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General| Brand | Blue I |
|---|---|
| Model | HG-702 |
| Category | Measuring Instruments |
| Language | English |
Manual for qualified service technicians on installation, integration, calibration, operation, and maintenance.
Warning about electrical shock hazard and following safety regulations during service.
Standard chlorine measurement, configurable for Free Chlorine Only, Total Chlorine Only, or Both.
Optional measurements include Turbidity, Conductivity, pH, ORP, and Flow Rate.
Available options include 4-20mA outputs, HydroSoft Direct Connection, and Wireless Communication.
Diagram and labels of the main components of the HG-702 analyzer.
Specifies water supply pressure (0.5-1 bar) and minimum flow rate (80 L/hr) for the analyzer.
Details two drainage connections: gravity for colorimeter and pressurized for flow cell.
Specifies power requirements (90-120V or 190-240V, 50/60 Hz) and connection guidelines.
Explains flow input switch terminal blocks for connecting flow switches and meters for security.
Details reagent types (DPD1, DPD4, DPD3) and their installation for different chlorine measurements.
Lists kit contents, mixing salt with fluid, and bottle placement instructions.
Step-by-step guide to prime reagent pumps using the control panel keypad and menu.
Instructions for installing pH/ORP and PT-100 probes into the flow cell and connecting wires.
Procedure for navigating menus, entering passwords, and adjusting settings in the operator menu.
Steps to access the technician menu using menu #51 and the technician password.
Details setting the 4-20mA output for chlorine to Read or Control mode, including normal/inverted options.
Step-by-step instructions for calibrating chlorine levels using external testing devices.
Procedure for calibrating pH or ORP sensors using standard solutions or external testing devices.
Instructions for replacing reagents when a low reagent message is displayed.
Guidance on cleaning the filter regularly to remove debris and impurities.
Procedures for safely shutting down and winterizing the analyzer to prevent freezing damage.
Checks for initial start-up after prolonged shutdown, including cleaning and part replacement.
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