Ideal Air IAH36LB-D3DNA3D Service Manual Download

Page: 74 / 86

Installation and Maintenance

Service Manual

Steps

handle

2.Remove top panel

top panel

Remove the screws connecting the top
panel with the front panel and left&right
side plate, and then remove the top panel.

3.Remove front side panel

front side panel

Loosen the screws connecting the front side
panel and chassis. Remove the front side
panel.

Procedure

valve cover

Remove the screw connecting the big handle and
right side plate, and then remove the big handle.
Remove the screw connecting the valve cover and
right side plate, and then remove the valve cover.

1. Remove big handle,valve cover and top cover

11.2 Removal Procedure of Outdoor Unit

Note: Take heat pump unit for example.

Summary of Contents for IAH36LB-D3DNA3D

Page 1: ...Service Manual IAH36LB D3DNA3D IAC36LB D3DNA3D Refrigerant R410A Model IdealAir National Garden Wholesale Sunlight Supply Inc Vancouver WA USA...

Page 2: ...Diagram 11 5 Electrical Part 13 5 1 Wiring Diagram 13 5 2 PCB Printed Diagram 15 6 Function and Control 17 6 1 Remote Controller Introduction 17 6 2 Brief Description of Modes and Functions 21 Part I...

Page 3: ...59 10 Exploded View and Parts List 61 10 1 Indoor Unit 61 10 2 Outdoor Unit 64 11 Removal Procedure 68 11 1 Removal Procedure of Indoor Unit 68 11 2 Removal Procedure of Outdoor Unit 77 Appendix 83 Ap...

Page 4: ...1 Technical Information Service Manual 1 Summary Indoor Unit Outdoor Unit Part Technical Information IAH36LB D3DNA3D I IAC36LB D3DNA3D I IAH36LB D3DNA3D IAC36LB D3DNA3D Remote Controller IARC 36...

Page 5: ...AH36LB D3DNA3D I Fan Type Cross flo Cross flo Diameter Length DXL inch 4 1 4X20 4 7 4 1 4X20 4 7 Fan Motor Cooling Speed SH H M L r min 1400 1250 1000 800 1400 1250 1000 800 Fan Motor Heating Speed SH...

Page 6: ...r W 170 170 Fan Motor RLA A 0 89 0 89 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit CFM 2589 2589 Fan Type Axial flo Axial flo Fan Diameter inch 21 2 3 21 2 3 Defrosting Method Automatic Defro...

Page 7: ...th 24 6ft DB 80 F WB66 F Indoor air flow Super High 4 5 14 110 100 90 80 70 60 50 40 23 32 41 50 Conditions Indoor DB70 F Indoor air flow Super High Pipe length 26 4ft Cooling Heating 24K 0 2 4 6 8 10...

Page 8: ...e connecting indoor and outdoor unit Inlet and outlet pipe temperature of heat exchanger Fan speed of indoor unit Fan speed of outdoor unit Compressor revolution rps Indoor Outdoor P MPa T1 F T2 F 70...

Page 9: ...formation Service Manual 53 1 7 12 5 6 10 11 3 5 3 1 2 1 4 7 13 7 9 10 29 3 8 2 3 4 2 3 4 3 Outline Dimension Diagram Unit inch 3 2 Outdoor Unit Unit inch 14 4 7 31 1 9 16 4 5 15 5 9 39 1 2 24 36 2 9...

Page 10: ...hanger condenser Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Electron expansion valve Strainer Electron expansion valve Accumlator Compressor Indoor unit Outdoor unit...

Page 11: ...et OG Orange Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model 3OHDVH GRQ W WRXFK DQ HOHFWURQLF FRPSRQHQW RU WHUPLQDO ZKHQ WKH PDFKLQH LV UXQQLQJ VW...

Page 12: ...03 6 1625 867 7 03 6 1625 1 1 35 17 5 8 7 2 5 5 725 8 9 20 27720 7 7 1 7 5 2035 6625 1 7 5 33 35 6685 6 7 3 3 16 21 9 9 7521 9 9 33 3 6 7 35 6685 2 2 127 0RWRU JURXQG RQO DSSOLHV WR WKH LURQ VKHOO PRW...

Page 13: ...ace of communication 6 Power switch 7 High frequency transformer 8 Interface of fan motor 9 Buzzer 10 Interface of display 11 Interface of display 12 Indoor tube temperature sensor interface 13 Ambien...

Page 14: ...minal of compressor OVC COMP 7 Terminal of 4 way valve 12 Protective tube FU101 3 Terminal of temp sensor CN2 8 Electric heater band of chassis HEAT2 L 13 Terminal of ground wire 4 High pressure prote...

Page 15: ...t mode Fan mode Dry mode Cool mode Auto mode Operation mode I feel Note After putting through the power the air conditioner will give out a sound Operation indictor is ON red indicator After that you...

Page 16: ...ient temperature Set temperature range from remote controller 16 30 60 8 86 0O F Fan speed auto low speed medium speed high speed 5 TURBO button Under COOL or HEAT mode press this button to turn to qu...

Page 17: ...word ON will stop blinking icon resumes displaying Cancel TIMER ON Under the condition that TIMER ON is started up press TIMER ON button to cancel it TIMER OFF button TIMER OFF button can set the time...

Page 18: ...adjusted Under energy saving function set temperature can t be adjusted Press TURBO button and the remote controller won t send signal Sleep function and energy saving function can t operate at the sa...

Page 19: ...g device will operate at original state Start cooling Stop cooling Compresso r Original working state Run Stop Outdoor fan Indoor fan Tpreset Tpreset 3 6 Tamb Preset fan s pee d 6 minutes 6 minutes 3...

Page 20: ...indoor fan also will run at low speed and after 1 minute operation at low speed the indoor fan will be converted to operation at preset speed Within 1 minute low speed operation or 2 minute non operat...

Page 21: ...d c If T tube 136 the compressor will run at reduced frequency d If T tube 144 the compressor will stop and the indoor fan will run at preset speed 2 Heating overload a If T tube 126 the unit will ret...

Page 22: ...ted to be open circuited or short circuited for successive 30 seconds Outdoor tube temperature The sensor is detected to be open circuited or short circuited for successive 30 seconds and no detection...

Page 23: ...ation and maintenance 5 Have the unit adequately grounded The grounding wire can t be used for other purposes 6 Must apply protective accessories such as protective boards cable cross loop and wire cl...

Page 24: ...ng tape 4 Electroprobe 7 Electronic leakage detector 10 Pipe pliers pipe cutter 2 Screw driver 5 Universal meter 8 Vacuum pump 11 Pipe expander pipe bender 3 Impact drill drill head electric drill 6 T...

Page 25: ...5 8 9 inch At least 5 8 9 inch Space to the wall S p a c e t o t h e o b s t r u c t i o n r o o l f e h t o t e c a p S Space to the obstruction Drainage pipe Space to the wall Space to the obstruct...

Page 26: ...or unit Make the bound pipes pass through the wall hole and then connect outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test operation Finish installat...

Page 27: ...ialized grounding device by a professional Please make sure it is always grounded effectively otherwise it may cause electric shock 2 The yellow green wire in air conditioner is grounding wire which c...

Page 28: ...5 Connect the Pipe of Indoor Unit 1 Aim the pipe joint at the corresponding bellmouth As show in Fig 5 2 Pretightening the union nut with hand 3 Adjust the torque force by referring to the following s...

Page 29: ...screw on the wiring cover and then take down the cover As show in Fig 11 8 Bind up Pipe 1 Bind up the connection pipe power cord and drain hose with the band As show in Fig 14 2 Reserve a certain leng...

Page 30: ...ion with expansion screws 5 Connect Outdoor Electric Wire 1 Let the connection wire sleeve go through the two holes of retaining plate tighten the connection joint of sleeve and retaining plate remove...

Page 31: ...move the valve caps on the liquid valve and gas valve and the nut of refrigerant charging vent 2 Connect the charging hose of piezometer to the refrigerant charging vent of gas valve and then connect...

Page 32: ...scharge protection overload 5 Overcurrent protection E5 OFF 3S and blink 5 times OFF 1S and blink 5 times During cooling and drying operation compressor and outdoor fan stop while indoor fan operates...

Page 33: ...Outdoor ambient temperature sensor is open short circuited F3 OFF 3S and blink 3 times OFF 1S and blink 6 times During cooling and drying operating compressor stops while indoor fan operates During h...

Page 34: ...wiring board XT if the voltage is higher than 265VAC turn on the unit after the supply voltage is increased to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacito...

Page 35: ...nction analysis of capacitor 29 Malfunction of module temperature sensor circuit P7 OFF 3S and blink 18 times During cooling and drying operation compressor will stop while indoor fan will operate Dur...

Page 36: ...control end 3 Fan motor is stalling 4 Motor malfunction 5 Malfunction of mainboard rev detecting circuit 38 Desynchro nizing of compressor H7 OFF 3S and blink 7 times During cooling and drying operat...

Page 37: ...ge is unstable 46 Malfunction of complete units current detection U5 OFF 3S and blink 13 times During cooling and drying operation the compressor will stop while indoor fan will operate During heating...

Page 38: ...or has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s Operation Indicator Cool Indicator Heating Indicator Yellow Indicator Red Indicator Green Indicator 53 Normal communica tion 5...

Page 39: ...41 Installation and Maintenance Service Manual...

Page 40: ...Possible reasons insufficient or too much refrigrant blockage of capillary an dincrease of suction temp improper running of compressor burning in or stuck of bearing damage of discharge valve malfunc...

Page 41: ...nboard broken Malfunction diagnosis process Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted Start Insert the temperature sensor tightly Yes Yes Ye...

Page 42: ...on is eliminated Reinsert the wiring terminal of indoor fan It s the malfunction of main board Replace a new main board that is of the same model It s the malfunction of main board Replace a new main...

Page 43: ...the mainboard is defined abnormal Malfunction diagnosis process Start Is there jumper cap on the mainboard Is the jumper cap inserted correctly and tightly Replace the jumper cap with the same model...

Page 44: ...the compressor Replace the mainboard with the same model End Is the supply voltage too low with overload Is the indoor outdoor heat exchanger dirty or are the air inlet and outlet blocked The fan is a...

Page 45: ...harges slowly The zero cross detectioncircuit of the mainboard is defined abnormal Malfunction diagnosis process Turn power off for 1minute the turn back on The unit returns to normal Conclusion U8 is...

Page 46: ...s Start Cut off power supply Check if connection line of IDU and ODU and the wire inside electric box are correctly connected Correct connection Main board matches with display board Main board of IDU...

Page 47: ...lt with the voltage testing circuit on control panel AP1 Replace the control panel AP1 Measure the AC voltage between terminalL andN on wiring board XT power supply Voltage within 210VAC 250VAC Shut d...

Page 48: ...s too high resulting in that the system pressure is too high and exceeds the permissible range 4 If the charge volume of refrigerant is too much resulting in that the system pressure is too high 5 Oth...

Page 49: ...od Fault diagnosis process End Y Y N Y N N Y N Overheat and high temperature protection Is outdoor ambient temperature higher than 53 20 minutes after the complete unit is powered off Is heat dissipat...

Page 50: ...for compressor stopping enough Fault diagnosis process Y N Y N N Y Y N Power on the unit Is stop time of the compressor longer than 3 minutes Restart it up after 3 minutes Does startup fail Are the w...

Page 51: ...f the compressor longer than 3 minutes Are the wires for the compressor connected correctly Is connection sequence right Is the connection made in clockwise direction Connect the wires correctly Repla...

Page 52: ...process 20 minutes after the complete unit is powered off Is the terminal FA for the electronic expansion valve connected correctly Connect the wires correctly Resistances between the first four pins...

Page 53: ...N N Y Y Start Check wiring of the reactor L of the outdoor unit and the PFC capacitor Whether there is any damage or short circuit Replace it as per the wiring diagram and reconnect the wires If the...

Page 54: ...pment operate normally before the failure occurs The AP1 voltage detection circuit is at fault Check wiring inside of the indoor and outdoor units Are wires broken Check the communication circuit of t...

Page 55: ...e main board AP1 of the outdoor unit If the fault is eliminated Is the connection right Check the wiring of the indoor and outdoor units with reference to the wiring diagram Correctly connect the corr...

Page 56: ...r swing louver is fully open Check if the capacity output of outdoor unit is equal to the capacity demand of indoor units Check if the indoor outdoor filters or radiating fins are dirty or blocked Cle...

Page 57: ...perate Refer to point 4 of maintenance method for details Malfunction of compressor Compressor can t operate Refer to point 5 of maintenance method for details 1 Air Conditioner Can t be Started up 2...

Page 58: ...in pipe Replace drain pipe Wrapping is not tight Water leaking from the pipe connection place of indoor unit Wrap it again and bundle it tightly 5 Compressor Can t Operate Possible causes Discriminati...

Page 59: ...tallation and Maintenance Service Manual 10 Exploded View and Parts List 10 1 Indoor Unit 2 4 5 6 7 10 11 15 17 20 21 22 40 41 42 35 34 32 30 16 39 38 37 31 33 14 36 8 12 13 29 1 3 9 18 19 23 24 25 26...

Page 60: ...0 1 20 O Gasket sub assy of Bearing 76512051 76512051 1 21 Left Evaporator Support 24212041 24212041 1 22 Evaporator Assy 01002000027 01002000027 1 23 Wall Mounting Frame 01252398 01252398 1 24 Right...

Page 61: ...64 Installation and Maintenance Service Manual 10 2 Outdoor Unit 1 2 3 4 5 6 7 8 9 10 11 12 13 15 16 17 18 19 20 21 22 23 24 25 26 33 34 35 36 37 27 28 31 32 30 29 14 IAC36LB D3DNA3D...

Page 62: ...15 Handle assy 02113109 1 16 Wiring clamp 26115004 1 17 Electric Expansion Valve Sub Assy 07133688 1 18 Temperature Sensor 3900031001 1 19 Rear Grill 01475013 1 20 Condenser Assy 0116349101 1 21 Clap...

Page 63: ...66 Installation and Maintenance Service Manual 2 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 4 5 3 1 IAH36LB D3DNA3D...

Page 64: ...1 16 Valve cover 22245003 1 17 Retaining plate 02115006P 1 18 Handle assy 02113109 1 19 Wiring clamp 26115004 1 20 Electronic expansion valve Sub Assy 07133688 1 21 Temperature Sensor 3900031001 1 22...

Page 65: ...for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal Steps Procedure 1 Before disassembly of the unit 2 Remove filter panel clasps f...

Page 66: ...move panel 5 Remove horizontal louver display clasp panel horizontal louver Remove 2 screws fixing display and then remove the filter Pull the clasps at both sides slightly and then remove the panel R...

Page 67: ...c box 7 Remove front case screw top cover of electric box screw cap screw front case Procedure Steps Remove screws fixing the top cover of electric box Remove the top cover of electric box Remove the...

Page 68: ...e 8 Remove earthing wire 9 Remove electric box cover screw clasp clasp electric box cover Remove earthing screws and then remove the earthing wire Loosen clasps at the left side of electric box Loosen...

Page 69: ...l 1 2 3 Procedure Steps 10 Remove temperature sensor 11 Remove electric box temperature sensor screw electric box Pull out the indoor temperature sensor Pull out 6 sockets on PCB board Pull out two sc...

Page 70: ...tray connection position for indoor and outdoor units connection pipe pipe stopping plate screw screw damping board Pull the water tray upwards and then remove the water tray Separate the connection...

Page 71: ...te of motor screw evaporator screw Remove screws between evaporator and bottom case Turn over the indoor unit and adjust the pipe line to the position as shown by the broken line Lift up the evaporato...

Page 72: ...tion and Maintenance Service Manual 1 Procedure Steps 2 3 18 Remove cross flow blade and motor blade motor Remove screws fixing cross flow blade and motor Remove the motor sub assy Separate two cross...

Page 73: ...76 Installation and Maintenance Service Manual 1 2 Procedure Steps 19 Remove cushion rubber cushion rubber Remove the cushion rubber on cross flow blade Remove the cushion rubber from the base...

Page 74: ...t side panel Loosen the screws connecting the front side panel and chassis Remove the front side panel Procedure valve cover Remove the screw connecting the big handle and right side plate and then re...

Page 75: ...the panel Twist off the screws connecting the grille and panel and then remove the grille 5 Remove right side plate right side plate Twist off the screws connecting the right side plate and chassis v...

Page 76: ...liers pull out the wiring terminal pull it upwards to remove the electric box electric box fireproofing Twist off the screws on electric box fireproofing with screwdriver and then remove the electric...

Page 77: ...e motor support Twist off the screws connecting isolation sheet and end plate of condenser and chassis and then remove the isolation sheet 11 Remove 4 way valve 10 Remove isolation sheet isolation she...

Page 78: ...g joint wrap the gas valve with wet cloth completely to avoid the damage to valve and release all refrigerant completely at first Unsolder the soldering joint between liquid valve and connection pipe...

Page 79: ...left side plate left side plate Twist off the screws connecting the left side plate and chassis with screwdriver and then remove the left side plate Pull it upwards to separate the chassis and condens...

Page 80: ...door unit throttle Liquid pipe inch Gas pipe inch Cooling only oz ft Cooling and heating oz ft 1 4 3 8or 1 2 0 2 0 2 1 4 or 3 8 5 8 or 3 4 0 2 0 2 1 2 3 4 or 7 8 0 3 1 3 5 8 1 or 1 1 4 0 7 1 3 3 4 2 7...

Page 81: ...to the following steps A Cut the pip Confirm the pipe length according to the distance of indoor unit and outdoor unit Cut the required pipe with pipe cutter B Remove the burrs Remove the burrs with s...

Page 82: ...2 358 233 6 0 717 24 8 60 23 95 9 779 165 2 2 28 235 4 0 697 26 6 57 18 96 8 9 382 167 2 206 237 2 0 678 28 4 54 31 98 6 9 003 168 8 2 133 239 0 66 30 2 51 59 100 4 8 642 170 6 2 064 240 8 0 642 32 4...

Page 83: ...95 13 04 165 2 3 04 235 4 0 93 26 6 76 24 96 8 12 51 167 2 94 237 2 0 904 28 4 72 41 98 6 12 168 8 2 844 239 0 88 30 2 68 79 100 4 11 52 170 6 2 752 240 8 0 856 32 65 37 102 2 11 06 172 4 2 663 242 6...

Page 84: ...342 8 77 49 19 147 2 10 54 217 4 3 04 8 6 323 9 78 8 47 08 149 10 18 219 2 2 955 10 4 306 2 80 6 45 07 150 8 9 827 221 2 872 12 2 289 6 82 4 43 16 152 6 9 489 222 8 2 792 14 274 84 2 41 34 154 4 9 165...

Page 85: ......

Page 86: ...Call our Toll Free number for top rate technical support 877 9 IDEAL 1 877 943 3251 Outside the USA Call 1 360 546 6161 Exclusively distributed by www sunlightsupply com...

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