5322625-UIM-A-04172 Johnson Controls Unitary ProductsDue to system pressure, moving parts, and electrical components,installation and servicing of air conditioning equipment can be hazard-ous. Only qualified, trained service personnel should install, repair, orservice this equipment. Untrained personnel can perform basic mainte-nance functions of cleaning coils and filters and replacing filters.Observe all precautions in the literature, labels, and tags accompanyingthe equipment whenever working on air conditioning equipment. Besure to follow all other applicable safety precautions and codes includ-ing ANSI Z223.1 or CSA-B149.1- latest edition.Wear safety glasses and work gloves. Use quenching cloth and have afire extinguisher available during brazing operations.INSPECTIONAs soon as a unit is received, it should be inspected for possible dam-age during transit. If damage is evident, the extent of the damageshould be noted on the carrier’s freight bill. A separate request forinspection by the carrier’s agent should be made in writing.SECTION III: MODEL NUMBER NOMENCLATURESECTION IV: INSTALLATIONINSTALLATION SAFETY INFORMATIONRead these instructions before continuing this appliance installation.This is an outdoor combination heating and cooling unit. The installermust assure that these instructions are made available to the consumerwith instructions to retain them for future reference.1. Refer to the unit rating plate for the approved type of gas for thisproduct.2. Install this unit only in a location and position as specified on Page4 of these instructions.CAUTIONThis product must be installed in strict compliance with the installa-tion instructions and any applicable local, state, and national codesincluding, but not limited to building, electrical, and mechanicalcodes.WARNINGBefore performing service or maintenance operations on unit, turn offmain power switch to unit. Electrical shock could cause personalinjury. Improper installation, adjustment, alteration, service or mainte-nance can cause injury or property damage. Refer to this manual.For assistance or additional information consult a qualified installer,service agency or the gas supplier.WARNINGIf the information in this manual is not followed exactly, a fire orexplosion may result causing property damage, personal injury orloss of life.Do not store or use gasoline or other flammable vapors and liquids inthe vicinity of this or any other appliance.WHAT TO DO IF YOU SMELL GAS:1. Do not try to light any appliance.2. Do not touch any electrical switch; do not use any phone inyour building.3. Immediately call your gas supplier from a neighbor’s phone.Follow the gas supplier’s instructions.4. If you cannot reach your gas supplier, call the fire depart-ment.Installation and service must be performed by a qualified installer,service agency or the gas supplier.!!!CAUTIONThis system uses R-410A Refrigerant which operates at higher pres-sures than R-22. No other refrigerant may be used in this system.Gage sets, hoses, refrigerant containers and recovery systems mustbe designed to handle R-410A. If you are unsure, consult the equip-ment manufacturer. Failure to use R-410A compatible servicingequipment may result in property damage or injury.!PHG 4 A 24 50 2 X 1 A1 2 3 4 5 6 7 8 91. Model FamilyPHG - packaged heat pump with gas heat,PCG - packaged A/C with gas heat,PCE - packaged A/C with electric heat,PHE - packaged heat pump with electric heat5. Gas Heating Input BTU/Hr x 1000050 = 50,000 BTU/Hr. input, blank = electric heat6. Voltage-Phase-Frequency2 = 208/230-1-60, 3=208/230-3-60, 4 = 460-3-602. Nominal Cooling Efficiency4 = 14 SEER, 6 = 16 SEER, etc.7. NOx ApprovalX = low-NOx, blank = not low-Nox3. Cabinet SizeA = small 35 x 51, B = large 45 x 518. Generation Level1 = first generation4. Nominal Air Conditioning Cooling Capacity BTUx100024 = 24,000 BTU, etc.9. Revision LevelA = original release, B = second releaseExamples:PHG4B421002X1A is a dual fuel, 14 SEER, 3-1/2 ton, large cabinet, single-stage heat, 100,000 BTU gas heat, 230 volt, single phase, low-NOxmodel (first generation, first release)WARNINGFIRE OR EXPLOSION HAZARDFailure to follow the safety warning exactly could result in seriousinjury, death or property damage.Never test for gas leaks with an open flame. Use a commerciallyavailable soap solution made specifically for the detection of leaks tocheck all connections. A fire or explosion may result causing propertydamage, personal injury or loss of life.!