Toshiba RAS-13UAV-E Скачать руководство пользователя страница 38 | Manualshive

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9-2. Indoor Unit

9-2-1. Installation Place

• A place which provides the spaces around the indoor

unit as shown in the above diagram.

• A place where there is no obstacle near the air inlet

and outlet.

• A place which allows an easy installation of the

piping to the outdoor unit.

• A place which allows the front panel to be opened.
The indoor unit shall be installed as top of the indoor
unit comes to at least 2m height.
Also it must be avoided to put anything on the top of
the indoor unit.

CAUTION

• Direct sunlight to the indoor unit wireless

receiver should be avoided.

• The microprocessor in the indoor unit should not

be too close to r-f noise sources.
(For details, see the owner's manual.)

Remote controller

• A place where there are no obstacles such as a

curtain that may block the signal from the indoor unit.

• Do not install the remote controller in a place

exposed to direct sunlight or close to a heating
source, such as a stove.

• Keep the remote controller at least 1 m apart from

the nearest TV set or stereo equipment.
(This is necessary to prevent image disturbances or
noise interference.)

• The location of the remote controller should be

determined as shown below.

Mounting the Installation Plate

For installation of the indoor unit, use the paper
pattern on the back.

Fig. 9-2-1

9-2-2. Cutting a Hole and Mounting

Installation Plate

Cutting a Hole

When install the refrigerant pipes from the rear.

Fig. 9-2-2

1. After determining the pipe hole position on the

mounting plate (

), drill the pipe hole (Ø65 mm) at

a slight downward slant to the outdoor side.

NOTE :
• When drilling the wall that contains a metal lath, wire

lath or metal plate, be sure to use a pipe hole brim
ring sold separately.

(Top view)

Indoor unit

5m

5m

45

˚

45˚

Remote
controller

Reception
range

*

: Axial distance

Remote

controller

Reception
range

7m

Indoor unit

(Side view)

*

7m

75

˚

Fig. 9-2-3

When the installation plate is directly mounted
on the wall

1. Securely fit the installation plate onto the wall by

screwing it in the upper and lower parts to hook up
the indoor unit.

2. To mount the installation plate on a concrete wall

with anchor bolts, utilize the anchor bolt holes as
illustrated in the above figure.

3. Install the installation plate horizontally in the wall.

CAUTION

When installing the installation plate with mounting
screw, do not use the anchor bolt hole. Otherwise
the unit may fall down and result in personal injury
and property damage.

The center of the pipe
hole is above the arrow.

100mm

Pipe hole

Ø

65mm

Anchor bolt

Projection
15mm or less

5 mm dia. hole

Clip anchor
(local parts)

7 Mounting screw
Ø4 x 25

Fig. 9-2-4

Fig. 9-2-5

CAUTION

Failure to firmly install the unit may result in personal
injury and property damage if the unit falls.

• In case of block, brick, concrete or similar type

walls, make 5 mm dia. holes in the wall.

• Insert clip anchors for appropriate

mounting

screws.

NOTE :
• Install the installation plate using 4 to 6 pieces of

mounting screw securing four corners with screws.

Indoor unit

Weight

1

Installation
plate

2m or more from floor

Pipe hole

Pipe hole

62

85

82.5

170

Thread

Hook

Anchor bolt holes

Hook

Hook

7 Mounting screw

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Содержание RAS-13UAV-E

Страница 1: ... ILE NO A02 001 SPLIT TYPE RAS 13UKV E RAS 13UAV E PRINTED IN JAPAN Mar 2002 ToMo ...

Страница 2: ...4 WIRING DIAGRAM 15 5 SPECIFICATIONS OF ELECTRICAL PARTS 17 6 REFRIGERANT CYCLE DIAGRAM 18 7 CONTROL BLOCK DIAGRAM 20 8 OPERATION DESCRIPTION 22 9 INSTALLATION PROCEDURE 35 10 HOW TO DIAGNOSE THE TROUBLE 44 11 HOW TO REPLACE THE MAIN PARTS 63 12 EXPLODED VIEWS AND PARTS LIST 74 ...

Страница 3: ...ng m h Piping Type connection Indoor unit Liquid side Gas side Outdoor unit Liquid side Gas side Maximum length Per unit m Maximum chargeless length m Maximum height difference m Refrigerant Name of refrigerant Weight kg Wiring connection Power supply Interconnection Usable temperature range Indoor Cooling Heating C Outdoor Cooling Heating C Accessory Indoor unit Installation plate Wireless remote...

Страница 4: ... Conditions Indoor DB 20 C Outdoor DB 7 C WB 6 C Air flow High Pipe length 5m 230V RAS 13UKV E RAS 13UKV E Capacity ratio 100 3 5 kW RAS 13UKV E 105 100 95 90 85 80 75 70 65 60 55 50 32 34 36 38 40 42 33 35 37 39 41 43 Outdoor temp C Capacity ratio Conditions Indoor DB27 C WB19 C Indoor air flow High Pipe length 5m Current Limited Start RAS 13UKV E 120 110 100 90 80 70 60 50 40 30 20 10 0 10 9 8 7...

Страница 5: ...e pressure in the refrigeration cycle may become abnormally high so that a rupture or personal injury may be caused 5 After completion of installation work check to make sure that there is no refrigeration gas leakage If the refrigerant gas leaks into the room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur 6 When an air conditioning system charged...

Страница 6: ...re that water or dust does not enter the pipe interior that no other oil other than lubricating oils used in the installed air conditioner 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 P...

Страница 7: ...s mm 0 8 0 8 0 8 1 0 A mm Flare tool for R410A Conventional flare tool clutch type Clutch type Wing nut type 0 to 0 5 1 0 to 1 5 1 5 to 2 0 0 to 0 5 1 0 to 1 5 1 5 to 2 0 0 to 0 5 1 0 to 1 5 2 0 to 2 5 0 to 0 5 1 0 to 1 5 2 0 to 2 5 Table 2 2 4 Dimensions related to flare processing for R22 Nominal diameter 1 4 3 8 1 2 5 8 Outer diameter mm 6 35 9 52 12 70 15 88 Thickness mm 0 8 0 8 0 8 1 0 A mm F...

Страница 8: ...by the manufacturer If any other oil is used the lubricating oils may deteriorate and cause the compressor to burn out Table 2 2 7 Tightening torque of flare for R410A Reference values Fig 2 2 2 Relations between flare nut and flare seal surface Table 2 2 6 Flare and flare nut dimensions for R22 Nominal diameter 1 4 3 8 1 2 5 8 3 4 Outer diameter mm 6 35 9 52 12 70 15 88 19 05 Thickness mm 0 8 0 8...

Страница 9: ...lowing tools for R410A are required Tools whose specifications are changed for R410A and their interchangeability 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 No 1 2 3 4 5 6 7 8 9 10 Used tool Flare...

Страница 10: ...t s gas side Recover the refrigerant and check no refrigerant remains in the equipment For refrigerant charging see the figure below Connect the charge hose to the vacuum pump adapter Open fully both packed valves at liquid and gas sides 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 Wh...

Страница 11: ...er 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 Fig 2 4 2 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 2 5 Brazing of Pipes 2 5 1 Mate...

Страница 12: ...ective 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 ...

Страница 13: ...all 45 40 Hanger Hanger 90 150 160 160 150 Center line 32 90 Installation plate outline Minimum distance to wall 120 or more 275 190 45 40 32 620 235 235 215 215 66 or more Minimum distance to ceiling Hanger 321 Drain hose 0 54m Connecting pipe 0 43m Flare Ø6 35 Connecting pipe 0 33m Flare Ø9 52 Hanger For stud bolt Ø8 to Ø10 For stud bolt Ø6 26 60 Front panel 6 48 Knock out system Back body ...

Страница 14: ... attaching Fan guard Valve cover Earth terminal B leg part Hanger ø6 hole pitch Anchor bolt long hole pitch A leg part view Z Charging port 2 Ø6 hole 2 Ø6 hole 600 50 11 R15 36 310 296 600 50 11 R15 36 310 296 R 5 5 R 5 5 Detailed A leg part Detailed B leg part Outside line of product Outside line of product 600 310 B C A D 4 x Ø11 x 17U shape hole For Ø8 Ø10 anchor bolt Mounting dimensions of anc...

Страница 15: ...and the power supply circuit of the rated voltage Check for voltage at the No 1 pin on CN10 connector Check the DB01 R05 and C03 Table 4 1 1 Simple check for failure diagnosis Refer to the service data for the detailed failure diagnosis MAIN P C BOARD MCC 867 HEAT EXCHANGER SENSOR TC CN07 WHI CN13 WHI CN25 WHI CN08 HA JEM A MCC 861 INFRARED RAYS RECEIVING AND INDICATING PARTS POWER SUPPLY CIRCUIT ...

Страница 16: ...RELAY 1 1 2 2 1 1 2 2 TD 3 3 1 1 2 2 3 3 TO 1 1 2 2 TS 1 1 2 2 3 3 1 1 2 2 3 3 4 4 5 5 6 6 1 1 2 3 4 5 1 2 3 4 5 YEL PNK GRY 1 2 3 1 2 3 RED PUR P14 CN300 CN301 Q300 P13 P12 P11 P02 P03 P01 VARISTOR F04 FUSE T3 15A F01 FUSE T25A WHI BLK POWER SUPPLY 220 240V 50 60Hz TO INDOOR UNIT THERMOSTAT FOR COMPRESSOR CONVERTER MODULE IGBT MODULE REACTOR ELECTRONIC STARTER IGBT Insulated Gate Bipolar Transist...

Страница 17: ...Noise filter L01 DC DC transformer Reactor Outside fan motor Suction temp sensor TS sensor Discharge temp sensor TD sensor Outside air temp sensor TO sensor Heat exchanger temp sensor TE sensor Terminal block 6P Fuse Electrolytic capacitor Transistor module Compressor Compressor thermo Converter module Model name ADR2520 R15TB ADR2516 0R6TB SWT 43 CH 38 ICF 140 43 1 Inverter attached Inverter atta...

Страница 18: ...ng Refrigerant flow Heating INDOOR UNIT T1 TO Temp measurement Indoor heat exchanger Cross flow fan Deoxidized copper pipe Outer dia 6 35mm Thickness 0 8mm Sectional shape of heat insulator Allowable height difference 10m Allowable pipe length Max 15m P Pressure measurement Gauge attaching port Vacuum pump connecting port Strainer Pulse modulating valve at liquid side SEV15RC2 Ø1 5 x 200 Ø1 5 x 20...

Страница 19: ...Indoor Outdoor 27 19 35 Heat exchanger pipe temp T1 C T2 C 9 to 11 49 to 50 Model name 13UKV E Standard pressure P MPa 0 8 to 1 0 Indoor fan mode High Outdoor fan mode High Compressor revolution rps 77 Temperature condition C Indoor Outdoor 20 7 6 Heat exchanger pipe temp T1 C T2 C 42 to 44 0 to 3 Model name 13UKV E Standard pressure P MPa 2 5 to 2 7 Indoor fan mode High Outdoor fan mode High Comp...

Страница 20: ...Filter Filter Sign Display PRE DEF Sign Display Indoor Fan Motor Louver Motor Timer Display Operation Display Louver ON OFF Signal Powerful Display Heat Exchanger Sensor Temperature Sensor Infrared Rays Signal Receiver Initializing Circuit Clock Frequency Oscillator Circuit Power Supply Circuit Infrared Rays Remote Controller Operation START STOP Thermo Setting Fan Speed Selection ON TIMER Setting...

Страница 21: ...r Rotor position detect circuit Rotor position detect circuit PWM synthesis function Input current release control IGBT over current detect control Outdoor fan control High power factor correction control Inverter output frequency control A D converter function P M V control Discharge temp control 4 way valve control Signal communication to indoor unit P M V Pulse Modulating Valve M C U Micro Cont...

Страница 22: ...sor TC sensor Prevent freezing control Louver motor control Indoor fan motor operation control LED Light Emitting Diode display control Transferring of operation command signal Serial signal to the outdoor unit Reception of information of operation status Serial signal including outside temp data to the outdoor unit and judgment display of error 2 Role of outdoor unit controller Receiving the oper...

Страница 23: ...e outdoor unit If the current value with compressor motor speed instructed from indoor side exceeds the specified value the outdoor main circuit control section controls compressor motor speed by reduc ing motor speed so that value becomes closest to the command within the limited value 8 1 3 Power Factor Improvement Control Power factor improvement control is performed mainly aiming to reduce the...

Страница 24: ...ntrolled in five steps LOW LOW MED MED and HIGH If AUTO mode is selected the fan motor speed is automatically controlled by the difference between the preset tempera ture and the room temperature LOW LOW MED 2 MED MED HIGH 2 Table 8 1 2 Operation mode COOL DRY HEAT Fan mode H M L H M L RAS 13UKV E Motor speed Air flow rate rpm m h 1210 530 1010 420 810 330 780 320 1290 620 1110 470 930 380 HEAT Ta...

Страница 25: ...the compressor motor speed according to both the difference between the temperature detected by the room temperature sensor and the temperature set by TEMP button and also any change in room temperature When compressor has been activated or reactivated it operates with Max 41 rps for 2 minutes with Max 91 rps from 2 minute to 3 minutes and with Max 88 rps after 3 minutes passed When room temperatu...

Страница 26: ...aising operation speed 4 Control 4 D zone Slow down zone of motor speed When TD detect value is 108 C or higher operating motor speed is slowly down 5 Control 5 E zone Normal down of motor speed When TD detect value is 112 C or higher operating motor speed is down Air flow rate HIGH M MED L L UL SUL RAS 13UKV E rps 77 65 53 30 30 Zone Operation stop zone Normal down zone of motor speed Slow down o...

Страница 27: ...rates with a set air flow when selecting Low to High However to prevent cold draft revolution speed of the fan is restricted by indoor heat exchanger when air flow is AUTO Fig 8 2 7 and starting of FAN Manual Basic control 1 2 Approximate revolution speed of M and L to linear according to temperature Fig 8 2 6 Setting of air flow Cold draft preventing control The upper limit of fan revolution spee...

Страница 28: ...rature of the outdoor heat exchanger detected by the outdoor heat exchanger is 7 C or lower and temperature lowered by 2 5 C than the minimum value of the outdoor heat ex changer during 10 to 15 minutes count time continued for 2 minutes or more c The counted time is 34 minutes or more and status that temperature of the outdoor heat exchanger detected by the outdoor heat exchanger is 5 C or lower ...

Страница 29: ...RY button of the indoor controller TEMPORARY button Control OFF ON Temporary Auto operation start After pushing button Auto Restart control select for 3 seconds After pushing button Temporary Cooling for 10 seconds operation start Fig 8 3 1 Table 8 3 1 8 3 1 Temporary Auto Operation When the TEMPORARY button is pushed the Auto operation with set temperature fixed at 25 C starts Controlling is same...

Страница 30: ... 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 Motions The unit is on standby The unit starts to operate The green lamp is on After approx three seconds The unit beeps three times The lamp changes from and continues to operate green to orange If t...

Страница 31: ...e times If the unit is required to operate at this time push TEMPORARY button once more or use the remote controller to turn it on TEMPORARY button 0 3S 8 4 3 Power Failure During Timer Operation When the unit is in timer operation if it is turned off because of power failure the timer operation is cancelled Therefore set the timer operation again NOTE The Everyday Timer is reset while a command s...

Страница 32: ...mer button OFF Push this button to set the OFF timer 9 On timer button ON Push this button to set the ON timer 10 Reserve button SET Push this button to reserve time settings A receiving beep is heard 11 Cancel button CLR Push this button to cancel ON timer and OFF timer A receiving beep is heard 12 High power button Hi POWER Push this button to start the high power operation 13 Memory button MEMO...

Страница 33: ...utton the display changes in the sequence of 1 3 5 or 9h 1 Transmission mark This transmission mark indicates when the remote controller transmits signals to the indoor unit 2 Mode display Indicates the current operation mode AUTO Automatic control A Auto changeover control Cool Dry Heat Fan only 3 Temperature display Indicates the temperature setting 17 C to 30 C When you set the operating mode t...

Страница 34: ...the difference between the preset tempera ture and the room temperature is big the horizontal louver moves to the Hi POWER position automatically Then when the differ ence between them gets smaller the horizon tal louver returns automatically 3 Heating operation The preset temperature increases 2 C The value of the preset temperature on the remote controller does not change If the deference betwee...

Страница 35: ...RN OFF MAIN POWER SUPPLY BEFORE ATTEMPTING ANY ELECTRICAL WORK MAKE SURE ALL POWER SWITCHES ARE OFF FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK CONNECT THE CONNECTING CABLE CORRECTLY IF THE CONNECTING CABLE IS CONNECTED BY WRONG WAY ELECTRIC PARTS MAY BE DAMAGED CHECK THE EARTH WIRE IS NOT BROKEN OR DISCONNECTED BEFORE INSTALLATION DO NOT INSTALL NEAR CONCENTRATIONS OF COMBUSTIBLE GAS OR GAS VAPORS ...

Страница 36: ...e controller 3 Batteries Cover Before installing the wireless remote controller With the remote controller cover open load the batteries supplied correctly observing their polarity 1 Installation plate 6 Purifying filter 6 mm thick heat resistin gpolyethylene foam Bottom right Bottom left Right Rear left Rear right Left Cut the piping hole sloped slightly Wall For the rear left and left piping Do ...

Страница 37: ...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 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 By increasing the clamp bar s receiving hole strength of spring in the tool has been improved Used when flare is made by u...

Страница 38: ...e mounting plate drill the pipe hole Ø65 mm at a slight downward slant to the outdoor side NOTE When drilling the wall that contains a metal lath wire lath or metal plate be sure to use a pipe hole brim ring sold separately Top view Indoor unit 5 m 5m 45 45 Remote controller Reception range Axial distance Remote controller Reception range 7m Indoor unit Side view 7m 7 5 Fig 9 2 3 When the installa...

Страница 39: ...rminal block and secure it tightly with screws 6 Tightening torque 1 2 N m 12 kgf cm 7 Secure the connecting cable with the cord clamp 8 Fix the terminal cover rear plate bushing and air inlet grille on the indoor unit CAUTION Be sure to refer to the wiring system diagram labeled inside the front panel Check local electrical cords and also any specific wiring instructions or limitations Connecting...

Страница 40: ...ping After scribing slits of the front panel with a knife or a marking off pin cut them with a pair of nippers or an equivalent tool Fig 9 2 14 Slit Slit Fig 9 2 15 NOTE If the pipe is bent incorrectly the indoor unit may unstably be set on the wall After passing the connecting pipe through the pipe hole connect the connecting pipe to the auxiliary pipes and wrap the facing tape around them CAUTIO...

Страница 41: ...it prevent the admission of wind 4 Installation in the following places may result in trouble Do not install the unit in such places A place full of machine oil A saline place such as the coast A place full of sulfide gas A place where high frequency waves are likely to be generated as from audio equipment welders and medical equipment Fig 9 2 17 For detaching the indoor unit from the installation...

Страница 42: ...e 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 ...

Страница 43: ... this air conditioner If incorrect or incomplate wiring is carried out it will cause an ignition 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 which disconnects all poles and has contact separa tion of at least 3mm must be incorporated in the fixed wiring NOTE Connecting cable Wire type Mo...

Страница 44: ...then perform discharging Fig 10 1 10 1 First Confirmation 10 1 1 Confirmation of Power Supply Confirm that the power breaker operates ON normally 10 1 2 Confirmation of Power Voltage Confirm that power voltage is AC 220 230 240 10 If power voltage is not in this range the unit may not operate normally The pulse modulating circuits are mounted to both indoor and outdoor units Therefore diagnose tro...

Страница 45: ...h operation of the compressor the compres sor motor speed is restricted to Max 41 rps for 2 min utes and Max 91 rps for 2 minutes to 3 minutes respec tively after the operation has started If the set value is above the room temperature Cooling operation is not performed And check whether battery of the remote controller is consumed or not After selecting Cool or Heat mode select an operation mode ...

Страница 46: ...des can be confirmed on the remote controller for servicing OPERATION Green Flashing display 1 Hz OPERATION Green TIMER Yellow PRE DEF Orange Flashing display 5 Hz OPERATION Green PRE DEF Orange Flashing display 5 Hz OPERATION Green TIMER Yellow Flashing display 5 Hz OPERATION Green Flashing display 5 Hz Protective circuit operation for indoor P C board Protective circuit operation for connecting ...

Страница 47: ...f the indoor unit flashes continuously 5 times per 1 sec Push TIMER button If there is no fault with a code the indoor unit will beep once Pi and the display of the remote controller will change as follows Check the unit with all 35 check codes to as shown in Table 10 4 1 Push TIMER button to change the check code backward If there is a fault the indoor unit will beep for 10 seconds Pi Pi Pi Note ...

Страница 48: ...eration continues Operation continues Operation continues Remarks Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Flashes when trouble is detected on Return serial signal and normal status when signal is reset Flashes when trouble is detected on Operation command signal and normal status when signal is reset Judgme...

Страница 49: ... is detected Displayed when error is detected Air conditioner status All off All off All off All off All off All off Operation continues All off Operation continues All off All off All off Operation continues Judgment and action Even if trying operation again all operations stop immediately Replace P C board 1 Even if connecting lead wire of compressor is removed position detect circuit error occu...

Страница 50: ...n after removing motor Refer to Primary check or this problem is one step short of power P C board block Transfer swith IC IC01 for power supply or fan motor is defective Unit operates normally Replace main P C board Replace motor Is fuse F01 of indoor control board blown Microcomputer is defective NO NO NO NO NO NO NO NO YES YES YES YES YES YES YES YES YES YES YES NO NO To item of Power supply is...

Страница 51: ...t DC 1V or more between 5 and 3 of motor connector CN10 Start to operate the indoor unit in except heating operation At this time is it possible to detect DC 1V or more between 5 and 3 of motor connector CN10 Check this condition within 15 seconds after starting unit Start to operate the indoor unit in except heating operation At this time is it possible to detect DC 1V or more between 5 and 3 of ...

Страница 52: ...he cover of the fan motor lead wires 3 Check DC voltage with CN10 connector while the fan motor is rotating NOTE Do not disconnect the connector while the fan motor is rotating Use a thin test rod Indoor fan starts rotating when power supply is turned on Check output DC voltage of fan motor on P C board Measure voltage between 2 GND BLACK and 3 V line YELLOW of motor connector CN10 while indoor fa...

Страница 53: ...when moving remote controller near receiver or indoor unit Batteries are exhausted Does radio sound is affected by remote controller when a signal is transmitted at distance of 5 cm from radio Is transmission mark indicated P C board is defective Replace P C board Replace batteries Replace remote controller Normal oparation Remote controller is defective NO YES NO YES NO YES NO YES NO YES NO YES N...

Страница 54: ... block varied Confirm that transmission from indoor to outdoor is correctly performed based upon the following dia gram NOTE Measurement should be performed 2 minutes and 30 seconds after starting of the operation Be sure to prepare a diode for judgment Normal time Voltage swings between DC15 and 60V Abnormal time Voltage does not vary 2 Outdoor unit stops in a little while after operation started...

Страница 55: ...ogged Is positioning sound of valve sound hitting to stopper heard from valve when the air conditioner starts the operation after turning off power of the air conditioner once NOTE After all the operations stopped by the remote controller the power keeps being supplied to outdoor unit for approx 3 minutes If operating the air conditioner by remote controller again just after all the operations sto...

Страница 56: ...esistance approx 100Ω40W or soldering iron plug between terminals of the electro lytic capacitor 500µF of C14 with printed CAU TION HIGH VOLTAGE on P C board OK if 500µF DC280 to 380V Remove CN300 while pushing the part indicated by an arrow because CN01 is a connector with lock Resistance between phases should be approx 55 to 77Ω Should be 10MΩ or more Replace outdoor fan motor Remove connector o...

Страница 57: ...ing the connectors on the P C board hold the whole housing Do not pull at the lead wire 2 Inspection procedures 1 When a P C board is judged to be defective check for disconnection burning or discol oration of the copper foil pattern or this P C board 2 The P C board consists of the following 2 parts a Main P C board part DC power supply circuit 5V 12V 15V Indoor fan motor control circuit CPU and ...

Страница 58: ... not all lamps OPERATION TIMER PRE DEF or FAN ONLY Fitered and Hi Power are indicated for 3 seconds and they return to normal 3 seconds later 1 Check whether or not the compressor operates 2 Check whether or not the OPERATION lamp flashes 1 Check whether or not the compressor operates 2 Check whether or not the OPERATION lamp flashes 1 Check it is impossible to detect the voltage DC 15V between 3 ...

Страница 59: ...mperature C 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 TA TC TO TE TS TD 10 8 2 P C Board Layout Bottom View For the Top View refer to page 65 1 Sensor characteristic table ...

Страница 60: ... motor 4 Part name Compressor Model DA91A1F 44F Checking procedure Measure the resistance value of each winding by using the tester Position Red White White Black Black Red Resistance value 0 51 to 0 57 Ω Under 20 C Measure the resistance value of winding by using the tester Outdoor fan motor Model ICF 140 43 1 2 Position Yellow Pink Resistance value 5 to 20 kΩ For details refer to Section 10 9 Ch...

Страница 61: ...l 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 electrolytic liquid does not blow off 6 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 once again under another po...

Страница 62: ...or does not rotate Outdoor fan motor stops within several tens seconds though it started rotating Outdoor fan motor rotates or does not rotate according to the position where the fan stopped etc Remote controller check code 02 Outdoor block 1A Outdoor fan drive system error 2 Cause The following causes are considered when the outdoor fan motor does not normally rotate 1 Mechanical lock of the outd...

Страница 63: ...he fan motor and the connector 5P for the louver motor from the P C board assembly 5 Pull out the TC sensor from the sensor holder 6 Remove each screw for the ground wire the electrical part box and the LED unit Then remove the LED unit and the electrical part box from the main unit How to mount the electrical part 1 Fix the electrical part box by the upper hook of the back body 2 Tighten 2 screws...

Страница 64: ...ack body and then pull out the upper side of the heat exchanger slowly Remarks U 2 Pipe holder 3 2 Screws 4 2 Screws Fan motor 1 Remove the front panel and the electrical part with the procedure R 2 Loosen the set screw of the cross flow fan 3 Remove 2 screws fixing the motor band R 4 Pull out the fan motor Mounting the fan motor as shown in figure below Reference line Pull out the lead wires of t...

Страница 65: ...rawing out of the lead cables refer to the procedure Fix the cross flow fan with the set screw at the position where the gap between the back body and the right surface of the cross flow fan is 4 5 mm Base bearing 1 Remove the front panel electrical part horizon tal louver heat exchanger and the cross flow fan with the procedure 2 Remove 2 screws fixing the base bearing 3 Remove the bearing from t...

Страница 66: ...N13 IC03 IC02 CN04 Part name Common procedure Procedure 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 Remarks Replace the thermal fuse terminal block microcomputer ass y and the P C board ass y ...

Страница 67: ...h the wiring cover Insert the upper part into the upper cabinet insert claw which has been hooked to the lower part into the square hole and then fix it with screw ST1TØ4 x 10 1 pc 3 Attach the valve cover ST1TØ4 x 10 1 pc Insert the upper part to the upper cabinet set hook claw of the valve cover to square holes at three positions of the main unit and attach it pushing upward Remarks 1 Detachment...

Страница 68: ...s 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 ST1TØ4 x 10 2 pcs fixing the main body and the inverter box 5 Remove various lead wires from the holder at upper part of the inverter box and wiring holder at right side of the terminal block 6 Remove the lead wire from the bundled...

Страница 69: ...the control board assembly from P C board base 1 Main control board assembly side Remove two claws of P C board base and remove upward the heat sink with hands Remove three screws fixing the heat sink and main control board assembly side and replace the board with a new one 1 Perform work of item 1 of and 2 Remove fixed screws fixing to the bottom plate ST1TØ4 x 10 3 pcs 3 Remove fixed screws fixi...

Страница 70: ...work of item 1 of and 2 Extract refrigerant gas 3 Remove the partition board ST1TØ4 x 10 2 pcs 4 Remove the sound insulation material 5 Remove terminal cover of the compressor and disconnect lead wire of the compressor thermo and the compressor from the terminal 6 Remove pipe connected to the compressor with a burner 7 Remove the fixing screw of the bottom plate and heat exchanger ST1TØ4 x 10 2 pc...

Страница 71: ...d then fix the coil The pulse modulating valve has A room side and B room side After mounting it check that coil at B room side Red mark ing is marked on the pulse modulating valve is connected to CN13 of the control board assembly Fan guard 1 Detachment 1 Perform work of item 1 of and 2 Remove the front cabinet and put it down so that fan guard side directs downward Perform work on a corrugated c...

Страница 72: ...d recycle that connector 6 Tear the lead wire in two on the connector 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 1...

Страница 73: ... 73 MCC 813 ...

Страница 74: ...iption No 401 43T69319 Terminal Sensor TC 10kΩ 25 C 402 43T60001 Terminal 2P AC300V 20A 403 43T69320 Terminal Sensor TA 10kΩ 25 C Location Part Description No 404 43T62003 Cord Clamp 405 43169079 P C Board Assembly WRS LED 406 43T69322 P C Board MCC 867 406 405 402 401 404 403 ...

Страница 75: ...3T44320 Refrigeration Cycle Assembly 211 43T47006 Pipe Delivery Ø6 35 212 43T47305 Pipe Suction Ø8 00 214 43T11301 Pipe Shield 215 43T19302 Holder Sensor 216 43T49302 Plate of EVA SEAL Location Part Description No 217 43T49006 Holder Plate EVA SEAL 218 43T79302 Guide Drain 219 43T22002 Bearing 220 43T39301 Base Bearing 221 43T20302 Fan Cross Flow 222 43T39302 Band Motor Left 223 43T21327 Motor Fan...

Страница 76: ...43644 Condenser 11 43046392 Valve Packed 6 35 12 43046391 Valve Packed 9 52 13 43147196 Bonnet 1 4 IN 14 43047401 Bonnet 3 8 IN 15 43047491 Tube Capillary I D 1 5 17 43046351 Valve Pulse Modulating Location Part Description No 18 43046378 Coil PMV A12A07 19 43058264 Reactor 20 43050298 Thermostat Bimetal CS 7 125 21 4302C033 Moter Fan 22 43047549 Nut Flange 23 43020322 Fan Propeller 24 43097204 Nu...

Страница 77: ...Senser TC F6 703 43160469 Terminal Block 6P 12 3 P C Board Layout 705 706 704 702 701 703 TE Sensor Ø6 TS Sensor Ø6 TO Sensor Ø6 TD Sensor Ø4 3 2 1 4 3 2 1 Location Part Description No 704 43062228 Base P C Board 705 43063324 Heatsink 706 4306S299 P C Board Assembly MCC813 ...

Страница 78: ......

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