Carrier 40MPHA Service Manual Download Page 9

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40MPHA-03SM Specifications subject to change without notice.

WIRING DIAGRAM

Sizes 09K to 12K

Fig. 5 — Wiring Diagram - Sizes 09K and 12K

PIPE TEMPERATURE SENSOR

YELLOW

RED

CN20

SWING MOT

OR2

INDOOR
FAN

CN3

N-IN

CN5

CN6

RY1

L-OUT

L-IN

BLUE(BLACK)

DISPLAY BOARD

CN10

MULTI-FUNCTION CONTROL BOARD

CN3

MAIN BOARD

CN2

CN4

CN1

CN40

CN43

CN32

CN42

CN41

CN45

CN46

X Y E 12V/5V

To 485 Wire-controller

To Remote Switch

To Remote Alarm

- - - -

INDOOR UNIT

OUTDOOR UNIT

L2 S

ROOM TEMPERATURE SENSOR

SWING MOT

OR3

CN8

CN5

CN6

Motion Sensor

Humidity Sensor

Wi-Fi

Earth Ground

CN1 & CN1A

+12V &

GND

Display

Vertical

Horizontal

DC - Fan

P1_1

Indoor Wiring Diagram

This symbol indicates the
element is optional. The actual shape
prevails.

CODE

PART NAME

MAIN BOARD

CN 10

Display board port DC 12V

CN 6

Output DC 5V pipe sensor

CN 8

Output DC12V,Swing motor

CN 20

Output DC12V,Swing motor

CN 3

Output DC 310V,fan motor

P1_1

Earth Ground

L-IN

Power Voltage: AC 208-230V

N-IN

Power Voltage: AC 208-230V

CN 5

Output: DC 0-24V Communication port to outdoor

CN 32

Output: DC 12V function board

DISPLAY BOARD

CN1

Input: DC 12V

4 wires connect to main board

3 wires connect to multi-function control board

CN 3

Output: DC 5V WI-FI controller (optional)

CN 2

Output: DC 5V Wire controller (optional)

CN 6

Output: DC 3.3V Infrared sensor (optional)

CN 5

Output: DC 5V Humidity sensor

CN 4

Output: DC5V Room temperature sensor (optional)

MULTI-FUNCTION CONTROL BOARD

CN42 & CN41

Output: DC 5V To CCM Comm.Bus or 485 Wire-controller

CN 40

Input: DC 5V Connect to display board

CN 43

Input: DC 12V Connect to main board

CN 46

Output: DC 5V To Remote Switch

Summary of Contents for 40MPHA

Page 1: ...NGER WARNING and CAUTION These words are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies hazards which could result in personal injury or death CAUTION is used to identify unsafe practices which may result in minor personal injury or product and property damage NOTE is used to highlight suggestions ...

Page 2: ...COIL UNIT MP MODEL VOLTAGE 3 208 230 1 60 SYSTEM TYPE H HIGH WALL MAJOR SERIES X NOT USED NOMINAL CAPACITY 09 3 4 TON 12 1 TON 18 1 5 TONS 24 2 TONS A A VARIATION INDOOR FAN COIL TYPE Q HEAT PUMP 12 19 10001 Week of Manufacture Sequential Serial Number V V ALL MODELS Year of Manufacture Use of the AHRI Certified TM Mark indicates a manufacturer s participation in the program For verification of ce...

Page 3: ...86 0 30 32 86 0 30 32 86 0 30 32 86 0 30 PIPING Pipe Connection Size Liquid in mm 1 4 6 35 1 4 6 35 3 8 9 52 3 8 9 52 Pipe Connection Size Suction in mm 3 8 9 52 1 2 12 7 5 8 15 9 5 8 15 9 INDOOR COIL Face Area sq ft Sq Ft 2 2 2 2 3 9 3 9 No Rows 4 4 3 3 Fins per inch 21 21 21 21 Circuits 5 5 7 7 INDOOR Unit Width in mm 35 2 895 35 2 895 49 57 1259 49 57 1259 Unit Height in mm 11 7 298 11 7 298 14...

Page 4: ...uded with the indoor unit to allow the use of a 3 4 in PVC Schedule 40 pipe where the actual outside diameter is 1 05 in HIGH WALL UNIT SIZE 9K 12K Voltage 208 230V 208 230V Height In mm 11 7 298 11 7 298 Width In mm 35 2 895 35 2 895 Depth In mm 9 8 248 9 8 248 Weight Net Lbs kg 37 48 17 37 48 17 Piping Drain Hose Drain Hose Ø0 625 16 L 25 20 640 Pipe hole Units Inch mm ...

Page 5: ...nd 24K Table 4 Dimension Sizes 18K and 24K Fig 2 Sizes 18K and 24K HIGH WALL UNIT SIZE 18K 24K Voltage 208 230V 208 230V Height In mm 14 25 362 14 25 362 Width In mm 49 57 1259 49 57 1259 Depth In mm 11 10 282 11 10 282 Weight Net Lbs kg 43 4 19 7 43 4 19 7 Piping Drain Hose ...

Page 6: ... The top clearance recommended for proper return airflow is 5 9 in 15cm Reduction of this clearance may decrease the performance of these units This may be reduced to 3 2 in 80mm as long as the right and left clearances are achieved 4 75 in 12 cm min 6 ft 1 8m CEILING FLOOR 5 9in 15cm min 4 75 in 12 cm min ...

Page 7: ...area and communication issues exists a 14 2 stranded shielded wire can be used to replace L2 and S between the outdoor unit and indoor unit landing the shield onto ground in the outdoor unit only HIGH WALL UNIT SIZE INDOOR FAN MAX FUSE CB AMP V Ph Hz FLA HP Refer to outdoor unit installation instructions Indoor unit powered by the outdoor unit Heat Pump Models 9K 208 230 1 60 0 34 0 027 12K 0 34 0...

Page 8: ...tdoor units must be as shown in Figure 4 The connections are polarity sensitive and improper wiring will result in a fault code S L1 L2 208 230 1 60 Main Power Supply L1 L2 S L1 L2 CONNECTING CABLE OUTDOOR TO INDOOR Indoor Unit Power Supply 208 230 1 60 Indoor Signal High Voltage GND Ground Power to Indoor Unit Indoor Signal High Voltage 208 230 1 60 FIELD POWER SUPPLY GND 208 230 1 60 208 230V In...

Page 9: ...l shape prevails CODE PART NAME MAIN BOARD CN 10 Display board port DC 12V CN 6 Output DC 5V pipe sensor CN 8 Output DC12V Swing motor CN 20 Output DC12V Swing motor CN 3 Output DC 310V fan motor P1_1 Earth Ground L IN Power Voltage AC 208 230V N IN Power Voltage AC 208 230V CN 5 Output DC 0 24V Communication port to outdoor CN 32 Output DC 12V function board DISPLAY BOARD CN1 Input DC 12V 4 wires...

Page 10: ... switch optional CN 44 Output 12VDC Plasma port optional CN 8 Output 12VDC Room temperature sensor optional CN 9 Output 12VDC Pipe temperature sensor CN10A CN10 Output 5VDC Connect to display board DISPLAY BOARD CN 1 Input 5VDC 4 wires connect to main board 3 wires connect to multi function control board CN 3 Output 5VDC Wi Fi controller optional CN 2 Output 5VDC Wire controller optional CN 6 Outp...

Page 11: ...1 5 Volts V 208 230 208 230 208 230 208 230 Phase 1 1 1 1 Hertz 60 60 60 60 FLA 0 034 0 034 0 5 0 5 Type DC DC DC DC Insulation class E E E E Safe class IPX0 IPX0 IP40 IP40 Input W 50 50 58 58 Output W 20 20 60 60 Range of current Amps 0 023 0 023 0 1 0 48 0 1 0 48 Rated current Amps 0 023 10 0 023 10 0 65 0 65 Capacitor µF No Capacitor Rated HP HP 0 027 0 027 0 082 0 082 Speed rev min 1000 850 65...

Page 12: ...d a vacuum gage capable of accurately measuring this vacuum depth The deep vacuum method is the most positive way of assuring a system is free of air and liquid water see Fig 10 Fig 10 Deep Vacuum Graph Triple Vacuum Method The triple evacuation method should be used Refer to Fig 9 and proceed as follows 1 Pump the system down to 1500 microns and allow the pump to continue operating for an additio...

Page 13: ...operate after a period of setting time or when the louver is in place If the unit is in HEATING mode the indoor fan is regulated by the anti cold wind function Compressor Preheating Preheating is automatically activated when the T4 sensor is lower than setting temperature Sensor redundancy and automatic shutoff If one temperature sensor malfunctions the air conditioner continues operation and disp...

Page 14: ...nning frequency is more than the test frequency When the compressor running frequency is equal to the test frequency T4 is more than 59 F 15 C or no T4 or T4 fault Change setting temperature Turbo or sleep function on off Various frequency limit shutdown occurs NOTE CDIFTEMP is EEPROM setting parameter It is 4 F 2 C Indoor Fan Control 1 In the COOLING mode the indoor fan operates continuously The ...

Page 15: ...sc is lower than or equal to 1 5 F 3 C fan speed increases to 100 Outdoor Fan Control The outdoor unit runs at a different fan speed according to T4 and compressor running frequency For different outdoor units the fan speeds differ DEFROSTING Mode The unit enters defrosting mode according to changes in the temperature value of T3 T4 as well as the compressor running time In the DEFROSTING mode the...

Page 16: ...that allows the unit to restart automatically The module automatically stores the current settings and in the case of a sudden power failure will restore those setting automatically within 3 minutes after power returns If there is a power failure while the unit is running the compressor starts 3 minutes after the unit restarts If the unit was already off before the power failure the unit stands by...

Page 17: ...cessful you will hear beeps for two seconds Use LED and SWING up down to cycle through the information displayed Press LED to display the next code in the sequence Press SWING up down to display the previous code Table 9 displays the information codes The screen displays the code for two seconds then the information for 25 seconds Table 9 Information Codes DISPLAYED CODE EXPLANATION ADDITIONAL NOT...

Page 18: ...oldering iron plug between the terminals of the electrolytic capacitor on the other side of the outdoor PCB Fig 14 Discharge Position NOTE Fig 14 is for reference only Actual appearances may vary UNIT DAMAGE HAZARD Electricity remains in capacitors even when the power supply is off Ensure the capacitors are fully discharged before troubleshooting WARNING Electrolytic Capacitors HIGH VOLTAGE CAUTIO...

Page 19: ...Pages 28 29 E2 Zero crossing detection error diagnosis and solution Page 30 E3 The indoor fan speed is operating outside of the normal range Page 31 E4 Indoor room temperature sensor T1 is in open circuit or has short circuited Page 37 E5 Evaporator coil temperature sensor T2 is in open circuit or has short circuited Page 37 EB Communication error between the indoor PCB and display board Page 38 E...

Page 20: ... from cell phones towers and remote boosters Shipping plates remained attached Unit will not start Operation is erratic unpredictable or unit is unresponsive Cannot set desired temp Unit is on but the wind is not cold hot Unit runs but shortly stops Theunit startsup and stops often Unit runs continuously however insufficient cooling heating Cool can not change to heat Unit is noisy Unit emits bad ...

Page 21: ...essor and condenser outdoor fan will not start Evaporator indoor fan will not start Condenser outdoor fan will not start Unit runs but shortly stops Compress or short cycles due to overload High discharge pressure Low discharge pressure High suction pressure Low suction pressure Unit runs continuously but insufficient cooling Too cool Compressor is noisy Horizontal louver can not revolve Test meth...

Page 22: ...alve Power installation of feeler bulb Unit will not start Compressor will not start however the fan runs Compressor and condenser outdoor fan will not start Evaporator indoor fan will not start Condenser out door fan will not start Unit runs but shortly stops Compress or short cycles due to overload High discharge pressure Low discharge pressure High suction pressure Low suction pressure Unit run...

Page 23: ...ll not start however the fan runs Compressor and condenser outdoor fan will not start Evaporator indoor fan will not start Condenser outdoor fan will not start Unit runs but shortly stops Compress or short cycles due to overload High discharge pressure Low discharge pressure High suction pressure Low suction pressure Unit runs continuously but insufficient cooling Too cool Compressor is noisy Hori...

Page 24: ... x x x x Outdoor fan motor x x x x X x x x x x Temperature sensor x x x x x x x x T2 Sensor x x x x x x x x x x Additional refrigerant x x x x x x x x x x Compressor x x x x x x x x x IPM board x x x x x x x x x x Outdoor unit x x x x x x x x x Occupancy Sensor Only Sizes 09 12 x x x x x x x x x Part Requiring Replacement Error Code F1 F2 F3 F4 F5 P0 P1 P2 P4 Indoor PCB x x x x x x x x x Outdoor P...

Page 25: ...nsors Room temp T1 sensor Indoor coil temp T2 sensor Outdoor coil temp T3 sensor Outdoor ambient temp T4 sensor Compressor discharge temp Tp sensor Measure the resistance value of each winding by using the multi meter Compressor Checking Measure the resistance value of each winding by using the tester Fig 15 Compressor Checking Table 17 Compressor Checking POSITION RESISTANCE VALUE ATM115D43UFZ2 B...

Page 26: ...apacity electrolytic capacitors to discharge completely and dismount the IPM Use a digital tester to measure the resistance between P and UVWN UVW and N Table 18 IPM Continuity Check Digital Tester Normal Resistance Value Digital Tester Normal Resistance Value Red Black Several M Red Black Several M P N U N U V V W W Red ...

Page 27: ... The location of the EEPROM chip on the indoor and outdoor PCB is shown in Figures 16 and 17 Fig 16 EEPROM Chip Indoor Unit Fig 17 EEPROM Chip Outdoor Unit The unit is operating normally NO YES Is it plugged correctly Correct the connection NO Replace the indoor outdoor main PCB Shut off the power supply Wait 2 minutes then turn back on Does the error code still appear If the EEPROM chip is welded...

Page 28: ... voltage between S and N on the outdoor unit Red pan S Black pan N YES Is the voltage moving alternately between positive and negative Is it normal YES Is it normal YES Is the error resolved NO NO Check the indoor wiring connections Is it normal YES Is the error resolved NO The voltage moves alternately with positive value NO The voltage is a certain value NO Power off Wait 2 minutes then power ba...

Page 29: ...is for 3 port When the air conditioner is normal running the voltage is moving alternately as positive values and negative values If the outdoor unit has a malfunction the voltage has always been the positive value If the indoor unit has malfunction the voltage is a fixed value Fig 18 Multimeter Use a multimeter to test the reactor resistance that does not connect with the capacitor The normal val...

Page 30: ...ro crossing signal feedback for 4 minutes or the zero crossing signal time interval is abnormal Recommended parts to prepare Connection wires PCB Troubleshooting and repair Check the connections and power supply Correct the connections Power on the unit when the power supply is good NO Indoor main PCB is defective Replace the indoor main PCB YES Is it normal ...

Page 31: ...e unit stops and the LED displays the failure F5 Recommended parts to prepare Wiring Faulty fan assembly Faulty fan motor Faulty PCB Troubleshooting and Repair YES Is it within normal parameters Replace the fan motor Does the problem exist The unit is operating normally NO YES Does it turn easily Find the cause of the problem and resolve NO Check the fan motor wiring YES Is it improperly wired Ens...

Page 32: ...n normally the PCB must have a problem and needs to be replaced If the fan can not run normally measure the resistance of each pin two If the resistance is not equal to each other the fan motor must have a problem and needs to be replaced otherwise the PCB must has problems and needs to be replaced Fig 21 Outdoor DC Fan Motor 3 IndoorAC Fan Motor Power on and set the unit running in FAN mode at th...

Page 33: ...le malfunctions the LED displays the failure Recommended parts to prepare Occupancy Sensor Troubleshooting and Repair NO YES NO YES Power off Wait 2 minutes then restart Is the unit still displaying an error code The unit is operating as designed Check the Occupancy Sensor module wiring Is it good Ensure proper connections Replace the Occupancy Sensor module ...

Page 34: ...e Faulty PCB Troubleshooting and Repair Check the power supply Is it in working order NO Check the connections and wires YES Are they in working order Ensure proper connections or replace the wires NO Power on and measure the voltage between P and N YES Replace the IPM board NO Check the reactor YES Is it in working order Replace outdoor PCB NO Replace the reactor YES Turn off the unit While the u...

Page 35: ...If the temperature of IPM module is higher than limited value the LED displays this failure code Recommended parts to prepare Faulty PCB Connection problems Troubleshooting and Repair Check the fastening screws on the PCB and IPM radiator Are they fixed tightly Replace the outdoor control PCB Tighten the screws and apply silicon grease NO YES ...

Page 36: ...oor PCB faulty Troubleshooting and Repair Check the wiring between the PCB and compressor Is it improperly wired Ensure proper connections or replace the wires and connectors YES Check the IPM NO Is it functioning properly Replace the IPM board or replace the outdoor PCB NO Check the outdoor fan and the outdoor unit ventilation YES Is it functioning properly Please refer to Fan Speed Malfunction s...

Page 37: ...V or higher than 4 94V the LED displays the failure Recommended parts to prepare Wiring mistake Faulty sensor Faulty PCB Troubleshooting and Repair Fig 23 Multimeter Check the connection between temperature sensor and PCB Replace indoor or outdoor PCB Is it within acceptable parameters Is it properly wired Ensure proper connections NO Measure the resistance value of the sensor YES Replace the sens...

Page 38: ...arts to prepare Wiring mistake PCB faulty Display board malfunction Troubleshooting and Repair Is it still displaying the error code The unit operates normally NO Check the wirings and connection YES Is it normal Correct the connection or replace the wirings NO Replace the indoor main PCB YES Is the problem solved Replace the display board NO The unit operates normally YES Power off Wait 2 minutes...

Page 39: ...stake Compressor malfunction Troubleshooting and Repair Check the power supply Do any exist Are they within acceptable parameters Are they properly connected Is it in working order Replace the outdoor unit Is it in working order Check system for blockages YES Stop the unit NO Clear the blockage NO Check the compressor resistance values YES Replace the compressor NO Check the connections and wires ...

Page 40: ...fan assembly Compressor malfunction Faulty outdoor PCB Troubleshooting and Repair Check the wiring between PCB and compressor Does an error exist Ensure proper connections or replace the wires and connectors YES Check the IPM NO Is it in working order Replace the IPM board or replace the outdoor PCB NO Check the outdoor fan and the outdoor unit ventilation YES Is it in working order Refer to the F...

Page 41: ...ONS Indoor Unit Sizes 09K 12K Front Panel n o i t a r t s u l l I e r u d e c o r P 1 Hold the front panel by the tabs on both sides and lift it 2 Push up the bottom of the air ﬁlter while pressing the buttom of the unit and then pull the air ﬁlter out downwards Front Panel Tab Filter ...

Page 42: ...s 09K 12K Front Panel continued n o i t a r t s u l l I e r u d e c o r P 3 Open the horizontal louver and push the hook towards the right to open 4 Bend the horizontal louver lightly with both hands to loosen the hooks then remove the horizontal louver Hook Horizontal Louver Hook ...

Page 43: ...l continued n o i t a r t s u l l I e r u d e c o r P 5 Remove the screw 1 then remove the electrical cover 6 Disconnect the two connectors on the display board 7 Slide the front panel side to side to release each axis 8 Remove the screw 1 and rotate the display board clockwise Next remove the clips ...

Page 44: ... t s u l l I e r u d e c o r P 1 Cut the ribbon with a shear then pull out the coil temperature sensor T2 2 Remove the screws 2 used for the ground connection 3 Remove the screws 1 for the electronic cover and 1 for the terminal cover Next remove the electronic box cover and the terminal cover along the direction indicated in the image on the right side to remove it 4 Disconnect the fan motor conn...

Page 45: ...r t s u l l I e r u d e c o r P 5 Disconnect the wires Next remove the electronic main box 6 Pull out the electrical control box along the direction indicated in the image to remove it 7 Each port connector is indicated in the image to the right Main Board Electronic Box Swing Motor Pipe Temperature Sensor Display Board Indoor Fan Motor Terminals Ground Wire ...

Page 46: ...K Evaporator n o i t a r t s u l l I e r u d e c o r P 1 Disassemble the pipe holder located at the rear of the unit 2 Remove the screws 3 on the evaporator located on the ﬁxed plate 3 Remove the screws 2 on the evaporator located at the base of the bearing side Pipe Holder Screws Screws ...

Page 47: ...ject to change without notice 47 Indoor Unit Sizes 09K 12K Evaporator continued n o i t a r t s u l l I e r u d e c o r P 4 Remove the screw 1 on the evaporator located at the top of the evaporator 5 Remove the evaporator Evaporator ...

Page 48: ...NOTE Remove the front panel electrical parts and evaporator refer to front panel electrical parts and evaporator removal steps before disassembling fan motor and fan n o i t a r t s u l l I e r u d e c o r P 1 Remove the screws 2 and remove the ﬁxing board of the fan motor 2 Remove the bearing sleeve Screws ...

Page 49: ...e front panel and electrical parts refer to the front panel electrical parts removal steps before disassembling the step motor n o i t a r t s u l l I e r u d e c o r P 3 Remove the set screw 4 Pull out the fan motor and fan assembly from the side Fixing Screw n o i t a r t s u l l I e r u d e c o r P 1 Remove the screws 2 then remove the stepping motor Stepping Motor ...

Page 50: ... Sensor NOTE Remove the front panel and electrical parts refer to the front panel electrical parts evaporator and fan motor and fan removal steps before disassembling the occupancy sensor n o i t a r t s u l l I e r u d e c o r P 1 Remove the screw 1 then remove the Occupancy Sensor Occupancy Sensor ...

Page 51: ...without notice 51 Indoor Unit Sizes 18K 24K Front Panel n o i t a r t s u l l I e r u d e c o r P 1 Hold the front panel by the tabs on both sides and lift it 2 Push up the bottom of the air filter step 1 then pull it out downwards Front Panel Tab ...

Page 52: ... 18K 24K Front Panel continued 3 Open the horizontal louver and push the hook towards the left to open it 4 Bend the horizontal louver lightly with both hands to loosen the hooks then remove the horizontal louver Horizontal Louver Hook Hook n o i t a r t s u l l I e r u d e c o r P ...

Page 53: ...without notice 53 Indoor Unit Sizes 18K 24K Front Panel continued n o i t a r t s u l l I e r u d e c o r P 5 Pry the electrical cover with a screwdriver and rotate it towards the left then remove it 6 Disconnect the connector on the display board ...

Page 54: ...change without notice 40MPHA 03SM Indoor Unit Sizes 18K 24K Front Panel continued n o i t a r t s u l l I e r u d e c o r P 7 Slide the front panel side to side to release each axis 8 Open the screw cap and then remove the screws 3 ...

Page 55: ...or Unit Sizes 18K 24K Front Panel continued n o i t a r t s u l l I e r u d e c o r P 9 Release the hooks by hand 10 Release the 5 hooks in the back 11 Pull out the panel frame while pushing the hook through the clearance between the panel frame and the heat exchanger ...

Page 56: ... Front Panel continued n o i t a r t s u l l I e r u d e c o r P 12 Release the 5 hooks of the vertical blades then pull the vertical blades toward the right and remove them 13 Remove the display board s screw 1 14 Rotate the display board in the direction shown in the picture on the right ...

Page 57: ...e front panel removal steps before disassembling electrical parts n o i t a r t s u l l I e r u d e c o r P 1 Cut the ribbon with a shear then pull out the coil temperature sensor T2 2 Remove the ﬁxing screw 1 on the electronic control box and screws 2 used for the ground connection 3 Pull upwards until the electronic control box cover is removed Ribbon T2 Sensor Ground Screws ...

Page 58: ...18K 24K Electrical Parts Anti static gloves must be worn continued n o i t a r t s u l l I e r u d e c o r P 4 Remove the ﬁxed devices from the connectors 5 Disconnect the fan motor connectors the step motor and the T2 sensor 6 Open the left side plate of the electronic control box ...

Page 59: ...ut notice 59 Indoor Unit Sizes 18K 24K Electrical Parts Anti static gloves must be worn continued n o i t a r t s u l l I e r u d e c o r P 7 Open the two clips on the front of the electric box 8 Open the upper cover plate of the electronic control box ...

Page 60: ...ntinued n o i t a r t s u l l I e r u d e c o r P 9 Remove the screw 1 and open the 2 clips along the direction indicated in the image on the right side 10 Pull out the electrical main board along the direction indicated in the image on the right Display board Terminal 1L Terminal W Terminal S Pipe Temperature Sensor Room Temperature Sensor ...

Page 61: ...t to change without notice 61 Indoor Unit Sizes 18K 24K Evaporator n o i t a r t s u l l I e r u d e c o r P 1 Disassemble the pipe holder located at the rear of the unit 2 Remove the screw 1 on the evaporator located at the ﬁxed plate ...

Page 62: ...thout notice 40MPHA 03SM Indoor Unit Sizes 18K 24K Evaporator continued n o i t a r t s u l l I e r u d e c o r P 3 Release the hook on the evaporator 4 Remove the screw 1 on the evaporator located at the ﬁxed plate 5 Remove the evaporator ...

Page 63: ...NOTE Remove the front panel electrical parts and evaporator refer to front panel electrical parts and evaporator removal steps before disassembling fan motor and fan n o i t a r t s u l l I e r u d e c o r P 1 Remove the screws 2 and remove the ﬁxing board of the fan motor 2 Remove the bearing sleeve Screws ...

Page 64: ...e front panel and electrical parts refer to the front panel electrical parts removal steps before disassembling the step motor n o i t a r t s u l l I e r u d e c o r P 3 Remove the set screw 4 Pull out the fan motor and fan assembly from the side Fixing Screw n o i t a r t s u l l I e r u d e c o r P 1 Remove the screws 2 then remove the stepping motor Stepping Motor ...

Page 65: ...4006 3 27 41 5878 37 99 5 87359 77 171 1 29078 117 243 0 38991 2 28 39 8239 38 100 5 62961 78 172 1 25423 118 244 0 37956 1 30 37 1988 39 102 5 39689 79 174 1 2133 119 246 0 36954 0 32 35 2024 40 104 5 17519 80 176 1 17393 120 248 0 35982 1 34 33 3269 41 106 4 96392 81 178 1 13604 121 250 0 35042 2 36 31 5635 42 108 4 76253 82 180 1 09958 122 252 0 3413 3 37 29 9058 43 109 4 5705 83 181 1 06448 12...

Page 66: ...9 35 95 35 78 75 167 8 084 115 239 2 422 4 25 222 8 36 97 34 32 76 169 7 82 116 241 2 357 3 27 211 4 37 99 32 94 77 171 7 566 117 243 2 294 2 28 200 7 38 100 31 62 78 172 7 321 118 244 2 233 1 30 190 5 39 102 30 36 79 174 7 086 119 246 2 174 0 32 180 9 40 104 29 15 80 176 6 859 120 248 2 117 1 34 171 9 41 106 28 81 178 6 641 121 250 2 061 2 36 163 3 42 108 26 9 82 180 6 43 122 252 2 007 3 37 155 2...

Page 67: ... 255 2 3 5 38 3 32 89 6 63 145 4 94 201 2 125 257 4 39 2 33 91 4 64 147 2 95 203 126 258 8 4 5 40 1 34 93 2 65 149 96 204 8 127 260 6 5 41 35 95 66 150 8 97 206 6 128 262 4 6 42 8 36 96 8 67 152 6 98 208 4 129 264 2 7 44 6 37 98 6 68 154 4 99 210 2 130 266 8 46 4 38 100 4 69 156 2 100 212 131 267 8 9 48 2 39 102 2 70 158 101 213 8 132 269 6 10 50 40 104 71 159 8 102 215 6 133 271 4 11 51 8 41 105 ...

Page 68: ...rwood Parkway Atlanta GA 30339 Edition Date 04 19 Catalog No 40MPHA 03SM Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Replaces 40MPHA 02SM ...

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