Page 2 - Compressor Replacement; Stand dear of com; A CAUTION; SAFETY REMINDERS; Do not use; System Cleaning/Flushing
1 Compressor Replacement — Stand dear of com pressor terminals when working on compressors. With sys tem under pressure, terminals may blow. Observe the same .safety procedures for rotary compressors as for reciprocating compressors. When changing compressors: 1. Follow all safety codes. Reminder...
Page 3 - Table 1 — Physical and Electrical Data (Single Phase, 60 Hz) — 1993; Table 2 — Compressors
Table 1 — Physical and Electrical Data (Single Phase, 60 Hz) — 1993 MODEL 73 CASING (See Table 6) CAPACITY (Btuh)* R-22 CHG (oz. ± .05) WET BULB AtF NAMEPLATE Cooling Heating Volts Voltage Range Amps Watts EER (DOE) PF (%) Cool Heat Cool Heat XHA101D 305 9,100 5,200 29 5 103 115 127-104 9.0 16 1 102...
Page 5 - WARNING; UNIT; CAUTION
DISASSEMBLY INFORMATION A WARNING Before working on any air conditioner, be sure to first disconnect all electric power to unit to avoid the pos sibility of electrical shock and personal injury. _________ Models 73X,Y Room Air Conditioners have the follow ing characteristics; UNIT FUNCTION CASING ...
Page 6 - Fig. 6 — Removing Escutcheon
7. Carefully pull control box straight out from unit. 8. On right side and bottom of control box, manually dis engage removable sheet metal panel to access control box components. See Fig. 8. See Fig. 9 for control box components. 9. Reverse above procedure for reassembly, taking care not to pinch ...
Page 7 - Fig. 12 — Removing Capacitor Strap Screw
Thermostat Bulb Heater Removal — Use care not to damage sensing bulb or capillary of thermostat whenhandling bulb heater. See Fig. 7. 1. Slide out control box. Refer to Control Box Removal instructions, page 5. 2. Carefully disconnect bulb heater wires from terminals Inside control box. Label wires ...
Page 8 - disconnect indicator
P Indicator Light Removal (Models 73YCA213P and 73YCA243P Only) 1 2 . Slide out control box. Refer to Control Box Removal instructions, page 5. Carefully disconnect indicator light wires (Fig. 9 and 13) from termination connections. Label wires to aid in reassembly. 3. Remove light by pulling straig...
Page 9 - Fig. 14 — Removing Chassis; Fig. 15 — Unit Chassis
TOP GUSSET SCREW SECURING EVAP SCROLL TO EVAP TUBE SHEET Fig. 14 — Removing Chassis COMPRESSOR TERMINAL COVER EVAPORATOR COIL EVAPORATOR SCREW {1 OF 2) BASEPAN CONDENSER EVAPORATOR-" POWER PARTITION ORIFICE SCREW SCREW (1 OF 2) CORD SCREWS (2) (1 OF 4) NOTES:1 Second condenser coil screw is ioca...
Page 13 - SERVICE POINTS
SERVICE POINTS (Check Annually) 1 . 3. 5. Clean evaporator and condenser coils. Indoors — Use a hooked wire or bristle brush to re move dirt from fins.Outdoors — Use compressed air or a vacuum cleaner. Clean basepan and other painted surfaces. Clean all drain passages. Clean motor and fans. Vacuum ...
Page 14 - TROUBLESHOOTING
TROUBLESHOOTING SYMPTOM AND PROBABLE CAUSE PROBABLE REMEDY COMPRESSOR DOES NOT RUN Opening in Power Circuit1. Controi off2. Biown fuse 3. Defective wiring 4. Defective service cord 5. Loose eiectricai connections 6. Faulty switches, thermostat, or fan 1 Reset control button 2. Replace fuse. 3 Replac...