Manuals / Bacharach / Household Appliance / Carbon Monoxide Alarm

Bacharach H25-IR Explosive Atmosphere, Working Inside the Instrument, In Case of Malfunction

Models: H25-IR

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Introduction	H25-IR

1.2.5 Explosive Atmosphere

Do not operate this instrument in the presence of flammable liquids, vapors or aerosols. Operation of any electrical instrument in such an environment constitutes a safety hazard.

1.2.6 Working Inside the Instrument

Only qualified maintenance personnel should access the interior of this instrument. Always unplug the AC power cord before performing any wiring or maintenance work.

1.2.7 Misuse and Modifications to Instrument

The operation of the H25-IR may be impaired if the instrument is used in a manner not specified in this instruction manual. Changes or modifications to the instrument, not expressly approved by Bacharach, will void the warranty.

1.2.8 In Case of Malfunction

Do not continue to use this equipment if there are any symptoms of malfunction or failure. In the case of such occurrence, unplug the AC power cord and contact a qualified repair technician or the nearest Bacharach Service Center.

1.2.9 Cleaning

USE a dry cloth to clean the outside of the case. DO NOT use soap and water.

2	Instruction 3015-4342

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Bacharach H25-IR Explosive Atmosphere, Working Inside the Instrument, Misuse and Modifications to Instrument, Cleaning

Contents

H25-IR Infrared Refrigerant Gas Leak DetectorOperation & Maintenance InstructionWARRANTY Register Your Warranty by Visiting2 Preparing for Operation Table of Contents1 Introduction 3 CalibrationSpecifications MaintenanceParts and Service Operation1.2.4 AC Power and Grounding 1.2 Safety Precautions1.2.3 Hazard Symbols 1 Introduction1.2.6 Working Inside the Instrument 1.2.9 Cleaning1.2.5 Explosive Atmosphere 1.2.7 Misuse and Modifications to InstrumentCode 1.3 Ordering Information1.4 Unpacking and Initial Checks Description1.5 Features and Capabilities 1.6 Functional Overview Leak Rate = Flow Rate x Gas Concentration1.7 Names and Functions of Components 1.7.1 Front ViewFront Panel Buttons 1.7.2 Rear View 1.7.3 Interior H25-IRIntroduction 1.7.4 Standard Probe IntroductionH25-IR H25-IR 1.7.6 Smart Probe1.7.7 Smart Probe Keylock Function Introduction1.8 Menu System IntroductionH25-IR 2 Preparing for Operation 2.1 Connecting the Probe2.2 Connecting the AC Power Cord 2.3 Turning ON the Instrument2.4.2 Leak Units 2.4 System Setup2.4.1 Gas Type R134A1 = NOT USED 2.4.3 Relays2.4.4 4-20mA Loop CLOSE AT LOG LIMIT2.4.6 Clock 2.4.9 Reset Defaults2.4.5 Brightness 2.4.7 PCHK Mode2.5 Configuring the SETUPS Function 2.5.1 Setup Name2.5.2 Range 2.5.5 Setpoint 2.5.3 Gas Type2.5.4 Feedback Mode 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 ConnectorPreparing for Operation H25-IRInstruction 3.1.1 Internal Calibration Selection 3 Calibration3.1 Selecting Internal or External Calibration INTERNAL3.1.2 External Calibration Selection and Setup EXTERNAL0.89 0.003.2 Internal Calibration Calibration 0.893.3 External Calibration H25-IR3.4 CAL Factor ProcedureMaterial Required Calibration H25-IR3.4.3 Adjusting the CAL Factor 3.5 Restoring Factory CalibrationCalibration H25-IRInstruction 4.2.2 Initial Setup 4.2 Using the H25-IR4.2.1 Power 4 Operation4.2.4 Setup Selection SETUP NO4.2.3 Range Selection 4.2.5 Volume Adjustment 4.2.6 Searching for a Leak2.80SM MEASR1 4.2.7 Measuring the Leak Rate4.2.8 Measuring the PPM Level 38.0SM MEASR14.2.9 Logging Measured Readings 4.2.10 Working with Logged Measurements4.2.10.1 Viewing Logged Measurements Operation 4.2.10.4 Setting the Log Limit4.2.10.2 Clearing the Log H25-IR4.5 RS-232Communication 4.3 What to Do when a Fault Occurs4.4 What is PCHK? Diagnostics MenuOperation H25-IRInstruction 5.1.1 Sensor Data 5 Maintenance5.1 Diagnostics Menu Sensor Data Screen Information5.1.2 Last Fault MaintenanceH25-IR 5.2 Factory Menu 5.1.3 IR Emitter5.1.4 Pressure 5.2.3 Leak Rate 5.2.1 Auto Gain5.2.2 DIGIPOT 5.2.4 Leak Gas5.2.7.1 Pressure Sensor Calibration Screen 5.2.6 Leak TEMPCO5.2.7 Sensor Cal PRESSURE5.2.9 Probe Type 5.2.7.3 Box Temperature Calibration Screen5.2.8 Model Select 5.2.10 Firmware5.3 Flashing Memory ProcedureItems 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 PartsCanada 6.2 Service CentersUnited States MéxicoR600a 7 SpecificationsCFCs, HCFCs, HFCs and Halogens SF6Specifications H25-IRInstruction APPENDIX A - Factory Defaults Appendix A H25-IRInstruction H25-IR Appendix AHeadquarters 621 Hunt Valley Circle, New Kensington, PA