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What do you know about preventive maintenance programs for air conditioning and refrigeration units?

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تم إضافة السؤال من قبل amr mahmoud elsaied eissa , Project Manager , 3A GROUP
تاريخ النشر: 2013/10/20
Ahmed Fathy
من قبل Ahmed Fathy , General Manager + EBRD International Adviser , RUBEX for Metal Industries

Dear Mr. AMR

Mr. TALHA sent you an excellant answer so i agree with him.

Talha Ali Siddiqi
من قبل Talha Ali Siddiqi , Equipment Engineering Manager - Robotics and Automation , Guardian Industries

Preventative Maintenance of AC is important to thoroughly check your air conditioning system. Here is a list of what you should do:

·          Check freon level and add up to2lbs (if needed)

·          Examine electrical disconnect box connections

·          Test voltages on outside unit

·          Test compressor amp draw

·          Check condenser fan motor amp draw

·          Examine electrical connections and repair if needed

·          Examine contactor

·          Clean condenser coil (if accessible using customer water hose bib)

·          Examine evaporator coil

·          Brush/Surface clean evaporator coil (if accessible)

·          Examine blower wheel

·          Thoroughly wash air filter or replace with customer supplied filter

·          Test float switch operation (if applicable)

·          Vacuum drain line

·          Check fan motor amp draw

·          Examine electrical connections and repair if needed

·          Test all controls for heating and cooling

·          Check capacitors

·          Test thermostat operation and calibrate if needed

·          Test humidistat operation (if applicable)

·          Check temperature differential

·          Visual inspection of water heater (if applicable)

·          Visual inspection of clothes washer hoses (if applicable)

·          Visual inspection of ultra violet light (if applicable)

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