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i <br /> i and piping, and a full refrigerant charge (R-22). <br /> 2 <br /> 3 B. Front Panel (supplied with unit) and Wall Sleeve: <br /> a <br /> 5 Wall sleeve and front panel shall be of polymeric material. Front panel to have louvers in <br /> s front surface. <br /> ' 7 <br /> e C. Fans and Motor: <br /> 9 <br /> ' 10 1. Evaporator fan shall be single-inlet squirrel cage blower with a corrosion resistant <br /> 11 finish, discharging air upwards. Fan shall be dynamically balanced. <br /> 12 <br /> 13 2. Condenser fan shall be a propeller type with corrosion resistant finish, discharging air <br /> ' 14 out of the rear of the unit, and shall be dynamically balanced. <br /> 15 <br /> 18 3. Motor shall be totally enclosed, permanently lubricated and multiple speed. <br /> 1 <br /> 18 <br /> D. Compressor: <br /> 19 <br /> 20 The compressor shall be fully hermetic with internal and external vibration isolation. <br /> 21 <br /> 22 E. Coils: <br /> 23 <br /> 24 The coils shall have aluminum plate fins mechanically bonded to seamless copper tubes <br /> 25 internally enhanced (grooved) with all joints brazed. <br /> 28 <br /> 27 F. Refrigerant Components: <br /> 23 <br /> 29 All piping, compressor and expansion device shall be included. <br /> 30 <br /> 31 G. Controls and Safeties: <br /> 32 <br /> 33 1. Controls shall consist of push-button OFF/FAN HEAT/COOL selector switch, adjustable <br /> 34 thermostat with upper and lowe limits, VENT OPEN CLOSE and FAN CYCLE switches. <br /> 35 Additional controls for heat pumps include coil defrost thermostat and adjustable <br /> 38 outdoor temperature thermostat. <br /> 37 <br /> 38 2. Safeties for compressor shall consist of automatic reset overtemperature and <br /> 39 overcurrent protection; for fan motor shall consist of inherent, automatic reset <br /> 40 overtemperature protection; for heater shall consist of 2 overtemperature protectors. <br /> ' 41 <br /> 42 H. Operating Characteristics: <br /> 43 <br /> 44 Unit shall be capable of starting and running at 115°F ambient outdoor temperature per <br /> 45 maximum load criteria of ARI Standard 210. Compressor with standard controls shall be <br /> 48 capable of operation down to 25°F ambient outdoor temperature for heat pump and 55°F <br /> 47 ambient outdoor temperature for cooling. <br /> ' 48 <br /> as I. Electrical Requirements: <br /> 50 <br /> ' 51 230 V, 1 phase: shall be prewired with one plug to use with appropriate wall receptacle <br /> HEATING AND COOLING EQUIPMENT <br /> 051194 15810.3 <br />