Zibro S 1731 Service Manual
  1. Manuals
  2. Brands
  3. Zibro Manuals
  4. Air Conditioner
  5. S1735
  6. Service manual

Zibro S 1731 Service Manual

Pvg international b.v.
Hide thumbs Also See for S 1731:
Table of Contents

Advertisement

Quick Links

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the S 1731 and is the answer not in the manual?

Questions and answers

Related Manuals for Zibro S 1731

Summary of Contents for Zibro S 1731

  • Page 2: Specification

    SPECIFICATION INDOOR OUTDOOR Unit S 1731 S 1731 9,000(4,400-10,600) Cooling Capacity BTU/h – 11,000(4,800-12,300) Heating Capacity BTU/h – Moisture Removal – Single phase Power source SIDE VIEW TOP VIEW OUTLET Airflow Method INTAKE Cooling ; Air circulation (at High) –...
  • Page 3 SPECIFICATION INDOOR OUTDOOR Unit S 1731 S 1731 Type Cross-flow Fan Propeller Fan Air Circulation Motor Type Induction (4-pole) Induction (6-pole) Rated Output Plate fin configuration,forced draft Heat Exchanger 18.1FPI 19.5FPI – Capillary Tube Refrigerant Control Device 850(30.0) g (oz) –...
  • Page 4 SPECIFICATION INDOOR OUTDOOR Unit S 1735 S 1735 Cooling Capacity BTU/h 11,300(4,800-11,900) – Heating Capacity BTU/h 12,500(4,800-14,300) – Moisture Removal – phase Single Power source SIDE VIEW TOP VIEW OUTLET Airflow Method INTAKE Cooling ; Air circulation (at High) – m/min Heating ;...
  • Page 5 SPECIFICATION INDOOR OUTDOOR Unit S 1735 S 1735 Type Cross-flow Fan Propeller Fan Air Circulation Motor Type Induction (4-pole) Induction (6-pole) Rated Output Plate fin configuration,forced draft Heat Exchanger 19.5FPI 19.5 FPI – Capillary Tube Refrigerant Control Device 850(30.0) g (oz) –...

  • Page 6: Indoor Unit

    FUNCTIONS REMOTE-CONTROL TRANSMITTER INDOOR UNIT Sensing the room temperature Room temperature sensor (thermistor) ON/OFF Time delay safety control Operation mode selection Restarting is inhibited for approximately 3 minutes. COOL Indoor fan speed control HEAT AUTOMATIC High, Med, Low CIRCULATION Operation indication lamps (LED) Air flow selection POWER (GREEN or RED)

  • Page 7: Outdoor Unit

    FUNCTIONS OUTDOOR UNIT Hot-start control (heating) The indoor fan stops until the evaporator piping temperature will be reached. Anti-freezing control for the evaporator Compressor will be stopped when the evapolator’s piping temperature is below for one minute. Compressor will be restarted when the evaporator’s piping temperature is above Airflow direction control Inverter control...

  • Page 8: Service Function Explanation

    SERVICE FUNCTION EXPLANATION EMERGENCY AND TEST OPERATION Emergency Operation Beep Use this operation only when the remote controller is out of order or lost. • When the emergency operation switch is pressed, beep starts once, which • means the start of this operation. In this operation, the system automatically selects the operation modes, cooling •...

  • Page 9: Operation Details

    OPERATION DETAILS TIMER OPERATION ON Timer operation Press the ON/OFF switch. Right after replacing new batteries, set the present time in advance. • Set the “ON Time” : Press the “TIME ADJ” button twice. • Adjust the time with the “ ”...

  • Page 10: Cooling Mode Operation

    Room temperature Designated temperature 0.7˚C -1.3˚C Frequency of compressor MIN 4 MIN 4 Model S 1731 68.0Hz 32.0Hz S 1735 72.0Hz 32.0Hz – 9 –...

  • Page 11: Dry Mode Operation

    Room temperature Designated temperature 0.7˚C -1.3˚C Frequency of compressor 3min. MIN 4 MIN 4 Indoor fan Selected speed Stop Super low Selected speed Model 68.0Hz 32.0Hz S 1731 72.0Hz 32.0Hz S 1735 – 10 –...

  • Page 12: Heating Mode Operation

    29˚C 15˚C 20sec. Super Designated Indoor fan Stop Designate Fan blow Super low Fan blow Room temperature Designated temperature +5.0 +3.0 Frequency of compressor MIN 4 MIN 4 Model S 1731 74.0Hz 32.0Hz S 1735 80.0Hz 32.0Hz – 11 –...
  • Page 13 12 minutes has passed since compressor turned OFF. Defrosting starts Defrosting stop Temperature of outdoor heat exchanger 8˚C 2min. -1˚C 2min. 1min. Compressor 48.0Hz Outdoor fan 4way valve sec. 50sec. 50sec. 53sec. 53sec. Max 12min. Model S 1731 58.0Hz 74.0Hz S 1735 58.0Hz 80.0Hz – 12 –...
  • Page 14 COMPRESSOR STARTING SEQUENCE 10Hz T(Max) Start Frequency Model Time T(Max) 48Hz 58Hz 68Hz 54Hz 32Hz Cooling 1.5min. 1min. 30min. limitless S 1731 48Hz 58Hz 74Hz 64.7Hz 32Hz Heating 1.5min. 1min. 40min. limitless 48Hz 58Hz 72Hz 66.7Hz 32Hz Cooling 1.5min. 1min.

  • Page 15: Troubleshooting Guide

    TROUBLESHOOTING GUIDE FOR YOUR SAFETY USE IN: indoor unit OUT: outdoor unit For the safety and proper use and handling of the product, please read and follow the instructions carefully. The meaning of the marks below are as follows. Danger Improper use will cause the significant risk of death or serious injury of the user.

  • Page 16: Indication Lamp

    TROUBLESHOOTING GUIDE INDICATION LAMP Micro computer self-diagnose the points of the troubles and inform it by the combination of the status (On, Flush, or Off) of three lamp indicators on the front panel of the indoor unit. INDICATION LAMP ALARM METHOD OF CHECK APPEARANCE, PORTION, PARTS POWER...
  • Page 17 TROUBLESHOOTING GUIDE CHECK A FOLLOWING STEPS fig. 1 Voltage of OUT fan motor on the OUT PCB( main) fig. 2 Continuity of current fuse on the OUT PCB(filter) : BLACK : BLACK : BROWN : GRAY : WHITE : RED : WHITE AC230V W BR...
  • Page 18 TROUBLESHOOTING GUIDE ELECTRIC CHARACTER table 2 Sensor, temp. defrost table 1 Sensor, temp. room table 3 Sensor, temp. discharge Sensor, temp. heat exchanger Sensor, temp. outdoor Resistance (k ) Temp. (°C) Resistance (k ) Temp. (°C) Temp. (°C) Resistance (k ) 1,130 table 4 Sensor, temp.

  • Page 19: Wiring Diagram

    TROUBLESHOOTING GUIDE WIRING DIAGRAM S 1731 Indoor S 1735 Indoor S 1731 Outdoor S 1735 Outdoor COMPRESSOR MOTOR (FAN) SENSOR SENSOR SENSOR (TEMP., (TEMP., (TEMP., DISCHARGE) OUTDOOR) DEFROST) 4WAY V. HEATER MAIN P.C.B FILTER P.C.B TERMINAL BLOCK INDOOR UNIT VOLTAGE REACTOR –...

  • Page 20: Performance Curve Diagram

    PERFORMANCE CURVE DIAGRAM REMARKS FOR GAS PRESSURE CHECK AND CHARGING Gas pressure is to be measured at TEST OPERATION for cooling or EMERGENCY OPERATION for heating. (It is operated for 30 minutes at fixed frequency.) If you find substantial diffrence in performance compared with PERFORMANCE CURVE as shown next, recharge the refrigerant.
  • Page 21 PERFORMANCE CURVE DIAGRAM S 1731 COOLING CURRENT (°C) TEMPERATURE BLOW OUT (MPa) SERVICE PORT PRESSURE (°C) HUMIDITY60% AIR TEMPERATURE INDOOR-OUTDOOR HEATING AIR-TEMPERATURE INDOOR 20°C CURRENT (°C) TEMPERATURE BLOW OUT (MPa) SERVICE PORT PRESSURE (°C) HUMIDITY50% AIR TEMPERATURE-OUTDOOR – 20 –...
  • Page 22 PERFORMANCE CURVE DIAGRAM S 1735 COOLING CURRENT (°C) TEMPERATURE BLOW OUT (MPa) SERVICE PORT PRESSURE (°C) HUMIDITY60% AIR TEMPERATURE INDOOR-OUTDOOR HEATING AIR-TEMPERATURE INDOOR 20°C CURRENT (°C) TEMPERATURE BLOW OUT (MPa) SERVICE PORT PRESSURE (°C) HUMIDITY50% AIR TEMPERATURE-OUTDOOR – 21 –...

  • Page 23: Electric Circuit Diagram

    ELECTRIC CIRCUIT DIAGRAM S 1731 Indoor, S 1735 Indoor – 22 –...
  • Page 24 ELECTRIC CIRCUIT DIAGRAM S 1731 Outdoor , S 1735 Outdoor – 23 –...
  • Page 25 SCHEMATIC DIAGRAM AND PCB’S S 1731 Indoor (Top View) PCB(AC-383) On the PCB a letter of alphabet may be printed in depends on the version. – 24 –...
  • Page 26 SCHEMATIC DIAGRAM AND PCB’S S 1735 Indoor (Top View) PCB(AC-382) On the PCB a letter of alphabet may be printed in depends on the version. – 25 –...
  • Page 27 SCHEMATIC DIAGRAM AND PCB’S S 1731 Outdoor (Top View) PCB(AC-377) On the PCB a letter of alphabet may be printed in depends on the version. – 26 –...
  • Page 28 SCHEMATIC DIAGRAM AND PCB’S S 1735 Outdoor (Top View) PCB(AC-379) On the PCB a letter of alphabet may be printed in depends on the version. – 27 –...
  • Page 29 SCHEMATIC DIAGRAM AND PCB’S S 1731 Outdoor, S 1735 Outdoor FILTER PCB(AC-378) On the PCB a letter of alphabet may be printed in depends on the version. – 28 –...
  • Page 30 SCHEMATIC DIAGRAM AND PCB’S S 1731 Indoor, S 1735 Indoor (Bottom View) PCB(AC-383, AC-382) S 1731 Indoor, S 1735 Indoor PCB RECEIVER & DISPLAY(AC-359) On the PCB a letter of alphabet may be printed in depends on the version. – 29 –...
  • Page 31 SCHEMATIC DIAGRAM AND PCB’S S 1731 Outdoor, S 1735 Outdoor (Bottom View) PCB(AC-377, AC-379) – 30 –...
  • Page 32 SCHEMATIC DIAGRAM AND PCB’S S 1731 Outdoor, S 1735 Outdoor (Bottom View) FILTER PCB(AC-378) – 31 –...
  • Page 33 SCHEMATIC DIAGRAM AND PCB’S S 1731 Indoor, S 1735 Indoor SCHEMATIC DIAGRAM(AC-383, AC-382, AC-359) – 32 –...
  • Page 34 SCHEMATIC DIAGRAM AND PCB’S S 1731 Outdoor, S 1735 Outdoor SCHEMATIC DIAGRAM(AC-377, AC-379) – 33 –...
  • Page 35 SCHEMATIC DIAGRAM AND PCB’S S 1731 Outdoor, S 1735 Outdoor FILTER PCB(AC-378) – 34 –...
  • Page 36 PARTS LIST ( PCB ) S 1731 Indoor, S 1735 Indoor PCB ASSEMBLY(MAIN) AC-382,383 ALTERNATIVE REF. No. PART NAME PART NUMBER Q'TY CE-374 C0 for A C-382 CE-374D0 for A C-383 Micro Proccer M38039FFFP M38037M8H-201KP EEPR OM S-93L C56ADFJ-TB- S...
  • Page 37 PARTS LIST ( PCB ) S 1731 Indoor, S 1735 Indoor PCB ASSEMBLY(MAIN) AC-382,383 ALTERNATIVE REF. No. PART NAME PART NUMBER Q'TY R21 ,30 ,4 0,5 1,5 2 Flat Chip Resistor RP C0 5T 102 J Flat Chip Resistor RP C0 5T 10 5J...
  • Page 38 PARTS LIST ( PCB ) S 1731 Indoor, S 1735 Indoor PCB ASSEMBLY(RECEIVER&DISPLAY) AC-359 ALTERNATIVE REF. No. PART NAME PART NUMBER Q'TY CE-38100 SPR-39MVWF SLR-342YY3F(L,M,N) SLR-342MG3F(N,P) Remote Receiver Unit SBX1810-52P Lead Wire 40002140 LED Holder 40002330 – 37 –...
  • Page 39 PARTS LIST ( PCB ) S 1731 Outdoor, S 1735 Outdoor PCB ASSEMBLY(MAIN) AC-377, AC-379 ALTERNATIVE Ref. No. PARTS NAME PARTS No. Q'TY CE-38700 for AC-377 CE-38710 for AC-379 Film Cap. ECQE2A103D69 C10,11 Electrolytic Cap. 25ME47AX+T C105,106,107,108 Ceramic Cap. GRM188B11H331KA01D C12,16 Electrolytic Cap.
  • Page 40 PARTS LIST ( PCB ) S 1731 Outdoor, S 1735 Outdoor PCB ASSEMBLY(MAIN) AC-377, AC-379 D45,46 Diode RB751V-40TE-17 Bridge Diode D15XB60-7009F13 Bridge Diode D15XB60-7001 DQ33,34,35 Transistor(BRT Type) DTC143XUAT106 DQ36,38 Transistor(BRT Type) DTA114EUAT106 Heat Sink OSH-1625-WFL Switching Power IC MIP0222SY IC10...
  • Page 41 PARTS LIST ( PCB ) S 1731 Outdoor, S 1735 Outdoor PCB ASSEMBLY(MAIN) AC-377, AC-379 R29,33,36,39 Chip Res. MCR10EZHJ103 R30,40,41,46,47,73,99,169 Chip Res. RPC05T223J R31,32 Chip Res. RPC1ST473J Chip Res. RK73B2ATTD100J Chip Res. RK73B2ATTD680J Chip Res. MCR50JZHJ471 Cement Res. BPR58CF20LJ R42,89,90,95,96,100,102 Chip Res.
  • Page 42 PARTS LIST ( PCB ) S 1731 Outdoor, S 1735 Outdoor PCB ASSEMBLY(FILTER) AC-378 ALTERNATIVE Ref. No. PARTS NAME PARTS No. Q'TY CE-38800 C1,3 Film Cap. ECQU2A105MLA C4,5,6,7,11 Ceramic Cap. DE2E3KH472MN3A Current Fuse CES15-12A F021 D1,6 Diode S1J-E3/11T Jumpere Wire...

  • Page 43: Semiconductor Lead Identification

    SEMICONDUCTOR LEAD IDENTIFICATION S 1731 Indoor S 1735 Indoor AC-359, AC-382, AC-383 1 GNC 2 IN 3 OUT – 42 –...
  • Page 44 SEMICONDUCTOR LEAD IDENTIFICATION S 1731 Outdoor S 1735 Outdoor AC-377, AC-378, AC-379 – 43 –...
  • Page 45 SEMICONDUCTOR LEAD IDENTIFICATION S 1731 Outdoor S 1735 Outdoor AC-377, AC-378, AC-379 TA78L005AP – 44 –...
  • Page 46 SEMICONDUCTOR PIN FUNCTION S 1731 Indoor, S 1735 Indoor SEMICONDUCTOR Pin No. Signal Name Function In/Out Active Voltage A/D Input Sensor(Room Temp.) See 53 Page A/D Input Sensor(Heat Exchanger Temp.) See 55 Page Munual Sw. Input Munual Sw. Input 5Vor0V...
  • Page 47 SEMICONDUCTOR PIN FUNCTION Fig.1 Fig.2 t= 10ms t= 10ms Fig.3 R.P.M.(FAN MOTOR) – 46 –...
  • Page 48 SEMICONDUCTOR PIN FUNCTION S 1731 Outdoor, S 1735 Outdoor SEMICONDUCTOR IC2 PIN FUNCTION Pin No. Signal Name Function In/Out Active Voltage VCCL 15V Power Supply POWER COML Common Supply GND INUL INVERTER U- Input 4Vor0V INVL INVERTER V- Input 4Vor0V...
  • Page 49 SEMICONDUCTOR PIN FUNCTION IC3 PIN FUNCTION Pin No. Signal Name Function In/Out Active Voltage Resonator In 14.7MHz Xout Resonator Out 14.7MHz IC3 Power Supply POWER IC3 RESET Input H:5V RESET(IC4) Up to 4.2V= H L:0V Less than 4.2V= L IC9 14Pin INVERTER -W Output 5Vor0V IC9 12Pin...

  • Page 50: Thermistor Resistance Chart

    THERMISTOR RESISTANCE CHART SENSOR, ROOM TEMPERATURE Indoor Unit SENSOR, ROOM TEMPERATURE B CONSTANT 4150 • • • • • • • • • • • • • • • • • • • • • • • • °C STANDARD TEMPERATURE 25.0 •...
  • Page 51 THERMISTOR RESISTANCE CHART Indoor Unit SENSOR, ROOM TEMPERATURE B CONSTANT 4150 • • • • • • • • • • • • • • • • • • • • • • • • STANDARD TEMPERATURE 25.0°C • • • • • • • • • • • • • STANDARD RESISTANCE •...
  • Page 52 THERMISTOR RESISTANCE CHART SENSOR, HEAT EXCHANGER TEMPERATURE Indoor Unit SENSOR, HEAT EXCHANGER TEMPERATURE B CONSTANT 3700 • • • • • • • • • • • • • • • • • • • • • • • • STANDARD TEMPERATURE 25.0°C •...
  • Page 53 THERMISTOR RESISTANCE CHART Indoor Unit SENSOR, HEAT EXCHANGER TEMPERATURE B CONSTANT 3700 • • • • • • • • • • • • • • • • • • • • • • • • STANDARD TEMPERATURE 25.0°C • • • • • • • • • • • • • STANDARD RESISTANCE •...
  • Page 54 THERMISTOR RESISTANCE CHART SENSOR, DEFROST TEMPERATURE Outdoor Unit SENSOR, DEFROST TEMPERATURE B CONSTANT 3700 • • • • • • • • • • • • • • • • • • • • • • • • STANDARD TEMPERATURE 25.0°C •...
  • Page 55 THERMISTOR RESISTANCE CHART Outdoor Unit SENSOR, DEFROST TEMPERATURE B CONSTANT 3700 • • • • • • • • • • • • • • • • • • • • • • • • STANDARD TEMPERATURE 25.0°C • • • • • • • • • • • • • STANDARD RESISTANCE •...
  • Page 56 THERMISTOR RESISTANCE CHART SENSOR, DISCHARGE TEMPERATURE Outdoor Unit SENSOR, DISCHARGE TEMPERATURE B CONSTANT 4250 • • • • • • • • • • • • • • • • • • • • • • • • STANDARD TEMPERATURE 80.0°C •...
  • Page 57 THERMISTOR RESISTANCE CHART Outdoor Unit SENSOR, DISCHARGE TEMPERATURE B CONSTANT 4250 • • • • • • • • • • • • • • • • • • • • • • • • STANDARD TEMPERATURE 80.0°C • • • • • • • • • • • • • STANDARD RESISTANCE •...
  • Page 58 THERMISTOR RESISTANCE CHART SENSOR, OUTDOOR TEMPERATURE Outdoor Unit SENSOR, OUTDOOR TEMPERATURE B CONSTANT 3700 • • • • • • • • • • • • • • • • • • • • • • • • STANDARD TEMPERATURE 25.0°C •...
  • Page 59 THERMISTOR RESISTANCE CHART Outdoor Unit SENSOR, OUTDOOR TEMPERATURE B CONSTANT 3700 • • • • • • • • • • • • • • • • • • • • • • • • STANDARD TEMPERATURE 25.0°C • • • • • • • • • • • • • STANDARD RESISTANCE •...

  • Page 60: Exploded View ( Indoor Unit )

    EXPLODED VIEW ( INDOOR UNIT ) S 1731 Indoor accessories – 59 –...
  • Page 61 EXPLODED VIEW ( INDOOR UNIT ) S 1735 Indoor – 60 –...

  • Page 62: Exploded View ( Outdoor Unit )

    EXPLODED VIEW ( OUTDOOR UNIT ) S 1731 Outdoor S 1735 Outdoor accessories – 61 –...

  • Page 63: Parts List ( Indoor Unit )

    PARTS LIST ( INDOOR UNIT ) S 1731 Indoor CONTROLLER ASSY. 20446670 PCB (MAIN) 30066610 PCB (RECEIVER & DISPLAY) 30055510 30013610 SENSOR 30055070 (TEMP,ROOM & HEAT EXCHAGER) 30054290 30021680 TRANSFORMER 51955370 30055520 TERMINAL BLOCK 51620840 CORD,POWER SUPPLY 30021550 FRONT PANEL...
  • Page 64 PARTS LIST ( INDOOR UNIT ) PARTS NAME S 1735 Indoor 20446680 CONTROLLER ASSY. 30066620 PCB (MAIN) 30055510 PCB (RECEIVER & DISPLAY) 30013610 SENSOR 30055070 (TEMP,ROOM & HEAT EXCHAGER) 30054290 51620840 TERMINAL BLOCK 30021550 CORD,POWER SUPPLY 20088200 FRONT PANEL ASSY. 20431521 INLET GRILLE 20048710...

  • Page 65: Parts List ( Outdoor Unit )

    PARTS LIST ( OUTDOOR UNIT ) PARTS NAME S 1731 Outdoor S 1735 Outdoor 20444970 TOP PANEL ASSY. 20413612 FRONT PANEL 30061680 COMPRESSOR 20445011 BOTTOM PANEL ASSY. 20415191 RIGHT SIDE PANEL ASSY. 20415201 LEFT SIDE PANEL ASSY. 30061700 VIBRATION PROOF RUBBER (comp.)
  • Page 66 RA-42-[1] ISSUED DEC.2005 Printed in Japan...

Table of Contents