Goodman PG 15 - Manuals

6 Rooftop Installation • The unit may be installed directly on wood floors or onClass A, Class B, or Class C roof covering material. • To avoid possible personal injury, a safe, flat surface forservice personnel should be provided. R OOF C URB I NSTALLATIONS O NLY : • Sufficient structural support m...

7 RIGGING DETAILS IMPORTANT NOTE: If using bottom discharge with roof curb, ductwork should be attached to the curb prior to installing theunit. Ductwork dimensions are shown in roof curb installationinstructions. Refer to the Roof Curb Installation Instructions for proper curbinstallation. Curbing ...

8 8. The unit must be connected to the building piping by one of the following methods: • Rigid metallic pipe and fittings• S e m i r i g i d m e t a l l i c t u b i n g a n d m e t a l l i c f i t t i n g s (Aluminum alloy tubing must not be used in exteriorlocations) • Listed gas appliance connect...

9 cooling. Units which will have economizers may use thermostatswith two or three stages of cooling. All units can use single stage or multi-stage thermostats. Refer to figures later in this sectionfor wiring. The units are designed for operation on 60 hertz current and at voltages as shown on the r...

10 U NIT V OLTAGE The unit transformer is factory connected for 230V operation.If the unit is to operate on 208V, reconnect the transformerprimary lead as shown on the unit wiring diagram. The induceddraft blower on some models is equipped with a low speed230V lead (blue) and a low speed 208V lead (...

11 All ductwork exposed to the outdoors must include a weatherproofbarrier and adequate insulation.A duct system should be installed in accordance with Standardsof the National Board of Fire Underwriters for the Installation ofAir Conditioning, Warm Air Heating and Ventilating Systems.Pamphlets No. ...

12 NORMAL SEQUENCES OF OPERATION H EATING This unit is equipped with an ignition control that automaticallylights the main burner. DO NOT attempt to light the mainburners by any other method.1. Thermostat calls for low or high stage heating.2. Induced draft blower energizes for 15-second pre-purge.3...

14 With a properly designed system, the proper amount oftemperature rise will normally be obtained when the unit isoperated at rated input with the recommended blower speed.If the correct amount of temperature rise is not obtained, it maybe necessary to change the blower speed. A higher blower speed...

15 space. It is the installing contractors responsibility to ensurethe proper refrigerant sub-cooling at the condenser is adjustedfor each application. As the outdoor ambient temperaturerises the sub-cooling decreases and as the outdoor ambienttemperature lowers, the sub-cooling increases. NOTE: Pro...

17 NOTE: Some electronic thermostats also have a built-in compressor short cycle timer that may be longer than thethree minute delay given above. If you are using an electronicthermostat and the compressor has not started after threem i n u t e s , w a i t a n a d d i t i o n a l f i v e m i n u t e...

18 M AIN B URNER F LAME (Q UALIFIED S ERVICER O NLY ) Flames should be stable, soft and blue (dust may causeorange tips but must not be yellow). The flames must extenddirectly outward from the burner without curling, floating orlifting off. Check the burner flames for: 1. Good adjustment2. Stable, s...

20 HEATING TIMING CHART COOLING TIMING CHART Red Light Signal Refer to Abnormal Heating or Cooling Operation Sections of this Manual Off Internal Control Failure 1 Flash External Lockout 2 Flashes Pressure Switch Stuck Open 3 Flashes Pressure Switch Stuck Closed 4 Flashes Thermal Protection Device O...

21 COMBUSTIONAIR INTAKE EXHAUST FLUE HOOD CONTROL WIRE ENTRANCE POW ER WIRE ENTRANCE 7 7/8 7 5/16 SUCTION/LIQUID PRESSURE PORTS BEHIND COMPRESSOR ACCESS PANEL HEAT EXCHANG E ACCESS PANEL GAS SUPPLY ENTRANCE CONDENSATE DRAIN CONNECTION 3/4" NPT FEMALE 16 1/8 19 1/8 EVAPORATOR/CONTROL PANEL ACCESS...

22 *PG15*****41A* WIRING DIAGRAM HIGH VOLTAGE! D ALL . M . F . ISCONNECT POWER BEFORE SERVICING ULTIPLE POWER SOURCES MAY BE PRESENT AILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date...

26 - 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 / 4 Ton 5 Ton Min. Filter Size (1)20 x 20 x 1 (1)20 x 25 x 1 (1)25 x 25 x1 (2)20 x 20 x 1 (...

27 BLOWER PERFORMANCE DATA X = Outside of Temperature Rise Range - Not Recommended. NOTE: The shaded area indicates ranges in excess of maximum external static pressure allowable when heating. For satisfactory operation, external static pressure should not exceed 0.5" w.c. CFM W ATTS RISE CFM W ...

28 PACKAGE UNITS - DUAL FUEL & GAS HOMEOWNER’S ROUTINE MAINTENANCE RECOMMENDATIONS We strongly recommend a bi-annual maintenance checkup be performed by a qualified service agency before the heating and cooling seasons begin. R EPLACE OR C LEAN F ILTER IMPORTANT NOTE: Never operate unit without ...