Friedrich PDE07K Series Service & Parts Manual Download

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UNIT DISASSEMBLY

Indoor Motor, Wheel, & Heating Element Assembly

Figure 409 (Primary & Secondary Limits)

Summary of Contents for PDE07K Series

Page 1: ...C ZONEAIRE PREMIER Standard Chassis Models 7K PDE07K3SG PDE07R3SG PDH07K3SG PDH07R3SG PDE12K3SG PDE12R3SG PDH12K3SG PDH12R3SG 9K 12K 94141400_01 PDE09K3SG PDE09R3SG PDH09K3SG PDH09R3SG 15K PDE15K5SG PDE15R5SG PDH15K5SG PDH15R5SG ...

Page 2: ...lectrical Component Replacement 50 INSTALLATION 60 PTAC Installation Recommendations 60 Wall Sleeve Installation Instructions PDXWS 61 Alternate Wall Installations 62 PXDR10 Drain Kit Installation 65 External Drain 66 PXGA Standard Grille 67 Electrical Wiring for 265 Volt Models 68 Chassis Install Preparation 70 Chassis Installation 72 How To Connect 73 Thermostat 74 Final Inspection Start up Chec...

Page 3: ... PDE07K PDE07R PDE09K PDE09R PDE12K PDE12R PDE15K PDE15R 111 PDH07K PDH07R PDH09K PDH09R PDH12K PDH12R PDH15K PDH15R 117 ACCESSORIES 123 APPENDIX 125 Reference Sheet of Celsius and Fahrenheit 125 Resistance Table of Indoor Ambient Temperature Sensor 15K 126 Resistance Table of Tube Temperature Sensors for Indoor and Outdoor 20K 127 Resistance Table of Discharge Temperature Sensor for Outdoor 50K 1...

Page 4: ...incinerate Only certified refrigeration technicians should service this equipment R410A systems operate at higher pressures than R22 equipment Appropriate safe ser vice and handling practices must be used Only use gauge sets designed for use with R410A Do not use standard R22 gauge sets NOTICE CAUTION WARNING The information in this manual is intended for use by a qualified technician who is famil...

Page 5: ...arge and test capacitors according to safe established standards and approved procedures Extreme care proper judgment and safety procedures must be exercised if it becomes necessary to test or troubleshoot equipment with the power on to the unit Do not spray water on the air conditioning unit while the power is on Electrical component malfunction caused by water could result in electric shock or o...

Page 6: ...onents 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 HAZARDS Read the Installation Operation Manual for the air conditioning unit prior to operating Use air condition...

Page 7: ...E AIRBORNE DUST OR CONTAMINTES NEAR OR AROUND AIR INTAKE OPENINGS Wood or metal framing Drywalling or sheathing Spackling or applying joint compound Sanding or grinding Moulding or trimwork NOTICE Operatingtheequipmentduringanyphaseofactiveconstructionnotedabovecan voidtheequipment swarranty alsoleadingtopoorperformanceandpremature failure ...

Page 8: ...l They are given in the Installation and Operation Manual which can be aquired on the Friedrich website www friedrich com ModelNumberReferenceGuide MODEL NUMBER 07 7 000 Btuh Nominal Capacity 09 9 000 Btuh 12 12 000 Btuh 15 15 000 Btuh Series PD Friedrich Digital PTAC System X Accessory E Cooling with or without electric heat H Heat Pump with Auxiliary Heat 5 0 kw only available on 9 000 12 000 an...

Page 9: ...ER MANUFACTURING LOCATION NUMERIC SEQUENCE FIRST UNIT OF EACH MONTH 00001 17 12 M 00001 Refer to the Chart below for Serial Numbers beginning with an Alpha Sequence A K A M 00001 LJ 2009 AE 2015 AK 2010 AF 2016 AA 2011 AG 2017 AB 2012 AC 2013 AD 2014 A Jan D Apr G Jul K Oct E May H Aug L Nov B Feb C Mar F Jun J Sep M Dec PTAC Serial Number Identification Guide PRODUCT LINE M PRODUCT CODE MONTH MAN...

Page 10: ... 208 265 Volt Range 253 187 292 239 253 187 292 239 Current Amps 2 7 2 9 2 4 3 7 3 9 3 3 Power factor 0 97 0 97 0 97 0 97 Compressor LRA 13 0 12 5 19 5 13 5 Compressor RLA 2 5 2 2 3 5 3 0 Outdoor Fan Motor HP 0 080 0 080 0 080 0 080 AIRFLOW DATA Indoor CFM HIGH 345 315 345 355 325 355 Indoor CFM LOW 270 255 270 300 275 300 Vent CFM 75 75 75 75 PHYSICAL DATA Sleeve Dimensions H x W x D 16 x 42 x 13...

Page 11: ...3 187 292 239 253 187 292 239 Current Amps 2 7 2 9 2 4 3 7 3 9 3 3 Reverse Heat Amps 2 4 2 6 2 2 3 4 3 2 3 1 Power Factor 0 97 0 97 0 97 0 97 Compressor LRA 13 0 12 5 19 5 13 5 Compressor RLA 2 5 2 2 3 5 3 0 Outdoor Fan Motor HP 0 080 0 080 0 080 0 080 AIRFLOW DATA Indoor CFM HIGH 345 315 345 355 325 355 Indoor CFM LOW 270 255 270 300 275 300 VENT CFM 75 75 75 75 PHYSICAL DATA Sleeve Dimensions H ...

Page 12: ... 253 187 292 239 253 187 292 239 Current Amps 4 9 5 1 4 2 6 2 6 7 5 4 Power factor 0 97 0 97 0 97 0 97 Compressor LRA 21 5 19 0 28 9 21 6 Compressor RLA 4 7 3 9 5 9 5 05 Outdoor Fan Motor HP 0 086 0 086 0 086 0 086 AIRFLOW DATA Indoor CFM HIGH 400 390 400 400 390 400 Indoor CFM LOW 325 310 325 325 310 325 Vent CFM 75 75 75 75 PHYSICAL DATA Sleeve Dimensions H x W x D 16 x 42 x 13 3 4 all models Di...

Page 13: ...Range 253 187 292 239 253 187 292 239 Current Amps 4 9 5 1 4 2 6 2 6 7 5 4 Reverse Heat Amps 4 2 4 7 3 7 6 2 6 7 5 0 Power Factor 0 97 0 97 0 97 0 97 Compressor LRA 21 5 19 0 28 9 21 6 Compressor RLA 4 7 3 9 5 9 5 05 Outdoor Fan Motor HP 0 086 0 086 0 086 0 086 AIRFLOW DATA Indoor CFM HIGH 400 390 400 400 390 400 Indoor CFM LOW 325 310 325 325 310 325 VENT CFM 75 75 75 75 PHYSICAL DATA Sleeve Dime...

Page 14: ...14 SPECIFICATIONS Figure 205 Chassis Specs Unit inch 21 1 2 10 42 40 16 E Figure 206 Typical Unit Components and Dimensions ...

Page 15: ...1 for proper receptacle and fuse type Do NOT alter the service cord or plug Do NOT use an extension cord All Friedrich 230 208V PTAC units are shipped from the factory with a Leakage Current Detection Interrupter LCDI equipped power cord The LCDI device meets the UL and NEC requirements for cord connected air conditioners effective August 2004 To test your power supply cord 1 Plug power supply cor...

Page 16: ...he removal process of the chassis s junction box Figure 25 in the Installation section 2 Prepare the 265V or 230V power cord for connection to the chas sis power cord connector by cutting the cord to the appropriate length refer to Figure 26 and follow Figure 15 Power cord harness selection shown on Table 2 Table 2 Model Heater kW Power Cord Kit Voltage Amperage Receptacle PDE PDH07K 2 5 PXPC23015...

Page 17: ...e unit can be switched between ON and OFF mode Cool button In ON status the unit will operate in cooling mode In OFF mode after pressing the Cool button the controller will operate according to cooling mode Other functions will operate according to the status before turning off the unit Heat button In ON status the unit will operate in heating mode In OFF mode after pressing the Heat button the co...

Page 18: ...rotection for evaporator STATUS LED blinks 5 times and goes out for 3s circularly 10 Frost protection heat pump STATUS LED blinks 7 times and goes out for 3s circularly 11 Refrigerant lacking protection Dual 8 displays F0 12 Overload detection protection Dual 8 displays H3 13 Compressor over current protection Dual 8 displays E5 14 Protection for electric heater error Dual 8 displays A2 If there i...

Page 19: ...heat if compressor can t be started up due to protection function electric heater will start heating instead of compressor 15s later It will stop operation until satisfying the temperature point customized requirement When Tindoor amb Tindoor amb compensation 7preset 5 o F 3 o C the electric heater operates Indoor fan operates at set fan speed ĸ When Tindoor amb Tindoor amb compensation 7preset 2 ...

Page 20: ...Q PRGH 7KH FRQ JXUDWLRQ PRGHV PHQWLRQHG DERYH ZLOO EH TXLWWHG ZKHQ PRGH EXWWRQ LV SUHVVHG RU QR EXWWRQ LV pressed within 30s 5 Resetting timer ROG RQ SUHVVLQJ Ÿ EXWWRQ DQG ź EXWWRQ VLPXOWDQHRXVO IRU V XQGHU WKH SURWHFWLRQ IRU FRPSUHVVRU DQG HOHFWULF KHDWHU PLQLPXP VWRS WLPH or the protection for compressor minimum operation time the protection time will be reduced 6 Memory function Energizing afte...

Page 21: ...eat Override PDH Heat Pump Models Enables electric heat operation only in the event of compressor failure Factory position Down normal operation Up position Disables compressor operation IF ANY DIP SWITCH IS MODIFY THE POWER TO THE UNIT NEEDS TO BE CYCLE ON OFF IN ORDER TO SAVE NEW SETTING ...

Page 22: ...unctions Settings Dip Switch 2 Wall Thermostat Switch Disconnect power to unit before changing DIP switch Enables unit to be controlled by a wall thermostat Factory position Down unit controls operation Up position Wall thermostat controls operation ...

Page 23: ...23 OPERATION DipSwitchFunction 3 4 4 Dip Switch Functions Settings Dip Switch 3 and 4 Disable No Function ...

Page 24: ...ON DipSwitchFunction 5 6 5 Dip Switch Functions Settings Dip Switches 5 6 Allows the set point range to be adjusted Factory Setting Down Down 61º 86º F Options Up Down 63º 80º F Down Up 65º 78º F Up Up 68º 75º F ...

Page 25: ...e unit to ensure the indoor room temperature does not fall below 40º F even when turned off If unit senses a room temperature below 40 F the fan motor and electric heat will turn on and warm the room to 50 F And turn off Factory position Down Freeze protection enabled Up position Freeze protection disabled ...

Page 26: ... coil through the liquid line as a warm high pressure liquid It next will pass through the refrigerant drier if equipped It is the function of the drier to trap any moisture present in the system contaminants and large particulate matter The liquid refrigerant next enters the metering device The metering device is called a capillary tube The purpose of the metering device is to meter i e control o...

Page 27: ...R CAPILLARY AXIAL FAN COMPRESSOR HEATING MODE COOLING MODE NOTES REFRIGERANT FLOW DIRECTION CENTRIFUGAL OR CROSS FAN HOT AIR INDOOR COILS ELECTRIC HEATER COOLED AIR COMPRESSOR OUTDOOR COILS HOT DISCHARGED AIR CAPILLARY REFRIGERANT FLOW DIRECTION AXIAL FAN CENTRIFUGAL OR CROSS FAN ELECTRIC HEATER INDOOR COILS COOLED AIR Figure 301 Sequence of Operation ...

Page 28: ...he sink using warm water and a mild dishwashing detergent Dry the filter thoroughly before reinstalling Use caution the coil surface can be sharp Fan Motor Compressor The fan motor compressor are permanently lubricated and require no additional lubrication Wall Sleeve Inspect the inside of the wall sleeve and drain system periodically annually or semi annually and clean as required Under extreme c...

Page 29: ...he front panel panel clasps OWHU ROG IURQW HQG RI OWHU ZLWK KDQG DQG WKHQ SXOO WKH OWHU XSZDUGV WR UHPRYH LW a b clasps Service Manual Installation and Maintenance 42 11 Removal Procedure Caution pull out the power discharge the refrigerant completely before removal Note Take heat pump electric heating unit as example for the disassemly cooling only electric heating is a little different Precedure...

Page 30: ...ds slightly to remove the guard board 5HPRYH VFUHZV LQJ OHIW EUDFNHW DQG WKHQ remove the left bracket 5HPRYH VFUHZV LQJ WKH JULOOH DQG WKHQ remove the grille screw screw left bracket screw screws guard board right bracket c 5HPRYH VFUHZV LQJ ULJKW EUDFNHW DQG then remove the right bracket grille c b a Precedure Steps REMOVAL PROCEDURE Remove The Chassis ...

Page 31: ...RS SDQHO VXE assy and then remove the top panel sub assy 5 Remove top panel sub assy screws middle connection board middle connection board screws guard net 3 Remove middle connection board 5HPRYH VFUHZV LQJ WKH PLGGOH connection board and then remove the middle connection board screws top panel sub assy Precedure Steps REMOVAL PROCEDURE RemoveTheChassis ...

Page 32: ...ox and then remove the control cover plate 5HPRYH VFUHZV LQJ GLVSOD ERDUG DQG then remove the display board 5HPRYH VFUHZV LQJ EDIÀH SODWH RI HOHFWULF ER DQG WKHQ UHPRYH WKH EDIÀH SODWH RI electric box screw control cover plate screws display board screws Pull out the motor wiring terminal EDIÀH SODWH RI HOHFWULF ER wiring terminal d b c a Precedure Steps REMOVAL PROCEDURE Remove The Chassis ...

Page 33: ...ectric box and then remove the right side plate of electric box 5HPRYH VFUHZV LQJ IURQW FRYHU RI electric box and then remove the front cover of electric box 5HPRYH VFUHZV LQJ HOHFWULF ER DQG WKHQ remove the electric box Precedure Steps screws screws screws ULJKW VLGH EDIÀH SODWH RI HOHFWULF ER front cover of electric box electric box right side plate of electric box screws REMOVAL PROCEDURE Remov...

Page 34: ...FRPSUHVVRU DQG WKHQ remove compressor 8 Remove 4 way valve 9 Remove compressor and capillary sub assy 7 Remove middle connection board 5HPRYH VFUHZV LQJ WKH PLGGOH connection board and then remove the middle connection board 5HPRYH RQH VFUHZ LQJ WKH FDEOH FURVV plate and then remove the cable cross plate Precedure Steps screws spots 4 way valve screw cable cross plate middle connection board a b a...

Page 35: ...ODGH RXWZDUGV WR UHPRYH LW 5HPRYH VFUHZV LQJ PRWRU DQG WKHQ remove the motor 12 Remove outdoor motor 10 Remove guide loop sub assy 5HPRYH VFUHZV LQJ WKH JXLGH ORRS VXE assy and then pull the guide loop upwards to remove it Precedure Steps screws guide loop sub assy nut D LDO ÀRZ screws motor REMOVAL PROCEDURE Remove The Chassis ...

Page 36: ...J WKH SURSHOOHU KRXVLQJ and then remove the propeller housing 13 Remove air duct sub assy 5HPRYH VFUHZV LQJ WKH PLGGOH connection board and then remove the middle connection board Precedure Steps screws air duct sub assy screws screws screws propeller housing REMOVAL PROCEDURE Remove The Chassis ...

Page 37: ...WKH FURVV ÀRZ EODGH 5HPRYH VFUHZV LQJ PRWRU DQG WKHQ remove the motor 17 Remove indoor motor Precedure Steps screws screw screws motor FURVV ÀRZ 15 Remove blade end cap sub assy 5HPRYH VFUHZV LQJ WKH EODGH HQG FDS sub assy and then remove the Blade end cap sub assy blade end cap sub assy REMOVAL PROCEDURE Remove The Chassis ...

Page 38: ... remove it 5HPRYH VFUHZV LQJ FRQGHQVHU DQG WKHQ pull the condenser upwards to remove it 18 Remove electric heater 5HPRYH VFUHZV LQJ HOHFWULF KHDWHU and then pull the electric heater vertically to remove it Precedure Steps screws screws screws electric heater condenser evaporator REMOVAL PROCEDURE Remove The Chassis ...

Page 39: ...39 UNIT DISASSEMBLY IndoorMotor Wheel HeatingElementAssembly FIGURE 401 Removal of Indoor Fan Wire Harness ...

Page 40: ...40 UNIT DISASSEMBLY Indoor Motor Wheel Heating Element Assembly FIGURE 402 Removal of Indoor Fan Blower Assembly ...

Page 41: ...41 UNIT DISASSEMBLY Indoor Motor Wheel Heating Element Assembly FIGURE 403 Removal of Indoor Fan Grommet ...

Page 42: ...42 UNIT DISASSEMBLY Indoor Motor Wheel Heating Element Assembly Figure 404 Left side Bushing Bushing Housing ...

Page 43: ...43 UNIT DISASSEMBLY Indoor Motor Wheel Heating Element Assembly Figure 405 Removal of Indoor Fan Blower Assembly ...

Page 44: ...44 UNIT DISASSEMBLY Indoor Motor Wheel Heating Element Assembly Figure 406 Removal of Indoor Fan Housing Assembly ...

Page 45: ...45 UNIT DISASSEMBLY Indoor Motor Wheel Heating Element Assembly Figure 407 Remove Housing Indoor Motor and Heater ...

Page 46: ...46 UNIT DISASSEMBLY Indoor Motor Wheel Heating Element Assembly Figure 408 Heater Element Removal 3 screws on each side ...

Page 47: ...47 UNIT DISASSEMBLY Indoor Motor Wheel Heating Element Assembly Figure 409 Primary Secondary Limits ...

Page 48: ...48 UNIT DISASSEMBLY OutdoorMotor Blade ShroudAssembly Figure 410 Remove Gussets and Fan Shroud ...

Page 49: ...49 UNIT DISASSEMBLY Outdoor Motor Blade Shroud Assembly Figure 411 Loosen Fan Shroud and Bellows Drain Valve Located inside Shroud ...

Page 50: ...50 UNIT DISASSEMBLY ElectronicBoard ElectricalComponentReplacement Figure 412 Remove User Interface ...

Page 51: ...51 UNIT DISASSEMBLY Electronic Board Electrical Component Replacement Figure 413 Remove User Interface ...

Page 52: ...52 UNIT DISASSEMBLY Electronic Board Electrical Component Replacement FIGURE 414 Low Voltage Connections ...

Page 53: ...53 UNIT DISASSEMBLY Electronic Board Electrical Component Replacement Figure 415 Power Cord and Housing ...

Page 54: ...54 UNIT DISASSEMBLY Electronic Board Electrical Component Replacement Figure 416 Power Cord Indoor Motor and Heater Connections ...

Page 55: ...55 UNIT DISASSEMBLY Electronic Board Electrical Component Replacement Figure 417 Removal of Control Compartment ...

Page 56: ...56 UNIT DISASSEMBLY Electronic Board Electrical Component Replacement Figure 418 Main Board Relay Board ...

Page 57: ...57 UNIT DISASSEMBLY Electronic Board Electrical Component Replacement Figure 419 Relay Board and Replaceable Fuse ...

Page 58: ...58 UNIT DISASSEMBLY Electronic Board Electrical Component Replacement Figure 420 Transformer ...

Page 59: ...59 UNIT DISASSEMBLY Electronic Board Electrical Component Replacement Figure 421 Transformer Removed ...

Page 60: ...ld be kept For proper PTAC unit performance and maximum operating life refer to the minimum installation clear ances below For PTACs on the ground floor or anytime obstructions are present use the following guidelines The above suggestions are for reference only and do not represent all possible installations Please contact Friedrich for information regarding affects of other installation arrangem...

Page 61: ...all 3 From inside the building position the wall sleeve in the opening and push it into the wall until it protrudes at least on the outside Do not allow sleeve to be pulled See Figure 11 Page 10 4 Position the wall sleeve with a slight tilt towards the outside to facilitate condensate drainage It should be level side to side and the front should be bubble higher than the back Figure 3 Typical Wall...

Page 62: ...m is recommended It is the installer s responsibility to ensure there is adequate drainage for the PTAC unit Alternate Wall Installations FRP003 OPTIONAL SUBBASE LEVELING SCREW Figure 4 Panel Wall FRP004 CASE FLANGE BY OTHERS WALL OR WINDOW 1 4 MIN PROJECTION OPTIONAL SUBBASE LEVELING SCREW Figure 6 Curtain Wall FRP005 1 4 MIN PROJECTION OPTIONAL SUBBASE LEVELING SCREW WOOD FRAME STEEL LINTEL 11 M...

Page 63: ... PLASTIC ANCHORS WOOD SCREW ALTERNATE FASTENING METHODS Field Supplied TOGGLE BOLT EXPANSION ANCHOR BOLT SCREWS WALL SLEEVE Figure 8 Wall Sleeve Attachment FRP009 13 A C B Dimension A B Allow for floor finishing Allow for wall finishing Minimum Min Max No Accessories MIN WALL With Subbase 1 3 5 With Lateral Duct C Allow for proper drainage Front to Back If more than one accessory is to be used use...

Page 64: ...sealant around the wall sleeve where it projects through the inside and outside wall surfaces Apply the sealant to the screw heads or the tops of the fasteners used in Step 5 7 If the chassis and exterior grille are to be installed later leave the weatherboard and center support in place otherwise remove and dispose of them See Figure 13 Page 12 8 Provide a support lintel if the wall sleeve is ins...

Page 65: ...g 6 Referring to Figure 12 Detail A Page 11 locate and assemble the 2 two cover plates and gaskets over the drain holes at the rear of the wall sleeve Attach them with the 10 sheet metal screws provided Make certain that the four overflow slots at the rear of the wall sleeve are not blocked See drawing of the back of the sleeve Figure 12 Page 11 7 If a deep wall extension PDXWSEXT is used after in...

Page 66: ...Installation 4 Mount the foam gasket to the cover plate Using two 10 x sheet metal screws provided attach the cover plate to the remaining drain hole Make certain the large flange on the plate is positioned at the bottom of the sleeve 5 Discard the additional cover plate gasket machine screws and locknuts NOTE The large flange on the mounting plate is positioned at the bottom of the sleeve facing ...

Page 67: ...m inside the building maneuver the grille through the wall sleeve and pull toward you until the screw heads are inserted into the keyhole slots at the top of the wall sleeve Tighten the two screws completely 5 Insert the remaining screws into the remaining holes and tighten securely Figure 13 Standard Grille WARNING Falling Object Hazard Not following Installation Instructions for mounting your ai...

Page 68: ...65 Volt Models Power Cord Installation All 265V PTAC PTHP units come with a factory installed non LCDI power cord for use in a subbase If the unit is to be hard wired refer to the instructions in the installation section of this manual NOTE It is recommended that the PXSB subbase assembly the To install the line voltage power leads and con duit to chassis follow the instructions below and refer to...

Page 69: ...r to the wall junction box cover with locknut Place and mount the wall junction box with the four wall mounting screws making sure to pass the wall lines through the junction box Connect and join all wall lines with the stripped ends using wire nuts Tighten both screws of the wall junction box cover to junction box 6 Refer to Figure 27 Figure 15 Figure 16 Figure 17 FRP032 4 0 IN 18 0 IN TRIM HARNE...

Page 70: ...e of the front cover b Slide the left door pin into the hole on the left side of the front cover opening c Snap cover into place NOTE Toavoidbreakingthedoororhingepins donotapplyexcessive force when installing IMPORTANT When installing a Friedrich PTAC into an existing sleeve it is important to ensure that the unit is installed completely Inspection of the air seal between the condenser air baffle...

Page 71: ...ning and may result in damage to vent door cable 3 Carefully remove shipping tape from the front panel and vent door See Figure 20 4 Remove shipping screw from the vent door if present See Fig 21 5 Remove front panel See Figure 22 Pull out at the bottom to release it from the tabs 1 Then lift up 2 NOTE If the unit is mounted flush to the floor the service cord MUST be rerouted at the bottom of the...

Page 72: ...l front panel See Figure 24 Figure 23 Securing Unit FRP023 POWER SUPPLY CORD High Med Low Fan Cool Heat Fan Speed Mode Temper ature Power Figure 24 Replacing Front Panel CAUTION Excessive Weight Hazard Use two or more people when installing your air conditioner Failure to do so can result in back or other injury NOTICE Copper refrigerant tubes are NOT handles Do NOT use tubing to lift or move chas...

Page 73: ...ontrols Disconnect power to unit before servicing by 1 Removing power cord if it has one from wall receptacle 2 Removing branch circuit fuses or turning circuit breakers off at panel FRP017 UNIT CONNECTOR JUNCTION BOX JUNCTION BOX COVER High Med Low Fan Cool Heat Fan Speed Mode Temperature Power Figure 25 Junction Box Location Figure 26 Power Connection FRP018 ACCESSORY POWER SUPPLY CORD OR HARD W...

Page 74: ...e cool dual stage heat thermostat with an O reversing valve control The Friedrich RT6 thermostat can be configured for either model Figure 33 Control board with optional PDXRT escutcheon kit installed Tocontroltheunitwithawallmountedthermostat follow the steps below 1 Unplug the unit before doing any work 2 With the front cover removed locate the dip switches located below the Smart Center control...

Page 75: ... the input the unit will run normally NOTE It is the installer s responsibility to ensure that all control wiring connections are made in accordance with the installation instructions Improper connection of the thermostat control wiring and or tampering with the unit s internal wiring can void the equipment warranty Other manufacturer s PTACs and even older Friedrich models may have different cont...

Page 76: ...be cleaned with a mild soap or detergent Do NOT use solvents or hydrocarbon based cleaners such as acetone naphtha gasoline benzene etc to clean the decorative front or air discharge grilles Use a damp not wet cloth when cleaning the control area to prevent water from entering the unit and possibly damaging the electronic control Fan Motor Compressor The fan motor compressor and are permanently lu...

Page 77: ...n and lubricant contamination do not leave the refrigeration system open to the atmosphere longer than 1 hour 10 Weigh in the refrigerant charge into the high side of the system 11 Introduce liquid refrigerant charge into the high side of the system 12 For low side pressure charging of R 410A use a charging adaptor 13 Use industry standard R 410A filter dryers IMPORTANT SEALED SYSTEM REPAIRS TO CO...

Page 78: ...gned and that its compressor will not be damaged Too much refrigerant overcharge in the system is just as bad if not worse than not enough refrigerant undercharge They both can be the source of certain compressor failures if they remain uncorrected for any period of time Quite often other problems such as low air flow across evaporator etc are misdiagnosed as refrigerant charge problems The refrig...

Page 79: ...d system turn the unit on allow the compressor to run long enough to establish working pressures in the system 15 to 20 minutes During the cooling cycle you can listen carefully at the exit of the metering device into the evaporator an intermittent hissing and gurgling sound indicates a low refrigerant charge Intermittent frosting and thawing of the evaporator is another indication of a low charge...

Page 80: ...depending upon amount of over charge Suction pressure should be slightly higher Compressor amps will be near normal or higher Noncondensables can also cause these symptoms To confirm reclaimsome of the charge if conditions improve system may be overcharged If conditions don t improve Noncondensables are indicated Figure 602 Overcharged System WARNING RISK OF ELECTRIC SHOCK Unplug and or disconnect...

Page 81: ...at the metering device entrance to the evaporator The evaporator in a partial restriction could be partially frosted or have an ice ball close to the entrance of the metering device Frost may continue on the suction line back to the compressor Often a partial restriction of any type can be found by feel as there is a temperature difference from one side of the restriction to the other With a compl...

Page 82: ...or charging the sealed system is the Weighed in Charge Method The weighed in method should always be used whenever a charge is removed from a unit such as for a leak repair compressor replacement or when there is no refrigerant charge left in the unit To charge by this method requires the following steps 1 Install a piercing valve to remove refrigerant from the sealed system Piercing valve must be...

Page 83: ...sing the port liquid line to the outdoor coil The flow path of the refrigerant is then through the filter drier and heating capillary to the outdoor coil Failure of the slide in the check valve to seat properly in either mode of operation will cause flooding of the cooling coil This is due to the refrigerant bypassing the heating or cooling capillary tube and entering the liquid line COOLING MODE ...

Page 84: ...uction side of the system The other two are connected to the indoor and outdoor coils Small capillary tubes connect each end of the main valve cylinder to the A and B ports of the pilot valve A third capillary is a common return line from these ports to the suction tube on the main valve body Four way reversing valves also have a capillary tube from the compressor discharge tube to the pilot valve...

Page 85: ...unit is in operation This will cause the coil to burn out Touch Test in Heating Cooling Cycle WARNING ELECTRIC SHOCK HAZARD Disconnect power to the unit before servicing Failure to follow this warning could result in serious injury or death BURN HAZARD Proper safety procedures must be followed and proper protective clothing must be worn when working with a torch Failure to follow these procedures ...

Page 86: ...tion block the air flow through the indoor coil and allow discharge pressure to build in the system Then switch the system from heating to cooling Should the valve fail to shift in either position after increasing the discharge pressure replace the valve Dented or damaged valve body or capillary tubes can prevent the main slide in the valve body from shifting If you determing this is the problem r...

Page 87: ...or wrap valve body with wet rag 7 Fit all lines into new valve and braze lines into new valve WARNING EXPLOSION HAZARD The use of nitrogen requires a pressure regulator Follow all safety procedures and wear protective safety clothing etc Failure to follow proper safety procedures could result in serious injury or death 8 Pressurize sealed system with a combination of R 410A and nitrogen Pressurize...

Page 88: ...o shift complete reversal but does not Hot Warm Warm Hot Hot TVB Check unit for correct operating pressures and charge Raise head pressure If no shift use valve with smaller port Not enough pressure differential at start of stroke or not enough ﬂ ow to maintain pressure differential Replace valve Body damage Hot Warm Warm Hot Hot Hot Both ports of pilot open Raise head pressure operate solenoid If...

Page 89: ... amperage and winding temperature High motor temperature or amperage heats the overload causing it to open breaking the common circuit within the compressor Heat generated within the compressor shell usually due to recycling of the motor is slow to dissipate It may take anywhere from a few minutes to several hours for the overload to reset Checking the Overloads External Overloads With power off r...

Page 90: ...t be made whenever you suspect the compressor is defective If the compressor has been operating for sometime a careful examination must be made to determine why the compressor failed Many compressor failures are caused by the following conditions 1 Improper air ﬂow over the evaporator 2 Overcharged refrigerant system causing liquid to be returned to the compressor 3 Restricted refrigerant system 4...

Page 91: ...o the instructions with the kit 6 If any evidence of a burnout is found no matter how slight the system will need to be cleaned up following proper procedures 7 Install the replacement compressor 8 Pressurize with a combination of R 410A and nitrogen and leak test all connections with an electronic or Halide leak detector Recover refrigerant and repair any leaks found 8a If leak detector is unavai...

Page 92: ...the system including new drier strainer and capillary tube 5 Pressurize with a combination of R 410A and nitrogen and leak test all connections with an electronic or Halide leak detector Recover refrigerant and repair any leaks found 5a If leak detector is unavailable remove all refrigerant from system and pressurize with nitrogen to 350 psi Check that system holds pressure Repeat Step 5 to insure...

Page 93: ...93 COMPONENT TESTING PCBPrintedDiagramBoard1 Top view Bottom view 1 2 3 4 1 Terminal of temperature sensor 2 Main chip 3 Interface of display 4 Interface of main board Figure 706 Circuit Card ...

Page 94: ...Relay of electric heating 5 Terminal of 4 way valve 9 2 Terminal of transformer Relay of compressor 6 Terminal of outdoor fan 10 Current inductor 3 Terminal of transformer 7 Terminal of indoor fan 11 4 Neutral wire interface 8 Current inductor 12 Interface of main board Figure 707 Circuit Card ...

Page 95: ...sed if it becomes necessary to work on equipment with power applied Failure to do so could result in serious injury or death 1 THERMISTER VOLTAGS IS 4 7 VDC 2 DISPLAY BOARD VOLTAGE IS 5 VDC 3 RELAY VOLTAGE FROM LOGIC BOARD IS 4 7 VDC 4 VOLTAGE OFF TRANSFORMER TO LOGIC BOARD 12VDC 5 COMPRESSOR RELAY TO GROUND 5VDC 6 FAN RELAYS APPROX 4 5 VDC FIGURE 708 ELECTRONIC CONTROL BOARD ...

Page 96: ...96 COMPONENTS TESTING TestingLineVoltage 208 230 265V AC FIGURE 709 LINE VOLTAGE ...

Page 97: ...setting Adjust the temperature control to a cooler or warmer setting as necessary The filter is dirty or obstructed Clean the filter See Recommended Mainte nance or remove obstruction The indoor coil or outdoor coil is dirty or obstructed Clean the coils See Recommended Mainte nance or remove obstruction The temperature of the room you are trying to cool is extremely hot Allow additional time too ...

Page 98: ...ct appliances in use in the room or if the room is heavily occupied the unit will need to run loner to remove the additional heat Be sure to use exhaust vent fans while cook ing or bathing and if possible try not to use heat producing appliances during the hottest part of the day It may also be due to an improperly sized unit Depending upon the size of the room being cooled a higher capacity air c...

Page 99: ... the temperature point 1 The wiring terminal between outdoor tube temperature sensor and controller is loosened or poorly contacted 2 There is a short circuit due to the trip over of the parts on controller 3 Outdoor tube sensor is damaged Refer to the resistance table for temperature sensor 20k ohms at 77 F 4 Main board is broken 4 low temperature prevention protection FP A C enters into pure ele...

Page 100: ...eater harness 6 A2 protection might also be triggered by intefer ence disconnect plug for a few minutes to reset and clear A2 protection 7 Compressor Over current protection E5 Over 17 amps through compressor for 3 seconds compressor and condenser fan will stop and indoor will operate 1 User need to reset unit by unplug and reconnect unit 2 Check for dirty condenser or open compressor 3 Check powe...

Page 101: ...ll return to operation Check thermistor resistance 20k ohms at 77 F 9 Evaporator Freeze Protection Cool ing Indoor coil temperature sensor detects 28º F or less for 1 minute consecutive Status light will blink 5 times pause for 3 seconds then repeat Compressor Outdoor fan shut down Indoor fan runs continuously When the indoor coil temperature sensor detects 40ºF or more for two consecutive minutes...

Page 102: ...ed or poorly contacted Insert the temperature sensor tightly yes Is malfunction eliminated Is there short circuit due to trip over of the parts Make the parts upright yes Is malfunction eliminated Replace the mainboard with the same model End no no Is the temperature sensor normal according to the Resistance Table no Replace it with a temperature sensor with the same model no yes yes Is malfunctio...

Page 103: ...he fan speed at high or medium Filter is blocked KHFN WKH OWHU WR VHH LW V EORFNHG OHDQ WKH OWHU Installation position for unit is improper Check whether the installation postion is proper according to installation requirement for air conditioner Adjust the installation position Refrigerant is leaking Discharged air temperature during cooling is higher than normal discharged wind temperature Disch...

Page 104: ...us Replace the main board with the same model Capacitor of compressor is damaged LVFKDUJH WKH FDSDFLWRU DW UVW DQG WKHQ XVH universal meter to measure the resistance of fan capacitor It displays 0 or very small 2 If the resistance is very big measure the voltage at both ends of capacitor If the voltage at both ends of capacitor is same with the power input voltage the fan capacitor is damaged Repl...

Page 105: ...together inside the unit There s abnormal sound fro the unit Remove foreign objects Adjust all parts position of unit tighten screws and stick damping plaster between connected parts Abnormal shake of compressor Outdoor unit gives out abnormal sound Adjust the support foot mat of compressor tighten the bolts Abnormal sound inside the compressor Abnormal sound inside the compressor If add too much ...

Page 106: ...IRING DIAGRAMS PDE07 Figure 801 Symbol Symbol Color Symbol Symbol Color Symbol Name WH White GN Green CAP Capacitor YE Yellow BN Brown COMP Compressor RD Red BU Blue Grounding wire YEGN Yellow Green BK Black ...

Page 107: ...igure 802 WIRING DIAGRAMS PDH07 Symbol Symbol Color Symbol Symbol Color Symbol Name WH White GN Green CAP Capacitor YE Yellow BN Brown COMP Compressor RD Red BU Blue Grounding wire YEGN Yellow Green BK Black ...

Page 108: ...803 WIRING DIAGRAMS PDE09 PDE12 PDE15 Symbol Symbol Color Symbol Symbol Color Symbol Name WH White GN Green CAP Capacitor YE Yellow BN Brown COMP Compressor RD Red BU Blue Grounding wire YEGN Yellow Green BK Black ...

Page 109: ...DIAGRAMS PDH09 PDH12 PDH15 Figure 804 Symbol Symbol Color Symbol Symbol Color Symbol Name WH White GN Green CAP Capacitor YE Yellow BN Brown COMP Compressor RD Red BU Blue Grounding wire YEGN Yellow Green BK Black ...

Page 110: ... example WCT12A30A Choose the part that corresponds with the USED ON MODEL annotation that corresponds to your nameplate In some cases there will be an additional letter indicating there has been a minor revision to that model which may have caused a part number change For example WCT12A30A B If there are minor revisions listed for a part and the minor revision that is listed on your equipment s n...

Page 111: ...E12K PDE12R PDE15K PDE15R Figure 901 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 25 24 26 27 32 33 34 35 37 38 39 40 41 42 45 47 50 51 52 54 55 56 49 58 59 60 62 61 64 63 66 65 68 67 70 69 72 71 74 73 44 43 53 48 31 30 29 28 36 46 57 ...

Page 112: ... Assy PDE07K3SG PDE07R3SG PDE09K3SG PDE09R3SG PDE12K3SG PDE12R3SG PDE15K5SG PDE15R5SG 1 10 68700178 Clapboard Sub Assy PDE07K3SG PDE07R3SG PDE09K3SG PDE09R3SG PDE12K3SG PDE12R3SG PDE15K5SG PDE15R5SG 1 11 69700371 Cable Clamp PDE07K3SG PDE07R3SG PDE09K3SG PDE09R3SG PDE12K3SG PDE12R3SG PDE15K5SG PDE15R5SG 2 12 69700370 Door Thread PDE07K3SG PDE07R3SG PDE09K3SG PDE09R3SG PDE12K3SG PDE12R3SG PDE15K5SG...

Page 113: ...E12K3SG PDE12R3SG PDE15K5SG PDE15R5SG 1 30 68700199 LCD Cover Sub assy PDE07K3SG PDE07R3SG PDE09K3SG PDE09R3SG PDE12K3SG PDE12R3SG PDE15K5SG PDE15R5SG 1 31 68700200 Membrane PDE07K3SG PDE07R3SG PDE09K3SG PDE09R3SG PDE12K3SG PDE12R3SG PDE15K5SG PDE15R5SG 1 32 68700201 Display Board PDE07K3SG PDE07R3SG PDE09K3SG PDE09R3SG PDE12K3SG PDE12R3SG PDE15K5SG PDE15R5SG 1 33 68700140 Filter PDE07K3SG PDE07R3...

Page 114: ...09R3SG 1 47 69700383 Fan Motor Indoor PDE12K3SG PDE15K5SG 1 47 69700385 Fan Motor Indoor PDE12R3SG PDE15R5SG 1 48 69700388 Clapboard PDE07K3SG PDE07R3SG PDE09K3SG PDE09R3SG PDE12K3SG PDE12R3SG PDE15K5SG PDE15R5SG 1 49 69700389 Compressor and Fittings PDE07K3SG 1 49 69700393 Compressor and Fittings PDE09K3SG 1 49 69700391 Compressor and Fittings PDE07R3SG 1 49 69700395 Compressor and Fittings PDE09...

Page 115: ...9R3SG PDE12K3SG PDE12R3SG PDE15K5SG 1 59 69700429 Chassis Sub assy PDE15R5SG 1 60 69700430 Foam Water Tray PDE07K3SG PDE07R3SG PDE09K3SG PDE09R3SG PDE12K3SG PDE12R3SG PDE15K5SG PDE15R5SG 1 61 69700431 Electric Box Assy PDE07K3SG 1 61 69700437 Electric Box Assy PDE09K3SG 1 61 69700434 Electric Box Assy PDE07R3SG 1 61 69700439 Electric Box Assy PDE09R3SG 1 61 69700432 Electric Box Assy PDE12K3SG PDE...

Page 116: ...5SG PDE15R5SG 2 70 68700157 Radiator PDE07K3SG PDE07R3SG PDE09K3SG PDE09R3SG PDE12K3SG PDE12R3SG PDE15K5SG PDE15R5SG 1 71 69700451 Fuse PDE07K3SG PDE09K3SG 1 71 69700452 Fuse PDE07R3SG PDE09R3SG PDE12K3SG PDE12R3SG PDE15K5SG PDE15R5SG 1 72 68700155 Wiring Terminal PDE07K3SG PDE07R3SG PDE09K3SG PDE09R3SG PDE12K3SG PDE12R3SG PDE15K5SG PDE15R5SG 1 73 68700154 Wiring Terminal PDE07K3SG PDE07R3SG PDE09...

Page 117: ... PDH12R PDH15K PDH15R Figure 902 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 25 24 26 27 32 33 34 35 37 40 38 39 41 42 47 50 51 52 54 55 56 57 49 58 59 60 61 62 63 65 64 67 66 69 68 71 70 73 72 7574 77 76 44 43 53 48 31 30 29 28 36 6 45 4 ...

Page 118: ...3SG 1 8 68700186 Flow Guide Loop PDH12R3SG PDH15R5SG 1 8 68700187 Flow Guide Loop PDH12K3SG 1 8 68700211 Flow Guide Loop PDH15K5SG 1 9 68700177 Top Cover Sub Assy PDH07K3SG PDH07R3SG PDH09K3SG PDH09R3SG PDH12K3SG PDH12R3SG PDH15K5SG PDH15R5SG 1 10 68700178 Clapboard Sub Assy PDH07K3SG PDH07R3SG PDH09K3SG PDH09R3SG PDH12K3SG PDH12R3SG PDH15K5SG PDH15R5SG 1 11 69700371 Cable Clamp PDH07K3SG PDH07R3S...

Page 119: ...SG PDH09R3SG PDH12K3SG PDH12R3SG PDH15K5SG PDH15R5SG 1 28 68700128 Front Panel Clip PDH07K3SG PDH07R3SG PDH09K3SG PDH09R3SG PDH12K3SG PDH12R3SG PDH15K5SG PDH15R5SG 2 29 69700402 Filter Sub Assy PDH07K3SG PDH07R3SG PDH09K3SG PDH09R3SG PDH12K3SG PDH12R3SG PDH15K5SG PDH15R5SG 1 30 68700199 LCD Cover Sub assy PDH07K3SG PDH07R3SG PDH09K3SG PDH09R3SG PDH12K3SG PDH12R3SG PDH15K5SG PDH15R5SG 1 31 68700200...

Page 120: ...ser PDH07K3SG PDH07R3SG PDH09K3SG PDH09R3SG PDH12K3SG PDH12R3SG PDH15K5SG PDH15R5SG 1 47 69700382 Fan Motor Indoor PDH07K3SG 1 47 69700384 Fan Motor Indoor PDH07R3SG 1 47 69700386 Fan Motor Indoor PDH09K3SG 1 47 69700387 Fan Motor Indoor PDH09R3SG 1 47 69700383 Fan Motor Indoor PDH12K3SG PDH15K5SG 1 47 69700385 Fan Motor Indoor PDH12R3SG PDH15R5SG 1 48 69700388 Clapboard PDH07K3SG PDH07R3SG PDH09K...

Page 121: ...and Fittings PDH12K3SG 1 60 69700394 Compressor and Fittings PDH15K5SG 1 60 69700392 Compressor and Fittings PDH12R3SG 1 60 69700396 Compressor and Fittings PDH15R5SG 1 61 69700427 Drainage Valve PDH07K3SG PDH07R3SG PDH09K3SG PDH09R3SG PDH12K3SG PDH12R3SG PDH15K5SG PDH15R5SG 1 62 69700428 Chassis Sub assy PDH07K3SG PDH07R3SG PDH09K3SG PDH09R3SG PDH12K3SG PDH12R3SG PDH15K5SG 1 62 69700429 Chassis S...

Page 122: ...B61 PDH09K3SG PDH09R3SG 1 71 69700443 Capacitor CBB61 PDH12R3SG PDH15R5SG 1 72 68700156 Terminal Board PDH07K3SG PDH07R3SG PDH09K3SG PDH09R3SG PDH12K3SG PDH12R3SG PDH15K5SG PDH15R5SG 2 73 68700157 Radiator PDH07K3SG PDH07R3SG PDH09K3SG PDH09R3SG PDH12K3SG PDH12R3SG PDH15K5SG PDH15R5SG 1 74 69700428 Chassis Sub assy PDH07K3SG PDH07R3SG PDH09K3SG PDH09R3SG PDH12K3SG PDH12R3SG PDH15K5SG PDH15R5SG 1 7...

Page 123: ... support for walls less than six inches thick Includes leveling legs side filler panels and mounting brackets for electri cal accessories Accepts circuit breaker power disconnect switch or conduit kit ELECTRICAL SUBBASE Provides unit support for walls less than six inches thick Includes leveling legs side filler panels mounting brackets a plug in recep tacle and field wiring access The subbase als...

Page 124: ...l draining Recommended on all units to remove excess condensate Packaged in quantities of ten RT7 DIGITAL REMOTE WALL THERMOSTAT Single stage cool single stage heat for PDE models or single stage cool dual stage heat for PDH model thermostat features high low fan speed switch Thermostat is hard wired and can be battery powered or unit powered Features backlit display and multiple configuration mod...

Page 125: ...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 Appendix Appendix 1 Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree Tf Tcx1 8 32 Set temperature Ambient temperature Fahrenheit display t...

Page 126: ...8 0 737 23 63 46 93 2 10 2 163 4 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 49 02 102 2 8 297 172 4 1 997 242 6 0 625 33 8 46 6 104 7 967 174 2 1 933 244 4 0 608 35 6 44 31 105 8 7 653 176 1 871 246 2 0 592 37 4 42 14 107 6 7 352 177 8 1 811 248...

Page 127: ...13 59 163 4 3 144 233 6 0 956 24 8 80 31 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 0 833 33 8 62 13 104 10 62 174 2 2 577 244 4 0 811 35 6 59 08 105 8 10 2 176 2 495 246 2 0 77 37 4 56 19 107 6 9 803 177 8 2 415 248 0 769 39 2 53 46 109 4 9 4...

Page 128: ...5 2 51 41 145 4 10 93 215 6 3 129 6 8 342 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 9 165 224 6 2 715 15 8 259 3 86 39 61 156 2 8 854 226 4 2 64 17 6 245 6 87 8 37 96 158 8 555 228 2 2 568 19 4 232 6 89 6 36 38 159 8 8 268 230 2 498 21 2 220 5 91 4 34...

Page 129: ...lish the date of install otherwise the beginning date of this certificate will be considered to be our shipment date plus sixty days Replacement parts can be new or remanufactured Replacement parts and labor are only warranted for any unused portion of the unit s warranty We will not be responsible for and the user will pay for 1 Service calls to A Instruct on unit operation B Replace house fuses ...

Page 130: ...This information is used to identify product failure trends initiate corrective action and improve product quality thereby further reducing 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 Alamo Service Company 1450 North Flores Street San Antonio Tex...

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