The precautions described below include the important items regardi
66. and lead out along piping connection port Ensure sufficient space to allow drainage Fig 10 5 1 62 Draining off the water from the outdoor unit Fixing the outdoor unit If it is necessary to drain off the water from the outdoor unit install two water proofing rubber caps and a drain nipple Water proofing rubber caps supplied with the outdoor unit Fig 10 5 2 Precautions about installation in regions with snowfall and cold temperatures Do not use the water proofing rubber cap and drain nipple If there is a danger that the drain water might freeze take steps to ensure that the water will drain off in the most efficient manner To protect the outdoor unit from snow accumulation install a holding frame and attach a snow protection hood and plate Install at least 500 mm above the snow accumulation line Snow protection plate Snow protection hood At least 500 mm Anchor Snow accumulation line Holding frame 269 Secure the outdoor unit with the anchor bolts Use 8 mm or 10 mm anchor bolts and nuts Set the out margin of the anchor bolt to 15 mm or less Install the outdoor unit so that it is level Install the foundation and vibration proof rubber pads to directly support the bottom surface of the fixing leg 4 Suction side Elongated 600 drain hole 30 4 _ Drain hole 30 Diffuser
67. assed and discharge the electrolytic capacitor by soldering iron Check voltage between motor phases Check Measurement Is not winding between 1 Q or D 3 opened or short circuited s not frame grounded with D Q or B 87 If fuse was blown be sure to check the electrolytic capacitor and diode block DB01 Connect discharge resistance approx 1000 40W or soldering iron plug between terminals of the electrolytic capacitor 760uF of C14 with printed CAUTION HIGH VOLTAGE on P C board Discharging position Discharging period 10 seconds or more Plug of soldering OK if 760uF DC280 to 380V Remove CN300 while pushing the part indicated by an arrow because CN300 is a connector with lock Resistance between phases should be approx 55to 770 Should be 10MQ or more Diagnosis Process flowchart Contents Summary Check winding resistance between phases of compressor and resistance between outdoor frames by using a tester s not grounded OK if 10MO or more Replace control tshort circuit d board assembly s not short circuite OK if 0 510 0 570 between windings Check by a digital tester Check Winding is not opened P MIRI Operation Remove connector CN300 of resistance the outdoor fan motor turn on the power supply breaker and perform the operation Stops though activation is Replace Repla
68. bly RAS M18UAV E Heat pump models OA en Kem p Josseidwog JOJOUI Ue 1OOPINO ov lt 20 JeueAu ov lt oq JeueAu nou enup gjen ynouo enup ele5 nee eee en eeen J 199jep jueuno 19ejop uano LOZAH Aejay ODA DV JOSUSS JOY JOUSAUOD jueuno indu SSION 1NDJIO uonoauoo Jojoej Jewod U IH NOW 01 uoneorunuuuoo euis e 041U09 uonoeJ100 10198 JAMOd U IH e 043009 UL JOOPINO e 041UO9 99 p 1ueJno 19 0 HD e 041UO9 eseejo1 jueuno INdU uomnoun SISSUIU S WMd ON 8 9 d ans 6005 55N JOjsIsueaj Jejodig 3125 pajejnsu 1991 uoge npoin UIPIM Seind NMd SALA 1030 9SInd A Wd 1 L L 1 PE es DE N W d 40 119419 JEAUG L OL 10sues I due are 100P1INO NOI 01 UOIFEIIUNWWOI jeu IS e 1 Josuos e dsip 10413 e du uonons 041UO9 due eBueuosiq e GL 10sues i 04309 A Wd e due eByeuosiq 9 l uonounj JEUSAUOO C V e 31 Josues 04U09 Kouenbei indjno JejjeAu e duie Jobueyoxe jeoH Joopino 1 Now 49 1 a wun i Josues dw edid epis sen 1 e91 v yun Josues due 1 1 edid epis seo 1 pf N9119 n9119 2A10991 pu S aAleoed pues gun v i i L EN 95 d ANS GLOS 90N LN RCM pun JE HERE UL qM MORS l ZH09 A Occ ZHOS AO0ftc Occ un 100p1NO NVYDVIC 34018 1OHINOO 9 OPERATION DESCRIPTION 9 1 Outline of Air Conditioner Control This air conditioner is a ca
69. ce port Open the valve shaft fully with a hexagonal wrench 5 Tighten the service port cap and valve stem cap securely Securely tighten these caps with torque in the following table 6 Check the gas leaks after connection Tighten torque Service valve Valve stem cap Service port cap Nem kgfem Nem kgfem Liquid side 6 35 14 to 18 1 4 to 1 8 Gas side 9 52 33 to 42 3 3 to 4 2 14 to 18 1 4 to 1 8 Compound pressure gauge Pressure gauge ne mk Manifold valve Handle Hi Keep full closed Charge hose For R410A only Handle Lo Charge hose For R410A only __ Vacuum pump adapter for counter flow prevention For R410A only Service valve at liquid side Service valve at gas side Service port Valve core Setting pin 4 mm Service port cap O Fig 10 5 10 Valve stem cap CAUTION Install in rooms that are 5 m or larger If a leak of refrigerant gas occurs inside the room an oxygen deficiency can occur 65 a Any handling of the fluorinated greenhouse gas in the product such as when moving the product Adding refrigerant i No more refrigerant needs to be added if the total or recharging the gas shall comply under EC pipe length is no more than 20 meters Regulation No 842 2006 on certain fluorinated Add 20 g of refrigerant for every 1 m of piping that greenhouse gases and any relevant local
70. ce damage may cause electric shocks and or a fire After replacing the parts check whether the positions where the sensors were installed are the proper positions as instructed The product will not be controlled properly and trouble will result if the sensors have not been installed in their proper positions 107 Outdoor unit Main P C board MCC 5009 108 Outdoor unit Sub P C board MCC 5015 03 109 13 1 Indoor Unit 13 EXPLODED VIEWS AND PARTS LIST RAS M10PKVP E RAS M13PKVP E RAS M16PKVP E The parts in the following parts list are conformed to RoHS Therefore be sure to use the following parts for repairing and replacing Location No Part No Description Location No Part No Description 201 202 203 43005779 43005778 4301V098 43080609 43088232 43022455 4302C095 4302C076 4302D003 4306A172 4301V104 43022459 43020372 43039376 43125171 4301V083 43049787 43044870 Panel Ass y Frame Ainl Ass y Fix Frame Ass y Filter Air Wiring Diagram Louver Ass y Fan Motor Ass y Motor Louver For Panel Motor Louver For Louver Cord Motor Louver Cover Ass y Motor Base Bearing Ass y Fan Ass y Cross Flow Band Motor Right Bearing Ass y Mold Holder Pipe Pipe Shield Refrigeration Cycle Ass y M10 13PKVP E 110 43044876 43049784 43096255 43096257 4301V097 4301V089 43019904 43062
71. ce prompted control board compressor Check operation within 2 minutes 20 seconds after activation stopped 11 10 Inspection of the Main Parts 11 10 1 Inspection of the P C Board Indoor Unit CAUTION 1 Operating precautions 1 When removing the front panel or the P C board be sure to shut off the power supply breaker 2 When removing the P C board hold the edge of the P C board and do not apply force to the parts 3 When connecting or disconnecting the connectors on the P C board hold the whole housing Do not pull at the lead wire 2 Inspection procedures 1 When a P C board is judged to be defective check for disconnection burning or discoloration of the copper foil pattern or this P C board 2 The P C board consists of the following 2 parts a Main P C board part DC power supply circuit 5V 12V 35V Indoor fan motor control circuit CPU and peripheral circuits buzzer and Driving circuit of louver b Indication unit of infrared ray receiving infrared ray receiving circuit LED To check defect of the P C board follow the procedure described below 88 3 Check procedures Procedure Table 11 10 1 Check points Causes Turn off the power supply breaker and remove the P C board assembly from electronic parts base Remove the connecting cables from the terminal block Check whether or not the fuse F01 is blown Impulse voltage was applied or the indo
72. control Cool Dry or Heat operation cannot be performed When the unit in other room operates previously in different mode Fan Only operation is performed because of first push priority control Cool operation and Dry operation can be concurrently performed 7A 11 2 Primary Judgment To diagnose the troubles use the following methods 1 Judgment by flashing LED of indoor unit 2 Self diagnosis by service check remote controller 3 Judgment of trouble by every symptom Firstly use the method 1 for diagnosis Then use the method 2 or 3 to diagnose the details of troubles For any trouble occurred at the outdoor unit side detailed diagnosis is possible by 5 serial LED Red on the control P C board 11 3 Judgment by Flashing LED of Indoor Unit While the indoor unit monitors the operation status of the air conditioner if the protective circuit operates the contents of self diagnosis are displayed with block on the indoor unit indication section Table 11 3 1 Check code Block display Description for self diagnosis OPERATION Green Flashing display 1 Hz Power failure when power is ON Indoor indication lamp flashes OPERATION Green Protective circuit operation for indoor Which lamp Flashing display 5 Hz P C board does flash OPERATION Green Protective circuit operation for TIMER Orange connecting cable and serial signal Flashing display 5 Hz system OPERATION G
73. controller The motor rotates but vibrates strongly 89 1 The indoor fan motor is defective Protected operation of P C board The P C board is defective The connection of the motor connector is loose 11 10 2 P C Board Layout 1 Sensor characteristic table A ee eee dee kee d E NT M cari EE NE EN TD Discharge temp sensor TA Room temp sensor TC Heat exchanger temp sensor M e ES TO Outdoor temp sensor TE Outdoor heat exchanger temp sensor Nr TS Suction temp sensor di email pde bed TGa A room Gas side temp sensor TGb B room Gas side temp sensor j a 4 4 Resistance value kQ TA TC TO TGa TGb TE TS 0 10 20 30 40 50 Temperature C 00 11 10 3 Indoor Unit Other Parts Part name Checking procedure Room temp TA sensor Heat exchanger TC sensor Heat exchanger TCj sensor Disconnect the connector and measure the resistance value with tester Normal temp Remote controller Refer to page 82 Troubleshooting for Remote Controller Louver motor right left Horizontal MP24Z3N Measure the resistance value of each winding coil by using the tester Under normal temperature 25 C Position Resistance value 250 200 Louver motor Moving panel MP24Z4N Measure the resistance value of each winding coil by using the test
74. controller judges the operation commands from the remote controller and assumes the following functions Judgment of suction air temperature of the indoor heat exchanger by using the indoor temp sensor TA sensor Judgment of the indoor heat exchanger temperature by using heat exchanger sensor TC sensor Prevent freezing control etc Louver motor control Indoor fan motor operation control LED Light Emitting Diode display control Transferring of operation command signal Serial signal to the outdoor unit Reception of information of operation status Serial signal including outside temp data to the outdoor unit and judgment display of error Air purifier operation control 2 Role of outdoor unit controller Receiving the operation command signal Serial signal from the indoor unit controller the outdoor unit performs its role Compressor operation control Detection of inverter input current and current release operation Over current detection and prevention operation to IGBT module Compressor stop function Compressor and outdoor fan stop function when serial signal is off when the serial signal does not reach the board assembly of outdoor control by trouble of the signal system Transferring of operation information Serial signal from outdoor unit controller to indoor unit controller Detection of outdoor temperature and operation revolution control Defrost control in heating
75. direction adjUstiment msnnen tn attente 38 S IE 38 10 SLEEP MODE operation 5 2 G9 II Err Ede Miter eo eoo Pra P etr rr avian ERES an tases Ra IRE CU ERE de 39 11 Temporary operation iien nnana iaeia iaeano nennen entr sensn n nnne re eneen 40 12 Air purifying COMO i itii eire dcr redd e cte E VER EE EHE e EE EU 40 13 Discharge temperature control nnee een enneeereneneneerenvennenerenennneeerenenne neren nennen nnn 42 14 Pulse motor valve P M V Gontrol ricette tette tet ce tete etl c Ede 42 15 Clean operation anar T a a e aaa Ea Aaa 43 16 Clean operation GANGEN aderen entend en mei a aaa ea nne NEN aal n R eneen 44 17 Select switch on remote controller nnen en nennenener enen eenenennennennseenen enen eenenennennennenen 45 18 Set temperature COMECHOM rar inandervenseend saddam beed ded 46 9 3 Auto Restart Function Mc M 47 9 3 1 Setting the Auto Restart Function nassssnennasrnnnannnnanannannnnennannnnnennnnnnnnnnnnnnnnnnnnennunnne 47 9 3 2 Cancel the Auto Restart Function nnen nennen eneen nennen eneen ennen 48 9 3 3 Power Failure During Timer Operation rrnnennnnnnnnnnnvnnnnnvnnnnvnnnnnnvnnnnnennnnnnnnnnnnennnnennnnennne 48 9 4 Remote Controller and Its Functions asnrnnnnnnnnnnnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 49 9 4 1 Parts Name of Remote Controller nnen neren eneen
76. ditioner uses an exclusive circuit An insufficient circuit capacity or inappropriate installation may cause fire When wiring use the specified cables and connect the terminals securely to prevent external forces applied to the cable from affecting the terminals Be sure to provide grounding Do not connect ground wires to gas pipes water pipes lightning rods or ground wires for telephone cables Conform to the regulations of the local electric company when wiring the power supply Inappropriate grounding may cause electric shock CAUTION Exposure of unit to water or other moisture before installation may result in an electrical short Do not store in a wet basement or expose to rain or water Do not install in a place that can increase the vibration of the unit Do not install in a place that can amplify the noise level of the unit or where noise or discharged air might disturb neighbors To avoid personal injury be careful when handling parts with sharp edges Perform the specified installation work to guard against an earthquake If the air conditioner is not installed appropriately accidents may occur due to the falling unit For Reference If a heating operation would be continuously performed for a long time under the condition that the outdoor temperature is O C or lower drainage of defrosted water may be difficult due to freezing of the bottom plate resulting in a trouble of the cabinet or fan It is
77. door fan motor 93 12 HOW TO REPLACE THE MAIN PARTS 12 1 Indoor Unit N WARNING Since high voltages is applied to electrical parts turn off the power without fail before starting replacement work After repairs have been completed and the front panel and cabinet have been attached perform test run and check for smoke unusual sound and other abnormalities Failure to do so may cause fire or electric shock Make sure that the cabinet is attached before starting test run Perform the following when repairing the refrigeration cycle Watch out for fire in the surrounding area If a gas stove or other appliance is being used aD extinguish the flames before starting work If the flames are not extinguished they may ignite oil mixed with the refrigerant gas and may cause fire or burn injury Do not use welding equipment in an airtight room WATCH OUT FOR FIRE Carbon monoxide poisoning may be caused if the room is not well ventilated Do not use welding equipment near flammable materials Flames from the equipment may cause the flammable materials to catch fire and may result in fire or burn injury N CAUTION D Wear thick gloves such as cotton work gloves during repair work Failure to do so may cause injury by parts WEAR GLOVES 12 1 1 Removing the Front Panel and Moving Panel 1 Open the moving panel and support the moving 3 Insert your thumb into the air outlet bottom panel by the panel support on
78. e Hi manifold valve is closed completely Attach the connecting port of the charge hose on the end with a projection to push the valve core setting pin to the service port of the set 1 When a control valve or charge valve is connected between the charge hose and service port the R410A refrigerant can definitely be prevented from being discharged to the atmosphere during the air purging process 2 Open Handle Lo fully Turn ON the vacuum pump Loosen the flare nut of the connected pipe Gas side a little to check that the air passes through Retighten the flare nut If the air fails to enter check whether the charge hose is connected securely to the Service port Purge the air for 15 or more minutes and check that a pressure level of 101 kPa 76 cmHg is indicated on the compound pressure gauge If the compound pressure gauge fails to indicate a pressure level of 101 kPa 76 cmHg it may mean that air is infiltrating from an area where a pipe is connected or other place Check the areas where the pipes are connected 3 Close Handle Lo completely Turn OFF the vacuum pump Leave the vacuum pump as it is for 1 or 2 minutes and check that the indicator of the compound pressure gauge does not return No more refrigerant needs to be added if the total pipe length is no more than 20 meters Add 20 g of refrigerant for every 1 m of piping that exceeds 21 m 4 Disconnect the charge hose from the servi
79. e piping hole slightly sloped Make sure the drain hose is sloped downward Connecting bl Z Shield pipe The auxiliary piping can be for extension drain hose connected at the left rear left rear right right bottom right or bottom left as shown below Air filters N CAUTION Install in rooms that are 5 m or larger If a leak of refrigerant gas occurs inside Bottom right the room an oxygen deficiency can occur Bottom left 2 Wireless remote controller Insulate the refrigerant pipes separately not together Oo c 4 Remote controller holder 8 mm thick heat resisting polyethylene foam 6 Remote controller holder mounting screw Before installing the wireless remote controller With the remote controller cover removed 2 Wireless remote controller correctly load the supplied batteries while observing their polarity Ga Batteries If the system will be used in cooling mode when the outdoor temperature is below zero take measures to ensure that the drain water does not freeze When the outdoor unit is installed in a place that is always exposed to strong winds like on the coast or on a high story of a building secure the normal fan operation using a duct or a wind shield 52 10 2 Optional Parts Accessories and Tools 10 2 1 Optional Installation Parts Part Code Parts name Refrigerant piping Indoor unit name Liquid side Outer diamet
80. eat exchanger unit Outdoor unit Refrigerant cylinder with siphon Open close valve for charging Service port Electronic balance for refrigerant charging Fig 3 4 1 Configuration of refrigerant charging 14 1 Be sure to make setting so that liquid can be charged 2 When using a cylinder equipped with a siphon liquid can be charged without turning it upside down It is necessary for charging refrigerant under condition of liquid because R410A is mixed type of refrigerant Accordingly when charging refrigerant from the refrigerant cylinder to the equipment charge it turning the cylinder upside down if cylinder is not equipped with siphon Cylinder with siphon Gauge manifold Refrigerant cylinder Electronic balance OUTDOOR unit Cylinder without siphon Gauge manifold OUTDOOR unit Refrigerant cylinder Electronic balance Siphon R410A refrigerant is HFC mixed refrigerant Therefore if it is charged with gas the composition of the charged refrigerant changes and the characteristics of the equipment varies 3 5 Brazing of Pipes 3 5 1 1 Materials for Brazing Silver brazing filler Silver brazing filler is an alloy mainly composed of silver and copper It is used to join iron copper or copper alloy and is relatively expensive though it excels in solderability Phosphor bronze brazing filler Phosphor bronze brazing fi
81. ed on the sub control board under surface of the inverter and as shown below they are checked from the wiring port when removing the wiring cover 1 If a trouble occurs LED Red goes on according to the trouble as described in the table below 2 When two or more troubles occur LEDs go on cyclically 3 Usually LEDs Red go off Contents OSU Dog D10 D11 D12 D13 LED Red Indoor alarm code LED indication D10 Normal running None IGBT short circuit Compressor motor rear short 14 Trouble on position detecting circuit 16 Trouble on current detecting circuit 17 Condensor pipe temp sensor TE fault 18 Suction pipe temp sensor TS fault 18 Discharge pipe temp sensor TD fault 19 Trouble on outdoor fan 1A Outdoor temp sensor TO fault 1B Trouble on compressor system 1C Gas side pipe temp sensor a TGa fault 1C Gas side pipe temp sensor b TGb fault 1C TGa TGb sensor out of place P M V fault 1C Communication trouble between M C U Compressor lock 1C Trouble on discharge temp Gas leakage Compressor break down ede nee se ie ee eoceooceounuluuoueee gjgdgeeueoceeduocceeee e e Go0o00 00 00 00 9090 0 e o ie e e ie g O le e o O o le ie 8 le le 0 LED ON LED OFF 85
82. eed motor control This operation controls the fan speed at indoor unit side to L L M M or H on the Continued The indoor fan cross flow fan is operated by the phase control remote controller the operation induction motor is performed with the constant The fan rotates in 5 stages in MANUAL mode and in 5 stages in speed shown in Fig 3 and AUTO mode respectively Table 2 Table 2 When setting the fan speed to HEAT ON AUTO on the remote controller revolution of the fan motor is controlled to the fan speed level MANUAL shown in Fig 5 according to the set temperature and room temperature Fan speed Min air flow rate is controlled by Hi Power temperature of the indoor heat w8 Wo exchanger Tc as shown in L M 2 L M 2 Fig 4 WB WD Cold draft prevention the fan speed is controlled by M H 2 M H 2 temperature of the indoor heat exchanger Tc as shown in Fig 6 TC gt 42 C Min air flow rate control NO Limited to Min WD tap No limit Fan speed TC 40 a 10 x WD W8 W8 a In up operation 1 in down operation 0 Basic fan control T an speed Hi Power C M WB Cold draft preventive control 46 34 45 33 Line approximate 33 21 H and SUL with Tc 32 20 A 4 A 4 A 4 A 4 Stop Fan speed MANUAL in starting Fan speed AUTO in stability Fan speed AUTO in starting 1 Fan speed M L x 1 5 L No limitation while fan speed
83. ennen ennn ennnennn 49 9 4 2 Name and Functions of Indications on Remote Controller 50 9 5 MIP OWER Mode mM enen 51 9 6 Intermittent Operation Control for Indoor Fans of the Indoor Unit at Thermo off Side in Heating Operation reen 51 27 Item Operation flow and applicable data etc Description 1 Basic Operation control operation Receiving the user s operation condition setup the operation statuses of indoor outdoor units are controlled 1 The operation conditions are selected by the remote controller as shown in the below 2 Asignal is sent by ON button of the remote controller The signal is received by a sensor of the indoor unit and processed by the indoor controllers as shown in the below The indoor controller controls the indoor fan motor and louver motor The indoor controller sends the operation command to the outdoor controller and sends receives the control status with a serial signal The outdoor controller controls the operation as shown in the below and also controls the compressor outdoor fan motor 4 way valve and pulse motor valve Remote controller Selection of Control contents of remote controller operation conditions ON OFF Air conditioner Air purifier Operation select COOL HEAT AUTO DRY Temperature setup Air direction Swing Air volume select AUTO LOW LOW MED MED HIGH Sleep mode ON timer setu
84. er Under normal temp 25 C Position Resistance value 200 200 Indoor fan motor 11 10 4 Outdoor Unit Part name Refer to page 80 Only the Indoor Motor Fan Does not Operate Refer to page 81 Indoor Fan Motor Automatically Starts to Spin by Turning on Power Supply Checking procedure Compressor Model DA130A1F 25F Measure the resistance value of winding by using the tester Position Resistance value Red White White Black Black Red 0 68 to 0 78 Q White Black Under 20 C Outdoor fan motor Model ICF 140 43 4R Measure the resistance value of winding by using the tester Position Resistance value Red White White Black Black Red 20 to 22 Q White Black Compressor thermo bimetal type Model US 622KXTMQO SS Check conduction by using the tester 91 Part name Checking procedure Outdoor temperature sensor TO Disconnect the connector and measure resistance value with the tester discharge temperature sensor Normal temperature TD suction temperature sensor TS outdoor heat exchanger temperature sensor TE A room gas side temperature TD kQ sensor TGa B room gas side TGa TGb Cooling only temperature sensor TGb TO TE TS kQ TGa TGb Heat Pump kQ 4 way valve coil Measure the resistance value of winding by using the tester Model STF 1435
85. er Gas side Outer diameter RAS M10PKVP E RAS M13PKVP E 6 35 mm 9 52 mm RAS M16PKVP E 6 35 mm 12 7 mm 10 2 2 Accessory and Installation Parts Shield pipe for extension drain hose polyethylene foam 8 mm thick Part No Part name Q ty Part No Part name Q ty Part No Part name Q ty Remote controller holder x 1 Drain nipple x 1 Wireless remote controller x 1 mm Mounting screw 4 x 25L x 7 9 Battery x 2 Qum Remote controller holder mounting screw 3 1 x 16L x 2 This model is not equipped with an extension drain hose 53 Water proof rubber cap x 2 Parts marked with asterisk are packaged with the outdoor unit lt Others gt Owner s manual Indoor unit Installation manual Indoor unit Installation manual Outdoor unit 10 2 3 Installation Servicing Tools Changes in the product and components In the case of an air conditioner using R410A in order to prevent any other refrigerant from being charged accidentally the service port diameter of the outdoor unit control valve 3 way valve has been changed 1 2 UNF 20 threads per inch n order to increase the pressure resisting strength of the refrigerant piping flare processing diameter and size of opposite side of flare nuts has been changed for copper pipes with nominal dimensions 1 2 and 5 8 New tools for R410A New tools for RA10
86. eration cycle may become abnormally high so that a rupture or personal injury may be caused 5 After completion of installation work check to make sure that there is no refrigeration gas leakage If the refrigerant gas leaks into the room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur 6 When an air conditioning system charged with a large volume of refrigerant is installed in a small room it is necessary to exercise care so that even when refrigerant leaks its concentration does not exceed the marginal level If the refrigerant gas leakage occurs and its concentration exceeds the marginal level an oxygen starvation accident may result 7 Be sure to carry out installation or removal according to the installation manual Improper installation may cause refrigeration trouble water leakage electric shock fire etc 8 Unauthorized modifications to the air conditioner may be dangerous If a breakdown occurs please call a qualified air conditioner technician or electrician Improper repair may result in water leakage electric shock and fire etc 3 2 Refrigerant Piping Installation 3 2 1 Piping Materials and Joints Used For the refrigerant piping installation copper pipes and joints are mainly used Copper pipes and joints suitable for the refrigerant must be chosen and installed Furthermore it is necessary to use clean copper pipes and joints whose i
87. erter in the outdoor unit If the air conditioner is not grounded users may receive an electric shock if they touch the surface of the outdoor unit and that unit is charged with static 1 0 5 5 Test operation Miswiring Mis piping check 1 2 Turn on the power breaker Set all the connected indoor units to COOL mode and check the operation e Itis unnecessary to set the temperature Miswiring checks cannot be executed when the outdoor air temperature is 5 C or less Start the check Perform a cooling operation only for the indoor unit which is installed in room A and check that cool air is being blown out from the indoor unit in this room If cool air is not being blown out from the indoor unit in room A touch the piping used to make the connections to room B where the indoor unit is shut down If it is verified that the piping is cold to the touch and that refrigerant is circulating it means that a mistake has been made in the connection of the piping and or wiring to the indoor units Turn off the power breaker and check the situation again Gas leak check Check for gas leaks at all connections of the indoor unit and outdoor unit For R410A use the leak detector exclusively manufactured for R410A refrigerant Flare nut connections Indoor unit Flare nut connections Outdoor unit Valve stem cap connection Service port cap connection Fig 10 5 17
88. etween 4 to 6 mounting screws making sure all four corners are secure 56 10 3 3 Electrical Work 1 The supply voltage must be the same as the rated voltage of the air conditioner Prepare a power source for the exclusive use of the air conditioner NOTE e Wire type HO7RN F or 60245IEC66 1 0 mm Make sure the wire length is sufficient before performing wiring work 10 3 4 Wiring Connection Connecting cable Wiring the connecting cable can be carried out without removing the front panel 1 Remove the air inlet grille Open the air inlet grille upward and pull it toward you Remove the terminal cover and cord clamp Insert the connecting cable or as according to local regulations codes into the pipe hole on the wall Pull the connecting cable through the cable slot on the rear panel so that it protrudes about 15 cm out of the front Insert the connecting cable fully into the terminal block and secure it tightly with screws Make a loop with the earth wire under the terminal block and secure it with the earth screw Tightening torque 1 2 Nem 0 12 kgfem Secure the connecting cable with the cord clamp Attach the terminal cover and moving panel on the indoor unit CAUTION Be sure to refer to the wiring system diagram labelled inside the front panel Check local electrical regulations for any specific wiring instructions or limitations
89. exceeds 21 m legislation 6 Contact dealers installers etc for any Procedure for charging the refrigerant questions 1 After the air inside the refrigerant pipe has been purged close the valve and while the units are Refrigerant Label not running charge the refrigerant gases covered byte Kun 2 If the specified amount of refrigerant cannot be O Facon Jr in the charged add the remaining refrigerant from the PE charge port of the service valve at the gas side rd ME while at the same time performing a cooling en operation P R41 OA Write here the amount of pre charged refrigerant at factory specified in the D lt nameplate Precautions to be heeded while the kg s aad 3 Write here the amount of additional refrigerant is being charged D an charge on installation site Charge the refrigerant while it is still in liquid form write here the amount of refrigerant Charging the refrigerant in the form of a gas will Del k which is equivalent to total of 1 and 2 change the composition of the refrigerant making normal operation impossible LO es Precautions for adding refrigerant H C Use a scale having a precision with at least 10 g DEE per index line when adding the refrigerant Do not use a bathroom scale or similar instrument Fig 10 5 11 Use liquid refrigerant when refilling the refrigerant Since the refrigerant is in
90. g slits on the front panel with a knife or similar tool cut them out with a pair of nippers or an equivalent tool Fig 10 3 16 Left hand connection with piping Bend the connecting pipes so that they are positioned within 43 mm above the wall surface If the connecting pipes are positioned more than 43 mm above the wall surface the indoor unit may be unstable When bending the connecting pipe make sure to use a spring bender to avoid crushing the pipe Refer to the table below for the bending radius of each connection pipe Outer diameter 6 35 mm 9 52 mm 12 7 mm Bending radius 30 mm 40 mm 50 mm Connect the pipe after installation of the unit figure To the front flare NI Gas side Liquid side R30 or less Dia 6 35 R40 or less Dia 9 52 R50 or less Dia 12 7 Make sure to use a spring bender to avoid crushing the pipe X k Outward form of indoor unit o LLL LEDS M Use a screwdriver handle etc Fig 10 3 17 NOTE If the pipe is incorrectly bent the indoor unit may be unstable on the wall After passing the connecting pipe through the pipe hole connect the connecting pipe to the auxiliary pipes and wrap the facing tape around them 59 CAUTION Bind the auxiliary pipes two and connecting cable with facing tape tightly In case of leftward piping and rear leftward piping bind the auxiliary pipes two onl
91. g the earth lead black 4 While pushing down the hook at the upper part of the high voltage power supply unit detach the upper part of the power supply unit 5 Lift the high voltage power supply unit and pull the projection at the bottom of the high voltage power supply unit out of the fixing frame High voltage power supply unit NJ 4P connector N Fixing frame Earth screw Earth lead Fig 12 2 2 CAUTION Carry out this work taking care of the end of the sheet metal on the back of the discharger unit 6 Gently warp the centre of the discharger unit downward and disengage the upper projection from the fixing frame 7 Gently warp the centre of the discharger unit upward and disengage the lower projection from the fixing frame 8 Hold the hook at the left of the discharger unit and lift the discharger unit to remove it 99 12 3 Outdoor Unit Part name Procedure Remarks Common procedure 1 Detachment Wear gloves for this job Otherwise you may injure your hands on the parts etc 1 Stop operation of the air conditioner and turn off the main switch of the breaker for air conditioner 2 Remove the valve cover ST1T 4 x 8L 3 pcs After removing screw remove the valve cover pulling it downward 3 Remove the upper cabinet ST1T 4 x 8L 5 pcs After removing screws remove the upper cabinet pulling it upward 2 Attachment 1 Attach the water pr
92. he air purifier is ON NOTE The above case 1 or 2 is deemed to have occurred when the action concerned continues for more than one second Operation The sequence that PURE indicator Orange is turned on are described in the following flowchart 1 If the air purifying error input was detected by 5 times or under turn on the purifier again approx 10 minutes after and judge it again If the air purifying error input was detected by 5 times or more and 1000 H timer counts up determine the error and turn on the PURE indicator Orange The FILTER indicator keeps lighting even if the operation is stopped by the remote controller The timer is stored in memory of the microcomputer and the operation time is cleared by filter RESET button on the indoor unit FILTER indicator goes off Item Operation flow and applicable data etc Description 13 Discharge temperature control Td value Control operation Judges as an error and stops the compressor Reduce the compressor speed Reduce slowly compressor speed Keeps the compressor speed If the operation is performed with lower speed than one commanded by the serial signal speed is slowly raised up to the commanded speed Operates with speed commanded by the serial signal 14 Pulse motor valve This function controls throttle amount of the P M V control refrigerant in the refrigerating cycle According to operating status of
93. heat exchanger drops in the range from 48 C to under 55 C the compressor speed is kept Q zone When temperature of the indoor heat exchanger rises to 55 C or higher the compressor speed is reduced P zone When temperature of the indoor heat exchanger does not rise to 52 C or when it drops below to 48 C the capacity control operation returns to the usual control in heating operation R zone Item Operation flow and applicable data etc Description 7 Winding Coil heating control When the outdoor temperature is low the windings coils are heated to ensure compressor reliability Outdoor temperature To Winding Coil heating amount OFF Winding Coil heating is performed when the following conditions are met Condition 1 When the discharge sensor temperature Td is less than 30 C Condition 2 When the outdoor sensor temperature To is as shown in the left figure Defrost control Only in heating operation This function removes frost adhered to the outdoor heat exchanger The temperature sensor of the outdoor heat exchanger Te sensor judges the frosting status of the outdoor heat exchanger and the defrost operation is performed with 4 way valve reverse defrost system Start of heating operation 0 Q x x o o S 2 gt O exchanger temperature 10 15 Operation time 29 35 Minute 90 4 hours The minimum value of Te sensor 10 to
94. igerant piping covered with insulating material polyethylene form 6 mm thick In case the duct type or cassette type unit is to be installed it shall be covered with thicker insulating material polyethylene form 10 mm thick Fig 10 5 13 CAUTION In a pump down operation be sure to take the following steps Ensure that no air is allowed to enter inside the refrigeration cycle After having closed the two service valves shut down the compressor and then remove the refrigerant pipe If removing the refrigerant pipe while the compressor is operating with the service valve opened it may cause air suction and overpressure inside the refrigeration cycle resulting in burst of the unit or injury 10 5 3 Electrical work When installing additional indoor units at a later date 1 2 Pump down operation recovering refrigerant Set the circuit breaker to the off position Follow the same procedure starting with the REFRIGERANT PIPING item on the previous page and install the additional indoor unit or units Undertake the steps described below in each of the two rooms 1 2 3 4 Open the service valve cover of the outdoor unit Connect the charge hose to the service port Turn on the unit Set the all connected indoor units to COOL mode and start the operation Wait until at least 10 minutes have elapsed since operation was started and then close the valve of the
95. ing RAS M18UAV E Operation mode Operation status Operating indoor unit A Capacity kw 1 31 to 3 51 4 30 1 55 to 9 14 6 19 1 55 to 9 23 Running current A 1440 260 to 2170 Power Consumption Ww Heating 1 unit 07 2 7 0 7 to 4 8 3 65 1 10 to 7 88 730 170 to 1700 10 4 0 0 7 to 5 2 5 62 1 10 to 7 88 1200 170 to 1700 13 5 0 0 7 to 6 5 8 43 1 10 to 11 73 1800 170 to 2530 16 5 5 0 7 to 6 9 8 90 1 10 to 11 73 1900 170 to 2530 07 5 4 0 9 to 8 0 5 58 1 30 to 11 62 5 58 1 30 to 11 73 5 58 1 30 to 11 73 1190 200 to 2480 1190 200 to 2530 1190 200 to 2530 1190 200 to 2530 5 58 1 30 to 11 73 1190 200 to 2530 5 58 1 30 to 11 73 1190 200 to 2530 5 58 1 30 to 11 73 1190 200 to 2530 1190 200 to 2530 5 58 1 30 to 11 73 5 58 1 30 to 11 73 5 58 1 30 to 11 73 1190 200 to 2530 3 50 1 06 to 7 54 730 170 to 1700 5 40 1 06 to 7 54 1200 170 to 1700 8 10 1 06 to 11 22 1800 170 to 2530 8 50 1 06 to 11 22 1900 170
96. ionizing or air purifying operation If air purifier ON signal is received while the air conditioner stops the air purifier starts operation and if it is received while the air Louver swing is available Fan speed 1 conditioner operates the air conditioner and the air purifier start operation Air purifying operation Cooling position AUTO L L M M H ae z E dd le op En The air ion generator operates linked with the air purifying operation Air conditioner AC Air purifier All stop Joint use of AC and air purifier AC operation All stop AC Air purifying operation Follows to AC operation Follows to AC operation NOTE When the previous operation was the operation of air conditioner air purifier an operation of air conditioner air purifier starts by pushing AC button on the remote controller Operation of air conditioner air purifier is stored in memory Sending air purifier ON 1 2 Sending air purifier OFF 3 4 1 Air conditioner stops 2 Air conditioner 3 Air purifier operates 4 Air conditioner operates Air Purifier operation Operation indicator ON PURE indicator ON Operation indicator OFF PURE indicator OFF PURE indicator ON Air purifier ON PURE indicator OFF Air purifier OFF Louver Open memory OFF position Cooling Air purifier OFF Moving panel Open Louver close Fan ON All stop Air conditioner operates Air purifier ON Fan speed level Y Hi
97. is defective Keep indoor unit Avoid direct away from thyristor Replace Replace NO Remote controller is defective Normal Replace sunlight fluorescent light P C board batteries operation remote controller NOTE After replacing batteries push the RESET button with a tip of a pencil 82 11 5 2 Wiring Failure Interconnecting and Serial Signal Wire 1 Outdoor unit does not operate 1 Is the voltage between and 3 of the indoor terminal block varied 2 Confirm that transmission from indoor unit to outdoor unit is correctly performed based upon the following diagram NOTE Measurement should be performed 2 minutes and 30 seconds after starting of the operation Be sure to prepare a diode for judgment Terminal block at indoor side Red 9 O O M S5277G or equivalent G or J type 5277G Diode with rated voltage of 400V White or more is acceptable Black D Terminal block Tester Normal time Voltage swings between DC15 and 60V Inverter Assembly check Abnormal time Voltage does not vary 2 Outdoor unit stops in a little while after operation started Check procedure Select phenomena described below 1 The outdoor unit stops 10 to 20 minutes after operation started and 10 minutes or more are required to restart the unit Gas circulation amount is down Measure gas pressure Thermo operation of compressor 2 If the unit s
98. l D TN f ON 4 f 2 Detail C BTCS S Lh lt Pad Y 9 ed Detail C TE sensor Detail A Detail B TS sensor Suction pipe temperature sensor Attachment With its leads pointing downward point the sensor in the direction of the packed valve and install it onto the straight pipe part of the suction pipe TD sensor Discharge pipe temperature sensor Attachment With its leads pointed downward install the sensor facing downward onto the vertical straight pipe part of the discharge pipe TO sensor Outside air temperature sensor Attachment Insert the outdoor air temperature sensor into the holder and install the holder onto the heat exchanger TGa TGb sensor Gas side pipe temperature sensor Attachment With its leads pointing downward point the sensor in the direction of the front cabinet and install the sensor onto the straight pipe part of gas side pipe Match the sensor protective tube colors with the pipe marking colors and install the sensors TGb is red lk TGb sensor RED 8088B G 06666068 TD sensor TS sensor TGa sensor Arrow E Detail A B D TO sensor CAUTION During the installation work and on its completion take care not to damage the coverings of the sensor leads on the edges of the metal plates or other parts It is dangerous for these coverings to be damaged sin
99. ller is generally used to join copper or copper alloy Low temperature brazing filler Low temperature brazing filler is generally called solder and is an alloy of tin and lead Since it is weak in adhesive strength do not use it for refrigerant pipes Phosphor bronze brazing filler tends to react with sulfur and produce a fragile compound water solution which may cause a gas leakage Therefore use any other type of brazing filler at a hot spring resort etc and coat the surface with a paint When performing brazing again at time of servicing use the same type of brazing filler 3 5 2 Flux 1 Reason why flux is necessary By removing the oxide film and any foreign matter on the metal surface it assists the flow of brazing filler n the brazing process it prevents the metal surface from being oxidized By reducing the brazing filler s surface tension the brazing filler adheres better to the treated metal 15 2 Characteristics required for flux Activated temperature of flux coincides with the brazing temperature Due to a wide effective temperature range flux is hard to carbonize It is easy to remove slag after brazing The corrosive action to the treated metal and brazing filler is minimum It excels in coating performance and is harmless to the human body As the flux works in a complicated manner as described above it is necessary to select an adequate type of flux according
100. low and applicable data etc Description 18 Set temperature Indoor Control P C Board Factory Default Purpose correction When the difference between the set temp of the remote controller and Jumper wire the room temp is wide due to the MADE installation condition etc the set temp is corrected HEAT operation only Description The set temp received from the remote controller is corrected The correct value from 2 C to 4 C is changed by the jumper wire on P C board of the indoor microcomputer In HEAT Operation Jumper wire setup HEAT J804 J805 shift value lt At shipment O With Jumper wire Cut Jumper wire 46 9 3 Auto Restart Function This indoor unit is equipped with an automatic restarting function which allows the unit to restart operating with the set operating conditions in the event of a power supply being accidentally shut down The operation will resume without warning 3 minutes after power is restored This function is not set to work when shipped from the factory Therefore it is necessary to set it to work 9 3 1 Setting the Auto Restart Function To set the auto restart function proceed as follows The power supply to the unit must be on the function will not set if the power is off Push the RESET button located in the center of the front panel continuously for 3 seconds The unit receives the signal and beeps
101. me indicator The time setting for timer operation or the clock time is indicated The current time is always indicated except during TIMER operation Hi POWER indicator Indicates when the Hi POWER operation starts Push the Hi POWER button to start and push it again to stop the operation 1 2 10 A 8 08 8 OG MEMORY indicator Flashes for 3 seconds when the MEMO button is pressed during operation The mark is shown when holding down the button for 3 seconds or more while the mark is flashing Push another button to turn off the mark 9 SLEEP mode indicator Indicates when the SLEEP MODE is in activated Push the SLEEP MODE button to start and push it again to stop operation 10 A B change indicator remote controller When the remote controller switching function is set B appears in the remote controller display When the remote controller setting is A there is no indication at this position NOTE Remote controller switching function f two indoor units are installed in the same room or adjoining rooms both units may start and stop at the same time when the remote controller is operated This can be prevented by setting the switching function so that each indoor unit is operated only by the corresponding remote controller AUTO 3 50 9 5 Hi POWER Mode When Hi POWER button is pushed while the indoor unit is in Auto Cooling or Heating operation Hi POWER mark is indica
102. move the flare nuts in any of the rooms where an indoor unit is not going to be Refrigerant piping connection connected Do not leave the pipes with their flare nuts removed standing for a prolonged period of Fig 10 5 6 Flaring 1 Cut the pipe with a pipe cutter time 2 Deburr the inside of the pipe at its end When connecting a capacity class 16 pipe to Take steps to ensure that the removed burrs will the indoor unit attach the expander which is not enter the pipe available as an optional accessory to the 9 52 3 Remove the flare nuts provided with the indoor mm diameter service valve of the outdoor unit and outdoor units and insert them into the pipe When attaching the expander to the outdoor 4 Flare the pipe unit be sure to fix the service valve with a The projection margin of the pipe must be wrench checked 5 Check that the flare has the appropriate shape OX X X CO Obliquity Roughness Warp TR g Fig 10 5 7 Y B C A j i 1 Die PS Pipe 1 Fig 10 5 8 64 Undertake the steps described below in each of the two rooms With respect to the preservation of the terrestrial environment adopt Vacuum pump to purge air Evacuate air in the connecting pipes when installing the unit Hexagon wrench 4 mm is required 1 Connect the charge hose 1 Check that the handl
103. n the figure lift the bottom of the lead wire cover to detach it 5 Disconnect the connectors below Louver motor connector 24P for louver Fan motor connector 5P Louver motor connector 5P for movable panel Minus ion charger connector 4P 6 Remove the motor base assembly by releasing the claw 7 Remove the earth screw TC sensor and TCj sensor CAUTION When attaching the electric parts assembly Insert the projection at the rear of the indoor unit into the upper hole in the electric parts assembly Check that the fan motor lead wires are connected as shown in the figure When attaching the motor base assembly Before attaching the motor base assembly connect the earth wire and install the TC and TCj sensors Insert the bottom of the motor base assembly into the portion shown in the figure Insert the motor cover projection into the hole in the right side panel of the motor base assembly 95 12 1 4 Microcomputer P C Board 1 2 3 4 Remove the electric parts cover screw Detach the metal electric parts cover Disconnect the connectors from the P C board board 5 Remove the P C board Electric parts cover detached Screw Electric parts Claw cover 2 locations Sub base Indoor P C board Claw 2 locations Fig 12 1 6 Disconnect the solderless terminals from the P C 12 1 5 Louver 1 Open the moving panel and support it with the panel s
104. nection of flare nut Yes X Gauge manifold Charge hose Evacuating refrigerant charge run check etc Yes Vacuum pump adapter Vacuum evacuating Yes Electronic balance for refrigerant charging Te Refrigerant charge Refrigerant cylinder Refrigerant charge Yes Leakage detector Gas leakage check Yes Charging cylinder Refrigerant charge Note 2 Note 1 When flaring is carried out for R410A using the conventional flare tools adjustment of projection margin is necessary For this adjustment a copper pipe gauge etc are necessary Note 2 Charging cylinder for R410A is being currently developed General tools Conventional tools can be used In addition to the above exclusive tools the following equipments which serve also for R22 are necessary as the general tools 1 Vacuum pump 8 Spanner or Monkey wrench Use vacuum pump by attaching vacuum pump adapter 9 Hole core drill 265 2 Torque wrench For 26 35 9 52 10 Hexagon wrench Opposite side 4mm 3 Pipe cutter 4 Reamer 11 Tape measure 5 Pipe bender 6 Level vial 12 Metal saw 7 Screwdriver Also prepare the following equipments for other installation method and run check 1 Clamp meter 3 Insulation resistance tester 2 Thermometer 4 Electroscope 13 3 4 Recharging of Refrigerant When it is necessary to recharge refrigerant charge the specified amou
105. ng None IGBT short circuit Compressor motor rear short Trouble on position detecting circuit Trouble on current detecting circuit Condensor pipe temp sensor TE fault Suction pipe temp sensor TS fault Discharge pipe temp sensor TD fault Trouble on outdoor fan Outdoor temp sensor TO fault Trouble on compressor system Gas side pipe temp sensor a TGa fault Gas side pipe temp sensor b TGb fault TGa TGb sensor out of place P M V fault Communication trouble between M C U Compressor lock Trouble on discharge temp Gas leakage Dede dees ie ee eee ede dd Ue ee Od dee neee idee ee CAE AK JORO IK IK AK AKAK AKAL AKALI Compressor break down glide de neen dees Te LED ON LED OFF These LEDs do not normally light 1 If trouble occurs LED Red goes on according to the contents of trouble as shown in the table above 2 When two or more troubles occur LEDs go on cyclically alternately 3 When the trouble is eliminated LEDs Red go off LED Red This product is compliant with Directive 2002 96 EC and cannot be disposed as unsorted municipal waste This product must be returned to the appropriate collection facility as specified by your municipality f 11 HOW TO DIAGNOSE THE TROUBLE The pulse motor circuits are mounted to both indoor and outdoor units Therefore diag
106. ng noise heard from the electrode 86 Replace the main P C board MCC 1571 How to check output of the air purifier Caution on High Voltage gt High voltage tester Heat exchanger Be sure not to come to contact to the gray part or not to touch the ionized cables Replace the high voltage generator No trouble 11 9 How to Diagnose Trouble in Outdoor Unit 11 9 1 Summarized Inner Diagnosis of Inverter Assembly Diagnosis Process flowchart Table 11 9 1 Item Contents Remove connector of compressor Check 25A fuse Part No FO1 Replace fuse Check electrolytic capacitor diode block DBO1 etc Check terminal voltage of electrolytic capacitor Check electrolytic capacitor diode DBO1 etc Does outdoor fan rotate Remove connector CN300 of outdoor fan motor and using a tester check resistance value between every phases at motor side Replace outdoor fan motor Preparation Turn OFF the power supply breaker and remove 3P connector which connects inverter and compressor Check whether 25A fuse on the control board assembly is blown or not F01 Operation Turn on the power breaker and operate the air conditioner in COOL mode by time shortening Measurement Measure terminal voltage of the electrolytic capacity 760uF 400WV x 3 After operation turn off the power breaker after 2 minutes 20 seconds p
107. ng safety Observe them without fail After the servicing work perform a trial operation to check for any problem Turn off the main power supply switch or breaker before the unit maintenance CAUTION New Refrigerant Air Conditioner Installation THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT R410A WHICH DOES NOT DESTROY OZONE LAYER R410A refrigerant is apt to be affected by impurities such as water oxidizing membrane and oils because the working pressure of R410A refrigerant is approx 1 6 times of refrigerant R22 Accompanied with the adoption of the new refrigerant the refrigeration machine oil has also been changed Therefore during installation work be sure that water dust former refrigerant or refrigeration machine oil does not enter into the new type refrigerant R410A air conditioner circuit To prevent mixing of refrigerant or refrigerating machine oil the sizes of connecting sections of charging port on main unit and installation tools are different from those used for the conventional refrigerant units Accordingly special tools are required for the new refrigerant R410A units For connecting pipes use new and clean piping materials with high pressure fittings made for R410A only so that water and or dust does not enter Moreover do not use the existing piping because there are some problems with pressure fittings and possible impurities in existing piping CAUTION TO DISCONNECT THE APPLIANCE FROM T
108. nose troubles according to the trouble diagnosis procedure as described below Refer to the check points in servicing written on the wiring diagrams attached to the indoor outdoor units Table 11 1 Troubleshooting Procedure Troubleshooting Procedure First Confirmation Trouble Diagnosis by Outdoor LED Primary Judgment Troubleshooting Judgment by Flashing LED of Indoor Unit How to Diagnose Trouble in Outdoor Unit Self Diagnosis by Remote Controller Inspection of the Main Parts Judgment of Trouble by Every Symptom How to Simply Judge Whether Outdoor Check Code 1C and 1E 84 Fan Motor is Good or Bad ola o nN Precautions when handling the inverter CAUTION HIGH VOLTAGE The high voltage circuit is incorporated Be careful to do the check service as the electric shock may be caused in case of touching parts on the P C board by hand The control circuitry has an uninsulated construction et Compressor IGBT x 6 Fan motor Shared potential M18UAV E uninsulated type Fig 11 1 f CAUTION A high voltage equivalent to the supply voltage is also energized to ground through the sensors PMV and other low voltage circuits The sensor leads and other wires are covered with insulated tubes for protection Nevertheless care must be taken to ensure that these
109. ns to the storage position 2 Louver position in heating operation Heating operation AUTO HEAT Powerful vA ior Initial setting of Heating storage position Louver Directs downward 72 Heating storage position Louver Directs downward 58 SLEEP MODE operation In case that the following temperature is obtained during 12 minutes or 12 to 25 minutes from start of heating operation Room temperature TA lt Set temperature Tsc 3 0 In case that the following temperature is obtained during 12 to 25 minutes from start of heating operation Room temperature TA gt Set temperature Tsc 3 0 or when 25 minutes or more passed from start of heating operation Heating storage position Louver Directs downward 72 3 Louver position in dry operation Inclined blowing Inclined blowing Horizontal blowing A Cooling storage position Louver Directs downward 23 Dry operation XN Initial setting of Cooling storage position Louver Directs downward 23 1 Inclined blowing Inclined blowing Blowing downward DA The louver position can be arbitrarily set up by pushing FIX button 1 When pushing SWING button during operation the louver starts swinging 2 Each time you push the SWING button you can change the swing mode Vertical swing Horizontal swing Vertical and Horizontal swing amp Stop swinging
110. nt of new refrigerant according to the following steps When the compound gauge s pointer has indicated 0 1 Mpa 76 cmHg place the handle Low in the fully closed position and turn off the vacuum pump s power switch that the compound gauge s pointer does not return Q o 3 2 D Q gt 2 D Q 2 DD x Q D I o o o o gt OD lt e o c c 3 o c 3 o Set the refrigerant cylinder to the electronic balance connect the connecting hose to the cylinder and the Keep the status as it is for 1 to 2 minutes and ensure connecting port of the electronic balance and charge liquid refrigerant For refrigerant charging see the figure below Place the handle of the gauge manifold Low in the fully opened position and turn on the vacuum pump s power switch Then evacuating the refrigerant in the cycle 1 Never charge refrigerant exceeding the specified amount 2 If the specified amount of refrigerant cannot be charged charge refrigerant bit by bit in COOL mode 3 Do not carry out additional charging When additional charging is carried out if refrigerant leaks the refrigerant composition changes in the refrigeration cycle that is characteristics of the air conditioner changes refrigerant exceeding the specified amount is charged and working pressure in the refrigeration cycle becomes abnormally high pressure and may cause a rupture or personal injury Water h
111. nterior surfaces are less affected by contaminants 1 Copper Pipes It is necessary to use seamless copper pipes which are made of either copper or copper alloy and it is desirable that the amount of residual oil is less than 40 mg 10 m Do not use copper pipes having a collapsed deformed or discolored portion especially on the interior surface Otherwise the expansion valve or capillary tube may become blocked with contaminants As an air conditioner using R410A incurs pressure higher than when using R22 it is necessary to choose adequate materials Thicknesses of copper pipes used with R410A are as shown in Table 3 2 1 Never use copper pipes thinner than 0 8 mm even when it is available on the market Table 3 2 1 Thicknesses of annealed copper pipes Thickness mm Nominal diameter Outer diameter mm R410A 2 Joints For copper pipes flare joints or socket joints are used Prior to use be sure to remove all contaminants a Flare Joints Flare joints used to connect the copper pipes cannot be used for pipings whose outer diameter exceeds 20 mm In such a case socket joints can be used Sizes of flare pipe ends flare joint ends and flare nuts are as shown in Tables 3 2 3 to 3 2 6 below b Socket Joints Socket joints are such that they are brazed for connections and used mainly for thick pipings whose diameter is larger than 20 mm Thicknesses of socket joints are as shown in Table
112. of power failure during timer operation the timer operation is cancelled In that case set the timer operation again NOTE The Everyday Timer is reset while a command signal can be received from the remote controller even if it stopped due to a power failure 48 9 4 Remote Controller and Its Functions 9 4 1 Parts Name of Remote Controller 1 ASKE AUTOAR OD pem um AM 14 41 Lir ToS FL ost HIPOMER amp AMES CHK EI un n t 14 16 15 13 18 10 em J er ES D CLOCKO RESETG PP 1 LL TR AR Infrared signal transmitter Transmits signals to the indoor unit 2 o button Push the button to start operation A receiving beep is heard Push the button again to stop operation A receiving beep is heard If the receiving beep isn t heard from the indoor unit push the button again 3 Mode select button MODE Push this button to select a mode Each time you push the button the modes cycle in order from A Auto change over control 1X Cool 9 Dry XX Heat and back to A A receiving beep is heard A 4 Temperature button rer A The temperature setting is raised to 30 C V The temperature setting is lowered to 17 C A receiving beep is heard 5 Set horizontal air flow button FIX Push this button to adjust the horizontal air flow direction A receiving
113. ogen gas N2 flow Never use gas other than Nitrogen gas 1 Brazing method to prevent oxidation 1 Attach a reducing valve and a flow meter to the Nitrogen gas cylinder 2 Use a copper pipe to direct the piping material and attach a flow meter to the cylinder 3 Apply a seal onto the clearance between the piping material and inserted copper pipe for Nitrogen in order to prevent back flow of the Nitrogen gas 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 Hr or 0 02 MPa 0 2kgf cm by means of the reducing valve 6 After performing the steps above keep the Nitrogen gas flowing until the pipe cools down to a certain extent temperature at which pipes are touchable with hands 7 Remove the flux completely after brazing Nitrogen gas cylinder From Nitrogen cylinder gas Rubber plug Fig 3 5 1 Prevention of oxidation during brazing 16 4 CONSTRUCTION VIEWS 4 1 Indoor Unit RAS M10PKVP E RAS M13PKVP E RAS M16PKVP E f e 296 2 Atthe time of operation T mm mn TAP L 790 gn E Plasma ion charger Moving panel Front panel 790 242 Atthe time of a stop 62 EH N eg N
114. olding by hands so that the fan motor does not fall Precautions when assembling the fan motor Tighten the flange nut using a tightening torque of 4 9 Nem zd Part name Procedure Remarks Compressor 1 Perform work of item 1 of 1 and 3 5 2 Extract refrigerant gas 3 Remove the partition board ST1T 4 x 8L 3 pcs 4 Remove the sound insulation material 5 Remove terminal cover of the compressor and disconnect lead wire of the compressor and the comp thermo assembly from the terminal 6 Remove pipe connected to the compressor with a burner Take care to keep the 4 way valve away from naked flames Otherwise it may malfunction 7 Remove the fixing screw of the bottom plate and heat exchanger ST1T 4 x 8L 1 pc 8 Remove the fixing screw of the bottom plate and valve fixing plate ST1T 4 x BL 1 pc 9 Pull upward the refrigeration cycle 10 Remove BOLT 3 pcs fixing the compressor to the bottom plate Precautions when assembling the compressor Tighten the compressor bolts using a tightening torque of 4 9 N m Partition board Reactor 1 Perform work of item 1 of 2 and 3 2 Remove screws fixing the reactor ST1T 4 x 8L 4 pcs 105 Part name Procedure Remarks Electronic expansion valve coil 1 Detachment 1 Perform step 1 in 2 all the steps in 3 and 1 in 2 Remove
115. on 1 Check whether or not the compressor operates 2 Check whether or not the OPERATION indicator flashes The temperature of the indoor heat exchanger is extremely low The connection of the heat exchanger sensor is loose The connector is disconnected CN602 The heat exchanger sensor and the P C board are defective Refer to Table 11 3 1 The main P C board is defective If the above condition No 5 still continues start the unit in the following condition Set the operation mode to HEAT Set the preset temperature much higher than room temperature Check whether or not the compressor operates Check whether or not the OPERATION indicator flashes The temperature of the indoor heat exchanger is extremely high The connection of the heat exchanger sensor short circuited CN602 The heat exchanger sensor and the P C board are defective Refer to Table 11 3 1 The main P C board is defective Connect the motor connector to the motor and turn on the power supply Start the unit the following condition Setthe fan speed level to HIGH The unit compressor operates continuously in the above condition in No 5 Check it is impossible to detect the voltage DC 15V between 3 and 4 of the motor terminals The motor does not operate or the fan motor does not rotate with high speed But it is possible to receive the signal from the remote
116. onnection Service port cap connection Check places for outdoor unit Fig 10 6 1 10 6 2 Test Operation To test the system push and hold RESET button for 10 sec There will be one short beep OPERATION amp TIMER S CLEAN 9 Q RESET RESET button 7 E o Fig 10 6 2 10 6 3 Setting the Auto Restart This product is designed so that after a power failure it can restart automatically in the same operating mode as before the power failure NOTE The product was shipped with Auto Restart function in the OFF position Turn it ON as required 1 Push and hold the RESET button for about 3 seconds After 3 seconds three short electric beeps will be heard to inform you that the Auto Restart has been selected 2 To cancel the Auto Restart follow the steps described in the section Auto Restart Function of the Owner s Manual 10 6 4 Select Switch on Remote Controller If two indoor units are installed in the same room or adjoining rooms when the user tries to operate only one unit both units may receive the same remote controller signal and operate This can be prevented by changing one of the indoor units and remote controllers to setting B the default setting for both units is A If the indoor unit and remote controller settings are different the remote controller signal is not accepted Setting the remote controller 1 Slide open the remote controller cover and remove the batteries
117. oof cover The water proof cover must be attached without fail in order to prevent rain water etc from entering inside the indoor unit 2 Attach the upper cabinet ST1T 4 x 8L 5 pcs 3 Perform cabling of connecting cable 4 Attach the valve cover ST1T 4 x 8L 3 pcs Insert the upper part into the square hole of the side cabinet set hook claws of the valve cover to square holes at three positions of the main unit and attach it pushing upward 100 Upper cabinet FE dE Water proof cover C Lg Valve cover Insert the bent part into the rear panel of the inverter Bring into contact against these parts 08 Align the stitch line Bend downward and align with the top edge with the inside surface of the front cabinet of the front cabinet How to mount the water proof cover Part name Procedure Remarks Front 1 Detachment cabinet 1 Perform step 1 in D Motor base 2 Remove the fixing screws ST1T 4 HER Inverter cover x 8L 2 pcs used to secure the front cabinet and inverter cover the screws ST1T 4 x8L 3 pcs used to secure the front cabinet at the bottom the fixing screws ST1T 4 x 8L 2 pcs used to secure the motor base and the fixing screws ST1T 4 x 8L 1 pc used to secure the side Front cabinet cabinet right The front cabinet is fitted into the side cabinet left at the front left Side so pull up the top of the front cabinet to remove it
118. operation Temp measurement by outdoor heat exchanger and control for 4 way valve and outdoor fan Contents of operation command signal Serial signal from indoor unit controller to outdoor unit controller The following three types of signals are sent from the indoor unit controller Operation mode set on the remote controller Compressor revolution command signal defined by indoor temperature and set temperature Correction along with variation of room temperature and correction of indoor heat exchanger temperature are added Temperature of indoor heat exchanger For these signals Operation mode and Compressor revolution indoor heat exchanger temperature the outdoor unit controller monitors the input current to the inverter and performs the followed operation within the range that current does not exceed the allowable value Contents of operation command signal Serial signal from outdoor unit controller to indoor unit controller The following signals are sent from the outdoor unit controller The current operation mode The current compressor revolution Outdoor temperature Existence of protective circuit operation For transferring of these signals the indoor unit controller monitors the contents of signals and judges existence of trouble occurrence Contents of judgment are described below Whether distinction of the current operation status meets to the operation command signal
119. or fan motor short circuited Remove the connector of the motor and turn on the power supply breaker If OPERATION indicator flashes once per second it is not necessary to check steps 1 to 3 in the right next column Check power supply voltage 1 Between No 1 and No 3 of CN301 AC 220 240V 2 Between 4 and of C03 DC 310 340V 3 Between of IC122 and output side of IC122 DC 15V 4 Between 12V and GND 5 Between 5V and GND The terminal block or the crossover cable is connected wrongly The capacitor C01 line filter L01 resistor R02 or the diode DB01 is defective IC101 IC122 and T101 are defective IC101 IC121 IC122 and T101 are defective Push START STOP button once to start the unit Do not set the mode to On Timer operation Check power supply voltage 1 Between CNO3 and CN501 DC 15 60V IC501 and IC502 are defective Shorten the restart delay timer and start unit Check whether or not all indicators OPERATION TIMER PURE are lit for 3 seconds and they return to normal 3 seconds later The indicators are defective or the housing assembly CN261 is defective Push START STOP button once to start the unit Shorten the restart delay timer Set the operation mode to COOL Set the fan speed level to AUTO Set the preset temperature much lower than the room temperature The unit compressor operates continuously in the above conditi
120. p OFF timer setup High power Indoor unit Signal receiving Indoor unit control Command signal generating function of indoor unit i operation e en function temperature calculation Indoor fan motor Activation compensation function of indoor fan Louver motor Cold draft preventive function Moving panel motor Timer function Air purifier Serial signal send receive Indoor heat exchanger release control Clean function E Outdoor unit y I Serial signal send receive Outdoor unit control inverter Frequency control of inverter output Waveform composite function Calculation function Compressor Temperature calculation Outdoor fan motor AD conversion function 4 way valve Quick heating function e Pulse motor valve Delay function of compressor reactivation P M V Current release function PM over current preventive function Defrost operation function 28 Item Operation flow and applicable data etc Description 1 Basic operation Continued Operating mode selection when performing 2 room operation 1 The outdoor unit operating mode conforms to the instructions of the indoor unit that was pushed first 2 When combined operation consisting of cooling dry and heating fan air purification and heating or cleaning operation and heating is performed operation conforms to the instructions of the indoor unit that was pushed first as shown in the
121. pacity variable type air conditioner which uses DC motor for the indoor fan motor and the outdoor fan motor And the capacity proportional control compressor which can change the motor speed in the range from 13 to 115 rps is mounted The DC motor drive circuit is mounted to the indoor unit The compressor and the inverter to control fan motor are mounted to the outdoor unit The entire air conditioner is mainly controlled by the indoor unit controller The indoor unit controller drives the indoor fan motor based upon command sent from the remote controller and transfers the operation command to the outdoor unit controller The outdoor unit controller receives operation command from the indoor unit side and controls the outdoor fan and the pulse motor valve P M V Besides detecting revolution position of the compressor motor the outdoor unit controller controls speed of the compressor motor by controlling output voltage of the inverter and switching timing of the supply power current transfer timing so that motors drive according to the operation command And then the outdoor unit controller transfers reversely the operating status information of the outdoor unit to control the indoor unit controller As the compressor adopts four pole brushless DC motor the frequency of the supply power from inverter to compressor is two times cycles of the actual number of revolution 1 Role of indoor unit controller The indoor unit
122. pliers 1 Slide open the remote controller cover and remove the batteries HiPOWER SLEEPNODE MEMO AY lt gt SWING FIX j FIX FAN Jumper wire 2 Cut the jumper wire inside the battery compartment using nippers The jumper wire should not remain in contact after being cut Also be careful not to let plastic scraps jumper wire cuttings or other debris enter the inside of the remote controller Insert the batteries B appears in the remote controller display Even after the jumper wire has been cut switching between A and B is still possible by pushing the CHECK button and FIX button together The A or B setting which was switched by pushing the CHECK button and FIX A V button together is restored to the setting established prior to the switching when the battery is replaced or the RESET button is pushed When switching between settings A and B always switch the indoor unit board and the remote controller as a pair Otherwise the indoor unit will not accept the remote controller s signals Push the RESET button Indoor unit to start automatic operation Cutting direction Push the o button of the remote controller that was set in step 1 to Y I stop the air conditioner This operation will change the setting to B Check that the remote controller operates the indoor unit 45 Item Operation f
123. pped Pushed first C Cleaning operation Cleaning operation eaning operation Pushed ast Cooling dry Cooling dry Cooling Pushed first Cooling dry Cooling dry Pushed ast eaning operation eaning operation Cooling Pushed first eaning operation eaning operation Pushed ast Fan solo air purification Fan solo air purification Stopped Pushed first Fan solo air purification Fan solo air purification Pushed ast eaning operation eaning operation Stopped Pushed first eaning operation eaning operation Pushed ast Heating Fan stopped Stopped Pushed first Heating Heating Pushed ast eaning operation Fan stopped Heating Cooling Heating operation The operations are performed in the following parts by controls according to cooling heating conditions 1 Receiving the operation ON signal of the remote controller the cooling or heating operation signal starts being transferred from the indoor controller to the outdoor unit 2 Atthe indoor unit side the indoor fan is operated according to the contents of 2 Indoor fan motor control and the louver according to the contents of 9 Louver control respectively 3 The outdoor unit controls the outdoor fan motor compressor pulse motor valve PMV and 4 way valve according to the ope
124. r CAUTION Completely fill in the gaps in the pipe holes with noncombustible material such as putty to prevent condensation and fire in the casing Mounting the installation plate Positions recommended for securing the screws 4 places Anchor bolt holes 5 1 Installation plate RETT Pipe hole 5 Mounting screw Fig 10 3 3 55 Mounting the installation plate directly on a wall 1 Securely fit the installation plate onto the wall by screws with the upper and lower catches To mount the installation plate on a concrete wall use anchor bolts Drill the anchor bolt holes as illustrated in the above figure Place the level at the top end of the installation plate and check that the plate is horizontal 2 CAUTION When installing the installation plate with mounting screws do not use anchor bolt holes Otherwise the unit may fall down and result in personal injury and property damage EL Anchor bolt N NO OK NO o less GOOD GOOD Fig 10 3 4 5 mm dia hole 5 Mounting screw 4 x 25L v Clip anchor j local parts Fig 10 3 5 CAUTION Failure to securely install the unit may result in personal injury and or property damage if the unit falls In case of block brick concrete or similar type walls drill 5 mm dia holes in the wall Insert clip anchors for the 5 mounting screws NOTE Install the installation plate using b
125. r for approx 1 hour While the air purifier operates check that the fan speed AUTO is not displayed Because the power ON OFF is controlled on the program Conduction check of micro switch NE Micro switch malfunction Push the switch ON Release the switch 3 Be sure not to touch the electric dust collector ionizer or ionized wire unit with the human body N Does the indoor fan rotate E To item Only indoor fan does not operate YES Does the PURE indicator Blue or N NO the FILTER indicator Orange go on YES Does the PURE indicator go off within 2 seconds after it was ON and does the FILTER indicator Orange go on YES Are the electric dust collector and ionizer dried Electrode check NO x o o o c 2 o a o YES Dry the electric dust collector and ionizer Refer to items cleaning and check for the electric dust collector ionizer ionized wire units When the ionized wire is disconnected or when dirt is not cleaned even cleaned replace each unit YES Referring to the right figure check the high output voltage of the air filter unit OTE Use an exclusive high voltage tester otherwise the tester may be broken Is output of the ionizer approx 4 0 kV to 6 3 kV YES Are the electric dust collector ionizer ionized wire units dirty Is an abnormal sound cracki
126. ration signal sent from the indoor unit 1 The relay of 4 way valve is turned on for a few seconds when 4 way valve is driven Operation ON Setup of remote controller Indoor fan motor control Louver control Indoor unit control Outdoor unit control Compressor revolution control Outdoor fan motor control 4 way valve control Pulse motor valve control 29 Item Operation flow and applicable data etc Description 1 Basic operation Continued 4 AUTO operation Selection of operation mode As shown in the following figure the operation starts by selecting automatically the status of room temperature Ta when starting AUTO operation Cooling operation Monitoring Fan Heating operation Heat pump model 1 When reselecting the operation mode the fan speed is controlled by the previous operation mode Detects the room temperature Ta when the operation started Selects an operation mode from Ta in the left figure Fan operation continues until an operation mode is selected When AUTO operation has started within 2 hours after heating operation stopped and if the room temperature is 20 C or more the fan operation is performed with Super Ultra LOW mode for 3 minutes Then select an operation mode If the status of compressor OFF continues for 15 minutes the room temperature after selecting an operation mode COOL HEAT reselect an operation mode DRY opera
127. recautions for air conditioner using the new refrigerant Conforming to contents of the next section together with the general cautions included in this manual perform the correct and safe work 3 1 Safety During Installation Servicing As R410A s pressure is about 1 6 times higher than that of R22 improper installation servicing may cause a serious trouble By using tools and materials exclusive for R410A itis necessary to carry out installation servicing safely while taking the following precautions into consideration 1 Never use refrigerant other than R410A in an air conditioner which is designed to operate with R410A If other refrigerant than R410A is mixed pressure in the refrigeration cycle becomes abnormally high and it may cause personal injury etc by a rupture 2 Confirm the used refrigerant name and use tools and materials exclusive for the refrigerant R410A The refrigerant name R410A is indicated on the visible place of the outdoor unit of the air conditioner using R410A as refrigerant To prevent mischarging the diameter of the service port differs from that of R22 3 If a refrigeration gas leakage occurs during installation servicing be sure to ventilate fully If the refrigerant gas comes into contact with fire a poisonous gas may occur 4 When installing or removing an air conditioner do not allow air or moisture to remain in the refrigeration cycle Otherwise pressure in the refrig
128. reen Protective circuit operation for outdoor Flashing display 5 Hz P C board OPERATION Green TIMER Orange Flashing display 5 Hz Protective circuit operation for others including compressor NOTE The contents of items B and C and a part of item E are displayed when air conditioner operates When item B and C and item B and a part of item E occur concurrently priority is given to the block of item B The check codes can be confirmed on the remote controller for servicing 75 11 4 Self Diagnosis by Remote Controller Check Code 1 If the lamps are indicated as shown B to E in Table 11 3 1 execute the self diagnosis by the remote controller 2 When the remote controller is set to the service mode the indoor controller diagnoses the operation condition and indicates the information of the self diagnosis on the display of the remote controller with the check codes If a fault is detected all lamps on the indoor unit will flash at 5Hz and it will beep for 10 seconds beep beep beep The timer lamp usually flashes 5Hz during self diagnosis 11 4 1 How to Use Remote Controller in Service Mode din exe Ene 1 Push CHECK button with a tip of pencil to set the remote controller to the service mode Ili is indicated on the display of the remote controller P 2 Push ON A or OFF Y button i If there is no fault with a code the indoor unit will beep once Beep
129. remote controller in a place exposed to direct sunlight or close to a heating Source such as a stove Keep the remote controller at least 1 m away from the nearest TV set or stereo equipment This is necessary to prevent image disturbances or noise interference Do not install near high frequency devices or wireless devices The location of the remote controller should be determined as shown below Side view Top view s Indoor unit Zm T Reception Reception Remote range x range controller Remote controller Axial distance Fig 10 3 1 10 3 2 Drilling and Mounting Installation Plate Drilling When installing the refrigerant pipes from the rear E 150 mm from Dia 80 mm unit edge o gt 4 74 000 C 100 mm to pipe N hole center Fig 10 3 2 1 Decide the installation plate mounting position on the wall 2 Mark the corresponding pipe hole wall positions according to the positioning marks E on the installation plate 3 Drill the pipe holes Dia 65 mm or Dia 80 mm slightly slanted downward to the outside NOTE When drilling into a wall that contains a metal lath wire lath or metal plate be sure to use a pipe hole brim ring sold separately The unit is designed to enable installation using holes of 65 mm in diameter However if installation is difficult make holes that are 80 mm in diamete
130. rror Compressor error lock missing etc Break down Disconnection or short circuit of the gas side sensor TG Communication error between MCUs on outdoor P C board Displayed when error is detected Check 5 serial LED When 20 seconds passed after start up position detect circuit error occurred Replace compressor Trouble on P M V Check gas side temp sensor TG Check P C board Check communication wire between outdoor P C board Check outdoor P C board Others including compressor Return serial signal has been sent when operation started but it is not sent from halfway 1 Compressor thermo operation Gas shortage Gas leak 2 Instantaneous power failure Operation continues Flashes when trouble is detected on return serial signal and normal status when signal is reset Repeat Start and Stop with interval of approx 10 to 40 minutes Code is not displayed during operation Supply gas Check also gas leak Unit operates normally during check If return serial signal does not stop between indoor terminal block 2 and 3 replace inverter P C board If signal stops between indoor terminal block 2 and 3 replace indoor P C board Compressor does not rotate Current protective circuit does not operate when a specified time passed after compressor had been activated Displayed when error is detected Trouble on compressor Trouble on wiring
131. rst initiated takes precedence When the air conditioner is started up or when its operation mode is switched operation will not be initiated for about 3 minutes This delay is designed to protect the main unit and it is normal and not indicative of any malfunctioning When the outdoor temperature drops power is supplied to the compressor to preheat it as a way of protecting the compressor Use the air conditioner with the circuit breaker left at the on setting The power consumption level while the compressor is in the preheat status is approximately 20 W This outdoor unit uses an electronic expansion valve It will make a rattling sound when the power is turned on and when operation is started up at a rate of once every one to two months This is normal and not indicative of any malfunctioning This sound is made when the initial settings for ensuring that control will be exercised under the optimum conditions are being established During heating operations refrigerant will flow to the indoor units which are currently shut down as well For this reason sounds may be heard from the units which are shut down or the surfaces of the indoor units may warm up 10 6 Test Operation 10 6 1 Gas Leak Test Check the flare nut connections for gas leaks with a gas leak detector and or soapy water Check places for indoor unit Flare nut connections Indoor unit Flare nut connections Outdoor unit Valve stem cap c
132. s x8 Main P C board CN300 Outdoor fan motor 3P white See NOTE CN701 4 way valve 2P yellow Sub P C board CNO01 TE sensor 2P white CN11 PMW 6P white CN12 PMV 6P red CNO04 TS sensor 3P white CNO02 TD sensor 3P white CNO03 TO sensor 2P white CNO05 TGa sensor 3P yellow CN14 TGb sensor 3P red CN10 Case thermo 2P blue CNO7 Lead for communication CN13 Lead for AC power supply These connectors have a disconnect prevention mechanism as such the lock on their housing must be released before they are disconnected 2 Remove the control board assembly from the P C board base Remove the heat sink and control board assembly while keeping them screwed together NOTE Disengage the four claws of the P C board base hold the heat sink and lift to remove it 3 Remove the two fixing screws used to secure the heat sink and control board assembly 4 Mount the new control board assembly When mounting the new control board assembly ensure that the P C board is inserted properly into the P C board support groove Disconnect the connectors Remove the two screws PT2F 4X10MS ZN then remove the Sub P C board base while disengaging the claws from the square holes Disengage the two claws of the Sub P C board base and remove the Sub P C board 103 Main P C board Ty lap tie Connector Two claws Sub rd
133. serial signal Trouble on other indoor P C boards Operation continues Return serial signal is not sent to indoor side from operation started 1 Defective wiring of connecting cable 2 Operation of compressor thermo Gas shortage Gas leak Operation continues Displayed when error is detected Flashes when trouble is detected on Return serial signal and normal status when signal is reset Replace P C board 1 When the outdoor unit never operate 1 Check connecting cable and correct if defective wiring 2 Check 25A fuse of inverter P C board 3 Check 3 15A fuse of connecting cable of inverter unit and outdoor unit 2 To display Other block during operation check compressor thermo operation and supply gas check gas leak also 3 Unit operates normally during check If return serial signal does not stop between indoor terminal board 2 and 3 replace inverter P C board If signal stops between indoor terminal board 2 and 3 replace indoor P C board sf Block distinction Operation of diagnosis function Check coda Block Cause of operation Air conditioner status Remarks Judgment and action Outdoor P C board VG LIL Inverter over current protective circuit operates Short time All off Displayed when error is detected Even if trying operation again all operations stop immediately Replace P C board Po
134. service valve at the liquid side Confirm that the compound pressure gauge reading is 101 kPa 76 cmHg Close the valve of the service valve at the gas side Turn off the unit Disconnect the connection pipes at both liquid and gas side 67 WARNING Be sure to comply with local regulations codes when running the wire from outdoor unit to indoor unit Size of wire and wiring method etc Capacity shortages of the power circuit or an incomplete installation may cause an electric shock or fire Ensure that all terminals are securely fixed using the specified cables so preventing any external forces having a negative effect on the terminals Improper connection or fixing may cause a fire Be sure to connect earth wire grounding work Incomplete grounding cause an electric shock CAUTION Use a circuit breaker of a type that is not tripped by shock waves Incorrect incomplete wiring will cause electrical fires or smoke Prepare the power source for exclusive use with the air conditioner This product can be connected to the main power Fixed wire connections A switch that disconnects all poles and has a contact separation of at least 3mm must be incorporated in the fixed wiring Wiring connection The dashed lines show on site wiring EE Indoor outdoor Main circuit connecting wires nputpower 4 zem E
135. sition detect circuit error or short circuit between windings of compressor Displayed when error is detected 1 Even if connecting lead wire of compressor is removed position detect circuit error occurred Replace P C board 2 Measure resistance between wires of compressor and perform short circuit Replace compressor PR Current detect circuit error Displayed when error is detected Even if trying operation again all operations stop immediately Replace P C board gt A Being out of place disconnection or short circuit of the outdoor heat exchanger sensor TE or suction temp sensor TS Displayed when error is detected 1 Check sensors TE TS 2 Check P C board Ji Disconnection or short circuit of discharge temp sensor Displayed when error is detected 1 Check discharge temp sensor TD 2 Check P C board Outdoor fan drive system error Displayed when error is detected Position detect error over current protective operation of outdoor fan drive system fan lock etc Replace P C board or fan motor Not displayed I Being out of place disconnection or short circuit of the outdoor temp sensor TO Operation continues 1 Check outdoor temp sensor TO 2 Check P C board Outdoor P C board IG Compressor drive output e
136. symptoms NO Set it correctly Replace coil valve Are temp sensors of indoor outdoor units correctly set to the holder NOTE The temperature sensors which are used to control pulse motor valve include indoor heat exchanger sensor TC A room gas side temp sensor TGa B room gas side temp sensor TGb and outdoor suction temp sensor TS Gas amount check and valve clogging check Check them when operation is performed is only one of A or B room Remove TC sensor connector from the P C board in indoor unit Remove connector from the P C board Operate the air conditioner in COOL mode by TEMP button Beep sound is heard if keeping pushed for 10 seconds The operation enters temporary operation mode which fixes opening degree of P M V and No of revolution of compressor Check condensation at outlet of P M V and then check operating pressure from the service port Replace valve Set it correctly Existence of condensation at outlet of P M V If there is condensation at outlet 1 4 inch 6 35mm valve side the valve is clogged NO Check the operating pressure from service port and add gas if pressure is low 84 11 7 Trouble Diagnosis by Outdoor LED For the outdoor unit the self diagnosis is possible by five LEDs Red LEDs Red D09 to D13 are provid
137. t at the rear centre of the unit exchanger 4 Remove the cross flow fan while lifting the heat exchanger Screws 12 mm 27mm Fig 12 1 13 pu SR MEME Be ring base 2 Check that the fan motor shaft end projects by 9 mm above the screw boss of the cross flow Screws fan 10 mm If the motor shaft end is below the screw boss the cross flow fan may have been assembled improperly Check again whether the cross flow fan have been assembled properly Heat exchanger Detail B Set screw of the cross flow fan Fan motor shaft N 9mm Fig 12 1 14 Fig 12 1 11 3 Be sure to tighten the hexagon socket set CAUTION screw so that it touches the D cut surface of the fan motor shaft Check and perform items 1 and 2 in the following right side xo O Fig 12 1 12 98 12 2 Plasma lon Charger 12 2 1 Common Procedure 1 Perform work of Detachment 12 1 1 Removing the Front Panel and Moving Panel for the indoor unit 2 Detach the two air filters 12 2 2 Protective Board 1 Remove the screw shown in the figure 2 Shift the protective board to the left 3 Pull the protective board toward you to remove it Screw Fig 12 2 1 12 2 3 High voltage Power Supply Unit and Discharger Unit 1 Perform work of Detachment 12 1 1 Removing the Front Panel and Moving Panel 2 Disconnect the 4P connector on the high voltage power supply unit 3 Remove the screw securin
138. t exchanger fixing holder lower Fig 12 1 9 CAUTION Check that the claw is engaged with the end plate hook and then secure the heat exchanger with screws 12 1 7 Fan Motor 1 Perform work of Detachment 12 1 1 Removing the Front Panel and Moving Panel and 12 1 3 Electric Parts Cover Detached 2 Loosen the hexagon socket set screw of the cross flow fan from the air outlet 3 Remove the two fixing screws of the motor band right 4 Pull the motor band right and the fan motor out of the unit Hexagon socket set screw Fixing screws Motor band right Motor connector Motor band right UE Positioning ribs Fig 12 1 10 CAUTION Install the fan motor while positioning it so that the fan motor connector comes between the positioning ribs on the motor band right Be sure to tighten the hexagon socket set screw so that it touches the D cut surface of the fan motor shaft 97 12 18 Cross Flow Fan 1 Keep 27mm distance between the support 1 Perform work of Detachment 12 1 1 Removing shaft at the rear centre of the unit and the the Front Panel and Moving Panel and 12 1 2 immediate right joint section of the cross flow Fixing Frame Assembly fan 2 Remove the two fixing screws 10 mm at the left of the heat exchanger end plate and then remove the two fixing screws 12 mm of the Detail A bearing base assembly The support shaft 3 Remove the bearing base while lifting the hea
139. ted on the display of the remote controller and the unit operates according to the present operation mode as described below Automatic operation The preset temperature changes according to the operation mode selected In the Cooling operation the preset temperature drops by 1 C In the Heating operation the preset temperature increases by 2 C Cooling operation Manual The preset temperature drops 1 C The value of the preset temperature on the remote controller does not change Heating operation Manual The preset temperature increases 2 C The value of the preset temperature on the remote controller does not change The Hi POWER mode can not be set in Dry operation Release of Hi POWER mode Push Hi POWER button on the remote controller again 9 6 Intermittent Operation Control for Indoor Fans of the Indoor Unit at Thermo off Side in Heating Operation While heating operation is executed in two rooms if room temperature reached the setup temperature in one room and thermo off occurred the following operations start Refer to the figure below 1 The indoor unit of the room A room in which thermo off did not occur starts a continuous operation with the setup number of revolution The indoor unit of the room B room in which thermo off occurred starts intermittent operation of the indoor fan The indoor fan operates with number of revolution of UL or SUL Fan ON time is 2 minutes and Fan O
140. the air water heat pump using R410A is changed to prevent mixing of other refrigerant To reinforce the pressure resisting strength flare processing dimensions and opposite side dimension of flare nut For 12 7 copper pipe of the refrigerant piping are lengthened The used refrigerating oil is changed and mixing of oil may cause a trouble such as generation of sludge clogging of capillary etc Accordingly the tools to be used are classified into the following three types 1 Tools exclusive for R410A Those which cannot be used for conventional refrigerant R22 2 Tools exclusive for RA10A but can be also used for conventional refrigerant R22 3 Tools commonly used for R410A and for conventional refrigerant R22 The table below shows the tools exclusive for R410A and their interchangeability Tools exclusive for R410A The following tools for R410A are required Tools whose specifications are changed for R410A and their interchangeability Used tool R410A air water heat pump installation Conventional air water heat pump installation Existence of new equipment for RA10A Whether conventional equipment can be used Whether new equipment can be used with conventional refrigerant Flare tool Pipe flaring Yes Note 1 O Copper pipe gauge for adjusting projection margin Flaring by conventional flare tool Yes Note 1 Note 1 Torque wrench For 12 7 Con
141. the coil by pulling it up from the electronic control valve body 2 Attachment 1 When assembling the coil into the valve body ensure that the coil anti turn lock is installed properly in the pipe Handling precaution When handling the parts do not pull the leads When removing the coil from the valve body use your hand to secure the body in order to prevent the pipe from being bent out of shape anti turn Coil anti turn lock position Coil inserting position Fan guard 1 Detachment 1 Perform work of item 1 of 2 2 Remove the front cabinet and put it down so that fan guard side directs downward Perform work on a corrugated cardboard cloth etc to prevent flaw to the product 3 Remove the hooking claws by pushing minus screwdriver according to the arrow mark in the right figure and remove the fan guard 2 Attachment 1 Insert claws of the fan guard in the holes of the front cabinet Push the hooking claws 9 positions by hands and fix the claws All the attaching works have completed Check that all the hooking claws are fixed to the specified positions 106 _ Minus screwdriver L4 Hooking claw Part name Procedure Remarks TE sensor outdoor heat exchanging temperature sensor Attachment With the sensor leads pointing in the direction shown in the figure install the sensor onto the straight pipe part of the a condenser output pipe A 5 Detai
142. the compressor Tc or Te Heat exchanger temperature at evaporation side Item Operation flow and applicable data etc Description 15 Clean operation Unit now performing cooling or dry operation Push STOP button Only S CLEAN indicator lights and clean operation starts Time set now elapses Operation stops During clean operations The louver opens slightly The indoor fan operates continuously at a speed of 450 rpm Clean operation times Up to 10 minutes Cooling Auto cooling Dry Purpose The clean operation is to minimize the growth of mold bacteria etc by running the fan and drying so as to keep the inside of the air conditioner clean Clean operation When the cooling or dry operation shuts down the unit automatically starts the clean operation which is then performed for the specified period based on duration of the operation which was performed prior to the shutdown after which the clean operation stops The clean operation is not performed after a heating operation Operation 1 When the stop signal from the remote controller is received the S CLEAN indicator Orange on the main body lights and the clean operation starts Neither the OPERATION indicator nor the PURE indicator light The period of the clean operation is determined by the duration of the operation performed prior to the reception of the stop code 3 After the clean operation has been performed
143. the compressor for approx 60 seconds 2 Invert ON 4 way valve approx 40 seconds after stop of the compressor 3 The outdoor fan starts rotating at the same time when the compressor starts Item Operation flow and applicable data etc Description 9 Louver control 1 Louver position 2 Air direction adjustment This function controls the air direction of the indoor unit The position is automatically controlled according to the operation mode COOL HEAT The set louver position is stored in memory by the microcomputer and the louver returns to the stored position when the next operation is performed Cooling heating memory position The angle of the louver is indicated as the horizontal angle is 0 When the louver closes fully it directs approx 10 upward 1 Louver position in cooling operation Cooling operation AUTO COOL Louver angle es Powerful LA LA Initial setting of Cooling storage position Louver Directs downward 23 1 Cooling storage position Louver Directs downward 34 1 When the indoor humidity is high Hu sensor valve 2 70 the compressor speed is 23 rps or more and the position of the louver is less than 29 the louver moves to 29 to prevent the air outlet from dew drop And the louver can t move to less than 29 When the indoor humidity becomes low or the compressor speed becomes less than 23 rps the louver retur
144. the right side section and lift up the front panel bottom 4 Close the moving panel to remove the clips on Panel support the top side as shown below Push your finger down on the clip on the front panel top and lift up the panel back edge so that the clip is released 5 locations Clip Clip Clip Clip Clip Oo CG Q0 4 Moving panel Front panel Fig 12 1 1 2 Remove the four set screws on the front panel Fig 12 1 3 Fig 12 1 2 94 12 1 2 Fixing Frame Assembly 1 Detach the two air filters 2 Disconnect the plasma ion charger connector and the earth lead black The earth lead is connected to the heat exchanger with a screw 3 Remove the two screws securing the fixing frame to the rear of the indoor unit Fixing frame Screws N Air filter Connector Plasma ion charger Earth screw Plasma ion charger Fig 12 1 4 4 While turning the upper part of the fixing frame to the front release the front claw of the fixing frame from the rear of the indoor unit Claws Upper part 7 TO Claws Front part Fig 12 1 5 12 1 3 Electric Parts Cover Detached 1 Perform work of Detachment 12 1 1 Removing the Front Panel and Moving Panel 2 Remove the screw beside the screw that secures the electric parts box assembly 3 Remove the connector cover screws and detach the connector cover 4 While pushing the claw of the lead wire cover in the direction shown i
145. tion DRY operation is performed according to the difference between room temperature and the setup temperature as shown below In DRY operation fan speed is controlled in order to prevent lowering of the room temperature Fan speed 30 Detects the room temperature Ta when the DRY operation started Starts operation under conditions in the left figure according to the temperature difference between the room temperature and the setup temperature Tsc Setup temperature Tsc Set temperature on remote controller Ts 1 5 to 2 0 When the room temperature is lower 2 C or less than the setup temperature turn off the compressor Item Operation flow and applicable data etc Description 2 Indoor fan In cooling operation motor control This operation controls the fan speed at indoor unit side Symbols The indoor fan cross flow fan is operated by the phase control induction motor UH Ultra High The fan rotates in 5 stages in MANUAL mode and in 5 stages in H High AUTO mode respectively Table 1 d B Meaium L4 Low L Low COOL ON L Low UL Ultra Low SUL Super Ultra Low Y Fan speed setup MANUAL The fan speed broadly varies due to position of the louver etc The described value indicates one under condition of inclining Hi Power downward blowing AUTO Indication Fan speed When setting the fan speed L a Ww w8 to L L M M
146. to the type and shape of treated metal type of brazing filler and brazing method etc 3 Types of flux Noncorrosive flux Generally it is a compound of borax and boric acid It is effective in case where the brazing temperature is higher than 800 C Activated flux Most of fluxes generally used for silver brazing are this type It features an increased oxide film removing capability due to the addition of compounds such as potassium fluoride potassium chloride and sodium fluoride to the borax boric acid compound 4 Piping materials for brazing and used brazing filler flux Piping material Used brazing filler Used flux Copper Copper Phosphor copper Do not use Copper Iron Silver Paste flux Iron Iron Silver Vapor flux Do not enter flux into the refrigeration cycle When chlorine contained in the flux remains within the pipe the lubricating oil deteriorates Therefore use a flux which does not contain chlorine When adding water to the flux use water which does not contain chlorine e g distilled water or ion exchange water Remove the flux after brazing 3 5 3 Brazing As brazing work requires sophisticated techniques experiences based upon a theoretical knowledge it must be performed by a person qualified 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 Nitr
147. tops once it does not operate until the power will be turned on again To item of Outdoor unit does not operate 3 The outdoor unit stops 10 minutes to 1 hour after operation started and an alarm is displayed Discharge temp error check code 03 1E Sensor temp error check code 02 1C Gas shortage Gas leak Pipe clogging Gas leak P M V is defective VM Refer to the chart in 11 6 Miswiring of connecting wires of indoor outdoor units Clogging of pipe and coming off of TC sensor 83 11 6 Check Code 1C Miswiring in indoor outdoor units and 1E Check procedure 1C Disconnection of TGa sensor Discharge temp error TGb sensor P M V sensor error gas leakage Check dode 02 1C Check code 03 1E Miswiring in indoor outdoor units gas leakage disconnection of TS TC sensors Check code 02 1C Operation Is there miswiring of connectiong cable in A B rooms of indoor outdoor rooms Check Item Considerable principle cause i Measures Replace cables in A B rooms of outdoor terminal block Valve drive check Is coil of the pulse motor valve P M V correctly set YES Is connecter of coil connected to inverter NO Set it correct Are connections of A B rooms correct y YES Is positioning sound of valve sound hitting to stopper heard from valve when the air conditioner starts the operation after turning off power of the air conditioner once Item by
148. tor control Receiving the operation command from the controller of indoor unit the controller of outdoor unit controls fan speed For the fan motor a DC motor with non stage variable speed System is used However it is limited to 8 stages for reasons of controlling Air conditioner ON Remote controller Indoor unit controller 1 Outdoor unit operation command Outdoor fan control 2 Fan speed gt 400 OFF status of i the motor fan motor continues YES Air conditioner Alarm NO 4 Motor operates as shown in the table below RAS M18UAV E Cooling operation dry operation Compressor revolution rps TO gt 38 C The operation command sent from the remote controller is processed by the indoor unit controller and transferred to the controller of the outdoor unit When strong wind blows at outdoor side the operation of air conditioner continues with the fan motor stopped Whether the fan is locked or not is detected and the operation of air conditioner stops and an alarm is displayed if the fan is locked According to each operation mode by the conditions of outdoor temperature To and compressor revolution the speed of the outdoor fan shown in the table is selected 28 lt TO lt 38 15 lt TO lt 28 Normal operation 10 TO lt 15 5 5 TO x 10 O lt TO lt 5 5 1 TO gt 38 C Sleep operation TO lt 38 C TO is abnormal TO
149. ts rotating when power supply is turned on Check output DC voltage of fan motor on P C board P C board CN301 6 Blue 5 Yellow Measure voltage between GND BLACK 4 White and 5 V line YELLOW of motor connector CN301 3 Black while indoor fan motor is rotating B ou 1 Red DC 1 0V or more P C board is defective Replace P C board Under DC 1 0V Motor is defective Replace motor 81 5 Troubleshooting for remote controller lt Primary check gt Check that A or B selected on the main unit is matched with A or B selected on the remote controller The unit does not beep at all Operation lamp on indoor unit is not indicated Push the START STOP button Is transmission mark indicated YES Is receiver on indoor unit exposed to direct sunlight Push RESET button on remote controller with tip of pencil Does indoor unit Is there an d operate when moving thyristor t troll fluorescent light Fee Coe nearby near receiver or indoor unit Batteries are exhausted Push the START STOP button Does indoor unit start to operate by automatic restart function Is transmission NO mark indicated YES YES NO Does indoor unit beep and operate YES Does radio sound is affected by remote controller when a signal is transmitted at distance of 5 cm from radio P C board
150. unit in except heating operation At this time is it possible to detect DC 1V or more between 5 3 and of motor connector CN301 Check this condition within 15 seconds after starting unit Is it possible to NO change airflow level to HIGH YES YES NO Is it possible to NO rotate cross flow fan by hand properly YES Turn off indoor unit and rotate cross flow fan by hand when the unit is on standby NO At this time is it possible to detect DC 1V or more between 5 and 3 of motor connector CN301 operates normally YES Fan motor 80 Replace indoor fan motor Replace main P C board Replace bearing 4 Indoor fan motor automatically starts to rotate by turning on power supply lt Cause gt The IC is built in the indoor fan motor Therefore the P C board is also mounted to inside of the motor If the P C board is soldered imperfectly or the IC is defective the fan motor may automatically rotate by turning on power supply Inspection procedure 1 Remove the front panel Remove 2 screws 2 Remove the cover of the fan motor lead wires 3 Check DC voltage with CN301 connector while the fan motor is rotating NOTE Do not disconnect the connector while the fan motor is rotating Use a thin test rod Indoor fan star
151. upport 2 Open the vertical air flow louver 3 Insert a flathead screwdriver into the gap of the louver fixture on the right and left ends of the vertical air flow louver and turn in the counter clockwise direction to remove Louver fixture a Ny C 71 TD Horizontal air flow louvers F Y Gr Air flow louver Y Removing the louver fixture Left side Ee Removing the louver fixture Right side Fig 12 1 7 4 After pushing in the right and left connector joints remove the vertical air flow louvres Remove the centre joint and bend the louver downward Remove the right side joint first and then remove the left side joint joint Centre t Right side joint Fig 12 1 8 96 12 1 6 Heat Exchanger 1 Perform work of Detachment 12 1 1 Removing the Front Panel and Moving Panel and 12 1 2 Fixing Frame Assembly 2 Remove the pipe holder at the rear of the unit 3 Remove the two fixing screws 10 mm at the left of the heat exchanger 4 Remove the fixing screw of the heat exchanger fixing holder upper 5 Remove the fixing screw of the heat exchanger fixing holder lower 6 Release the end plate hook and the claw at the right of the heat exchanger pull up the heat exchanger and then remove the fixing holder lower from the guide of the indoor unit Hee Pipe holder Screw 10 mm Heat exchanger fixing holder upper lO OD Hea
152. utton 47 9 3 2 Cancel the Auto Restart Function To cancel auto restart function proceed as follows Repeat the setting procedure the unit receives the signal and beeps 3 times The unit will be required to be turned on with the remote controller after the main power supply is turned off When the system is on stand by not operating Operation Motions Push RESET button for more than 3 seconds Less than 10 seconds OPERATION O TIMER S CLEAN PURE e When the system is operating Operation The unit is on standby 4 Push RESET button for more than 3 seconds The unit starts to operate The green indicator is on i After approx 3 seconds The unit beeps 3 times and continues to operate If the unit is not required to operate at this time push RESET button once more or use the remote controller to turn it off Motions Push RESET button for more than 3 seconds Less than 10 seconds OPERATION O TIMER S CLEAN PURE e The unit is in operation 4 Push RESET button for more than 3 seconds The unit stops operating The green indicator is on The green indicator is turned off i After approx 3 seconds The unit beeps 3 times If the unit is required to operate at this time push RESET button once more or use the remote controller to turn it on 9 3 3 Power Failure During Timer Operation When the unit is turned off because
153. ve for HFC refrigerant Incidentally the refrigerant cylinder comes with the refrigerant designation R410A and protector coating in the U S s ARI specified rose color ARI color code PMS 507 Also the charge port and packing for refrigerant cylinder require 1 2 UNF 20 threads per inch corresponding to the charge hose s port size CAUTION Incorrect wiring connection may cause electrical parts to burn out Be sure to comply with local regulations codes when running the wire from outdoor unit to indoor unit Size of wire and wiring method etc Every wire must be securely connected If incorrect or incomplete wiring is carried out fire or smoke may result Prepare the power supply for the exclusive use of the air conditioner 54 1 1 0 3 0 3 1 Indoor Unit Installation Place A place which provides enough spaces around the indoor unit as shown in the diagram A place where there are no obstacle near the air inlet and outlet A place which allows easy installation of the piping to the outdoor unit A place which allows the front panel to be opened The indoor unit shall be installed so that the top of the indoor unit is positioned at least 2m in height Also avoid putting anything on the top of the indoor unit Remote controller Indoor unit Should be placed where there are no obstacles such as curtains that may block the signal Do not install the
154. wever if outdoor work is difficult it is possible instead to make changes to the procedure For example by making adjustments to the wiring and piping lengths on the inside rather than the outside A place where the drain water does not cause any problems Install the outdoor unit in a location where there are no obstructions near its air intake or air outlet When the outdoor unit is installed in a place that is always exposed to strong winds like on the coast or on a high story of a building secure the normal fan operation using a duct or a wind shield Especially in windy areas install the unit to prevent the admission of wind Installation in the following places may result in trouble Do not install the unit in such places A place full of machine oil A saline place such as the coast A place full of sulfide gas A place where high frequency waves are likely to be generated such as from audio equipment welders and medical equipment For installation at least 3 sides should be kept away from obstacles walls 80 mm or more only when unobstructed to the front and both sides In principle leave open 100 mm or more from wall 200 mm or more When installing the outdoor unit leave open in at least two of directions A B C and D shown in the right figure 50 mm or more from wall As shown in the figure position power cord and connecting cable downward
155. xchanger temperature lt In cooling dry operation gt Prevent freezing control for indoor heat exchanger In cooling dry operation the sensor of indoor heat exchanger detects evaporation temperature and controls the compressor speed so that temperature of the heat exchanger does not exceed the specified value Usual cooling capacity control When the value is in Q zone the compressor speed is kept Reduction of compressor speed 1 When temperature of the indoor heat exchanger drops below 5 C the compressor speed is reduced P zone When temperature of the indoor heat exchanger rises in the range from 6 C to under 7 C the compressor speed is kept Q zone When temperature of the indoor heat exchanger rises to 7 C or higher the capacity control operation returns to the usual control in cooling operation R zone In heating operation Prevent overpressure control for refrigerating cycle In heating operation the sensor of indoor heat exchanger detects condensation temperature and controls the compressor speed so that temperature of the heat exchanger does not exceed the specified value Reduction of compressor speed When the value is in Q zone the compressor speed is kept Usual heating capacity control 36 When temperature of the indoor heat exchanger rises in the range from 52 C to 55 C the compressor speed is kept Q zone When temperature of the indoor
156. y with facing tape Indoor unit Auxiliary pipes Connecting cable Installation plate Fig 10 3 18 Carefully arrange the pipes so that none of the pipes stick out of the rear plate of the indoor unit Carefully connect the auxiliary pipes and connecting pipes to each other and cut off the insulating tape wound on the connecting pipe to avoid double taping at the joint moreover seal the joint with the vinyl tape etc Since condensation can result in machine performance trouble be sure to insulate both connecting pipes Use polyethylene foam as insulating material When bending a pipe be careful not to crush it 10 3 6 Indoor Unit Installation 1 Pass the pipe through the hole in the wall and hook the indoor unit on the installation plate at the upper hooks Swing the indoor unit to right and left to confirm that it is firmly hooked on the installation plate While pushing the indoor unit onto the wall hook it at the lower part on the installation plate Pull the indoor unit toward you to confirm that it is firmly hooked on the installation plate Pull the connecting cable through the cable slot on the rear panel so that it protrudes about 15 cm out of the front Hook here 1 Installation plate Fig 10 3 19 For detaching the indoor unit from the installation plate pull the indoor unit toward you while pushing the bottom up at the specified places ey Push unhook

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