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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
Improperinstallation,adjustment,alteration,service,maintenance,
or use can cause explosion, fire, electrical shock, or other
conditions which may cause personal injury or property damage.
Consultaqualifiedinstaller,serviceagency,oryourdistributoror
branch for information or assistance. The qualified installer or
agency
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2. Ensurethatvaporandliquidtubediametersareappropriateto PISTON
RETAINER capacity of unit. (See Table 1) PISTON
3. Run refrigerant tubes as directly as possible by avoiding RING unnecessary turns and bends. PISTON PISTON
4. Leave some slack between structure and unit to absorb BODY vibration. 5. When passing refrigerant tubes through wall, seal opening with RTV or other pliable silicon-based caulk. (See Fig. 3.) 6. Avoid direct lineset contact with water pipes, ductwork, floor joists, wall st
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R - 4 1 0 AIR DISCHARGE AIR IN 3 /8" DIA TIEDOWN KNOCKOUTS
(2) PLACES IN BASEPAN NOTES: 1. Allow 30 in. (762 mm) clearance to service end of
unit, 48 in. (1219 mm) above unit, 6 in. (152 mm) on one side, 12 in. (305 mm)
on remaining side, and 24 in. (610 mm) between
units for proper airflow.
AIR IN D 2. Minimum outdoor operating ambient in cooling mode is
C L 55° F (12.8° C) (unless low ambient control is used) max 125° F (51.7° C).
5. Series designat
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Step 7—Refrigerant Tubing Connect vapor tube to fitting on outdoor unit vapor service valve The cabinet must have an uninterrupted or unbroken ground and connect liquid tube to filter drier. (See Fig. 5.) according to NEC, ANSI/NFPA 70-1996, or local codes to minimize personal injury if an electrical fault should occur. This may consist of electrical wire or conduit approved for A brazing shield MUST be used when tubing sets are being electrical ground when installed in accordance with existing
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5. Factory charge and superheat charging method are shown on unit information plate. (See Fig. 4.) R-410A refrigerant Do not vent refrigerant to atmosphere. Recover for system cylinders contain a dip tube which allows liquid refriger- repair or final unit disposal. 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 CARE AND MAINTENANCE refrigerant into suction-line. For continuing hig
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CORPORATE NON-PROGRAMMABLE CORPORATE FA, FB, FC, THERMOSTAT FD, FF AIR NON-PROGRAMMABLE MODEL AC FAN COIL CONDITIONER THERMOSTAT SINGLE AIR STAGE 24 VAC HOT R R MODEL AC CONDITIONER FURNACE R 24 VAC HOT R 24 VAC COM C C SEE C 24 VAC COM C C NOTE 2 HEAT STAGE 1 W/W1 W2 SEE W/W1 C NOTE 2 HEAT STAGE 1 W/W1 COOL STAGE 1 Y/Y2 COOL STAGE 1 Y/Y2 Y/Y2 G INDOOR FAN G INDOOR FAN G G A94385 A94384 CORPORATE PROGRAMMABLE CORPORATE FA, FB, FC, THERMOSTAT PROGRAMMABLE FD, FF AIR SINGLE MODEL AC THERMOSTAT CON
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CORPORATE
PROGRAMMABLE
THERMOSTAT
FK4C
AIR
MODEL AC FAN COIL CONDITIONER R R 24 VAC HOT INDOOR FAN G G CORPORATE
NON-PROGRAMMABLE
THERMOSTAT
FK4C
AIR
HEAT STAGE 1 W/W1 W1 MODEL AC FAN COIL CONDITIONER R R COOL STAGE 1 Y/Y2 Y/Y2 24 VAC HOT 24 VAC COM C C NOT USED O/W2 O SEE
NOTE
HEAT STAGE 1 W/W1 NOT USED Y1/W2 Y1 W1 SEE
C C 2 NOTE
2 COOL STAGE 1 Y/Y2 W2 Y/Y2 INDOOR FAN G 24 VAC COM C C G D NOT USED B W2 H NOT USED L O COOL STAGE 1 S1 Y1 D INDOOR FAN S2 H A95502 A95503 NON-CORPORATE
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NON-CORPORATE
NON-PROGRAMMABLE
THERMOSTAT
FK4C
AIR
MODEL AC FAN COIL CONDITIONER R R 24 VAC HOT C HEAT STAGE 1 W W1 SEE
C NOTE
2 COOL STAGE 1 Y Y/Y2 INDOOR FAN G G W2 O Y1 D H A95501 Fig. 7—Typical 24-v Circuit Connections (Continued) NOTES: 1. Corporate thermostat wiring diagrams are only accurate for model numbers beginning with TSTAT_______. 2. Some units are equipped with pressure switches, temperature switch, or 5 minute compressor cycle protection. Connect 24-v field wiring to facto
