User Manual - Tester MSG MS0121 1. DESCRIPTION MS121 Tester is a modern, essential and easy-to-use device for car service centers nowadays, dealing with air conditioners. The tester combines two devices: electromagnetic valve tester and electromagnetic clutch tester. The device is optimized for simulation of electromagnetic valve control signals, measuring of valve and/or clutch current consumption.
User Manual - Tester MSG MS0121 2. TECHNICAL CHARACTERISTICS Technical characteristics Supply voltage, V 12-15 Batteries, constant voltage source Supply type 12-15 V Dimensions, mm 155*97*30 Weight, kg Air conditioner electromagnetic valves testing Voltage, V - Duty cycle Tested parameters - Сurrent consumption - Open circuit, short circuit Ampere meter accuracy, A...
User Manual - Tester MSG MS0121 3. CONTROL UNITS Fig 1. Tester MS121 – Control panel 3.1 Buttons Used to increase electromagnetic valve performance of air conditioner compressor. Performance increases by 5% after short pressing, performance increases up to maximum value – 100% after long pressing.
User Manual - Tester MSG MS0121 3.3 Indicators Indicator displays performance value of electromagnetic valve from 0% to 100%. Indicator displays current consumption value of electromagnetic valve, electromagnetic clutch, or their total value. Electromagnetic valve operability LED indicators: • Functioning EV: indicator is on under faultless electromagnetic valve, connected to the tester.
User Manual - Tester MSG MS0121 • wires to connect the batteries • User Manual. Inspect the tester for existence of damage. If it is found, please contact either the manufacturer or trade representative before launching the equipment. 5. STEP-BY-STEP INSTRUCTION It is strongly recommended to learn actual User Manual before launching the tester.
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