Goodman CONDENSING UNITAIR CONDITIONING Installation & Service Reference

Summary of CONDENSING UNITAIR CONDITIONING

  • Page 1

    Ment installed in violation of any codes or regulations. Rated performance is achieved after 72 hours of operation. Rated performance is delivered at the specified airflow. See outdoor unit specification sheet for split system models or product specification sheet for packaged and light commercial m...

  • Page 2

    2 i nstallation c learances special consideration must be given to location of the con- densing unit(s) in regard to structures, obstructions, other units, and any/all other factors that may interfere with air circulation. Where possible, the top of the unit should be completely unob- structed; howe...

  • Page 3

    3 use only refrigerant grade (dehydrated and sealed) copper tub- ing to connect the condensing unit with the indoor evaporator. After cutting the tubing, install plugs to keep refrigerant tubing clean and dry prior to and during installation. Tubing should always be cut square keeping ends round and...

  • Page 4

    4 torch heat required to braze tubes of various sizes is proportional to the size of the tube. Tubes of smaller size require less heat to bring the tube to brazing temperature before adding brazing alloy. Applying too much heat to any tube can melt the tube. Service personnel must use the appropriat...

  • Page 5

    5 5000 4500 4000 3500 3000 2500 2000 1500 1000 500 0 1 2 3 4 5 6 7 8 9 10 leak(s) present minutes v acu u m in mi cr o n s condensibles or small leak present no leaks no condensibles e lectrical c onnections high voltage! D isconnect all power before servicing . M ultiple power sources may be presen...

  • Page 6

    6 2 r communicating od unit communicating furnace or air handler communicating thermostat 2 two-stage communicating thermostat low voltage wire connection (communicating mode) s ystem s tart u p possible refrigerant leak! T o avoid a possible refrigerant leak , open the service valves until the top ...

  • Page 7

    7 run the remote on low stage cooling for 10 minutes until refrig- erant pressures stabilize. Use the following guidelines and meth- ods to check unit operation and ensure that the refrigerant charge is within limits. Charge the unit on low stage. 1. Purge gauge lines. Connect service gauge manifold...

  • Page 8

    8 additional notes: 1. There are (4) leds on the pcb. See the troubleshooting tables at the end of this manualfor definitions of the led status. 2. When system is at standby mode, press “test” push button to turn on both compressor and outdoor fan for five (5) seconds. 3. Press “recall” push-button ...

  • Page 9

    9 for example, assume the system is an air conditioner matched with an air handler. With a call for low stage cooling, the air conditioner will calculate the system’s low stage cooling air- flow demand. The air conditioner will then send a fan request along with the low stage cooling airflow demand ...

  • Page 10

    10 clean display installer config set time set schedule r un sch ed u le upon entering the advanced menus, the advanced fault menu is displayed. The display will change to the fault screen and indicate any faults that may be present in the indoor or outdoor equipment. If a fault is present, the faul...

  • Page 11

    11 a ir c onditioner /h eat p ump a dvanced f eatures m enu submenu item indication (for display only; not user modifiable) number of ac stages (cl stg) displays the number of air conditioning stages; applies to ac and hp. Number of hp stages (ht stg) displays the number of heat pump stages; applies...

  • Page 12

    12 submenu item user modifiable options comments cool airflow trim (cl trm) -10% to +10% in 2% increments, default is 0% selects the airflow trim amount; applies to air conditioner only. Cool airflow profile (cl prfl) a, b, c, or d, default is a selects the airflow profile; applies to air conditione...

  • Page 13

    13 d iagnostics accessing the air conditioner/heat pump diagnostics menu pro- vides ready access to the last six faults detected by the air conditioner/heat pump. Faults are stored most recent to least recent. Any consecutively repeated fault is stored a maximum of three times. Example: the power su...

  • Page 14

    14 led led status indication possible c auses c orrective action(s) n otes & c autions off • norm al condition • none • none • none • depres s once quickly for a power-up reset • depres s and hold for 2 seconds for an out-of-box reset • control power up • learn button depres sed • no power • no powe...

  • Page 15: Notice

    15 unit troubleshooting information for detailed service information refer to the remote condensing unit service manual. Complaint unsatisfactory cooling possible cause dots in analysis guide indicate "possible cause" sy mp t o m sy s te m w ill n o t s ta rt comp re s s o r wi ll not s tar t - fan ...

  • Page 16

    16 troubleshooting information: unitary diagnostic codes dia gnos ti c /sta tu s led code s comfortnet™ t h ermostat onl y s y m p toms of a b normal op eratio n (l eg a c y & comfortnet™ t h ermost at) g ree n y e llo w r ed r ed y 1 fa ult de s c ription mess ag e c ode possible cau se s c o rrect...

  • Page 17

    17 troubleshooting information: unitary diagnostic codes dia gnos ti c /sta tu s led code s comfortnet™ t h ermostat onl y s y m p toms of a b normal op eratio n (l eg a c y & comfortnet™ t h ermost at) g ree n y e llow r ed r ed y 1 fa ult de s c ription mess ag e co d e possible cau se s co rrect ...

  • Page 18

    18 troubleshooting information: unitary diagnostic codes s y m p toms of a b normal op eratio n (l eg a c y & comfortnet™ t h ermost at) dia gnos ti c /sta tu s led code s fa ult de s c ript ion comfortnet™ t h ermostat onl y p o ssib le c a u s e s co rrect iv e a c ti on s not e s & ca utions g re...

  • Page 19

    19 troubleshooting information: unitary diagnostic codes dia gnos ti c /sta tu s led code s comfortnet™ t h ermostat onl y s y m p toms of a b normal op eratio n (l eg a c y & comfortnet™ t h ermost at) g ree n y e llow r ed r ed y 1 fa ult de s c ript ion mess ag e c ode possible cau se s c o rrect...

  • Page 20

    20 troubleshooting information: unitary diagnostic codes dia gnos ti c /sta tu s led code s comfortnet™ t h ermostat onl y s y m p toms of a b normal op eratio n (l eg a c y & comfortnet™ t h ermost at) g ree n y e llow r ed r ed y 1 fa ult de s c ription mess ag e c ode possible cau se s c o rrect ...

  • Page 21

    21 troubleshooting information: unitary diagnostic codes dia gnos ti c /sta tu s led code s comfortnet™ t h ermostat onl y s y m p toms of a b normal op eratio n (l eg a c y & comfortnet™ t h ermost at) g ree n y e llow r ed re d y 1 fa ult de s c ript ion mess ag e c ode possible cau se s co rrect ...

  • Page 22

    22 troubleshooting information: unitary diagnostic codes dia gnos ti c /sta tu s led code s comfortnet™ t h ermostat onl y s y m p toms of a b normal op eratio n (l eg a c y & comfortnet™ t h ermost at) g ree n y e llow r ed r ed y 1 fa ult de s c ript ion mess ag e c ode possible cau se s c o rrect...

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    23 this page left intentionally blank.

  • Page 24: Split Systems

    24 r eplace or c lean f ilter important note: never operate unit without a filter installed as dust and lint will build up on internal parts resulting in loss of efficiency, equipment damage and possible fire. An indoor air filter must be used with your comfort system. A properly maintained filter w...