Bacharach PUR-CHEK PRO Operation And Maintenance Manual
Also see for PUR-CHEK PRO: Manual
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Contents
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Operation and Maintenance Instruction Manual Pur•Chek™ ProP/N 2100-9001 Rev 2 53. Components3.1. Base UnitThe Pur•Chek™ Pro base unit (shown in Figure 3-1) houses the graphic display, infrared bench, electricalconnections, and printer module. These components require no maintenance.IMPORTANT: There are no serviceable components internal to the instrument, anddisassembly will void the warranty.Figure 3-1. Base Unit Showing Key Components3.2. Low Side Vapor Sample HoseThe 8.5 foot (2.5 meter) low side vapor sample hose configuration is constructed of a polyurethane tube.See Figure 3-2. A brass flow restrictor acts to reduce pressure at the sample connection point andreduce the introduction of harmful oil into the machine. The maximum inlet pressure is 500 psig. The hoseis provided with an instrument inlet port mating connector on one end and a 1/4” SAE female flarecoupling nut on the service end.Figure 3-2. Low Side Vapor Sample Hose3.3. High Side Liquid Sample HoseThe 8.5 foot (2.5 meter) high side sample hose configuration is constructed of a polyurethane tube withan oil reservoir. A brass flow restrictor acts to transform liquid refrigerant to vapor at the sampleconnection point while the oil trap syringe collects oil and provides a means of expulsion after the test iscomplete. The maximum pressure is 500 psig. The syringe is provided with a magnet for attaching it tothe tank. It also is provided with an instrument inlet port mating connector on one end and a 1/4″ SAEfemale flare coupling nut on the service end. Refer to Figure 3-3.Analyzer End Service End |
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