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manual abstract
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 INSTALLATIONS REQUIRING AN ADD-ON TXV KIT . . . . . . . . . . . .5 SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 EVACUATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 UNIT INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 SYSTEM CHARGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 ORIFICE INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 ELECTRICAL CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 LIST OF FIGURES Typical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Outdoor Unit Control Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Oil Trap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Typical Field Wiring (Air Handler / Electrical Heat) . . . . . . . . . . . . . . . .6 Installation of Vapor Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Thermostat Chart - Single Stage AC with PSC Air Handler . . . . . . . . .7 Underground Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Thermostat Chart - Single Stage AC with PSC Air Handler . . . . . . . . .8 Heat Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Thermostat Chart - Single Stage AC with PSC Furnace . . . . . . . . . . .9 Orifice Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Thermostat Chart - Single Stage AC with PSC Furnace . . . . . . . . . .10 LIST OF TABLES Application Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 R-22 Saturated Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 SECTION I: GENERAL The outdoor units are designed to be connected to a matching indoor coil with sweat connect lines. Sweat connect units are factory charged with refrigerant for a matching indoor coil plus 15 feet of field supplied lines. The refrigerant charge may need to be changed for some indoor-outdoor unit combinations, elevation differences or total line lengths. Refer to Application Data covering “General Piping Recommendations and Refrigerant Line Length” (Part Number 036-61920-001). SECTION II: SAFETY This is a safety alert symbol. When you see this symbol on labels or in manuals, be alert to the potential for personal injury. Understand and pay particular attention to the signal words DANGER, WARNING, or CAUTION. DANGER indicates an imminently hazardous situation, which, if not avoided, will result in death or serious injury. WARNING indicates a potentially hazardous situation, which, if not avoided, could result in death or serious injury. CAUTION indicates a potentially hazardous situation, which, if not avoided may result in minor or moderate injury. It is also used to alert against unsafe practices and hazards involving only property damage. Improper installation may create a condition where the operation of the product could cause personal injury or property damage. Improper installation, adjustment, alteration, service or mainte- nance can cause injury or property damage. Refer to this manual for assistance or for additional information, consult a qualified con- tractor, installer or service agency. This product must be installed in strict compliance with the enclosed installation instructions and any applicable local, state, and national codes including, but not limited to building, electrical, and mechanical codes. INSPECTION As soon as a unit is received, it should be inspected for possible damage during transit. If damage is evident, the extent of the damage should be noted on the carrier’s delivery receipt. A separate request for inspection by the carrier’s agent should be made in writing. See Local Distributor for more information. LIMITATIONS The unit should be installed in accordance with all National, State and Local Safety Codes and the limitations listed below: 1. Limitations for the indoor unit, coil, and appropriate accessories must also be observed. 2. The outdoor unit must not be installed with any duct work in the air stream. The outdoor fan is the propeller type and is not designed to operate against any additional external static pressure. 3. The maximum and minimum conditions for operation must be observed to ensure a system that will give maximum performance with minimum service. TABLE 1: Application Limitations Ambient Air Temperature Air Temperature on on Outdoor Coil Indoor Coil Min. DB Max. DB Min. WB Max. WB 50 °F 115 °F 57 °F 72 °F 4. The unit should not be operated at outdoor temperatures below 50° F without an approved low ambient operation accessory kit installed. 347337...