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geminox MERITE ZEM 5-25 C User Manual

geminox MERITE ZEM 5-25 C
63 pages
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Technical instructions
Gas condensing boiler
MERITE
ZEM 2-17 C | ZEM 5-25 C
ZEM 5-25 SEP
6 720 813 321 (2016/06)

Table of Contents

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geminox MERITE ZEM 5-25 C Specifications

General IconGeneral
Brandgeminox
ModelMERITE ZEM 5-25 C
CategoryBoiler
LanguageEnglish

Summary

Important Safety and Operation Notes

Safety Precautions

General Safety Precautions

Detailed safety instructions covering gas, flue gas, materials, fitting, servicing, and air.

Boiler Operation

Safety Test and Regulator Shutdown

Procedure for safety test, regulator shutdown, and how to disable these functions.

Boiler Installation

General Installation Requirements

Covers installer qualifications, compliance with regulations, and suitability of installation location.

Combustion Product Flueing

Detailed guidance on flue systems, materials, and installation procedures.

Hydraulic Connections

Recommendations for hydraulic connections, including bleed, safety control box, and expansion vessels.

Gas Connection

Instructions for connecting the gas supply, including stopcocks and pipe flushing.

Electrical Connection

Guidance on mains connection and connecting sensors to the LMU management unit.

Boiler Commissioning

Installation Protection and Water Treatment

Details on Bionibal and Bionibagel products for corrosion inhibition and antifreeze protection.

Filling the Installation with Water

Procedure for filling the boiler and heating system with water, including bleeding and pressure checks.

Gas Supply Checks

Instructions for opening the gas cock, bleeding gas piping, and checking for leaks.

Pre-Commissioning Verifications

Checklist of essential verifications before initiating boiler operation.

Boiler Commissioning Steps

Detailed steps for commissioning, including mode selection and sensor connections.

Gas Conversion

Gas Change Procedure

Instructions for qualified personnel on changing the boiler's gas type, with safety warnings.

Natural Gas to Propane Conversion

Guidance on ordering and performing the conversion from natural gas to propane.

Gas, CO2, CO, NOx Flow Control and Pressure

Procedure for controlling gas flow, pressure, and emissions using specific valves and tools.

Boiler Maintenance

Servicing Fan and Burner

Instructions for disassembling, cleaning, and reassembling the fan and burner unit.

Operating Faults and Troubleshooting

Boiler Fault Codes and Solutions

List of boiler display codes, their descriptions, and recommended solutions for faults.

Warranty Information

Warranty Exclusions

List of items and conditions not covered by the manufacturer's warranty.

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