Goodman [A/G]PG, Service Instructions Manual

Page 1: ...low ANSI Z21 47 CSA 2 3 Service Instructions A G PG PACKAGEGAS This manual is to be used by qualified professionally trained HVAC techni cians only Goodman does not assume any responsibility for prope...

Page 2: ...ATIONLINE AMANA BRANDPRODUCTS TOLL FREE 1 877 254 4729 U S only email us at hac consumer affairs amanahvac com fax us at 931 438 4362 Not a technical assistance line for dealers Outside the U S call 1...

Page 3: ...ng hermetic compressor electrical terminals may cause dangerous system venting In either of these instances an electrical short between the terminal and the compressor housing may result in the loss o...

Page 4: ...6 000 BTUH 070 69 000 BTUH 090 92 000BTUH 115 115 000BTUH 140 138 000BTUH Voltage 1 208 230V 60Hz 1ph 3 208 230V 60Hz 3ph 4 460V 60 Hz 3ph Product Type Single Package Cooling Heating Product Family G...

Page 5: ...AC Amana Goodman Package Gas 13 Seer gas electric units Sound improvements Change condenser motor and blade A GPG1342 1AB Amana Goodman Package Gas 13 Seer gas electric units Sound improvements Change...

Page 6: ...nician to inspect has been under water Immediately call D Do not use this appliance if any part tools If the gas control switch or knob control switch or knob Never use C Use only your hand to move th...

Page 7: ...d 25 Fresh Air Damper Downflow Application Small and Medium Chassis PGMDMD103 Motorized 25 Fresh Air Downflow Application Large Chassis PGMDMH101 Motorized 25 Fresh Air Damper Horizontal Application S...

Page 8: ...CURBS Filter Size 14 x 25 x 2 Measurement in inches 26 1 2 14 25 3 2 1 1 2 DOWNFLOW FILTER RACK PGFR101 102 103 MODEL A B C RETURN SUPPLY PGC101 102 103 46 1 4 39 3 8 14 1 2 12 1 2 x 23 15 x 22 1 2 NO...

Page 9: ...25 x 1 PGEH103 35 1 4 18 1 8 18 18 1 4 16 1 8 16 x 25 x 1 ECONOMIZER HORIZONTAL APPLICATIONS B A F D C E MODEL A B C D E F PGED101 102 20 16 1 4 16 23 1 2 12 1 2 45 3 4 PGED103 20 16 1 4 18 23 1 2 12...

Page 10: ...0 12 1 8 6 1 A B 5 3 4 5 3 4 A B B A BOTTOM VIEW BOTTOM VIEW PGMDD103 PGMDD101 102 11 7 8 11 7 8 MODEL A B PGMDD101 102 16 16 PGMDD103 18 16 MODEL A B PGMDMD101 102 16 16 PGMDMD103 18 16 MANUAL MOTORI...

Page 11: ...14 3 4 12 1 4 14 3 4 22 3 4 22 1 4 MODEL A B C D RETURN SUPPLY SQRPG101 102 22 3 4 12 1 4 22 1 4 14 3 4 16 16 SQRPG103 22 3 4 12 1 4 22 1 4 14 3 4 18 18 A C B SQUARE TO ROUND CONVERTER HORIZONTAL APP...

Page 12: ...THE CURB PRIOR TO INSTALLING THE UNIT Refer to Roof curb Installation Instructions for proper curb in stallation Curbing must be installed in compliance with the National Roofing Contractors Associati...

Page 13: ...croll is an involute spiral which when matched with a mat ing scroll form as shown generates a series of crescent shaped gas pockets between the two members During compression one scroll remains stati...

Page 14: ...wiring is the smallest fuse or breaker which will hold the equipment on line during normal operation without nuisance trips Such a device will provide maximum circuit protection All line voltage conn...

Page 15: ...F PIPE IN CUBIC FEET OF GAS PER HOUR CFH LENGTH OF PIPE IN FEET NOMINAL BLACK PIPE SIZE 1 2 3 4 1 1 1 4 1 1 2 10 132 278 520 1050 1600 20 92 190 350 730 1100 30 73 152 285 590 980 40 63 130 245 500 76...

Page 16: ...o detect a propane gas leak could result in an explosion or fire which could cause serious personal injury or death All propane gas equipment must conform to the safety stan dards of the National Boar...

Page 17: ...303 2 205 3 394 1 843 3 854 40 265 599 1 115 1 887 2 904 1 577 3 298 50 235 531 988 1 672 2 574 1 398 2 923 60 213 481 896 1 515 2 332 1 267 2 649 70 196 446 824 1 394 2 146 1 165 2 437 80 182 412 76...

Page 18: ...41 4 F A few of the important principles that make the refrigeration cycle possible are heat always flows from a warmer to a cooler body under lower pressure a refrigerant will absorb heat and vapori...

Page 19: ...trictor Orifice Assembly in Cooling Operation In the cooling mode the orifice is pushed into its seat forcing refrigerant to flow through the metered hole in the center of the orifice Either a thermos...

Page 20: ...ion device which auto matically lights the burners DO NOT light burners by any other method 6 Turn the gas control valve to the OFF position Do not force Some Gas valves may have a different off on st...

Page 21: ...r Thermostat ON OFF ON OFF ON OFF Legend APG GPG 10 12 24 60 PG1324 42 APG GPG 1348 60 100 50 0 15 22 45 52 0 29 120 135 150 Circulator Blower On Off Seconds Gas Valve Igniter Induced Draft Blower The...

Page 22: ...per instrumentation check gas inlet and manifold pressures burner flame and micro amp signal Adjust if necessary 10 Start the system and run a Heating Performance Test If the results of the test are n...

Page 23: ...0 1000 44 41 82 164 409 19 47 95 189 379 947 45 20 40 80 160 400 20 45 90 180 360 900 46 78 157 391 21 43 86 171 343 857 47 19 38 76 153 383 22 41 82 164 327 818 48 75 150 375 23 39 78 157 313 783 49...

Page 24: ...hes water column from 3 5 inches water column for natural gas or 10 inches water column for propane gas To adjust the pressure regulator on the gas valve turn down clockwise to increase pressure and i...

Page 25: ...l And Contacts S 7 Open Control Circuit Test Control Circuit with Voltmeter S 4 Low Voltage Test Voltage S 1 Faulty Evap Fan Motor Repair or Replace S 16A Shorted or Grounded Fan Motor Test Motor Wind...

Page 26: ...me Sensor Test Flame Sensor S 314 Faulty Ignition Control Test Control S 313 Gas Valve or Gas Supply Shut Off Turn Valves to On Position S 304 Faulty Induced Draft Blower Test Blower S 303 Dirty Flame...

Page 27: ...7C UnloaderTetProcedure 37 S 17D OperationTest 38 S 18 Testing Crankcase Heater optional item 38 S 100 RefrigerationRepairPractice 38 S 101 LeakTesting 38 S 102 Evacuation 39 S 103 Charging 40 S 104 C...

Page 28: ...ing the Locked Rotor Volt age 6 Voltmeter should read within the voltage tabulation as shown If the voltage falls below the minimum voltage check the line wire size Long runs of undersized wire can ca...

Page 29: ...3B Cooling Anticipator The cooling anticipator is a small heater resistor in the ther mostat During the off cycle it heats the bimetal element helping the thermostat call for the next cooling cycle T...

Page 30: ...coil terminals If the coil does not test continuous replace the relay or con tactor S 8 CHECKING CONTACTOR CONTACTS SINGLE PHASE 1 Disconnect the wire leads from the terminal T side of the contactor 2...

Page 31: ...verheat the capacitor and burn out the compressor windings These capacitors have a 15 000 ohm 2 watt resistor wired across its terminals The object of the resistor is to discharge the capacitor under...

Page 32: ...nt 1 Disconnect the 5 pin connector from the motor 2 Using a volt meter check for line voltage at terminals 4 and 5 at the power connector If no voltage is present proceed to step 3 If voltage is pres...

Page 33: ...OFF prior to repair Wait 5 minutes after disconnecting power before opening motor Handle electronic motor control with care Motor rocks but won t start Loose motor mount Blower wheel not tight on mot...

Page 34: ...wer OFF prior to repair Wait 5 minutes after disconnecting power before opening motor Handle electronic motor control with care Blower won t shut off Current leakage from controls into G Y or W Check...

Page 35: ...Use authorized motor and control model s for replacement Replace one motor or control model with another unless an authorized replacement Keep static pressure to a minimum Use high pressure drop filte...

Page 36: ...ng potentially severe or fatal injury to anyone in its path This discharge can be ignited external to the compressor if the terminal cover is not properly in place and if the discharge impinges on a s...

Page 37: ...500 volts check for a ground sepa rately between each of the three leads and ground such as an unpainted tube on the compressor Do not use a low voltage output instrument such as a volt ohmmeter 3 If...

Page 38: ...somewhere else in the system B If the compressor fails to start replace S 18 TESTING CRANKCASE HEATER The crankcase heater must be energized a minimum of four 4 hours before the package unit is operat...

Page 39: ...eak test refrigerant S 102 EVACUATION This is the most important part of the entire service procedure The life and efficiency of the equipment is dependent upon the thoroughness exercised by the servi...

Page 40: ...ates for the correct refrigerant charge An inaccurately charged system will cause future problems 1 Using a charging scale allow liquid refrigerant only to enter the high side 2 After the system will...

Page 41: ...ted liquid line or drier A restriction will be indicated by a temperature drop across the drier 2 Check the operation of the power element of the valve as described in S 110 Checking Expansion Valve O...

Page 42: ...ifice restriction device flowrator used in conjunc tion with the indoor coil is a predetermined bore I D It is designed to control the rate of liquid refrigerant flow into an evaporator coil The amoun...

Page 43: ...s not indicated an overcharge or a sys tem containing non condensables could be the problem If overcharging is indicated 1 Start the system 2 Remove small quantities of gas from the suction line dill...

Page 44: ...Using a draft gauge inclined manometer measure the static pressure of the return duct at the inlet of the unit Negative Pressure RETURN SUPPLY INCLINED MANOMETER Total External Static 2 Measure the s...

Page 45: ...alve is de energized Power to the thermostat R is removed while the limit switch is open When the limit switch re closes the induced draft motor runs through its post purge and the indoor blower goes...

Page 46: ...ition attempt and ignition will fail The ignition control will make two additional ignition attempts and lock out due to failed ignition The diag nostic LED will flash an error code of 1 to indicate t...

Page 47: ...ure regulation and 100 percent safety shut off 1 Ensure gas valve and main gas supply are on 2 Using a voltmeter check for 24 volts to gas valve 3 If 24 volts are present and no gas flows through the...

Page 48: ...t or entraining of primary air making it difficult to adjust the flame properly This same problem can occur if an orifice spud of a different length is substituted 1 Check orifice visually for distort...

Page 49: ...motor inlet to detect a partial or blocked flue Pressure Switch Operation DSI Direct Spark System The pressure switch is ignored unless there is a call for heat When the control receives a call for he...

Page 50: ...48 58 49 58 CANADA BURNER ORIFICE 45 55 48 57 2000 3000 4000 4500 5000 6000 7000 8000 U S BURNER ORIFICE 44 55 44 55 45 56 45 56 46 57 47 58 47 58 CANADA BURNER ORIFICE 44 55 47 57 2000 3000 4000 4500...

Page 51: ...The flash rate is 0 25 seconds on 0 25 seconds off with a 2 second pause between codes S 314 CHECKING FLAME SENSOR A flame sensing device is used in conjunction with the ignition control module to pr...

Page 52: ...ITE ENTHALPY CONTROL 2 1 3 50F 1K RELAY 1K RELAY COIL A B Y2 Y1 MULTI STAGE T STAT GMC CHT90 120 OR EQUIVALENT 1K RELAY CONTACTS 6 4 TR 1 T 1 P 1 P TR R W B T JUMPER BARBER COLEMAN AD 931 105 POTENTIO...