Friedrich Floating Air Pro-Premiere FPHFW18A3A Service Manual Download Page 11

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SPECIFICATIONS

Product Dimensions: Indoor Units

Model

Width

Height

Depth

FPHSW09A1A,

FPHSW09A1B/B

33 7/8 “(Inches)

11 3/16 “(Inches)

8 1/2 “(Inches)

FPHFW09A3A,

FPHFW09A3B/B

33 7/8 “(Inches)

11 3/16 “(Inches)

8 1/2 “(Inches)

FPHSW12A1A,

FPHSW12A1B/B

33 7/8 “(Inches)

11 3/16 “(Inches)

8 1/2 “(Inches)

FPHFW12A3A,

FPHFW12A3B/B

33 7/8 “(Inches)

11 3/16 “(Inches)

8 1/2 “(Inches)

FPHFW18A3A,

FPHFW18A3B/B

45 3/16 “(Inches)

13 1/8 “(Inches)

9 15/16 “(Inches)

FPHFW24A3A,

FPHFW24A3B/B

45 3/16 “(Inches)

13 1/8 “(Inches)

9 15/16 “(Inches)

FPHSW36A3A,

FPHSW36A3B,

FPHSW36A3C/B/C

50 5/8 “(Inches)

13 5/8 “(Inches)

10 5/16 “(Inches)

Figure 203

Summary of Contents for Floating Air Pro-Premiere FPHFW18A3A

Page 1: ...1 FPHSW12A1A FPHSR12A1A 115 12k FPHW121A FPHSW12A1B FPHSR12A1A 115 12k WiFi FPHW123 FPHFW12A3A FPHSR12A3A 208 230 12k FPHW123A FPHFW12A3B FPHSR12A3A 208 230 12k WiFi FRHW123 FRHSW12A3A FRHSR12A3A 208 230 12k FRHW123A FRHSW12A3B FRHSR12A3A 208 230 12k WiFi FPHW183 FPHFW18A3A FPHSR18A3A 208 230 18k FPHW183A FPHFW18A3B FPHSR18A3A 208 230 18k WiFi FPHW243 FPHFW24A3A FPHSR24A3A 208 230 24k FPHW243A FPH...

Page 2: ...t and Operation Test 39 MAINTENANCE 40 TROUBLESHOOTING 43 Diagnostic Codes 43 Outdoor Unit 43 Outdoor Unit When The Compressor Is In Operation 45 Indoor Unit 46 Led Display 49 Test the jumper terminals 52 Protection Circuit Fault Isolation 53 Compressor Fault Isolation 54 Electric FIlter Board Fault Isolation 54 Electrical Communication Fault ISOLATION 54 Unit does not run 55 Error Code 39 DC FAN ...

Page 3: ...rance 81 Gas Charging After Repair 82 Pumping Down 83 WIRING DIAGRAMS 84 Wiring Diagram Lookup Table 84 Indoor Units 85 Outdoor Units 87 APPENDIX 89 Appendix 1 Reference Sheet of Celsius and Farenheit 89 Appendix 2 Pipe Expanding Method 90 Appendix 3 Resistance Table Of Indoor Coil And Indoor Room Sensor 91 The Resistence Table of Outdoor Coil and Outdoor Air Sensor 91 Resistance Table Of Outdoor ...

Page 4: ... this manual and on your appliance Always read and obey all safety messages This is a safety Alert symbol This symbol alerts you to potential hazards that can kill or hurt you and others All safety messages will follow the safety alert symbol with the word WARNING or CAUTION These words mean Indicates a hazard which if not avoided can result in severe personal injury or death and damage to product...

Page 5: ...y and or death Your safety and the safety of others are very important We have provided many important safety messages in this manual and on your appliance Always read and obey all safety messages This is the safety Alert symbol This symbol alerts you to potential hazards that can kill or hurt you and others All safety messages will follow the safety alert symbol with the word WARNING or CAUTION T...

Page 6: ...shock or other electrically unsafe conditions when the power is restored and the unit is turned on even after the exterior is dry Use air conditioner on a single dedicated circuit within the specified amperage rating Ensure that the unit is properly grounded Follow all safety precautions and use approved protective safety equipment such as gloves goggles and clothing Ensure that properly insulated...

Page 7: ...s Be careful when handling and working around exposed edges and corners of the sleeve chassis and other unit components especially the sharp fins of the indoor and outdoor coils Use proper and adequate protective aids such as gloves clothing safety glasses etc Failure to follow proper safety procedures and or these warnings can result in serious injury or death PROPERTY DAMAGE HAZARDS FIRE DAMAGE ...

Page 8: ...W Wa llmounted D Ducted Insider C Cassette R Remo te Condense r Function HS H eat Pump Single HM Heat Pump Multi HF Heat Pump Flex Single and Multizone Coolin g BTU HR Model Approximate Introductory Chara cter Voltage A 201 9 B 202 0 C 202 1 D 202 2 1 115 Volts 3 230 Volts MODEL IDENTIFICATION GUIDE Marketing Suffix Letter indicates modification to existing mode l ...

Page 9: ... SOUND RATING OUTDOOR dB A 53 53 53 55 53 55 OPERATING RANGE HEATING F 4 75 4 75 4 75 13 75 4 75 13 75 OPERATING RANGE COOLING F 5 115 5 115 5 115 0 115 5 115 0 115 ELECTRICAL DATA POWER SOURCE V Hz Phase 115V 60Hz 1P 115V 60Hz 1P 230V 208V 60Hz 1P 230V 208V 60Hz 1P 230V 208V 60Hz 1P 230V 208V 60Hz 1P MIN AMPACITY A 13 5 16 5 10 10A 10 12A COOLING WATTS W 700 950 655 559 960 779 HEATING WATTS W 78...

Page 10: ...8 60 60 OPERATING RANGE HEATING F 4 75 4 75 4 75 4 75 OPERATING RANGE COOLING F 5 115 5 115 5 115 5 115 ELECTRICAL DATA POWER SOURCE V Hz Phase 230V 208V 60Hz 1P 230V 208V 60Hz 1P 230V 208V 60Hz 1P 230V 208V 60Hz 1P MIN AMPACITY A 15 20 30 30 COOLING WATTS W 1385 1880 4186 4186 HEATING WATTS W 1638 2500 3459 3459 MAX TD FUSE BREAKER A 20 30 35 35 POWER AND COMMUNICATION CABLE Type 4 x 14AWG 600V T...

Page 11: ...3 16 Inches 8 1 2 Inches FPHSW12A1A FPHSW12A1B B 33 7 8 Inches 11 3 16 Inches 8 1 2 Inches FPHFW12A3A FPHFW12A3B B 33 7 8 Inches 11 3 16 Inches 8 1 2 Inches FPHFW18A3A FPHFW18A3B B 45 3 16 Inches 13 1 8 Inches 9 15 16 Inches FPHFW24A3A FPHFW24A3B B 45 3 16 Inches 13 1 8 Inches 9 15 16 Inches FPHSW36A3A FPHSW36A3B FPHSW36A3C B C 50 5 8 Inches 13 5 8 Inches 10 5 16 Inches Figure 203 ...

Page 12: ...sponds with the operating ambient temperature of outdoor unit This data is obtained with Free Spin of the Condenser and not in a testing mode Conditions 1 Pipe length height difference 25 ft 7 6m 0 ft 0m 2 Compressor at rated inverter frequenc y 3 Indoor fan speed at high fan speed 4 Capacity loss due to frost accumulation and defrost operation is not included ...

Page 13: ... 10 0 70 82 11 90 8 33 0 81 87 11 78 8 25 1 00 95 11 63 8 14 1 02 104 11 08 7 76 1 02 115 9 94 6 96 1 00 FPHW121 A 32 10 76 7 53 0 27 41 11 29 7 90 0 36 50 11 93 8 35 0 42 59 12 17 8 52 0 59 67 12 44 8 71 0 78 77 12 68 8 88 1 01 82 13 25 9 28 1 07 87 12 98 9 08 1 16 95 12 55 8 79 1 25 104 11 90 8 33 1 24 115 10 53 7 37 1 18 FPHW093 A 32 8 54 5 97 0 26 41 8 72 6 10 0 36 50 9 15 6 41 0 47 59 9 53 6 ...

Page 14: ... 07 9 85 1 09 87 13 85 9 69 1 15 95 13 25 9 27 1 22 104 12 15 8 50 1 19 115 9 81 6 87 1 10 FPHW183 A 32 16 78 11 75 0 97 41 17 75 12 43 1 09 50 18 40 12 88 1 22 59 18 62 13 03 1 30 67 19 03 13 32 1 35 77 19 31 13 52 1 41 82 19 55 13 69 1 60 87 19 26 13 48 1 91 95 18 57 13 00 1 91 104 17 27 12 09 2 11 115 15 80 11 06 2 11 FPHW243 A 32 22 14 15 50 1 09 41 25 05 17 54 1 47 50 26 49 18 55 1 72 59 27 2...

Page 15: ... 52 82 37 89 26 52 3 59 87 37 20 26 04 3 69 95 32 91 23 04 3 90 104 29 64 20 75 3 65 115 23 63 16 54 3 13 FRHW093 A 32 7 60 5 32 0 21 41 8 41 5 89 0 28 50 9 73 6 81 0 40 59 11 23 7 86 0 50 67 12 94 9 06 0 69 77 14 12 9 89 0 89 82 14 48 10 13 1 04 87 14 27 9 99 1 07 95 13 56 9 49 1 16 104 12 67 8 87 1 25 115 11 62 8 13 1 40 FPHW123 A 32 13 76 9 63 0 33 41 14 12 9 88 0 47 50 14 60 10 22 0 50 59 14 9...

Page 16: ... 1 19 35 33 9 89 1 03 47 43 10 54 0 94 59 50 9 86 0 82 FPHW121 A 5 7 6 40 1 22 5 3 8 12 1 30 14 12 9 76 1 49 17 15 12 13 1 63 23 19 12 95 1 68 32 28 13 07 1 48 35 33 14 00 1 43 47 43 15 50 1 45 59 50 12 73 0 91 FPHW093 A 5 7 4 95 1 14 5 3 6 20 1 20 14 12 7 29 1 27 17 15 8 59 1 34 23 19 9 33 1 38 32 28 9 85 1 34 35 33 10 23 1 19 47 43 11 65 1 11 59 50 10 78 0 80 FPHW123 A 5 7 8 67 1 29 5 3 10 18 1 ...

Page 17: ... 65 35 33 20 92 1 80 47 43 21 27 1 81 59 50 20 73 1 77 FPHW243 A 5 7 11 57 2 35 5 3 15 61 2 62 14 12 17 08 2 61 17 15 19 55 2 79 23 19 19 31 2 76 32 28 20 88 2 57 35 33 21 64 2 54 47 43 26 78 2 52 59 50 26 68 2 50 FPHW363 A 5 7 15 93 3 02 5 3 19 21 3 12 14 12 21 01 3 07 17 15 21 32 3 15 23 19 25 92 3 45 32 28 27 41 3 61 35 33 33 11 3 80 47 43 38 07 3 90 59 50 34 61 2 74 FRHW093 A 5 7 5 25 1 08 5 3...

Page 18: ...Capacity By System Model System Model Outdoor Air Temp F DB Indoor Air Temp F DB F WB 80 67 Cooling BTUs Heating BTUs Power kBtu h kW FRHW123 A 5 7 8 56 1 46 5 3 10 78 1 60 14 12 11 96 1 80 17 15 11 90 1 56 23 19 13 03 1 48 32 28 15 07 1 61 35 33 15 22 1 66 47 43 17 21 1 51 59 50 16 45 1 17 ...

Page 19: ...sed to stop or start Horizontal adjustment louver swingingand setthe desired left right airflow direction TIMER ON CLOCK SWING Used to stop or start verticaladjustment louver swingingand set the desired up down airfow direction it Used to set or cancel the timer operation and used to setthe currenttime TIMER OFF Used to set or cancel the timer operation ECONOMY 8 HEAT optional Used to set 8 HEAT M...

Page 20: ...e will exit If exited from the remote control the system will operate with the corresponding mode selected on the remote control I Feel Function The I Feel function is set by the remote control The room temperature value interpreted by the system will use the temperature on the remote control instead of the temperature reported by the ambient air sensor in the indoor unit The remote control will a...

Page 21: ...ing between Cooling and Heating modes the compressor ceased for operation for 5 minutes Cooling only appliance a When the room temperature exceeds 79 F it will be ran in Cool mode and the temperature is set to 79 F b When the room temperature exceeds 73 F but not more than 79 F it will be operated in the Dry mode c When the room temperature is not more than 73 F it will be operated in the Fan only...

Page 22: ... sensor on the remote control Indoor fan motor operation Anti cold air system When the appliance run in Heat mode condition the indoor fan motor operation is shown in Figure 303 to prevent the cooling air come out during the appliance operation 95ºF 86 F 77 F When the difference between the setting temperature and the room temperature equal to 2º or 4º the indoor fan speed will keep in current spe...

Page 23: ...Operation at the frequency in the range 30 60Hz according to Dt Tindoor ambient Tset Dehumidifying area II The compressor stops for 5 minutes and operators for 5 minutes at the lowest frequency Dehumidifying area III The compressor stops Dt F f Hz 32 30 33 30 34 40 35 50 36 60 Figure 304 Figure 305 62 F ...

Page 24: ...on 2 If the temperature of coiled pipe is equal to or higher than 57 F EEPROM setting value in the current operating mode Actions of exiting the defrosting state The compressor stops 50 seconds later the four way valve opens and another 10 seconds later the compressor and outdoor fan restart and begin normal operation Conditions of anti freezing prohibition of frequency rising Condition 1 in the c...

Page 25: ...25 INSTALLATION Installation Dimension Diagram Figure 401 ...

Page 26: ...26 INSTALLATION Main Tools For Installation and Maintenance Figure 402 ...

Page 27: ...ibration Keep away from direct sunlight and heating sources Do not place flammable materials or combustion apparatuses on top of the unit Site forInstalling Outdoor Unit Clear open space with good unrestricted airflow Avoid installing it where flammable gas could leak Keep the required distance apartfrom the wall Keep the outdoor unit away from greasy dirt Afixed base where it is not subject to in...

Page 28: ...ote It to for sheet concrete block brick and such of Note The left of the mounting bracket may be not the center of the indoor unit Note The design of your mounting plate may be the one above but method Figure 406 wall hole sleeve 2 Drilla Hole forPiping 1 Decide the position of hole for piping according to the location of mounting plate 2 Drill a hole on the wall The hole should tilt a little dow...

Page 29: ... hole from outside 1 Cut the liquid pipe and gas pipe to the right length according to the position mark on the wall mounting plate Fig 408 Ensure that the cut is flat Fig 409 0 0 0 0 X cJlt 0 Slanted Rough 0 LIIIIJ Pl E 0 rn rn GMPFE I I I I I Flg 408 Fig 409 2 Remove buns on the cutting edges Keep the pipe outlet down to avoid the metal powder into the pipe Fig 410 3 Flare the pipes Insert the p...

Page 30: ...30 INSTALLATION Install Indoor Unit 4 IndoorUnit Piping Installation 1 Hang the unit onto mounting plate Fig 412 Fig 413 Fig 415 ...

Page 31: ... or 0 02 9K 12K Gas Side ell 9 53 or 318 30 35N m or22 26ft lbs 22 or 7 8 0 6 or 0 024 18K Gas Side cll 12 or 1 2 50 55N m or37 41ft lbs 24 or 0 94 0 6 or 0 024 24K 36K Gas Side 16 or 5 8 00 65N m or44 48ft lbs 27 or1 1 0 6 or 0 024 38K Gas Side 4 19 or 3 4 7D 711N m or52 55ft lbs 32 or 1 26 1 0 or 0 039 NOTE Dimensions are in mm or inch unless otherwise stated in the table 7 After connecting pipi...

Page 32: ...4 i mounting plate 9 Remove the support plate as shown in Fig 423 Then move the unit step by step to reach the best Installation then press the 2 buckles of the air duct Into 2 down slots of the mounting plate Fig 424 and Fig 425 Air duct _ Down slot Fig 425 No Tire ffguru In thlB manualmayd 8rfn n that offile airconditioneryou have a 8cfad ...

Page 33: ...ont shell as shown in Fig 428 Fig 428 fl E E LJ Ml __ n u a a i ___ E Back of the front shell 1 _ n a a n u a 1 J I E r ca IA 11 Install the screws and close the screw covers as shown in Fig 429 Note For some models you need to install 3 screws 12 Close the front panel as shown in Fig 430 Front panel Fig 429 Fig 430 Note The figures in this manual may differ from that ofthe air conditioner you hav...

Page 34: ...34 INSTALLATION Install Outdoor Unit Fig 431 ...

Page 35: ...35 INSTALLATION Outdoor Units ...

Page 36: ...rew Connect the wires to the termlnals on the control board individually per circuit diagram posted on inside of access door 2 Secure the power cord onto the control board with cable clamp 3 Reinstall the cable cross board to the original position with the screw 4 Use a recognized circuit breaker between the power source and the unit A dlsconnecUng device to adequately disconnect all supply lines ...

Page 37: ...the valve to the vacuum pump and check for micron rise for 15 minutes If microns rise to near atmospheric pressure there is a potential leak repeat step 1 If microns rise over 5000 the system is very wet and will require further nitrogen purges 3 2nd Nitrogen Break Once the system holds below 5000 microns reconnect the nitrogen tank break the system vacuum with 30 50psi of nitrogen Wait 5 minutes ...

Page 38: ...IT EVACUATE CHECK FOR TIGHT DRY SYSTEM IF IT HOLDS A VACUUM BREAK VACUUM WITH DRY NITROGEN Capacity Btu h Pipe Size Standard Length ft Max Elevation B ft Max Length A ft Additional Refrigerant oz ft LIQUID GAS 9k 12 1 4 Ø6 35 3 8 Ø9 52 25 33 50 22 18k 1 4 Ø6 35 1 2 Ø12 7 25 33 66 22 24k 36k 3 8 Ø9 52 5 8 Ø15 88 25 33 66 32 Fig 437 Fig 436 ...

Page 39: ...y cause insufﬁcient cooling heating capacity Test Operation System Checks 1 Conceal refrigerant pipes where possible 2 Make sure drain hose slopes downward along entire length at a slope of 1 4 inch per foot 3 Ensure all refrigerant pipes and connections are properly insulated 4 Fasten pipes to outside wall when possible 5 Seal and weatherproof wall hole which the interconnecting wires and refrige...

Page 40: ...40 MAINTENANCE Fig 501 ...

Page 41: ...cover 2 Disconnect tha fan motor line and the louver motor line wiring COYer electrical boxcover 1 Open the screw covers and remove the screws rafltrto Flg 414 of INDOOR UNrr INSTALLATION 2 Open tha Hmlt axn 3 Remove the front shall for cleanIng Note Pay attention to the llmlt of F position some models have two places Note when you want to dean the front shell with clean water you must first remov...

Page 42: ...s do not have H position screws A 1 Press the 2 buckles of the air duct to disengage it from 2 down slots of the mounting plate 2 Remove the air duct Note when you want to cl n the air duct and the fan with clean water you must first remove the motor on the air duct eAfter cleaning install the machine against the disanemble sequence Motor Note If the front shell the air duct and the fan are washed...

Page 43: ...dfailed Currentoverloadprotection ON BLINKS OFF a thefanmotorrunabnormally b thecondensorandevaporatorisdirty c theairinletandoutletisabnormall Maximumcurrentprotection ON BLINKS ON a theoutdoorcontrolboardisshortcircuited b thedriveboardisshortcircuited c theothercomponentsareshortcircuited Communicationtroublebetween outdoorunitanddriver OFF ON ON a theconnectionwiresareloose b theoutdoorboard o...

Page 44: ...is dirty f The outdoor unit has been installed without standard PFCprotection BLINKS OFF OFF a thePFCfailed b theoutdoordriveboardfailed Compressorpreheatingprocess BLINKS ON BLINKS it is normal mode in cold weather Chipinoutdoorboardfaulted ON OFF BLINKS a Using the wrong drive board b Using the wrong compressor ACvoltagehigherorlower protection ON ON BLINKS a the supply voltage is higher or lowe...

Page 45: ...ncy rising caused by too high compressor discharge temperature 5 Limit to the max operating frequency caused by too low power voltage 6 ON ON ON Operation at fixed frequency in the case of capability measuring or compulsory operation at fixed frequency 7 BLINK OFF OFF Protective frequency decreasing against outdoor overload overpower over frequency conversion rate over torque detection of DC under...

Page 46: ...wer Timer Running Sleep 1 2 3 4 Content The root cause is may be one of the following 0 Normal 1 OFF BLINK OFF OFF The failure for temperature sensor of outdoor coil a The outdoor temperature sensor loose b The outdoor temperature sensor failed c The indoor control board failed 2 OFF BLINK ON OFF Compressor exhaust temperature sensor in trouble a the compressor exhaust temperature sensor connector...

Page 47: ...led 15 ON ON BLINK OFF Compressor shell temperature too high protection a the compressor exhaust temperature sensor connector loose b the unit refrigerant charge is low 16 Anti freeze protection with cooling or overload protection with heating in a the indoor coil temperature sensor connector loose b the indoor coil temperature sensor failed c the indoor control board failed d the refrigerant syst...

Page 48: ...d failed 34 BLINK OFF ON OFF The failure for temperature sensor of indoor coil temperature a The indoor coil temperature sensor loose b The indoor coil temperature sensor failed c The indoor control board failed 36 BLINK ON OFF ON Communication failure between the indoor unit and outdoor unit a the communication cable connector loose b the connection between the filter board and the terminal is in...

Page 49: ... connection between the filter board and the terminal is incorrect or loose e the indoor control board failed f the PFC board failed g the power board failed h the outdoor control board failed 8 Current overload protection a the fan motor runs abnormally b the condensor and evaporator are dirty c the air inlet and outlet is abnormal or obstructed 9 Maximum current protection a the outdoor control ...

Page 50: ...l mode in cold weather 23 Expansion valve A tube thin sensor fault 1 The wiring of the sensor for the expansion valve A thin tube connect loose 2 The sensor for the expansion A thin tube has failure 3 The sampling circuit is abnormal 24 Outdoor board chip failure a Using the wrong drive board b Using the wrong compressor 26 Overheated outdoor radiator a Radiator sensor fails b Detection circuit of...

Page 51: ...otor cord connector loose c The fan motor has failed d The indoor control board failed 41 OFF OFF ON The failure for Indoor grounding protective The indoor control board failed The failure is detected when the room temperature sensor broken or shorted over 5 sec The failure is detected when the temperature sensor of heater exchange broken or shorted over 5 sec The failure is detected when each set...

Page 52: ...f there is a probability that the outdoor unit is malfunctioning or to rule out field wiring the terminals below can be jumped to engage the outdoor unit in normal cooling operation Application Jump these terminals to engage cooling for the outdoor unit This is to determine that the field wiring is correct Fig 701 ...

Page 53: ...2 value Hz S The indoor and outdoor fans run Conditions for ending over current frequency decreasing when the current drops below current value for starting the refrigeration current protective prohibition of frequency rising E2 value over current under clocking will be released Is the limit auto reset 3 Prohibition of frequency increasing of compressor exhausting Conditions for prohibition of fre...

Page 54: ...s the circuit is simple the connection may be checked visually to see whether any loose or poor connection Voltage test the voltage at the input end shall be the same as the voltage at the output end Electrical Communication Fault ISOLATION Step one to determine whether the connecting cables and tether cables of indoor outdoor units are correctly wired If not change wiring order and test connectio...

Page 55: ...oard is fault Replace it No No No No Does it receive the remote controller signal Is the remote controller setting right Check the code Replace the batteries Retry remote operation If not good replace remote controller Is the remote controller in good condition Make sure all wires are connected correctly display board Replace the display board Replace the Replace the board indoor control Yes Yes N...

Page 56: ...p following the remote controller order Check the connector of indoor motor connected tightly or not Check the each pin to GND pin shorted or not Indoor control board faulty and replace it DC Fan Replace the indoor fan motor With power on check Vdc pin to GND pin 310Vdc or not Vcc pin to GND pin 15V or not Yes Yes No No No No Yes Yes Fig 703 DC Fan Test Points Fig 704 ...

Page 57: ...stop following the remote controller order Check the connector of indoor motor connected tightly or not Is the windings of the fan right or not earth winding and winding to the earth Indoor control board faulty and replace it PG Fan Replace the indoor fan motor Check the 5V and Vout to GND shorted or not Yes Yes No No No No Yes Yes Fig 705 PG Fan Test Points Fig 706 ...

Page 58: ...9 Error code 9 Maximum current protection The outdoor control board fault replace the board Yes No Compressor fault replace the compressor Is the windings of the conpressor right or not eath winding and winding to the earth Fig 707 ...

Page 59: ...59 TROUBLESHOOTING Error Code 13 Fig 708 Error Code 8 ...

Page 60: ... or the two valves that connecting to indoor unit are not opening Yes Yes The protector fault replace it Or the protector connecting wire in the conpressor is loosen check it No No Is the protector plug connected to the CN902 of the control board tightly or not Shell protec on test point Fig 709 Compressor protection device is open Wait to see if it resets A feel test on compressor should confirm ...

Page 61: ...ck the air inlet and outlet of indoor unit Check the coil sensor of indoor unit right or not Change the indoor board Change the coil sensor no yes yes no Error 21 cooling mode Outdoor coil anti overload protection Is the outdoor condensor overheating Check the coil sensor of outdoor unit right or not Change the outdoor control board Change the coil sensor Refrigeration system protection check the ...

Page 62: ...62 TROUBLESHOOTING Error Code 20 DC fan motor test point Fig 711 ...

Page 63: ...ce of sensor Take out the black connector sensor Meaure the resistance of sensor Replace the sensor Replace the outdoor Take out the black connector sensor Meaure the resistance of sensor control board No Yes Does the resistance of the sensor have the characteristics on sensor parameter Does the resistance of the sensor have the characteristic on part sensor parameter Error code 6 Voltage of power...

Page 64: ...tdoor control board 1 The resistance of the windings is correct 2 The resistance between the windings and ground is correct Corrent the connection or replace the wires and connectors Change the control board or replace it Replace the fan or the outdoor unit ventilation The compressor is faulted change the compressor No No No No Yes Yes Yes Yes Is fastening screw of IPM fastened fastening No Yes te...

Page 65: ...65 TROUBLESHOOTING Error Code 19 Reverse of IPM P U P V P W test Forward of IPM N U N V N W test Reverse of IPM N U N V N W test test point Forward of IPM P U P V P W test Fig 714 ...

Page 66: ...66 TROUBLESHOOTING Error Code 19 test point The resistance of the compressor U W V W Values should be 0 1 Ohms between phases Fig 715 ...

Page 67: ...s No Check Line Voltage at indoor and Outdoor Units for 115 or 230 VAC as required Is voltage correct Trace back source of problem and correct Yes No Is condensate pump being powered from terminal block It must have it s own power source Connect condensate pump to its own power source Yes Yes Measure voltage between S1 and N Is the voltage ﬂuctua ng between 0 and 24 vdc See Figure 716 No Replace i...

Page 68: ...68 Fig 716 TROUBLESHOOTING Error Code 36 ...

Page 69: ...ned the display may be blank See Figure 717 When the micro switch is not engaged and the power button is depressed there will be no display and the system will not operate or respond in any way See Figure 718 When the Timer On Clock button is pressed you will see a temperature on the display but still no system operation After a few seconds the display will drop the temperature leaving just the Wi...

Page 70: ...entary Temp Display When the Timer On Clock button is pressed you will see a temperature on the display but still no system operation After a few seconds the display will drop the temperature leaving just the Wi Fi and Timer icons Still no indoor unit operation See Figure 719 ...

Page 71: ...k Discharge pressure value approaches static pressure value Compressor motor winding abnormality Note Don t put a compressor on its side or turn over Assemble the compressor quickly after removing the plugs Prolonged exposure will damage the internal components of the compressor Ensure wiring is correct before operating Reverse operation will permanently damage the compressor Electric Reactor Comm...

Page 72: ...auses of this would be low charge restriction or issue with the electronic expansion valve EEV Check Resistence of EEV stepper coil Using an ohmmeter check all wires against each other 5 wire EEV Red to all colors is 45 10 All other colors to each other are 95 10 Remove the head off the EEV pulls right off check for any rust build up If there is any rust inside the EEV head replace the EEV head If...

Page 73: ...73 COMPONENTS TESTING Fan Motor ...

Page 74: ... for several revolutions and measure voltage YELLOW and GND on motor The voltage repeats 0V DC and 5V DC Notes Do not hold motor by lead wires Do not connect or disconnect the molex connecter while power ON Do not drop motor against hard material Malfunction may not be observed at early stage after such shock But it may be found later this type of mishandling voids our warranty Indoor DC Fan Motor...

Page 75: ...235 1898224 FRHSR09A3A OU PCB SYD SVE 1878005 208 230 9k FPHW121 FPHSW12A1A FPHSW12A1B 1833235 FPHSR12A1A OU PCB SYD SVE 115 12k FPHW123 FPHFW12A3A FPHFW12A3B 1833235 1898224 FPHSR12A3A OU PCB SYD SVE 1878005 1841765 208 230 12k FRHW123 FRHSW12A3A FRHSW12A3B 1833235 1898224 FRHSR12A3A OU PCB SYD SVE 1878005 1841765 208 230 12k FPHW183 FPHFW18A3A FPHFW18A3B 1833235 1841766 FPHSR18A3A 1841765 208 23...

Page 76: ... Identification 1 Interface of PG motor 2 Room temperature sensor 3 Pipe temperature sensor 4 Switch button 5 Feedback from PG motor 6 Up down swing 7 Left right swing 8 Wiring control or wifi interface 9 Display interface 10 Protective tube 1 Interface of PG motor 2 Room temperature sensor 3 Pipe temperature sensor 4 Switch button 6 Up down swing 7 Left right swing 8 Display interface 9 Protectiv...

Page 77: ...S TESTING Printed Circuit Board Indoor Figure 611 36k units 1836919 Indoor Unit Printed Circuit Board Identification 1 Interface of ID motor 2 Room and Pipe temperature sensor 4 Switch button 6 Vane Steppers 9 Fuse ...

Page 78: ... valve 3 Terminal of compressor W phase 12 Terminal of heater 4 Terminal of DC fan 13 communication wire to terminal block 5 Terminal of electronic expansion valve 14 Terminal of nuetral wire to terminal block 6 Terminal of compressor overload protector 15 Terminal of live wire to terminal block 7 Compressor discharge temperature sensor 16 Terminal of ground wire 8 Terminal of AC fan 17 Terminal o...

Page 79: ...lve 3 Terminal of reactor 11 Outdoor ambient temperature sensor 4 Terminal of signal wire connect to the terminal panel 3 SI 12 Outdoor pipe temperature sensor 5 Terminal of neutral wire connect to the terminal panel 1 N 13 Compressor discharge temperature sensor 6 Terminal of live wire connect to the terminal panel 2 L 14 Terminal of compressor overload protector 7 cool valve terminal 15 Over pre...

Page 80: ...ssor 11 DRED Function 3 Terminal of DC fan 12 Terminal of AC fan 4 Heat Sink temperature sensor 13 Cool Valve terminal 5 PressureProtector 14 Heater terminal 6 Compressor discharge temperature sensor 15 4 way valve terminal 7 Outdoor ambient temperature sensor 16 Terminal of communication wire 8 Outdoor pipe temperature sensor 17 Terminal of live wire 9 Terminal of compressor overload protector 18...

Page 81: ...h charging cylinder Open Open Open Open with charging cylinder Open Open Open Works Shipping Air purging Installation Operation Evacuation Pumping down Transfering Servicing Gas charging Servicing Pressure check Servicing Gas releasing Servicing 1 2 3 4 5 6 Valve cap Open position Closed position Pin Service port Service port cap To outdoor unit Flare nut To piping connection To outdoor unit Hexag...

Page 82: ...e air conditioner turn off the air conditioner before disconnecting the hose Tighten the service port nut Be sure to check for gas leakage Lo Open Open 3 Way valve Gas side CLOSE 3 Way valve OPEN Outdoor unit Liquid side Indoor unit This is different from previous procedures Because you are charging with liquid refrigerant from the gas side absolutely do not attempt to charge with larger amounts o...

Page 83: ...m that the valve stems are in the raised position Be sure to use a hexagonal wrench to operate the valve stems Connect the charge hose with the push pin to the service port Open the low pressure valve on the charge set slightly to air purge from the charge hose Do this quickly so that the gauge ends up indicating 0 15 PSI Tighten the service port nut Be sure to check for gas leakage 14 PSI ...

Page 84: ...9A3A FRHSW09A3B 1854605 1912241 1907790 FRHSR09A3A 1854707 208 230 9k FPHW121 A FPHSW12A1A FPHSW12A1B 1912241 FPHSR12A1A 1912204 115 12k FPHW123 A FPHFW12A3A FPHFW12A3B 1854605 FPHSR12A3A 1854707 208 230 12k FRHW123 A FRHSW12A3A FRHSW12A3B 1854605 FRHSR12A3A 1854707 208 230 12k FPHW183 A FPHFW18A3A FPHFW18A3B 1854605 1854698 FPHSR18A3A 1854707 208 230 18k FPHW243 A FPHFW24A3A FPHFW24A3B 1854698 FP...

Page 85: ...85 WIRING DIAGRAMS Indoor Units Figure 802 FPHFW09A3A FPHFW09A3B Figure 801 FPHSW09A1A FPHSW09A1B FPHFW09A3A FPHFW09A3B FPHFW12A3A FPHFW12A3B FRHSW12A3A FRHSW12A3B FPHFW18A3A FPHFW18A3B ...

Page 86: ...86 WIRING DIAGRAMS Indoor Units Figure 804 FPHSW36A3A FPHSW36A3B FPHSW36A3C Figure 803 FPHFW18A3A FPHFW18A3B FPHFW24A3A FPHFW24A3B ...

Page 87: ...87 WIRING DIAGRAMS Outdoor Units Figure 805 9 36K Outdoor Units ...

Page 88: ...S VIEWER All Friedrich Service Parts can be found on our online interactive parts viewer Please click on the link below Interactive Parts Viewer For Further Assistence contact Friedrich customer service at 1 800 541 6645 ...

Page 89: ...65 64 4 18 88 89 87 8 31 43 44 42 8 6 66 67 66 2 19 90 89 6 32 45 44 6 7 68 69 68 20 91 92 91 4 33 46 47 46 4 8 70 71 69 8 21 93 94 93 2 34 48 49 48 2 9 72 71 6 22 95 96 95 35 50 51 50 10 73 74 73 4 23 97 98 96 8 36 52 53 51 8 11 75 76 75 2 24 99 98 6 37 54 53 6 12 77 78 77 25 temperature Fahrenheit display Fahrenheit Celsius display Fahrenheit temperature Fahrenheit Celsius display Fahrenheit tem...

Page 90: ... C Put on suitable insulating pipe Confirm the pipe length according to the distance of indoor unit and outdoor unit Cut the required pipe with pipe cutter D Put on the union nut Remove the burrs with shaper and prevent the burrs from getting into the pipe A Cut the pip E Expand the port Remove the union nut on the indoor connection pipe and outdoor valve install the union nut on the pipe Outer di...

Page 91: ...4 085229093 26 6 17 158 1 14565549 95 3 711 2 894109636 163 4 1 109 4 106941536 28 4 16 401 1 18599135 96 8 3 58 2 937788018 165 2 1 076 4 12888601 30 2 15 683 1 22696435 98 6 3 455 2 980713033 167 1 045 4 149715216 32 15 1 26865672 100 4 3 335 3 023117961 168 8 1 015 4 17007359 33 8 14 351 1 31098658 102 2 3 219 3 065272268 170 6 0 986 4 189944134 35 6 13 734 1 35393437 104 3 108 3 106725146 172 ...

Page 92: ...71050177 28 4 206 917 0 15908889 96 8 36 077 0 79296593 165 2 3 776 3 214826021 30 2 196 805 0 16699001 98 6 34 616 0 82093877 167 3 703 3 237170332 32 187 25 0 17521257 100 4 33 224 0 84949031 168 8 3 602 3 268602192 33 8 177 957 0 18402550 102 2 31 895 0 87866649 170 6 3 501 3 300650422 35 6 169 186 0 19319719 104 30 628 0 90841082 172 4 3 409 3 33039475 37 4 160 903 0 20273937 105 8 29 419 0 93...

Page 93: ... authorized FRIEDRICH distributor dealer or the contractor who installed the equipment If your dealer or contractor needs assistance the authorized FRIEDRICH distributor is available for consultation and FRIEDRICH supports the efforts of the distributor 4 This limited warranty applies only to units remaining at the site of the original installation except for mobile home installations and only to ...

Page 94: ...educing warranty expenses while increasing customer satisfaction levels FRIEDRICH AUTHORIZED PARTS DEPOTS AAA Refrigeration Service 1322 24th Street Suite B Kenner Louisiana 70062 504 464 7444 877 813 7444 United Products Distributors Inc 4030A Benson Ave Halethorpe MD 21227 888 907 9675 c businsky updinc com Shivani Refigeration Air Conditioning Inc 2259 Westchester Ave Bronx NY 10462 sales shiva...

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Friedrich Floating Air Pro-Premiere FPHFW18A3A, Service Manual

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