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MHG Heating 15 - User Manual

MHG Heating 15
68 pages
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Procon
RVR.ie
Ireland’s Online Heating Suppliers
Instructions for Installing, Servicing and
Using Procon , ,  and  Boilers

Table of Contents

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Summary

Product Description

Boiler Installation Requirements

Gas Connection Requirements

Information on gas pipe size, isolation valves, and pressure requirements.

Water Connection

Guidance on connecting the heating flow and return pipes, including pressure limits.

Condensate Waste Connection

Instructions for connecting the condensate waste pipe and syphon.

Hydraulic System Design

Guidance on system design, including water pressure and expansion vessels.

Electrical Connections

Details electrical connection requirements and wiring diagrams.

Optional Extra Control Options

RVA47 Cascade Controller

Comprehensive unit to control up to twelve boilers, with heating and DHW control.

System Configurations

System Type 1: Heating Only

Typical installation serving heating only, with notes on internal pump usage.

System Type 2: Heating & DHW (Priority)

Single boiler installation for heating and DHW (priority) via a 3-port valve.

System Type 3: Heating & DHW (Priority) with Mixing Header

Installation with mixing header, individual charging pumps for heating and DHW.

System Type 4: Two Heating Zones & DHW

Installation serving two heating zones and DHW with individual charging pumps.

System Type 5: Two Heating Zones (Mixing) & DHW

Utilizes AGU2.500 module for two heating zones and DHW with mixing valve.

System Type 6: Two Heating Zones (Mixing) & DHW with RVA63

Uses RVA63 controller for two heating zones and DHW with mixing valves.

System Type 7: Four Heating Zones & DHW with AGU2.500;RVA63

Installation with AGU2.500 and RVA63 serving four heating zones and DHW.

Commissioning and Initial Setup

Pre-Commissioning Checks

Essential checks before commissioning, including system flushing and gas supply.

First Firing; Burner Commissioning

Procedure for initial firing and burner adjustment to ensure safe operation.

Control Panel and Operation

LMU64 Controller Fault Indication

Information on identifying and resetting boiler faults and error codes.

Servicing and Maintenance

Routine Service Inspection

Tasks to be undertaken before commencing any service or maintenance work.

MHG Heating 15 Specifications

General IconGeneral
MountingWall-mounted
Heating Capacity15 kW
Efficiency93%
Fuel TypeNatural Gas
Dimensions700 x 400 x 300 mm

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