Mitsubishi FDT208HEN-S Скачать руководство пользователя страница 72

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282

FDTN-H

The discharge gas temperature is too high.

The outdoor heat exchanger temperature is too high (70

C or over)

Are the heat

exchanger thermistor

Charateristisc

Normal?

YES

Heart exchanger thermistor
replacement

Is the unit

normalized

Defective outdoor unit
PCB Replacement
(Defective heat exchanger
thermistor input circuit)

Cooling, overload
operation?

Check the unit side closely

• Is outdoor fan motor operating?
• Is the outdoor unit shortcircuited?
• Is the installation space adequate?
• Is there too much refrigerant?

Reset

Error stop

Outdoor unit heat exchanger temperature

(1)

Note (1) Outdoor unit heat exchanger thermistor detects

the state of cooling overload operation.

Outdoor unit

Red LED

Green LED

4 time flashes

Stays OFF

Temperature

C 10

C 40

Ω

at 25

Is the outdoor

unit heat exchanger

themistor connector

OK?

Repair

YES

Are the outdoor

unit heat exchanger themistor

characteristics OK, is there

any broken wire?

Defective outdoor unit
heat exchanger thermistor
Replacement

Defective outdoor unit PCB
Replacement (Defective
outdoor unit heat exchanger
thermistorinput circuit)

Outdoor unit heat exchanger
thermistor (Th

O-

R) Resistance

temperature characteristics

Resistance

Ω

)

Note (1) 22k

Ω

at -6

Defective outdoor unit heat exchanger thermistor

Outdoor unit

Red LED

Green LED

1 time flash

Outdoor unit

Red LED

Green LED

5 time flashes

Stays OFF

Is the

discharge gas ther-

mistror characteristics

normal?

YES

Discharge pipe thermis-
tor replacement

Is the unit

normalized

Defective outdoor unit
PCB Replacement
(Defective discharge gas
thermistor input circuit)

Discharge gas
temperature error?
(At cooling/heating
operation)

Check the unit side.

•

Insufficient refrigerant

Charge the refrigerant (measure)

•

Is it the overload operation?

Operable

Error stop

135

Discharge pipe temp.

•

During cooling: Is FMo operating?

•

During heating: Is FM

operating?

Are control valves (both liquid,
gas) fully opened during both
cooling and heating.

•

Is the installation space of indoor/

outdoor units adequate?

•

Is there any short circuit air flow

for indoor/outdoor units?

Содержание FDT208HEN-S

Страница 1: ...8HEN S FDTN208HEN FDTN208HEP FDTN258HEN S FDTN258HEN FDTN258HEP FDTN308HEN S FDTN308HES S FDTN308HEN FDTN308HEP FDTN308HES FDTN408HES S FDTN408HES FDTN508HES S FDTN508HES FDTN508HEM FDT208HEN S FDT258...

Страница 2: ...iping system 224 6 2 6 Selection chart 228 6 2 7 Noise level 231 6 3 ELECTRICAL DATA 233 6 3 1 Electrical wiring 233 6 4 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 241 6 5 APPLICATION DATA 256 6 5...

Страница 3: ...ducting the wiring work between the outdoor unit and the indoor unit This contributes to simpler wiring work in the field 4 All air supply ports have auto swing louvers The indoor fan motor has two sp...

Страница 4: ...4 Fresh air intake Available Air filter Q ty Long life filter 1 washable Shock vibration absorber Rubber sleeve for fan motor Rubber mount for compressor Electric heater W 40 Crank case heater Operati...

Страница 5: ...low Standard CMM Hi 17 Lo 12 54 56 Fresh air intake Available Air filter Q ty Long life filter 1 washable Shock vibration absorber Rubber sleeve for fan motor Rubber mount for compressor Electric heat...

Страница 6: ...ng Line starting Air flow Standard CMM Hi 28 Lo 20 100 110 Fresh air intake Available Air filter Q ty Long life filter 1 washable Shock vibration absorber Rubber sleeve for fan motor Rubber mount for...

Страница 7: ...selection chart Max 30m Max 50m Max 10 times h Max 3 minutes Min 85 of rating Rating 10 Max 20m Outdoor unit is higher Max 30m Outdoor unit is higher Max 15m Outdoor unit is lower Max 15m Outdoor uni...

Страница 8: ...ucting Drain hose Accessories Connectable with VP25 Gas piping 15 88 M10 or M8 4pcs B C Air inlet grille Air outlet grille 630 950 295 325 700 or less Max Drain up 210 137 187 260 30 45 or more 95 Lug...

Страница 9: ...ping 19 05 3 4 M10 or M8 4pcs B C Air inlet grille Air outlet grille 630 950 295 325 700 or less Max Drain up 270 137 187 320 30 45 or more 95 Lug for suspension bolts Control box Hole for wiring Susp...

Страница 10: ...le rang of wire thickness and length Usable JIS box JIS C 8336 Switch box for 1 piece without cover use of the mark hole as illustrated on the left Switch box for 2 pieces use of the mark hole as illu...

Страница 11: ...s FDC258HEN3 308HEN3 308HES3 Required space for maintenance and air flow Minimum allowable space to the obstacles Unit mm Mark 1 2 3 L1 Open Open 500 L2 300 5 Open L3 100 150 100 L4 5 5 5 Installation...

Страница 12: ...inal block 1250 1050 A Note 1 The value dimension for model FDC408HES3 L2 L3 L4 L1 Air inlet Air inlet Air outlet Maintenance space Models FDC408HES3 508HES3 Required space for maintenance and air flo...

Страница 13: ...d to the air outlet 3 Free space over the unit must be larger than 1 m 4 The unit should not be surrounded by obstructions in all direction At least one direction around the unit must be free Models F...

Страница 14: ...han 1 m 4 The unit should not be surrounded by obstructions in all direction At least one direction around the unit must be free Minimum allowable space to the obstacles Models FDC406HES3 506HES3 506H...

Страница 15: ...corative panel Polar white Polar white Polar white Polar white Models FDC258HEN3 308HEN3 308HES3 Type Item Panel model Remarks FDTN208H TN PSC 22W E FDTN258H 508H TN PSC 32W E FDT208 T PSA 22W E Witho...

Страница 16: ...t exchanger High pressure switch 63H2 For fan motor control Strainer Strainer Strainer Strainer Capillary tube Capillary tube Capillary tube Capillary tube Capillary tube Liquid line 9 52 Gas line 19...

Страница 17: ...05 23DH Thermistor ThI A Heat exchanger Liquid line 9 52 Strainer Strainer Compressor Strainer Strainer Thermistor ThI R Service valve Flare connecting Capillary tube Capillary tube High Pressure reg...

Страница 18: ...door unit Outdoor unit FDTN308 508 FDC308 508 type only FDT308 508 OFF 2 5 C ON 10 C OFF 135 C ON 90 C OFF 70 C ON 60 C OFF 2 5MPa 25 5 Kgf cm2 G ON 2 06MPa 21 kgf cm2 G Parts name Mark Thermistor for...

Страница 19: ...B temperature CD B Cooling operation Indoor air D B temperature CD B Heating operation Coefficient of cooling and heating capacity in relation to temperatures 6 2 6 Selection chart Correct the coolin...

Страница 20: ...ting capacity in relation to air flow rate control fan speed Coefficient 1 00 at High 0 95 at Low Outdoor air W B temperature CW B Table of bypass factor ISO T1 Standard condition Indoor air W B tempe...

Страница 21: ...ve table 50 60Hz Height difference between the indoor unit and outdoor unit in the vertical height difference 5m 10m 15m 20m 25m 30m Adjustment coefficient 0 01 0 02 0 03 0 04 0 05 0 06 Piping length...

Страница 22: ...el Standard 0 0002 bar dB Mid octave band frequency Hz N30 N20 N50 N60 N70 63 125 250 500 1000 2000 4000 8000 20 30 40 50 60 70 20 30 40 50 60 70 N40 Sound pressure level Standard 0 0002 bar dB Mid oc...

Страница 23: ...40 50 60 70 20 30 40 50 60 70 N40 Sound pressure level Standard 0 0002 bar dB Souud pressure level standard 0 0002 bar Mid octave band frequency Hz N30 N20 N50 N60 N70 63 125 250 500 1000 2000 4000 8...

Страница 24: ...1 Y Y Z Z X X 1 Printed wiring board Power source 1 Phase 220 240V 50Hz Models FDTN308HEN S FDT308HEN S Color mark Mark Color BK Black BL Blue BR Brown GR Gray OR Orange PK Pink RD Red WH White Y Yell...

Страница 25: ...5 CnS CnB Remote controller BK BK RD WH BK RD WH BK Thc BK LS CnS2 BK Only case of FDT series 1 1 Y Y Z Z X X Printed wiring board Models FDTN308HES S FDT308HES S Color mark Mark Color BK Black BL Bl...

Страница 26: ...3 4 5 1 CnS CnB Remote controller BK BK RD WH BK RD WH BK Thc BK LS CnS2 BK Only case of FDT series 1 Y Y Z Z X X Models FDTN408HES S 508HES S FDT408HES S 508HES S Power source 3 Phase 380 415V 50Hz...

Страница 27: ...GN OR OR OR OR CnM CnM CF O CnP CnM CnP BK BK WH RD F 3 15A RD RD TB WH BK WH Y GN A B Y GN RD WH BK TB 1 2 3 1 2 3 1 2 9 X 1 X 3 X 4 X 7 X 5 X 2 WH WH WH OR OR RD RD BL BK BL BK WH WH Y GN CnJ CnF 1...

Страница 28: ...Remote controller BK BK RD WH BK RD WH BK Thc BK LS CnS2 BK Only case of FDT series 1 1 Y Y Z Z X X Printed wiring board This diagram indicates the FDTN series Section from 1 changes on the FDT serie...

Страница 29: ...D RD 4 5 4 5 BL BL BR 10 14 X 6 BK BK CnS CnB Remote controller BK BK RD WH BK RD WH BK Thc BK LS CnS2 BK Only case of FDT series 1 1 Y Y Z Z X X Printed wiring board Meaning of marks Mark Parts name...

Страница 30: ...6 PC BK FM O2 49F O2 WH WH BK OR OR OR OR CnM CnM 2 CF O2 CnM 2 Y GN CnM 2 220 240V 12V BK BK WH BK BK BK RD RD RD 4 5 4 5 BL BL BR 10 14 X 6 BK BK Power source 3 Phase 230V 50Hz 220V 60Hz Color mark...

Страница 31: ...sender Signals are sent to the air conditioner from here Filter reset indicator The FILTER mark is indicated when the FILTER RESET button is pressed Temperature indicator Set temperature is indicated...

Страница 32: ...s switch when servicing the unit Operation mode display Displays the operation mode that has been selected Cooling only air conditioner has the display of COOL DRY and FAN only Fan speed display Displ...

Страница 33: ...mode is indicated Prepararion of heating HOT KEEP display FAN SPEED display The fan speed set is displayed Setting temperature display This display indicates the setting temperature Mode switch This...

Страница 34: ...itched automatically to the cooling operation For an hour after this switching the heating operation is suspended regardless of the temperature as shown at left Temperature difference between thermost...

Страница 35: ...k to provide cooling op eration for the dehumidifying Operation block D C B A Set temp by thermostat Pattern of operation Operation block Thermal drying starting for 8 or 16 minutes after operation st...

Страница 36: ...hot start terminates and it returns to the setting airflow of the blower 2 If the indoor heat exchanger temperature is lower than 30 C when the unit is heating under the thermo ON condition the indoo...

Страница 37: ...start of heating operation exceeds 30 minutes 2 When the compressor operation time accumulated after the end of defrost operation exceeds 45 minutes 3 When the defrost thermostat 23DH1 is turned ON 6...

Страница 38: ...r the power restoration Furthermore if the timer was operating prior to the power interruption the unit remains stopped even after the restoration of service Note 1 Becomes invalid if the dip switch S...

Страница 39: ...sor there is restarting of the compressor 52C ON Moreover during stoppage of the compressor the Run lamp green blinks 2 times Note 1 When starting the compressor for the first time after turning the o...

Страница 40: ...n the LCD changes but the positions of the louvers and the display are not coordinated The louvers swing 3 4 times per minute but the display changes once per second Stopping the louvers When the AUTO...

Страница 41: ...Electric Heater Only FDF model 1 This control is enabled when an auxiliary heater is used As shown in the drawing below since the ON OFF control is performed by the temperature of the thermostat and...

Страница 42: ...o swing display OFF Wich None 1 Wich None 1 Wich None 1 Wich None 1 J1 J2 J3 J4 Note 1 None means that jumper wire is not provided on the PCB or the connection ic cut b Operation control function by t...

Страница 43: ...eed Outdoor fan stopped b Heating Operation 1 Stop control for outdoor fan When the high pressure switch 63H2 operates the fan for the outdoor unit is stopped to control the high pressure switch 63H2...

Страница 44: ...off ii J17 With 4 way selector valve OFF during heater operation Defrost operation is performed with the compressor on the fan for the outdoor unit off and the 4 way selector valve on b Defrost finish...

Страница 45: ...turned off due to the operation stop initiated by the ON OFF switch or the change of operation mode Note 1 Both the error control and the protective control take priority over this control 6 Compresso...

Страница 46: ...ciently support heavy weight When strength is insufficient injury can result from a falling of the unit Execute the prescribed installation construction to prepare for earthquakes and the strong winds...

Страница 47: ...eiling opening can be adjusted within the range shown below Bring the unit body to the ceiling opening right in the center so as not to be set aside and so that space between a ceiling opening end and...

Страница 48: ...vide heat insulation to hard PVC pipes of indoor placement f Do not ever provide an air vent g The height of the drain head can be elevated up to a point 700 mm ablve the ceiling and when an obstacle...

Страница 49: ...re attached on the panel a Check with the accessory level gauges that the indoor unit height and the size of ceiling hole are correct Remove the level gauges from the indoor unit before fixing the dec...

Страница 50: ...switch SW3 3 on the indoor unit printed circuit board Specify the following switch number the operation mode can be changed to the quiet mode mild mode Confirm at installation and change if necessary...

Страница 51: ...mm2 3 core wires 300 m 0 75 mm2 3 core wires 400 m 1 25 mm2 3 core wires 600 m 2 00 mm2 3 core wires Make sure to ground one side only of the shielding wire 6 5 3 Installation of outdoor unit OWARNIN...

Страница 52: ...king work c The minimum space for installation Select the space considering the direction of refrigerant piping Secure with the anchor bolt 2 Install the unit directing the discharge air port at a rig...

Страница 53: ...dized seamless copper tube C1220T JIS H3300 In the case of this unit condensation water is also generated on the liquid piping Insulate both of the liquid piping and gas piping perfectly In the case o...

Страница 54: ...urge of Indoor unit and refrigerant piping by vacuuming method without fail 3 After completion of vacuuming remove the cap nut for the valve stem and fully open the service valve for both of liquid an...

Страница 55: ...eded Drain elbow 1 pc There are 3 holes 20 on the bottom plate of Outdoor unit for draining condensed water To guide the condensed water to the gutter it is necessary to install the unit on the flat b...

Страница 56: ...to the connecting portion of terminal 4 There is a ground Earth terminal in the control box Interconnecting wires Circuit breaker Earth leakage breaker Outdoor unit HIGH VOLTAGE Indoor unit 1 1 phase...

Страница 57: ...it secure sufficient suction space to avoid short circuiting a Open space requirement around the unit b Installation where the area with strong winds Install the unit so that the air outlet section of...

Страница 58: ...e hexagonal cap nut 2 Operate the valve using a hexagonal wrench to open by left turn and to close by right turn 3 Tighten the hexagonal cap nut after the piping works f Additional charge of refrigera...

Страница 59: ...e copper conductor only Power source wires and interconnecting wires shall not bo lighter than polychloroprene shcathcd fiexible cord design H05RN F IEC57 Select wire sizes and circuit protection from...

Страница 60: ...of operation b Test run Run the unit continuously for about 30 minutes and check the following Suction pressure at check joint of service valve for Gas pipe Discharge pressure at check joint on the c...

Страница 61: ...vice port of the gas piping Close high pressure valve 2 of gange manifold c Connect the charging hose A to a vecuum pump Repeat evacuation in the following sequence Notes 1 Do not use the refrigerant...

Страница 62: ...erating condition by operation pressure and temperature difference Making an accurate judgement requires a skill that is acquired only after years of experience one trouble may lead to an another trou...

Страница 63: ...ng switch or indoor unit Indoor unit heat exchanger thermistor Indoor unit circuit board Indoor unit air inlet thermistor Indoor circuit board Indoor unit heat exchanger thermistor Indoor unit circuit...

Страница 64: ...tion methods to determine the condition of strong electrical circuits and frozen cycle parts b Replacement procedure of indoor unit microcomputer printed circuit board Microcomputer printed circuit bo...

Страница 65: ...ctive indoor unit PCB Replace ment Defective indoor unit heat exchanger thermistor input circuit Defective indoor unit heat exchanger thermistor Replacement 1 Indoor unit Check Lamp yellow 1 time flas...

Страница 66: ...ficient the ca pillary tubes may be plugged Printed circuit board for indoor unit no good replace Charge with refrigerant Replace capillary tubes NO YES Are the characteristic values for the heat exch...

Страница 67: ...ure characteristics Resistance k YES YES NO NO Is the indoor unit heat exchanger thermistor connector connection OK Correction Are characteristics of indoor unit heat exchanger thermistor OK or is not...

Страница 68: ...e heat exchanger thermistor Replacement Is the unit normalized Defective indoor unit PCB Replacement Defective indoor unit heat exchanger thermistor input circuit Inspect at the unit side Inspect at t...

Страница 69: ...h the discharge gas thermistor or imperfect connection of the connector The wiring secondary wiring of 52C to the compressor is open 4 Outdoor unit side FDC308 408 508 model only Failure mode on the o...

Страница 70: ...Temperature Switching X01 F1 R10 X05 X09 X08 CNA2 X07 X02 CNF X03 X04 R3 R12 R11 R8 R7 R6 R5 R2 R1 R4 R3 1 2 3 4 1 SW5 2 3 4 5 6 SW3 52C 52C 20S 20S SV SV SV2 SV2 CF1 CF1 CF2 CF2 63H1 63H1 63H2 63H2...

Страница 71: ...FM0 operating At heating Is FM1 operating Is the service valve gas side opened fully Is the filter clogged Is it overcharged Is the installation space of indoor outdoor unit adequate Is there any sho...

Страница 72: ...en wire Defective outdoor unit heat exchanger thermistor Replacement Defective outdoor unit PCB Replacement Defective outdoor unit heat exchanger thermistorinput circuit Outdoor unit heat exchanger th...

Страница 73: ...r resistance k T 0 7 Defective outdoor temperature thermistor Outdoor unit Red LED Green LED 2 time flashes 1 time flash Temperature T T 80 C T 80 C 100 50 0 10 5 0 0 C 50 C 20 C 80 C 100 C 120 C Is t...

Страница 74: ...MEMO...

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