Daikin DAR09 Service Instructions Manual
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Daikin DAR09 Service Instructions Manual

Condensing units, split system heat pumps with r-410a refrigerant blowers, coils, & accessories
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SERVICE INSTRUCTIONS
DAR09, DAR12, DAT09, DAT12, DX11, DX13, DX14, DX15, DX16
Condensing Units,
DZ11, DZ13, DZ14, DZ16 Split System Heat Pumps
with R-410A Refrigerant
Blowers, Coils, & Accessories
This manual is to be used by qualified, professionally trained
HVAC technicians only. Daikin does not assume any responsi-
bility for property damage or personal injury due to improper
RSD6200006r45
service procedures or services performed by an unqualified
December 2019
person.
Copyright © 2013-2019 Daikin Manufacturing Company, L.P.
1

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  • Page 1 SERVICE INSTRUCTIONS DAR09, DAR12, DAT09, DAT12, DX11, DX13, DX14, DX15, DX16 Condensing Units, DZ11, DZ13, DZ14, DZ16 Split System Heat Pumps with R-410A Refrigerant Blowers, Coils, & Accessories This manual is to be used by qualified, professionally trained HVAC technicians only. Daikin does not assume any responsi-...

  • Page 2: Table Of Contents

    To locate an authorized servicer, please consult your telephone book or the dealer from whom you purchased this product. For fur- ther assistance, please contact: CONSUMER INFORMATION LINE- DAIKIN BRAND PRODUCTS TOLL FREE 1-855-770-5678 (U.S. only) email us at: customerservice@daikincomfort.com fax us at: (713) 856-1821 (Not a technical assistance line for dealers.)
  • Page 3 IMPORTANT INFORMATION SAFE REFRIGERANT HANDLING While these items will not cover every conceivable situation, they should serve as a useful guide. WARNING WARNING O AVOID POSSIBLE EXPLOSION: EFRIGERANTS ARE HEAVIER THAN AIR. HEY CAN "PUSH OUT" THE • EVER APPLY FLAME OR STEAM TO A REFRIGERANT CYLINDER. F YOU OXYGEN IN YOUR LUNGS OR IN ANY ENCLOSED SPACE.

  • Page 4: Product Identification

    PRODUCT IDENTIFICATION COILS Product Category C - Indoor Coil Engineering Major/Minor Revision i r f l a t t i s Cabinet Finish U - Uncased Nominal Width for Gas Furnace " 4 " 5 C - 21" Width " 5 plicable (Slab Coil) T - TXV 14 - 14"...
  • Page 5 COILS PRODUCT IDENTIFICATION C A P F 1824 A 6 AA 5,6,7,8 11,12 Brand Engineering* Indoor Coil Major/Minor Revisions Refrigerant Charge Unit Application 2 = R-22 A Upflow/Downflow Coil 4 = R-410A H Horizontal A-Coil 6 = R-410A or R-22 Horizontal Slab Coil Coated Coils Nominal Width for Gas Furnace...

  • Page 6: Air Handlers

    PRODUCT IDENTIFICATION AIR HANDLERS A W U F 3642 1 6 AA 5,6,7,8 11,12 Brand Engineering* A Airhandler Major/Minor Revisions Unit Application Refrigerant Charge Ceiling Mount PSC Motor 4 = R-410a D Downflow PSC Motor Multi Position Electrical Variable Speed 1 208/240V, 1 Phase, 60 Hz Motor Multi Position PSC Motor...
  • Page 7 AIR HANDLERS PRODUCT IDENTIFICATION A R U F 18 B 1 4 AA 10,11 Brand Engineering* A Single-Piece Major/Minor Revisions Airhandler Unit Application Refrigerant Charge Ceiling Mount PSC Motor 4 = R-410a Multi Position PSC Motor Multi Position EEM Motor Electrical W Wall Mount PSC/EEM Motor 1 208/240V, 1 Phase, 60 Hz...

  • Page 8: Models

    PRODUCT IDENTIFICATION MODELS D X 13 S A 024 1 AA 7,8,9 11,12 Brand Engineering D - Daikin Major/Minor Revisions Type Voltage AC R-410A 1 - 208/230V Single-Phase 60 Hz HP R-410A 2 - 220/240V Single-Phase 50 Hz 3 - 208/230V Three-Phase 60 Hz...
  • Page 9 MODELS PRODUCT IDENTIFICATION D A R 090 4 AA 4,5,6 Brand Engineering D - Daikin Major/Minor Revisions Type Refrigerant Charge Single Piece 4 = R-410A Air Handler Unit Application Multi Position, Single Speed Belt Drive Motor Nominal Capacity 090 7-1/2 Tons...

  • Page 10: Tables

    DX13SA Daikin® BRAND X-R410A 13 SEER SINGLE STAGE A-BASE UNIT CONDENSERS Model/Rev Description Introduction of Daikin 1.5 ton 13 SEER R-410A Condensers conversion to 23" chassis for DX13SA0[18-60]1AA the 1.5 - 3 ton models. DX13SA0[18-61]1AB One hairpin removed (one hole at the top of the coil and one hole at the bottom of the coil DX13SA0[36, 48, 60]3AB will remain open).
  • Page 11 Daikin® BRAND X-R410A 13 SEER SINGLE STAGE NOMINAL CONDENSERS Model/Rev Description Introduction of Daikin 1.5 ton 13 SEER R-410A Condensers conversion to 23" chassis for DX13SN0[18-36]1AA the 1.5 - 3 ton models. Changed from current four piece louver assembly to a two-piece louver plus a corner post DX13SN0[42-60]1 on 26"...
  • Page 12 DX14SA* DX14SA Daikin® BRAND X-R410A 14 SEER SINGLE STAGE A-BASE UNIT CONDENSERS Model/Rev Description Initial release new models of Daikin® Brand 14 SEER standard condenser 5mm DX14SA0[18-60]1AA architecture with updated scroll compressors. DX14SA0[18-60]AB Low pressure switch added to models. DX14SA0241AB Replaced 1/12 hp fan motor with 1/8 hp fan motor.
  • Page 13 DX14SN Daikin® BRAND X-R410A 14 SEER SINGLE STAGE NOMINAL CONDENSERS Model/Rev Description Initial release new models of Daikin® Brand 14 SEER standard condenser 5mm DX14SN0[18-60]1AA architecture with updated scroll compressors. DX14SN0241AB Replaced 1/12 hp fan motor with 1/8 hp fan motor.
  • Page 14 PRODUCT IDENTIFICATION DX16SA DX16SA Model/Rev Description DX16SA0[18-60]1AA Initial release of models with coil and TVX. DX16SA0611AA Initial release of models with coil and TVX. New High Capacity 5 ton models. DX16SA(48/60)1AB Ball valve change from 0151R00046 to 0151R00081 DX16SA0311AA Initial release creates and launches 2 new SKUs in the 16 SEER single-stage AC product DX16SA0371AA line.
  • Page 15 Replaced Ranco reversing valve 0151M00020 with SanHua 0151R00070 reversing valve. DZ13SA0484AB DZ13SA0[36,42]1AC Change from copper wound motor to aluminum wound motor Switching current Daikin units with vertical louvers to be consistent with other units having DZ13SA0[603,604]AC horizontal louvers. DZ13SA0484AC Replacing Motor 0131M00022 (Regal) to 0131M00783 (Nidec) where ever used.
  • Page 16 PRODUCT IDENTIFICATION DZ14[SA/SN] DZ14SA Daikin® BRAND Z-R410A HEAT PUMPS 14 SEER SINGLE STAGE A-BASE UNIT CONDENSERS Model/Rev Description Initial release of models using single speed PSC motors. No low ambient temperature DZ14SA0[18-60]1AA switch. Initial release of outdoor model conversion to 35” base with standard flowrator and No DZ14SA0381AA TXV.
  • Page 17 Daikin® BRAND Z-R410A HEAT PUMP 16 SEER SPECIAL HIGH FEATURE A-BASE UNITS Model/Rev Description DZ16SA0[24-60]1AA Initial release Daikin® Brand 16 SEER standard heat pumps with special high features. Changed from current four piece louver assembly to a two-piece louver plus a corner post DZ16SA0[24-60]1 on 26" and 29" chassis.
  • Page 18 PRODUCT IDENTIFICATION AIRHANDLERS ARUF A-SINGLE PIECE AIR HANDLER R-MULTI-POSITION PSC MOTOR UNPAINTED FLOWRATOR Model/Rev Description Introduction of new Air Handler Models with all aluminum evaporator coils. Conversion ARUF172916AA includes coils, manifold, hairpin, flowrators, 3/8" return bend to 5/16" aluminum return A24-00-2RCA bends.
  • Page 19 AIRHANDLERS PRODUCT IDENTIFICATION ARPT A SINGLE PIECE AIR HANDLER R-MULTI-POSITION PSC MOTOR PAINTED FLOWRATOR WITH TXV Model/Rev Description Initial release of redesigned aluminum air handlers manufactured at the Houston furnace ARPT***14AB facility. Changed the RBs, COs, and coil slabs to 9mm braze joints. ARPT[18-36]B14AC Initial release of model to meet AHRI requirements.
  • Page 20 PRODUCT IDENTIFICATION AIRHANDLERS ASUF A- SINGLE PIECE AIR HANDLER S- ENERGY EFFICIENT MOTOR U NPAINT ED F LOWRATOR ASUF29B14AA Initial release of models in the mid-range efficiency air handler. Incorporates smart frame ASUF39C14AA chassis with EEM (X-13) style motors and piston type flowrators. ASUF49C14AA Initial release of mid-range efficiency air handler with X-13 motor &...
  • Page 21 AIRHANDLERS PRODUCT IDENTIFICATION AWUF 13 SEER A SINGLE PIECE AIR HANDLER WALL MOUNT PSC MOTOR UNPAINTED FLOWRATOR Model/Rev Description AWUF****1AA Initial release of 13 SEER Dayton wall mount air handlers. Initial release 13 SEER Dayton wall mount air handlers suitable for use with R-22 and R- AWUF****16AA 410A refrigerant.
  • Page 22 PRODUCT IDENTIFICATION AIRHANDLERS AWUF 13 SEER A SINGLE PIECE AIR HANDLER W ALL M OUNT PSC M OTOR U NPAINTED F LOWRATOR AWUF180[316,516,816]BC AWUF190[316,516,816]AB AWUF240[316,516,816]BC AWUF241016BC AWUF250[316,516,816]AB AWUF251016AB Release gasket and caps to seal leak. With this modification we will able to meet 2% at 1 AWUF300[516,816]BD inch static leak and 1.4% leak rate at 0.5 inch static.
  • Page 23 COILS PRODUCT IDENTIFICATION CAUF C-INDOOR COIL A-UPFLOW/DOWNFLOW UNCASED FLOWRATOR Model/Rev Description CAUF*****6AA Initial release of CAUF Dayton Upflow/Downflow coils. CAUF*****6BAB Burr Oak Louvered Fin released in place of the Wavy Fin. CAUF****6*DA Replaced existing copper coils and other associated parts with aluminum components. CAUF*****6DB Drain pan material changed.
  • Page 24 PRODUCT IDENTIFICATION COILS CAPF C-INDOOR COIL A-UPFLOW/DOWNFLOW PAINTED FLOWRATOR Model/Rev Description CAPF*****6AA Initial release of CAPF Dayton Upflow/Downflow coils CAPF*****6BA Burr Oak Louvered Fin released in place of the Wavy Fin CAPF36***CA Redesigned for performance improvement from 2 row to 3 row CAPF*****6DA Replaced existing copper coils and other associated parts with aluminum components CAPF*****6DB...
  • Page 25 COILS PRODUCT IDENTIFICATION CHPF C-INDOOR COIL HORIZONTAL A-COIL PAINTED FLOWRATOR Model/Rev Description CHPF*****6AA Intial release of 13 SEER CHPF horizontal A coil. Released Burr Oak Louvered Fin in place of the Wavy Fin. The rows changed by one, (i.e. CHPF*****6BA 4 row to 3 row;...
  • Page 26 Replacing Motor 0131M00041 (Regal) to 0131M00787 (Nidec) where ever used. DX11SA[0903,1203]AC Export models DX11SA[0904,1204]AC Export models DZ11SA Daikin® BRAND Z-HEAT PUMP R410A 11 EER SINGLE STAGE LT COMMERCIAL A-BASE UNIT Model/Rev Description DZ11SA090[3/4] Initial release of Daikin® Light Commercial 11 EER, R-410A Heat Pumps. DZ11SA[0903,1203]AB Replacing Motor 0131M00040 (Regal) to 0131M00786 (Nidec) where ever used.
  • Page 27 Evaporator coil update to7.5 & 10. ton commercial air handlers. DAR1204AB DAR0904AC Export models DAR1204AC Daikin® BRAND A SINGLE PIECE AIR HANDLER MULTI-POSITION PSC MOTOR W/TXV Model/Rev Description DAT09043AA DAT09044AA Initial release of two-speed 7.5 & 10 ton air handlers, for use with two condenser units, DAT12043AA DX13 or DZ13, 3-phase only, 230v and 460v.

  • Page 28: Accessories

    ACCESSORIES LIGHT COMMERCIAL DX11SA/DX11TA Model DescriptionG SX110903 GSX110904G SX111203 GSX111204 Freeze Protection Kit FSK01A* Anti Short Cycle Kit ASC01 LAKT-01 Low Ambient Kit Liquid Line Solenoid Kit LSK03* DZ11SA/DZ11TA Model DescriptionG SZ110903 GSZ110904G SZ111203 GSZ111204 Freeze Protection Kit FSK01A* ASC01 Anti Short Cycle Kit OT-EHR18-60 Emergency Heat Relay Kit...
  • Page 29 ACCESSORIES DX13SA DX13SA DX13SA DX13SA DX13SA DX13SA DX13SA DX13SA Model Description 018* 024* 030* 036* 042* 048* 060*/061* Anchor Bracket Kit ABK-20 ASC01 Anti-Short Cycle Kit CSR-U-1 Hard-start Kit CSR-U-2 Hard-start Kit CSR-U-3 Hard-start Kit Freeze Protection Kit FSK01A LSK02* Liquid Line Solenoid Kit TX2N4A³...
  • Page 30 ACCESSORIES DX14SA DX14SA DX14SA DX14SA DX14SA DX14SA DX14SA DX14SA Model Description Anchor Bracket Kit ABK-20 ASC01 Anti-Short Cycle Kit CSR-U-1 Hard-start Kit CSR-U-2 Hard-start Kit CSR-U-3 Hard-start Kit Freeze Protection Kit FSK01A LSK02* Liquid Line Solenoid Kit TX2N4A TXV Kit TXV Kit TX3N4 TXV Kit...
  • Page 31 ACCESSORIES DZ13SA DZ13SA DZ13SA DZ13SA DZ13SA DZ13SA DZ13SA DZ13SA Model Description AFE18-60A All-Fuel Kit ASC01 Anti-Short Cycle Kit Hard-start Kit CSR-U-1 Hard-start Kit CSR-U-2 Hard-start Kit CSR-U-3 Freeze Protection Kit FSK01A LSK02* Liquid Line Solenoid Kit OT/EHR18-60 Emergency Heat Relay kit Outdoor Thermostat w/Lockout Stat OT18-60A TXV Kit...
  • Page 32 ACCESSORIES DZ14SA DZ14SA DZ14SA DZ14SA DZ14SA DZ14SA DZ14SA DZ14SA Model Description 018* 024* 030* 036* 042* 048* 060* AFE18-60A All-Fuel Kit CSR-U-1 Hard-start Kit CSR-U-2 Hard-start Kit CSR-U-3 Hard-start Kit Freeze Protection Kit FSK01A LSK02* Liquid Line Solenoid Kit Outdoor Thermostat OT18-60A OT/EHR18-60 Emergency Heat Relat Kit TX2N4A³...
  • Page 33 ACCESSORIES EXPANSION VALVE KITS 1/4 FLARE CONNECTION For Applications requiring BULB TO BE LOCATED AT 10 OR 2 O'CLOCK a field installed access fitting BULB SUCTION LINE EVAPORATOR COIL TAILPIECE PISTON SEAL DISTRIBUTOR SEAL SUPPLIED W/ KIT BODY SEAL SUPPLIED W/ KIT 3/8"- EXPANSION VALVE SWEAT...
  • Page 34 ACCESSORIES FSK01A Freeze Thermostat Wire Nut Wire Nut Install Line Install Line Thermostat Thermostat Here Here Wire Nut Wire Nut ASC01 A Not for use with ANTI-SHORT -CYCLE CONTROL KIT ComfortNet System SHORT CYCLE PROTECTOR YELLOW 1 CONTACTOR T2 T1 BLACK 1 THERMOSTAT L2 L1...
  • Page 35 ACCESSORIES COIL ACCESSORIES TX2N4A TX3N4 TX5N4 FSK01A FREEZE COIL MODEL TXV KIT TXV KIT TXV KIT PROTECTION KIT CA*F18246* CA*F30306* CA*F31316* CA*F36366* CA*F36426* CA*F37436* CA*F48606* CA*F49616* CHPF18246* CHPF24306* CHPF36366* CHPF36426* CHPF37436* CHPF48606* CSCF1824N6* CSCF3036N6* CSCF3642N6* CSCF4860N6* CAPT3743C4 CAPT3743D4 CAPT3131B4 CAPT3131C4 CAPT4961C4 CAPT4961D4 DRAIN PAN INSULATION KITS - ARUF**14**, ARPT**14**, ASPT**14** &...
  • Page 36 ACCESSORIES ARPT**14** HEAT KIT APPLICATIONS ARPT TYPE / MODEL 18B14-A* 24B14-A* 30B14-A* 36C14-A* 36D14-A* 42D14-A* 48D14-A* 60D14-A* HKSX03XC*X HKSX05XC*X HKSX06XC*X HKSX08XC*X HKSX10XC*X HKSC05XC*X HKSC08XC*X HKSC10XC*X HKSC25DC* Refer to the minimum airflo w requirements for each of the heat kits . * Revisio n level that may or may no t be designated...
  • Page 37 ACCESSORIES ARUF**14** HEAT KIT APPLICATIONS ARUF TYPE / MODEL 18B14-A* 24B14-B* 24B14-C* 30B14-A* 30C14-B* 36C14-B* 42C14-A* 48D14-A* 60D14-A* HKSX03XC* HKSX05XC* HKSX06XC* HKSX08XC* HKSX10XC* HKSX15XF* HKSX20XF* HKSC05XC* HKSC08XC* HKSC10XC* HKSC15XA* HKSC15XB* HKSC15XF* HKSC19CA* HKSC19CB* HKSC20DA* HKSC20DB* HKSC20XF* HKSC25DC* * Revision level that may or may not be designated Refer to the minimum airflow requirements for each of the heat kits.
  • Page 38 ACCESSORIES ARUF/ARPT HEATER *ARUF HEATER (kW) ARPT 1170 1170 1170 1170 1345 1345 1170 1170 1170 1170 1345 1345 1170 1170 1170 1170 1345 1345 1590 1590 1590 1590 1715 1715 1715 1590 1590 1590 1590 1715 1715 1715 Minimum CFM required for Heater Kits...
  • Page 39 ACCESSORIES ARUF & ASPT HEATER KIT (KW) MODEL ARUF25B14 ARUF29B14 ARUF31B14 ARUF37C14 1170 1170 1170 1170 1345 1345 ARUF43C14 1170 1170 1170 1170 1345 1345 ARUF49C14 1170 1170 1170 1170 1340 1430 ARUF37D14 1170 1170 1170 1170 1345 1345 ARUF43D14 1170 1170 1170...
  • Page 40 ACCESSORIES ASUF**14** ASUF HEAT KIT APPLICATIONS TYPE / MODEL 29B14-A* 39C14-A* 49C14-A* 59D14-A* HKSX03XC* HKSX05XC* HKSX06XC* HKSX08XC* HKSX10XC* HKSX15XF* HKSX20XF* HKSC05XC* HKSC08XC* HKSC10XC* HKSC15XA* HKSC15XB* HKSC15XF* HKSC19CA* HKSC19CB* HKSC20DA* HKSC20DB* HKSC20XF* HKSC25DC* * Revision level that may or may not be designated. Refer to the minimum airflow requirements for each of the heat kits.
  • Page 41 ACCESSORIES ASPT**14** HEAT KIT ASPT APPLICATIONS TYPE / MODEL 24B14-A* 30C14-A* 36C14-A* 42C14-A* 48C14-A* 42D14-A* 48D14-A* 60D14-A* HKSX03XC* HKSX05XC* HKSX06XC* HKSX08XC* HKSX10XC* HKSX15XF* HKSC20XF* HKSC05XC* HKSC08XC* HKSC10XC* HKSC15XA* HKSC15XB* HKSC15XF* HKSC19CA* HKSC19CB* HKSC20DA* HKSC20DB* HKSC20XF* HKSC25DC* * Revision level that may or may not be designated. Refer to the minimum airflow requirements for each of the heat kits.
  • Page 42 ACCESSORIES ASPT HEATER HEATER (KW) ASPT24B14* ASPT30C14* ASPT36C14* 1170 1170 1170 1170 1345 1345 1345 ASPT42C14* 1170 1170 1170 1170 1345 1345 1345 ASPT48C14* 1170 1170 1170 1170 1345 1345 1345 ASPT42D14* 1590 1590 1590 1590 1715 1715 ASPT48D14* 1590 1590 1590 1590 1715 1715 1715 ASPT60D14* 1590 1590 1590 1590 1715...

  • Page 43: Product Design

    PRODUCT DESIGN This section gives a basic description of cooling unit operation, The MBR blower cabinet uses a PSC motor. It is approved for its various components and their basic operation. Ensure your applications with cooling coils of up to 0.5 inches W.C. external system is properly sized for heat gain and loss according to static pressure.
  • Page 44 PRODUCT DESIGN • Compliant scroll compressors perform “quiet” shutdowns that allow the compressor to restart immediately without the need for a time delay. This compressor will restart even if the system has not equalized. NOTE: Operating pressures and amp draws may differ from standard reciprocating compressors.

  • Page 45: System Operation

    SYSTEM OPERATION COOLING The check valve at the indoor coil will open by the flow of refrigerant letting the now condensed liquid refrigerant bypass The refrigerant used in the system is R-410A. It is a clear, color- the indoor expansion device. The check valve at the outdoor coil less, non-toxic and non-irritating liquid.
  • Page 46 SYSTEM OPERATION DEFROST CYCLE - LEGACY MODELS These models have a 24 volt reversing valve coil. When the thermostat selector switch is set in the cooling position, the “O” The defrosting of the outdoor coil is jointly controlled by the terminal on the thermostat is energized all the time.
  • Page 47 SYSTEM OPERATION COOLING CYCLE Reversing Valve (Energized) Indoor Outdoor Coil Coil Accumulator Thermostatic Expansion Valve Bi-Flow Filter Dryer Check Valve HEATING CYCLE Reversing Valve (De-Energized) Indoor Outdoor Coil Coil Accumulator Thermostatic Expansion Valve Bi-Flow Filter Dryer Check Valve...
  • Page 48 EXPANSION VALVE/CHECK VALVE ASSEMBLY IN COOLING OPERATION HEATING OPERATION Most expansion valves used in current Daikin Heat Pump products use an internally checked expansion valve. This type of expansion valve does not require an external check valve as shown above.
  • Page 49 SYSTEM OPERATION AFE18-60A Control Board stage “Y” heat demand. On some controls, if the outdoor ther- mostat fails closed in this position during the heating season, Description it will turn on the furnace during the cooling season on a “Y” cooling demand.

  • Page 50: Troubleshooting Chart

    TROUBLESHOOTING CHART COOLING/HP ANALYSIS CHART System Unsatisfactory Com plaint No Cooling Operating Cooling/Heating Pressures POSSIBLE CAUSE Test Method DOTS IN ANALYSIS Remedy GUIDE INDICATE "POSSIBLE CAUSE" • Pow er Failure Test Voltage • • • Blow n Fuse Inspect Fuse Size & Type •...

  • Page 51: Servicing Table Of Contents

    SERVICING TABLE OF CONTENTS CHECKING WIRING............52 S-25 TESTING DEFROST THERMOSTAT........66 S-3A THERMOSTAT AND WIRING..........52 S-50 CHECKING HEATER LIMIT CONTROL(S)......66 CHECKING TRANSFORMER AND CONTROL CIRCUIT..53 S-52 CHECKING HEATER ELEMENTS........66 CHECKING CONTACTOR AND/OR RELAYS.....53 S-60 ELECTRIC HEATER (OPTIONAL ITEM)......67 CHECKING CONTACTOR CONTACTS......53 S-61A CHECKING HEATER LIMIT CONTROL(S)......67 CHECKING FAN RELAY CONTACTS.........54...

  • Page 52: Checking Wiring

    SERVICING CHECKING VOLTAGE CHECKING WIRING 1. Remove outer case, control panel cover, etc., from unit being tested. With power ON: HIGH VOLTAGE! WARNING Disconnect ALL power before servicing or installing. Multiple power sources Line Voltage now present. may be present. Failure to do so may cause property damage, personal injury or death.

  • Page 53: Checking Transformer And Control Circuit

    SERVICING NOTE: Consideration must be given to how the heaters are energized, the coil pulls in the normally open contacts or opens wired (O.D.T. and etc.). Also safety devices must be checked for the normally closed contacts. When the coil is de-energized, continuity springs return the contacts to their normal position.

  • Page 54: Checking Fan Relay Contacts

    SERVICING Checking Relay Contacts - PSC Fan Motor HIGH VOLTAGE! VOLT/OHM Disconnect ALL power before servicing METER or installing. Multiple power sources may be present. Failure to do so may cause property damage, personal injury Ohmmeter for testing holding coil or death.

  • Page 55: Checking Loss Of Charge Protector

    SERVICING assembly that provides power to the first heater element. When 3. Start the system and place a piece of cardboard in front of “W1” is energized, the sequencer will close it’s contacts within the condenser coil, raising the condensing pressure. 10 to 20 seconds to supply power to the first heater element 4.
  • Page 56 SERVICING The CoreSense™ module is self-contained with no required external sensors and works with any residential condensing unit that has a Copeland Scroll™ compressor inside. Once attached, CoreSense™ provides around-the-clock mon- itoring for common electrical problems, compressor defects and broad system faults. If a glitch is detected, an LED indicator flashes the proper alert codes to help you quickly pinpoint the problem.
  • Page 57 SERVICING DIAGNOSTICS TABLE: CORESENSE™ MODULE Flash code number corresponds to the number of led flashes, followed by a pause and then repeated. TRIP and ALERT LEDs flashing at the same time mean control circuit voltage is too low for operation.
  • Page 58 SERVICING DIAGNOSTICS TABLE: CORESENSE™ MODULE Flash code number corresponds to the number of led flashes, followed by a pause and then repeated. TRIP and ALERT LEDs flashing at the same time mean control circuit voltage is too low for operation.
  • Page 59 SERVICING Table 1 - Quick Reference Table...

  • Page 60: Checking Capacitor

    SERVICING S-15A RESISTANCE CHECK USING A DIGITAL MULTI-METER HIGH VOLTAGE! Disconnect ALL power before servicing or installing. Multiple power sources may be present. Failure to do so may cause property damage, personal injury or death. Check for Digital Test 1. Set the meter on Ohm range (Set it at lease 1000 Ohm =1k). S-15 CHECKING CAPACITOR WARNING...

  • Page 61: S-16B Capacitance Check Using A Digital Multi-Meter (In Capacitance Mode)

    SERVICING S-16A CHECKING HIGH EFFICIENCY MOTORS B. Shorted - indicator swings to zero and stops there - replace. The motor is a one piece, fully encapsulated, 3 phase brushless C. Open - no reading - replace. (Start capacitor would read DC (single phase AC input) motor with ball bearing construction.
  • Page 62 SERVICING 6. Install cardboard or rug over coil to protect fins from dam- age. 7. Remove the three 3/8” screws holding the blower in place. 5. Loosen or remove set screw on blower wheel hub and en- 8. Lower blower onto coil. sure the wheel slides freely on the shaft of the motor.

  • Page 63: S-16C Mbr/Ar*F Electronic Blower Time Delay Relay

    SERVICING Remove the bolts holding the motor bracket to the Two additional terminals, M1 and M2, are on the EBTDR board. blower and slide out of blower shell. These terminals are used to connect the unused leads from the blower motor and have no affect on the board’s operation. s-17 CHECKING COMPRESSOR WARNING...

  • Page 64: S-17B Ground Test

    SERVICING 3. If a ground is indicated, then carefully remove the compres- sor terminal protective cover and inspect for loose leads or HIGH VOLTAGE! insulation breaks in the lead wires. Disconnect ALL power before servicing 4. If no visual problems indicated, carefully remove the leads at or installing.

  • Page 65: S-18D Operation Test

    SERVICING 1. Operate the system and measure compressor current. Cycle WARNING the unloader ON and OFF at 10 second intervals. The com- Line Voltage now present. pressor amperage should go up or down at least 25 percent. 2. If step one does not give the expected results, shut unit off. Apply 18 to 28 volt ac to the unloader molded plug leads and a.

  • Page 66: Checking Reversing Valve And Solenoid

    SERVICING NOTE: Remove jumper across defrost thermostat before return- WARNING ing system to service. Disconnect ALL power before servicing. S-25 TESTING DEFROST THERMOSTAT 1. Disconnect the heater lead in wires. 1. Install a thermocouple type temperature test lead on the 2.

  • Page 67: Electric Heater (Optional Item)

    SERVICING TEMPERATURE RISE (°F) @ 240V HIGH VOLTAGE! 14.4 19.2 24.0 28.8 Disconnect ALL power before servicing or installing. Multiple power sources may be present. Failure to do so may cause property damage, personal injury or death. 1. Disassemble and remove the heating element(s). 1000 1100 2.

  • Page 68: S-61B Checking Heater Fuse Link

    SERVICING S-100 REFRIGERATION REPAIR PRACTICE HIGH VOLTAGE! DANGER Disconnect ALL power before servicing Always remove the refrigerant charge in a proper or installing. Multiple power sources manner before applying heat to the system. may be present. Failure to do so may cause property damage, personal injury or death.

  • Page 69: Leak Testing (Nitrogen Or Nitrogen-Traced)

    SERVICING S-101 LEAK TESTING (NITROGEN OR S-102 EVACUATION NITROGEN-TRACED) WARNING WARNING REFRIGERANT UNDER PRESSURE! Failure to follow proper procedures may cause To avoid the risk of fire or explosion, never use property damage, personal injury or death. oxygen, high pressure air or flammable gases for leak testing of a refrigeration system.

  • Page 70: Charging

    If a vertical installation cannot be avoided, the bulb must be mounted so that the capillary tubing comes out at the top. THE VALVES PROVIDED BY DAIKIN ARE DESIGNED TO MEET THE SPECIFICATION REQUIREMENTS FOR OPTIMUM PRODUCT OPERATION. DO NOT USE SUBSTITUTES.

  • Page 71: Overfeeding

    SERVICING S-106 OVERFEEDING 3. Refer to the superheat table provided for proper system superheat. Add charge to lower superheat or recover charge Overfeeding by the expansion valve results in high suction to raise superheat. pressure, cold suction line, and possible liquid slugging of the compressor.

  • Page 72: Checking Subcooling

    SERVICING 4. Disconnect manifold set. Installation is complete. NOTE: An optional method is to locate the thermometer at the suction line service valve. Ensure the thermometer S-109 CHECKING SUBCOOLING makes adequate contact and is insulated for best possible Refrigerant liquid is considered subcooled when its tempera- readings.
  • Page 73 SERVICING Pressure vs. Temperature Chart R-410A °F °F °F °F °F °F PSIG PSIG PSIG PSIG PSIG PSIG -37.7 37.8 74.3 100.2 120.7 137.6 114.0 216.0 318.0 420.0 522.0 -34.7 116.0 38.7 218.0 74.9 320.0 100.7 422.0 121.0 524.0 137.9 -32.0 118.0 39.5...

  • Page 74: Non-Condensables

    SERVICING REQUIRED LIQUID LINE TEMPERATURE LIQUID PRESSURE REQUIRED SUBCOOLING TEMPERATURE (°F) AT SERVICE VALVE (PSIG)

  • Page 75: Checking Restricted Liquid Line

    SERVICING In the cooling cycle when the outdoor air temperature rises, device, extreme cases of insufficient indoor air can cause icing of the high side condensing pressure rises. At the same time, the the indoor coil and liquid return to the compressor, but the head cooling load on the indoor coil increases, causing the low side pressure would be lower.

  • Page 76: Cleaning Aluminum Coils

    TP-109 is available on the web site in NOTE: The Flushing Method using R-11 refrigerant is no longer Partner Link > Service Toolkit. approved by Daikin Heating-Cooling. NOTE: Ensure coils are rinsed well after use of any chemical Suction Line Drier Clean-Up Method cleaners.

  • Page 77: S-203A Two Piece Air Handler External Static

    SERVICING Supply Static + .20” wc TOTAL EXTERNAL STATIC S-203A TWO PIECE AIR HANDLER EXTERNAL STATIC To determine proper airflow, proceed as follows: Return Static 1. Using a Inclined Manometer or Magnehelic gauge, measure - .30” wc the static pressure between the outlet of the evaporator coil and the inlet of the air handler, this will be a negative pressure ( for example -.30”wc) 2.

  • Page 78: Accessories Wiring Diagrams

    ACCESSORIES WIRING DIAGRAMS HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. All Fuel System AFE18-60A Control Board 24VAC POWER SUPPLY P1-8 +VDC INPUT...
  • Page 79 ACCESSORIES WIRING DIAGRAMS HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. 10kw and Below, One Stage Electric Heat From Air Handler BLUE WHITE BROWN...
  • Page 80 ACCESSORIES WIRING DIAGRAMS HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. 15kw and Above with Two OT/EHR18-60's, Two Stage Electric Heat and Two Stage Thermostat From Air Handler OT/EHR18-60 #1 BLUE...
  • Page 82 ACCESSORIES WIRING DIAGRAMS ASPT**14**/ASUF**14** HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. HTR1 HTR1 HTR1 HTR1 HTR2 HTR2 HTR2 HTR3 HTR3 HTR4...
  • Page 83 WIRING DIAGRAMS ASPT**14**/ASUF**14** Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 84 WIRING DIAGRAMS ACNF Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 85 WIRING DIAGRAMS AWUF310516AE,AWUF310816AD,AWUF321016AD Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 86 AWUF180[316,516,816]BD, AWUF240[316,516,816]BD, AWUF241016BD, WIRING DIAGRAMS AWUF300[516,816]BE, AWUF301016BE, AWUF360[516,816] BE, AWUF361016BE Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 87 WIRING DIAGRAMS AWUF190[316,516,816]AC,AWUF250[316,516,816]AC Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 88 WIRING DIAGRAMS AWUF370[516,816]BD,AWUF371016BE Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 89 WIRING DIAGRAMS AWUF[18, 24, 30, 36]** Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 90 WIRING DIAGRAMS AWUF190*16AA Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 91 WIRING DIAGRAMS AWUF[31-32]** Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 92 WIRING DIAGRAMS AWUF37 Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 93 WIRING DIAGRAMS DAR[090-120]4 Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 94 WIRING DIAGRAMS DAT[0904-1204] Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 95 WIRING DIAGRAMS 25kW Heat Kit HTR1 COMPONENT CODE COLOR CODE PC = 9 PIN CONNECTOR BK = BLACK HTR2 HTR = HEATER ELEMENT BL = BLUE TL = THERMAL LMT BR = BROWN RS = RELAY/SEQUENCER GR = GREEN HTR3 TB = TERMINAL BLOCK OR = ORANGE CB = CIRCUIT BREAKER...
  • Page 97 WIRING DIAGRAMS DX11SA[090-120]*A* Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 98 WIRING DIAGRAMS DX13SA0[18-61]1A* Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 99 WIRING DIAGRAMS DX13SA0[36-60][3,4]A* Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 100 WIRING DIAGRAMS DX13SA0364AA Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 101 WIRING DIAGRAMS DX14SA0[18-60]1A* Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 102 WIRING DIAGRAMS DX14SA0[24-61]1A* Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 103 WIRING DIAGRAMS DX16SA0601A* Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 104 WIRING DIAGRAMS DX16SA0[18-48]1A*&DX16SA061A* Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 105 WIRING DIAGRAMS DZ11SA[090-120]3A* LVDR 0-RV C-RV HVDR Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 106 WIRING DIAGRAMS DZ13SA0[18-61]1A* Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 107 WIRING DIAGRAMS DZ14SA0[36,48,60][3,4]A* Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 108 WIRING DIAGRAMS DZ14SA0[18-48]1A*,*A LVDR 0-RV C-RV HVDR Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 109 WIRING DIAGRAMS DZ16SA0[24-48]1A* Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 110 WIRING DIAGRAMS DZ16SA0601A* LVDR 0-RV C-RV HVDR Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 111 WIRING DIAGRAMS DZ16SA0[18-48]1B* LVDR 0-RV C-RV HVDR Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 112 WIRING DIAGRAMS DZ16SA0601-B* LVDR 0-RV C-RV HVDR PS 2 Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.

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