Goodman ComfortNet ASXC160**1AA Series Service Instructions Manual
  1. Manuals
  2. Brands
  3. Goodman Manuals
  4. Heat Pump
  5. ComfortNet ASXC160**1AA Series
  6. Service instructions manual

Goodman ComfortNet ASXC160**1AA Series Service Instructions Manual

Asxc, dsxc, and gsxc condensing units, aszc, dszc and gszc split system heat pumps with r-410a refrigerant blowers, coils, & accessories
Hide thumbs
Table of Contents

Advertisement

Quick Links

Service Instructions

ComfortNet™
ASXC, DSXC, and GSXC Condensing Units,
ASZC, DSZC and GSZC Split System Heat Pumps
with R-410A Refrigerant
Blowers, Coils, & Accessories
This manual is to be used by qualified, professionally trained HVAC technicians only. Goodman
does not assume any responsibility for property damage or personal injury due to improper
RS6200007r14
service procedures or services performed by an unqualified person.
December 2017
Copyright © 2015-2017 Goodman Manufacturing Company, L.P.
is a registered trademark of Maytag Corporation or its related companies and is used under license to Goodman Company, L.P., Houston, TX. All rights reserved.

Advertisement

Table of Contents
loading

Related Manuals for Goodman ComfortNet ASXC160**1AA Series

Summary of Contents for Goodman ComfortNet ASXC160**1AA Series

  • Page 1: Service Instructions

    December 2017 Copyright © 2015-2017 Goodman Manufacturing Company, L.P. is a registered trademark of Maytag Corporation or its related companies and is used under license to Goodman Company, L.P., Houston, TX. All rights reserved.

  • Page 2: Important Information

    (Not a technical assistance line for dealers.) Your telephone company will bill you for the call. is a registered trademark of Maytag Corporation or its related companies and is used under license to Goodman Company, L.P., Houston, TX. All rights reserved.

  • Page 3: Safe Refrigerant Handling

    IMPORTANT INFORMATION SAFE REFRIGERANT HANDLING While these items will not cover every conceivable situation, they should serve as a useful guide. WARNING WARNING EFRIGERANTS ARE HEAVIER THAN AIR. HEY CAN "PUSH OUT" THE O AVOID POSSIBLE EXPLOSION: OXYGEN IN YOUR LUNGS OR IN ANY ENCLOSED SPACE. O AVOID •...
  • Page 4 PRODUCT IDENTIFICATION A S X C 16 024 1 Brand Engineering A - Amana® brand Major/Minor Revisions D - Deluxe Goodman® brand G - Goodman® brand Voltage Type 1 - 208/230V Single-Phase 60 Hz Split System 3 - 208/230V Three-Phase 60 Hz...
  • Page 5 PRODUCT IDENTIFICATION ComfortNet™ 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 ComfortNet™ PRODUCT IDENTIFICATION MB V C 12 Electrical Brand MB - Modular Blower 1: 208-230V/60Hz/1 PH Design Series Type A: First Series Speed Circuit Breaker Communication Feature A: No Circuit Breaker 4-Wire Communication Ready B: Circuit Breaker Factory Heat Airflow 1200 CFM 00 No Heat 1600 CFM...
  • Page 7 PRODUCT IDENTIFICATION ComfortNet™ A V P T C 1830 1 6 AA 6,7,8,9 13,14 Brand Engineering* A Airhandler Major/Minor Revisions Unit Application Refrigerant Charge V Variable Speed Motor No Digit = R-22 Only 6 = R-410A or R-22 Cabinet Finish U: Unpainted Electrical P: Painted...
  • Page 8 ComfortNet™ PRODUCT IDENTIFICATION A V P T C 18 B 1 4 AA 11,12 Brand Engineering* A Single Piece Major/Minor Revisions Airhandler *Not used for inventory management 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...
  • Page 9 PRODUCT IDENTIFICATION ASXC16 A MANA ® BRAND S PLIT X-C OMMUNICATING CONDENSERS R-410A 16 SEER Model/Rev Description Introduces Amana® brand 2-stage 16 SEER condensing units with R-410A, ASXC160**1AA communicating models. ASXC160601BA Use ZPS49 compressor. ASXC160481BA SmartCoil® coils ASXC160(24/36)1BB Wiring diagram updated with notes. ASXC160(48-60)1BB Motor changed to Nidec.
  • Page 10 PRODUCT IDENTIFICATION GSXC16 G OODMAN ® BRAND S PLIT X-C OMMUNICATING CONDENSERS R-410A 16 SEER Model/Rev Description GSXC160(24/36/48/60)1CA 16 SEER 2-Stage AC Development with improved performance. GSXC18 G OODMAN ® BRAND S PLIT X-C OMMUNICATING CONDENSERS R-410A 18 SEER Model/Rev Description 18 SEER 2-Stage AC Development with improved performance.
  • Page 11 PRODUCT IDENTIFICATION DSXC16 D ELUXE S PLIT X-C OMMUNICATING CONDENSERS R-410A 16 SEER Model/Rev Description Initial release of Goodman® Deluxe brand 2-stage 16 SEER condensing units with R- DSXC160**1AA 410A, communicating models. DSXC160(24/36)1AB Wiring diagram updated with notes. DSXC160(24/36)1AC Ultratech® 2.0 compressor.
  • Page 12 PRODUCT IDENTIFICATION ASZC16 A MANA ® BRAND S PLIT Z-C OMMUNICATING HEAT PUMP R-410A 16 SEER Model/Rev Description Introduces Amana® brand 2-stage 16 SEER heat pump units with R-410A, ASZC160**1AA communicating models. ASZC160(24/36)1AB Sanhua (RANCO) reversing valves ASZC160(48/60)1AB ASZC160(24-48)1AC Release of models with accumulators and crankcase heaters. ASZC160601BA ASZC160(24-36])1AD Motor changed to Nidec.
  • Page 13 PRODUCT IDENTIFICATION GSZC16 G OODMAN ® BRAND S PLIT Z-C OMMUNICATING HEAT PUMP R-410A 16 SEER Model/Rev Description Replaced compressors with Copeland's UltraTech™ 3 lineup. Transitioned coils GSZC160[24/36/48/60] to 7mm. Offers improved performance. GSZC18 G OODMAN ® BRAND S PLIT Z-C OMMUNICATING HEAT PUMP R-410A 16 SEER Model/Rev Description Replaced compressors with Copeland's UltraTech™...
  • Page 14 PRODUCT IDENTIFICATION DSZC16 D ELUXE S PLIT Z-C OMMUNICATING HEAT PUMP R-410A 16 SEER Model/Rev Description Initial release of Goodman® brand Deluxe 2-stage 16 SEER heat pump units with R- DSZC16**1AA 410A, communicating models. DSZC160(24/36)1AB Sanhua (RANCO) reversing valves. DSZC160(48/60)1AB DSZC160(24-48)1AC Release of models with accumulators and crankcase heaters.
  • Page 15 PRODUCT IDENTIFICATION AVPTC**14 SINGLE PIECE A IR HANDLER MULTIPLE-POSITION V ARIABLE SPEED P AINTED T XV WITH 4-WIRE C OMMUNICATING CONTROL Model/Rev Description AVPTC24B14AA Initial release of 13 SEER air handler with communicating control and serial AVPTC(30/36)C14AA communicating indoor blower motor. Redesign of AVPTC models to new air handler AVPTC(42/48/60)D14AA cabinetry.
  • Page 16 PRODUCT IDENTIFICATION MBVC M ODULAR B LOWER AIR HANDLER V- MULTI-POSITION VARIABLE-SPEED C OMMUNICATING READY W/4-WIRES Model/Rev Description MBVC1200AA1-AA Introduction of module blower with variable speed blower motor with the new MBVC1600AA1-AA communicating control & serial communicating indoor blower motor. MBVC2000AA1-AA MBVC1200AA1-AB Introduction of a module blower with variable speed blower motor with communicating...
  • Page 17 PRODUCT IDENTIFICATION CHPF C -INDOOR COIL H ORIZONTAL A-COIL P AINTED F LOWRATOR 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 18 PRODUCT IDENTIFICATION CAPF C- INDOOR COIL A- UPFLOW/DOWNFLOW P AINTED F LOWRATOR 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.
  • Page 19 PRODUCT IDENTIFICATION CSCF C- INDOOR COIL S- HORIZONTAL SLAB COIL C -UNPAINTED F LOWRATOR Model/Rev Description CSCF*****6AA Initial release of 13 SEER CSCF horizontal slab coils. Burr Oak Louvered Fin released in place of the Wavy Fin. Rows reduced by one where CSCF*****6BA applicable.
  • Page 20 ACCESSORIES ComfortNet™ ASXC/DSXC 16 ASXC/DSXC/GSXC 18 ASXC18024 ASXC18036 ASXC18048 ASXC18060 ASXC16024 ASXC16036 ASXC16048 ASXC16060 Model Description DSXC18024 DSXC18036 DSXC18048 DSXC18060 DSXC16024 DSXC16036 DSXC16048 DSXC16060 GSXC18024 GSXC18036 GSXC18048 GSXC18060 ABK-20 Anchor Bracket Kit TX2N4A TXV Kit TX3N4 TXV Kit TX5N4 TXV Kit CSR-U-1 Hard-start Kit CSR-U-2...
  • Page 21 ACCESSORIES EXPANSION VALVE KITS For Applications requiring 1/4 FLARE CONNECTION a field installed access fitting BULB TO BE LOCATED AT 10 OR 2 O'CLOCK BULB SUCTION LINE EVAPORATOR COIL TAILPIECE PISTON SEAL SUPPLIED W/ KIT SEAL SUPPLIED W/ KIT SEAL DISTRIBUTOR EXPANSION VALVE BODY...
  • Page 22 ACCESSORIES FSK01A FREEZE THERMOSTAT Wire Nut Wire Nut Install Line Install Line Thermostat Thermostat Here Here Wire Nut Wire Nut...
  • Page 23 ACCESSORIES ELECTRIC HEAT KIT BLOWER M BVC1200AA-1** M BVC1600AA-1** M BVC2000AA-1** X = Allowable combinations ^ = Circuit 1: Single Phase for Air Handler Motor Circuit 2: 3-Phase for HKR3 Heater Kits - = Restricted combinations HK* SERIES ELETRIC HEAT KITS - ELECTRIC HEAT KIT APPLICATIONS - MBVC...
  • Page 24 ACCESSORIES ELECTRIC HEAT KIT APPLICATIONS - AVPTC MODELS HKR-03* HKR-05*/-05C* HKR-06* HKR-08*/-08C* HKR-10*/-10C* HKR-15C* HKR-20C* HKR-21C* HKA-15C* HKA-20C* AVPTC183014A* AVPTC313714A* AVPTC426014A* Revision level that may or may not be designated. Circuit breaker option. NOTE: When 8kW and 10kW heat kits are used with an AVPTC1830 and AVPTC3137, matched with 2- ton outdoor unit, see Note 1 below. Set Heater Kit dip switches 9, 10 and 11 to 6kW setting (9-ON, 10-OFF,11-ON) to obtain 840 CFM.
  • Page 25 ACCESSORIES AVPTC**14** AVPTC Heat Kit Applications † †† ††† Type / Model 24B14-A* 30C14-A* 36C14-A* 48C14-A* 42D14-A* 48D14-A* 60D14-A* HKSX03XC HKSX05XC HKSX06XC HKSX08XC HKSX10XC HKSX15XF* HKSX20XF* HKSC05XC HKSC08XC HKSC10XC HKSC15XA HKSC15XB HKSC15XF* HKSC19CA* HKSC19CB* HKSC20DA HKSC20DB HKSCX20XF* HKSC25DC* * Revisio n level that may o r may no t be designated. Refer to the minimum airflo w requirements fo r each o f the heat kits.
  • Page 26 ACCESSORIES READY 15 AVPTC Model AVPTC25B14 AVPTC29B14 AVPTC31C14 AVPTC33C14 AVPTC35B14 AVPTC39C14 AVPTC37B14 AVPTC37C14 AVPTC37D14 AVPTC49C14 AVPTC49D14 AVPTC59C14 AVPTC59D14 AVPTC61D14 HKSX03XC HKSX05XC HKSX06XC HKSX08XC HKSX10XC HKSC05XC HKSC08XC HKSC10XC HKSC15XA HKSC15XB HKSC15XF HKSC19CA HKSC19CB HKSC19CH HKSC20DA HKSC20DB HKSC20DH HKSC20XF HKSC25DA HKSC25DB...

  • Page 27: Product Design

    PRODUCT DESIGN This section gives a basic description of cooling unit opera- The ZPS two-step modulated scroll uses a single step of tion, its various components and their basic operation. unloading to go from full capacity to approximately 67% Ensure your system is properly sized for heat gain and loss capacity.
  • Page 28 PRODUCT DESIGN • Compliant scroll compressors perform "quiet" shutdowns 18 to 28 volt ac. The coil power requirement is 20 VA. The that allow the compressor to restart immediately without external electrical connection is made with a molded plug the need for a time delay. This compressor will restart assembly.
  • Page 29 PRODUCT DESIGN NOTE: AVPTC air handlers are factory-sealed to achieve a 2% or less leakage rate at 1.0" water gauge external duct static pressure. Communicating Unitary Control (UC) PCB The Communicating System Unitary Control PCB is a micro- processor-based control for heat pump and air conditioning condensing units with single-phase compressors up to 5 ton capacity operating on standard residential or Delta and Wye commercial power.

  • Page 30: 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 by- The refrigerant used in the system is R-410A. It is a clear, pass the indoor expansion device. The check valve at the colorless, non-toxic and non-irritating liquid.
  • Page 31 SYSTEM OPERATION DEFROST CYCLE - COMFORTNET MODELS The defrosting of the outdoor coil is jointly controlled by the UC PCB and the outdoor coil temperature (OCT) sensor. The OCT sensor is clamped to a feeder tube entering the outdoor coil. Defrost timing periods of 30, 60, 90 or 120 minutes may be selected via the dipswitch settings on the UC PCB.
  • Page 32 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 33 EXPANSION VALVE/CHECK VALVE ASSEMBLY IN COOLING OPERATION IN HEATING OPERATION ® Most expansion valves used in current Goodman/Amana Brand 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 34: Troubleshooting Chart

    TROUBLESHOOTING CHART COOLING/HP ANALYSIS CHART Sys te m Uns atis factor y Com plaint No Cooling Ope r ating Cooling/He ating Pre s s ur e s P OSS IBLE CAUSE Te st Me thod DOTS IN ANALYSIS Re m e dy GUIDE INDICATE "P OSS IBLE CAUSE"...

  • Page 35: Table Of Contents

    SERVICING TABLE OF CONTENTS CHECKING VOLTAGE ..........35 S-21 CHECKING REVERSING VALVE CHECKING WIRING ........... 35 AND SOLENOID ............. 77 S-3E CTK0*** COMFORTNETTM THERMOSTAT ....35 S-24 TESTING DEFROST CONTROL ........ 77 CHECKING TRANSFORMER S-26 TESTING TEMPERATURE SENSORS AND CONTROL CIRCUIT ........48 (COMFORTNET READY MODELS ONLY) .....

  • Page 36: S-1 Checking Voltage

    SERVICING NOTE: When operating electric heaters on voltages other S-1 CHECKING VOLTAGE than 240 volts, refer to the System Operation section on 1. Remove outer case, control panel cover, etc., from unit electric heaters to calculate temperature rise and air flow. being tested.
  • Page 37 SERVICING between the thermostat and subsystems (indoor/outdoor CONTROL WIRING unit) and between subsystems is the key to unlocking the NOTE: Refer to section Electrical Connections - High benefits and features of the ComfortNet system. Voltage Connections for 208/230 volt line connections to Two-way digital communications is accomplished using the air conditioner or heat pump.
  • Page 38 SERVICING ™ S OMFORT YSTEM DVANCED EATURES The ComfortNet™ system permits access to additional system information, advanced setup features, and advanced Thermostat diagnostic/troubleshooting features. These advanced fea- tures are organized into a menu structure. Refer to the Installation and Start-Up instructions shipped with your Modular Blower particular CTKO*** thermostat.
  • Page 39 SERVICING • Learn button – Used to reset the network. Depress the Network Troubleshooting button for approximately 2 seconds to reset the network. The ComfortNet™ system is a fully communicating system, and thus, constitutes a network. Occasionally the need to troubleshoot the network may arise.
  • Page 40 SERVICING 7 SEGMENT LED DES CRIPTION OF CONDITION (characters will alternate) (no display) INTERNAL CONTROL FAULT / NO POWER STANDBY, WAITING FOR INPUTS HEATER KIT TOO LARGE, TOO SMALL, OR NO MATCH FUSE OPEN AUXILIARY SWITCH OPEN DATA NOT ON NETWORK INVALID DATA ON NETWORK INVALID MEMORY CARD DATA BLOWER MOTOR NOT RUNNING...
  • Page 41 SERVICING PCBJA101- PCBJA102 AIR HANDLER DIAGNOSTIC CODES...
  • Page 42 SERVICING PCBJA101- PCBJA102 AIR HANDLER DIAGNOSTIC CODES...
  • Page 43 SERVICING PCBJA101- PCBJA102 AIR HANDLER DIAGNOSTIC CODES...
  • Page 44 SERVICING PCBJA101- PCBJA102 AIR HANDLER DIAGNOSTIC CODES...
  • Page 45 SERVICING PCBJA104 AIR HANDLER DIAGNOSTIC CODES...
  • Page 46 SERVICING PCBJA104 AIR HANDLER DIAGNOSTIC CODES...
  • Page 47 SERVICING PCBJA104 AIR HANDLER DIAGNOSTIC CODES...
  • Page 48 SERVICING PCBJA104 AIR HANDLER DIAGNOSTIC CODES...

  • Page 49: S-6 Checking Time Delay Relay

    SERVICING 4. Apply 24 volts to terminals H1 and H2. Check for continuity across other terminals - should test continu- ous. If not as above - replace. HIGH VOLTAGE! NOTE: The time delay for the contacts to make will be Disconnect ALL power before servicing approximately 20 to 50 seconds and to open after the coil is or installing.
  • Page 50 SERVICING ECM MOTOR HIGH VOLTAGE! Disconnect ALL power before servicing HIGH VOLTAGE! or installing. Multiple power sources Disconnect ALL power before servicing may be present. Failure to do so may or installing. Multiple power sources cause property damage, personal injury may be present.
  • Page 51 SERVICING PCBHR101-103 PBBGR101-102...
  • Page 52 PCBHR101-103 SERVICING PBBGR101-102...
  • Page 53 SERVICING PCBHR101-103 PBBGR101-102...
  • Page 54 PCBHR101-103 SERVICING PBBGR101-102...
  • Page 55 PCBHR101-103 SERVICING PBBGR101-102...
  • Page 56 SERVICING PCBHR104/PCBHR105 7 SEGMENT LED 7 SEGMENT LED DESCRIPTION OF CONDITION (DS2) (DS1) Standby Low Pressure CO Trip Low Side Fault High Pressure CO Trip High Side Fault Short Cy cling Locked Rotor Open Circuit Open Start Circuit Open Run Circuit No Line Voltage Low Pilot Voltage Pow er Up...
  • Page 57 SERVICING PCBHR104 Integrated control Outdoor air Shorted sensor. Check sensor Turn power OFF prior module diagnostic/status temp sensor Open sensor. connection. to repair. LED display shows the fault Sensor Replace open/ Replace with correct indicated code. disconnected. shorted sensor. replacement part. Sensor out of displays ‘---‘...
  • Page 58 SERVICING PCBHR104 Air conditioner/heat pump Data not yet Air conditioner/ Verify Turn power OFF prior fails to operate. DATA heat pump is system type to repair. Integrated control wired as part of (communicating Use memory card for module diagnostic/status a communicating or legacy) your specific model.
  • Page 59 SERVICING PCBHR104 Air conditioner/heat pump Configuration Shared data sent Verify Turn power OFF prior fails to operate. Mis-match to integrated system type to repair. Integrated control module control module (communicating Use memory card for diagnostic/status LED does not match or legacy). your specific model.
  • Page 60 SERVICING PCBHR104 Digit 3 Digit 2 Digit 1 Compressor and outdoor Low Pressure Low refrigerant Verify refrigerant Turn power OFF prior Cut Out charge. charge; adjust as to repair. Low pressure switch Lockout Restriction in needed. Must clear fault by trip 3 times within same (3 Trips) liquid line.
  • Page 61 SERVICING PCBHR104 Digit 3 Digit 2 Digit 1 Run time for last 4 cycles Short Cycling CMPR Intermittent Check thermostat Turn power OFF prior is less than 3 minutes SHRT thermostat and thermostat to repair. each. CYCLE demand. wiring; repair/ Fault will clear after 4 Compressor protector has Faulty...
  • Page 62 SERVICING PCBHR104 Digit 3 Digit 2 Digit 1 Compressor and outdoor Open Start Compressor start Check Turn power OFF prior Circuit START winding is open. compressor; to repair Low pressure and high Lockout Failed repair/replace as Must clear fault by pressure switches are compressor run needed.
  • Page 63 SERVICING PCBHR104 Digit 2 Digit 1 Digit 3 Air conditioner/heat High Line High line Correct high line Turn power OFF prior pump may appear to be Voltage VOLT voltage voltage condition; to repair. operating normally. contact local utility Control detects line Compressor protector if needed.
  • Page 64 SERVICING PCBHR105 Integrated control Outdoor air Shorted sensor. Check sensor Turn power OFF prior module diagnostic/status temp sensor Open sensor. connection. to repair. LED display shows the fault Sensor Replace open/ Replace with correct indicated code. disconnected. shorted sensor. replacement part. Sensor out of displays ‘---‘...
  • Page 65 PCBHR105 SERVICING Air conditioner/heat pump Data not yet Air conditioner/ Verify Turn power OFF prior fails to operate. DATA heat pump is system type to repair. Integrated control wired as part of (communicating Use memory card for module diagnostic/status a communicating or legacy) your specific model.
  • Page 66 PCBHR105 SERVICING Air conditioner/heat pump Configuration Shared data sent Verify Turn power OFF prior fails to operate. Mis-match to integrated system type to repair. Integrated control module control module (communicating Use memory card for diagnostic/status LED does not match or legacy). your specific model.
  • Page 67 SERVICING PCBHR105 Digit 3 Digit 2 Digit 1 Compressor and outdoor Low Pressure Low refrigerant Verify refrigerant Turn power OFF prior Cut Out charge. charge; adjust as to repair. Low pressure switch Lockout Restriction in needed. Must clear fault by trip 3 times within same (3 Trips) liquid line.
  • Page 68 PCBHR105 SERVICING Digit 3 Digit 2 Digit 1 Run time for last 4 cycles Short Cycling CMPR Intermittent Check thermostat Turn power OFF prior is less than 3 minutes SHRT thermostat and thermostat to repair. each. CYCLE demand. wiring; repair/ Fault will clear after 4 Compressor protector has Faulty...
  • Page 69 SERVICING PCBHR105 Digit 3 Digit 2 Digit 1 Compressor and outdoor Open Start Compressor start Check Turn power OFF prior Circuit START winding is open. compressor; to repair Low pressure and high Lockout Failed repair/replace as Must clear fault by pressure switches are compressor run needed.
  • Page 70 SERVICING PCBHR105 Digit 3 Digit 2 Digit 1 Air conditioner/heat High Line High line Correct high line Turn power OFF prior pump may appear to be Voltage VOLT voltage voltage condition; to repair. operating normally. contact local utility Control detects line Compressor protector if needed.

  • Page 71: S-12 Checking High Pressure Control

    SERVICING S-12 CHECKING HIGH PRESSURE CONTROL mately 50 PSIG for heat pumps and 95 PSIG for air condition- ers. Test for continuity using a VOM and if not as above, replace the control. HIGH VOLTAGE! Disconnect ALL power before servicing S-14 CHECKING HIGH AND LOW PRESSURE or installing.

  • Page 72: S-15B Capacitance Check Using A Digital Multi-Meter (In Capacitance Mode)

    SERVICING 4. If the reading is near to the actual value of the capacitor (i.e. the printed value on the capacitor). The capacitor is good. (Note that the reading may be less than the actual printed value of the capacitor). 5.
  • Page 73 SERVICING 8. Check motor mounting bracket. Ensure mouting bracket is tightly secured to the housing. Ensure bracket is not cracked or broken. P o w e r G re e n M o tor In d ica tio n (s) Bu tto n Actio n Emerson UltraCheck-EZ...
  • Page 74 SERVICING 3. Remove the blower assembly from the air handler or modular blower. Lines 1 and 2 will be connected 4. Remove the (3) screws securing the control/end bell to for 12OVAC Power Connector the motor. Separate the control/end bell. Disconnect applications only the 3-circuit harness from the control/end bell to remove the control/end bell from the motor.

  • Page 75: S-16H Ecm Cfm Adjustments Avptc/Mbvc

    SERVICING Motor Checks Tap D* Tap A Tap B Tap C OFF ON OFF ON OFF ON OFF ON 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 Cooling Airflow Speed Tap (* indicates factory setting) or death.
  • Page 76 SERVICING 20 kW 15 kW 10 kW 21 kW* OFF ON OFF ON OFF ON OFF ON Electric Heating Airflow (* indicates factory setting) 5 kW 8 kW 6 kW 3 kW OFF ON OFF ON OFF ON OFF ON Electric Heating Airflow (* indicates factory setting) The table on the following page indicates the airflow that corresponds to the available dipswitch settings.
  • Page 77 SERVICING MBVC Airflow Table Htr Kw MBVC1200* MBVC16000* MBVC2000* Speed Selection Dip Switches Cool Adjust Profile Selection Selection Selection Switches Switches Switches 1000 1000 OFF OFF OFF OFF OFF 1000 1000 1200 1400 1500 1500 ON OFF 2000 Profiles Pre-Run Short-Run OFF Delay Model...

  • Page 78: Blower Performance Data

    BLOWER PERFORMANCE DATA SWITCH SWITCH SWITCH HTR kW MBVC1200* MBVC1600* MBVC2000* 1000 1000 1000 1000 1200 1400 1500 1500 2000 ^ Factory setting COOL SELECTION ADJUST SELECTION PROFILE SELECTION LOW STAGE HIGH STAGE SWITCHES SWITCHES SWITCHES MODEL COOL COOL MBVC1200 1000 1200 1000...
  • Page 79 SERVICING AVPTC Airflow Table Cooling/Heat Pump Airflow Table High Model S p ee d S ele ction D ip S witch es Stage Stage Cool Cool C oo l Ad ju st S ele ction S elec tio n AVPTC183014* S witch es S w it che s 1040...
  • Page 80 SERVICING Speed Selection Dip Switches Cooling/Heat Pump Airflow Table Low stage High stage Cool Adjust Profile Model Speed tap Continuous (CFM) (CFM) Selection Selection Selection Switches Switches Switches Speed AVPTC24B14** OFF OFF OFF OFF OFF 1125 OFF ON AVPTC30C14** 1020 1225 Profiles Pre-Run...
  • Page 81 SERVICING READY 15 AVPTC AIRFLOW TABLES Cooling/Heat Pump Airflow Table Speed Selection Dip Switches MODEL Low Stage High Stage Cool Adjust Profile Continuous Selection Selection Selection Switches Switches Switches Speed AVPTC25B14 1085 OFF OFF OFF OFF OFF OFF ON AVPTC29B14 AVPTC37B14 1085 Profiles Pre-Run...
  • Page 82 SERVICING ELECTRIC HEAT AIRFLOW TABLE AVPTC42D14A* AVPTC48D14A* AVPTC60D14A* Htr kW 11 AVPTC24B14A* AVPTC30C14A* AVPTC36C14A* AVPTC48C14* 850** 1250 1250 1250 ON OFF 1300 1300 1300 ON OFF ON 1000 1000 1500 1500 1500 ON OFF OFF 1200 1200 1550 1550 1550 OFF ON 1440 1440...

  • Page 83: S-17 Checking Compressor

    SERVICING S-17 CHECKING COMPRESSOR HIGH VOLTAGE! WARNING Disconnect ALL power before servicing Hermetic compressor electrical terminal venting can or installing. Multiple power sources be dangerous. When insulating material which may be present. Failure to do so may supports a hermetic compressor or electrical terminal cause property damage, personal injury suddenly disintegrates due to physical abuse or as a or death.

  • Page 84: S-17C Unloader Test Procedure

    SERVICING 1. DO NOT remove protective terminal cover. Disconnect the three leads going to the compressor terminals at the nearest point to the compressor. 2. Identify the leads and using an ohmmeter on the R x 10,000 scale or the highest resistance scale on your ohmmeter check the resistance between each of the three leads separately to ground (such as an unpainted tube on the compressor).

  • Page 85: S-17D Operation Test

    SERVICING S-17D OPERATION TEST If the voltage, capacitor, overload and motor winding test fail WARNING to show the cause for failure: Disconnect ALL power before servicing. 1. Disconnect the heater lead in wires. 2. Using an ohmmeter, check heater continuity - should HIGH VOLTAGE! test continuous.

  • Page 86: S-40A Avptc/Mbvc Electronic Blower/Heater Control

    SERVICING 2. Press TEST and RECALL buttons simultaneously for approximately 3 seconds, then release them. System Ohm Reading of Communicating Outdoor Unit Sensors should go into defrost immediately. T, °F RW@T T, °F RW@T T, °F RW@T T, °F RW@T T, °F RW@T 336,000 72,940 19,903...
  • Page 87 SERVICING Troubleshooting Communications (Applies only to Systems with Compatible ComfortNet Outdoor Unit and CTK0*Thermostat) Motor Control Circuits The integrated air handler control has some on-board tools that may be used to troubleshoot the network. These tools are: red communications LED, green receive (Rx) LED, and learn button.
  • Page 88 SERVICING use one of the extra wires to connect the two 24 volt commons together. This will ensure both 24 volt commons are at the same ground potential. • When outdoor transformer is used and there are only two thermostat wires running to the outdoor unit ground the 24 volt common “C”...
  • Page 89 SERVICING to the air handler/modular blower. The blower energizes nicating thermostat constitute a network. The three compo- the ECM blower motor at the appropriate speed. nents, or subsystems, making up the system communicate with one another with information passed between all three 1.3 The condenser energizes the compressor and con- components.
  • Page 90 SERVICING continues providing a fan request until any cooling blower Outdoor Temperature Below the Heat Pump Balance OFF delays have expired. Point 2.0 Heating Operation 2.1 The CTK0*** thermostat sends a request for the outdoor air temperature to the heat pump. The heat pump returns Outdoor Temperature Above the Heat Pump Balance an outdoor air temperature that is below the balance point Point...

  • Page 91: S-60 Electric Heater (Optional Item)

    SERVICING 5.1 The CTK0* thermostat sends a request for emergency NOTE: The temperature rise table is for sea level installa- heat to the air handler/modular blower. tions. The temperature rise at a particular KW and CFM will be greater at high altitudes, while the external static pressure 5.2 The air handler control energizes the ECM blower motor at a particular CFM will be less.

  • Page 92: S-61B Checking Heater Fuse Link

    SERVICING Each individual heater element is protected with a limit DANGER control device connected in series with each element to prevent overheating of components in case of low airflow. This Always remove the refrigerant charge in a proper limit control will open its circuit at approximately 150°F. manner before applying heat to the system.

  • Page 93: S-102 Evacuation

    SERVICING GEN-TRACED) NOTE: Never use the Scroll compressor as a vacuum pump or run when under a high vacuum. Motor damage could occur. WARNING Condensing unit liquid and suction valves are closed to contain the charge within the unit. The unit is shipped with the To avoid the risk of fire or explosion, never use valve stems closed and caps installed.

  • Page 94: S-103 Charging

    SERVICING When opening valves with retainers, open each valve only until the top of the stem is 1/8" from the retainer. To avoid loss WARNING of refrigerant, DO NOT apply pressure to the retainer. When REFRIGERANT UNDER PRESSURE! opening valves without a retainer remove service valve cap and * Do not overcharge system with refrigerant.

  • Page 95: S-104 Checking Compressor Efficiency

    SERVICING NOTE: Do NOT adjust the charge based on suction S-108 SUPERHEAT pressure unless there is a gross undercharge. The expansion valves are factory adjusted to maintain 7 to 9 degrees superheat of the suction gas. Before checking the 4. Disconnect manifold set, installation is complete. superheat or replacing the valve, perform all the procedures SUBCOOLING FORMULA = SATURATED LIQUID outlined under Air Flow, Refrigerant Charge, Expansion Valve...

  • Page 96: S-110 Checking Expansion Valve Operation

    SERVICING 1. Attach an accurate thermometer or preferably a thermo- S-112 CHECKING RESTRICTED LIQUID LINE couple type temperature tester to the liquid line as it When the system is operating, the liquid line is warm to the leaves the condensing unit. touch.
  • Page 97 SERVICING Pressure vs. Temperature Chart R-410A °F °F °F °F °F °F PSIG PSIG PSIG PSIG PSIG PSIG -37.7 114.0 37.8 216.0 74.3 318.0 100.2 420.0 120.7 522.0 137.6 -34.7 38.7 74.9 100.7 121.0 137.9 116.0 218.0 320.0 422.0 524.0 -32.0 118.0 39.5...
  • Page 98 SERVICING REQUIRED LIQUID LINE TEMPERATURE LIQUID PRESSURE REQUIRED SUBCOOLING TEMPERATURE (°F) AT SERVICE VALVE (PSIG)

  • Page 99: S-115 Compressor Burnout

    SERVICING Install a field supplied suction line drier. This drier should be CHECKING COMPRESSOR EFFICIENCY installed as close to the compressor suction fitting as The reason for compressor inefficiency is broken or damaged possible. The filter must be accessible and be rechecked for scroll flanks on Scroll compressors, reducing the ability of the pressure drop after the system has operated for a time.

  • Page 100: S-203 Single Piece Air Handler External Static Pressure

    SERVICING S-203A TWO PIECE AIR HANDLER EXTERNAL ALUMINUM INDOOR COIL CLEANING STATIC PRESSURE (Qualified Servicer Only) To determine proper airflow, proceed as follows: This unit is equipped with an aluminum tube evaporator coil. 1. Using a Inclined Manometer or Magnehelic gauge, mea- The safest way to clean the evaporator coil is to simply flush sure the static pressure between the outlet of the evaporator the coil with water.
  • Page 101 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. 3-Phase Heat Kit 25kW Heat Kit Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 102 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. A/DSXC16 Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 103 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. A/DSXC18 Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 104 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. A/DSZC16 Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 105 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. A/DSZC18 Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 106 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. AVPTC1830-3137 AND 4260 COLOR CODES: HTR1 HTR2 PK PINK HTR1 HTR1 HTR2...
  • Page 107 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. AVPTC SMART FRAME 40 VA TRANS FORMER, SEE N OTE 1 230 VAC GRND GRND...
  • Page 108 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. MBVC 40 VA TRANS FORMER, SEE N OTE 1 230 VAC GRND GRND...

This manual is also suitable for:

Comfortnet asxc160481baComfortnet asxc160601baComfortnet asxc160241bbComfortnet asxc160361bbComfortnet asxc160481bbComfortnet asxc160601bb ... Show all

Table of Contents