Toyotomi DCT 100HSPi Service Manual Download Page 25

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Troubleshooting

Outdoor units

9. Troubleshooting

9.1 I

QGRRUXQLW¶V/('LQGLFDWLRQRIWURXEOH

NO.

Protection or Malfunction

Operation

lamp

Timer lamp

Defrosting

lamp

Auto

recover

Indoor temp. sensor abnormal

Yes

Indoor heat exchanger sensor abnormal

Yes

Outdoor heat exchanger sensor abnormal

Yes

Outdoor abnormal

Yes

EEPROM abnormal

²²

Extinguish ;

²²

Flash at 5Hz

/('V¶IRUWKHLQGLFDWLRQRIRXWGRRUWURXEOH

DCT 100HSPo, DCT 140HSPo, DCT 170HSPo

Type

Contents

LED1

LED2

LED3

Protection

Phase sequence

Flash

Off

Protection

Overload of current

Off

Flash

Protection

Lack of phase

Flash

Off

Protection

Protection of pressure

Flash

Off

Protection

Open-circuit and short-circuit trouble of T3

Off

Flash

Protection

Open-circuit and short-circuit trouble of T4

Off

Flash

Off

Protection

High temperature protection of condenser

Flash

Summary of Contents for DCT 100HSPi

Page 1: ...Service Manual MODEL DCT 100HSPi o DCT 140HSPi o DCT 170HSPi o ...

Page 2: ...Contents Contents 1 Part 1 General information Part 2 Indoor units Part 3 Outdoor units Part 4 Installation Part 5 Control ...

Page 3: ...General Information General Information Part 1 General Information 1 0RGHO QDPHV RI QGRRU 2XWGRRU 8QLWV WHUQDO SSHDUDQFH 1RPHQFODWXUH HDWXUHV ...

Page 4: ...r Units General Information 1 Model Names of Indoor Outdoor Units Model Names of Indoor Units DCT 100HSPi DCT 140HSPi DCT 170HSPi Model Names of Outdoor Units DCT 100HSPo DCT 140HSPo DCT 170HSPo 2 External Appearance Indoor units ...

Page 5: ...y more compact than the former type MHA series 4 2 High static pressure 4 3 Multi blowing outlets WR VDWLVI RXU ILWPHQW V QHHGV 4 4 Indoor Unit can be installed in various ways to give you a creative space 4 5 We adopt universal outdoor units for R410A refrigerant ...

Page 6: ...Indoor units Indoor units Part 2 Indoor units High Static Pressure Type ...

Page 7: ...units High Static Pressure Type 1 HDWXUHV 2 LPHQVLRQV 3 6HUYLFH VSDFH 4 3LSLQJ GLDJUDPV 5 LULQJ GLDJUDPV 6 LU 9HORFLW DQG 7HPSHUDWXUH LVWULEXWLRQV 7 OHFWULF KDUDFWHULVWLFV 8 Sound LevHOV 9 Exploded view 10 Static pressure 11 FFHVVRULHV ...

Page 8: ... than the former type HSP series 1 2 High static pressure Blowing pressure of Indoor Unit can reach 150Pa The air conditioner delivers cold wind to every indoor corner even the ceiling is super high 1 3 Multi blowing outlets WR VDWLVI RXU ILWPHQW V QHHGV 1 4 Indoor Unit can be installed in various ways to give you a creative space 1 5 We adopt universal outdoor units for R410A refrigerant ...

Page 9: ...Dimensions Indoor units 2 Dimensions 2 2 DCT 100HSPi 2 3 DCT 140HSPi DCT 170HSPi ...

Page 10: ...Service space Indoor units 3 Service space Note Above figure means minimum value Please keep these value at least ...

Page 11: ...Piping diagrams Indoor units 4 Piping Diagrams Remark For DCT 100HSPo DCT 140HSPo check valve and auxiliary capillary is not included ...

Page 12: ...Wiring diagrams Indoor units 5 4 DCT 100HSPi 2 3 DCT 140HSPi DCT 170HSPi ...

Page 13: ...Air velocity and temperature distributions Indoor units 6 Air Velocity and Temperature Distributions Discharge angle 60e Airflow velocity ...

Page 14: ...125 15 350 2 25 Symbols MCA Min Circuit Amps A MFA Max Fuse Amps See note 5 KW Fan Motor Rated Output KW FLA Full Load Amps IFM Indoor Fan Motor Note 1 Voltage range Units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed range limits 2 Maximum allowable voltage unbalance between phases is 2 3 MCA MFA MCA 1 25 FLA MFA 4 FLA Next lower ...

Page 15: ...ophone DCT 100HSPi DCT 140HSPi DCT 170HSPi Octave band center frequency Hz Sound pressure level dB 0dB 0 0002 ȝ bar Audibility limits of continuous white sound Octave band center frequency Hz Sound pressure level dB 0dB 0 0002 ȝ bar Audibility limits of continuous white sound ...

Page 16: ...Static pressure Indoor units 10 Static pressure DCT 100HSPi DCT 140HSPi DCT 170HSPi ...

Page 17: ...nvas air passage filter etc Canvas air passage Clapboard Panel 11 2 A long life and high efficiency filter 11 3 Way of air intake and inserting air filter Air intake can be positioned either at the back or below the unit Similarly the air filter also can be inserted either from the back or from the bottom of the unit ...

Page 18: ...Outdoor units Outdoor units Outdoor Units 1 LPHQVLRQV 2 Service SSDFH LULQJ LDJUDPV LHOG LULQJ 5 OHFWULF KDUDFWHULVWLFV 2SHUDWLRQ LPLWV 6RXQG HYHOV 8 Exploded view 9 Troubleshooting ...

Page 19: ...Dimensions Outdoor units 1 3 DCT 100HSPo 1 4 DCT 140HSPo DCT 170HSPo ...

Page 20: ...or units 2 Service Space DSDFLW DCT 170HSPo 30cm 60cm 30cm 200cm Wall or obstacle Air inlet Air outlet Air inlet Maintain channel 60cm Obstacle Fix with bolt Deep foundation Necessary width 600mm M10 bolt 4pieces per unit ...

Page 21: ...Wiring diagrams Outdoor units 3 4 DCT 100HSPi 3 5 DCT 140HSPi DCT 170HSPi ...

Page 22: ...Max Starting Current RLA Rated Locked Current OFM Outdoor Fan Motor FLA Full Load Amps KW Rate Motor Output Notes 1 RLA is based on the following conditions Indoor temp 27ć DB 19ć WB Outdoor temp 35ć DB 2 MSC means the Max current during the starting of compressor 3 Voltage range Units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed ...

Page 23: ... 6 Operation Limits Ensure the operating temperature is in allowable range Indoor temp eC 6 7 24 17 24 30 STD Heating Ambient emp eC 24 STD Ambient emp eC Cooling 30 45 35 17 7 17 Indoor temp eC With low ambient temp cooling module ...

Page 24: ...Sound levels Outdoor units 7 Sound levels 1m Microphone Model Noise Level dB A 18000Btu h 48 24000Btu h 55 30000Btu h 57 36000Btu h 48000Btu h 58 60000Btu h ...

Page 25: ...OM abnormal ƿ ƿ No Extinguish ƿ Flash at 5Hz 9 V IRU WKH LQGLFDWLRQ RI RXWGRRU WURXEOH DCT 100HSPo DCT 140HSPo DCT 170HSPo Type Contents LED1 LED2 LED3 Protection Phase sequence Flash Off Off Protection Overload of current Off Off Flash Protection Lack of phase Flash Off Off Protection Protection of pressure Flash Flash Off Protection Open circuit and short circuit trouble of T3 Off Flash Flash Pr...

Page 26: ...oor PCB is defective Overload of current Check the current normally The max current for DCT 100HSPo is 9 4 A The max current for DCT 140HSPo is 10 9A The max current for DCT 170HSPo is 13 2A Is the current in rated range The outdoor PCB is defective Possible reason 1 Outdoor fan is defective 2 The compressor is defective 3 Refrigerant is over charged 4 Air enter the refrigerant system 5 Heat excha...

Page 27: ...Troubleshooting Outdoor units 9 2 3 Lack of phase Lack of phase Check the power supply is it 3 phase Check the connection between power supply and terminal Outdoor PCB is defective Yes ...

Page 28: ...her gas in the refrigerant 3 Heat exchanger is dirty 4 Outdoor fan or fan blade is defective 5 Outdoor unit is bad ventilation 6 Refrigerant is leakage Is pressure protective switch K2 Yes Yes Yes Possible reason 1 The wires is loose to K2 2 Air or other gas in the refrigerant 3 Heat exchanger is dirty 4 Outdoor fan or fan blade is defective 5 Outdoor unit is bad ventilation 6 Refrigerant is two m...

Page 29: ... Check the resistance of the temp sensor according to Annex 1 Repair connector No Yes Is it the resistance is normal Indoor PCB is defective Replace the sensor Yes No Is connection to connector of temp sensor good Check the resistance of the temp sensor according to Annex 1 Repair connector No Yes Is it the resistance is normal Indoor PCB is defective Replace the sensor Yes No ...

Page 30: ...tection of condenser Check the resistance of the temp sensor according to Annex 1 is it normal Possible reason 1 Air or other gas in the refrigerant 2 Heat exchanger is dirty 3 Outdoor fan or fan blade is defective 4 Outdoor unit is bad ventilation 5 Refrigerant is leakage Replace the sensor No Yes ...

Page 31: ...ling heating effect Temperature is not set correctly Set the temperature properly Door or window is open Close door and window Air filter is blocked with dust or dirtiness Clean the air filter Inlet outlet of indoor outdoor units are blocked Clear all blockages Inlet outlet of indoor outdoor units are blocked Clear the blockage then restart your operation Be in 3 minutes protection of compressor W...

Page 32: ...se of certain time Check whether the timer operation is started when the ON TIMER is indicated on the display When the time set to start the air conditioner is reached the air conditioner will automatically start and the appropriate indicator will go off The Signal Receiving Tone does Not Sound Symptom Checking items Cause No receiving tone sounds from the indoor unit even when the ON OFF button i...

Page 33: ...Installation Installation Part 4 Installation QVWDOODWLRQ ...

Page 34: ...it and the outdoor unit Then fasten the nuts at the repair points 1 2 Locate The Pipe a Drill a hole in the wall suitable just for the size of the wall conduit then set on the fittings such as the wall conduit and its cover b Bind the connecting pipe and the cables together tightly with binding tapes Do not let air in which will cause water leakage by condensation c Pass the bound connecting pipe ...

Page 35: ...re z I WKH SXPS FDQ W DFKLHYH 755mmHg after pumping 3 hours please check if there are some leakage points z Vacuum placement test place 1 hour when it achieves 755mmHg pass if the vacuum watch shows no rising If it rises it shows WKHUH V PRLVWXUH RU OHDNDJH SRLQW z Vacuuming from liquid pipe and gas pipe at the same time z Sketch map of common vacuum dry procedure ĸ Special vacuum dry procedure z ...

Page 36: ...ity is as follows unit in gram Calculation method Refrigerant Liquid diameter mm Unit amount g m Formula R410A ĭ 30 L 5 22 ĭ 53 65 L 5 60 ĭ 90 L 5 110 Remark 1ǃThe additional refrigerant charge is simply related with the liquid pipe diameter 2ǃIn the up formula ĀLā means total length of liquid pipe unit m 4 Water drainage 4 1 Gradient and Supporting 4 1 1 Keep the drainpipe sloping downwards at a ...

Page 37: ... conditions are prohibited Ľ7KH GLPHQVLRQ RI GUDLQSLSH FDQ W OHVV WKDQ WKH FRnnecting dimension of indoor drainpipe ľ Heat insulation should be done well to prevent condensation Ŀ QGRRU XQLWV ZLWK GLIIHUHQW GUDLQDJH W SH FDQ W VKDUH RQH FRQYHUJHQW GUDLQSLSH 4 2 Drainpipe Trap 4 2 1 If the pressure at the connection of the drainpipe is negative it needs to design drainpipe trap 4 2 2 Every indoor u...

Page 38: ...Selecting the diameter 1XPEHU RI FRQQHFWLQJ LQGRRU XQLWVĺ DOFXODWH GUDLQDJH YROXPHĺ6HOHFW WKH GLDPHWHU Calculate allowed volume Total cooling capacity of indoor units HP 2 l hr Allowed volume lean 1 100 l hr I D mm Thick Hard ī 25 3 0 Hard 14 ī 30 3 5 Hard 88 ī 40 4 0 Hard 175 ī 50 4 5 Hard 334 ī 80 6 0 4 5 Drainage test Drainage without drain pump After finishing drainpipe installation pour some ...

Page 39: ...stand above 120ć Cooling only type Polyethylene foam withstand above 100ć 5 1 2 Thickness choice for insulation material Insulation material thickness is as follows Pipe diameter mm Adiabatic material thickness Refrigerant pipe ĭ ĭ 10mm ĭ ĭ 15mm Drainage pipe Inner diameterĭ20 ĭ32 6mm 5 2 Refrigerant pipe insulation 5 2 1 Work Procedure ķ Before laying the pipes the non jointing parts and non conn...

Page 40: ...g area and the flange area should be done after checking leakage of the pipes ĸ 0DNH VXUH WKHUH V QR FOHDUDQFH LQ WKH MRLQLQJ SDUW RI WKH DFFHVVRULDO LQVXODWLRQ PDWHULDO DQG ORFDO preparative insulation material 5 3 Drainage pipe insulation The connection part should be insulated or else water will be condensing at the non insulation part 5 4 Note 5 4 1 The jointing area expanding area and the fla...

Page 41: ...Control Control Part 5 Control RQWURO ...

Page 42: ...Control Control 1 Remote controller 7KHUH V RQH PRGHO 5 The below is R11HG E remote controller ...

Page 43: ...ooling only type without FAN ONLY and back to AUTO the Push the button to start operation push the button again to stop operation This button is used for selecting fan speed Each time you push the button a fan speed is selected in a sequence that goes from AUTO LOW MED Some models without HIGH and back to AUTO Mode select button Fan button ...

Page 44: ... Push ON TIME timer button to set the ON timer Push OFF TIME timer button to set the OFF timer Auto louver button Push this button to swing louver Push the button again to stop Push this button to confirm ON and OFF timer settings Confirmation button Clock button Push this button to set time When you push the LOCK button all current settings are locked in and the remote controller does not accept ...

Page 45: ...Control Control ...

Page 46: ... push the button the time moves forward by 1 hour If want to cancel the TIMER OFF then adjust the time of TIMER OFF as 0 0 4 CLOCK button Normally display the clock set currently display 12 00 for the first electrifying or resetting When push the button for 4 seconds the hour part on the clock display flashes every 0 5 seconds then push button and to adjust hour push the button CLOCK again the min...

Page 47: ... the icon of LOCK disappears In the mode of LOCK all the buttons are invalid except for LOCK button 5 CLOCK display Usually display the clock set currently Press the button CLOCK for 4 seconds the HOUR part will flash press button Ÿ and ź to adjust HOUR Press the button CLOCK again the minute part flash press buttonŸ orź to adjust MINUTE After clock set or clock operation it must press CONFIRM to ...

Page 48: ...E in indoor unit and fixing a infrared emitter whose anode and cathode connecting with A and B near the receiver in the Indoor Unit Switch Board then connecting the terminal 5v GND Run in the Switch Board to C D E respectively NOTE Never turn screws too tightly or else the cover would be dented or the Liquid Crystal breaks Please leave enough long cable for maintenance of the Wire Controller Board...

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