Bacharach 2072-0400 Operating And Maintenance Instructions Manual
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Contents
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Introduction MAC20001.1 Glossary of TermsA/C Air conditioner or air conditioningA/C System The vehicle’s air conditioning systemUnit The MAC2000 itselfScreen LCD DisplayContaminated Refrigerant that has been mixed with someother type of refrigerant.1.2 General Operating Guidelines• The MAC2000 monitors the AC line voltage and disables itself ifthe voltage drops below 100 VAC or rises above 135 VAC. An errormessage will be displayed on screen when the line voltage is out oftolerance. The unit must be turned OFF and then back ON to resetthe voltage monitoring circuitry. Extension cords must be aminimum of 14 AWG and kept as short as possible.Common causes for electrical problems include:- Long extension cords- Faulty, overloaded electrical circuits- Drop lights- Improper ground or improper polarity• The screen shows options and gives instructions for most serviceand maintenance tasks. Read the on-screen prompts and followtheir instructions.• The MAC2000 prompts a technician to check the system oil drainbottle on the side of the unit for recovered oil. Any system oil that islost is automatically drained during recovery. A technician mustmeasure and record the lost amount of oil in order to know howmuch new oil to add during charging. Refer to the A/C systemmanufacturer’s service manuals for oil specifications. Dispose ofused oil properly.• In general, it is best to leave the MAC2000 turned ON throughoutthe workday. This allows the unit time to purge itself of air andrefill the internal storage tank. Turn the unit OFF at the end of theday.Instruction 2072-04002 |
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