Goodman Mfg CONDENSING AC UNIT SINGLE / THREE PHASE AIR CONDITIONERS User Manual

CONDENSING AC UNITSINGLE / THREE PHASE AIR CONDITIONERSINSTALLATION & SERVICE REFERENCE© 2010-2012 Goodman Manufacturing Company, L.P.5151 San Fel

10Troubleshooting InformationFor detailed service information refer to the Remote Condensing Unit Service manual.ComplaintUnsatisfactory CoolingPOSSIB

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12SPLIT SYSTEMSAIR CONDITIONING AND HEAT PUMP HOMEOWNER’S ROUTINE MAINTENANCE RECOMMENDATIONSWe strongly recommend a bi-annual maintenance checkup be

Important Safety InstructionsThe following symbols and labels are used throughout thismanual to indicate immediate or potential safety hazards. It is

2Use field-supplied spreader bars when lifting the unit to mini-mize the possibility of lifting cable/straps damage. To protectthe cabinet louvers, us

3To avoid possible explosion, use only returnable (notdisposable) service cylinders when removing refrig-erant from a system. • Ensure the cylinder i

4Refrigerant Line ConnectionsNOTICETHIS UNIT IS SHIPPED WITH A NITROGEN/HELIUM HOLDING CHARGE ONLY. UNIT MUST BE EVACUATED AND CHARGED PER INSTALLATI

55000450040003500300025002000150010005000 1 2 3 4 5 6 7 8 910LEAK(S)PRESENTMINUTESVACUUM IN MICRONSCOND

6Example:A 7 ½ Ton unit is to be installed. The distance from the building to the unit is 75’. Calculate the minimum wire size assuming no more than 2

7For the 7-1/2 ton unit starting charge should be 15 lb of R-22and 18 lbs for the 10 ton unit. The length of line set, indoor unitairflow, condensing

2Installation ClearancesSpecial consideration must be given to location of the con-densing unit(s) in regard to structures, obstructions, other units,

8TROUBLESHOOTING ANALYSIS TABLECOMPLAINT PROBABLE CAUSE REMEDY1. Excessive charge of refrigerant in system. 1. Purge or pump-down excessive charge.2.

3Use only refrigerant grade (dehydrated and sealed) copper tub-ing to connect the condensing unit with the indoor evaporator.After cutting the tubing,

4Refrigerant Line ConnectionsNOTICETHIS UNIT IS SHIPPED WITH A NITROGEN/HELIUMHOLDING CHARGE ONLY. UNIT MUST BE EVACUATEDAND CHARGED PER INSTALLATION

5NOTICETHIS UNIT IS SHIPPED WITH A NITROGEN/HELIUMHOLDING CHARGE ONLY. UNIT MUST BE EVACUATEDAND CHARGED PER INSTALLATION INSTRUCTIONSWITH REFRIGERAN

6Local codes often require a disconnect switch located near theunit; do not install the switch on the unit. Refer to the installa-tion instructions s

7Charge VerificationREFRIGERANT UNDER PRESSURE! • Do not overcharge system with refrigerant.• Do not operate unit in a vacuum or at negative pres- su

8LIQUID PRESSURESATURATED LIQUID TEMPERATURE ºFPSIG R-22 200 101210 105220 108225 110235 113245 116255 119265 121275 124285 127295 130305 133325 13

9Fixed OrificeCAUTIONTo prevent personal injury, carefully connect and disconnectmanifold gauge hoses. Escaping liquid refrigerant can causeburns. Do