Page 2 - CONTENTS
– 1 – FILE NO. SVM-03008 CONTENTS 1. SPECIFICATIONS 1-1 Specifications 1-2 Operation Characteristic Curve 1-2 Capacity Variation Ratio According to Temperature 2. REFRIGERANT R410A 2-1 Safety During Installation/Servicing 2-2 Refrigerant Piping Installation 2-3 Tools 2-4. Recharging of Refrigerant2-...
Page 5 - -3. Capacity Variation Ratio According to Temperature; Capacity r
– 4 – FILE NO. SVM-03008 1-2. Operation Characteristic Curve <Cooling> <Heating> 7 6 5 4 3 2 1 0 Current (A) Compressor speed (rps) 0 20 40 60 80 100 • Conditions Indoor : DB 27 ° C/WB 19 ° C Outdoor : DB 35 ° C Air flow : HighPipe length : 5m 230V 7 6 5 4 3 2 1 0 Current (A) Compressor ...
Page 12 - Be sure to make setting so that liquid can be charged.; Phosphor bronze brazing filler tends to react
– 11 – FILE NO. SVM-03008 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.Accor...
Page 14 - CONSTRUCTION VIEWS
– 13 – FILE NO. SVM-03008 3. CONSTRUCTION VIEWS 3-1. Indoor Unit Connecting pipe (0.33m)Flare ∅ 9.52 Knock out system Back body Front panel Air outlet Air inlet Air filter Heat exchanger Knock out system 66 0 275 790 208 48 48 26 45 190 40 32 64 590 320 620 235 235 215 215 90 90 275 45 150 150 160 1...
Page 16 - Table 4-1-1 Simple Check for Failure Diagnosis; Refer to the service data for the detailed failure diagnosis.; Diagnosis Result; Check the power supply voltage between; Check Item; TERMINAL BLOCK
– 15 – FILE NO. SVM-03008 4. WIRING DIAGRAM 4-1. Indoor Unit Table 4-1-1 Simple Check for Failure Diagnosis Refer to the service data for the detailed failure diagnosis. 1 2 3 4 5 6 Diagnosis Result Check to see if the OPERATION indicator goes on and off when the mainswitch or breaker is turned on.(...
Page 17 - IGBT : Insulated Gate Bipolar Transistor; CM
– 16 – FILE NO. SVM-03008 4-2. Outdoor Unit 1 2 1 2 1 2 3 1 2 3 N L 3 2 BLK BLKP06 CN703 CN603 CN602 CN601 CN701 ORN WHI P.C. BOARD (MCC-813) DB01 Q200 G E A BU BRW EU BV EV BW EW BX BY BZ BLU P18 P21 P22 P23 RED WHI BLK P17 P19P20 P07P08 CT C12 C13 C14 P09 P10 ORN COMPRESSOR WHI YEL ORN BLU RED GR ...
Page 18 - SPECIFICATION OF ELECTRICAL PARTS
– 17 – FILE NO. SVM-03008 5. SPECIFICATION OF ELECTRICAL PARTS 5-1. Indoor Unit No. Parts name Type Specifications 1 Fan motor (for indoor) ICF-340-30-2 DC 340 V, 30 W 2 Thermo. sensor (TA-sensor) ——— 10 k Ω at 25 ° C 3 DC-DC transformer (T01) SWT-70 DC 390 V, Secondary DC 15 V, 12 V, 7 V 4 Microcom...
Page 19 - REFRIGERANT CYCLE DIAGRAM; INDOOR UNIT; Allowable height; OUTDOOR UNIT
– 18 – FILE NO. SVM-03008 6. REFRIGERANT CYCLE DIAGRAM 6-1. Refrigerant Cycle Diagram Note : • The maximum length of the pipe for this air conditioner is 15 m. The additional charging of refrigerant isunnecessary because this air conditioner is designed with charge-less specification. Deoxidized cop...
Page 21 - REMOTE CONTROL; CONTROL BLOCK DIAGRAM; Remote
– 20 – FILE NO. SVM-03008 REMOTE CONTROL Remote Control Operation (START/STOP) Operation Mode Selection AUTO, COOL, DRY, HEAT, FAN ONLY Temperature Setting Fan Speed Selection ON TIMER Setting OFF TIMER Setting Louver Auto Swing Louver Direction Setting ECO Hi power Filter Reset Infrared Rays 7. CON...
Page 22 - For INDOOR UNIT
– 21 – FILE NO. SVM-03008 7-2. Outdoor Unit (Inverter Assembly) 220 − 240 V 50/60 Hz MICR O-COMPUTER BLOCK DIA GRAM Over current sensor Driver circuit of P.M.V. Over current sensor Heat exchanger temp.sensor Suction temp. sensor Outdoor air temp. sensor Discharge temp. sensor Inddor unit send/receiv...
Page 23 - OPERATION DESCRIPTION
FILE NO. SVM-03008 – 22 – (1) Role of indoor unit controller The indoor unit controller judges the operationcommands from the remote controller andassumes the following functions. • Judgment of suction air temperature of theindoor heat exchanger by using the indoortemp. sensor (TA sensor) • Temperat...
Page 27 - Normal control; Current v
FILE NO. SVM-03008 – 26 – 8-2. Description of Operation Circuit • Turning [ON] the breaker flashes the operationlamp. (1Hz)This is the display of power-ON (or notification ofpower failure). • When pushing [START/STOP] button of theremote control, receive sound is issued from themain unit, and the ne...
Page 30 - Outside air temp; In starting
FILE NO. SVM-03008 – 29 – Fig. 8-2-8 (4) Defrost control 1) Detection of frost In heating operation, time duration while thecompressor operates is counted, and defrostoperation starts by any condition describedbelow. a. The counted time is 28 minutes or more, and status that temperature of the outdo...
Page 32 - TEMPORARY button
FILE NO. SVM-03008 – 31 – 8-3. Temporary Operation • Temporary Auto operation, existence of AutoRestart, and Temporary Cooling operation can beset by the TEMPORARY button of the indoorcontroller. Fig. 8-3-1 Table 8-3-1 8-3-1. Temporary auto operation • When the TEMPORARY button is pushed, theAuto op...
Page 35 - HIGH; AUTOA
FILE NO. SVM-03008 – 34 – 8-6. Remote Control and its Functions 8-6-1. Parts name of remote control 1 1 1 1 1 Infrared signal emitterTransmits a signal to the indoor unit. 2 2 2 2 2 START/STOP buttonPush the button to start operation.(A receiving beep is heard.)Push the button again to stop operatio...
Page 36 - remote control; indicates when the
FILE NO. SVM-03008 – 35 – • In the illustration, all indications are indicated for explanation.During operation, only the relevant indications will be indicated on the remote control. 8-6-2. Names and functions of indications on remote control [Display]All indications, except for clock time indicati...
Page 38 - INSTALLATION PROCEDURE; New Refrigerant Air conditioner Installation; For general public use; CAUTION; ) must be used for the power supply line of this air
– 37 – FILE NO. SVM-03008 9. INSTALLATION PROCEDURE 9-1. Safety Cautions CAUTION • THIS AIR CONDITIONER USES THE NEW HFC REFRGERANT (R410A), WHICH DOES NOTDESTROY THE OZONE LAYER. R410A refrigerant is apt to be affected by impurity such as water, oxidizing membranes, and oils becausethe pressure of ...
Page 39 - DANGER; FOR USE BY QUALIFIED PERSONS ONLY.; WARNING
– 38 – FILE NO. SVM-03008 DANGER • FOR USE BY QUALIFIED PERSONS ONLY. • TURN OFF MAIN POWER SUPPLY BEFORE ATTEMPTING ANY ELECTRICAL WORK. MAKE SUREALL POWER SWITCHES ARE OFF. FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK. • CONNECT THE CONNECTING CABLE CORRECTLY. IF THE CONNECTING CABLE IS CONNECTEDWRON...
Page 42 - Others; Owner’s manual
– 41 – FILE NO. SVM-03008 Part No. 1 2 3 Part name (Q’ty) Installation plate x 1 Wireless remote control x 1 Battery x 2 Part name (Q’ty) Remote control holder x 1 Zeolite filter x 1 Purifying filter x 1 Part No. 4 5 6 Part No. 7 8 9 Others Name Owner’s manual Installation manual Part name (Q’ty) Mo...
Page 43 - Exclusive for HFC refrigerant.
– 42 – FILE NO. SVM-03008 • Incidentally, the “refrigerant cylinder” comes with the refrigerant designation (R410A) and protector coating inthe U. S’s ARI specified rose color (ARI color code: PMS 507). • Also, the “charge por t and packing for refrigerant cylinder” require 1/2 UNF 20 threads per in...
Page 44 - A place which allows the front panel to be opened.; plate; When installing the refrigerant pipes from the rear.
– 43 – FILE NO. SVM-03008 9-2. Indoor Unit 9-2-1. Installation place • A place which provides the spaces around theindoor unit as shown in the above diagram. • A place where there is no obstacle near the air inletand outlet. • A place that allows easy installation of the piping tothe outdoor unit. •...
Page 47 - ; To connect the pipe after installation of the unit (figure); When bending a pipe, carefully do it not to crush it.
– 46 – FILE NO. SVM-03008 <How to fix the Drains Cap>1) Insert hexagonal wrench ( ∅ 4 mm) in a center head. Fig. 9-2-11 2) Firmly insert drains cap. Fig. 9-2-12 CAUTION Firmly insert the drain hose and drain cap;otherwise, water may leak. <In case of right or left piping> • After scribin...
Page 49 - Conventional
– 48 – FILE NO. SVM-03008 9-3-2. Refrigerant piping connection <Flaring> 1. Cut the pipe with a pipe cutter. Fig. 9-3-2 2. Insert a flare nut into the pipe, and flare the pipe. • Projection margin in flaring : A (Unit : mm) Fig. 9-3-3 Rigid (Clutch type) Imperial (wing nut type) <Tightening...
Page 51 - NOTE: Connecting cable; Model
– 50 – FILE NO. SVM-03008 <Stripping length of connection cable> Fig. 9-3-9 CAUTION • Wrong wiring connection may cause someelectrical par ts burn out. • Be sure to comply with local codes on runningthe wire from indoor unit to outdoor unit (size ofwire and wiring method etc). • Every wire mus...
Page 52 - Information
– 51 – FILE NO. SVM-03008 9-3-5. Gas leak test Fig. 9-3-10 • Check the flare nut connections for the gas leakwith a gas leak detector or soap water. 9-3-6. Test operation To switch the TEST RUN (COOL) mode, pushTEMPORARY button for 10 sec.(The beeper will make a shor t beep.) Fig. 9-3-11 9-3-7. Auto...
Page 53 - HOW TO DIAGNOSE THE TROUBLE; Troubleshooting Procedure
– 52 – FILE NO. SVM-03008 Inverter cover P. C. board (Soldered surface) Discharging position (Discharging period 10 seconds or more) Plug of soldering iron 10. HOW TO DIAGNOSE THE TROUBLE The pulse modulating circuits are mounted to bothindoor and outdoor units. Therefore, diagnose troublesaccording...
Page 55 - 0-3. Judgment by Flashing LED of Indoor Unit; Item
– 54 – FILE NO. SVM-03008 10-3. Judgment by Flashing LED of Indoor Unit While the indoor unit monitors the operation status of the air conditioner, if the protective circuit operates, thecontents of self-diagnosis are displayed with block on the indoor unit indication section. NOTES:(1) The contents...
Page 59 - 0-5. Judgment of Trouble by Every Symptom
– 58 – FILE NO. SVM-03008 10-5. Judgment of Trouble by Every Symptom 10-5-1. Indoor unit (Including remote contro) (1) Power is not turned on (Does not operate entirely) <Primary check>1. Is the supply voltage normal?2. Is the normal voltage provided to the outdoor unit?3. Is the crossover cab...
Page 62 - Do not disconnect the connector while the fan motor is rotating.
– 61 – FILE NO. SVM-03008 (4) Indoor fan motor automatically starts to rotate by turning on power supply. <Cause> The IC is built in the indoor fan motor. Therefore the P.C. board is also mounted to inside of the motor.If the P.C. board is soldered imperfectly or the IC is defective, the fan m...
Page 63 - Is transmission
– 62 – FILE NO. SVM-03008 Press START/STOP button. Is transmission mark indicated? Press RESET button on remote control with tip of pencil. Is receiver on indoor unit exposed to direct sunlight? Is there any thyristor fluorescent light nearby? Does indoor unit operate when moving remote control near...
Page 64 - (2) Outdoor unit stops in a little while after operation started.
– 63 – FILE NO. SVM-03008 Measure gas pressure. Gas shortage Pipe clogging Thermo operation of compressor Gas circulation amount is down. Gas leak 10-5-2. Wiring Failure (Interconnecting and serial signal wire) (1) Outdoor unit does not operate. 1) Is the voltage between indoor terminal block 2 and ...
Page 66 - 0-7. How to Diagnose Trouble in Outdoor Unit; Diagnosis/Process flowchart
– 65 – FILE NO. SVM-03008 10-7. How to Diagnose Trouble in Outdoor Unit 10-7-1. Summarized inner diagnosis of inverter assembly Diagnosis/Process flowchart Item Contents Summary Preparation Check Check Operation Measurement Check Stop Check Measurement If fuse was blown,be sure to check theelectroly...
Page 67 - ) When connecting or disconnecting the connec-
– 66 – FILE NO. SVM-03008 Check Operation → OK if 10M Ω or more → OK if 0.51 Ω → 0.57 Ω (Check by a digital tester.) a) One or two of three voltages should be 5 V,and others should be 0V.(When all are 0V or 5 V,it is not accepted.) b) When rotating the fan slowly with hands, thevoltage between pinss...
Page 70 - Part name; Measure the resistance value of each winding by using the tester.
– 69 – FILE NO. SVM-03008 1 Room temp. (TA) sensorHeat exchanger (TC) sensor 2 Remote control 3 Louver motorMP24GA 4 Indoor fan motor Disconnect the connector and measure the resistance value with tester.(Normal temp.) To item of How to judge whether remote control is good or bad of the Judgmentof t...
Page 71 - Case that product is good; Diode check; Mark; E G
– 70 – FILE NO. SVM-03008 1 Electrolytic capacitor 1. Turn OFF the power supply breaker. (For raising pressure, smoothing) 2. Discharge all three capacitors completely.3. Check that safety valve at the bottom of capacitor is not broken.4. Check that vessel is not swollen or exploded.5. Check that el...
Page 72 - 0-9. How to Simply Judge Whether Outdoor Fan Motor is Good or Bad; Outdoor fan motor does not rotate.; How to simply judge whether outdoor fan motor is good or bad
– 71 – FILE NO. SVM-03008 If the resistance value between 1 (Yellow lead) − 4 (Pink lead) of the connector (CN301 : Motor position detection) is 5k to 20k Ω , it is normal. If the resistance value between 1 (Red lead) − 2 (White lead) 2 (White lead) − 3 (Black lead) 3 (Black lead) − 1 (Red lead) of ...
Page 73 - HOW TO REPLACE THE MAIN PARTS; How to mount the front panel
FILE NO. SVM-03008 – 72 – 11-1. Indoor Unit 11. HOW TO REPLACE THE MAIN PARTS No. Part name Procedures Remarks 2 4-Screws 2 2 2 3 2 Screws 3 Drain guide 5 TC Sensor 6 Screws 4 2-Connectors 3 Left shaft 2 Center shaft How to remove the front panel1) Stop operation of the air conditioner and turn off ...
Page 74 - Reference line
FILE NO. SVM-03008 – 73 – 1) Remove the front panel, electrical part and the horizontal louver with the procedure 3 . 2) Remove the pipe holder on the rear side of the main unit. 3) Remove 2 screws of the heat exchanger on the base bearing side. 4) Remove 2 screws of the heat exchanger on the left s...
Page 75 - Cross flow fan
FILE NO. SVM-03008 – 74 – 1) Remove the front panel, electrical part, horizontal louver and the heat exchanger withthe procedure 4 . 2) Remove 2 screws of the band motor (L) and other 2 screws of the band motor (R) and thenremove the cross flow fan. 3) Loosen the set screw of the cross flow fan then...
Page 76 - ) Turn the power supply off to stop the operation; Top View
FILE NO. SVM-03008 – 75 – Fuse C01 T01 IC01 C02 R01 R04 CN10 C03 R05 L01 DB01 RY01 CN13 IC03 IC02 CN04 1) Turn the power supply off to stop the operation of air conditioner. 2) Remove the front panel. • Remove the 4 fixing screws. 3) Remove the electrical part base. 1 Commonprocedure 11-2. Microcomp...
Page 78 - polarity with screw-
FILE NO. SVM-03008 – 77 – 1) Perform work of item 1 of 1 . 2) Remove screw (ST1T ∅ 4 x 10 s 2 pc.) of the upper part of the front cabinet. • If removing the inverter cover in this condition,P.C. board can be checked. • If there is no space in the upper part of theupper cabinet, perform work of 2 . B...
Page 84 - EXPLODED VIEWS AND PARTS LIST
FILE NO. SVM-03008 – 83 – 12. EXPLODED VIEWS AND PARTS LIST 12-1. Indoor Unit (E-Parts Assy) Location Part Description No. No. 401 43T69319 Temperature Sensor, TC 10k Ω 25 ° C 402 43T60001 Terminal, 2P AC300V, 20A 403 43T69320 Temperature Sensor, TA 10k Ω 25 ° C Location Part Description No. No. 404...
Page 88 - TOSHIBA CARRIER CORPORATION
FILE NO. SVM-03008 – 87 – TOSHIBA CARRIER CORPORATION
