Manual

ManualsBrandsMyron L ManualsSensors729II

INSTALLATION • OPERATION • MAINTENANCE

pH Models: 721II, 722II, 723II & 724II

ORP Models: 726II, 727II, 728II & 729II

Water Quality Instrumentation

Accuracy • Reliability • Simplicity

ACCURACY • RELIABILITY• SIMPLICITY

720 Series II

pH & ORP

MONITOR/CONTROLLER

Operation

Manual

29 Oct 08

Summary of content (5 pages)

PAGE 1
720 Series II pH & ORP MONITOR/CONTROLLER Operation Manual 29 Oct 08 INSTALLATION • OPERATION • MAINTENANCE pH Models: 721II, 722II, 723II & 724II ORP Models: 726II, 727II, 728II & 729II ACCURACY • RELIABILITY• SIMPLICITY Water Quality Instrumentation Accuracy • Reliability • Simplicity
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pH 720II MYRON L COMPANY HIGH SET POINT LOW 720 Series II Model 723II-SC (A Digital pH Monitor/controller, with a Second Alarm/Control)
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720 Series II MONITOR/CONTROLLER QUICK REFERENCE GUIDE! If you read nothing else in this manual please read this Quick Reference Guide. PLEASE READ and COMPREHEND ALL WARNINGS, CAUTIONS and ADVISEMENTS CONTAINED WITHIN THIS MANUAL. Failure to comply is beyond the responsibility of the Myron L Company. WARNING: ALL MONITOR/CONTROLLERS ARE FACTORY SET TO OPERATE ON 115 VAC. BEFORE APPLYING POWER ENSURE THE INPUT POWER “115/230 VAC” SELECTION IS CORRECT FOR YOUR REQUIREMENTS.
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3. Press and hold the “SET POINT” switch on the front panel. Using a tweaker or a small screwdriver, adjust the Set Point trimmer adjustment screw on the circuit board to sweep the display from zero to full scale. (A digital display may be blank at the full scale end. This is normal.) Listen for the alarm relay to click on and off as the alarm set point moves past the water reading. 4. Adjust the alarm to the desired set point value. Release the “SET POINT” switch.
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VIII. WARRANTY All Myron L Company pH and ORP Monitor/controllers have a TWO-year warranty. If any Monitor/controller fails to function normally, return the faulty unit to the factory prepaid. If, in the opinion of the factory, failure was due to materials or workmanship, repair or replacement will be made without charge. All pH and ORP sensors have a six (6) month limited warranty. If any sensor fails during that time, return the failed sensor to the factory, prepaid.