Bard P1124A3 Installation Instructions Manual

Also see for P1060A1: Installation instructions

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Bard P1124A3 Installation Instructions Manual Manual pdf 21 page image

Manual 2100-353Page 19FAN BLADE SETTINGSShown in Figure 10 are the correct fan blade settingdimensions for proper air delivery across the outdoorcoil.Any service work requiring removal or adjustment inthe fan and/or motor area will require that thedimensions below be checked and blade adjusted in orout on the motor shaft accordingly.FIGURE 10FAN BLADE SETTINGSERVICE AND TROUBLESHOOTINGSERVICE HINTS1. Caution homeowner to maintain clean air filters atall times. Also, not to needlessly close off supplyand return air registers. This reduces air flowthrough the system which shortens equipmentservice life as well as increasing operating costs.2. Check all power fuses or circuit breakers to be surethat they are the correct rating.3. Periodic cleaning of the outdoor coil to permit fulland unrestricted airflow circulation is essential.PRESSURE SERVICE PORTSHigh and low pressure service ports are installed on allunits so that the system operating pressures can beobserved. Pressure tables can be found later in thismanual covering all models on cooling cycle. It isimperative to match the correct pressure table to theunit by model number.REFRIGERANT CHARGEThe correct system R-22 charge is shown on the unitrating plate. Optimum unit performance will occurwith a refrigerant charge resulting in a suction linetemperature (6” from compressor) as shown inTable 11.TABLE 11SUCTION LINE TEMPERATURESThe above suction line temperatures are based upon80°F dry bulb/67°F wet bulb (50% RH) temperature andrated airflow across the evaporator during cooling cycle.ledoMdetaRwolfriADO∞59erutarepmeTDO∞28erutarepmeT3A4211P 008 65-45 26-062A4221P 008 85-55 36-162A0311P 5211 85-65 56-361A0321P 0001 85-65 56-362A6311P 0521 95-75 06-851A6321P 0011 95-75 06-853A2411P 0041 95-75 06-851A2421P 0041 95-75 06-852A8411P 0551 75-45 06-852A8421P 0551 55-35 85-651A0601P 0071 94-74 65-45TABLE 12FAN BLADE SETTING DIMENSIONSledoM "A"noisnemiD3A4211P "00.12A4221P "00.12A0311P "57.1A0321P "00.12A6311P "00.11A6321P "00.13A2411P "57.11A2421P "57.12A8411P "57.12A8421P "57.11A0601P "57.1