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[

VII

Troubleshooting ]

- 29 -

HWE18200

4. Voltage test points on the control board

1. PEFY-W20, 25, 32, 40, 50, 63, 71, 80, 100, 125VMA(L)(2)-A

F01

Fuse (AC 250V 6.3A)

CND

Power supply voltage (220 -

240VAC)

CN2M For M-NET transmission cable

connection (24 - 30VDC)

SWE

Emergency operation

CN32

Remote start/stop adapter

CN3A

For MA remote controller cable

connection

(10 - 13 VDC (Between 1 and 3.))

CN52

Remote display

CN51

Centralized control

CN41

JAMA standard HA terminal A

CN44

Thermistor (water inlet / water

outlet temperature)

CN4F

Float switch

CN20

Thermistor (Inlet temperature)

CNMF Fan motor output

1 - 4: 310 - 340 VDC

5 - 4: 15 VDC

6 - 4: 0 - 6.5 VDC

7 - 4: Stop 0 or 15 VDC

Run 7.5 VDC

(0 - 15 pulse)

CNP

Drain-up mechanism output

(200VAC)

CNSA Pressure sensor (inner water)

CNSB Pressure sensor (outlet water)

CN8A

Flow control valve (FCV)

(*1)

Voltage on the (-) side of PC51

and C25

(Same with the voltage between 7

(+) and 4 (-) of CNMF)

Voltage between the C25 pins

15 VDC

(Same with the voltage between 5

(+) and 4 (-) of CNMF)

Vsp Voltage between the C53 pins

0VDC (with the fan stopped)

1 - 6.5VDC (with the fan in opera-

tion)

(Same with the voltage between 6

(+) and 4 (-) of CNMF)

CN2M

CND

F01

CN3A

CN41

CN51

CN8A

CN52

CN20

C084

(-) side

PC352
(-) side

C351

CN4F

CN44

CNSA

CNSB

CNMF

SWE

CNP

HWE18200.book 29 ページ２０１９年５月８日　水曜日　午前１０時５２分

Содержание CITY MULTI PEFY-W100VMA-A

Страница 1: ......

Страница 2: ...s indicated on the unit when install ing or relocating the unit Infiltration of any other types of refrigerant or air into the unit may adversely affect the refrigerant cycle and may cause the pipes to burst or explode Consult your dealer or a qualified technician when moving or reinstall ing the unit Improper installation may result in water leakage electric shock or fire After completing the ser...

Страница 3: ...ii HWE18200 GB HWE18200 book ii ページ２０１９年５月８日水曜日午前１０時５２分 ...

Страница 4: ...frigerant system diagram 23 VII Troubleshooting 1 Troubleshooting 24 1 Check methods 24 2 DC fan motor fan motor indoor control board 27 3 Address switch setting 28 4 Voltage test points on the control board 29 5 Dipswitch setting Factory setting 30 VIII Disassembly Procedure 1 Disassembly Procedure 34 1 Control box 34 2 Thermistor Intake air 35 3 Drain pump 35 4 Drainpan 36 5 Thermistor Water out...

Страница 5: ...HWE18200 GB HWE18200 book 2 ページ２０１９年５月８日水曜日午前１０時５２分 ...

Страница 6: ...VMA L 2 A 2 2 2 5 PEFY W25VMA L 2 A 2 8 3 2 PEFY W32VMA L 2 A 3 6 4 0 PEFY W40VMA L 2 A 4 5 5 0 PEFY W50VMA L 2 A 5 6 6 3 PEFY W63VMA L 2 A 7 1 8 0 PEFY W71VMA L 2 A 8 0 9 0 PEFY W80VMA L 2 A 9 0 10 0 PEFY W100VMA L 2 A 11 2 12 5 PEFY W125VMA L 2 A 14 0 16 0 HWE18200 book 1 ページ２０１９年５月８日水曜日午前１０時５２分 ...

Страница 7: ...d Functions 1 Indoor Main Unit 2 Remote Controller PAR 32MAA Once the operation mode is selected the unit will remain in the selected mode until changed 1 In case of rear inlet 2 In case of bottom inlet Air inlet Air outlet Air outlet Air inlet HWE18200 book 2 ページ２０１９年５月８日水曜日午前１０時５２分 ...

Страница 8: ... change depending on the screen Refer to the button function guide that appears at the bottom of the LCD for the functions they serve on a given screen When the system is centrally controlled the button function guide that corresponds to the locked button will not appear Main display Main menu Fri Room Set temp Mode Temp Fan Cool Auto Main Main display Cursor Page Main menu Vane Louver Vent Lossna...

Страница 9: ...olled Appears when the set temperature is centrally controlled Room temperature Current room temperature appears here Appears when the buttons are locked Appears when the On Off timer Night setback or Auto off timer function is enabled appears when the timer is disabled by the centralized control system Appears when the Weekly timer is enabled Appears while the units are operated in the energy sav...

Страница 10: ...2 Net weight 2 kg 22 21 26 25 Heat exchanger Cross fin Aluminium fin and copper tube Fan Type Sirocco fan x 1 Sirocco fan x 2 Airflow rate Low Mid High m3 min 6 0 7 5 8 5 7 5 9 0 10 5 10 0 12 0 14 0 External static pressure Pa 35 50 70 100 150 Motor Output kW 0 085 0 121 Air filter PP Honeycomb fabric washable Water pipe dimensions Gas Inlet connection mm I D 20 Liquid Outlet connection mm I D 20 ...

Страница 11: ...ed Dimensions Height mm 250 Width mm 1100 Depth mm 732 Net weight 2 kg 30 29 Heat exchanger Cross fin Aluminium fin and copper tube Fan Type Sirocco fan x 2 Airflow rate Low Mid High m3 min 14 5 18 0 21 0 External static pressure Pa 40 50 70 100 150 Motor Output kW 0 121 Air filter PP Honeycomb fabric washable Water pipe dimensions Gas Inlet connection mm I D 20 30 Liquid Outlet connection mm I D ...

Страница 12: ...Net weight 2 kg 37 36 38 37 Heat exchanger Cross fin Aluminium fin and copper tube Fan Type Sirocco fan x 3 Airflow rate Low Mid High m3 min 23 0 28 0 32 0 28 0 34 0 37 0 External static pressure Pa 40 50 70 100 150 Motor Output kW 0 300 Air filter PP Honeycomb fabric washable Water pipe dimensions Gas Inlet connection mm I D 30 Liquid Outlet connection mm I D 30 Drain pipe dimensions mm in O D 32...

Страница 13: ...h mm 1100 Depth mm 732 Net weight kg 30 Heat exchanger Cross fin Aluminium fin and copper tube Fan Type Sirocco fan x 2 Airflow rate Low Mid High m3 min 14 5 18 0 21 0 External static pressure Pa 40 50 70 100 150 Motor Output kW 0 121 Air filter PP Honeycomb fabric washable Water pipe dimensions Inlet mm I D 20 Outlet mm I D 20 Drain pipe dimensions mm in O D 32 1 1 4 Operating noise Low Mid High ...

Страница 14: ...600 Depth mm 732 Net weight kg 30 42 Heat exchanger Cross fin Aluminium fin and copper tube Fan Type Sirocco fan x 2 Sirocco fan x 3 Airflow rate Low Mid High m3 min 14 5 18 0 21 0 29 5 35 5 40 0 External static pressure Pa 40 50 70 100 150 Motor Output kW 0 121 0 300 Air filter PP Honeycomb fabric washable Water pipe dimensions Inlet mm I D 20 Outlet mm I D 20 Drain pipe dimensions mm in O D 32 1...

Страница 15: ... mm 250 Width mm 1600 Depth mm 732 Net weight kg 42 Heat exchanger Cross fin Aluminium fin and copper tube Fan Type Sirocco fan x 3 Airflow rate Low Mid High m3 min 29 5 35 5 40 0 External static pressure Pa 40 50 70 100 150 Motor Output kW 0 300 Air filter PP Honeycomb fabric washable Water pipe dimensions Inlet mm I D 30 Outlet mm I D 30 Drain pipe dimensions mm in O D 32 1 1 4 Operating noise L...

Страница 16: ...idth mm 1600 Depth mm 732 Net weight kg 42 Heat exchanger Cross fin Aluminium fin and copper tube Fan Type Sirocco fan x 3 Airflow rate Low Mid High m3 min 29 5 35 5 40 0 External static pressure Pa 40 50 70 100 150 Motor Output kW 0 300 Air filter PP Honeycomb fabric washable Water pipe dimensions Inlet mm I D 30 Outlet mm I D 30 Drain pipe dimensions mm in O D 32 1 1 4 Operating noise Low Mid Hi...

Страница 17: ...F02 DC400V 3A Fan motor 8 pole Output 85W ZWB278D51A Pressure sensor inner water PS1 Pressure sensor outlet water PS2 Flow control valve FCV 12V DC stepping motor 0 770 pulse Power supply terminal block TB2 L N 250V 20A Transmission terminal block TB5 TB15 1 2 250V 15A M1 M2 S 250V 20A Drain pump DP PMD 12D 13ME INPUT 3W DC 13V 24L Hr Drain float switch DS Open short detection Initial contact resi...

Страница 18: ...DC400V 3A Fan motor 8 pole Output 121W ZWB278D54A Pressure sensor inner water PS1 Pressure sensor outlet water PS2 Flow control valve FCV 12V DC stepping motor 0 770 pulse Power supply terminal block TB2 L N 250V 20A Transmission terminal block TB5 TB15 1 2 250V 15A M1 M2 S 250V 20A Drain pump DP PMD 12D 13ME INPUT 3W DC 13V 24L Hr Drain float switch DS Open short detection Initial contact resista...

Страница 19: ...2 DC400V 3A Fan motor 8 pole Output 300W ZWB378 Pressure sensor inner water PS1 Pressure sensor outlet water PS2 Flow control valve FCV 12V DC stepping motor 0 770 pulse Power supply terminal block TB2 L N 250V 20A Transmission terminal block TB5 TB15 1 2 250V 15A M1 M2 S 250V 20A Drain pump DP PMD 12D 13ME INPUT 3W DC 13V 24L Hr Drain float switch DS Open short detection Initial contact resistanc...

Страница 20: ...3 71 80VMA A models which have 2 fans PEFY W20 25 32VMA A models have 1 fan PEFY W40VMA A model has 2 fans PEFY W100 125VMA A models have 3 fans supply withthe unit then install the filter 4 In case of the inlet duct is used remove the air filter field supply at suction side ø22 2 Water pipe 1358 1300 7 Model A 660 800 1200 700 754 900 954 860 9 E 11 D 1060 C 1100 B 1154 PEFY W100 125VMA A PEFY W5...

Страница 21: ...t of the motor fan drain pump heat exchanger and control box in one of the following ways Select an installation site for the indoor unit so that its maintenance access space will not be obstructed by beams or other objects 1 When a space of 300mm or more is available below the unit between the unit and the ceiling Fig 1 Create access door 1 and 2 450 450mm each as shown in Fig 2 Access door 2 is ...

Страница 22: ...fans PEFY W20 25 32VMAL A models have 1 fan PEFY W40VMAL A model has 2 fans PEFY W100 125VMAL A models have 3 fans 4 In case of the inlet duct is used remove the air filter supply withthe unit then install the filter field supply at suction side ø22 2 Water pipe 1 Water pipe 1358 1300 7 Model A 660 800 1200 700 754 900 954 860 9 E 11 D 1060 C 1100 B 1154 PEFY W100 125VMAL A PEFY W50 63 71 80VMAL A...

Страница 23: ...ment of the motor fan heat exchanger and control box in one of the following ways Select an installation site for the indoor unit so that its maintenance access space will not be obstructed by beams or other objects 1 When a space of 300mm or more is available below the unit between the unit and the ceiling Fig 1 Create access door 1 and 2 450 450mm each as shown in Fig 2 Access door 2 is not requ...

Страница 24: ... 3 This chart indicates for PEFY W20 25 32 40VMA2 A models which have 2 fans PEFY W50 63 71 80 100 125VMA2 A models have 3 fans 4 In case of the inlet duct is used remove the air filter supply withthe unit then install the filter field supply at suction side ø22 2 Water pipe 1 Water pipe 1558 1500 Model A 1200 E 11 D 1060 C 1100 B 1154 PEFY W50 63 71 80 100 125VMA2 A PEFY W20 25 32 40VMA2 A 1600 1...

Страница 25: ...for the maintenance inspection and replacement of the motor fan drain pump heat exchanger and control box in one of the following ways Select an installation site for the indoor unit so that its maintenance access space will not be obstructed by beams or other objects 1 When a space of 300mm or more is available below the unit between the unit and the ceiling Fig 1 Create access door 1 and 2 450 4...

Страница 26: ... DP FS TB2 TB5 TB15 TH21 TH22 TH23 CN2A Connector 0 10V Analog input CN32 Connector Remote switch CN41 Connector HA terminal A CN51 Connector Centrally control CN52 Connector Remote indication CN90 Connector Wireless CN105 Connector IT terminal SW1 Switch for mode selection SW2 Switch for capacity code SW3 Switch for mode selection SW14 Switch BRANCH No SW21 Switch for static pressure selection SW...

Страница 27: ...ector 0 10V Analog input CN32 Connector Remote switch CN41 Connector HA terminal A CN51 Connector Centrally control CN52 Connector Remote indication CN90 Connector Wireless CN105 Connector IT terminal SW1 Switch for mode selection SW2 Switch for capacity code SW3 Switch for mode selection SW14 Switch BRANCH No SW21 Switch for static pressure selection SW22 Switch Wireless pair No SWE Connector eme...

Страница 28: ...thermistor TH22 F Pressure sensor inner water PS1 G Pressure sensor outlet water PS2 H Flow control valve FCV I Heat exchanger J Manual air purge valve K Room temperature thermistor TH21 I K C A E D B J F H PS G PS Capacity PEFY W20 25 32 40 50VMA L 2 A PEFY W63 71 80 100 125VMA L 2 A Water outlet I D 20 mm I D 30 mm Water inlet I D 20 mm I D 30 mm HWE18200 book 23 ページ２０１９年５月８日水曜日午前１０時５２分 ...

Страница 29: ...h a tester Refer to the next page for details Normal Abnormal 4 3kΩ 9 6kΩ Open or short Refer to the thermistor characteristic graph below Low temperature thermistor Room temperature thermistor TH21 Water inlet pipe thermistor TH22 Water outlet thermistor TH23 Drain sensor DS Thermistor R0 15 kΩ 3 Multiplier of B 3480 kΩ 2 0 C 15kΩ 10 C 9 6kΩ 20 C 6 3kΩ 25 C 5 2kΩ 30 C 4 3kΩ 40 C 3 0kΩ A Temperatu...

Страница 30: ...eration The output pulse changes in the following order When the valve closes 1 2 3 4 1 When the valve opens 4 3 2 1 4 A Yellow G Orange B White H Purple C Black I Control board D Brown J Connection CN60 E Green K Drive circuit F Blue L Flow control valve Output phase number Output status 1 2 3 4 4 ON ON OFF OFF 5 OFF ON ON OFF 7 OFF OFF ON ON 8 ON OFF OFF ON M L I A B C D E F G H J K 5 3 2 1 4 6 ...

Страница 31: ...works and drains water properly in cooling operation 3 If no water drains confirm that the check code 2502 will not be displayed 10 minutes after the operation starts Note The drain pump for this model is driven by the internal DC motor of controller board so it is not possible to measure the resistance between the terminals Normal Red Black Input 13V DC The fan starts to rotate Purple Black Abnor...

Страница 32: ...al Get the motor to make a full rotation or more and measure the voltage at the test point VFG same with the voltage between fan connector 7 and 4 Is the fan motor connector CNMF fully inserted Is the voltage within the normal range Replace the motor Are 0VDC and 15VDC displayed alternately Check the power supply Measure the voltage at the indoor control board 310 340VDC same with the voltage betw...

Страница 33: ...ng is composed SW11 5 and SW12 2 Indoor unit do not run without address setting in field Incase using network remote controller address is set by rotary switches SW11 SW12 Indoor unit address setting rule is different by each field work Setting the address is combination of SW11 1st digit address setting and SW12 2nd digit address setting SW22 0 1 2 3 4 5 6 7 8 9 A BCDE F 0 1 2 3 4 5 6 7 8 9 0 1 2...

Страница 34: ...ermistor Inlet temperature CNMF Fan motor output 1 4 310 340 VDC 5 4 15 VDC 6 4 0 6 5 VDC 7 4 Stop 0 or 15 VDC Run 7 5 VDC 0 15 pulse CNP Drain up mechanism output 200VAC CNSA Pressure sensor inner water CNSB Pressure sensor outlet water CN8A Flow control valve FCV 1 VFG Voltage on the side of PC51 and C25 Same with the voltage between 7 and 4 of CNMF VCC Voltage between the C25 pins 15 VDC Same w...

Страница 35: ...nal Fan output 6 Humidifier operation During heating mode During heating operation 7 Fan speed Low Very low 8 Fan speed at heating Thermo OFF Preset fan speed Follows the setting of SW1 7 9 Auto restart after power failure Enabled Disabled 10 Power start stop Enabled Disabled PEFY W VMA 2 A ON 1 2 3 4 5 6 7 8 9 10 PEFY W VMAL 2 A ON 1 2 3 4 5 6 7 8 9 10 Switch position Function Switch setting ON O...

Страница 36: ...ing Please see the WIRING LABEL on the control box Set SW5 to 240V side when the power supply is 240 volts When the power supply is 220 and 230 volts set SW5 to 220V side Factory setting PEFY W25VMA L 2 A PEFY W20VMA L 2 A PEFY W32VMA L 2 A PEFY W40VMA L 2 A PEFY W50VMA L 2 A PEFY W71VMA L 2 A PEFY W63VMA L 2 A PEFY W80VMA L 2 A PEFY W100VMA L 2 A PEFY W125VMA L 2 A ON OFF 1 2 3 4 5 6 ON OFF 1 2 3...

Страница 37: ...essure from the function selection screen on the remote controller PAR 33MAA PAR 40MAA Follow the instructions below and the instructions detailed in the remote controller manual for how to set the switches 1 Set the function setting No 32 Switch setting Function selection to 2 2 Set the function setting No 8 and No 10 to appropriate values according to the external static pressure External static...

Страница 38: ...ttings must be made while the unit is stopped 7 Connection No setting 1 SW14 Rotary switch This switch is used when the unit connected to an R2 series of outdoor unit Note Changes to the dipswitches SW11 SW12 SW14 and SW15 must be made while the unit is stopped and the remote controller is OFF Factory setting Factory setting HWE18200 book 33 ページ２０１９年５月８日水曜日午前１０時５２分 ...

Страница 39: ...assembly Procedure 1 Disassembly Procedure 1 Control box Exercise caution when removing heavy parts 1 Removing the control box cover 1 Remove the three fixing screws on the cover A to re move it Fig 1 Fig 2 A HWE18200 book 34 ページ２０１９年５月８日水曜日午前１０時５２分 ...

Страница 40: ...over according to the procedure in section 1 2 Remove the thermistor 1 Pull out the thermistor holder B and thermistor C on the control box Fig 3 a B C 1 Remove the control box cover according to the procedure in section 1 2 Remove the drain pump 1 Remove the drain pump from connector E in control box 2 Remove the cover a and the drain pump Fig 4 E HWE18200 book 35 ページ２０１９年５月８日水曜日午前１０時５２分 ...

Страница 41: ...n the tab on the filter and pull out the filter in the direction of the arrow 1 2 Remove the fixing screws on the bottom plate D E to remove it Fig 5 2 Removing the drainpan 1 Pull out the drain pan in the direction of the arrow 2 Fig 6 Note Drain the water out of the drain pan before removing it D 1 E 1 2 HWE18200 book 36 ページ２０１９年５月８日水曜日午前１０時５２分 ...

Страница 42: ...to the procedure in section 4 2 Removing the Heat exchanger cover 1 Remove the three fixing screws on the heat exchanger cover F to remove it Fig 7 3 Removing the thermistor 1 Remove the thermistor G from the thermistor holder H on the copper tube Thermistor size Water inlet ø8mm Water outlet ø6mm Fig 8 F HEX G H HWE18200 book 37 ページ２０１９年５月８日水曜日午前１０時５２分 ...

Страница 43: ... 2 Removing the fan casing bottom half 1 Squeeze the tabs on the fan casing to remove it in the di rection of arrow 2 Fig 10 b Tab 3 Removing the motor cable 1 Remove the motor cable threw the rubber bush 4 Removing the fan motor and the Sirocco fan 1 Remove the two motor fixing screws to remove the motor and the Sirocco fan in the direction of arrow 3 Fig 11 2 Remove the four fan case fixing scre...

Страница 44: ...g the Heat exchanger 1 Remove the fixing screws on the heat exchanger M to re move it Fig 14 5 Removing the pressure sensor 1 Loosen the flare nut N using two wrenches to remove the pressure sensor O To prevent damage to the flare piping use caution not to apply excessive force to it Fig 15 Fig 15 2 To attach the pressure sensor tighten the flare nut to the torque of 16 to 18 Nꞏ m kgfꞏ cm using tw...

Страница 45: ...O ring with a new one 5 Check the nipple grooves for dirt If dirty wipe them clean 6 Check the inner surface of the FCV and the inlet outlet piping for dirt If dirty wipe them clean 7 Before attaching the O ring to the nipple apply a light coating of the grease that is listed in the service parts list evenly to the entire O ring 8 Before inserting the nipple with the O ring into the FCV and the in...

Страница 46: ......

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