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A good user manual
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Table of contents for the manual
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Page 1
38TXA 13.0 SEER Air Conditioner With R-410A Installation and Start-Up Instructions NOTE: Read the entire instruction manual before starting the installation. SAFETY CONSIDERATIONS Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock, or other conditions which may cause personal inju[...]
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Page 2
existing R-22 TXV must be replaced with a factory-approved TXV specifically designed for R-410A. To replace an R-22 TXV see accessory 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 TXV must be replaced. Step 4—Install AccuRater® Piston and Ring ACCURATER PI[...]
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Page 3
In some cases noise in the living area has been traced to gas pulsations from improper installation of equipment. OUTDOOR UNITS CONNECTED TO FACTORY-APPROVED INDOOR UNITS — Outdoor unit contains correct system refrig- erant charge for operation with tested indoor unit listed in presale literature when connected by 15 ft of field-supplied or facto[...]
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Page 4
Step 7—Refrigerant Tubing Connect vapor tube to fitting on outdoor unit vapor service valve and connect liquid tube to filter drier. (See Fig. 5.) A brazing shield MUST be used when tubing sets are being brazed to the service valves to prevent damage to the painted unit surface. Relieve pressure and recover all refrigerant before system repair or[...]
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Page 5
5. Factory charge and superheat charging method are shown on unit information plate. (See Fig. 4.) R-410A refrigerant cylinders contain a dip tube which allows liquid refriger- ant to flow from cylinder in upright position. Charge R-410A units with cylinder in upright position and a commercial-type metering device in manifold hose. Charge refrigera[...]
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Page 6
Fig. 7—Typical 24-v Circuit Connections A94386 C G R C O/W2 Y/Y2 W/W1 G R 24 VAC HOT INDOOR FAN HEAT STAGE 1 COOL STAGE 1 NOT USED NOT USED CORPORATE PROG RAMMABL E THERMOSTAT MODEL AC SEE NOTE 2 24 VAC COM NOT USED NOT USED OPTIONAL OUTDOOR SENSOR CONNECTION Y1/W2 S2 S1 L B C AIR CONDITIONER SINGLE STAGE FURNACE Y/Y2 W/W1 A94384 G W/W1 C R C G Y[...]
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Page 7
Fig. 7—Typical 24-v Circuit Connections (Continued) A95282 G W2 C R FAN COIL C G Y W R 24 VAC HOT HEAT STAGE 1 COOL STAGE 1 INDOOR FAN AIR CONDITIONER SEE NOTE 2 FA, FB, FC, FD, FF NON-CORPORATE NON-PROGRAMMABLE THERMOSTAT MODEL AC A95502 C 24 VAC HOT CORPORATE NON-PROGRAMMABLE THERMOSTAT MODEL AC FK4C FAN COIL AIR CONDITIONER HEAT[...]
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Page 8
Fig. 7—Typical 24-v Circuit Connections (Continued) A95501 R C 24 VAC HOT NON-CORPORATE NON-PROGRAMMABLE THERMOSTAT MODEL AC FK4C FAN COIL AIR CONDITIONER HEAT STAGE 1 COOL STAGE 1 INDOOR FAN SEE NOTE 2 G Y/Y2 W1 C Y W O W2 D H Y1 G R Fig. 8—Typical 24-v Circuit Connections Legend A95500 24 VOLT FACTORY WIRING 24 VOL[...]