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1. Evaporator Temp sensor ae SuctionTemp sensor P Ce 4 Units Multi model only BV Heat Pump model only EN IGBT i BW module ps EW 1 BX Hey i BZ Ta H _Q200 Pao SUB P C Board P19 YEL MCC 818 3X3 Pig 21 cNeoe EC SANNE Ee 00 pede C13 G IGBT Ge C PFC Q4 C11 C10 NEST Diode block D PFC d BE i Power relay circuit i p29 moo AHN O RYO1 p24 _ Diode Tee _ block a Reactor Les lem ei P12 t ve I Reactor 8 t o 1 P08 t 15 N de SA CN701 BE Varistor sue 31 YEL 25A g a i SB0V absorber d 1 H 4P07 P03 Po4 POS __CNO1 CNo2 oul ro d Rican Eer BLK WHIT Vari Tex WHI RED Reactor PNK YEL Rea DN dep TS Ge Gab Surge 1 BLK TPA B A BB i Terminal block ONE apsorber To To To 1 To Power supply Indoor Indoor Indoor Indoor unit D1 220 240V 50Hz unit A unit B unit C L f 220V 60Hz 6 SPECIFICATIONS OF ELECTRICAL PARTS 6 1 Indoor Unit RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Parts name Fan motor for indoor Specifications DC280 340V 30W Room temp sensor TA sensor 10kQ at 25 C Heat exchanger temp sensor TC sensor 10kQ at 25 C Louver motor 6 2 Outdoor Unit RAS 4M27GAV E RAS 4M27GACV E RAS 3M26GAV E Parts name Model name SC coil Noise filter LO1 ADR25
2. The unit beeps three times The green indicator flashes and continues to operate for 5 seconds RESET FILTER TIMER OPERATION Ne If the unit is not required to operate at this time press RESET As button once more or use the remote controller to turn it off e When the unit is in operation Press RESET button for more than The unit is in operation The green indicator is on three seconds Less than 10 seconds L The unit stops operating The green indicator is turned off L After approx three seconds The unit beeps three times The green indicator flashes FILTER TIMER OPERATION for 5 seconds EN If the unit is required to operate at this time press RESET button CA once more or use the remote controller to turn it on e When the unit is turned on by this function the louver will not swing even though it was swinging automatically before shutting down e While the filter check indicator is on the RESET button has the function of filter reset button 267 9 3 2 How to Cancel the Auto Restart Function To cancel auto restart function proceed as follows Repeat the setting procedure the unit receives the signal and beeps three times The unit will be required to be turned on with the remote controller after the main power supply is turned off e When the system is on stand by not operating
3. Trouble on discharge temp Gas leakage Compressor break down 1 4 units Multi model only 2 Heat pump model only 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 a service port diameter of the outdoor unit control valve 3 way valve has been changed 1 2 UNF 20 threads per inch e In order to increase the pressure resisting strength of the refrigerant piping flare processing diameter and size of opposite side of flare nuts is changed for copper pipes with nominal dimensions 1 2 and 5 8 New tools for R410A New tools for R410A Applicable to R22 model Changes LED indication Indoor 1 If a trouble occurs LED goes on D801 D8021D803 alarmcode Contents according to the contents of e trouble as shown in the left table LI LI LI Normal running e a e e e IGBT short circuit Compressor motor rare short Ennen two enor roubles E occur LEDs go on cyclically a a e e e Trouble on position detecting circuit alternately e e a e e Trouble on current detecting circuit 3 Usually LEDs Red go off a e a a e Outdoor heat exchanger temp sensor TE fault e a a Suction temp sensor TS fault a a e Discharge temp sensor TD fault leb a a a e e Trouble on outdoor fan motor Ee e e e a Outdoor temp sensor TO fault a e a e e Trouble on
4. 128 RAS 3M26GAV E TO Sensor TE Sensor TS Sensor TD Sensor 704 706 TGa Sensor TGb Sensor TGc Sensor 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 Location No Description Description 43162042 Base PC board ABS 43150320 Sensor TG 04 43160565 Terminal Block 3P 4316V192 Plate 43160566 Terminal Block 6P 4306S690 PC board Ass y MCC 818 AC 250V 20A 3M26GAV E 43050424 Sensor TD 04 4316V278 P C board Ass y IPDU 43050425 Sensor TO TE TS 6 MCC 1438 43150259 Rectifier 30A 800V KE This product is compliant with Directive 2002 95 EC and cannot be disposed as unsorted municipal waste TOSHIBA CARRIER CORPORATION 2 CHOME 12 32 KONAN MINATOKU TOKYO 108 0075 JAPAN Copyright 1999 to 2005 TOSHIBA CARRIER CORPORATION ALL Rights Reserved
5. VV THERMO SENSOR TA Wei we ki V E Ee P lt ko el NA Pp A 1S Kr ZS LAN ZI V D SC O AY cf e DC5V Oo e DC12V YoY N E jO E Q w SC EES KEE ND ED AS MAIN P C BOARD LINDYIO we lt gt AN A e 7 AlddNS HAMOd IS Micro SW VI Mei M GI lee dS a LOUVER MOTOR L yun JOOPUI sjapow duind eat 3 dAMO9LE SVH A dAHDELE SVH A dAHO9OLE SVH WVYSVIC ONIYIM S sjapow Aug Huljood 3 dADMDYILIN SVH A dADMDELIN SVH S dAOMDOLW SVY 5 2 Outdoor Unit RAS 4M27GAV E RAS 4M27GACV E RAS 3M26GAV E IGBT PMV TD TO TE TS 1 2 Thermostat for compressor lp Outdoor Temp sensor 4 way valve coil aiid NOTE Insulated Gate Bipolar Transistor Pulse Motor Valve Discharge Temp sensor TGa to TGd Temp sensor at A to D unit gas side BLK BLACK WHI WHITE BLU BLUE BRW BROWN RED RED ORN ORANGE GRY GRAY YEL YELLOW PNK PINK PUR PURPLE GREEN Color Identification
6. DC High power factor correction circuit M C U PWM synthesis function Input current release control IGBT over current detect control High power factor correction control Signal communication to MCU Output current release control A D converter function Over current sensor Inverter DC AC Over current detect circuit Gate drive circuit Output current sensor P M V Pulse motor valve PWM Pulse width modulation 2 Heat pump model only 47 IGBT Insulated gate bipolar transistor Sean MCC 818 SUB P C B Clock frequency d zi oscillator circuit ee 16MHz D 1 np mel 220 240V 50Hz 220V 60Hz 9 OPERATION DESCRIPTION 9 1 Outline of Air Conditioner Control This air conditioner is a capacity 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 90 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 rec
7. 940 to 2820 11 36 4 75 to 13 08 8 0 4 1 to 9 0 2500 940 to 2860 11 60 4 75 to 13 27 8 0 4 1 to 9 0 2500 940 to 2860 11 60 4 75 to 13 27 8 0 4 2 to 9 1 2500 950 to 2880 11 60 4 80 to 13 36 8 0 4 2 to 9 1 2500 950 to 2880 11 60 4 80 to 13 36 8 0 4 2 to 9 2 2500 950 to 2900 11 60 4 80 to 13 45 8 0 4 2 to 9 2 2500 950 to 2900 11 60 4 80 to 13 45 e The above specification values are those under the conditions that the indoor DB WB 27 19 C and the outdoor DB WB 35 C 8 0 4 2 to 9 2 2500 950 to 2900 11 60 4 80 to 13 45 Outdoor Unit RAS 4M27GAV E lt Cooling 230V gt Indoor unit Unit capacity kW Cooling Power Operating Outdoor capacity consumption current noise kW W A dB Operating status A 2 7 750 3 71 1 4 to 3 2 640 to 950 3 52 to 4 44 3 7 1200 5 49 1 4 to 4 4 640 to 1520 3 52 to 6 88 4 5 1650 7 47 1 4 to 5 0 640 to 2000 3 52 to 8 87 5 4 1530 6 79 2 5 to 6 3 640 to 2040 3 48 to 9 05 5 9 1810 8 03 2 710 6 6 660 to 2220 3 59 to 9 85 6 3 2040 9 05 2 9 to 6 9 670 to 2400 3 64 to 10 65 2 units 6 3 2040 9 05 2 9 to 6 9 670 to 2400 3 64 to 10 65 6 8 2320 10 29 3 0 to 7 2 690 to 2570 3 75 to 11 40 7 2 2550 11 31 3 2 to 7 5 700 to 2750 3 80 to 12 20 7 6 2400 10 65 3 8 to 8 2
8. 950 to 2720 4 59 to 12 07 7 7 2410 10 69 3 9 to 8 3 960 to 2740 4 64 to 12 16 7 7 2410 10 69 4 0 to 8 5 960 to 2790 4 64 to 12 38 7 7 2410 10 69 4 0 to 8 5 960 to 2790 4 64 to 12 38 7 8 2430 10 78 4 1 to 8 6 970 to 2810 4 69 to 12 47 7 8 2430 10 78 4 1 to 8 6 970 to 2810 4 69 to 12 47 7 9 2440 10 83 4 1 to 8 7 970 to 2830 4 69 to 12 56 7 9 2440 10 83 4 1 to 8 7 970 to 2830 4 69 to 12 56 7 9 2440 10 83 4 210 8 9 970 to 2880 4 69 to 12 78 8 0 2450 10 87 4 3 to 9 0 980 to 2900 4 73 to 12 87 7 9 2450 10 87 4 0 to 8 7 930 to 2800 4 49 to 12 42 7 9 2450 10 87 4 1 to 8 8 940 to 2820 4 54 to 12 51 8 0 2500 11 09 4 1 to 9 0 940 to 2860 4 54 to 12 69 8 0 2500 11 09 4 1 to 9 0 940 to 2860 4 54 to 12 69 8 0 2500 11 09 4 2 to 9 1 950 to 2880 4 59 to 12 78 8 0 2500 11 09 4 2 to 9 1 950 to 2880 4 59 to 12 78 8 0 2500 11 09 4 2 to 9 2 950 to 2900 4 59 to 12 87 8 0 2500 11 09 4 2 to 9 2 950 to 2900 4 59 to 12 87 8 0 2500 11 09 4 2 to 9 2 950 to 2900 4 59 to 12 87 e The above specification values are those under the conditions that the indoor DB WB 27 19 C and the outdoor DB WB 35 C Outdoor Unit RAS 4M27GAV E lt Cooling 240V gt Indoor unit Unit capacity kW Cooling Power Operating Outdoor capacity consumption current nois
9. 950 to 2880 4 80 to 13 36 8 0 2500 11 60 4 2 to 9 2 950 to 2900 4 80 to 13 45 8 0 2500 11 60 4 2 to 9 2 950 to 2900 4 80 to 13 45 8 0 2500 11 60 4 2 to 9 2 950 to 2900 4 80 to 13 45 e The above specification values are those under the conditions that the indoor DB WB 27 19 C and the outdoor DB WB 35 C 14 Outdoor Unit RAS 4M27GACV E lt Cooling 230V gt Indoor unit Unit capacity kW Cooling Power Operating Outdoor capacity consumption current noise kW W A dB Operating status A 2 7 750 3 71 1 4 to 3 2 640 to 950 3 52 to 4 44 3 7 1200 5 49 1 4 to 4 4 640 to 1520 3 52 to 6 88 4 5 1650 7 47 1 4 to 5 0 640 to 2000 3 52 to 8 87 5 4 1530 6 79 2 5 to 6 3 640 to 2040 3 48 to 9 05 5 9 1810 8 03 2 710 6 6 660 to 2220 3 59 to 9 85 6 3 2040 9 05 2 9 to 6 9 670 to 2400 3 64 to 10 65 2 units 6 3 2040 9 05 2 9 to 6 9 670 to 2400 3 64 to 10 65 6 8 2320 10 29 3 0 to 7 2 690 to 2570 3 75 to 11 40 7 2 2550 11 31 3 2 to 7 5 700 to 2750 3 80 to 12 20 7 6 2400 10 65 3 8 to 8 2 950 to 2720 4 59 to 12 07 7 7 2410 10 69 3 9 to 8 3 960 to 2740 4 64 to 12 16 7 7 2410 10 69 4 0 to 8 5 960 to 2790 4 64 to 12 38 7 7 2410 10 69 4 0 to 8 5 960 to 2790 4 64 to 12 38 7 8 2430 10 78 4 1 to 8 6 970 to 2810 4 69 to 12 47 7 8
10. Ges CH N C Temp measurement Propeller fan Refrigerant amount 2 4kg R410A _ m c iIo Io ee a o ee nn nn nn nn ee ee a e zl Outdoor unit NOTE BB Gas leak check position Refrigerant flow Cooling Refrigerant flow Heating NOTE e The maximum pipe length of this air conditioner is 70 m The additional charging of refrigerant is unnecesary because this conditioner is designed with charge less specification e Connection of only one indoor unit is unavailable Two or more indoor units should be connected A7 RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E RAS 4M27 GACV E Temp measurement To To To Droom Croom Broom D g Per 1 unit Ne et Ze A Max 25m amp Min 2m Connecting pipe a de de og Thickness 0 8mm TI Connecting pipe i o Total 12 7 Thickness 0 8mm lt 85 g Max 70m RAS M16GKCVP E Ir 96 35 aa 8 9 52 RAS M10GKCVP E Nn OON RAS M13GKCVP E i ii i i X KA X Sectional shape m X X of heat insulator e ES EE ee Strainer Gi 69 Pulse motor TGa valve at liquid side UKV 18D Pressure 3 ved measurement lt 7 Packed valve Gas side s7 Packed valve Liquid side Gauge attaching port T 212 7 o gt 99 52 Vacuum pump Accumulating 25 x 160L tank 1500cc g GE OA2F 20L J j De Ges C To Propeller fan U Lj U Lj U connecting port t U Lj U i
11. Therefore color of the connector may be different in replacement work 126 13 3 P C Board Layout RAS 4M27GAV E 707 Po TO Sensor TE Sensor TS Sensor TD Sensor 704 706 TGa Sensor TGb Sensor TGc Sensor TGd Sensor 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 Location No Description Description 43162042 Base PC board ABS 43150320 Sensor TG 04 43160565 Terminal Block 3P 4316V192 Plate 43160566 Terminal Block 6P 4306S689 P C board Ass y MCC 818 AC 250V 20A 4M27GAV E 43050424 Sensor TD 04 4316V278 PC board Ass y IPDU 43050425 Sensor TO TE TS 6 MCC 1438 43150259 Rectifier 30A 800V 127 RAS 4M27GACV E oe A 710 705 TO Sensor AG TD Sensor 704 705 TGa Sensor TGb Sensor TGc Sensor TGd Sensor 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 Location No Description Description 43162042 Base PC board ABS 4316V192 Plate 43160565 Terminal Block 3P 4306S689 P C board Ass y MCC 818 43160566 Terminal Block 6P 4M27GACV E AC 250V 20A 4316V278 PC board Ass y IPDU 43050424 Sensor TD 04 MCC 1438 43050425 Sensor TO TG 6 43150259 Rectifier 30A 800V
12. gt Cooling memory COOL DRY operation Set temp 3 5 position NO Room temp gt Set temp 3 5 Cooling memory Inclined YES position blowing 2 Louver position in heating operation ECO operation AUTO HEAT Room temp Ta lt Set temp Tsc 3 Room temp Ta gt Set temp Tsc 3 or 25 minutes after start of operation A A Kap Initial setting of Heating storage position Heating storage position Cooling storage position Louver Directs downward 76 Louver Directs downward 76 Louver Directs downward 9 Room temp gt NO Horizontal Heating operation Set temp 3 0 position YES Heating memory Heating memory position position NO Room temp gt Set temp 3 0 2 Air direction adjustment e The louver position can be arbitrarily set up by pressing FIX button Horizontal Inclined Downward Inclined Horizontal blowing blowing blowing blowing blowing SANTANA NSA Ta e Swing operation is performed in width 35 with the stop position as e Swing the center When pressing If the stop position exceeds either upper or lower limit position SWING button during swing operation is performed in width 35 from the limit which the operation the louver stop position exceeded starts swinging 59 10 ECO operation Operation flow and applicable data etc Whe
13. 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 regarding 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 e 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
14. Unit operates normally Is fuse F01 of indoor control board blown Parts R04 R05 DB01 C01 Is voltage DC12V or 5V indicated on rear of NO on remote controller flash normally and is its signal transmitted properly C03 IC01 and T01 are defective Check Item Considerable principle cause Measures Item by symptoms transmission mark NO Remote controller is defective YES Refer to 5 Troubleshooting for remote controller Does fan motor connector between CN10 short circuit YES indoor control board normal Is DC310 340V Replace main K P C board Microcomputer is defective Parts of a power supply circuit supplied between k defective CN10 0 0 Replace fan Be sure to disconnect the motor connector CN10 after shut damage of the motor motor off the power supply or it will be a cause of 2 Power is not turned on though Indoor P C board is replaced lt Confirmation procedure gt Turn on power supply Does OPERATION indicator flash NO YES Is wired correctly to white and black lead wires of terminal block To item of Power supply is not turned on D 3 Only the indoor motor fan does not operate lt Primary check gt 1 Is it po
15. 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 heat exchanger unit Outdoor unit Refrigerant cylinder with siphon Open close valve for charging jii Electronic balance for refrigerant charging Service port Fig 3 4 1 Configuration of refrigerant charging o 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 refrigera
16. rpm m h rpm m h 53 kem Operation flow and applicable data etc Description 2 Indoor fan lt in heating operation gt Heat pump model 1 When setting the fan speed to L motor control L M M or H on the remote controller the operation is per formed with the constant speed shown in Fig 3 and Table 1 2 When setting the fan speed to AUTO on the remote controller revolution of the fan motor is controlled to the fan speed level shown in Fig 5 according to the set Indication Fan speed temperature and room temperature L wa 3 Min air flow rate is controlled by e temperature of the indoor heat L a L M 2 exchanger Tc as shown in Fig 4 M ag WA 4 Cold draft prevention the fan M ad M H 2 speed is controlled by temperature H aal WE of the indoor heat exchanger Tc as shown in Fig 6 TC 3 42 C Min air flow rate control NO Limited to Min WD tap No limit Fan speed TC 42 a 10 x WD W8 W8 a In up operation 1 in down operation 0 Cold draft preventive control Basic fan control Line approximate H and SUL with Tc Stop Fan speed MANUAL in starting Fan speed AUTO in stability Fan speed AUTO in starting le Fan speed M L x 1 4 L No limitation while fan speed MANUAL mode is in stability SE A When Tsc gt 24 Ais 24 and when Tsc lt 24 Ais Tsc 3 Fan speed M L x3 4 4 L Tsc
17. with reducer with expander with expander E 16 10 13 10 13 10 13 16 16 16 PRS with reducer with expander with expander with expander side panel 16 10 13 10 13 10 13 Fig 10 4 8 82 10 4 7 Evacuating After the piping has been connected to all indoor unit s you can perform the air purge together at once AIR PURGE Evacuate the air in the connecting pipes and in the indoor unit using vacuum pump Do not use the refrigerant in the outdoor unit For details see the manual of vacuum pump Use a vacuum pump Be sure to use a vacuum pump with counter flow prevention function so that inside oil of the pump does not flow backward into pipes of the air conditioner when the pump stops If inside oil of the vacuum pump enters into the air conditioner which adopts R410A a trouble of the refrigeration cycle may be caused 1 Connect the charge hose from the manifold valve to the service port of the gas side packed valve 2 Connect the charge hose to the port of vacuum pump 3 Open fully the low pressure side handle of the gauge manifold valve 4 Operate the vacuum pump to start for evacuating Perform evacuating for about 35 minutes if the piping length is total 70 meters 25 minutes for total 50 meters assuming a pump capacity of 27 liters per minute Then confirm that the compound pressure gauge reading is 101 kPa 76 cmHg 5 Close the low pressure side valve handle of
18. 09 52 eine Sh D unit liquid side Gas side 6 35 SEN Maximum length per unit m 25 Maximum length total m 70 Maximum chargeless length m 70 Maximum height difference m 15 Name of refrigerant R410A Weight kg 2 2 Wiring connection Power supply 3 Wires includes earth Interconnection 4 Wires includes earth Usable temperature range Indoor C SE Outdoor C 10 to 43 Unit model RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Installation plate Wireless remote controller Batteries Remote controller holder Indoor unit Zeolite plus filter Plasma pure filter Accessory n n kl sch sch ND Remote controller holder mounting screw 2 03 1 x 16L 2 03 1 x 16L 2 93 1 x 16L Owner s manual Mounting screw 6 G4 x 25L 6 O4 x 25L 6 4 x 25L Installation manual 1 1 1 Unit model RAS 4M27GACV E Outdoor unit Installation manual P Specifications 1 e For performance when each indoor unit is combined with other unit refer to the separate table e The specifications may be subject to change without notice for purpose of improvement ig ee 2 2 Specifications of Performance When Each Indoor Unit is Combined with Other Unit Outdoor Unit RAS 4M27GAV E lt Cooling 220V gt Unit capacity kW Operating Indoor unit V status A Cooling capacity kW 2 7 1 4 to 3 2 Power co
19. 1 5 0 5 to 1 0 Same as left 1 0 to 1 5 0 5 to 1 0 Imperial Wing nut type Outer dia of copper pipe 1 5 to 2 0 1 0 to 1 5 1 5 to 2 0 1 0 to 1 5 2 0 to 2 5 1 5 to 2 0 e Flaring size A Unit mm Fig 10 4 4 Outer dia of copper pipe In the case of flaring for R410A with the conven tional flare tool pull out it approx 0 5 mm more than that for R22 to adjust to the specified flare size The copper pipe gauge is useful for adjusting projection margin size 10 4 6 Installation NOTE For installation at least 3 dimensions should be kept free from obstacles walls goon D D SN a WE As shown in the figure hang power cord and connecting cable downward and take out it along piping connection port Fig 10 4 5 Fixing bolt arrangement of outdoor unit 600 Suction side A Ka Diffuser Fig 10 4 6 Secure the outdoor unit with the fixing bolts and nuts if the unit is likely to be exposed to a strong wind Use 8 mm or 10 mm anchor bolts and nuts 81 1 Piping connections to the outdoor unit should be arranged in the sequence A B C D starting from Tightening connection the bottom Align the centers of the connecting pipes and tighten For each piping connection the gas pipe is on the the flare nut as far as possible with your fingers Then bottom and the liquid pipe is on th
20. 11 8 5 Checking Method for Each Part Part name Checking procedure Electrolytic capacitor Turn OFF the power supply breaker For raising pressure Discharge all three capacitors completely smoothing 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 When performing test soldered once again under another surface o polarity the pointer should return Heat sink IGBT side C12 C13 C14 C15 500uF 400V IGBT module 1 Turn OFF the power supply switch 2 Discharge all four electrolytic capacitors completely 3 Execute continuity test with a tester BU o J 5 BzByBxWewW savU BuG Bwod Bzo EN EN UI vw Uv 1 w Tester rod 2t v lw WI UT v Case that product is good 1MQ or more 100kQ to 300kQ 200kQ to 300kQ 105 11 9 How to Simply Judge Whether Outdoor Fan Motor is Good or Bad 1 Symptom e Outdoor fan motor does not rotate e Outdoor fan motor stops within several tens seconds though it started rotating e 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 dr
21. 2430 10 78 4 1 to 8 6 970 to 2810 4 69 to 12 47 7 9 2440 10 83 4 1 to 8 7 970 to 2830 4 69 to 12 56 7 9 2440 10 83 4 1 to 8 7 970 to 2830 4 69 to 12 56 7 9 2440 10 83 4 210 8 9 970 to 2880 4 69 to 12 78 8 0 2450 10 87 4 3 to 9 0 980 to 2900 4 73 to 12 87 7 9 2450 10 87 4 0 to 8 7 930 to 2800 4 49 to 12 42 7 9 2450 10 87 4 1 to 8 8 940 to 2820 4 54 to 12 51 8 0 2500 11 09 4 1 to 9 0 940 to 2860 4 54 to 12 69 8 0 2500 11 09 4 1 to 9 0 940 to 2860 4 54 to 12 69 8 0 2500 11 09 4 2 to 9 1 950 to 2880 4 59 to 12 78 8 0 2500 11 09 4 2 to 9 1 950 to 2880 4 59 to 12 78 8 0 2500 11 09 4 2 to 9 2 950 to 2900 4 59 to 12 87 8 0 2500 11 09 4 2 to 9 2 950 to 2900 4 59 to 12 87 8 0 2500 11 09 4 2 to 9 2 950 to 2900 4 59 to 12 87 e The above specification values are those under the conditions that the indoor DB WB 27 19 C and the outdoor DB WB 35 C 15 Outdoor Unit RAS 4M27GACV E lt Cooling 240V gt Indoor unit Unit capacity kW Cooling Power Operating Outdoor capacity consumption current noise kW W A dB Operating status A 2 7 750 3 55 1 4 to 3 2 640 to 950 3 38 to 4 26 3 7 1200 5 26 1 4 to 4 4 640 to 1520 3 38 to 6 60 4 5 1650 7 16 1 4 to 5 0 640 to 2000 3 38 to 8 50 5 4 1530 6 51 2 5 to 6 3 640 to 2040 3 33 to
22. 2500 10 63 4 2 to 9 2 950 to 2900 4 40 to 12 33 e The above specification values are those under the conditions that the indoor DB WB 27 19 C and the outdoor DB WB 35 C 246 Outdoor Unit RAS 3M26GAV E lt Cooling 220V gt Operatin Indoor unit Unit capacity kW Cooling Power Operating Outdoor Et i g r r l capacity consumption current noise status A kW W A dB 2 7 750 3 87 1 4 to 3 2 640 to 950 3 68 to 4 64 3 7 1200 5 74 1 4 to 4 4 640 to 1520 3 68 to 7 20 4 5 1650 7 81 1 4 to 5 0 640 to 2000 3 68 to 9 28 5 4 7 10 f 1530 eunis 2 5 to 6 3 640 to 2040 3 64 to 9 46 5 9 1810 8 40 2 7 t0 6 6 660 to 2220 3 75 to 10 30 6 3 2040 9 46 2 9 to 6 9 670 to 2400 3 81 to 11 13 6 3 2040 9 46 2 9 to 6 9 670 to 2400 3 81 to 11 13 6 8 2320 10 76 3 0 to 7 2 690 to 2570 3 92 to 11 92 7 2 2550 11 83 3 2 to 7 5 700 to 2750 3 98 to 12 76 7 4 2230 10 34 3 8 to 8 2 950 to 2720 4 80 to 12 62 7 4 2230 10 34 3 9 to 8 3 950 to 2750 4 80 to 12 76 7 4 2230 10 34 4 0 to 8 5 950 to 2820 4 80 to 13 08 7 4 2230 10 34 4 0t0 8 5 950 to 2820 4 80 to 13 08 7 5 2250 10 44 4 0 to 8 6 980 to 2850 4 95 to 13 22 7 5 2250 10 44 4 0 to 8 6 980 to 2850 4 95 to 13 22 7 5 2250 10 44 4 1 to 8 8 980 to 2920 4 95 to 13 54 7 5 2250 10 44 4 1 to 8 8 980 to 2920 4 95
23. 4 After operation turn off the power breaker after 2 minutes 20 seconds passed and discharge the electro lytic capacitor by soldering iron Check voltage between motor phases e Is not winding between D or O opened or short circuited e Is not frame grounded with O or 100 Summary If fuse was blown be sure to check the electrolytic capacitor and diode block e Connect discharge resistance approx 100Q 40W or soldering iron plug between terminals of the electro lytic capacitor 760UF of C14 with printed CAU TION HIGH VOLTAGE on P C board Discharging position Discharging period 10 seconds or more Plug of soldering Le iron OK if 760uF gt 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 25 to 55Q Should be 10MQ or more Diagnosis Process flowchart winding of compressor Check Replace fan motor com position pressor detect signal Check compressor winding resistance Contents Check winding resistance between phases of compres sor and resistance between outdoor frames by using a tester e Is not grounded e Is not short circuited between windings e Winding is not opened Remove connector CN300 of the outdoor fan motor turn on the power breaker and perform the operation Stops
24. 4 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 Monitoring Fan 5 If the status of compressor OFF continues for 15 minutes the room temperature after selecting an operation mode COOL HEAT reselect an Heating operation Heat pump model operation mode Fan only operation Cooling only model Cooling operation 1 When reselecting the operation mode the fan speed is controlled by the previous operation mode DRY operation 1 Detects the room temperature Ta when DRY operation is performed according to the difference the DRY operation started between room temperature and the setup temperature as 2 Starts operation under conditions in the shown below left figure according to the temperature In DRY operation fan speed is controlled in order to difference between the room tempera prevent lowering of the room temperature and to avoid ai ture and the setup temperature Tsc flow from blowing directly to persons Setup temperature Tsc Set temperature on remote controller Ts 0 0 to 1 0 3 When the room temperature is lower 1 C or less than the setup temperature turn off the compressor w W5 W3 2 Fan speed 52 Operation flow and applicable data etc Description 2 Indoor fan lt In cooling ope
25. 48 16 18 10 10 268 243 1 95 195 poten 0 480 to 2850 2 61 40 12 64 13 13 i13 113 10 237 237 2837 189 een 0 480 to 2850 2 61 40 12 64 48 16 i 13 13 10 254 231 2311185 eau 0 490 to 2850 2 66 10 12 64 48 13 1 138 i13 13 225 225 225 225 oii 0 490 to 2850 2 66 to 12 64 SS 16 16 10 10 261 261 189 189 esu 0 600 to 2850 2 72 to 12 64 48 e The above specification values are those under the conditions that the indoor DB WB 20 C and the outdoor D I WB 7 6 C nn KE Outdoor Unit RAS 4M27GAV E lt Heating 240V gt Indoor unit Unit capacity kW Heating Power Operating Outdoor capacity consumption current noise kW W A dB Operating status A 4 0 1450 6 16 0 8to5 2 300 to 1980 1 71 to 8 42 5 0 2050 8 72 0 8 to 6 5 310 to 2750 1 77 to 11 69 5 5 2400 10 20 0 8 to 6 9 310 to 3000 1 77 to 12 76 7 2 2100 8 93 1 5 to 10 0 320 to 3200 1 78 to 13 61 7 6 2320 9 86 1 5 to 10 1 320 to 3210 1 78 to 13 65 7 9 2480 10 54 1 5 to 10 1 320 to 3230 1 78 to 13 73 7 9 2480 10 54 1 5 to 10 1 320 to 3230 1 78 to 13 73 8 3 2700 11 48 1 5 to 10 2 320 to 3240 1 78 to 13 78 2 units 8 6 2860 12 16 1 5to 10 2 320 to 3250 1 78 to 13 82 8 6 2300 9 78 2 0 to 10 4 380 to 2750 1 98 to 11 69 8 7 2350 9 99 2 0 to 10 5 380 to 2760 1 98 to 11 73 8 7 2350 9 99 2 0 to 10 5 380 to
26. 5 74 1 4 to 4 4 640 to 1520 3 68 to 7 20 4 5 1650 7 81 1 4 to 5 0 640 to 2000 3 68 to 9 28 5 4 1530 7 10 2 5t0 6 3 640 to 2040 3 64 to 9 46 5 9 1810 8 40 2 710 6 6 660 to 2220 3 75 to 10 30 6 3 2040 9 46 2 9 to 6 9 670 to 2400 3 81 to 11 13 6 3 2040 9 46 2 9 to 6 9 670 to 2400 3 81 to 11 13 6 8 2320 10 76 3 0 to 7 2 690 to 2570 3 92 to 11 92 2 units 7 2 11 83 2550 3 210 7 5 700 to 2750 3 98 to 12 76 7 6 2400 11 13 3 8 to 8 2 950 to 2720 4 80 to 12 62 7 7 2410 11 18 3 9 to 8 3 960 to 2740 4 85 to 12 71 7 7 2410 11 18 4 0 to 8 5 960 to 2790 4 85 to 12 94 7 7 2410 11 18 4 0 to 8 5 960 to 2790 4 85 to 12 94 7 8 2430 11 27 4 1 to 8 6 970 to 2810 4 90 to 13 03 7 8 2430 11 27 4 1 to 8 6 970 to 2810 4 90 to 13 03 7 9 2440 11 32 4 1 to 8 7 970 to 2830 4 90 to 13 13 7 9 2440 11 32 4 1 to 8 7 970 to 2830 4 90 to 13 13 7 9 2440 11 32 4 210 8 9 970 to 2880 4 90 to 13 36 8 0 2450 11 36 4 3 to 9 0 980 to 2900 4 95 to 13 45 7 9 2450 11 36 4 00 8 7 930 to 2800 4 70 to 12 99 7 9 2450 11 36 4 1 to 8 8 940 to 2820 4 75 to 13 08 8 0 2500 11 60 4 1 to 9 0 940 to 2860 4 75 to 13 27 8 0 2500 11 60 4 1 to 9 0 940 to 2860 4 75 to 13 27 8 0 2500 11 60 4 2 to 9 1 950 to 2880 4 80 to 13 36 8 0 2500 11 60 4 2 to 9 1
27. C board can be checked e If there is no space in the upper part of the upper cabinet perform work from 6 to 7 of and remove the partition fixing plate ST1T 4 x 10L 1 pc Be careful to check the inverter because high voltage circuit is incorporated in it 3 Perform discharging by connecting the dis charging resistance approx 100Q 40W or plug of soldering iron to terminals of the C15 printed CAUTION HIGH VOLTAGE is attached electrolytic capacitor 760uF on PC board Be careful to discharge the capacitor be cause 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 polarity with screwdriver etc for discharging 4 Remove screw 04 x 10L 2 pcs fixing the valve clamping plate the inverter box and fixing the back panel the inverter box 5 Remove various lead wires from the holder at upper part of the inverter box and cut 2 tie lap ties binding each lead wires 6 Pull the inverter box upward 7 Disconnect connectors of various lead wires Soldered surface Inverter cover PG board hy SEN LEES TES ARs hy LY LSS lt A SS Ce pS SE Se NS LSS NEE N
28. D C o x CO x lt Gg u D Cc o e Ke g O This function removes frost adhered to the outdoor heat exchanger The temperature sensor of the outdoor heat ex changer Te sensor judges the frosting status of the outdoor heat exchanger and the defrost operation is performed with 4 way valve reverse defrost system heating operation Operation time Se Minute 27 40 The minimum value of Te sensor 10 to 15 minutes after start of operation is stored in memory as Te0 Table 1 When Ten 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 58 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 or C zone each Table 1 lt Defrost operation gt e Defrost operation in A to C zones 1 Stop operation of the compressor for 20 seconds 2 Invert OFF 4 way valve 10 seconds after stop of the compressor 3 The outdoor fan stops at the same time when the compressor stops 4 When temperature of the indoor heat exchanger becomes 38 C or lower stop the indoor fan lt Finish of defrost operation gt e Returning conditions from defrost operation to heating operation 1 Te
29. Indoor unit A Outdoor unit Indoor unit B Inverter Compressor Indoor unit C Indoor unit D e ere Combination Se Operation ded Combination Ee Perating of indoor units mode operating of indoor units evolu unit rps unit rps Operation mode 20 to 28 15 to 52 20 to 43 15 to 63 20 to 53 15 to 67 2 units 20 to 66 2 units 15 to 90 3 units 31 to 69 3 units 17 to 90 4 units 31 to 69 4 units 22 to 90 In case that any multiple indoor units are combined 5 Current release This function prevents troubles on the electronic parts of the 1 The input current of the outdoor control compressor driving inverter unit is detected in the inverter This function also controls drive circuit of the compressor section of the outdoor unit speed so that electric power of the compressor drive circuit 2 According to the detected does not exceed the specified value outdoor temperature the specified value of the current is selected Outdoor unit inverter main Outdoor temp To ere circuit control current 3 Whether the current value exceeds the specified value or Setup of current release point not is judged 4 If the current value exceeds the specified value this function Operating current lt reduces the compressor speed Setup value Reduce compressor speed and controls speed up to the Low closest one commanded from the NEE See which does not exce
30. Operation Motions Press RESET button for more than The unit is on standby three seconds Less than 10 seconds L The unit starts to operate The green indicator is on After approx three seconds The unit beeps three times and continues to operate FILTER TIMER OPERATION If the unit is not required to operate at this time press RESET button once more or use the remote controller to turn it off T Ay e When the system is operating Press RESET button for more than The unit is in operation three seconds Less than 10 seconds l The green indicator is on The unit stops operating The green indicator is turned off de After approx three seconds The unit beeps three times RESET FILTER TIMER OPERATION SS If the unit is required to operate at this time press 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 of power failure during timer operation the timer operation is can celled 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 9 4 FILTER Indicator When the elapsed time reaches 1000 hours after air purifier operation the FILT
31. Set value Calculated with linear approximation from M and L Fig 5 In starting and in stability In stability e Until 12 minutes passed after operation start When 12 to 25 minutes passed after operation start FAN AUTO je When 12 to 25 minutes passed after operation and room temp is higher than set temp 3 C start and room temp is 3 C or lower than set temp When 25 minutes or more passed after operation start FAN Manual Room temp lt Set temp 4 C e Room temp Set temp 3 5 C 254 Operation flow and applicable data etc 3 Outdoor fan motor control The blowing air volume at the outdoor unit side is controlled 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 OFF status of 2 Fan speed 400 8 fan motor continues when the motor stopped NO Fan motor ON 3 Fan lock NO YES Air conditioner Alarm OFF display 4 Motor operates as shown in the table below Cooling operation dry operation Compressor revolution rps 20 3 TO 38 C Description 1 The operation command sent from the remote controller is processed by the i
32. U i U Temp measurement i d a Muffler Outdoor unit NOTE mp Gas leak check position Refrigerant flow NOTE e The maximum pipe length of this air conditioner is 70 m The additional charging of refrigerant is unnecesary because this conditioner is designed with charge less specification 38 RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E RAS 3M26GAV E Temp measurement To To Croom Broom To To Indoor unit A Croom Broom EE 5 Per 1 unit onnecting pipe EE Del Max Gan Thickness 0 8mm gt n ET Bun 2 12 7 1 H yt e P 1 IYI 26 i ys Connecting pipe 1 SC Total RAS B16GKVP E i H P Thickness 0 8mm i hb z 5 9 Nas 50m nit 06 35 m 25 9 52 i di e DE IS RAS B10GKVP E 9 i iyi PARISI a X KI Sectional shape S of heat insulator on 69 32 OIE a oe oe ah SO I NA A 7 Lo t if Pulse motor i TGa 7 valve at liquid side UKV 18D i d i Pressure measurement lt 7 Packed valve Gas side lt 7 Packed valve Gauge attaching port T 912 7 ZS Liquid side Vacuum pump 09 52 connecting port l t i i U A i AN AT Muffler 25 x 160L i Accumulating tank 1500cc EH Compressor i i DA220A2F 20L Y U JJ i TE d Ehe E i 4 Anes 1 Temp measurement oa i te rops erian Refrigerant amount 2 4kg R410
33. Upper ICF 140 63 2R 43005635 Cabinet Air Outlet 43058276 Reactor CH 47 Z T 43005489 Guard Fin 43048066 Accumulator Ass y 43191651 Guard Fan 4301V021 Hanger 43122065 Bell Mouth Plastic 43119390 Hanger 43042490 Base Ass y 43046445 Valve 4 way STF 0213Z 43041785 Compressor 43046443 Coil 4 way VHV DA220A2F 20L 43043748 Condenser Ass y 43046442 Valve Packed 9 52 4M27GACV E 37546846 Valve Packed 12 7 43043747 Condenser Ass y 43047684 Socket 6 35 MEIC Eee 43047683 Socket 9 52 EEN 43047682 Socket 12 7 43158192 Reactor CH 43 Z T 43147196 Bonnet 1 4 IN 43047674 Cap Charge Port 3 8 IN 43047401 Bonnet 3 8 IN 43047675 Cap Charge Port 1 2 IN 43047195 Bonnet 1 2 IN 43047680 Cap Valve Packed 3 8 IN 43047685 Nut Flare 1 4 IN 43047681 Cap Valve Packed 1 2 IN 43047686 Nut Flare 3 8 IN 43019822 Holder Sensor 04 TGa Heat Pump Model EICH 43063321 Holder Sensor O4 43046449 Valve PM V UKV 18D TGb TGc TGd 43046448 Coil RM V UKV U061E Heat Pump Model TD 43063332 Holder Sensor TO 43063320 Holder Sensor 6 43050407 Thermostat Bimetal TGb TGc TGd 43063317 Holder Thermostat Cooling Only Model 43049739 Cushion Rubber 43019904 Holder Sensor 6 TE Heat Pump Model TS 43097212 Nut oo OO ON OAR WN No 24 Coil P M V For standardization of the servicing parts one type only is provided
34. V SS S Tie lap ties 2 pcs Fixing plate Partition 116 No Part name Control board assembly Procedure 1 Disconnect lead wires and connectors connected from the control board assembly to other parts 1 Lead wires e Connection with terminal block 7 wires Red Orange Pink Yellow Black and two White wires e Connection with compressor Remove the fastons 3 places at compressor side e Connection with reactor Remove the connector from P08 09 2P White and P12 P13 2P Gray e Connection with 4 way valve Remove the connector 3P e Connection with case thermo Remove the connector 2P 2 Connectors e Sub control board assembly side CN300 Outdoor fan 3P White CN301 Outdoor fan position detection 5P White CN601 TO sensor 2P White CN602 TD sensor 3P White CN603 TS sensor 2P Black CN604 TE sensor 2P White CN605 TGa sensor 3P Yellow CN606 TGb sensor 3P White CN607 TGc sensor 3P Green CN608 TGd sensor 2P Blue CN701 A room pulse motor valve 6P Yellow CN702 B room pulse motor valve 6P White CN703 C room pulse motor valve 6P Red CN704 D room pulse motor valve 6P Blue 2 Disconnect cable connecting the main control board assembly side and sub control board assembly e Main control board assembly side CN04 Connecting cable 3P White CNO5 Connecting cable 2P
35. gauge manifold 6 Open fully the valve stem of the packed valves both sides of Gas and Liquid 7 Remove the charging hose from the service port 8 Securely tighten the caps on the packed valves Compound pressure gauge Pressure gauge 101kPa 76cmHg O Handle Lo Manifold valve Handle Hi Keep full closed Charge hose For R410A only Charge hose For R410A only Vacuum pump adapter for counter flow prevention GE OA only Packed valve at liquid side Service port Valve core Setting pin Packed valve at gas side Fig 10 4 12 Packed valve handling precautions e Open the valve stem all the way out do not try to open it beyond the stopper e Securely tighten the valve stem cap in torque is as follows Gas side 012 7 mm 50 to 62 Nem 5 0 to 6 2 kgfem Gas side 9 52 mm 33 to 42 Nem 3 3 to 4 2 kgfem Liquid side 06 35 mm 14 to 18 Nem 1 4 to 1 8 kgfem Service port 14 to 18 Nem 1 4 to 1 8 kgfem Hexagonal wrench is required Fig 10 4 13 10 4 8 Electrical Work For the air conditioner that has no power cord connect a power cord to it as mentioned below 3 Units Multi 4 Units Multi 3M26GAV E 4M27GAV E 4M27GACV E 220 240 V 50 Power supply 240V 60 Maximum running current TSA Installation fuse rating SZ H07 RN F or 245 IEC 66 Power cord 2 5 mm or more Wiring c
36. height only a gas leakage but also difference between 2 units 8 trouble in the refrigeration cycle 15 m or less z LO ia 10 4 FI E oude unit side Fig 10 4 7 Half union d Flare nut 4 Connect 2 or more indoor units for heat pump Externally Internally 5 If the outdoor units is to be mounted on a wall threaded side threaded side make sure that the platform supporting it is suffi ciently strong The platform should be designed Use a wrench to secure Use a torque wrench to tighten and manufactured to maintain its strength over a long period of time and sufficient consideration Fig 10 4 10 should be given to ensuring that the outdoor unit TEE EE will not fall on e35 4M2 ony 6 When the outdoor unit is to be mounted high on a got wall take particular care to ensure that parts do A f not fall installer is protected 7 When doing installation work on level ground it is usual to wiring and piping connections to the Outdoor indoor units And then make to the outdoor unit unit However 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 length on the inside rather than the outside How to remove the side panel 1 Remove 3 screws of the side panel Fig 10 4 11 Indoor unit Connectable capacity class 2 Pull the side 10 13 5 5 panel downward
37. 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 THE 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 The installation fuse 25A D type must be used for the power supply line of this air conditioner DANGER e ASK AN AUTHORIZED DEALER OR QUALIFIED INSTALLATION PROFESSIONAL TO IN STALL MAINTAIN THE AIR CONDITIONER INAPPROPRIATE SERVICING MAY RESULT IN WATER LEAKAGE ELECTRIC SHOCK OR FIRE e 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 Z 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 PC board by hand e CORRECTLY CONNECT THE CONNECTING CABLE IF THE CONNECTING CABLE IS INCOR RECTLY CONNECTED ELECTRIC PARTS MAY BE DAMAGED e 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 CA
38. in such places e A place full of machine oil e A place full of sulfide gas e A place where high frequency waves are likely to be generated as from audio equipment welders and medical equip ment e A saline place such as a coast 10 4 4 Optional Installation Parts Local Supply Parts name Refrigerant piping Liquid side 6 35 mm Gas side 9 52 mm or 012 7 mm Each one Pipe insulating material polyethylene foam 6 mm thick 80 Putty PVC tapes Each one 10 4 5 Refrigerant Piping Connection CAUTION KEEP IMPORTANT 4 POINTS FOR PIPING WORK Keep dust and moisture from entering the pipes Tight connection between pipes and unit Evacuate the air in the connecting pipes using VACUUM PUMP Check gas leak connected points 1 Cut the pipe with a pipe cutter So Foe ders iquity Roug Warp EREN Fig 10 4 2 Zi 2 Insert a flare nut into the pipe and flare the pipe As the flaring sizes of R410A differ from those of refrigerant R22 the flare tools newly manufac tured for R410A are recommended However the conventional tools can be used by adjusting projection margin of the copper pipe e Projection margin in flaring B B Unit mm EE Fig 10 4 3 Rigid Clutch type R410A tool used Conventional tool used Outer dia of copper pipe R410A R22 R410A R22 Same as left 1 0 to 1 5 0 5 to 1 0 Same as left 1 0 to
39. name Procedures Remarks Front panel 1 Stop operation of the air conditioner and turn off its main power supply 2 Open the air inlet grille push the arm toward the outside and remove the grille 3 Remove the left and right air filters and e remove the electric dust collector LE BIREN Pan TTT a See d E let a pri De 107 Part name Front panel Procedures Remarks 4 Press part under the front panel and remove hooks of the front panel from the installation plate Installation plate Front panel Press 5 Remove the front panel fixing screws 2 pcs 6 Press the electric parts box with the right thumb while pulling the both sides of the front panel toward you lt How to assemble the front panel gt wg Electric dust Electric dust Collector Collector de 1 Press three center positions and two lower center positions of the air outlet and then hang the hanging hooks 4 pcs at the top side of the front panel to the rear plate 2 Insert the electric dust collector and left and right air filters Press in the electric dust collector until the protrusions on both sides are completely inserted into the holders If installation is incomplete the FILTER indicator orange may light 3 Tighten two screws e Incomplete hanging or incomplete pressing may cause a dewdrops or generation of a fluttering sound 1
40. nonnen eenaneenensnneneennseerennnensenaneneenanneneennn 67 9 3 2 How to Cancel the Auto Restart Function nano eennneneensennnenennseenneennnnennnensnerenn 68 9 3 3 Power Failure During Timer Operation nnen annsnenennsensannennennannnensnnaenennnsensnnnnenenannnnennnn 68 FILTER Te EE 68 9 4 1 How to Turn Off FILTER Indicator nnnnnananennenannenrennenrennnensenanneennnnnanrennsensnnnnennnnnnneenenn 68 Remote Controller and Its FuctionS nnnnnnnnnrennnnnnnnnnnennennnnnnnnnnnnnensennnnnnnnnnnnen 69 9 5 1 Parts Name of Remote Controller annen ae nanneer ennen snnneensnnannnensnnaerennsensenaneenenannenrennn 69 9 5 2 Name and Functions of Indications on Remote Controller naaar eneen eenaneennn 70 Hi POWER Mode Hi POWER button on the remote controller is pressed neen 71 Intermittent Operation Control for Indoor Fans of the Indoor Unit at Thermo off Side in Heating Operation s eeeceeeeeeseeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 71 SAGs Operation flow and applicable data etc 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 A signal is sent by ON button of the remote controller 3 The signal is received by a sensor of the indoor unit and processed by the indoor controllers as shown
41. of CN23 DC 15 60V ICO3 and IC04 are defective Shorten the restart delay timer and start unit Check whether or not all indicators OPERATION TIMER FILTER PURE are lit for 3 seconds and they return to normal 3 seconds later The indicators are defective or the housing assembly CN13 is defective Press START STOP button once to start the unit e Shorten the restart delay timer e Set the operation mode to COOL e Set the fan speed level to AUTO e Set the preset temperature much lower than the room temperature The unit com pressor operates continuously in the above condition 1 Check whether or not the com pressor operates 2 Check whether or not the OP ERATION indicator flashes The temperature of the indoor heat exchanger is extremely low The connection of the heat ex changer sensor is loose The connector is disconnected CNO1 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 e Set the operation mode to HEAT e Set the preset temperature much higher than room tem perature Check whether or not the com pressor operates Check whether or not the OP ERATION indicator flashes The temperature of the indoor heat exchanger is extremely high The connection of the heat ex changer s
42. 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 pres sure 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 24 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 3 2 2 Table 3 2 2 Minimum thicknesses of socket joints Reference outer diameter of Minimum joint thickness Nominal diameter copper pipe jointed mm mm 3 2 2 Processing of Piping Materials When performing the ref
43. settings LOW 5 LOW gt MED gt MED gt HIGH _ aman A receiving beep is heard 6 Auto louver button SWING Press this button to swing the louver A receiving beep is heard Press this button again to stop the louver from swinging A receiving beep is heard 7 Set louver button FIX Press this button again to adjust the air flow direction A receiving beep is heard 8 ON timer button ON Use this button to change the clock and ON timer times To move up the time press of the ON Bi button To move down the time press w of the ON Bi button 9 OFF timer button OFF Use this button to change the OFF timer times To move up the time press A of the OFF E button To move down the time press w of the OFF Bi button 10 Reserve button SET Press this button to store the time settings A receiving beep is heard 11 cancel button CLR Press this button to cancel the ON timer and OFF timer A receiving beep is heard 12 High power button Hi POWER Press this button to start high power operation 13 Memory button MEMO Press this button to ready for storing the settings Hold down the button for more than 3 seconds to store the setting indicated on the remote controller and until the mark is displayed 14 Automatic operation button AUTO Press this button to operate the air conditioner automatically A receiving beep is heard 15 Economy button EC
44. tel EEN KSE ata den elven 52 2 Indoor fan motor Control 53 elle Le ite gel Ee 53 lt s heaing operations ssel nternet deden TEREN EN EA AEA EE tartte toestaat 54 3 Outdoor fan motor control enen eenneerenanneerennervenneerenennenvennnereneneerenennnenenneervnnnnenn 55 Dee Ee In e EE 56 5 Current release control nennen eneneneneneenennnersnnnserenenneevennnersnnnderenenneevennnenvnnnneneenn 56 6 Release protective control by temperature of indoor heat exchanger nnn 57 7 Winding Coil heating contra 58 8 Defrost control Only in heating operation nnnnnnennnnnennnenrnenneere nennen rennerveneene nennen enn 58 9 Bee ein te EE 59 17 Louver POSITION eege eenden dende ae etl anette Leed EEN vende 59 2A direcion adjustment TEE 59 3 SWING Adee inet veoh Sole eld aie ae kc Tare Adee ae etd hak et he Tae 59 107 ECO OPS atom EE 60 11 Temporary operation nanne a E a a a a 61 125 Air purifying GONtrON geess Ae 61 Air purifying control Detection of abnormality AA 62 13 Discharge temperature Control 62 14 Pulse motor valve P M V control eneen venneneenenenennnennensenennnennen vee vennnenens 63 15 er E Tee e EE 64 16 Gleanoperati n rSleas EE 65 17 Select switch on remote controller nonnen neneerenenneerennnerrennnerre vennen renvnerennneere nanne 66 AUTO Restart reese eege berg ege enee ZeeChe be eegen 67 9 3 1 How to Set the Auto Restart Function nanne
45. the OPERATION indicator flashes at 5 Hz intervals This completes the clean operation release setting Setting the clean operation Cut J04 of the indoor P C board This step may be skipped if the auto restart function is not required Hold down the auto operation switch 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 KH STel OL i i CN22 CN05 JC CNO1 CNO8 C21 _1C11 C24 C20 S65 remote controller Press the operation button on the remote controller Select B as the setting for one of the two indoor units and for the remote controller See below for details Both indoor units start operation tem Operation flow and applicable data etc Description 17 Select switch on Purpose This operation is to operate only one indoor unit using one remote controller Description When operating one indoor unit in a situation where two indoor units have been installed in the same room or nearby rooms this operation prevents the remote controller signal from being received simultaneously by both units thus preventing both units from operating Operation Unnecessary set Remote controller select The indoor unit on which the remote controller selection has been set to B rec
46. the main body position the fan motor insert it and then secure the motor band right using the two fixing screws Secure using Lp the fixing screw Screw J Secure using P x the fixing screw Fan motor leads Remarks Cross flow fan 1 Follow to the procedure in the item 2 Remove the heat exchanger fixing holder by removing the two fixing screws used to secure it 3 Loosen the set screw of the cross flow fan 4 Lift the left side of the heat exchanger and pull out the cross flow fan ies Part name Cross flow fan Procedures lt Caution at reassembling gt 1 At assembling work of the bearing base check that the drain pipe is surely incorpo rated in the back body Otherwise water leak is caused 2 To incorporate the fan motor remove the fan motor rubber at shaft core side incorporate the motor into the position in the following figure and then install the fan motor e Install the cross flow fan so that the right end of the 1st joint from the right of the cross flow fan is set keeping 70 5 mm from wall of rear plate of the main unit e Holding the set screw install the cross flow fan so that U groove of the fan motor comes to the mounting hole of the set screw e Perform positioning of the fan motor as follows e When assembling the fan motor the fan motor must be installed in such a way that the fan motor leads will be taken out is positioned at the b
47. the switching when the battery is replaced or the RESET button is pressed Seiting the selector switch on the main unit e Remove the front panel and then set the selector switch to B e After making the switch setting remount the front panel Position of remote controller selector switch Selector switch 6 lt 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 three 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 How to Set 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 Press the RESET button located in the center of the front panel continuously for three seconds The unit receives the signal and beeps three times The unit then restarts operating automatically in the event of power supply being accidentally shut down e When the unit is standby Not operating Operation Motions Press RESET button for more than The unit is on standby three seconds Less than 10 seconds l The unit starts to operate The green indicator is on d After approx three seconds
48. to 10 7 380 to 2790 2 07 to 12 38 8 9 2490 11 05 2 0 to 10 7 380 to 2790 2 07 to 12 38 9 0 2550 11 31 2 0 to 10 8 380 to 2800 2 07 to 12 42 e The above specification values are those under the conditions that the indoor DB WB 20 C and the outdoor D I WB 7 6 C zo Outdoor Unit RAS 3M26GAV E lt Heating 240V gt Operatin Indoor unit Unit capacity kW Heating Power Operating Outdoor SC g r r l capacity consumption current noise sae A W A dB 4 0 1500 6 38 0 8to5 2 300 to 1980 1 71 to 8 42 5 0 2050 8 72 0 8 to 6 5 310 to 2750 1 77 to 11 69 5 5 2400 10 20 0 8 to 6 9 310 to 3000 1 77 to 12 76 7 2 2050 8 72 1 5 to 10 0 320 to 3200 1 78 to 13 61 2 units 7 6 2240 9 52 1 5 to 10 1 320 to 3210 1 78 to 13 65 7 9 2380 10 12 1 5 to 10 1 320 to 3230 1 78 to 13 73 7 9 2380 10 12 1 5 to 10 1 320 to 3230 1 78 to 13 73 8 3 2560 10 88 1 5 to 10 2 320 to 3240 1 78 to 13 78 8 6 2700 11 48 Gre 1 5to 10 2 320 to 3250 1 78 to 13 82 8 6 2300 9 78 2 0 to 10 4 380 to 2750 1 98 to 11 69 8 7 E 2360 10 03 2 0 to 10 5 380 to 2760 1 98 to 11 73 8 8 2430 10 33 2 0 to 10 6 380 to 2780 1 98 to 11 82 8 8 2430 10 33 2 0 to 10 6 380 to 2780 1 98 to 11 82 8 8 2430 10 33 2 0 to 10 6 380 to 2780 1 98 to 11 82 8 8 2430 10 33 2 0 to 10 6 380 to 27
49. to 12 16 8 0 2500 10 63 4 2 to 9 1 950 to 2880 4 40 to 12 24 8 0 2500 10 63 4 2 to 9 1 950 to 2880 4 40 to 12 24 8 0 2500 10 63 4 2 to 9 2 950 to 2900 4 40 to 12 33 8 0 2500 10 63 4 2 to 9 2 950 to 2900 4 40 to 12 33 8 0 2500 10 63 4 2 to 9 2 950 to 2900 4 40 to 12 33 e The above specification values are those under the conditions that the indoor DB WB 27 19 C and the outdoor DB WB 35 C 40 Outdoor Unit RAS 4M27GAV E lt Heating 220V gt Indoor unit Unit capacity kW Heating Power Operating Outdoor capacity consumption current noise kW W A dB Operating status A 4 0 1450 6 73 0 8 to 5 2 300 to 1980 1 87 to 9 18 5 0 2050 9 51 0 8 to 6 5 310 to 2750 1 93 to 12 76 5 5 2400 11 13 0 8 to 6 9 310 to 3000 1 93 to 13 91 7 2 2100 9 74 1 5 to 10 0 320 to 3200 1 94 to 14 84 7 6 2320 10 76 1 5 to 10 1 320 to 3210 1 94 to 14 89 7 9 2480 11 50 1 5 to 10 1 320 to 3230 1 94 to 14 98 2 units 7 9 2480 11 50 1 5 to 10 1 320 to 3230 1 94 to 14 98 8 3 2700 12 52 1 5 to 10 2 320 to 3240 1 94 to 15 03 8 6 2860 13 27 1 5 to 10 2 320 to 3250 1 94 to 15 07 8 6 2300 10 67 2 0 to 10 4 380 to 2750 2 16 to 12 76 8 7 2350 10 90 2 0 to 10 5 380 to 2760 2 16 to 12 80 8 7 2350 10 90 2 0 to 10 5 380 to 2760 2 16 to 12 80 8 7 2350 10 90 2 0 to 10 5 3
50. to 14 51 to 53 0 9 to 1 1 12 to 14 51 to 53 0 9 to 1 12 to 14 51 to 53 0 9 to 1 12 to 14 51 to 53 1 Measure surface temperature of heat exchanger pipe around center of heat exchanger path U bent Thermistor themometer 2 Connecting piping condition 5 meters x 4 units 5m each indoor unit 42 Outdoor Unit RAS 3M26GAV E lt Cooling gt Temperature condition Indoor Outdoor NOTES No of operating units Operating combination Unit Standard A pressure P MPa 0 8 to 1 0 Heat exchanger pipe temp 45 to 47 Outdoor fan Compressor revolution rps 0 7 to 0 9 46 to 48 0 6 to 0 8 0 8 to 1 0 10 to 12 47 to 49 47 to 49 0 8 to 1 0 10 to 12 48 to 50 0 8 to 1 0 10 to 12 49 to 51 0 8 to 1 0 10 to 12 50 to 51 0 7 to 0 9 9 to 11 51 to 53 0 7 to 0 9 0 8 to 1 0 9 to 11 11 to 13 52 to 54 51 to 53 0 8 to 1 0 11 to 13 51 to 53 0 8 to 1 0 11 to 13 51 to 53 0 8 to 1 0 11 to 13 51 to 53 0 8 to 1 0 11 to 13 51 to 53 0 8 to 1 0 11 to 13 51 to 53 0 8 to 1 0 11 to 13 51 to 53 0 8 to 1 0 11 to 13 51 to 53 0 8 to 1 0 12 to 14 51 to 53 1 Measure surface temperature of heat exchanger pipe around center of heat exchanger path U bent Thermistor themometer 2 Co
51. 08 Part name High voltage generator Procedures 1 Follow to the procedure in the item 2 Remove the drain guide 3 To remove the air ionizer from the back body pull it toward you while pressing down on its left and right claws Disconnect the two leads black connected to the air ionizer from where they are fitted into the other components Caution do not remove the Faston 4 Disconnect the connectors of the high voltage generator and disconnect the four leads from where they are fitted into the other compo nents 5 Remove the fixing screw which secures the high voltage generator and remove the high voltage generator from the evaporator Press the claw here lt How to assemble the high voltage generator gt 1 Insert the high voltage generator straight into the evaporator and secure it using the fixing screw 2 Pass the leads of the high voltage generator through the area designated and insert them into its connectors 3 Attach the air ionizer to the back body and pass the two leads black through the area designated on the electric parts box assembly 4 Attach the drain guide 109 Ca Remarks Air ionizer gt Part name Electric parts box assembly Procedures 1 Follow the procedure up to 4 in above 2 Remove screw of earth lead attached to the end plate of the evaporator 3 Remove the lead wire cover and remove connector 5
52. 12 to 14 12 to 14 51 to 53 51 to 53 0 9 to 1 1 12 to 14 51 to 53 0 9 to 1 1 12 to 14 51 to 53 0 9 to 1 1 12 to 14 51 to 53 0 9 to 1 1 12 to 14 51 to 53 0 9 to 1 1 12 to 14 51 to 53 0 9 to 1 12 to 14 51 to 53 0 9 to 1 12 to 14 51 to 53 1 Measure surface temperature of heat exchanger pipe around center of heat exchanger path U bent Thermistor themometer 2 Connecting piping condition 5 meters x 4 units 5m each indoor unit S402 Outdoor Unit RAS 4M27GAV E lt Heating gt Temperature condition No of oe a Standard operating pressure units A Heat exchanger pipe temp Outdoor Compressor revolution P MPa fan rps Indoor Outdoor 2 7t02 9 44 to 46 3 2 to 3 4 52 to 54 3 6 to 3 9 53 to 55 2 units 2 7 to 2 9 45 to 47 2 8 to 3 0 45 to 47 29to3 1 46 to 48 2 9t03 1 46 to 48 3 0 to 3 2 47 to 49 3 1 to 3 3 48 to 50 3 units 2 3 to 2 5 38 to 40 2 3 to 2 5 38 to 40 2 3 to 2 5 38 to 40 2 3 to 2 5 38 to 40 2 3 to 2 5 38 to 40 2 3 to 2 5 38 to 40 2 3 to 2 5 38 to 40 2 510 2 7 37 to 39 2 510 2 7 37 to 39 2 510 2 7 37 to 39 2 0 to 2 2 33 to 35 2 0 to 2 2 33to 35 2 0 to 2 2 33to 35 2 0 to 2 2 33to 35 2 0 to 2 2 33to 35 2 0 to 2 2 33to 35 2 0 to 2 2 33to 3
53. 13 EXPLODED VIEWS AND PARTS LIST 13 1 Indoor Unit 1 238 247 R g 214 235 J 216 225 226 x Cu 236 Se 203 201 221 222 224 Ee LTS 205 202 Na AT The parts in the following parts list are conformed to RoHS Therefore be sure to use the following parts for repairing and replacing 204 Location No Location No Description Description 43005633 Panel Ass y Front 43005610 Grille Air Inlet 4301V052 Plate Fix 43080512 Filter Air Right 43080521 Filter Air Left 43009675 Louver Horizontal 43009682 Louver Vertical 4302C067 Motor Fan 4302C063 Motor Louver 4306A024 Cord Motor Louver 43039363 Band Motor Left 43039321 Base Bearing 43020346 Fan Cross Flow 43039314 Band Motor 43020253 Bearing 4301V028 Holder Pipe 43049701 Pipe Shield 1 43049698 Pipe Shield 2 43047671 Pipe Outlet 2 43047672 Pipe Outlet 1 1 B16GKVP E M16GKCVP E 43049674 Spring Suction 1 2 B1OGKVP E B13GKVP E M10GKCVP E M13GKCVP E 43047673 Pipe Inlet 43044803 Evaporator 2 43044804 Evaporator 1 43039324 Guide Drain 43049728 Guide Drain Left 43019904 Holder Sensor 43049770 Holde
54. 2 D803 check code Description During normal operation IGBT short circuit compressor motor rare short Position detect circuit error Current detect circuit error Compressor system error Discharge temp sensor TD error Outdoor fan error Outside temp sensor TO error Compressor lock Discharge temp sensor error gas leakage Compressor break down Suction temp sensor TS error Evaporator temp sensor TE error A room gas side temp sensor TGa error B room gas side temp sensor TGb error C room gas side temp sensor TGc error D room gas side temp sensor TGd error Gas leakage P M V sensor error O O O0 O O 0 O0 0 e e O 0 e e e 0 0 0 O0 O0 0 0 AAA O JOIO OJOI j e ee ee ee ee ee ee ee e O e O e O e O e O e O O O O e e O O O e Ojoljoli ei e e e O OOo Indoor heat exchanger sensor TC disconnection P M V sensor error Indoor outdoor miswiring gas leakage TC sensor disconnection PM V sensor error Communication error between MCU 1 Back up operation is performed without block display of the indoor unit 2 Operated normally when the air conditioners in other rooms are driven 3 4 units Multi model only 4 Heat pump model only O 11 6 Troubleshooting 11 6 1 How to Check Whether the Air Purifier is Good o
55. 2 16 to 12 94 8 9 2490 11 55 2 0 to 10 7 380 to 2790 2 16 to 12 94 9 0 2550 11 83 2 0 to 10 8 380 to 2800 2 16 to 12 99 e The above specification values are those under the conditions that the indoor DB WB 20 C and the outdoor D I WB 7 6 C D E Outdoor Unit RAS 3M26GAV E lt Heating 230V gt Operatin Indoor unit Unit capacity kW Heating Power Operating Outdoor Gr g r r r r capacity consumption current noise A kW W A dB 4 0 1500 6 65 0 8 to 5 2 300 to 1980 1 79 to 8 78 5 0 2050 9 09 0 8 to 6 5 310 to 2750 1 85 to 12 20 5 5 2400 10 65 0 8 to 6 9 310 to 3000 1 85 to 13 31 7 2 2050 9 09 2 units 1 5 to 10 0 320 to 3200 1 86 to 14 20 7 6 2240 9 94 1 5 to 10 1 320 to 3210 1 86 to 14 24 7 9 2380 10 56 1 5 to 10 1 320 to 3230 1 86 to 14 33 7 9 2380 10 56 1 5 to 10 1 320 to 3230 1 86 to 14 33 8 3 2560 11 36 1 5 to 10 2 320 to 3240 1 86 to 14 37 8 6 2700 11 98 1 5 to 10 2 320 to 3250 1 86 to 14 42 8 6 2300 10 20 2 0 to 10 4 380 to 2750 2 07 to 12 20 8 7 2360 10 47 2 0 to 10 5 380 to 2760 2 07 to 12 24 8 8 2430 10 78 2 0 to 10 6 380 to 2780 2 07 to 12 33 8 8 2430 10 78 2 0 to 10 6 380 to 2780 2 07 to 12 33 8 8 2430 10 78 2 0 to 10 6 380 to 2780 2 07 to 12 33 8 8 2430 10 78 2 0 to 10 6 380 to 2780 2 07 to 12 33 8 9 2490 11 05 2 0
56. 2760 1 98 to 11 73 8 7 2350 9 99 2 0 to 10 5 380 to 2760 1 98 to 11 73 8 8 2400 10 20 2 0 to 10 6 380 to 2780 1 98 to 11 82 8 8 2400 10 20 2 0 to 10 6 380 to 2780 1 98 to 11 82 8 9 2450 10 42 2 0 to 10 7 380 to 2790 1 98 to 11 86 8 9 2450 10 42 2 0 to 10 7 380 to 2790 1 98 to 11 86 8 9 2450 10 42 2 0 to 10 7 380 to 2790 1 98 to 11 86 9 0 2500 10 63 2 0 to 10 8 380 to 2800 1 98 to 11 90 8 9 2100 8 93 2 2 to 10 8 450 to 2810 2 34 to 11 95 8 9 2100 8 93 2 2 to 10 9 460 to 2830 2 40 to 12 03 9 0 2250 9 57 2 2 to 10 9 460 to 2830 2 40 to 12 03 9 0 2250 9 57 2 2 to 10 9 470 to 2830 2 45 to 12 03 9 0 2250 9 57 2 2 to 11 0 480 to 2850 2 50 to 12 12 9 0 2250 9 57 2 2 to 11 0 480 to 2850 2 50 to 12 12 9 0 2250 9 57 2 2 to 11 0 490 to 2850 2 55 to 12 12 9 0 2250 9 57 2 2 to 11 0 490 to 2850 2 55 to 12 12 9 0 2250 9 57 2 2to 11 0 500 to 2850 2 60 to 12 12 e The above specification values are those under the conditions that the indoor DB WB 20 C and the outdoor D I WB 7 6 C E Ee Outdoor Unit RAS 4M27GACV E lt Cooling 220V gt Indoor unit Unit capacity kW Cooling Power Operating Outdoor capacity consumption current noise kW W A dB Operating status A 2 7 750 3 87 1 4 to 3 2 640 to 950 3 68 to 4 64 3 7 1200
57. 2920 4 73 to 12 95 7 5 2250 9 98 4 2t0 8 9 980 to 2950 4 73 to 13 09 e The above specification values are those under the conditions that the indoor DB WB 27 19 C and the outdoor DB WB 35 C 18 Outdoor Unit RAS 3M26GAV E lt Cooling 240V gt Operatin Indoor unit Unit capacity kW Cooling Power Operating Outdoor SR Me g r r l capacity consumption current noise TOMS A kw w A dB 2 7 750 3 55 1 4 to 3 2 640 to 950 338 to 4 26 3 7 1200 5 26 1 4 to 4 4 640 to 1520 3 38 to 6 60 4 5 1650 7 16 1 4 to 5 0 640 to 2000 3 38 to 8 50 5 4 1530 6 51 eunis 2 5 to 6 3 640 to 2040 3 33 to 8 67 5 9 1810 7 70 2 7 to 6 6 660 to 2220 3 44 to 9 44 6 3 2040 8 67 2 9 to 6 9 670 to 2400 3 49 to 10 20 6 3 2040 8 67 2 9 to 6 9 670 to 2400 3 49 to 10 20 6 8 2320 9 86 3 0 to 7 2 690 to 2570 3 59 to 10 93 7 2 2550 10 84 Sg 3 2 to 7 5 700 to 2750 3 65 to 11 69 7 4 2230 9 48 3 8 to 8 2 950 to 2720 4 40 to 11 56 7 4 2230 9 48 3 9 to 8 3 950 to 2750 4 40 to 11 69 7 4 2230 9 48 4 0 to 8 5 950 to 2820 4 40 to 11 99 7 4 2230 9 48 4 0 to 8 5 950 to 2820 4 40 to 11 99 7 5 2250 9 57 4 0 to 8 6 980 to 2850 4 54 to 12 12 7 5 2250 9 57 4 0 to 8 6 980 to 2850 4 54 to 12 12 7 5 2250 9 57 4 1 to 8 8 980 to 2920 4 54 to 12 41 7 5 2250 9 57 4 1 t
58. 410A 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 R410A air water heat pump installation Conventional air water heat pump installation Used tool Whether conven tional equipment can be used Existence of new equipment for R410A 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 Connection of flare nut Yes x For 012 7 Gauge manifold Evacuating refrigerant charge run check etc Yes Charge hose Vacuum pump adapter Vacuum evacuating Yes Electronic balance for refrigerant charging Refrigerant charge Yes Refrigerant cylinder Refrigerant charge Yes Yes Note 2 Leakage detector Gas leakage check Charging cylinder Refrigerant charge 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
59. 5 2 0 to 2 2 33to 35 NOTES 1 Measure surface temperature of heat exchanger pipe around center of heat exchanger path U bent Thermistor themometer 2 Connecting piping condition 5 meters x 4 units 5m each indoor unit 41 Outdoor Unit RAS 4M27GACV E lt Cooling gt Temperature condition Indoor Outdoor NOTES No of operating units 2 units 3 units Operating combination Unit Standard pressure A P MPa 0 8 to 1 0 Heat exchanger pipe temp 45 to 47 Outdoor fan Compressor revolution rps 0 7 to 0 9 46 to 48 0 6 to 0 8 0 8 to 1 0 10 to 12 47 to 49 47 to 49 0 8 to 1 0 10 to 12 48 to 50 0 8 to 1 0 10 to 12 49 to 51 0 8 to 1 0 10 to 12 50 to 51 0 7 to 0 9 9 to 11 51 to 53 0 7 to 0 9 0 8 to 1 0 9 to 11 11 to 13 52 to 54 51 to 53 0 8 to 1 0 11 to 13 51 to 53 0 8 to 1 0 11 to 13 51 to 53 0 8 to 1 0 11 to 13 51 to 53 0 8 to 1 0 11 to 13 51 to 53 0 8 to 1 0 11 to 13 51 to 53 0 8 to 1 0 11 to 13 51 to 53 0 8 to 1 0 11 to 13 51 to 53 0 8 to 1 0 12 to 14 51 to 53 0 8 to 1 0 0 9 to 1 1 12 to 14 12 to 14 51 to 53 51 to 53 0 9 to 1 1 12 to 14 51 to 53 0 9 to 1 1 12 to 14 51 to 53 0 9 to 1 1 12 to 14 51 to 53 0 9 to 1 1 12
60. 5 to 12 20 5 5 2400 10 65 0 8 to 6 9 310 to 3000 1 85 to 13 31 7 2 2100 9 32 1 5 to 10 0 320 to 3200 1 86 to 14 20 7 6 2320 10 29 1 5 to 10 1 320 to 3210 1 86 to 14 24 7 9 2480 11 00 1 5 to 10 1 320 to 3230 1 86 to 14 33 7 9 2480 11 00 1 5 to 10 1 320 to 3230 1 86 to 14 33 8 3 2700 11 98 1 5 to 10 2 320 to 3240 1 86 to 14 37 8 6 2860 12 69 1 5 to 10 2 320 to 3250 1 86 to 14 42 8 6 2300 10 20 2 0 to 10 4 380 to 2750 2 07 to 12 20 8 7 2350 10 43 2 0to 10 5 380 to 2760 2 07 to 12 24 8 7 2350 10 43 2 0to 10 5 380 to 2760 2 07 to 12 24 8 7 2350 10 43 2 0to 10 5 380 to 2760 2 07 to 12 24 8 8 2400 10 65 2 0 to 10 6 380 to 2780 2 07 to 12 33 8 8 2400 10 65 2 0 to 10 6 380 to 2780 2 07 to 12 33 8 9 2450 10 87 2 0 to 10 7 380 to 2790 2 07 to 12 38 8 9 2450 10 87 2 0 to 10 7 380 to 2790 2 07 to 12 38 8 9 2450 10 87 2 0 to 10 7 380 to 2790 2 07 to 12 38 9 0 2500 11 09 2 0 to 10 8 380 to 2800 2 07 to 12 42 4units 10 10 10 10 223 223 2 23 223 55 E os er 0 e AE 47 48 13 10 10 10 262 209 209 209 p251 0 9 460 to 2830 2 50 0 12 56 43 16 10 10 10 283 2 06 206 206 esch 0 9 460 to 2830 2 50 to 12 56 48 13 13 10 10 250 i 250 200 200 esch 0 9 470 to 2830 2 55 to 12 56
61. 65 For anchor bolt y LOA N Ve Anchor bolt 4 012 x 17 hole Fan guard ZA 410 Og KZ SN Sea SS AX SS SS SS des 5 SE SE SLE Lp Le SS ESR EE LIEN EE AN AN o N Ge SES w 25 320 Liquid valve Gas valve h Service port V a icieeickie 90 P Connecting pipe port c unit Connecting pipe port Connecting pipe port B unit Connecting pipe port Connecting pipe port Ayni A connecting pipe port Air inlet Air inlet of the product Visible outline Air outlet 33 8 10 anchor bolt Mounting dimension of anchor bolt ve Color RED WHI BLK BLU BRW ORN PUR YEL GRY PNK GRN amp YEL YELLOW Identification RED WHITE BLACK BLUE BROWN ORANGE PURPUL YELLOW GRAY PINK GREEN amp BLK i p01 99 3 saund any eyoa y IH Ajddns samog lon electrode A6 EE EE 1 1 1 1 1 1 1 1 1 1 1 1 1 1 as Der AIN AN Heat exchanger WHI RED GRN amp YEL DM CN23 See in To outdoor unit CAA BLK HEAT EXCHANGER SENSOR TC BLK Ay BLK Aiquiessy Wun see Slof SZ ZS DV ZI MCC 899 CH Z z Ge A
62. 8 67 5 9 1810 7 70 2 7 to 6 6 660 to 2220 3 44 to 9 44 6 3 2040 8 67 2 9 to 6 9 670 to 2400 3 49 to 10 20 2 units 6 3 2040 8 67 2 9 to 6 9 670 to 2400 3 49 to 10 20 6 8 2320 9 86 3 0 to 7 2 690 to 2570 3 59 to 10 93 7 2 2550 10 84 3 2 to 7 5 700 to 2750 3 65 to 11 69 7 6 2400 10 20 3 8 to 8 2 950 to 2720 4 40 to 11 56 7 7 2410 10 25 3 9 to 8 3 960 to 2740 4 44 to 11 65 7 7 2410 10 25 4 0 to 8 5 960 to 2790 4 44 to 11 86 7 7 2410 10 25 4 0 to 8 5 960 to 2790 4 44 to 11 86 7 8 2430 10 33 4 1 to 8 6 970 to 2810 4 49 to 11 95 7 8 2430 10 33 4 1 to 8 6 970 to 2810 4 49 to 11 95 7 9 2440 10 37 4 1 to 8 7 970 to 2830 4 49 to 12 03 7 9 2440 10 37 4 1 to 8 7 970 to 2830 4 49 to 12 03 7 9 2440 10 37 4 2 to 8 9 970 to 2880 4 49 to 12 24 8 0 2450 10 42 4 3 to 9 0 980 to 2900 4 54 to 12 33 7 9 2450 10 42 4 0 to 8 7 930 to 2800 4 31 to 11 90 7 9 2450 10 42 4 1 to 8 8 940 to 2820 4 35 to 11 99 8 0 2500 10 63 4 1 to 9 0 940 to 2860 4 35 to 12 16 8 0 2500 10 63 4 1 to 9 0 940 to 2860 4 35 to 12 16 8 0 2500 10 63 4 2 to 9 1 950 to 2880 4 40 to 12 24 8 0 2500 10 63 4 2 to 9 1 950 to 2880 4 40 to 12 24 8 0 2500 10 63 4 2 to 9 2 950 to 2900 4 40 to 12 33 8 0 2500 10 63 4 2 to 9 2 950 to 2900 4 40 to 12 33 8 0
63. 80 1 98 to 11 82 8 9 2490 10 59 2 0 to 10 7 380 to 2790 1 98 to 11 86 8 9 2490 10 59 2 0 to 10 7 380 to 2790 1 98 to 11 86 9 0 2550 10 84 2 0 to 10 8 380 to 2800 1 98 to 11 90 e The above specification values are those under the conditions that the indoor DB WB 20 C and the outdoor D I WB 7 6 C 299 2 2 1 Operation Characteristic Curve lt Cooling gt lt Heating gt 14 e Conditions i e Conditions Indoor DB27 C WB19 C 4 i 12H Indoor DB20 C Outdoor DB35 C Outdoor DB7 C WB6 C Air flow High SEH KA eres Air flow High Pipe length 5m x 4 g 10 Pipe length 5m x 4 T 4 units operating T 4 units operatin i el 5 53 6 oO O A 2 H H H H H H H 0 H H H H H H H H H 0 10 20 30 40 50 60 70 80 0 10 20 30 40 50 60 70 80 90 100 Inverter output frequency rps Inverter output frequency rps 2 2 2 Capacity Variation Ratio According to Outdoor Temperature lt Cooling gt lt Heating gt 110 100 SE start l 110 Conditions 100 Indoor DB20 C Air flow High Pipe length bm zx A 90 4 units operating 80 70 Pe Conditions Joop pect 70 Indoor DB27 C WB19 C H H Indoor air flow High l Pipe length 5mx4 4 units operating Cooling capacity ratio Heating capacity ratio 60 ermee a A a rn i 32 33 34 35 36 37 38 39 40 41 42 43 44 10 9 8 7 6 5 4 3 22 1 0 0 12345678910 O
64. 80 to 2760 2 16 to 12 80 8 8 2400 11 13 2 0 to 10 6 380 to 2780 2 16 to 12 89 8 8 2400 11 13 2 0 to 10 6 380 to 2780 2 16 to 12 89 8 9 2450 11 36 2 0 to 10 7 380 to 2790 2 16 to 12 94 8 9 2450 11 36 2 0 to 10 7 380 to 2790 2 16 to 12 94 8 9 2450 11 36 2 0 to 10 7 380 to 2790 2 16 to 12 94 9 0 2500 11 60 2 0 to 10 8 380 to 2800 2 16 to 12 99 8 9 2100 9 74 2 2 to 10 8 450 to 2810 2 56 to 13 03 8 9 2100 9 74 2 2to 10 9 460 to 2830 2 61 to 13 13 9 0 2250 10 44 2 2to 10 9 460 to 2830 2 61 to 13 13 9 0 2250 10 44 2 2 to 10 9 470 to 2830 2 67 to 13 13 9 0 2250 10 44 2 2to 11 0 480 to 2850 2 73 to 13 22 9 0 2250 10 44 2 2to 11 0 480 to 2850 2 73 to 13 22 9 0 2250 10 44 2 2to 11 0 490 to 2850 2 78 to 13 22 9 0 2250 10 44 2 2to 11 0 490 to 2850 2 78 to 13 22 9 0 2250 10 44 2 2to 11 0 500 to 2850 2 84 to 13 22 e The above specification values are those under the conditions that the indoor DB WB 20 C and the outdoor D I WB 7 6 C t Outdoor Unit RAS 4M27GAV E lt Heating 230V gt Indoor unit Unit capacity kW Heating Power Operating Outdoor capacity consumption current noise A kW W A dB Operating status V 4 0 1450 6 43 0 8 to 5 2 300 to 1980 1 79 to 8 78 5 0 2050 9 09 0 8 to 6 5 310 to 2750 1 8
65. A A Outdoor unit NOTE Gas leak check position Refrigerant flow Cooling Refrigerant flow Heating NOTE e The maximum pipe length of this air conditioner is 50 m The additional charging of refrigerant is unnecesary because this conditioner is designed with charge less specification e Connection of only one indoor unit is unavailable Two or more indoor units should be connected 39 7 2 Operation Data Outdoor Unit RAS 4M27GAV E lt Cooling gt Temperature condition Indoor Outdoor NOTES No of operating units 2 units 3 units 4 units Operating combination Unit Standard pressure A P MPa 0 8 to 1 0 Heat exchanger pipe temp 45 to 47 Outdoor fan Compressor revolution rps 0 7 to 0 9 46 to 48 0 6 to 0 8 0 8 to 1 0 10 to 12 47 to 49 47 to 49 0 8 to 1 0 10 to 12 48 to 50 0 8 to 1 0 10 to 12 49 to 51 0 8 to 1 0 10 to 12 50 to 52 0 7 to 0 9 9 to 11 51 to 53 0 7 to 0 9 0 8 to 1 0 9 to 11 11 to 13 52 to 54 51 to 53 0 8 to 1 0 11 to 13 51 to 53 0 8 to 1 0 11 to 13 51 to 53 0 8 to 1 0 11 to 13 51 to 53 0 8 to 1 0 11 to 13 51 to 53 0 8 to 1 0 11 to 13 51 to 53 0 8 to 1 0 11 to 13 51 to 53 0 8 to 1 0 11 to 13 51 to 53 0 8 to 1 0 12 to 14 51 to 53 0 8 to 1 0 0 9 to 1 1
66. AC 250V 3 15A For protection of power source AC 250V 6 3A Electrolytic capacitor LLQ2G761KHUATF DC 400V 760uF Transistor module 6MBI40SS 060 51A 600V 40A Compressor DA220A2F 20L 3 phases 4 poles 2000W Compressor thermo US622KXTMQO OFF 125 4 C ON 90 5 C Diode block Rectifire S30VT80 AC 800V 30A Reactor Main CH 47 Z T L 8mH 16A Reactor Sub CH 43 Z T NOTE 1 4 unit multi model only 2 Heat pump model only GE L 10mH 1A 7 REFRIGERANT CYCLE DIAGRAM RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E RAS 4M27GAV E 9 52 7 RAS B10GKVP E Temp measurement To To To To To To Droom Croom Broom TEEN Droom Croom B room E D Eels Per 1 unit Ke B10 Max 25m Min 2m Connecting pipe V ke 8 8 S d olz Iota Thickness 0 8mm E Pipe i SEI Max 70m i i ickness 0 8mm lt Bez RAS B16GKVP E 7 j z om Sectional shape w of heat insulator W Lei eee oes Strainer l lt i i Pul t TGa K valve atau side i UKV 18D Pressure iquid si measurement lt 7 Packed valve Gas side lt 7 Packed valve Liquid side i i Gauge attaching port T 812 7 ZS 29 52 Vacuum pump i connecting port l t i O I Accumulating Muffler i tank 1500cc 925 X160 U gt Compressor i DA220A2F 20L Q i JI lt F lt H 5
67. Air conditioner Air purifier operate Filter OFF Air conditioner operates Air purifier OFF 61 All stop lem Operation flow and applicable data etc Description 12 Air purifying control Detection of abnormality Purpose The air purifying control function is to Purifying operation alert the user to trouble in the ionizing or air purifying operation Description gee o o a 9 Trouble is determined to have occurred Total operation indicated by the FILTER indicator in the time 1000H following four cases NO 1 When a count of 1000H has been Purifier power ON reached on the timer 2 When the panel switch has been set to N OFF by the opening of the air inlet Error input grile etc YES 3 When an abnormal discharge caused by a symptom such as the build up of Purifier power ON Filter lamp OFF dirt has been detected while the air 1 minute or less continues purifier is ON YES 4 When the electric dust collector has not been installed correctly Trouble case 2 or 3 is deemed to have occurred when the action Purifier power OFF Purifier power ON concerned continues for more than after 10 minutes one second from the error input Operation The sequence that FILTER indicator is Filter lamp ON Error input ne turned on are described in the left flowchart 1 When 1000H timer counts up the Purifier power OFF Purifier power OFF FILTER indicator keeps lighting even if th
68. CV E RAS M13GDV E RAS M13GDCV E A05 010 RAS M16GDV E RAS M16GDCV E RAS M10GKV E RAS M10GKCV E RAS M13GKV E RAS M13GKCV E RAS M16GKV E RAS M16GKCV E 2 1 Specifications lt Heat Pump Models gt RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E RAS 4M27GAV E RAS 3M26GAV E Unit model Indoor RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E Outdoor RAS 4M27GAV E RAS 3M26GAV E Cooling capacity kW 8 0 7 5 Cooling capacity range kW 1 4 9 2 1 4 8 9 Heating capacity kW 9 0 9 0 Heating capacity range kW 0 8 11 0 0 8 10 8 Power supply 220 240 V 1 Ph 50Hz 220 V 1 Ph 60Hz Unit model RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E indoor Running current A 0 15 0 15 0 15 Power consumption W 30 30 30 Power factor 91 87 83 91 87 83 91 87 83 Electric Unit model RAS 4M27GAV E RAS 3M26GAV E characteristics Operation mode Cooling Heating Cooling Heating Outdoor Running current A 11 60 11 09 10 63 10 44 9 98 9 57 10 44 9 98 9 57 11 83 11 31 10 84 Power consumption W 2500 2250 2250 2550 Power factor 98 98 98 98 Starting current A 11 60 11 09 10 63 11 83 11 31 10 84 COP Cooling Heating 3 20 4 00 3 33 3 53 Unit model RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E
69. Charge hose In order to increase pressure resisting strength hose materials and port size have been changed to 1 2 UNF 20 threads per inch When purchasing a charge hose be sure to confirm the port size Electronic balance for refrigerant charging 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 Torque wrench nominal diam 1 2 5 8 The size of opposite sides of flare nuts have been increased Incidentally a common wrench is used for nominal diameters 1 4 and 3 8 Flare tool clutch type By increasing the clamp bar s receiving hole strength of spring in the tool has been improved Gauge for projection adjustment Used when flare is made by using conventional flare tool Vacuum pump adapter 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 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 Exclusive for HFC refrigerant e 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 e Al
70. E 6 35 mm 12 7 mm Shield pipe for extension drain hose polyethylene foam 6 mm thick 10 2 2 Accessory and Installation Parts Part No Part name Q ty Part No Part name Q ty Part No Part name Q ty Cum Mounting screw 4 x 25L x 6 gt Remote control holder mounting screw 3 1 x 16L x 2 lt Others gt Owner s manual Indoor unit Battery x 2 Plasma pure filter x 1 Installation manual Indoor unit Installation manual Outdoor unit Specifications Outdoor unit This model is not equipped with an extension drain hose e 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 e In 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 R410A Applicable to R22 model Changes Gauge manifold La As pressure is high it is impossible to measure by means of conventional gauge In order to prevent any other refrigerant from being charged each port diameter has been changed
71. ER indicator lights After cleaning the filters turn off the FILTER indicator 9 4 1 How to Turn Off FILTER Indicator Press RESET button on the indoor unit NOTE If RESET button is pushed while the FILTER indica tor is not lit the indoor unit will start the automatic operation When you want a temporary operation while the FILTER lamp lights press RESET button to turn off the FILTER lamp See page 47 68 9 5 Remote Controller and Its Fuctions 9 5 1 Parts Name of Remote Controller 1 Infrared signal emitter Transmits signal to the indoor unit 2 button Press the button to start operation A receiving beep is heard Press the button again to stop operation A receiving beep is heard If no receiving sound is heard from the indoor unit press the button twice 3 Mode select button MODE Press this button to select a mode Each time you press the button the modes cycle in order from A Auto changeover control e Cool Dry Heat and back to A A receiving beep is heard A 4 Temperature button A The temperature setting is increased to 30 C w The temperature setting is reduced to 17 C A receiving beep is heard 5 Fan speed button FAN Press this button to select the fan speed When you select AUTO the fan speed is automati cally adjusted according to the room temperature You can also manually select the desired fan speed from five available
72. Fan Le Motor Control Temperature Processing Louver Motor Serial Signal Transmitter Receiver 3 Serial Signal Communication Operation Command and Information Remote Controller Operation START STOP Operation Mode Selection AUTO COOL DRY Thermo Setting Fan Speed Selection ON TIMER Setting OFF TIMER Setting Louver AUTO Swing Louver Direction Setting ECO Hi POWER Air Purifier SLEEP sdb a J Air purifier unit Infrared Rays 36 7kKHz 8 2 Outdoor Unit Inverter Assembly RAS 4M27GAV E RAS 4M27GACV E RAS 3M26GAV E I l Outdoor air temp Sensor Gas side pipe temp Sensor I A unit P M V B unit P M V M C U Inverter outdoor frequency control A D converter function P M V control Discharge temp control Driver circuit of P M V Error display Signal communication to MCU PWM synthesis function I Relay circuit Rotor position detect circuit C DC gt AC circu Signal communication 1 to MCU Over current detect circuit Over current sensor Discharge temp Sensor Aunt send receive circuit Bunt send receive circuit C unit send receive circuit D unit send receive circuit Noise filter Clock frequency Compressor NOTE 1 4 unit multi model only oscillator circuit 10MHz SZ Input current sensor E Converter AC
73. H200RBTB Output Rated 1W 16 poles DC12V AC 250V 20A 0 88mH SC coil Noise filter L02 SC 20 S03J AC 250V 20A 0 3mH DC DC transformer SWT 75 Primary side DC 240 390V Secondary side 7V x 1 13V x1 16V x3 Outside fan motor ICF 140 63 2R DC 140V 63W Relay 4 way valve G5N 1A Coil DC 12V Contact 2A AC250V Relay Power relay G4A 1A PE Coil DC 12V Contact 20A AC250V Discharge temp sensor TD sensor Inverter attached 64kQ 20 C Outside air temp sensor TO sensor Inverter attached 10kQ 25 C Temp sensor at A room gas side TGA sensor Inverter attached 10kQ 25 C Temp sensor at B room gas side TGB sensor Inverter attached 10kQ 25 C Temp sensor at C room gas side TGC sensor Inverter attached 10kQ 25 C Temp Sensor at D room gas side TGD sensor 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 6P AC 250V 20A Terminal block 3P SE AC 250V 20A For protection of switching power source F04 AC 250V 3 15A For protection of power factor converter circuit breakage AC 250V 25A For protection of inverter input overcurrent AC 250V 25A For protection of switching power source F300
74. Indoor High dBA 42 43 43 44 45 45 Operating Cooling Heating Medium dBA 33 34 34 35 36 36 noise Low dB A 27 27 27 27 29 29 Outdoor Unit model RAS 4M27GAV E RAS 3M26GAV E Cooling Heating Full indoor units operating dB A 48 48 48 48 Unit model RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E Height mm 250 250 250 Dimension Width mm 790 790 790 Indoor unit Depth mm 215 215 215 Net weight kg 9 9 9 Fan motor output W 30 30 30 Air flow rate Cooling Heating m h 550 610 560 640 640 660 Unit model RAS 4M27GAV E RAS 3M26GAV E Height mm 795 795 Dimension Width mm 900 900 Depth mm 320 320 Net weight kg 65 64 Outdoor unit Motor output W 2000 Compressor Type Twin rotary type with DC inverter variable speed control Model DA220A2F 20L Fan motor output W 60 Air flow rate m3 h High 3000 Medium 2800 Type Flare connection indoor unit Unit model RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E Liquid side Gas side 6 35 9 52 6 35 9 52 6 35 O12 7 Unit model RAS 4M27GAV E RAS 3M26GAV E A unit liquid side Gas side 6 35 O12 7 6 35 O12 7 Outdoor unit B unit liquid side Gas side 6 35 9 52 6 35 09 52 Pipin C unit liquid side Gas side 6 35 O9 52 6 35 O9 52 Ge ge D unit liquid side Gas side 6 35 09 52 Maximum length per unit m 25 25 Maximum length total m 70 50 Maximum chargeless length m 70 50 Maximum height difference m 15 15 Name of refrigerant R410A Weight kg 2 4 Wiring connection Power s
75. Measure gas pressure Thermo operation of compressor Gas shortage Gas leak Pipe clogging 2 If the unit stops 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 leak P M V is defective Miswiring of connecting wires of indoor outdoor units br Refer to the chart in 11 6 Clogging of pipe and coming off of TC sensor 96 11 5 Trouble Diagnosis by Outdoor LED For the outdoor unit the self diagnosis is possible by LED Yel and four LEDs Red e LED Yel D800 and LEDs Red D801 to D804 are provided 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 D800 D801 D802 D803 D804 L_ Rea Yellow 1 If a trouble occurs LED Red or Yel goes on accord ing to the trouble as described in the table below 2 When two or more troubles occur LEDs go on cycli H cally 3 Usually LEDs Red or Yel go off Fig 11 5 1 O LED ON LED OFF IGBT Insulated Gate Bipolar Transistor PM V Pulse Motor Valve LED display Indoor D80
76. N 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 CONDITIONER FOR INSTALLATION IN ANOTHER PLACE BE VERY CARE FUL NOT TO ALLOW THE SPECIFIED REFRIGERANT R410A TO BECOME MIXED WITH ANY OTHER GASEOUS BODY INTO THE REFRIGERATION CIRCUIT IF AIROR 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 PER SONNEL INJURIES INTHE 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 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 conditioner uses
77. O Press this button to operate the air conditioner economically 16 PRESET button Press this button to operate the air conditioner to the settings stored using the MEMO button 17 PURE button PURE Press this button to start the electrical air purifying operation Press the button again to stop operation 18 Sleep time button SLEEP Press this button to start the sleep timer OFF timer operation You can select the OFF timer time from among four settings 1 3 5 or 9 hours 1 amp AUTOA ei II oo HIPOWER amp CHK ATEN GS en aa pg E 69 9 5 2 Name and Functions of Indications on Remote Controller Display All indications except for the clock time indicator are displayed by pressing the B button 1 2 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 er Cool Dry 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 L MED _ maa MED mmm HIGH _ mm Can be shown Indicates AUTO when the operat
78. P for the fan motor and connec tor 5P for the louver motor from the electric parts box assembly 4 Pull out TC sensor from sensor holder of the evaporator 5 Disengage the two claws at the top of the display unit They can be easily disengaged by pressing the drain pan above the claws and at the same time pulling the display unit toward you 6 Remove the fixing screw that secures the electric parts box assembly and remove the assembly lt How to assemble the electric parts box gt 1 Hook the top part of the electric parts box assembly onto the claws on the back body and secure it using the fixing screw Now attach the display unit Connect the connectors for the fan motor and louver motor 2 Secure the grounding wire using the fixing screw Insert the TC sensor into the sensor holder Be absolutely sure to loop the grounding wire and TC sensor leads once at the bottom 110 Remarks Lead wire Make absolutely sure that the leads form a loop Part name Procedures Remarks Horizontal louver 1 Remove shaft of the horizontal louver from the back body First remove the left shaft and then remove other shafts while sliding the horizontal louver leftward a Evaporator 1 Follow to the procedure in the item Heat exchanger 2 Remove the pipe holder from the rear side of the main unit 3 Remove two fixing screws at the left side of the end plate of the heat exchanger 4 Rem
79. Restart for Compressor e Fan Motor Starting Control Le e Processing Temperature Processing Louver Motor Drive Control Indoor Fan Motor Control Louver Motor e Timer e Serial Signal Communication Indoor Fan Motor Converter D C circuit From Outdoor Unit 220 240V 50Hz 220V 60Hz REMOTE CONTROLLER Power Supply Lech Circuit e Clean Function Serial Signal Transmitter Receiver Serial Signal Communication Operation Command and Information Remote Controller I Operation START STOP Operation Mode Selection AUTO COOL DRY HEAT Thermo Setting Fan Speed Selection ON TIMER Setting OFF TIMER Setting Louver AUTO Swing Louver Direction Setting ECO Hi POWER Air Purifier SLEEP Air purifier unit Micro Switch Infrared Rays 36 7kHz gaben RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Indoor Unit Control Unit Heat Exchanger Sensor Tc Room Temperature Sensor Ta Infrared Rays Signal Receiver and Indication J Clock Frequency Oscillator Circuit Power Supply Circuit Converter D C circuit ZN Noise Filter j From Outdoor Unit 220 240V 50Hz 220V 60Hz REMOTE CONTROLLER p e 3 minute Delay at Restart for Compressor e Fan Motor Starting Control e Processing e Timer e Serial Signal Communication e Clean Function Functions Louver Motor Drive Control Indoor
80. TOSHIBA FILE NO A05 011 SERVICE MANUAL AIR CONDITIONER SPLIT TYPE RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E RAS 4M27GAV E RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E RAS 4M27GACV E RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E RAS 3M26GAV E E E Oo SED PY LS SS k NEE NNS GS SES YS EO WY SS PRINTED IN JAPAN Dec 2005 CloMo 10 11 12 13 CONTENTS SAFETY PRECAUTIONS soasseorserseerernsennnannssenanoweervenagannenstedenndhannvanmeonane 3 SPECIFICATIONS vvsssssesisacinsientanesccatavidennieeddaceticanehenvadeaaaddnddanaeticannwaine 5 REFRIGERANT Feeds eege Eed 24 CONSTRUCTION VIEWS zus asaseseverzansuwehenssnae iegsskenineesnsoaabdeesdannuushenddsteen 32 WIRING DIAGRAM oi isssensnsssseersenenendotennananabananannennuninivenendenanenekecn suisses 34 SPECIFICATIONS OF ELECTRICAL PARTS n nnn neee eenen eenen 36 REFRIGERANT CYCLE DIAGRAM nnee een eene enee enen eene nen 37 CONTROL BLOCK DIAGRAM eeen eenen eennanneneneeen 45 OPERATION DESCRIPTION ausgeseit senen oee eweswdenninalenasenedenelewinicndn 48 INSTALLATION PROCEDURE eeen eenen enanenenennenen 72 HOW TO DIAGNOSE THE TROUBLE eee eran EEN 87 HOW TO REPLACE THE MAIN PARTS eeen eneen enne enene nen 107 EXPLODED VIEWS AND PARTS LIST nana nne nneen enen ennnnnnnenneneeen 123 1 SAFETY PRECAUTIONS For general public use
81. Turn off indoor unit and remove connector from motor Then start to operate indoor unit with remote controller Start to operate the indoor unit in except heating operation At this time is it possible to detect DC 1V or more between 6 and of motor connector CN10 Check this condition within 15 seconds after starting unit NO Replace bearing Is it possible to change airflow level to HIGH YES Is it possible to rotate cross flow fan by hand properly Turn off indoor unit and rotate cross flow fan by hand when the unit is on standby At this time is it possible to detect DC 1V or more between 6 and of motor connector CN10 NO Fan motor operates normally 93 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 PC board is soldered imperfectly or the IC is defective the fan motor may automatically rotate by turning on power supply lt Inspection procedure gt 1 Remove the front panel Remove 2 screws 2 Remove the cover of the fan motor lead wires 3 Check DC voltage with CN10 connector while the fan motor is rotating NOTE e Do not disconnect the connector while t
82. White CNO6 Connecting cable 5P Red CN13 Connecting cable 5P Red e Sub control board assembly side CN302 Connecting cable 3P White CN303 Connecting cable 2P White CN501 Connecting cable 3P Red CN800 Connecting cable 5P Red 3 The connecting cable connecting compressor and P C board base and that connecting reactor and PC board base are fixed to the inverter box with bundling band Cut off bundling band 4 The connecting cables of the main P C board base and the sub P C board base are fixed with bundling band Cut off bundling band 5 Remove the control board assembly from PC board base 1 Main control board assembly side Remarks Bue CN701 CN300 CN302 CN303 CN501 CN604 CN606 CN701 CN702 CN703 CN704 4 way valve connector case thermo connec tor at the sub control board assembly side are connectors with locks Therefore remove the connector while pushing the part indicated by an arrow P C board base P C board When mounting a new board check that the board is correctly set in the groove of base holder of P C board base e Remove two claws of P C board base and remove upward the heat sink by hands e Remove three screws fixing the heat sink and main control board assembly side e Remove red orange brown and black connecting cables connected to the diode
83. a main circuit breaker in either of the following two ways 1 Connection to fixed wiring A switch or circuit breaker which discon nects all poles and has a contact separa CAUTION When installing the installation plate with mount ing screw do not use the anchor bolt hole Otherwise the unit may fall down and result in personal injury and property damage tion of at least 3 mm must be incorporated in the fixed wiring An approved circuit we breaker or switch must be used Anchor bolt Connection with power supply plug H EE Attach power supply plug with power cord SE and plug it into wall outlet An approved K O K ee SE power supply cord and plug must be used a NOTE e Perform wiring work being sure the wire length is Fig 10 3 4 long enough 5 mm dia hole 10 3 4 Wiring Connection How to connect the connecting cable Mounting screw Kees Wiring the connecting cable can be carried e l out without removing the front panel Clip anchor s Sie SC local parts 1 Remove the air inlet grille Open the air inlet grille upward and pull it toward you 2 Remove the terminal cover and cord clamp ee 3 Insert the connecting cable or as according to local regulations codes into the pipe hole on the wall CAUTION 4 Pull the connecting cable through the cable slot Failure to securely install the unit may result in on the rear panel so that it protrudes about personal injury and or pr
84. ained in the flux remains within the pipe the lubricating oil deteriorates Therefore use a flux which does not contain chlorine 3 When adding water to the flux use water which does not contain chlorine e g distilled water or ion exchange water 4 Remove the flux after brazing Nitrogen gas cylinder From Nitrogen cylinder gas Rubber plug Fig 3 5 1 Prevention of oxidation during brazing Bt 4 CONSTRUCTION VIEWS 4 1 Indoor Unit RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E RAS M10GKCVP E INN re RAS M13GKCVP E Ullr RAS M16GKCVP E Plasma pure filter Front panel Indoor heat exchanger 250 Knockout system Remote controller holder 19 Installation plate Drain hose hanging section Outside length 0 54m Connecting pipe Connecting pipe g Outside Great Outside length 0 45m Flare 09 52 Flare 06 35 RAS B16GKVP E 012 7 RAS M16GKCVP E 12 7 WH HO3JE Heat pump model 674 25 Parts name of remote controller WH H03JE Stud bolt hole Cooling only model for 6 Stud bolt hole for 8 to G10 Minimum distance Minimum distance to wall to wall TA Lower part A Outline of hanging section installation plate Center line Center line of installation plate 304 RD 4 2 Outdoor Unit RAS 4M27GAV E RAS 4M27GACV E RAS 3M26GAV E Knock out wi N SE lt 88 x 20 hole s 3
85. 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 0 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 recommended to proc
86. atch color of ID mark at the coil side with that of ID mark at the PMV unit side Make sure also that pipes do not deform when inserting and fixing the coil Fan guard 1 Detachment 1 Perform work of item 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 claw of the fan guard in the hole of the air outlet panel Push the hooking claws 5 positions by hands and fix the claws After all the attaching works are complected check that all the hooking claws are fixed to the specified positions a Minus screwdriver Hooking claw t 119 Part name Replacement of temperature sensor for servicing only Common service parts of sensor TO TS TE TGa TGb TGc TGd without TD These are parts for servicing sensors Please check that the accessories shown in the right table are packed Procedure 1 Cut the sensor 100 mm longer than old one 2 Cut the protective tube after pulling out it 200 mm 3 Move the protective tube toward the thermal sensor side and tear the tip of lead wire in two then strip the covering part 4 Pass the stripped part through the thermal constr
87. ation e The indoor unit operates in according to the current operation 2 Cooling operation e The preset temperature drops 1 C The value of the preset temperature on the remote controller does not change e If the difference between the preset temperature and the room temperature is big the horizontal louver moves to the Hi POWER position automatically Then when the difference between them gets smaller the horizontal louver returns automatically 3 Heating operation e The preset temperature increases 2 C The value of the preset temperature on the remote controller does not change 4 The Hi POWER mode can not be set in Dry operation 9 7 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 2 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 OFF 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 stop
88. ature of indoor heat exchanger e For these signals Operation mode and Com pressor revolution indoor heat exchanger tem perature 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 e The current operation mode e The current compressor revolution e Outdoor temperature e 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 e Whether distinction of the current operation status meets to the operation command signal e Whether protective circuit operates When no signal is received from the outdoor unit controller it is assumed as a trouble Operations followed to judgment of serial signal from indoor side 9 2 Operation Description 9 2 9 3 9 4 Te Basit operaliOm EE 50 1 OpSration Control TEE EE 50 2 Operating mode selection when performing 2 room operation nnen eeen 51 3 Cooling Heating operation nnn nnee rennnerrenneeeenennerennnervennnneevenervenneeee nennen enn 51 45 AU TOMOPCFAtlON BEE 52 5 DRY Operation casario over et
89. 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 4 Reamer 9 Hole core drill 65 Use vacuum pump by attaching 5 Pipe bender 10 Hexagon wrench vacuum pump adapter 6 Level vial Opposite side 4mm 2 Torque wrench For 06 35 9 52 7 Screwdriver 11 Tape measure 3 Pipe cutter 8 Spanner or Monkey wrench 12 Metal saw Also prepare the following equipments for other installation method and run check 3 Insulation resistance tester 4 Electroscope 1 Clamp meter 2 Thermometer d 3 4 Recharging of Refrigerant When it is necessary to recharge refrigerant charge the specified amount of new refrigerant according to the following steps Recover the refrigerant and check no refrigerant remains in the equipment a 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 Connect the charge hose to packed valve service port at the outdoor units gas side Keep the status as it is for 1 to 2 minutes and ensure Connect the charge hose to the vacuum pump that the compound gauge s pointer does not return adapter Set the refrigerant cylinder to the electronic balance Open fully both packed valves at liquid and gas connect the connecting hose to the cylinder and the sides
90. block e Replace the P C board with a new one 2 Sub control board assembly side e Remove PC board base from the inverter box e Remove three claws of P C board base and replace the board with a new one ell Part name Procedure Remarks Fan motor 1 Perform work from item 1 to 5 7 of 2 Remove the flange nut fixing the fan motor and the propeller fan e Flange nut is loosened by turning clockwise To tighten the flange nut turn counterclock wise 3 Remove the propeller fan 4 Disconnect the connector for fan motor from the inverter 5 Remove the fixing screws 3 pcs while holding by hands so that the fan motor does not fall Flange nut Propeller fan Compressor 1 Perform work of item and 2 Evacuate refrigerant gas 3 Remove the partition board Take care that the reactor and the partition fixing plate remain 4 x 10L 3 pcs 4 Remove the sound insulation materials 5 Remove terminal cover of the compressor and disconnect lead wires of the compressor and the compressor thermo assembly from the terminal 6 Remove pipes connected to the compressor with a burner 7 Remove the fixing screws of the bottom plate and heat exchanger 04 x 10L 2 pcs 8 Remove the fixing screws of the bottom plate and valve clamping plate 04 x 10L 2 pcs the accumulator fixing plate and the accumlator 84 x 10L 2pcs 9 Pull upward the refrigeration cycle gt 10 Rem
91. can be performed with Max 16Hz is gradually widened after 30 minutes passed when starting ECO operation 3 The louver position is set horizontally Standard cooling position when the room tem perature comes close to the set temperature or when 25 minutes passed after starting ECO operation em Operation flow and applicable data etc Description 11 Temporary operation Filter lamp ON Did you press RESET button for 3 seconds or more Did you press RESET button Pressing RESET button starts the temporary operation of AUTO operation When keeping RE SET button pressed for 10 seconds or more the temporary COOL operation is performed YES Press RESET button Temporary AUTO operation YES NO YES for 10 seconds or more NO Switch to AUTO RESTART control Temporary COOL Operation 1 When pressing RESET button the temporary AUTO operation starts 2 When keeping RESET button pressed for 3 seconds or more Pi Pi Pi sound is heard and AUTO RESTART control is changed 3 When keeping RESET button pressed for 10 seconds or more Pi sound is heard and the temporary COOL operation starts 4 If the filter lamp goes on press RESET button to go off the filter lamp and then press RESET button again 5 To stop the temporary operation press the button again 12 Air purifying This function generates nagative ion while cleaning the air in the
92. circuit CPU and peripheral circuits buzzer and Driving circuit of top bottom 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 Of 3 Check procedures Procedure 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 Table 11 8 1 Check points Check whether or not the fuse F01 is blown Impulse voltage was applied or the indoor 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 CN23 AC 220 240V 2 Between and of C03 DC 310 340V Between of C10 and output side of IC08 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 LO1 resistor RO5 or the diode DB01 is defective 1C01 ICO8 and T01 are defective 1C01 ICO8 and T01 are defective IC01 ICO8 ICO7 and T01 are defective Press START STOP button once to start the unit Do not set the mode to On Timer operation Check power supply voltage 1 Between CN21 and No 1
93. compressor system Kan Loi a a a a Temp sensor TGa fault at A room gas side a e e a Temp sensor TGb fault at B room gas side a a e e a Temp sensor TGc fault at C room gas side Ge ee er e e e e a Temp sensor TGd fault at D room gas side GE pisses Less o e o a e a gas eakal e TS sensor out of place PMV TEE A mora en SE Sensor TC out of plage PMV sensor aal Fig 10 419 weil e Le lg Miswiring at indoor or outdoor Gas leakage IGBT Insulated Gate Bipolar Transistor TS TC sensor out of place PMV sensor fault PMV Pulse Motor Valve EC WOCH Communication trouble between MCU LED Light Emitting Diode aje eu je Compressor lock SS nae SE LI D LI D LI 2 a a e a z As pressure is high it is impossible to measure by means of conventional Gauge manifold ale gauge In order to prevent any other refrigerant from being charged each port diameter is changed g In order to increase pressure resisting strength hose materials and port Charge hose size are changed to 1 2 UNF 20 threads per inch When purchasing a charge hose be sure to confirm the port size Electronic balance for As pressure is high and gasification speed is fast it is difficult to read the refrigerant charging indicated value by means of charging cylinder as air bubbles occur Torque wrench cn The size of opposite sides of flare nuts have been increased nominal diam 1 2 5 8 Incidentally a common wrench is
94. d used brazing filler flux Piping material Used brazing filler Used flux Copper Copper Phosphor copper Do not use 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 Nitrogen 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 mate rial 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 backflow 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 Copper Iron Silver Paste flux lron lron Silver Vapor flux 1 Do not enter flux into the refrigeration cycle 2 When chlorine cont
95. d value Reduction of compressor speed When the value is in Q zone the compressor speed is kept Usual heating capacity control 57 1 When temperature of the indoor heat exchanger rises in the range from 50 C to 55 C the compressor speed is kept Q zone When temperature of the indoor heat exchanger drops in the range from 46 C to under 55 C the compressor speed is kept Q zone 2 When temperature of the indoor heat exchanger rises to 55 C or higher the compressor speed is reduced P zone 3 When temperature of the indoor heat exchanger does not rise to 50 C or when it drops below to 46 C the capacity control operation returns to the usual control in heating operation R zone 7 Winding Coil heating control Operation flow and applicable data etc When the outdoor temperature is low the windings coils are heated to ensure compressor reliability Outdoor temperature To Winding Coil heating amount OFF Description 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 2 hours or more have elapsed after cooling dry or heating operation stops Condition 3 When the outdoor sensor temperature To is as shown in the left figure 8 Defrost control Only in heating operation Start of 0 E 2 D 2 D 2 ja D
96. dgment Self Diagnosis by Remote Controller Check Code Judgment of Trouble by Every Symptom Trouble Diagnosis by Outdoor LED How to Diagnose Trouble in Outdoor Unit How to Check Simply the Main Parts How to Simply Judge Whether Outdoor Fan Motor is Good or Bad NOTE lt Discharging method gt A large capacity electrolytic capacitor is used in the 1 Remove the inverter cover plating by opening outdoor unit controller inverter Therefore if the four mounting claws power supply is turned off charge charging voltage 2 As shown below connect the discharge resis DC280V remains and discharging takes a lot of tance approx 100W 40W or plug of the solder time After turning off the power source if touching ing iron to voltage between terminals of the the charging section before discharging an electri C13 CAUTION HIGH VOLTAGE 320V is cal shock may be caused Discharge the electrolytic indicated electrolytic capacitor 760uF 400V on Discharging position Discharging period 10 seconds or more Plug of I soldering iron Inverter cover KF P C board Soldered surface Fig 11 1 87 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 10 If power voltage is not in this range the unit may not op
97. djust the open degree of valve to the setup Discharge SH control temp control value before stop of the compressor PMV open degree control Stop by Room temp sensor remote controller Ta sensor control Power OFF Defrost SH Super Heat amount Ts Temperature of suction pipe of the compressor Tc or Te Heat exchanger temperature at evaporation side PMV Pulse Motor Valve 63 tem Operation flow and applicable data etc Description 15 Clean operation Purpose The clean operation is to minimize the growth of mold bacteria etc by running the fan and drying so as to keep the Unit now performing cooling or dry operation inside Ove EES EH Clean operation When the cooling or dry operation shuts down the unit automatically starts the Press STOP button 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 Only S CLEAN indicator lights and clean operation starts clean operation stops The clean operation is not performed after a heating operation Operation Time set now elapses 1 When the stop signal from the remote controller is received the S CLEAN indicator green on the main body lights and the clean operation starts Operation stops Neither the OPERATION indicator nor the TIMER indicator light 2 The period of the clean operation is dete
98. e kW W A dB Operating status A 2 7 750 3 55 1 4 to 3 2 640 to 950 3 38 to 4 26 3 7 1200 5 26 1 4 to 4 4 640 to 1520 3 38 to 6 60 4 5 1650 7 16 1 4 to 5 0 640 to 2000 3 38 to 8 50 5 4 1530 6 51 2 5 to 6 3 640 to 2040 3 33 to 8 67 5 9 1810 7 70 2 7 to 6 6 660 to 2220 3 44 to 9 44 6 3 2040 8 67 2 9 to 6 9 670 to 2400 3 49 to 10 20 2 units 6 3 2040 8 67 2 9 to 6 9 670 to 2400 3 49 to 10 20 6 8 2320 9 86 3 0 to 7 2 690 to 2570 3 59 to 10 93 7 2 2550 10 84 3 2 to 7 5 700 to 2750 3 65 to 11 69 7 6 2400 10 20 3 8 to 8 2 950 to 2720 4 40 to 11 56 7 7 2410 10 25 3 9 to 8 3 960 to 2740 4 44 to 11 65 7 7 2410 10 25 4 0 to 8 5 960 to 2790 4 44 to 11 86 7 7 2410 10 25 4 0 to 8 5 960 to 2790 4 44 to 11 86 7 8 2430 10 33 4 1 to 8 6 970 to 2810 4 49 to 11 95 7 8 2430 10 33 4 1 to 8 6 970 to 2810 4 49 to 11 95 7 9 2440 10 37 4 1 to 8 7 970 to 2830 4 49 to 12 03 7 9 2440 10 37 4 1 to 8 7 970 to 2830 4 49 to 12 03 7 9 2440 10 37 4 2 to 8 9 970 to 2880 4 49 to 12 24 8 0 2450 10 42 4 3 to 9 0 980 to 2900 4 54 to 12 33 7 9 2450 10 42 4 0 to 8 7 930 to 2800 4 31 to 11 90 7 9 2450 10 42 4 1 to 8 8 940 to 2820 4 35 to 11 99 8 0 2500 10 63 4 1 to 9 0 940 to 2860 4 35 to 12 16 8 0 2500 10 63 4 1 to 9 0 940 to 2860 4 35
99. e Wing nut type 1 0 to 1 5 1 5 to 2 0 1 0 to 1 5 1 5 to 2 0 1 0 to 1 5 2 0 to 2 5 1 0 to 1 5 2 0 to 2 5 Table 3 2 4 Dimensions related to flare processing for R22 A mm Outer diameter mm Thickness mm Flare tool for R22 clutch type Clutch type Wing nut type Nominal diameter Conventional flare tool 0 5 to 1 0 1 0 to 1 5 0 5 to 1 0 1 0 to 1 5 0 5 to 1 0 1 5 to 2 0 0 5 to 1 0 1 5 to 2 0 Table 3 2 5 Flare and flare nut dimensions for R410A Nominal Outer diameter Thickness Dimension mm Flare nut width diameter mm mm B C mm db 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 lo 45 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 tighten ing torque comp
100. e operation is stopped by the remote controller CO The timer is stored in memory of the microcomputer and the operation time is cleared by filter RESET button on 1 Reset by RESET button the indoor unit or a power failure 2 Reset by RESET button or by the stop direction FILTER indicator goes off from the remote controller 2 A trouble detected within 1 minute When the breaker is turned ON In restart time after activation of the air is immedi after power failure or RESET button is pressed ately judged as an error and the while the FILTER indicator is turned on the air FILTER indicator goes on purifier is not turned on until the integrated 3 In case that 1 minute passed after operation time of the indoor fan exceeds 1 hour activation of the purifier the purifier is after operation start It is nor the air purifier turned off while the PURE indicator operation time keeps ON After 10 minutes passed It is the safety measures considering an incom restart the purifier and an error is plete drain when electric dust collector has been judged again cleaned with water Filter lamp ON Purifier power OFF YES 13 Discharge temperature control Purpose This function detects error on the refrigerating cycle or error on the com Judges as an error and stops the compressor pressor and performs protective control Td value Control operation Reduce the compressor speed Operation Reduce slowly co
101. e top tighten the nut with a spanner and torque wrench as 2 When multiple indoor units are to be connected to shown in the figure the outdoor unit make the ends of the pipes and wires from each indoor unit to ensure that they will CAUTION be connected to the outdoor unit correctly Problems caused by indoor units being connected to the outdoor unit incorrectly are very common in multiple unit installations 3 The length and height difference of the connecting Unit N m pipes between the indoor and outdoor units must Outer dia of copper pipe Tightening torque e Do not apply excess torque Otherwise the nut may break be within the ranges indicated below 26 35 mm 14 to 18 1 4 to 1 8 kgf m e Total piping length l 9 52 mm 33 to 42 3 3 to 4 2 kgfem 4 units A B C D Multi 12 7 mm 50 to 62 5 0 to 6 2 kgfem Non Additional refrigerant 70 m 3 units A B C Multi e Tightening torque of flare pipe Non Additional refrigerant 50 m The pressure of R410A is higher than R22 Approx e Minimum piping length 1 6 times Therefore securely tighten the flare pipes Aor B or C or D 2 mor more which connect the outdoor unit and indoor unit with e Maximum indoor piping length the specified tightening torque using a torque A or B or C or D 25 m or less wrench Flare at e Maximum piping height difference If any flare pipe is incorrectly AorBorCorD 15morless connected it may cause not Maximum piping
102. ed the Capacity control continues specified value Cooling current Heating current 9 6 14 4A 56 6 Release protective control by tempera ture of indoor heat exchanger Indoor heat exchanger temperature Indoor heat exchanger temperature Operation flow and applicable data etc 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 Description 1 When temperature of the indoor heat exchanger drops below 5 C the compressor speed is reduced P zone 2 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 3 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 lt In heating operation gt Prevent overpressure control for refrigerating cycle In heating operation the sensor of indoor heat ex changer detects condensation temperature and controls the compressor speed so that temperature of the heat exchanger does not exceed the specifie
103. eeding with the repairs Electric shocks may occur if the power plug is not disconnected After the repairs have been completed after the front panel and cabinet have been installed perform a test operation and check for smoking unusual sounds and other abnormalities If this check is omitted a fire and or electric shocks may occur Before proceeding with the test operation install the front panel and cabinet Ensure that the following steps are taken when doing repairs on the refrigerating cycle 1 Do not allow any naked flames in the surrounding area If a gas stove or other appliance is being used extinguish the flames before proceeding If the flames are not extinguished they may ignite any oil mixed with the refrigerant gas Do not use welding equipment in an airtight room Carbon monoxide poisoning may result if the room is not properly ventilated Do not bring welding equipment near flammable objects Flames from the equipment may cause the flammable objects to catch fire If keeping the power on is absolutely unavoidable while doing a job such as inspecting the cir cuitry wear rubber gloves to avoid contact with the live parts Electric shocks may be received if the live parts are touched High voltage circuits are contained inside this unit Proceed very carefully when conducting checks since directly touching the parts on the control circuit board may result in electric shocks 12 1 Indoor Unit Part
104. eives operation com mand from the indoor unit side and controls the outdoor fan and the pulse motor valve PM V Besides detecting revolution position of the compres sor 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 controller judges the operation commands from the remote controller and assumes the following functions e Judgment of suction air temperature of the indoor heat exchanger by using the indoor temp sensor TA sensor e Judgment of the indoor heat exchanger tempera ture by using heat exchanger sensor TC sensor Prevent freezing control etc e Louver motor control e Indoor fan motor operation control e LED Light Emitting Diode display control e Transferring of operation command signal Serial signal to the outdoor unit e Reception of information of operation status Serial signal including outside temp data to the outdoor unit and judg
105. eives the signal of the remote control ler 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 ipower Eco memo 1 3 5 9H Bme Fx Fan feuer Jumper wire Gur Ger CLOCK O v RESET O CHECK O Cutting direction li 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 Seiting the remote controller Switching between A and B is enabled by cutting the jumper wire inside the battery box using pliers 1 Slide open the remote controller cover and remove the batteries 2 Cut the jumper wire inside the battery compartment using nippers e 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 Even after the jumper wire has been cut switching between A and B is still possible by pressing the CHECK button and FIX button together The A or B setting which was switched by pressing the CHECK button and FIX button together is restored to the setting established prior to
106. ensor short circuited CNO1 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 e Set the 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 controller The motor rotates but vibrates strongly 102 The indoor fan motor is defective Protected operation of P C board The PC board is defective The connection of the motor connector is loose 11 8 2 P C Board Layout EE 15A E Oo REH Gsm 1 Sensor characteristic table TD Discharge temp sensor TA Room temp sensor TC Heat exchanger temp sensor TO Outdoor temp sensor TE Outdoor heat exchanger temp sensor TS Suction temp sensor TGa A room Gas side temp sensor TGb B room Gas side temp sensor TGc C room Gas side temp sensor TGd D room Gas side temp sensor e TA TC TO 1Ga TGb TGG 1Gd TE TS Resistance value kQ 0 10 20 30 40 50 Temperature C 103 Part name Room temp TA sensor Heat exchanger TC sen
107. erate 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 de scribed 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 When power breaker is turned ONT the operation lamp Green of the indoor unit flashes Description 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 com pressor 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 ECONO 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
108. f 5 em from radio Remote controller is defective P C board is defective Keep indoor unit Avoid direct away from thyristor Replace Replace 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 95 11 4 2 Wiring Failure Interconnecting and Serial Signal Wire 1 Outdoor unit does not operate 1 Is the voltage between and of the indoor terminal block varied Confirm that transmission from indoor unit to outdoor unit is correctly performed based upon the follow ing diagram NOTE e Measurement should be performed 2 minutes and 30 seconds after starting of the operation e Be sure to prepare a diode for judgment Terminal block at indoor side Red O O d S5277G or equivalent G or J type f S5277G Diode with rated voltage of 400V White or more is acceptable Terminal block Tester Normal time Voltage swings between DC15 and 60V sssessse Inverter Assembly check 11 9 1 Abnormal time Voltage does not vary 2 Outdoor unit stops in a little while after operation started lt Check procedure gt 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
109. failure 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 Trouble on compressor Trouble on wiring of compressor Missed phase gt emm emm Displayed when error is detected Compressor does not All off rotate Current protective circuit does not operate when a specified time passed after compressor had been activated Displayed when Check dischage temp sensor error is detected TD Gas leakage Trouble on P M V Check power voltage 220 230 240 V 10 Overload operation of refrigera tion cycle Check installation condition Short circuit of outdoor diffuser Discharge temp All off exceeded 117 C Break down of All off compressor Displayed when error is detected O 11 4 Judgment of Trouble by Every Symptom 11 4 1 Indoor Unit Including Remote Controller 1 Power is not turned on Does not operate entirely 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 FO1 blown Turn off power supply once and 5 second later turn it on again NO Is OPERATION indicator flashing YES Is it possible to turn on Does power supply by pushing START STOP button on remote controller YES
110. gnose the details of troubles For any trouble occurred at the outdoor unit side detailed diagnosis is possible by 5 serial LED on the inverter PC board 88 11 3 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 condi tion 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 GHz during self diagnosis 11 3 1 How to Use Remote Controller in Service Mode AclAuTOA 7 ei Os Ho AC urowen amp AM BBE CHK UND n a a pl Alphanumeric characters are used for the check codes 5 is5 5 is6 A is A h is B E isc dis D Press CHECK button with a tip of pencil to set the remote controller to the service mode e fil is indicated on the display of the remote controller Press ON A or OFF Y button If there is no fault with a code the indoor unit will beep once Beep and the display of the remote controller will change as follows e The TIMER indicator of the indoor unit flashes continuously 5 times per 1 sec e Check the unit with all 52 chec
111. he fan motor is rotating e Use a thin test rod Indoor fan starts rotating when power supply is turned on Check output DC voltage of fan motor on P C board P C board Measure voltage between GND BLACK and 5 V line YELLOW of motor connector CN10 while indoor fan motor is rotating DC 1 0V or more Under DC 1 0V P C board is defective Motor is defective Replace P C board Replace motor 94 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 Press the START STOP button Is transmission mark indicated YES Press RESET button on remote controller with tip of pencil Is receiver on indoor unit exposed to direct sunlight Does indoor unit Is there any t thyristor operate when moving fluorescent light remote controller near receiver or nearby y indoor unit Batteries are exhausted Press the START STOP button Is transmission mark indicated YES Does indoor unit beep and operate YES d Does indoor unit start to operate by automatic restart function Does radio sound is affected by remote controller when a signal is transmitted at distance o
112. in the below 4 The indoor controller controls the indoor fan motor and louver motor 5 The indoor controller sends the operation command to the outdoor controller and sends receives the control status with a serial signal 6 The outdoor controller controls the operation as shown in the left and also controls the compres sor outdoor fan motor 4 way valve and pulse motor valve Remote controller Selection of Control contents of remote controller operation conditions e ON OFF Air conditioner Air purifier Operation select COOL HEAT AUTO DRY e Air direction e Swing e Air volume select AUTO LOW LOW MED MED HIGH e ECO e ON timer setup e OFF timer setup e High power Indoor unit Signal receiving Indoor unit control e Command signal generating function of indoor unit Indoor unit control operation Calculation function temperature calculation e Indoor fan motor e Activation compensation function of indoor fan e Louver motor Operation command Cold draft preventive function e Timer function Serial signal send receive e Indoor heat exchanger release control e Clean function Gi Outdoor unit yd Serial signal send receive Outdoor unit control e Frequency control of inverter output e Waveform composite function e Calculation function e Compressor Temperature calculation Outdoor fan motor e AD conversion function e 4 way valve e Quick heating function e Pulse motor valve Delay function of com
113. ing mispiping check by LED Indication During check Check time 3 to 20 minutes e When an error describes in the table below occurred check operation stops and error code is displayed on LED After check the result of check is displayed on LED e The Comp stop when miswiring mispiping error occurred e Confirm the contents of table below e Turn off the power breaker e Correct miswiring mispiping e Execute the check operation again e Automatically return to the normal operation when it is normal Return to normal operation e To return to the normal operation during check operation or after miswiring mispiping error is determined connect the miswiring check connector e For this outdoor unit the self miswiring mispiping check is possible by using five LEDs 1 Yellow 4 Red LEDs D800 to D804 locate on the sub control board underneath of the inverter Description Normal operation no error Checking A unit LED Checking B unit D800 D801 D802 D803 D804 During check Checking C unit See Gelee zi Checking D unit Crush Clog of Pipe A Crush Clog of Pipe B daag CH See BE ORR BEBE elo Crush Clog of Pipe C Ol JO JO Ol UO JO ol JO Crush Cl
114. ing mode is either AUTO or Dry SSES D 6 TIMER and clock time indicator The time setting for timer operation or the clock time is indicated The current time is always indicated except during TIMER operation 7 Hi POWER indicator Indicates when the Hi POWER operation starts Press the Hi POWER button to start and press it again to stop the operation 8 MEMORY indicator Flashes for 3 seconds when the MEMO button is pressed during operation The mark is shown when holding down the button for more than 3 seconds while the mark is flashing Press another button to turn off the mark 9 ECO indicator Indicates when the ECO is in activated Press the ECO button to start and press 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 AUTO 653 In the illustration all indications are shown for purposes of explanation During operation only the relevant indicators are shown on the remote controller 9 6 Hi POWER Mode Hi POWER button on the remote controller is pressed When Hi POWER button is pressed while the indoor unit is in Auto Cooling or Heating operation Hi POWER mark is indicated on the display of the remote controller and the unit operates as follows 1 Automatic oper
115. ingent tube 5 Cut the old sensor 100 mm length on the connector side and recycle that connector 6 Tear the lead wire in two on the con nector side and strip the covering part 7 Twist the leads on the connector and sensor sides and solder them 8 Move the thermal constringent tubes toward the soldered parts and heat them with the dryer and constring them 9 Wind the attached color tape round the both terminals of the protective tube when colored protective tube is used 10 Fix the sensor again box Remarks Cutting here Thermal 100 sensor part Connector Esc 200 Cutting here eel Thermal constringent tube Cutting here q 100 h x e Soldered part Doner Winding the color tape 1 Store the joint part of the sensor and the connector in the electric parts 2 Never joint them near the thermal sensor part Otherwise it would cause insulation inferiority because of dew drops 3 When replacing the sensor using the colored protective tube wind the color tape matching the color of that tube Parts name Sensor Remarks Length 3m Sensor Spring A For spare Sensor Spring B For spare Thermal constringent tube Including one spare Color tape 9 colors Terminal 120 lt MCC 1438 gt zie lt MCC 818 gt SS
116. ions valve stem cap connections and service port cap connections for gas leak with a leak detector or soap water CAUTION Use a circuit breaker of a type that is not tripped by shock waves If incorrect incomplete wiring is carried out it will cause an electrical fire or smoke Prepare the power supply for exclusive use with the air conditioner This product can be connected to the mains Connection to fixed wiring A switch or circuit breaker which disconnects all poles and has a contact separation of at least 3 mm must be incorporate in the fixed wiring An approved short circuit breaker or switches must be used A breaker having a sensitivity of approxi mately 0 1 second or less and a capacity of approximately 30 mA is usually used 10 4 10 Miswiring Mispiping Check Make sure that the wiring and piping for each room have the same alphabetical codes A B C D Connect and secure the power cord Use the power cord cables with thickness type and protective devices specified in this manual Insulate the unused cords conductors with PVC tape 1 Turn on the power breaker 2 Open side panel of the outdoor unit 3 Set the all indoor units to COOL mode e It is unnecessary to set the temperature e Miswiring check can not be executed when outdoor air temperature is 5 C or less 4 Start the check e Disconnect the miswiring check connector color Red from PC board of inverter Miswir
117. ive system error 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 error of the outdoor fan motor 3 Position detect circuit error inside of the outdoor fan motor or 4 Motor drive circuit error of the outdoor P C board How to simply judge whether outdoor fan motor is good or bad Turn OFF the breaker Disconnect two connectors CN300 and CN301 of the outdoor fan motor from the inverter Does the fan rotate without trouble when rotating it with hands If the resistance value between 2 Red lead White lead White lead Black lead CN300 Black lead Red lead of the connector CN300 Motor winding is 25 to 55Q it is normal If the resistance value between Yellow lead Pink lead of the connector CN301 Motor position detection is 5k to 20kQ it is normal 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 PC board is replaced replace the outdoor fan motor 106 12 HOW TO REPLACE THE MAIN PARTS WARNING e Since high voltages pass through the electrical parts turn off the power without fail before proc
118. k codes D I to 7 as shown in Table 11 3 1 e Press ON A or OFF el button to change the check code backward LO 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 e 2 digits alphanumeric will be indicated on the display e All indicators on the indoor unit will flash 5 times per 1 sec Press START STOP button to release the service mode e The display of the remote controller returns to as it was before service mode was engaged Time shortening method 1 Press SET button while pushing CHECK button 2 Press START STOP button Fig 11 3 1 89 11 3 2 Caution at Servicing 1 2 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 are not deleted even if the power supply is turned off because they are stored in the fixed memory 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 3 1 Operation of diagnosis function Check Block Indoor PC board etc Cause of operation Short circuit or discon nection of the roo
119. lation manual x 1 Specifications x 1 10 4 2 Refrigerant Piping Piping kit used for the conventional refrigerant cannot be used Use copper pipe with 0 8 mm or more thick ness Flare nut and flare works are also different from those of the conventional refrigerant Take out the flare nut attached to the main unit of the air conditioner and use it 10 4 3 Installation Place e A place which provides the spaces around the outdoor unit air do not disturb your neighbors A place which is not exposed to a strong wind 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 There must be sufficient spaces for carrying the unit into and out of the site A place where the drain water does not raise any problem 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 CAUTION Install the outdoor unit without anything blocking the air discharging When the outdoor unit is installed in a place exposed always to a strong wind like a coast or on a high story of a building secure the normal fan operation using a duct or a wind shield Especially in windy area install the unit to prevent the admission of wind Fig 10 4 1 Installation in the following places may result in trouble Do not install the unit
120. liary piping can be connected at the left rear left Air filters WS rear right right bottom right or aos bottom left as shown below Wireless 80 mm or more only remote controller when unobstructed to the front and both sides 100 mm or more 50 mm or more a ee from wall In principle from wall D Zy leave open Rear Bottom e Left right Remote controller holder Bottom right Rear left Mounting holes on both left and right sides As shown in the figure position power cord and connecting cable downward and lead out along 200 mm el 4 piping connection port Remote controller Insulate the refrigerant pipes holder mounting screw separately not together When installing the outdoor unit leave open in at least two of directions A B C and D shown in the right figure 250 mm or more from wall Power cord Extension drain hose Option RB 821SW Ensure sufficient space 6 mm thick heat resistin l g to allow drainage polyethylene foam e With the remote controller cover removed correctly load the supplied batteries while observing their polarity Wireless remote controller 72 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 diameter Gas side Outer diameter RAS B10GKVP E B13GKVP E 6 35 mm 9 52 mm RAS B16GKVP
121. ling 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 At the 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 and 4 way valve according to the operation signal sent from the indoor unit 1 The power coupler of 4 way valve is usually turned off and it is turned on during defrost operation Only in heating Operation ON Setup of remote controller Indoor unit control Indoor fan motor control Louver control Sending of operation command signal Compressor revolution control Outdoor fan motor control 4 way valve control Outdoor unit control In cooling operation OFF In heating operation ON Pulse motor valve control 51 Operation flow and applicable data etc 1 Basic 4 AUTO operation 1 Detects the room temperature Ta when operation Selection of operation mode the operation started As shown in the following figure the operation starts by 2 Selects an operation mode from Ta in selecting automatically the status of room temperature the left figure Ta when starting AUTO operation 3 Fan operation continues until an operation mode is selected
122. ly 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 R410A Reference values Tightening torque of torque wrenches available on the market N m kgf cm Nominal Outer diameter Tightening torque diameter mm Nem kgf cm 14 to 18 140 to 180 16 160 18 180 33 to 42 330 to 420 42 420 50 to 62 500 to 620 55 550 63 to 77 630 to 770 65 650 27 3 3 Tools 3 3 1 Required Tools The service port diameter of packed valve of the outdoor unit in 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 R410A but can be also used for conventional refrigerant R22 3 Tools commonly used for R
123. m Displayed when 1 Check discharge temp sensor error is detected TD 2 Check P C board Position detect error over current protective operation of outdoor fan drive system fan lock etc Replace PC board or fan motor Disconnection or short All off circuit of discharge temp sensor r emm Outdoor fan drive All off system error Displayed when error is detected Gm a emm mm emm L emm Outdoor temp sensor Operation 1 Check outdoor temp sensor error continues TO 2 Check P C board Check 5 serial LED When 20 seconds passed after start up position detect circuit error occurred Replace compressor Trouble on P M V 1 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 Not displayed mmm emm LI Outdoor P C board Displayed when error is detected Compressor drive output All off error Compressor error lock missing etc Break down mm emm mn Others including compressor l Return serial signal has Operation Flashes when been sent when continues trouble is detected operation started but it on return serial is not sent from halfway signal and normal 1 Compressor thermo status when signal operation is reset Gas shortage Gas leak check 2 Instantaneous power If return serial signal does not
124. m temperature sensor TA sensor Air conditioner status Operation continues Remarks Displayed when error is detected Judgment and action 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 Lock of indoor fan or trouble on the indoor fan circuit All off Displayed when error is detected Check the motor When the motor is normal check PC board Not displayed Trouble on other indoor PC boards Operation continues Displayed when error is detected Replace P C board Connecting cable and serial signal Return serial signal is not sent to indoor side from operation started 1 Defective wiring of connecting cable 2 Operation of compres sor thermo Gas shortage Gas leak Operation continues 90 Flashes when trouble is detected on Return serial signal and normal status when signal is reset 1 When the outdoor unit never operate 1 Check connecting cable and correct if defective wiring 2 Check 25A fuse of inverter PC board 3 Check 3 15A of inverter P C board To display Other block during operation check co
125. make sure that the water is being drained outside When connecting extension drain hose insulate the connection part of extension drain hose with shield pipe Shield pi ie cove 7 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 Drain hose Inside the room N Extension drain hose 2 Swing the indoor unit to right and left to confirm Fig 10 3 22 that it is firmly hooked on the installation plate 3 While pressing the indoor unit onto the wall hook it at the lower part on the installation plate CAUTION Pull the indoor unit toward you to confirm that it is Install the drain pipe for proper drainage firmly hooked on the installation plate Improper drainage can result in water dripping Hook here inside the room Installation pate This air conditioner has been designed to drain water collected from condensation which forms on Push unhook the back of the indoor unit to the drain pan Fig 10 3 19 Therefore do not locate the power cord and other parts at a high place than the drain guide e For detaching the indoor unit from the installation plate pull the indoor unit toward you while pushing the bottom up at the specified places Wal Drain guide Space for pipes Push Push Fig 10 3 20 Fig 10 3 23 79 10 4 Outdoor Unit 10 4 1 Accessory and Installation Parts Outdoor unit instal
126. ment display of error e 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 e Compressor operation control e Operation control of outdoor fan motor e PM V control e 4 way valve control 48 e Detection of inverter input current and current release operation e Over current detection and prevention operation to IGBT module Compressor stop function e 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 e Transferring of operation information Serial signal from outdoor unit controller to indoor unit controller e Detection of outdoor temperature and operation revolution control e Defrost control in heating 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 e Operation mode set on the remote controller e Compressor revolution command signal defined by indoor temperature and set temperature Correction along with variation of room tempera ture and correction of indoor heat exchanger temperature are added e Temper
127. mperature 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 15 minutes lt Returning from defrost operation gt 1 Stop operation of the compressor for approx 50 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 Operation flow and applicable data etc 9 Louver control This function controls the air direction of the indoor unit 1 Louver e The position is automatically controlled according to the operation mode COOL HEAT position e 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 49 upward 1 Louver position in cooling operation Louver angle oo Cooling operation Powerful AUTO COOL DRY Room temp Ta lt Set temp Tsc 3 5 Room temp Ta gt Set temp Tsc 3 5 Kee A Kee Initial setting of Cooling storage position Initial setting of Cooling storage position Inclined blowing Louver Directs downward 9 Louver Directs downward 9 Louver Directs downward 14 Cooling AUTO Room temp
128. mpressor thermo operation and supply gas check gas leak also Unit operates normally during check If return serial signal does not stop between indoor terminal board 2 and 3 replace inverter PC board If signal stops between indoor terminal board 2 and 3 replace indoor P C board Block distinction Operation of diagnosis function Air Judgment and action conditioner Remarks 9 status Check code Block Cause of operation Outdoor P C Inverter over current All off Displayed when Even if trying operation again all error is detected board protective circuit operates Short time operations stop immediately Replace P C board Position detect circuit error or short circuit between windings of compressor All off Displayed when error is detected 1 Even if connecting lead wire of compressor is removed position detect circuit error occurred Replace P C board Measure resistance between wires of compressor and perform short circuit Replace compressor Even if trying operation again all operations stop immediately Replace P C board Check 5 serial LED 1 Check sensors TE TS 2 Check P C board Current detect circuit All off Displayed when error error is detected ahl wm Being out of place All off disconnection or short circuit of the outdoor temp sensor Ts Displayed when error is detected Gm mn wn a emm emm mm
129. mpressor speed e Control of the compressor speed The speed control is performed as described in the left table based upon If the operation is performed with lower speed than one the discharge temperature commanded by the serial signal speed is slowly raised up to the commanded speed Keeps the compressor speed Operates with speed commanded by the serial signal G Operation flow and applicable data etc Description 14 Pulse motor This function controls throttle amount of the 1 When starting the operation move the valve PM V refrigerant in the refrigerating cycle valve once until it fits to the stopper control According to operating status of the air conditioner Initialize this function also controls the open degree of valve In this time Click sound may be with an expansion valve with pulse motor heard 2 Adjust the open degree of valve by super heat amount SH control 3 If the discharge temperature was exces sively up adjust the open degree of valve so that it is in the range of set tempera ture Discharge temp control 4 When defrost operation is performed the open degree of valve is adjusted accord ing to each setup conditions during Move to preparation for defrost and during defrost initial position operation 4 way valve is inversed 5 To turn off the compressor while the air conditioner stops by control of the Compressor ON thermostat or by remote controller a
130. n pressing ECO 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 However the first correction is performed 150 seconds after start of the operation Time correction Room temp Set temp 1 zone min 1 DRY max COOL min 6 x 5 COOL min DRY max COOL min 6 x 4 COOL min DRY max COOL min 6 x 3 COOL min DRY max COOL min 6 x 2 COOL min DRY max COOL min 6 x 1 COOL min lt Heating operation gt 30 minutes Time Compressor B zone 16 to 42 Hz 60 Description lt Cooling operation gt 1 The room temperature Tao at the start time of DRY operation is detected 2 According to difference between the room temperature and the set temperature Tsc the operation starts with the condi tions shown in the left figure Set temp Tsc Set temp on remote controller Ts 0 0 to 1 0 3 If the room temperature is down by 2 C or more turn off the compressor lt Heating operation gt 1 The indoor fan speed is con trolled within W7 as maximum value 2 Setting the compressor speed to Max 42 Hz the temperature zone in which the operation
131. ndoor unit controller and transferred to the controller of the outdoor unit 2 When strong wind blows at outdoor side the operation of air conditioner continues with the fan motor stopped 3 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 4 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 50 3 62 8 63 4 Outdoor temp sensor TO 1 to 2 units TO lt 38 C 1 to 2 units TO 38 C Econo operation TO lt 38 C TO is abnormal Heating operation Compressor revolution rps Outdoor temp sensor TO 2 5 C TO TO lt 5 C E TO 25 Econo operation TO lt 5 C TO is abnormal 55 TO Outdoor temp sensor Operation flow and applicable data etc 4 Capacity 1 Four indoor units from A to D determine the respective instruction revolutions from the differ control ence between the remote controller setting temperature Ts and the indoor temperature Ta and transmit this to the outdoor unit 2 The outdoor unit receives the instructions from the indoor units and the inverter operates the compressor at the calculated revolutions 3 The compressor operation range in each operating mode is shown in the left table
132. nizer ionized YES wire units dirty NO Is an abnormal sound cracking noise heard from the electrode 98 Be sure not EN to contact to the gray NOTE part or not to touch the ionized cables To item Only indoor fan does not operate Replace the main P C board MCC5020 How to check output of the air purifier lt Caution on High Voltage gt Collector High voltage tester Replace the high voltage generator No trouble 11 6 2 How to Check Whether the Minus lon Generator is Good or Not Turn off the power breaker once and turn on again after 10 seconds E NO Sei d Does the OPERATION indicator flash To item Power supply is not turned on YES Turn off the power breaker and remove CN34 Micro switch connector Short circuit between 1 and 2 pin of CN34 at PC side and turn on the power breaker after 10 seconds Is DC12V applied between BEE 2V and Brown GND of CN1 of the high voltage generator in the air purifier NO Replace the power P C board MCC5020 or the housing assembly Primary check YES Is there conduction of micro switch connector under OFF status of the micro switch Front panel opened Micro switch is stuck Replace micro switch Is there conduction of micro switch connector under ON status of the micro switch Front panel closed YES Mic
133. nnecting piping condition 5 meters x 4 units 5m each indoor unit 43 Outdoor Unit RAS 3M26GAV E lt Heating gt Temperature condition Indoor Outdoor NOTES No of operating units 2 units Operating combination Unit Standard A pressure P MPa 2 6 to 2 8 Heat exchanger pipe temp 44 to 46 Outdoor fan Compressor revolution rps 3 3 to 3 5 52 to 54 3 5 to 3 7 2 7 to 2 9 55 to 57 45 to 47 2 8 to 3 0 45 to 47 2 9 to 3 1 46 to 48 2 9 to 3 1 46 to 48 3 1 to 3 3 47 to 49 3 3 to 3 5 2 3 to 2 5 50 to 52 38 to 40 2 3 to 2 5 38 to 40 2 3 to 2 5 38 to 40 2 3 to 2 5 38 to 40 2 3 to 2 5 38 to 40 2 3 to 2 5 38 to 40 2 3 to 2 5 38 to 40 2 5 to 2 7 37 to 39 2 5 to 2 7 37 to 39 1 Measure surface temperature of heat exchanger pipe around center of heat exchanger path U bent Thermistor themometer 2 Connecting piping condition 5 meters x 4 units 5m each indoor unit A4 8 1 Indoor Unit 8 CONTROL BLOCK DIAGRAM RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E Heat Exchanger Sensor Tc Room Temperature Sensor Ta Infrared Rays Signal Receiver and Indication Clock Frequency Oscillator Circuit J M C U Indoor Unit Control Unit Functions e Cold draft preventing Function e 3 minute Delay at
134. nsumption Ww 750 640 to 950 Operating current A 3 87 3 68 to 4 64 Outdoor noise dB 3 7 1 4 to 4 4 1200 640 to 1520 5 74 3 68 to 7 20 4 5 1 4 to 5 0 5 4 2 5 to 6 3 1650 640 to 2000 1530 640 to 2040 7 81 3 68 to 9 28 7 10 3 64 to 9 46 5 9 2 7 to 6 6 1810 660 to 2220 8 40 3 75 to 10 30 6 3 2 9 to 6 9 2040 670 to 2400 9 46 3 81 to 11 13 6 3 2 9 to 6 9 2040 670 to 2400 9 46 3 81 to 11 13 6 8 3 0 to 7 2 2320 690 to 2570 10 76 3 92 to 11 92 7 2 3 2 to 7 5 7 6 3 8 to 8 2 2550 700 to 2750 2400 950 to 2720 11 83 3 98 to 12 76 11 13 4 80 to 12 62 7 7 3 9 to 8 3 2410 960 to 2740 11 18 4 85 to 12 71 7 7 4 0 to 8 5 2410 960 to 2790 11 18 4 85 to 12 94 7 7 4 0 to 8 5 2410 960 to 2790 11 18 4 85 to 12 94 7 8 4 1 to 8 6 2430 970 to 2810 11 27 4 90 to 13 03 7 8 4 1 to 8 6 2430 970 to 2810 11 27 4 90 to 13 03 7 9 4 1 to 8 7 2440 970 to 2830 11 32 4 90 to 13 13 7 9 4 1 to 8 7 2440 970 to 2830 11 32 4 90 to 13 13 7 9 4 2 to 8 9 2440 970 to 2880 11 32 4 90 to 13 36 8 0 4 3 to 9 0 7 9 4 0 to 8 7 2450 980 to 2900 2450 930 to 2800 11 36 4 95 to 13 45 11 36 4 70 to 12 99 7 9 4 1 to 8 8 2450
135. nt from the refrigerant cylinder to the equipment charge it turning the cylinder upside down if cylinder is not equipped with siphon Cylinder with siphon Cylinder without siphon Gauge manifold Gauge manifold OUTDOOR unit OUTDOOR unit JapuljAo Refrigerant juesab oy cylinder Electronic balance Siphon R410A refrigerant is HFC mixed refrigerant Therefore if it is charged with gas the composi tion of the charged refrigerant changes and the characteristics of the equipment varies 3 5 Brazing of Pipes Fig 3 4 2 1 Phosphor bronze brazing filler tends to react 3 5 1 Materials for Brazing with sulfur and produce a fragile compound 1 Phosphor bronze brazing filler water solution which may cause a gas Silver brazing filler leakage Therefore use any other type of Silver brazing filler is an alloy mainly composed brazing filler at a hot spring resort etc and of silver and copper It is used to join iron copper coat the surface with a paint or copper alloy and is relatively expensive though 2 When performing brazing again at time of it excels in solderability servicing use the same type of brazing filler Phosphor bronze brazing filler is generally used to join copper or copper alloy 3 5 2 Flux Low temperature brazing filler 1 Reason why flux is necessary Low temperature brazing filler is generally called e By removing the oxide film and a
136. ny foreign solder and is an alloy of tin and lead Since it is matter on the metal surface it assists the flow weak in adhesive strength do not use it for of brazing filler refrigerant pipes In 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 S30 2 Characteristics required for flux e 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 harm less 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 to the type and shape of treated metal type of brazing filler and brazing method etc 3 Types of flux e Noncorrosive flux Generally it is a compound of borax and boric acid It is effective in case where the brazing tem perature 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 an
137. o 8 8 980 to 2920 4 54 to 12 41 7 5 2250 9 57 4 2 to 8 9 980 to 2950 4 54 to 12 54 e The above specification values are those under the conditions that the indoor DB WB 27 19 C and the outdoor DB WB 35 C E Outdoor Unit RAS 3M26GAV E lt Heating 220V gt Operatin Indoor unit Unit capacity kW Heating Power Operating Outdoor Sr i g r r l capacity consumption current noise status A kW W A dB 4 0 1500 6 96 0 8 to 5 2 300 to 1980 1 87 to 9 18 5 0 2050 9 51 0 8 to 6 5 310 to 2750 1 93 to 12 76 5 5 2400 11 13 0 8 to 6 9 310 to 3000 1 93 to 13 91 7 2 2050 9 51 eunis 1 5to 10 0 320 to 3200 1 94 to 14 84 7 6 2240 10 39 1 5 to 10 1 320 to 3210 1 94 to 14 89 7 9 2380 11 04 1 5 to 10 1 320 to 3230 1 94 to 14 98 7 9 2380 11 04 1 5 to 10 1 320 to 3230 1 94 to 14 98 8 3 2560 11 87 1 5 to 10 2 320 to 3240 1 94 to 15 03 8 6 2700 12 52 eae 1 5to 10 2 320 to 3250 1 94 to 15 07 8 6 2300 10 67 2 0 to 10 4 380 to 2750 2 16 to 12 76 8 7 2360 10 95 2 0 to 10 5 380 to 2760 2 16 to 12 80 8 8 2430 11 27 2 0 to 10 6 380 to 2780 2 16 to 12 89 8 8 2430 11 27 2 0 to 10 6 380 to 2780 2 16 to 12 89 8 8 2430 11 27 2 0 to 10 6 380 to 2780 2 16 to 12 89 8 8 2430 11 27 2 0 to 10 6 380 to 2780 2 16 to 12 89 8 9 2490 11 55 2 0 to 10 7 380 to 2790
138. og of Pipe D MISWIRING MISPIPING Miswiring Mispiping or Crush Clog of Pipe A B CHECK CONNECTOR Color RED Miswiring Mispiping or Crush Clog of Pipe A C Check mode Short gt Open Miswiring Mispiping or Crush Clog of Pipe A D Normal operation Short Result of Miswiring Mispiping or Crush Clog of Pipe B C Fig 10 4 18 judgement Miswiring Mispiping or Crush Clog of Pipe B D Miswiring Mispiping or Crush Clog of Pipe C D a LED Light Emitting Diode LED ON A B C Miswiring Mispiping LED OFF A B D Miswiring Mispiping LED FLASH zl 4 units Multi model only A C D Miswiring Mispiping e aj a a 8 ee a aj aj e ee a ee ee o aje aja e aa ee ae ee no e e aa a a ee aje a ee ee a ee ee oo aja ae a aje a ee ee a ee ee ee B C D Miswiring Mispiping a a a a keeps closed 85 A B C D Miswiring Mispiping packed valve Self Diagnosis by LED Indication e For this outdoor unit the self diagnosis is possible by using five LEDs 1 Yellow 4 Red LEDs D800 to D804 are provided on P C board of the inverter
139. om 2 zt E Bottom right Je 2 m Z ER Right m O Fig 10 3 10 1 Die 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 side of thefront panel for the bottom left or right connection with a pair of nippers 2 Changing 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 How to remove the drain cap Clip drain cap with needle nose pliers and pull out zl H A S bw d Fig 10 3 11 How to remove the drain hose The drain hose is secured in place by a screw Remove the screw securing the drain hose then pull out the drain hose Drain hose Fig 10 3 12 is How to attach the drain cap In case of bottom right or bottom left piping 1 Insert hexagonal wrench 4 mm e 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 E Fig 10 3 16 4 mm Fig 10 3 13 Left hand connection with piping 2 Firmly insert drain cap Bend the connecting pipes so that they are posi tioned within 43 mm above the wall surface If the connecting pipes are positioned more than 43 mm ab
140. ome electrical parts burn out Be sure to use the cord clamps specified positions with attached to the product Do not damage or scratch the conductive core and inner insulator of power and inter connect ing cables when peeling them Be sure to comply with local cords on running the wire from outdoor unit to indoor unit size of wire and wiring method etc Use the power cord and Inter connecting cable with specified thickness specified type and protective devices specified Stripping length power cord and connecting cable Luc DEA 10 1 Y 10 i i Ri SA Ke A A Les 40 Res A0 30 30 f Earth line Earth line Power cord Connecting cable Fig 10 4 16 10 4 9 Check and Test Operation 84 For R410A use the leak detector exclusively manufactured for HFC refrigerant R410A R134a etc The conventional leak detector for HCFC refriger ant R22 etc cannot be used because its sensi tivity for HFC refrigerant lowers to approx 1 40 Pressure of R410A becomes approx 1 6 times of that of R22 If installation work is incompletely finished a gas leakage may occur in the cases such as pressure rise during operation Therefore be sure to test the piping connections for leaking Flare nut connections Indoor unit e Service port cap connection NX Pare nut connections r unit e Valve stem cap Outdoor unit connection Fig 10 4 17 Check the flare nut connect
141. onnection 1 Remove the side panel and cord clamp from the outdoor unit 2 Connect the connecting cable to the terminal as identified by the matching numbers on the terminal block of indoor and outdoor unit 3 Insert the power cord and the connecting cable fully into the terminal block and secure it tightly with screws 4 Insulate the unused cords conductors from water entering in the outdoor unit Locate them so that they do not touch any electrical or metal parts 5 Secure the power cord and the connecting cable with the cord clamp 6 Attach the side panel on the outdoor unit 293 3 units A B C Multi Terminal block Connecting cable Gp gp HP HP HP HoE HP EP Jo Screw CT Joie Jo OL Jo OL JO Connecting cable unit Connecting cable Connecting cable A unit C unit Fig 10 4 14 Power cord 4 units A B C D Multi Terminal block Connecting cable ge ge ip GP GP HOO HP He GE ip HP Hof tip Screw OT oul Jo OL OI IO OI Io Connecting cable Connecting cable unit unit Connecting cable Connecting cable Power cord A unit C unit Fig 10 4 15 CAUTION Wrong wiring connection may cause s
142. operty damage if the 15 cm out of the front unit falls 5 Insert the connecting cable fully into the terminal block and secure it tightly with screws e In case of block brick concrete or similar type 6 Tightening torque 1 2 Nem 0 12 kgfem walle am Sela MOIS IE wall 7 Secure the connecting cable with the cord clamp ER EES 8 Attach the terminal cover rear plate bushing and NOTE air inlet grille on the indoor unit e Install the installation plate using mounting screws between 4 to 6 being sure to secure all four corners 76 CAUTION e Be sure to refer to the wiring system diagram labeled inside the front panel e Check local electrical regulations for any specific wiring instructions or limitations Terminal cover D Screw Screw Cord clamp Terminal block Earth wire Connecting cable Terminal block Fig 10 3 7 Connecting cable About 15 cm Fig 10 3 8 70 mm 10mm Earth line es SS ee AN 10mm 50 mm Fig 10 3 9 NOTE WIRE TYPE more than HO7 RN F or 245 IEC 66 1 0mm 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 ight gt Rear left gt gt p S Eo S Bottom left m _ Sc m ES 5 Ek D Left mp og O
143. ottom front e After assembling the two hooking claws of the motor band right into the main body position the fan motor insert it and then secure the motor band right using the two fixing screws U groove siid Remarks 12 2 Microcomputer Part name Procedure Remarks Common procedure 1 Turn the power supply off to stop the Replace terminal block operation of air conditioner microcomputer ass y and the 2 Remove the front panel P C board ass y e Remove the 2 fixing screws 3 Remove the electrical part base lt P C board layout gt ROS LO1 C01 CN23 FUSE R04 RO1 CN10 IC01 C20 ICO3 J04 115 12 3 Outdoor Unit No Part name Procedure Remarks Common 1 Detachment procedure 1 Stop operation of the air conditioner and turn OFF the power breaker Air outlet panel 2 Remove the side panel 04 x 10L 3 pcs ran Ge 3 Remove the cord clamp 4 x 14L 5 x2 10 pes Side panel Disconnect the connecting cables and power cord from the terminals 4 Remove the upper panel 4 x 10L 6 pcs 5 Remove the front panel 04 x 10L 3 pcs 6 Remove the back panel 04 x 10L 6 pcs Front panel 7 Remove the air outlet panel 34 x 10L 8 pcs Gi Inverter Detachment assembly 1 Perform work from item 1 to 5 of 2 Remove screw ST1T 4 x 10L 1 pc of the upper left part of the inverter cover e If removing the inverter cover in this condi tion P
144. ove nut fixing the compressor on the Partition board e bottom plate Valve clamping plate Compressor thermo Compressor Reactor 1 Perform work from item 1 to 5 of and 2 Remove screws fixing the reactor 4 x 10L 2 pes for one reactor One outdoor Reactor unit has two reactors on the partition LY SE 2 LE Ht De 2 Ge Snes No Part name Procedure Remarks Pulse motor 1 Detachment valve coil 1 Perform work of item and Positioning bracket ae PMV coil at coil side 2 Release the coil from the notch by turning it ee and remove coil from the pulse motor valve jake out port 2 Attachment 1 Put the coil deep into the bottom position 2 Fix the coil firmly by turning it to the notch Positioning concavity position ID mark at PMV unit side 72 pitch The pulse motor valve has A B C and D room side After mounting it check that coil at B room side Nothing is marked on the pulse motor valve is connected to CN702 Check that coil at C room side Red marking is marked on the pulse motor valve is connected to CN703 Check that coil at D room side Blue marking is marked on the Mounting Method of pulse motor valve is connected to CN704 of Pulse Motor Valve PMV Coil the control board assembly respectively Set the positioning bracket on the PMV coil to a concavity at PMV unit side and fix PMV coil In this time m
145. ove the heat exchanger fixing holder by removing the two fixing screws used to secure it 5 Remove right side of the end plate from two fixing ribs while sliding slightly the heat exchanger rightward Hanged part aii Part name Bearing Procedures 1 Follow to the procedure in the items 2 Remove the two fixing screws used to secure the left edge panel of the heat exchanger and remove the two screws used to secure the bearing base 3 Raise the left side of the heat exchanger slightly and remove the bearing base lt Caution at assembling gt e If the bearing is out from the housing push it into the specified position and then incorporate it in the main body e After assembling the bearing base check that it is fitted into the stepped part of the drain pipe Deise Bearinglbase See Remarks Bearing base Screw e Bearing base Part name Fan motor Procedures 1 Follow to the procedure in the item 2 Loosen the set screw of the cross flow fan 3 Remove two fixing screws of the motor band Right and then remove the motor band Right 4 Pull the fan motor outward In assembling work install the fan motor as follows e When assembling the fan motor the fan motor must be installed in such a way that the fan motor leads will be taken out is positioned at the bottom front e After assembling the two hooking claws of the motor band right into
146. ove the wall surface the indoor unit may Do not apply lubricating oil be unstable refrigerant machine oil when inserting the drain cap When bending the connecting pipe make sure to If applied deterioration and use a spring bender to avoid crushing the pipe drain leakage of the drain Insert a hexagon x wrench amm P9 May occur Refer to the table below for the bending radius of each connection pipe Fig 10 3 14 Outer diameter Bending radius How to attach the drain hose Always use the original screw that secured the drain hose to the unit If using a different screw f may cause water to leak To connect the pipe after installation of the Insert the drain hose firmly until the connector unit figure contacts with the insulation then secure it in place using the original screw To the front flare NS Gas side CAUTION Liquid side Securely insert the drain hose and drain cap S I otherwise water may leak R30 or less 6 35 R40 or less O9 52 R50 or less O12 7 Use polishing polyethylene core or the like for bending pipe LS Outward form of indoor unit In case of right or left piping 9 oH e After making slits on the front panel with a knife or DEEN similar tool cut them out with a pair of nippers or gt Q Use a screwdriver handle etc an equivalent tool Fig 10 3 17 NOTE If the pipe i
147. pply 220 240 V 1 Ph 50Hz 220 V 1 Ph 60Hz Unit model RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Indoor Running current A 0 15 0 15 0 15 Power consumption W 30 30 30 Power factor 91 87 83 91 87 83 91 87 83 Se Unit model RAS 4M27GACV E Running current A 11 60 11 09 10 63 Outdoor Power consumption W 2500 Power factor 98 Starting current A 11 60 11 09 10 63 COP 3 20 Unit model RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E High dBA 42 43 45 Indoor S Operating Medium dB A 33 34 36 noise Low dB A 27 27 29 Outdoor Unit model RAS 4M27GACV E Full indoor units operating dBA 48 Unit model RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Height mm 250 250 250 Dimension Width mm 790 790 790 Indoor unit Depth mm 215 215 215 Net weight kg 9 9 9 Fan motor output W 30 30 30 Air flow rate m3 h 550 560 640 Unit model RAS 4M27GACV E Height mm 795 Dimension Width mm 900 Depth mm 320 Net weight kg 63 Outdoor unit Motor output W 2000 Compressor Type Twin rotary type with DC inverter variable speed control Model DA220A2F 20L Fan motor output W 60 Air flow rate m3 h High 3000 Medium 2800 Type Flare connection indoor Uni Unit model RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Liquid side Gas side 6 35 09 52 6 35 9 52 6 35 12 7 Unit model RAS 4M27GACV E A unit liquid side Gas side 6 35 012 7 Outdoor unit B unit liquid side Gas side 6 35 O9 52 En C unit liquid side Gas side 6 35
148. pressor reactivation P M V e Current release function e GTr over current preventive function e Defrost operation function 50 Operation flow and applicable data etc 1 Basic operation 2 Operating mode selection when performing 2 room operation 1 The outdoor unit operating mode conforms to the instructions of the indoor unit that was pressed 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 pressed first as shown in the following table 3 The indoor fan stops for the indoor unit that was pressed last and which instructions are ignored 4 When three or four indoor units are operated concurrently the priority is also given to operating mode of the indoor unit which was pressed first as same as the case when two indoor units are operated concurrently Indoor unit Set operating mode Actual indoor unit operation Actual outdoor unit operation Pressed first Cooling dry Cooling dry Pressed last Cooling dry Cooling dry Pressed first Heating Heating Pressed last Heating Heating Pressed first Fan solo air purification Fan solo air purification Pressed last Fan solo air purification Fan solo air purification Pressed first Fan solo air purification Fan solo air purification Pressed last Cooling dry Cooling dry Pressed first Cooling dr
149. ption Reception Remote range range controller Remote controller Axial distance Fig 10 3 1 10 3 2 Drilling a Hole and Mounting Instal lation Plate Drilling a hole When install the refrigerant pipes from the rear D The center of the f H ct 1 Od pipe hole r Fig 10 3 2 1 After determining the pipe hole position on the installation plate drill the pipe hole 065 mm at a slight downward slant to the outdoor side NOTE e 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 Mounting the installation plate Anchor bolt holes Pipe hole Indoor unit Mounting screw Installation plate Fig 10 3 3 75 When the installation plate is directly 10 3 3 Electrical Work mounted on the wall 1 The supply voltage must be the same as the rated voltage of the air conditioner 2 Prepare a power source for the exclusive use of the air conditioner 1 Securely fit the installation plate onto the wall by screws with the upper and lower catches that hold the indoor unit facing out 2 To mount the installation plate on a concrete wall NOTE use anchor bolts Drill the anchor bolt holes as e Wire type EES More than HO7RN F or 245IEC66 1 0mm 3 Install the installation plate horizontally and level CAUTION e This appliance can be connected to
150. r Evaporator Right 43062256 Cover Terminal 43062247 Cover Lead 43082293 Plate Installation 43068577 Remote Controller 43083071 Holder Remote Comtroller 43003307 Body Ass y Back 43070188 Hose Drain 43079268 Cap Drain 43080516 Electrical Air Purifying Filter 43080527 Generator Ass y HV 4308N732 Owner s Manual apa Indoor Unit 2 407 408 409 403 404 406 T En EEE Kb N kn 410 405 The parts in the following parts list are conformed to RoHS Therefore be sure to use the following parts for repairing and replacing Location Location Description No Description No 4306A123 Terminal Block 2P 4306S709 P C Board Ass y 43062263 Cover E Parts B10GKVP E M10GKCVP E 43050425 Sensor TC F6 4306S710 PC Board Ass y 43050426 Sensor TA B13GKVP E M13GKCVP E 4306S711 P C Board Ass y 43068728 PC Board Ass y WRS LED B16GKVP E M16GKCVP E 43051346 SW Micro Ass y 43067115 Clamp Cord 124 The parts in the following parts list are conformed to RoHS Therefore be sure to use the following parts for repairing and replacing Description SSC Description Location No 43005640 Cabinet Back Ass y 43047669 Nut Flange 43005641 Cabinet Side Ass y 43120213 Fan Propeller PJ491 43005639 Cabinet Front Ass y 4302C069 Motor Fan DC 43005643 Panel
151. r Not Turn off the power breaker once and turn on again after 10 seconds Does the OPERATION indicator flash N YES Turn off the power breaker and remove CN34 Micro switch connector Short circuit between 1 and 2 pin of CN34 at PC side and turn on the power breaker after 10 seconds Is DC12V applied between 1 Red DC12V and Brown GND of CN1 of the high voltage generator YES Is DC12V applied NO between 1 and 2 of CN33 of the main P C board MCC5020 Primary check To item Power supply is not turned on Is there conduction of micro switch connector under OFF status of the micro switch Front panel opened YES Replace the main P C board MCC5020 NO Is there conduction of micro switch connector under ON status of the micro switch Front panel closed YES NO Micro switch malfunction YES Micro switch is stuck 1 Check operation while short circuiting CN34 of the main P C board 2 Perform air purifying operation by the remote controller when a signal is received If time on the reactivation preventive timer is not shortened the high voltage is not applied to electrode of the air purifier for approx 1 hour e While the air purifier operates check that the fan speed AUTO is not displayed Because the power ON OFF is controlled on the program e In this time check that the remote controller is in status
152. ration gt motor control This operation controls the fan speed at indoor unit side Symbols The indoor fan cross flow fan is operated by the phase UH Ultra High control induction motor The fan rotates in 5 stages in H High MANUAL mode and in 5 stages in AUTO mode respec M Medium tively Table 1 M Medium L Low L Low L Low E UL Ultra Low SUL Super Ultra Low Fan speed setup MANUAL The fan speed broadly varies due to position of the louver etc The described value indicates one AUTO Indication Fan speed under condition of inclining LL We ee SE bere en setting the fan speed to L L a L M 2 L M M or H on the remote M WO controller the operation is performed with the constant M H 2 speed shown in Fig 1 WG 2 When setting the fan speed to AUTO on the remote controller revolution of the fan motor is controlled to the fan speed level shown in Fig 2 and Table 1 according to the setup tempera ture room temperature and heat exchanger temperature M WB 3 Fan speed M L x 3 4 L 4 Fan speed M L x 2 4 L 5 Fan speed M L x 1 4 L Linear approximation from M and L Table 1 Indoor fan air flow rate RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E Fan speed RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E level Fan speed Air flow rate Fan speed Air flow rate Fan speed Air flow rate rpm m h
153. ressure is about 1 6 times higher than that of R22 improper installation servicing may cause a serious trouble By using tools and materi als exclusive for R410A it is 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 condi tioner 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 refrig eration cycle Otherwise pressure in the refrig 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 in
154. rigerant 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 2 05 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 conven tional flare tool Flare processing dimensions differ according to the type of flare tool When using a con ventional flare tool be sure to secure dimen sion A by using a gauge for size adjustment Fig 3 2 1 Flare processing dimensions Table 3 2 3 Dimensions related to flare processing for R410A A mm Outer diameter mm Thickness mm Nominal diameter Flare tool for R410A Conventional flare tool clutch type Clutch typ
155. rmined by the duration of the operation performed prior to the e During clean operations The louver opens reception of the stop code slightly The indoor fan operates continuously at 3 After the clean operation has been a speed of 260 rpm performed for the specified period the Clean operation times unit stops operating Operation mode Operation time Clean operation time No clean operation Up to 10 minutes performed 0 minutes Cooling Auto cooling Dry From 10 minutes up to 1 hour 2 hours 1 hour or longer 4 hours Heating Auto heating Auto fan only No clean operation performed Shutdown e To stop an ongoing clean operation at any time Press the start stop button on the remote controller twice during the clean operation After pressing the button for the first time press it for the second time without delay within 10 minutes 64 Item Operation flow and applicable data etc 16 Clean operation Setting the clean operation release release Add J04 of the indoor P C board assembly J04 will be near the MCU so take This cancels the auto restart function steps to ensure that it will not be exposed to excessive levels of heat Also take care to avoid solder Hold down the auto operation switch on the indoor unit bridging with the surrounding for at least 3 seconds but not more than 10 seconds components The indoor unit s buzzer emits three beeps and
156. ro switch malfunction e Conduction check of micro switch Press the switch ON 1 Check operation while short circuiting CN34 of the main P C board Release the switch 2 Perform air purifying operation by the remote controller e In 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 If time on the reactivation preventive timer is not shortened the high voltage is not applied to electrode of the air purifier for approx 1 hour e While the air purifier operates check that the fan speed AUTO is not displayed Because the power ON OFF is controlled on the program 3 Be sure not to touch the electrode with the human body Does the indoor fan rotate NO To item Only indoor fan does not operate YES Does the PURE indicator Blue or NO the FILTER indicator Orange go on YES Does the PURE indicator go off within 2 seconds after YES it was ON and does the FILTER indicator Orange go on Replace the main P C board MCC5020 To item How to check whether the air purifier is good or not How to check output of minus ion Referring to the right figure check the lt Caution on High Voltage gt high voltage output of the air ionizer In this time peel the thermal insulator and attach B it to the original position af
157. room 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 conditioner operates the air conditioner and the air purifier start control Stop operation The air ion generator operates linked with the air purifying operation Operation button Present status PURE button Air conditioner Air purifier AC operation Air purifier only Stop All AC Air purifier Air conditioner AC Air purifier All stop Joint use of AC and air purifier AC operation All stop Air purifying operation Cooling position AUTO L L M M H AC Air purifying operation Follows to AC operation Follows to AC operation Air conditioner stops Operation lamp ON SW Memory position of louver COOL 2 Air purifier ON Air purifying operation Sending air purifier ON Ge Air conditioner operates Start of air purifier ON Air conditioner air purifier operate Air purifier operates Operation lamp OFF 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 1 Swing is available 2 Fan speed is Fan Auto mode varies in order M 1 gt L gt L gt SL Sending air purifier OFF
158. s 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 Fig 10 3 15 pipes and wrap the facing tape around them 78 CAUTION 10 3 7 Drainage Rn 1 Run the drain hose at a downward sloped angle Bind the auxiliary pipes two and connecting cable with facing tape tightly NOTE In case of leftward piping and rear leftward e Hole should be made at a slight downward slant piping bind the auxiliary pipes two only with on the outdoor side facing tape Do not rise the drain hose Do not form the drain hose into the waved shape Sn UX A g A AX X A y A LY Indoor unit Auxiliary pipes ON Connecting cable Fig 10 3 18 Installation plate AX Do not put the Do not put the drain Carefully arrange the pipes so that none of the ee ch ee Wen 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 Fig 10 3 21 insulating tape wound on the connecting pipe to avoid double taping at the joint moreover 2 seal the joint with the vinyl tape etc Since condensation can result in machine 3 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 Put water in the drain pan and
159. s the intermittent operation and starts continuous operation While heating operation is executed in two 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 A room Thermo ON continues 0 rpm Indoor fan Operates with setup number of revolution B room thermo OFF i B room thermo ON B room thermo ON Operated with setup number of revolution Thermo OFF Thermo ON Orpm Fan stop Fan stop Fan stop lt gt lt gt lt gt Ton gt Ton gt Ton 5 T off T off T off T on 2 min In case which Tc sensor temperature exceeds 55 C T off time in B room the fan stops intermittent operation and Tos 2 min starts continuous operation with UL or SUL 1 5 lt To lt 10 3 min 10 lt To 4 min mij 10 INSTALLATION PROCEDURE 10 1 Safety Cautions ZS 140 mm or more For the rear left and left piping Hook 47 mm or more Installation plate Insert the cushion between the indoor unit and wall and tilt the indoor unit for better installation work Cut the piping hole slightly sloped Shield pipe o for extension ES a drain hose Zeolite plus filter SS d E GE n Make sure the drain hose is DD SS gt sloped downward ELL sale Se g f Ly The auxi
160. so the charge port and packing for refrigerant cylinder require 1 2 UNF 20 threads per inch corresponding to the charge hose s port size 74 10 3 Indoor Unit 10 3 1 Installation Place e A place which provides enough spaces around the indoor unit as shown in the diagram e A place where there are no obstacle near the air inlet and outlet e A place which allows easy installation of the piping to the outdoor unit e A place which allows the front panel to be opened e The indoor unit shall be installed so that the top of the indoor unit is positioned at least 2m in height e Also avoid putting anything on the top of the indoor unit CAUTION e Direct sunlight on the indoor unit wireless receiver should be avoided e The microprocessor in the indoor unit should not be too close to r f sources For details see the owner s manual Remote controller e Should be placed where there are no obstacles such as curtains that may block the signal e Do not install the remote controller in a place exposed to direct sunlight or close to a heating source such as a stove e 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 e The location of the remote controller should be determined as shown below Side view lopview J Indoor unit lt Indoor unit Rece
161. sor 11 8 3 Indoor Unit Other Parts Checking procedure Disconnect the connector and measure the resistance value with tester Normal temp Remote controller Refer to 11 4 1 5 Louver motor MP24Z Measure the resistance value of each winding coil by using the tester Under normal temp 25 C Position Resistance value 380 400 Indoor fan motor 11 8 4 Outdoor Unit Part name Compressor Model DA220A2F 20L1 Refer to 11 4 1 3 and 4 Checking procedure Measure the resistance value of each winding by using the tester Position Resistance value Red White White Black Black Red 0 2 0 012 Under 20 C Outdoor fan motor Model ICF 140 63 2R Measure the resistance value of winding by using the tester Red 1 Yellow 4 Pink 5 Gray Position Resistance value Yellow Pink 5 to 20 kQ For details refer to Section 11 5 Black Compressor thermo Bimetal type Model US622KXTMQO Check conduction by using the tester Outdoor temperature sensor TO pipe temperature sensor TGa TGb TGc TGd discharge tempera ture sensor TD suction temperature sensor TS evaporator temperature sensor TE Disconnect the connector and measure resistance value with the tester Normal temperature lea Temperature TA TC kQ TO TE TS kQ TGa TGb TGc TGd kQ 104
162. ssible to detect the power supply voltage AC220 240V between and 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 Does fan motor YES continue to operate Start to operate indoor unit in cooling operation at airflow level LOW Is it possible to detect DC 1V or more between and O of motor connector CN10 YES NO Replace indoor fan motor Is it possible to detect DC 310 340V between and of motor connector CN10 NO Does indoor erate s me Turn off indoor unit and remove Motor connection condition connector from motor Is it possible to detect DC 15V Then push START STOP button between and O of on remote controller to stop motor connector CN10 flashing lamp on indoor unit Is it possible to detect DC 15V between Q and of motor connector CN10 Change airflow level Replace main to HIGH P C board Start to operate the indoor unit in except heating operation At this time is it possible to detect DC 1V or more between and of motor connector CN10
163. ter check operation i CH NOTE High voltage A Use an exclusive high voltage tester otherwise unit the tester may be broken x O o O c o Be a le Does the electrode YES output approx 6kV No trouble NO NO Replace the high voltage generator VE L t Gey Wy V High voltage tester 99 11 7 How to Diagnose Trouble in Outdoor Unit 11 7 1 Summarized Inner Diagnosis of Inverter Assembly Diagnosis Process flowchart Remove connector of compressor Check 25A fuse Part No F01 Replace fuse Check electrolytic capacitor diode block etc Check terminal voltage NG of electrolytic capacitor Check electrolytic capacitor diode block etc Does outdoor fan rotate Does LED on control board flash or go on Remove connector CN300 of outdoor fan motor and using a tester check resistance value between every phases at motor side Replace outdoor fan motor Table 11 7 1 Preparation Operation Measure ment Check Stop Check Measure ment Contents Turn OFF the power supply breaker and remove 3P connector which connects inverter and compressor e Check whether 25A fuse on the control board assembly is blown or not FO1 Turn on the power breaker and operate the air condi tioner in COOL mode by time shortening Measure terminal voltage of the electrolytic capacity 760UF 400WV x
164. the compres sor motor speed is restricted to Max 33 rps for 2 minutes and Max 57 rps for 2 minutes to 4 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 control Cool Dry or Heat operation cannot be performed 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 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 Firstly use the method 1 for diagnosis Then use the method 2 or 3 to dia
165. though activation is prompted Check operation within 2 minutes 20 seconds after activation stopped lt Output check of fan motor position detect signal gt While connecting connector 5P CN301 for position Summary OK if 10MQ or more OK if 0 20 under 20 C Check by a digital tester a One or two of three voltages should be 5V and others should be OV When all are OV or 5V it is not accepted detection using a tester measure voltage between When rotating the fan D slowly with hands the Between DN voltage between pins should move from OV to 5V Check it with an analog tester Replace control board Replace compressor 11 8 How to Check Simply the Main Parts 11 8 1 How to Check the P C Board Indoor Unit 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 PC 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 PC board hold the whole housing Do not pull at the lead wire 2 Inspection procedures 1 When a PC board is judged to be defective check for disconnection burning or discoloration of the copper foil pattern or this PC board 2 The PC board consists of the following 2 parts a Main P C board part DC power supply circuit 5V 12V 35V Indoor fan motor control
166. to 13 54 7 5 2250 10 44 4 2t0 8 9 980 to 2950 4 95 to 13 68 e The above specification values are those under the conditions that the indoor DB WB 27 19 C and the outdoor DB WB 35 C E Outdoor Unit RAS 3M26GAV E lt Cooling 230V gt Operatin Indoor unit Unit capacity kW Cooling Power Operating Outdoor Sr i g r r l capacity consumption current noise status A kW W A dB 2 7 750 3 71 1 4 to 3 2 640 to 950 3 52 to 4 44 3 7 1200 5 49 1 4 to 4 4 640 to 1520 3 52 to 6 88 4 5 1650 7 47 1 4 to 5 0 640 to 2000 3 52 to 8 87 5 4 6 79 i 1530 eunis 2 5 to 6 3 640 to 2040 3 48 to 9 05 5 9 1810 8 03 2 7 t0 6 6 660 to 2220 3 59 to 9 85 6 3 2040 9 05 2 9 to 6 9 670 to 2400 3 64 to 10 65 6 3 2040 9 05 2 9 to 6 9 670 to 2400 3 64 to 10 65 6 8 2320 10 29 3 0 to 7 2 690 to 2570 3 75 to 11 40 7 2 2550 11 31 3 2 to 7 5 700 to 2750 3 80 to 12 20 7 4 2230 9 89 3 8 to 8 2 950 to 2720 4 59 to 12 07 7 4 2230 9 89 3 9 to 8 3 950 to 2750 4 59 to 12 20 7 4 2230 9 89 4 0 to 8 5 950 to 2820 4 59 to 12 51 7 4 2230 9 89 4 0 to 8 5 950 to 2820 4 59 to 12 51 7 5 2250 9 98 4 0 to 8 6 980 to 2850 4 73 to 12 64 7 5 2250 9 98 4 0 to 8 6 980 to 2850 4 73 to 12 64 7 5 2250 9 98 4 1 to 8 8 980 to 2920 4 73 to 12 95 7 5 2250 9 98 4 1 to 8 8 980 to
167. to 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 interior 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
168. upply 3 Wires includes earth Interconnection 4 Wires includes earth Usable temperature Indoor Cooling Heating C 21 to 32 0 to 28 range Outdoor Cooling Heating C 10 to 43 5 to 24 Unit model RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E Installation plate 1 1 1 Wireless remote controller 1 1 1 Batteries 2 2 2 Remote controller holder 1 1 1 Indoor unit Zeolite plus filter 1 1 1 Accessory Plasma pure filter 1 1 1 Remote controller holder mounting screw 2 3 1 x 16L 2 03 1 x 16L 2 03 1 x 16L Owner s manual 1 1 1 Mounting screw 6 4 x 25L 6 O4 x 25L 6 04 x 25L Installation manual P 1 unit Outdoor Unit model RAS 4M27GAV E Installation manual 1 RAS 3M26GAV E 1 Specifications 1 P e For performance when each indoor unit is combined with other unit refer to the separate table e The specifications may be subject to change without notice for purpose of improvement zie lt Cooling Only Models gt RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E RAS 4M27GACV E Unit model Indoor RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Outdoor RAS 4M27GACV E Cooling capacity kW 8 0 Cooling capacity range kW 1 4 9 2 Heating capacity kW Heating capacity range kW Power su
169. ure an antifreeze heater locally for a safe installation of the air conditioner For details contact the dealer 2 SPECIFICATIONS The indoor and outdoor units that can be used in combination are shown in the tables below Table of models that can be connected Heat pump Outdoor unit RAS 3M26GAV E RAS 4M27GAV E RAS B10GKVP E Indoor unit RAS B13GKVP E RAS B16GKVP E RAS M10GKV E RAS M13GKV E RAS M16GKV E RAS M10GDV E RAS M13GDV E RAS M16GDV E Cooling only RAS 4M27GACV E RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E RAS M10GKCV E RAS M13GKCV E RAS M16GKCV E RAS M10GDCV E RAS M13GDCV E RAS M16GDCV E Table of models that can be used in combination Outdoor unit Combinations of indoor unit models that can be connected RAS 3M26GAV E Refer to page 17 to 22 Heat pump RAS 4M27GAV E Refer to page 8 to 13 Cooling only RAS 3M26GACV E Refer to page 14 to 16 A 1 room connection is not an option for the indoor units you cannot connect only one indoor unit Be sure to connect indoor units in two rooms or more The contents noted in this service manual limit the indoor units to the RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E RAS M10GKCVP E RAS M13GKCVP E and RAS M16GKCVP 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 M10GDV E RAS M10GD
170. used for nominal diameters 1 4 and 3 8 By increasing the clamp bar s receiving hole strength of spring in the tool Flare tool clutch type has been improved Gauge for projection adjustment Used when flare is made with using conventional flare tool Connected to conventional vacuum pump It is necessary to use an acapter to prevent vacuum pump ol from flowing pacs to the enarge hose aN e charge hose connecting part has two ports one for conventional Vacuum pump adapter E 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 Exclusive for HFC refrigerant e 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 e 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 86 11 HOWTO DIAGNOSE THE TROUBLE The pulse modulating circuits are mounted to both indoor and outdoor units Therefore diagnose 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 First Confirmation Primary Ju
171. utdoor temp C Outdoor temp C 2 2 3 Capacity Variation Ratio According to Pipe Length lt Cooling gt lt Heating gt 110 H H H H H H H 110 Standard pipe length 20m zi CH o are CH o Standard pipe length 20m e Q CH Je Conditions Indoor DB20 C i Outdoor DB7 C WB6 C D r Indoor air flow High i 4 units operating Je Conditions Indoor DB27 C WB19 C Outdoor DB35 C Indoor air flow High 4 units operating Kal CH Coolimg capacity ratio Heating capacity ratio oO a s0 10 20 30 40 50 60 70 80 805 10 20 30 40 50 60 70 80 Total pipe length m Total pipe length m 223 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 refrigerat ing 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 precautions 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 p
172. which is shortened by time on the reactivation preventive timer and all display indicators go on for approx 3 seconds 3 Be sure not to touch the electric dust collector ionizer or ionized wire unit with the human body Replace micro switch e Conduction check of micro switch Press the switch gt ON Release the switch N Does the indoor fan rotate 2 YES Does the PURE indicator Blue or NO the FILTER indicator Orange go on Is DC 5V to DC 10V applied between Brown Negative voltage and 2 Brown GND of CN33 of the main P C board Does the PURE indicator go off within 2 seconds after it was ON and does the FILTER indicator Orange go on YES YES Are the electric dust collector and ionizer dried Electrode check NO Dry the electric dust collector and ionizer x O o E Gi c o i a O YES Referring to the right figure check the high output voltage of the air filter unit Use an exclusive high voltage tester otherwise the tester may be broken YES Refer to items cleaning and check Is output of the ionizer for the electric dust collector ionizer approx 4 0 kV to 4 8 kV NO ionized wire units Is output of the collector When the ionized wire is approx 3 0 kV to 3 8 kV disconnected or when dirt is not cleaned even cleaned YES replace each nit Are the electric dust collector io
173. y Cooling dry Pressed last Fan solo air purification Fan solo air purification Pressed first Cooling dry Cooling dry Pressed last Heating Fan stopped Pressed first Heating Heating Pressed last Cooling dry Fan stopped Pressed first solo air purification Fan solo air purification Pressed last Heating Fan stopped Pressed first Heating Heating Pressed last solo air purification Fan stopped Pressed first eaning operation Cleaning operation Pressed last eaning operation Cleaning operation Pressed first eaning operation Cleaning operation Pressed last Cooling dry Cooling dry Pressed first Cooling dry Cooling dry Pressed last eaning operation Cleaning operation Pressed first eaning operation Cleaning operation Pressed last solo air purification Fan solo air purification Pressed first solo air purification Fan solo air purification Pressed last eaning operation Cleaning operation Pressed first eaning operation Cleaning operation Pressed last Heating Fan stopped Pressed first Heating Heating Pressed last eaning operation Fan stopped Cooling Heating Stopped Cooling Cooling Cooling Heating Stopped Heating Stopped Cooling Cooling Stopped Stopped Stopped Heating Cooling Heating operation The operations are performed in the following parts by controls according to coo

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