Hach 900 manual Appendix C Exploded View 6, Item Number Description Part Number

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Appendix C

Exploded View (6 of 6)

11

10

9

Insert wires into motor terminals from gearbox side. Solder wires directly to motor terminals—snip any excess wire as necessary.

(2 PLCS)

8

7

6

1

2

4

3

5

Item Number	Description	Part Number

1	CPU PCB Assembly	8921

2	Distributor (J5)	—

3	Auxiliary (J6)	—

4	Pin 2 (J3)	—

5	Power (J2)	—

6	Cable Assembly Fuse Holder	3146

7	Fuse Holder, 5 x 20 mm	3320

8	Gearbox Assembly	8910

9	Motor Cable Assembly	8859

10	Keypad (J9)	—

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Exploded View Drawings	8544apdx_engdraw.fm

Image 52

Contents Sigma 900 Composite Sampler Page Table of Contents Table of Contents Controller Dimensions Pump/Controller HousingSample Volume Sample Volume RepeatabilityPage Interface Connectors Instrument DescriptionReceptacle Caps General InformationHumidity Indicator SectionFront Panel Keypad and DisplaySafety Information Safety InformationUse of Hazard Information Precautionary LabelsHazardous Locations Confined Space Entry PeligroDefinition of Confined Space Installation Selecting the Installation SiteUnpacking the Instrument Mounting the Sampler Attaching the Intake LineVinyl Intake Tubing Teflon-Lined Polyethylene Intake LineSetting Up the Intake Line and Strainer Installing the Full Bottle Shut-OffSetting Up the Intake Line and Strainer Choosing BottlesPower Connections Power Connections12 V dc Connector Pin Assignments 12 V dcAuxiliary Connection Auxiliary Pin AssignmentsMA Input Contact ClosuresAuxiliary Connection 20 mA Interface and Pulse Duration Input Splitter InterfacePage Keypad and Key Functions Tips and Techniques for Programming the Instrument Tips and Techniques for Programming the InstrumentSection Setting the Time and Date Bottle Setup ModeSetting the Time and Date 1035 AM 24OCT00Section Explanations of Program Messages Data Logging Manual ModeManually Operating the Sample Pump Mode Measurements Triggered by Liquid Levels or FlowMeasurements Triggered by Liquid Levels or Flow Section Programming the Sampler for Level Control Other Displayed MessagesHow to Calculate Pulses/Counts Section Flow Proportional OperationExample Flow Proportional OperationTherefore, the value for Intv = Cnts is Calculate t You want to collect 32 samples over an 8-hour period Page Cleaning the Sampler Removing and Opening the ControllerRe-installing the Bottom Panel Re-installing the Bottom PanelCircuit Board Identification Section Internal Desiccant ModuleInternal Desiccant Module Internal Case Humidity Indicator Memory BatteryMotor/Gear Box Motor/Gear BoxRepair Service Ordering Information for the U.S.AContact Information for Europe Limitations Limited WarrantyLimitation of Remedies Page Description Part Number Parts and AccessoriesTray/Positioner Page Program Flow Chart Page Maintenance TemperatureLead-Acid Gel Cell Batteries ChargingLead-Acid Battery Storage Recommendations Nickel-Cadmium Battery Storage RecommendationsStorage Temperature Maximum Recommended Storage Time Appendix BItem Number Description Exploded View 1Exploded View Drawings Appendix C Exploded View 2 Appendix C Exploded View 3 Part Description Appendix C Exploded View 4Part Appendix C Exploded View 5 Appendix C Exploded View 6 Item Number Description Part Number