Carrier 38ED User Manual

Number One Ar Conditioning MakerOccInstallation, Start-Up " and Service InstructionsCarrier Parkway • Syracuse, N Y 13221Air-Cooled Condensing

COMPRESSOR INTERNAL TEMPERATURE AND/OR CURRENT SENSITIVE OVERLOADS reset automatically when motor internal temperatures drop to a safe

1. Shut off power to unit.2. Remove louvered casing by taking out 16 screws securing it to the cabinet and sliding it away from the coil.3. Clean

TROUBLESHOOTING GUIDESYMPTOM AND PROBABLE CAUSEPROBABLE REMEDYCOMPRESSOR SHUTS OFF, FAN OVERLOAD OR HIGH-PRESSURE SWITCH CUT OUT, OR INTERNAL PRESSURE

4'-0" OVERHEAD SPACE REQUIRED FOR SERVICE AND AIRFLOWTable 1 — Physical Data (Refer to Fig. 1)l-t DIAM HOLE FOR POWER WIRINGLIQUID VALV

When 1-1/8 in. tubing is used (38ED036,042, 048,060) braze it to the accessory 1-1/8 x 3/4-in. suction connection adapter (Carrier P

See Fig. 4 and install as follows:1. Remove coil liquid line cap and discard.2. Attach field-supplied flare fittings to solenoid valve straight 3/8-

THERMOSTAT SUBBASE HH93AZ042 OR HH93AZ040TRANSARRANGEMENT A — COOLING ONLYTHERMOSTAT SUBBASE HH93AZ042 OR HH93AZ040TRANS-------1-A JARRANGEMENT B — ON

See Table 4 for recommended wire and fuse sizes. When making electric connections, provide clearance at unit for refrigerant piping connec

Table 5 — Refrigerant Charging MethodsMODELMETHODS OF CHECKING OR ADJUSTING CHARGEMETHODS FOR COMPLETE RECHARGING38EDSystem Refrigerant ControlSystem

actual suction line temperature (step 6) is higher than table value, the system is undercharged. If suction line temperature is lower

Table 8 — Compressor DataMODEL38EDPRODUCTIONCOMPRESSOR*OIL CHARGE (oz)tInitial Recharge018AB5515H3230024CRC-155 51030CRE-15551036 AV5532H 54 50042AV55