LG HPWI-C20E Service Manual
  1. Manuals
  2. Brands
  3. LG Manuals
  4. Air Conditioner
  5. HPWI-C20E
  6. Service manual
LG HPWI-C20E Service Manual

LG HPWI-C20E Service Manual

Multi type room air conditioner
Hide thumbs
Table of Contents

Advertisement

Quick Links

INDOOR UNINT
• ROOM TYPE
HPWI-C20E(AMNN076MQA0)
HPWI-C25E(AMNN096MQA0)
HPWI-C35E(AMNN126MRA0)
HPWI-C50E(AMNN186MTA0)
HPWI-C70E(AMNN246MTA0)
• CONVERTIBLE TYPE
HPFI-C50E(AMNN186VBA0)
• CASSETTE TYPE
HPCI-C50E(AMNN186TEA0)
HPCI-C35E(AMNN126TEA0)
• DUCT TYPE
HPDI-C25E(AMNN096BTG0)
HPDI-C35E(AMNN126BTG0)
HPDI-C50E(AMNN186BHA0)
OUTDOOR UNINT
HPI-C2077(A2UN186FA0)
HPI-C3077(A3UN216FA0)
HPI-C4108(A4UN306FA0)
Multi Type Room

Air Conditioner

SERVICE MANUAL

Advertisement

Table of Contents
loading

Related Manuals for LG HPWI-C20E

Summary of Contents for LG HPWI-C20E

  • Page 1: Air Conditioner

    Multi Type Room Air Conditioner SERVICE MANUAL INDOOR UNINT • ROOM TYPE HPWI-C20E(AMNN076MQA0) HPWI-C25E(AMNN096MQA0) HPWI-C35E(AMNN126MRA0) HPWI-C50E(AMNN186MTA0) HPWI-C70E(AMNN246MTA0) • CONVERTIBLE TYPE HPFI-C50E(AMNN186VBA0) • CASSETTE TYPE HPCI-C50E(AMNN186TEA0) HPCI-C35E(AMNN126TEA0) • DUCT TYPE HPDI-C25E(AMNN096BTG0) HPDI-C35E(AMNN126BTG0) HPDI-C50E(AMNN186BHA0) OUTDOOR UNINT HPI-C2077(A2UN186FA0) HPI-C3077(A3UN216FA0) HPI-C4108(A4UN306FA0)

  • Page 2: Table Of Contents

    Contents Functions............................3 Product Specifications .........................6 Dimensions..........................12 Wiring Diagram ...........................17 Refrigeration Cycle Diagram......................19 Operation Details ........................20 Display Function .........................39 Self-diagnosis Function ......................39 Installation of Indoor, Outdoor Unit ..................40 Operation .............................80 Disassembly of the parts (Indoor Unit) ..................85 Valve service(3-way) ........................92 Cycle Troubleshooting Guide ....................96 Electronic Parts Troubleshooting Guide...................97 Electronic Control Device ......................110...

  • Page 3: Functions

    Functions Indoor Unit Operation ON/OFF by Remote controller Sensing the Room Temperature • Room temperature sensor. (THERMISTOR) Room temperature control • Maintains the room temperature in accordance with the Setting Temp. Starting Current Control • Indoor fan is delayed for 5 seconds at the starting. Time Delay Safety Control •...
  • Page 4 Outdoor Unit Power relay control • If power is on, it will operate to chage capacitor on controller and power relay will operate after about 10sec. Comp. Freq. control • The final operating freq. of comp. is set the lowest freq. that limited outdoor temp., discharge pipe temp., target freq., owing to CT.

  • Page 5: Remote Controller

    Remote Controller Operation ON/OFF Operation Mode Selection Cooling Operation Mode.( Auto Operation Mode.( (Cooling (Heating Healthy Dehumidification Operation Mode.( Heating Operation Mode.( model only) model only) Fan Speed Selection (Low) (Med) (High) (CHAOS) Room, Temperature Display : (High: 39°C LOW : 11°C) Temperature Setting Down to 18°C Down to 16°C...

  • Page 6: Product Specifications

    Product Specifications HPWI-C20E HPWI-C25E HPWI-C35E HPWI-C50E Indoor Model (AMNN076MQA0) (AMNN096MQA0) (AMNN126MRA0) (AMNN186MTA0) Item Outdoor HPI-C2077(A2UN186FA0), HPI-C3077(A3UN216FA0) Btu/h 7,000 9,000 12,000 18,000 Cooling Capacitor (Indoor) 2,051 2,637 3,517 5,274 Btu/h 23,400 Max. Cooling Capacitor (Outdoor) 6,856 Btu/h 8,000 10,000 13,000 19,000...
  • Page 7 HPWI-C20E HPWI-C25E HPWI-C35E HPWI-C50E HPWI-C70E Indoor Model (AMNN076MQA0) (AMNN096MQA0) (AMNN126MRA0) (AMNN186MTA0) (AMNN246MTA0) Item HPI-C4108(A4UN306FA0) Outdoor Btu/h 7,000 9,000 12,000 18,000 23,000 Cooling Capacitor (Indoor) 2,051 2,637 3,517 5,274 6,739 Btu/h 31,000 Max. Cooling Capacitor (Outdoor) 9,083 Btu/h 8,000 10,000 13,800...
  • Page 8 HPCI-C35E HPCI-C50E HPFI-C50E Indoor Model (AMNN126TEA0) (AMNN186TEA0) (AMNN186VBA0) Item Outdoor HPI-C2077(A2UN186FA0), HPI-C3077(A3UN216FA0) Btu/h 12,000 18,000 18,000 Cooling Capacitor (Indoor) 3,517 5,275 5,275 Btu/h 23,400 Max. Cooling Capacitor (Outdoor) 6,856 Btu/h 13,800 19,000 19,000 Heating Capacitor (Indoor) 4,044 5,567 5,567 Btu/h 25,200 Max.
  • Page 9 HPCI-C35E HPCI-C50E HPFI-C50E Indoor Model (AMNN126TEA0) (AMNN186TEA0) (AMNN186VBA0) Item Outdoor HPI-C4108(A4UN306FA0) Btu/h 12,000 18,000 18,000 Cooling Capacitor (Indoor) 3,517 5,275 5,275 Btu/h 23,400 Max. Cooling Capacitor (Outdoor) 6,856 Btu/h 13,800 19,000 19,000 Heating Capacitor (Indoor) 4,044 5,567 5,567 Btu/h 25,200 Max.
  • Page 10 HPDI-C25E HPDI-C35E HPDI-C50E Indoor Model (AMNN096BTG0) (AMNN126BTG0) (AMNN186BHA0) Item Outdoor HPI-C2077(A2UN186FA0), HPI-C3077(A3UN216FA0) Btu/h 9,000 12,000 18,000 Cooling Capacitor (Indoor) 2,637 3,517 5,274 Btu/h 23,400 Max. Cooling Capacitor (Outdoor) 6,856 Btu/h 10,000 13,000 19,000 Heating Capacitor (Indoor) 2,930 3,809 5,567 Btu/h 25,200 Max.
  • Page 11 HPDI-C25E HPDI-C35E HPDI-C50E Indoor Model (AMNN096BTG0) (AMNN126BTG0) (AMNN186BHA0) Item Outdoor HPI-C4108(A4UN306FA0) Btu/h 9,000 12,000 18,000 Cooling Capacitor (Indoor) 2,637 3,517 5,274 Btu/h 31,000 Max. Cooling Capacitor (Outdoor) 9,083 Btu/h 10,000 13,800 19,000 Heating Capacitor (Indoor) 2,930 4,044 5,567 Btu/h 34,000 Max.

  • Page 12: Dimensions

    Dimensions 1. Indoor Unit • Room Type Indoor Unit Installation plate MODEL HPWI-C20E(AMNN076MQA0) HPWI-C50E(AMNN186MTA0) HPWI-C35E(AMNN126MRA0) HPWI-C25E(AMNN096MQA0) HPWI-C70E(AMNN246MTA0) 1,090 - 12 -...
  • Page 13 • Convertible Type Indoor Unit 1 2 0 0 m m 205mm 63mm 38mm 175mm (Installation Plate) 250mm (Rear Side) - 13 -...
  • Page 14 • Cassette Type Indoor Unit CLOSE OPEN OPEN CLOSE - 14 -...
  • Page 15 • Duct Type Indoor Unit -9k/12k Drainage hole (Unit:mm) Dimension Capacity 9/12K -18k Dimension W(mm) H(mm) D(mm) Capacity - 15 -...
  • Page 16 2. Outdoor Unit HPI-C2077(A2UN186FA0) MODEL HPI-C4108(A4UN306FA0) HPI-C3077(A3UN216FA0) - 16 -...

  • Page 17: Wiring Diagram

    Wiring Diagram 1. Room Type Indoor Unit 3854A20135F 2. Cassette Type Indoor Unit INDOOR DRAIN STEP MOTOR PUMP MOTOR GN/YL FUSE 250V 5A FUSE T3.15A PIPE SENSOR FLOAT S/W CN - DISP TERMINAL DISPLAY PCB BLOCK INDOOR WIRING DIAGRAM 3854A20221A 3.
  • Page 18 4. Duct Type Indoor Unit -9k/12k TEMP. PIPE. REMOTE RF REMOTE THERMISTOR THERMISTOR FLOAT S/W CONTROL CONTROL CN-ROOM CN-PIPE1 CN-FLOAT CN-REMO CN-DISP GN/YL FUSE 250V 3.15A POWER 3854A20128U -18k TEMP. PIPE. REMOTE RF REMOTE THERMISTOR THERMISTOR FLOAT S/W CONTROL CONTROL CN-ROOM CN-PIPE CN-FLOAT...

  • Page 19: Refrigeration Cycle Diagram

    Refrigeration Cycle Diagram 1. HPI-C2077(A2UN186FA0) Refrigerant flow Indoor Unit Outdoor Unit B-gas pipe sensor A-gas pipe sensor Gas side Service Valve 4-WAY VALVE UNIT-B UNIT-A Heating sensor Discharge pipe sensor Indoor temperature sensor Comp Heat Exchanger A-LEV B-LEV Strainer Liquid side Service Valve 2.

  • Page 20: Operation Details

    Operation Details 1. Room Type Indoor Unit (1) The Function of main control • DISPLAY Operation Indicator • On while in appliance operation, off while in appliance pause • Flashing while in disconnection or short in Thermistor (3 sec off / 0.5 sec on) Sleep Timer Indicator •...
  • Page 21 • While in compressor off, the indoor fan is off when the indoor pipe temp is below 33°C, when above 35°C , it operates with the low airflow speed. • If overloaded while in heating mode operation, in order to prevent the compressor from OLP operation, the outdoor fan is turned on/off according to the indoor pipe temp.
  • Page 22 2) Fuzzy Operation for Dehumidification • According to the setting temperature selected by Fuzzy rule, when the intake air temp is 0.5°C or more below the setting temp, the compressor is turned off. When 0.5°C or more above the setting temp, the compressor is turned on.

  • Page 23: Sleep Timer Operation

    Off-Timer <=> On-Timer Operation • When the set time is reached after the on/off time is input by the remote control, the on/off-timer operation is carried out according to the set time. Sleep Timer Operation • When the sleep time is reached after <1,2,3,4,5,6,7,0(cancel) hr> is input by the remote control while in appli- ance operation, the operation of the appliance stops.
  • Page 24 Forced Operation • To operate the appliance by force in case that the remote control is lost, the forced operation selection switch is on the main unit of the appliance to operate the appliance in the standard conditions. • When the power is supplied while the slide switch is on the forced operation position, or when the slide switch position is switched to the Auto Restarting (or test operation) position or switched from the remote control position to the forced operation position while the power is on, the forced operation is carried out.
  • Page 25 2. Cassette Type Indoor Unit (1) The function of main control Time Delay Safety Control • 3 min ... The compressor is ceased for 3minutes to balance the pressure in the refrigeration cycle. (Protection of compressor) • 5 sec ... Vertical air flow direction control louvers open in 5 seconds to prevent noise between louvers and wind. •...
  • Page 26 Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following. Intake Air temp. minimum 3min Setting temp.+3°C (Compressor OFF) Setting temp. (Compressor ON) minimum minimum minimum 1min 10sec.
  • Page 27 Defrost Control • While in heating mode operation in order to protect the evaporator pipe of the outdoor unit from freezing, reversed to cooling cycle to defrost the evaporator pipe of the outdoor unit. • Defrost control is available 45 min. later since heating mode operation started, and it will not prolong over 10 min. •...

  • Page 28: Time Delay Safety Control

    3. Convertible Type Indoor Unit (1) The function of main control Time Delay Safety Control • 3min … The compressor is ceased for 3minutes to balance the pressure in the refrigeration cycle. (Protection of compressor) • 5sec … Vertical air flow direction control louvers open in 5 seconds to prevent noise between louvers and wind. •...
  • Page 29 3. Cooling Mode Operation • When selecting the Cooling( ) Mode Operation, the unit will operate according to the setting by the remote con- troller and the operation diagram is as following Intake Air temp. COMP. ON (SET TEMP.+0.5°C) COMP. OFF (SET TEMP.
  • Page 30 5. Auto Operation • The operation procedure is as following. (Cooling & Heating Model) Press Start/Stop Button Select Auto Operation Mode Check the Room temperature Operation mode Indoor fan speed are automatically decided by Fuzzy rule. Setting temperature Intake-air below Over below 21°C Over 24°C...
  • Page 31 • Auto Operation for Soft Dry The Setting temperature will be same as that of the current intake-air temperature. - Compressor ON temperature; Setting temperature +1°C - Compressor OFF temperature; Setting temperature -0.5°C • Auto Operation for Heating. Intake Air temp. below 20°C over 20 ~below 21°C Setting temp.
  • Page 32 6. Natural wind by CHAOS logic For more fresh feeling than other fan speed mode, press the indoor fan Speed Selector and set to CHAOS mode. In this mode, the wind blows like natural breeze by auto- matically changing fan speed according to the CHAOS logic.
  • Page 33 7. Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following. • For Heating Model Indoor piping temp. 28°C 26°C Intake Air temp. Setting temp. +3.0˚C (Compressor OFF) Setting temp.

  • Page 34: Deice Control

    9. Deice Control • Deicing operation is controlled by timer and sensing the outdoor piping temperature. • The first deicing starts only when the outdoor pipe temperature falls below -6°C after 45(30) minutes passed from starting of heating operation. • Deicing ends after 10(6) minutes passed from starting of deice operation or when the outdoor pipe temperature rises over 12°C even if before 10(6) minutes.
  • Page 35 11. Forced operation • If you lose wireless remote controller, you can operate the unit with forced operation switch. • The standard conditions are as following. Heat pump Model Cooling Model Room Temp 24°C 21°C Room Temp 24°C Room Temp 21°C Operation Mode Cooling Cooling...
  • Page 36 4. Cassette Type Indoor Unit (1) The function of main control Time Delay Safety Control • 3 min ... The compressor is ceased for 3minutes to balance the pressure in the refrigeration cycle. (Protection of compressor) • 5 sec ... The 4-way valve is ceased for 5 sec. to prevent the refrigerant-gas abnormal noise when the Heating operation is OFF or switched to the other operation mode when compress is off.
  • Page 37 Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following. Intake Air temp. minimum 3min Setting temp.+3°C (Compressor OFF) Setting temp. (Compressor ON) minimum minimum minimum 1min 10sec.
  • Page 38 Defrost Control • While in heating mode operation in order to protect the evaporator pipe of the outdoor unit from freezing, reversed to cooling cycle to defrost the evaporator pipe of the outdoor unit. • Defrost control is available 45 min. later since heating mode operation started, and it will not prolong over 10 min. •...

  • Page 39: Display Function

    Display Function Operation Indicator • Cooling, Soft Dry, Fan, Heating Sleep Timer Indicator • Sleep Mode Timer Indicator • Timer Mode Defrot Indicator • Hot-start, Defrost Self-diagnosis Function Error Indicator • The function is to self-diagnoisis airconditioner and express the troubles identifically if there is any trouble. •...

  • Page 40: Installation Of Indoor, Outdoor Unit

    Installation of Indoor, Outdoor Unit 1. Selection of the best location (1) Indoor unit 1. Room Type Indoor Unit Front There should not be any heat source or steam near the • Left unit. • There should not be any obstacles to prevent the air cir- Rear left culation.
  • Page 41 3. Convertible Type Indoor Unit More than • There should not be any heat source or steam near the 20cm unit. • There should not be any obstacles to prevent the air cir- More than culation. 20cm • A place where air circulation in the room will be good. •...
  • Page 42 (2) Outdoor unit • If an awning is built over the unit to prevent more than more than direct sunlight or rain exposure, be careful that 10cm 20cm heat radiation from the condenser is not restrict- • There should not be any animals or plants which could be affected by hot air discharged.

  • Page 43: Piping And Drainage Of Indoor Unit

    2. Piping and Drainage of Indoor Unit (1) Preparation of pipings 1. Cut the pipes and the cable. • Use the accessory piping kit or the pipes pur- chased locally. Copper • Measure the distance between the indoor and Slanted Uneven Rough tube 90°...
  • Page 44 Piping Connection 1. Form the piping according to its routing. Avoid bending and bending back the same piping point more than three times. (This will result in hard- Liquid side ening the pipe.) 2. After deforming the piping, align centers of the Indoor union fitting of the indoor unit and the piping, and unit...

  • Page 45: The Indoor Unit Installation

    3. The Indoor Unit Installation Installation Plate (1) Room Type Indoor Unit The mounting wall should be strong and solid enough to protect it from the vibration. 1. Mount the installation plate on the wall with four Type "A" screws. marking-off line Type "A"...
  • Page 46 1) Connection of Pipings Installation plate 1. Remove the installation plate • Pull the two '∆' marked portion of bottom of the chassis and pull the installation plate out of chas- sis. Pull 2. Route the drain hose and the indoor tubing. Pull For left rear piping 3.
  • Page 47 6. Indoor unit installation. • Hook the indoor unit onto the upper position of the installation plate. (Engage the two hooks of the rear top of the indoor unit with the upper Connecting edge of the installation plate.) cable Ensure the hooks are properly seated on the installation plate by moving it in left and right.
  • Page 48 9. Set the pipings and the connecting cable to the back of the chassis with the tubing holder. • Hook the edge of tubing holder to tap on chas- sis and push the bottom of tubing holder to be engaged in the bottom of chassis. Drain hose Taping Piping...
  • Page 49 (2) Cassette Type Indoor Unit 1) Ceiling opening dimensions and hanging bolt location • The dimensions of cardboard for installing are the 600 (Ceiling opening) same as those of the ceiling opening dimensions. 521(Hanging bolt) 39.5 39.5 Ceiling Level gauge 570 Unit size CAUTION •...
  • Page 50 Ceiling Keep the length of the bolt Hanging bolt from the bracket to 40mm (W3/8 or M10) Flat washer for M10 Air Conditioner body (W3/8 or M10) (accessory) Ceiling board Ceiling board Spring washer (M10) Flat washer for M10 (accessory) Set screw of Cardboard for installation...
  • Page 51 2) Installation of Decorative Panel The decorative panel has its installation Before installing the decorative panel, direction. always remove the paper template. 1. Temporarily fix two decorative panel fixing screws (hexagon M5 screw) on the unit body. (Tighten by amount 10mm in length.) The fixing screws (hexagon M5 screw) are included the indoor unit box.
  • Page 52 (3) Convertible Type Indoor Unit Before Installing, prepare Installation Plates • 'Installation Plates' are attached at the bottom of Side Plate indoor unit. Detach them by removing each 3 screws at both sides. • Detach 'Side Plate (R,L)' by removing each 2 screws on both sides.
  • Page 53 • Insert the nuts and washer onto the suspension bolts Anchor nut for locking the suspension bolts on the ceiling. Ceiling • Mount the suspension bolts to the anchor-nuts firmly. • Secure the Installation plates onto the Suspension Washer bolts (adjust level roughly.) using nuts, washers and Suspension bolts spring washers.
  • Page 54 CAUTION 1. Install declination of the indoor unit is very important for the drain of the convertible type air conditioner. 2. Minimum thickness of the insulation for the connecting pipe shall be 7mm. 3. If the Installation Plates are fixed to horizontal line, the indoor unit after installing will be declined to the bottomside.
  • Page 55 • Secure the unit to the Installation Plates with four M8 bolts and washers. • Before working, refer to "Connecting pipe and cable to Indoor Unit" on page 60. • Hook up the Inlet Grille Hook to the cabinet. Inlet hanger •...
  • Page 56 2) Installation on the Wall • Select and mark the position for fixing bolts and piping hole. Decide the position for fixing bolts slightly tilted to the drain direction after considering the direction of drain hose. • Drill the hole for anchor nut on the wall. •...
  • Page 57 Install the Indoor unit onto Installation Plate. • Insert 2 hooks on the both left and right side of the unit Inner slot to the inner slot (wall side) of the Installation Plate. • Secure the unit to the Installation Plate with four M8 bolts and washers.
  • Page 58 3) Installation on the floor Installation of Mount Bracket. From the left wall • Select and mark the position for Mount Brackets and more than 760mm the piping hole. • Drill the hole for the anchor nut on the wall. From the •...
  • Page 59 4) Connecting the pipes to the indoor unit (Installation on the ceiling) The pipe can be connected to right side, bottom or back of the unit. 1. For the Right Side Piping • After bending an end of the connecting tube, align the center of the pipings and sufficiently tighten the flare nut with fingers.
  • Page 60 6) Connecting the pipes to the indoor unit (Installation on the wall or floor) 1. For the Right Rear Piping • Remove the knock-out at the back side of the cabinet. • After bending an end of the connecting tube, align the Piping center of the pipings and sufficiently tighten the flare nut with fingers.
  • Page 61 (4) Duct Type Indoor Unit Installation of Unit Install the unit above the ceiling correctly. CASE 1 POSITION OF SUSPENSION BOLT • Apply a joint-canvas between the unit and duct to absorb unnecessary vibration. • Apply a filter Accessory at air return hole. (Unit:mm) Dimension Capacity...
  • Page 62 CASE 2 • Install the unit leaning to a drainage hole side as a figure for easy water drainage. POSITION OF CONSOLE BOLT • A place where the unit will be leveled and that can support the weight of the unit. •...
  • Page 63 • Select and mark the position for fixing bolts. • Drill the hole for set anchor on the face of ceiling. • Insert the set anchor and washer onto the suspen- sion bolts for locking the suspension bolts on the Old building New building ceiling.
  • Page 64 CAUTION 1. Install declination of the indoor unit is very important for the drain of the duct type air conditioner. 2. Minimum thickness of the insulation for the connecting pipe shall be 5mm. Front of view • The unit must be horizontal or declined to the drain hose connected when finished installation. Ceiling Drainage hole Drainage hole...

  • Page 65: Refrigerant Pipe

    • Drill the piping hole with 70mm dia, hole core WALL Indoor Outdoor drill. • Piping hole should be slightly slant to the out- door side. 5~7mm INSULATION, OTHERS Insulate the joint and tubes completely. THERMAL INSULATION All thermal insulation must comply with local requirement. INDOOR UNIT Union for liquid pipe Thermal insulator for refrigerant pipe...

  • Page 66: Installation Of Remote Controller

    Install the remote control box and cord INSTALLATION OF REMOTE CONTROLLER correctly. POINT OF REMOTE CONTROLLER INSTALLATION • Although the room temperature sensor is in the indoor unit, the remote control box should be installed in such places away from direct sunlight and high humidity. INSTALLATION OF THE REMOTE CONTROLLER ROUTING OF THE REMOTE CONTROL CORD •...

  • Page 67: Piping Length And Elevation

    PIPING LENGTH AND ELEVATION Standard Max. Max. Additional Pipe Size Min. Length Capicity Length Length Elevation Refrigerant (Btu/h) LIQUID (g/m) 3/8" 1/4" 1/2" 1/4" 1/2" 1/4" (Rated performance at standard pipe length.) Please note that the minimum pipe length must be kept according to the table above. Total maximum pipe length for 2 and 3 room outdoor unit should be less than 45m 4 room outdoor unit should be less than 60m.
  • Page 68 (5) Connecting Pipings and the cable to Outdoor unit 1) Connecting the pipings to the Outdoor unit 1. When piping installation work you must be used the 2. Align the center of the pipings and sufficiently tight- connector. en the flare nut by hand Indoor Units Liquid Ø9.52 Ø12.7...
  • Page 69 2) Connection of the cable 1. Room Type Indoor Unit 2. Cassette Type Indoor Unit • Remove the cover control from the unit by loos- • Open the control box cover and connect the Indoor ening the screw. power wires. Connect the wires to the terminals on the control board individually.
  • Page 70 3. Convertible Type Indoor Unit 1) Remove the Air guide - L by loosening 2 screws after removing the Inlet grille from the Indoor unit. 2) Connect the wires to the terminals on the con- AIR GUIDE-L trol board individually according to the outdoor unit connection.
  • Page 71 3) Electrical Wiring Outdoor unit 1. Remove the cover control from the unit by loosen- ing the screw. Terminal block Connect the wires to the terminals on the control Over 5mm board individually as the following. Holder for Terminal on the OUTDOOR UNIT OUTDOOR UNIT power supply cord...
  • Page 72 4. Remote Controller Installationa HOW TO MOUNT ONTO A WALL HOW TO INSERT BATTERIES Remove the battery cover from the remote controller. • Slide the cover according to the arrow direction. • Do not use rechargeable batteries, such batter- ies differ from standard dry cells in shape, dimensions, and performance.

  • Page 73: Checking The Drainage And Pipe Forming

    5. Checking the Drainage and Pipe forming (1) Checking the Drainage 1) Room Type Indoor Unit 1. Remove the Grille from the cabinet • Set the up-and-down air direction louver to open position(horizontally) by finger pressure. • Remove the securing screws. Screw •...
  • Page 74 3) Convertible Type Indoor Unit 1. Remove the Air Filter. • To remove air filter, take hold of tab and pull slightly upwards. 2. Check the drainage. • Spray one or two glasses of water upon the evaporator. • Ensure that water flows drain hose of indoor unit without any leakage.
  • Page 75 In case of the Outdoor unit is installed upper position of the Indoor unit. Seal a small opening 1. Tape the Pipings and Connectiong cable from around the pipings down to up. with gum type sealer. Trap 2. Form the pipings gathered by taping along the exterior wall and the Trap to be required to prevent the room from entering the water.
  • Page 76 (4) Air Purging of the Pipings and indoor unit The air which contains moisture remaining in the is refrigeration cycle may cause a malfunction on the compressor. 1. Confirm that both the liquid side valve and the gas side valve are set to the closed position. 2.
  • Page 77 (5) Maximum Length of Pipe and Freon Extra Charge Charge amount per 1m CONNECTION TYPE Capacity STANDARD Charge am't(g) (Btu/h) LENGTH(m) per 1m ~7000 ~9000 ~12000 ~24000 B(Length) INDOOR UNIT A(Height) OUTDOOR UNIT C(Height) INDOOR UNIT D(Length) ** A, B mean indoor unit higher located than outdoor unit. C, D mean outdoor unit higher located than indoor unit.

  • Page 78: Test Running

    6. Test Running 1. Check that all tubing and wiring have been properly Bolt connected. 2. Check that the gas and liquid side service valves are fully open. (1) Prepare remote controller Remove the battery cover by pulling it according to the arrow direction.
  • Page 79 CAUTION After the confirmation of the above conditions, prepare the wiring as follows: 1) Never fail to have an individual power specialized for the air conditioner. As for the method of wiring, be guided by the circuit diagram pasted on the inside of control box cover. 2) Provide a circuit breaker switch between power source and the unit.

  • Page 80: Operation

    Operation Room type Indoor Unit 1. Name and Function-Remote Controller(Door Opened) The remote control transmits the signals to the system. START/STOP BUTTON Remote Control Operation starts when this button is pressed and stops when the button is pressed again. Signal transmitter OPERATION MODE SELECTION BUTTON Used to select the operation mode.
  • Page 81 Cassette Type Indoor Unit 1. Name and funcition-Remote Controller (Door Closed) Room type (Chaos) START/STOP BUTTON Operation starts when this button is pressed and stops when the button is pressed again. Cassette type (Auto) OPERATION MODE SELECTION BUTTON Used to select the operation mode. ROOM TEMPERATURE SETTING BUTTONS Used to select the room temperature.
  • Page 82 2. Name and Function-Remote Control (Door Opened) ON/OFF TIMER BUTTONS Signal transmitter Used to set the time of starting and stopping opera- tion. TIME SETTING BUTTONS Used to adjust the time. TIMER SET/CANCEL BUTTONS Used to set the timer when the desired time is obtained and to cancel the Timer operation.
  • Page 83 Convertible Type Indoor Unit 1. Name and funcition-Remote Controller (Door Opened) OPERATION DISPLAY Displays the operation conditions. Signal transmitter START/STOP BUTTON Operation starts when this button is pressed and stops when the button is pressed again. OPERATION MODE SELECTION BUTTON Used to select the operation mode.
  • Page 84 Duct Type Indoor Unit 1. Name and funcition-Remote Controller (Door Opened) AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION Room Temp AUTO Heater Preheat Defrost Humidify Filter Out door Time ZONE 1 2 3 4 Timer Operation unit Program set Set no.

  • Page 85: Disassembly Of The Parts (Indoor Unit)

    Disassembly of the parts (Indoor unit) (1) Room Type Indoor Unit Warning : Disconnect the unit from power supply before mak- ing any checks. Be sure the power switch is set to “OFF”. To remove the Grille from the Chassis. •...
  • Page 86 2. To remove the Control Box. • Remove securing screws. • Pull the control box out from the chassis care- fully. 3. To remove the Discharge Grille. • Unhook the discharge grille and pull the dis- charge grille out from the chassis carefully. 4.
  • Page 87 • Unhook the tab on the right inside of the chas- sis at the same time, slightly pull the evapora- tor toward you until the tab is clear of the slot. 5. To remove the Motor Cover • Remove 2 securing screw. •...
  • Page 88 (2) Convertible Type Indoor Unit Warning : Disconnect the unit from power supply before mak- ing any checks. Be sure the power switch is set to “OFF”. 1. Remove the air filter. • Pull the inlet grille slightly toward you. •...
  • Page 89 4. Remove air guide upper, crossflow fan and motor. • Remove the screws of both sides and center securing the upper air-guide. • Remove 2 screws fastening the bracket of door switch. Door Switch • Remove a bearing assembly by removing a screw and the bearing cover.
  • Page 90 6. Remove the front panel. Diffuser frame • Remove the screws of both sides fixing the Diffuser front panel. frame • Push the upper side of front panel strongly to Hook pull out the front panel from the inner hook of diffuser frame.
  • Page 91 9. Remove the vane-upper, vane-lower and step motor. Step Motor • Remove 2 screws securing the step motor Vane Supporter assembly and pull it out from the vanes careful- • Unhook the vanes from the vane supporter and remove the upper vane and lower vane by pulling the center of vanes with care.

  • Page 92: Valve Service(3-Way)

    Valve Service (3-way) 3-way Valve (Liguid Side) 3-way Valve (Gas Side) Valve cap Valve cap Open position Open position Closed position Closed position To piping To piping Service connection Service Service Service connection port cap port port cap port To outdoor unit To outdoor unit Service port Works...
  • Page 93 (1) Pumping down Liquid side Indoor unit Outdoor unit 3-way valve Gas side Closed 3-way manifold gauge valve Open Low-handle Hi- handle (CLOSE) (CLOSE) Procedure • 6. Operate the air conditioner at the cooling cycle 1. Confirm that both the gas side and liquid side and stop it when the gauge indicates 1kg/cm valves are set to the open position.
  • Page 94 (2) Evacuation (All amount of refrigerant leaked) Liquid side Indoor unit Outdoor unit 3-way valve Gas side Open 3-way valve manifold gauge Vacuum pump Open Low- Hi- handle handle (OPEN) (OPEN) • Procedure 1. Confirm that both the liguid side valve and gas 6.
  • Page 95 (3) Gas Charging (After Evacuation) Liquid side Indoor unit Outdoor unit 3-way valve Gas side Closed 3-way valve manifold gauge Charging cylinder Low- Open Hi- handle handle (CLOSE) (OPEN) Check valve • Procedure 1. Connect the gauge to the charging cylinder. - Connect the charge hose which you disconnect- This is different from previous procedures.

  • Page 96: Cycle Troubleshooting Guide

    Cycle Troubleshooting Guide Trouble analysis 1. Check temperature difference between intake and discharge air and operating current. Temp. difference : approx. 0°C All amount of refrigerant leaked out. Current : less than 80% of Check refrigeration cycle. rated current Temp. Difference Refrigerant leakage Temp.

  • Page 97: Electronic Parts Troubleshooting Guide

    Electronic Parts Troubleshooting Guide Refer to electronic contorol device drawing & schematic diagram. The Product doesn’t operate at all. Trouble 1 Turn off the main power and wait to 5 seconds Turn on the main power again. Does "Beeping" sound is made from the indoor unit? •...
  • Page 98 Product doesn't operate with the remote controller. Trouble 2 Turn on main power. While the compressor has been stopped, the compressor does not operate owing to the delaying function for 3 minutes after stopped. When the compressor stopped Indoor Fan is driven by a low speed. At this point the wind speed is not controlled by the remote controller.
  • Page 99 The Compressor/Outdoor Fan are unable to drive. Trouble 3 Turn on the main power. Operate Cooling Mode by setting the disired temperature of the remote controller is less than one of the Indoor temperature by 1°C at least. When in air circulation mode, compressor/outdoor fan is stopped. Check the sensor for Indoor temperature is attatched as close as to be effected by the themperature of Heat Exchange (EVA.) When the sensor circuit for Indoor temperature and connector are in bad connection or are...

  • Page 100: When Indoor Fan Does Not Operate

    When indoor Fan does not operate. Trouble 4 Turn off main power. Check the connection of CN-FAN. Check the Fan Motor. Check the Fuse(AC250V, T2A). Check the related circuit of indoor Fan Motor. • The pin No. of micom and the part for driving SSR.(Q01M) •...
  • Page 101 When the vertical louver does not operate. Trouble 5 • Confirm that the vertical louver is normally geared with the shaft of Stepping Motor. • If the regular torque is detected when rotating the vertical louver with hands ⇒ Normal •...
  • Page 102 The Outdoor Unit does not operate at all. Trouble 6 Does the Operating LED of indoor unit blink Refer to the self-diagnosis function. when Operation's ON? Is the Connection between CN-Power of Check the connecting state of connector indoor unit and terminal block? Indoor Outdoor Is the connection of cable between indoor...
  • Page 103 When compressor does not operate normally. Trouble 7-1 Communication error between Indoor and Outdoor (Error Code Does the operating LED in display PCB • Check the state of connecting cable Ass'y blink 5 times? (4 line) bewteen indoor and outdoor unit . •...
  • Page 104 When compressor does not operate normally. Trouble 7-2 CT Error (Error Code • Check the state of connecting cable Does the operating LED in Display PCB (3 line) bewteen Indoor and Outdoor Unit . Ass'y blink 8 times? • Check fuse, Noise Filter, PTC, etc. Is the current transformer(CT) in Main PCB Check the PCB pattern(resoldering) Ass'y right?
  • Page 105 When compressor does not operate normally. Trouble 7-3 DC Peak Error(Error Code Does the operating LED in display PCB Ass'y blink 9 times? Is the connecting state of connectors in out- • Electrical wiring diagram (Colors) door Sub. PCB Ass'y right? •...
  • Page 106 When compressor does not operate normally. Trouble 7-4 DC Low Voltage Error (Error Code Does the operating LED in display PCB Ass'y blinks 10 times? Is the connecting state of connectors in out- door PCB Ass'y right? Reconnect the connector. (CN-DC, CN-AC) Is the voltage of capacitor over 187Vdc? Check the wiring state.
  • Page 107 When compressor does not operate normally. Trouble 7-5 High press Error (Error Code Does the operating LED in display PCB Ass'y blink 11 times? Is the installation condition of outdoor unit Check the installation condition. right. Is the indoor/outdoor fan locked? Check the indoor/outdoor fan motor.
  • Page 108 The problem of missing the connector (INDOOR MAIN PCB ASSY) Connectors Condition Problem (error mode) • Malfunctions all indoor & outdoor unit. CN-POWER (1,2) OPEN • Malfunctions remocon, force, test operation mode. • Malfunctions outdoor unit. • Stop compressor and outdoor fan motor. CN-POWER (3) OPEN •...
  • Page 109 The problem of missing the connector (OUTDOOR MAIN PCB ASSY) Condition Problem (error mode) Connectors • Malfunctions outdoor unit. CN-POWER OPEN • Stop compressor and outdoor fan. • Malfunctions outdoor unit. CN-AC • Stop compressor and outdoor fan. OPEN • The operation LED blinks 10 times. •...

  • Page 110: Electronic Control Device

    Electronic Control Device 1. Room Type Indoor Unit • MAIN P.C.B DC ASM • MAIN P.C.B AC ASM - 110 -...
  • Page 111 2. Cassette Type Indoor Unit • MAIN P.C.B DC ASM - 111 -...
  • Page 112 3. Convertible Type Indoor Unit - 112 -...
  • Page 113 4. Duct Type Indoor Unit - 9/12k - 113 -...
  • Page 114 - 18k - 114 -...
  • Page 115 5. Display ASSY • Room Type Indoor Unit • Convertible Type Indoor Unit - 115 -...
  • Page 116 6. Outdoor Unit • MAIN P.C.B ASM -116-...

  • Page 117: Schematic Diagram

    Schematic Diagram 1. Room Type Indoor Unit - 117 -...
  • Page 118 2. Cassette Type Indoor Unit - 118 -...
  • Page 119 3. Convertible Type Indoor Unit - 119 -...
  • Page 120 4. Duct Type Indoor Unit - 120 -...
  • Page 121 5. Outdoor Unit CN-GATE1 CN-GATE2 5 4 3 2 C10K 15uF,450V R21K 1M,1W C09K 471,250V RY-SV RY-4WAY RY-FAN_H RY-FAN_L RY-Power -121-...

  • Page 122: Exploded View And Replacement Parts List

    Exploded View & Replacement Parts List 1. Room Type Indoor Unit (7K, 9K, 12K Btu Models) 135316 135314 152302 131410 733010 359011 342800 159901 268712 346810 35211B 354212 135516 263230 352150 135311 146811 268716 267110 268715 W0CZZ 249951 - 122 -...
  • Page 123 Parts List (Indoor Unit) PART No. LOCATION DESCRIPTION REMARKS HPWI-C20E HPWI-C25E HPWI-C35E (AMNN076MQA0) (AMNN096MQA0) (AMNN126MRA0) 131410 CHASSIS ASSEMBLY 3141A20006C 3141A20006C 3141A20005G 135311 GRILLE ASSEMBLY,DISCHARGE 3531A10222A 3531A10222A 3531A10192S 135314 GRILLE ASSEMBLY,INLET SUB 3531A20142P 3531A20142P 3531A20143X 135316 GRILLE ASSEMBLY,FRONT 3531A10167R 3531A10167R 3531A10168Z...
  • Page 124 2. Room Type Indoor Unit (18K, 24K Btu Models) 135316 267110 135314 152302 131410 733010 359011 342800 135311 159901-1 159901-2 268712 346810 35211B 354212 135516 263230 352150 146811 249951 W0CZZ 268716 268715 - 124 -...
  • Page 125 Parts List (Indoor Unit) Part No. Location No. Description Remarks HPWI-C50E HPWI-C70E (AMNN186MTA0) (AMNN246MTA0) 131410 CHASSIS ASSEMBLY 3141A10002H 3141A10002H 135311 GRILLE ASSEMBLY,DISCHARGE 3531A10224A 3531A10224A 135314 GRILLE ASSEMBLY,INLET SUB 3531A20144Q 3531A20144Q 135316 GRILLE ASSEMBLY,FRONT 3531A10169Q 3531A10169Q 135516 COVER ASSEMBLY,MOTOR 3551A20099C 3551A20099C 146811 MOTOR ASSEMBLY,STEP 4681A20055A...
  • Page 126 3. Cassette Type Indoor Unit (12K, 18K Btu Models) 249951 268714 354212 352114 352118 263230 158591 266012 330870 - 126 -...
  • Page 127 130411 W0CZZ 346810 359011 146811 268712 152312 135802 135312-2 137211 130911 352150 267110 352150 - 127 -...
  • Page 128 Parts List (Indoor Unit) PART No. LOCATION DESCRIPTION REMARKS HPCI-C35E HPCI-C50E (AMNN126TEA0) (AMNN186TEA0) 354212 EVAPORATOR ASSY 5421A10007Q 5421A10007F 352114 TUBE ASSY, DISTRIBUTOR 5211A10225A 5211A10225A 352118 TUBE ASSY, MANIFOLD 5211A20241Q 5211A20241Q 158591 PUMP ASSY, WATER 5859A20001C 5859A20001C 266012 SWITCH ASSY, FLOAT 6601A20001F 6601A20001F 330870...
  • Page 129 4. Convertible Type Indoor Unit (18K Btu Models) - 129 -...
  • Page 130 Parts List(Indoor Unit) Part No. Location No. Description Remarks HPFI-C50E(AMNN186VBA0) 130911 CABINET ASSY 3091AP2533A 135314 GRILLE ASSY, INLET SUB 5237AP2817B 137213 PANEL ASSY, SIDE 3720AP2767P 268714 PWB(PCB) ASSY, MAIN 6871A20042W 146811 MOTOR ASSY, STEP 4681AR2727G 152302 FILTER(MECH), A/C 5230AP7093A 159911 VANE ASSY, HORIZONTAL 5991AP2867B 159911...
  • Page 131 5. Duct Type Indoor Unit (9K/12K Btu Models) 346810 359012 336610-1 W0CZZ 263230-1 263230-2 267110 354210 249951 268714 152302 552111 352118 330860 - 131 -...
  • Page 132 Parts List(Indoor Unit) • 9K/12K Part No. Location No. Description Remarks HPDI-C25E HPDI-C35E (AMNN096BTG0) (AMNN126BTG0) 152302 FILTER(MECH), A/C 5230A30001Q 5230A30001Q 249951 CONTROL BOX ASSY(INDOOR) 4995A20338F 4995A20338E 263230-1 THERMISTOR ASSY 6323AQ3226G 6323AQ3226G 263230-2 THERMISTOR ASSY 6323AQ3214E 6323AQ3214E 267110 REMOTE CONTROLLER ASSY 6711A1008Z 6711A1008Z 268714...
  • Page 133 6. Duct Type Indoor Unit (18K Btu Models) 346810 359012 336610-1 336610-2 W0CZZ 263230-1 263230-2 267110 354210 249951 268714 152302 552111 352118 330860 - 133 -...
  • Page 134 Parts List(Indoor Unit) • 18K Part No. Location No. Description Remarks HPDI-C50E(AMNN186BHA0) 152302 FILTER(MECH), A/C 5230A30001M 249951 CONTROL BOX ASSY(INDOOR) 4995A20393B 263230-1 THERMISTOR ASSY 6323AQ3226G 263230-2 THERMISTOR ASSY 6323AQ3214E 267110 REMOTE CONTROLLER ASSY 6711A10005G 268714 PWB(PCB) ASSY, MAIN 6871A10109R 330870 DRAIN PAN ASSEMBLY 3087A10008B 336610-1...
  • Page 135 7. Outdoor Unit [HPI-C2077(A2UN186FA0), HPI-C3077(A3UN216FA0)] - 135 -...
  • Page 136 Outdoor Unit Parts List [HPI-C2077(A2UN186FA0), HPI-C3077(A3UN216FA0)] PART No. LOCATION DESCRIPTION REMARKS HPI-C2077 HPI-C3077 (A2UN186FA0) (A3UN216FA0) 137213-1 PANEL ASSEMBLY, SIDE 1A00201D 1A00201D 137213-2 PANEL ASSEMBLY, SIDE 3A02284W 3A02284W 263230-4 THERMISTOR ASSEMBLY 6323A20002Q 6323A20002Q 263230-3 THERMISTOR ASSEMBLY 6323A20002R 6323A20002R 263230-2 THERMISTOR ASSEMBLY 6323AQ3226K 263230-1 THERMISTOR ASSEMBLY...
  • Page 137 Outdoor Unit [HPI-C4108(A4UN306FA0)] - 137 -...
  • Page 138 Outdoor Unit Parts List [HPI-C4108(A4UN306FA0)] Part No. Location No. Description Remarks HPI-C4108(A4UN306FA0) 137213-1 PANEL ASSEMBLY, SIDE 1A00202F 137213-2 PANEL ASSEMBLY, SIDE 3A02284X 263230-3 THERMISTOR ASSEMBLY 6323A20002S 263230-6 THERMISTOR ASSEMBLY 6323A20002Z 263230-4 THERMISTOR ASSEMBLY 6323AQ3226L 263230-5 THERMISTOR ASSEMBLY 6323AQ3226M 349600 MOUNT, MOTOR 1A00206B 430410 BASE ASSEMBLY, WELD[OUTDOOR]...
  • Page 139 February, 2004 Printed in Korea P/No.: 3828A20097S...

This manual is also suitable for:

Hpwi-c50eHpwi-c25eHpwi-c35eHpfi-c50eHpci-c35eHpci-c50e ... Show all

Table of Contents