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24

NOTE: Roof overhang should be no more than 36".

3"

MIN

12" MIN

12" MIN

 

36" MIN

(FOR SERVICE)

.

48" MIN

MINIMUM CLEARANCES

RECOMMENDED FILTER SIZES

UNIT

2 Ton

2 1/2 Ton

3 Ton

3 1/2 Ton

4 Ton

Min. Filter Size

(1) 20 x 25 x1

(1) 25 x 25 x 1

(1)  25 x 25 x 1

(2) 20 x 20 x 1

(2) 20 x 20 x 1

Summary of Contents for GPG 16 SEER

Page 1: ...ontact your distributor or our website for the applicable Specifications Sheets referred to in this manual This Forced Air Central Unit Design Complies With Requirements Embodied in The American National Standard National Standard of Canada Shown Below ANSI Z21 47 CSA 2 3 Central Furnaces Affix this manual and Users Information Manual adjacent to the unit Goodman Manufacturing Company L P 5151 San...

Page 2: ...T 18 FLAME DETECTED WITH GAS VALVE CLOSED 18 LOW FLAME SIGNAL 18 ABNORMAL OPERATION COOLING 18 SHORT CYCLE COMPRESSOR DELAY 18 HIGH PRESSURE SWITCH LOSS OF CHARGE SWITCH 18 MAINTENANCE 19 FILTER REPLACEMENT OR CLEANING 19 CABINET FINISH MAINTENANCE 19 CLEAN OUTSIDE COIL QUALIFIED SERVICER ONLY 19 CONDENSER EVAPORATOR AND INDUCED DRAFT MOTORS 19 FLAME SENSOR QUALIFIED SERVICER ONLY 19 FLUE PASSAGES...

Page 3: ...FFAIRS GOODMAN MANUFACTURING COMPANY L P 7401 SECURITY WAY HOUSTON TEXAS 77040 713 254 4729 SAFETY INSTRUCTIONS TO THE INSTALLER Before installing this unit please read this manual to familiarize yourself on the specific items which must be adhered to including maximum external static pressure to unit air temperature rise minimum or maximum CFM and motor speed connections TO THE OWNER A warranty c...

Page 4: ...the outdoor air i e combustion air for the unit will be frequently contaminated by compounds containing chlorine or fluorine Common sources of such compounds include swimming pool chemicals and chlorine bleaches paint stripper adhesives paints varnishes sealers waxes which are not yet dried and solvents used during construction and remodeling Various commercial and industrial processes may also be...

Page 5: ...lease select the residential or commercial products menu and then select the submenu for the type of product to be installed such as air conditioners or heat pumps to access a list of product pages that each contain links to that model s specification sheet To assure that your unit operates safely and efficiently it must be installed operated and maintained in accordance with these installation an...

Page 6: ...e of a factory authorized conversion kit Contact your distributor or refer to the specification sheet for your model for a listing of approved LP gas conversion kit s Refer to the Installation Manual provided with the LP kit for conversion from natural gas to propane gas The minimum supply pressure should not vary from that shown in the Inlet Gas Pressure table because this could prevent the unit ...

Page 7: ... thermal damage Aluminum alloy tubing and connectors must be coated to protect against external corrosion when in contact with masonry plaster or insulation or are subject to repeated wettings by liquids water not rain water detergents or sewage NOTE The unit gas supply entrance is factory sealed with plugs Keep plugs in place until gas supply is ready to be installed Once ready replace the plugs ...

Page 8: ...6 660 1 381 250 90 222 414 700 1 078 585 1 224 300 89 201 378 634 976 530 1 109 350 82 185 345 584 898 488 1 020 400 76 172 321 543 836 454 949 To convert to Capacities at 15 PSIG Settings Multiply by 1 130 To convert to Capacities at 5 PSIG Settings Multiply by 0 879 PIPE OR TUBING LENGTH FEET NOMINAL PIPE SIZE SCHEDULE 40 TUBING SIZE O D TYPE L Propane Gas Pipe Sizing ELECTRICAL WIRING THERMOSTA...

Page 9: ...Stage Delay from NONE to 5 or 10 minutes This selection will cause the control to run on low stage for the selected time 5 or 10 minutes then shift to HIGH STAGE This option controls both cooling and heating modes If the jumper is not moved only low stage cool and low stage heat will operate Refer to the unit wiring diagram for electrical connections When installed the unit must be electrically gr...

Page 10: ...the unit is to operate on 208V reconnect the transformer primary lead as shown on the unit wiring diagram The induced draft blower on some models is equipped with a low speed 230V lead blue and a low speed 208V lead black If equipped connect the induced draft blower low speed 208V lead black in place of the low speed 230V lead blue Place the unused 230V lead on the PARK terminal located on ignitio...

Page 11: ...be installed without clearance However minimum unit clearances as shown in the appendix must be maintained The supply duct should be provided with an access panel large enough to inspect the air chamber downstream of the heat exchanger A cover should be tightly attached to prevent air leaks For duct flange dimensions on the unit refer to the Unit Dimension illustration in the appendix For down dis...

Page 12: ...n delay time expires the control will transition from low stage to high stage 6 The 30 second HEAT FAN ON delay time begins after the main burners light 7 The unit delivers heat to the conditioned space until the thermostat is satisfied 8 Gas valve s de energizes The induced draft blower continues operation for a 30 second post purge 9 Induced draft blower remains at low speed or switches from hig...

Page 13: ... the heat exchanger The rollout protection device is located on the burner bracket The reason for elevated temperatures at the control must be determined and repaired prior to resetting this manual reset control Secondary Limit Control The secondary limit control is located on the top of the blower scroll assembly This control opens when elevated temperatures are sensed Elevated temperatures at th...

Page 14: ...e 9 Using a leak detection solution or soap suds check for leaks at the pressure boss screw or drip leg cap Bubbles forming indicate a leak SHUT OFF GAS AND FIX ALL LEAKS IMMEDIATELY Manifold Pressure Check 1 Turn OFF gas to furnace at the manual gas shutoff valve external to the furnace 2 Turn off all electrical power to the system 3 Back outlet pressure test screw outlet pressure boss out one tu...

Page 15: ...eturn air registers as close to the unit as possible Thermometers must not be able to sample temperature directly from the unit heat exchangers or false readings could be obtained 1 All registers must be open all duct dampers must be in their final fully or partially open position and the unit operated for 15 minutes before taking readings 2 The temperature rise must be within the range specified ...

Page 16: ...section into full operation The unit has a thermostatic expansion valve metering device To ensure the unit is properly charged for the intended application check the unit refrigerant sub cooling at the condenser The refrigerant sub cooling is a function of outdoor ambient temperature and return air temperature of the conditioned space It is the installing contractors responsibility to ensure the p...

Page 17: ... will repeat this routine three times if a measurable combustion is not established The control will then shut off the induced draft blower and go into a lockout state If flame is established but lost the control will energize the circulator blower at the heat speed and then begin a new ignition sequence If flame is established then lost on subsequent attempts the control will recycle the ignition...

Page 18: ...rol can be reset by removing the power supply to the unit or it will automatically reset after one hour Miswiring is the probable cause for this fault LOW FLAME SIGNAL Under some conditions the fuel or air supply can create a nearly invisible coating on the flame sensor This coating acts as an insulator causing a drop in the flame signal If the flame signal drops below a predetermined value the ig...

Page 19: ... This coating created by the fuel or combustion air supply can be removed by carefully cleaning the flame sensor with steel wool NOTE After cleaning the microamp signal should be stable and in the range of 4 6 microamps DC FLUE PASSAGES QUALIFIED SERVICER ONLY At the start of each heating season inspect and if necessary clean the unit flue passage CLEANING FLUE PASSAGES QUALIFIED SERVICER ONLY 1 S...

Page 20: ...ND FUNCTIONAL PARTS SHEET METAL ACCESSORIES Additional accessories can be purchased to fit specific application needs Parts and instructions are available from your distributor FUNCTIONAL PARTS Functional Parts List GENERAL INFORMATION 1 Refer to the description in Functional Parts List when ordering any of the listed functional parts Be sure to provide the unit model and serial numbers with the o...

Page 21: ...ndoor Outdoor Thermostat Open Cooling Only Devices Not present On All Models 9 Flashes High Pressure Loss of Charge Switch Open Cooling Only Devices Not Present On All Models Amber Light Signal Refer to Abnormal Heating or Cooling Operation Sections of this Manual Off No Flame Present On Normal Flame 1 Flash Low Flame Current 2 Flashes Flame Detected with Gas Valve De energized 90 120 150 180 Circ...

Page 22: ...UPPLY ENTRANCE CONDENSATE DRAIN CONNECTION 3 4 NPT FEMALE 16 1 8 19 1 8 EVAPORATOR CONTROL PANEL ACCESS PANEL 4 3 4 B 7 15 16 16 B 5 1 2 1 3 8 16 2 3 4 A 18 7 16 FLUE EXHAUST 51 47 BLOWER ACCESS PANEL 22 22 11 11 3 SUPPLY RETURN SUPPLY RETURN 5 3 4 5 1 4 C 20 24 DIMENSION INCHES MEDIUM LARGE A 32 40 B 16 18 C 9 1 2 14 CENTER OF GRAVITY COMBUSTION AIR INTAKE FLUE EXHAUST HOOD UNIT DIMENSIONS ...

Page 23: ...PPER CONDUCTORS ONLY 4 FOR 208V OPERATION REMOVE BLUE LEAD FROM INDUCER LOW TERMINAL MOVE BLACK LEAD FROM PARK TERMINAL ONTO INDUCER LOW TERMINAL PLACE BLUE LEAD ON PARK TERMINAL 5 USE NEC CLASS 2 WIRE FOR THERMOSTAT FIELD WIRING REPLACE CONTR OL 3 MIN COMP SHORT CYCLE DELAY COMPR SHORT CYCLE DELAY 6 FLASHES FLASHES CHECK FOR SHORTS IN FLAME SENSOR WIRING CHECK GAS VALVE CHECK ROLLOUT LIMIT SW CHE...

Page 24: ...no more than 36 3 MIN 12 MIN 12 MIN 36 MIN FOR SERVICE 48 MIN MINIMUM CLEARANCES RECOMMENDED FILTER SIZES UNIT 2 Ton 2 1 2 Ton 3 Ton 3 1 2 Ton 4 Ton Min Filter Size 1 20 x 25 x1 1 25 x 25 x 1 1 25 x 25 x 1 2 20 x 20 x 1 2 20 x 20 x 1 ...

Page 25: ...990 160 1 225 259 1 390 365 0 3 840 134 54 1 150 247 52 935 167 1 180 274 1 355 369 0 4 775 146 58 1 095 256 55 875 179 1 130 280 1 300 383 0 5 710 152 63 1 045 263 57 820 186 1 085 293 1 260 396 0 6 650 160 X 990 277 61 755 194 1 030 295 1 210 402 0 7 590 163 X 935 285 64 700 197 975 304 1 160 397 0 8 540 171 X 870 288 X 650 214 920 315 1 110 415 CFM WATTS RISE CFM WATTS RISE CFM WATTS CFM WATTS ...

Page 26: ...D SERVICER ONLY Your package unit should be inspected by a qualified installer or service agency at least twice every year This check should be performed before the heating and cooling seasons begin This will ensure that adequate combustion air is being drawn and the vent system is working properly Particular attention should be paid to the following items Repair as necessary Check physical suppor...

Page 27: ...alignment per installation instruct ions Check refrigerant piping for rubbing and leaks Repair if necessary Check unit wiring to ensure it is not in contact with refrigerant piping or sharp metal edges Check all electrical connections and terminals Tighten as needed Verify that the crankcase heaters have been energized for 24 hours Verify the scroll compressor s are rotating in the right direct io...

Page 28: ... Amps Condenser Fan Amps ELECTRICAL Total External Static Pressure Blower Wheel RPM TEMPERATURES Outdoor Air Temperature Return Air Temperature Cooling Supply Air Temperature Discharge Circuit 1 Heating Supply Air Temperature PRESSURES Gas Inlet Pressure Gas Manifold Pressure Suction Circuit 1 Suction Circuit 2 Discharge Circuit 2 Superheat Orifice System Superheat Orifice System Subcooling TXV Sy...

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