Carrier 38TXA- Manuals

existing R-22 TXV must be replaced with a factory-approved TXVspecifically designed for R-410A. To replace an R-22 TXV seeaccessory kit instructions. NOTE: FK4 fan coils are equipped with an R-22 TXV. If an FK4 fan coil is used with an R-410A air conditioner, the R-22 TXVmust be replaced. Step 4—Ins...

In some cases noise in the living area has been traced to gaspulsations from improper installation of equipment. OUTDOOR UNITS CONNECTED TO FACTORY-APPROVEDINDOOR UNITS — Outdoor unit contains correct system refrig-erant charge for operation with tested indoor unit listed in presaleliterature when c...

Step 7—Refrigerant Tubing Connect vapor tube to fitting on outdoor unit vapor service valveand connect liquid tube to filter drier. (See Fig. 5.) A brazing shield MUST be used when tubing sets are beingbrazed to the service valves to prevent damage to the paintedunit surface. Relieve pressure and re...

existing R-22 TXV must be replaced with a factory-approved TXVspecifically designed for R-410A. To replace an R-22 TXV seeaccessory kit instructions. NOTE: FK4 fan coils are equipped with an R-22 TXV. If an FK4 fan coil is used with an R-410A air conditioner, the R-22 TXVmust be replaced. Step 4—Ins...

In some cases noise in the living area has been traced to gaspulsations from improper installation of equipment. OUTDOOR UNITS CONNECTED TO FACTORY-APPROVEDINDOOR UNITS — Outdoor unit contains correct system refrig-erant charge for operation with tested indoor unit listed in presaleliterature when c...

Step 7—Refrigerant Tubing Connect vapor tube to fitting on outdoor unit vapor service valveand connect liquid tube to filter drier. (See Fig. 5.) A brazing shield MUST be used when tubing sets are beingbrazed to the service valves to prevent damage to the paintedunit surface. Relieve pressure and re...