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Bacharach H25-IR manual Internal Filter Replacement

Models: H25-IR

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Maintenance	H25-IR

5.4.4 Internal Filter Replacement

A filter located inside the instrument may become blocked due to dust or water being drawn into the instrument. A blocked filter is identified by a “Search Flow Fault,” “Measure Flow Fault,” or a “No Flow” fault occurring. Refer to Section 4.3 What to Do when a Fault Occurs.

Items Required:

•Replacement filter (P/N 3015-4415)

•Medium Phillips head screwdriver

Procedure:

1.Remove the instrument’s top cover as described in Section 5.4.1 Removing the Top Cover.

2.Remove the old filter by pulling off the tubing attached to the filter’s inlet and outlet ports.

3.Install the tubing removed in Step 2 onto the new filter.

4.Reassemble the instrument.

48	Instruction 3015-4342

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Bacharach H25-IR manual Internal Filter Replacement

Contents

Infrared Refrigerant Gas Leak Detector Operation & MaintenanceH25-IR InstructionWARRANTY Register Your Warranty by VisitingTable of Contents 1 Introduction2 Preparing for Operation 3 CalibrationMaintenance Parts and ServiceSpecifications Operation1.2 Safety Precautions 1.2.3 Hazard Symbols1.2.4 AC Power and Grounding 1 Introduction1.2.9 Cleaning 1.2.5 Explosive Atmosphere1.2.6 Working Inside the Instrument 1.2.7 Misuse and Modifications to Instrument1.3 Ordering Information 1.4 Unpacking and Initial ChecksCode Description1.5 Features and Capabilities 1.6 Functional Overview Leak Rate = Flow Rate x Gas Concentration1.7.1 Front View 1.7 Names and Functions of ComponentsFront Panel Buttons H25-IR 1.7.2 Rear View 1.7.3 InteriorIntroduction Introduction 1.7.4 Standard ProbeH25-IR 1.7.6 Smart Probe 1.7.7 Smart Probe Keylock FunctionH25-IR IntroductionIntroduction 1.8 Menu SystemH25-IR 2.1 Connecting the Probe 2.2 Connecting the AC Power Cord2 Preparing for Operation 2.3 Turning ON the Instrument2.4 System Setup 2.4.1 Gas Type2.4.2 Leak Units R134A2.4.3 Relays 2.4.4 4-20mA Loop1 = NOT USED CLOSE AT LOG LIMIT2.4.9 Reset Defaults 2.4.5 Brightness2.4.6 Clock 2.4.7 PCHK Mode2.5.1 Setup Name 2.5 Configuring the SETUPS Function2.5.2 Range 2.5.3 Gas Type 2.5.4 Feedback Mode2.5.5 Setpoint CONTINUOUS2.6 Calibration 2.5.6 Search Auto Zero2.7 External Relay Connections Typical Relay 1 Wiring2.8 4-40mA Current Loop Connection 4-20mA Current Loop ConnectorH25-IR Preparing for OperationInstruction 3 Calibration 3.1 Selecting Internal or External Calibration3.1.1 Internal Calibration Selection INTERNAL3.1.2 External Calibration Selection and Setup EXTERNAL0.00 0.893.2 Internal Calibration 0.89 3.3 External CalibrationCalibration H25-IRProcedure 3.4 CAL FactorMaterial Required Calibration H25-IR3.4.3 Adjusting the CAL Factor 3.5 Restoring Factory CalibrationH25-IR CalibrationInstruction 4.2 Using the H25-IR 4.2.1 Power4.2.2 Initial Setup 4 OperationSETUP NO 4.2.4 Setup Selection4.2.3 Range Selection 4.2.5 Volume Adjustment 4.2.6 Searching for a Leak4.2.7 Measuring the Leak Rate 4.2.8 Measuring the PPM Level2.80SM MEASR1 38.0SM MEASR14.2.10 Working with Logged Measurements 4.2.9 Logging Measured Readings4.2.10.1 Viewing Logged Measurements 4.2.10.4 Setting the Log Limit 4.2.10.2 Clearing the LogOperation H25-IR4.3 What to Do when a Fault Occurs 4.4 What is PCHK?4.5 RS-232Communication Diagnostics MenuH25-IR OperationInstruction 5 Maintenance 5.1 Diagnostics Menu5.1.1 Sensor Data Sensor Data Screen InformationMaintenance 5.1.2 Last FaultH25-IR 5.1.3 IR Emitter 5.2 Factory Menu5.1.4 Pressure 5.2.1 Auto Gain 5.2.2 DIGIPOT5.2.3 Leak Rate 5.2.4 Leak Gas5.2.6 Leak TEMPCO 5.2.7 Sensor Cal5.2.7.1 Pressure Sensor Calibration Screen PRESSURE5.2.7.3 Box Temperature Calibration Screen 5.2.8 Model Select5.2.9 Probe Type 5.2.10 FirmwareProcedure 5.3 Flashing MemoryItems Required Click OK Click Open 5.4 Part Replacement 5.4.1 Removing the Top Cover5.4.2 Fuse Replacement 5.4.3 Probe Tip Filter & O-RingReplacement5.4.4 Internal Filter Replacement 6 Parts and Service 6.1 Replacement Parts6.2 Service Centers United StatesCanada México7 Specifications CFCs, HCFCs, HFCs and HalogensR600a SF6H25-IR SpecificationsInstruction APPENDIX A - Factory Defaults H25-IR Appendix AInstruction H25-IR Appendix AHeadquarters 621 Hunt Valley Circle, New Kensington, PA