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Part no. 744015EN Week 52/2020 EN
Meltem Wärmerückgewinnung GmbH & Co. KG
Am Hartholz 4 · D-82239 Alling
info@meltem.com · www.meltem.com
HOME VENTILATION WITH HEAT RECOVERY
Ventilation units
M-WRG-II P...
M-WRG-II E...
Maintenance by the user /
Maintenance by a specialist company
V E N T I L A T I O N & H E A T R E C O V E R Y
V E N T I L AT I O N T H E R I G H T WAY
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Table of Contents
Related Manuals for Meltem M-WRG-II E Series
Summarization of Contents
Introduction
About These Maintenance Instructions
Guidance on using the maintenance manual, emphasizing safety and proper handling.
Target Audience and Device Identification
Defines the intended users and how to identify the specific ventilation unit model.
Understanding Symbols and Revisions
Explains symbols used in the manual and provides revision history for document updates.
Safety Instructions
Hazard Classification and Warnings
Details the types of hazards and their associated warning levels for user safety.
Safe Usage and Intended Purpose
Outlines the correct operational procedures and limitations for the ventilation unit.
General Notes on Maintenance
Air Filter Management
Information on filter types, maintenance intervals, and important considerations for filter changes.
Cleaning the Ventilation Unit Exterior
Instructions for safely cleaning the outer surfaces of the ventilation unit.
Maintenance Schedules Overview
Annual Maintenance (User) Schedule
Overview of tasks to be performed annually by the user for routine maintenance.
5-Year Maintenance (Specialist) Schedule
Overview of tasks for comprehensive maintenance performed by specialists every five years.
Required Tools and Parts
For Annual Maintenance
Lists the necessary spare parts and equipment for completing the annual maintenance tasks.
For 5-Year Maintenance
Lists the required tools and parts for the specialist 5-year maintenance procedure.
Annual Maintenance Procedure (User)
Initial Preparation: Power Off and Cover Removal
Steps to safely shut down the unit and remove the outer cover for maintenance.
Filter Removal and Basic Cleaning
Instructions for removing, cleaning, and reinserting the extract and outdoor air filters.
Cleaning Air Paths and Heat Exchanger Inspection
Guidance on cleaning air grilles, ducts, and inspecting the heat exchanger for soiling.
Filter Replacement and System Checks
Procedure for installing new filters and verifying unit functionality after maintenance.
Final Steps and Record Keeping
Completing the maintenance by resetting indicators and logging the performed tasks.
5-Year Maintenance Procedure (Specialists)
Safety Measures and Power Disconnection
Critical safety warnings and procedures for disconnecting power before specialist work.
Component Disassembly and Cleaning
Detailed steps for removing covers, intermediate plates, and cleaning internal components.
Heat Exchanger Servicing
Instructions for removing, cleaning, and re-installing the heat exchanger unit.
Reassembly and Functional Testing
Procedures for reassembling the unit, including intermediate plates and covers, and conducting tests.
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