Mikuni MY Series User Manual

Installation of the heater .
The Mikuni MY series heaters are blown air diesel fired heaters running off either a 12 or 24
volt DC supply . To ensure good service from your heater it is important to install it correctly
paying attention to all the details laid out within this instruction leaflet .
Planning the Installation
Take time to plan your installation !
The heater should be sited in an area where :
(i ) It will not have items stored against it.
( ii ) It will not be exposed to weather .
( iii ) It is within the parameters set out in this manual regarding fuel and power supply.
( iv ) It is within the parameters set out in this manual regarding heater mounting .
(v ) The exhaust outlet skin fitting is well clear of the water line.
( vi ) The exhaust pipe is not touching anything inside the boat which could be damaged by
heat -The exhaust pipe does get hot even though it is insulated!
Tools for your installation :
Here is a list of some of the tools required to help with your installation :
1. Electric drill with slow speed .
2. Crimping pliers .
3. Wire cutters .
4. Metric spanners 8 mm to 13 mm .
5. Flat blade & posidrive screwdrivers.
6 . Sharp knife .
Application
Hot air outlets
Ducting
Skin fitting
Fuel standpipe
MY 16
95 mm
60 mm
42 mm
22 mm
MY 30
95 mm
90 mm
42 mm
22 mm
Hole saws
- 1 -

Mikuni MY Series Specifications

General

Brand	Mikuni
Model	MY Series
Category	Heater
Language	English

Summary

Heater Installation Overview

Planning the Installation

Guidelines for siting the heater in a suitable area, considering accessibility and environmental factors.

Tools for Installation

List of essential tools required for the heater installation process.

Heater Mounting Procedure

Mounting the Heater

Instructions for securely mounting the heater unit, ensuring correct orientation and stability.

Exhaust and Combustion Air System

Details on installing the exhaust skin fitting and ensuring proper combustion air intake.

Fuel System Installation

Fuel System Setup

Steps for installing the fuel standpipe, pump, and copper lines for fuel delivery.

Electrical Wiring and Connections

MY16 Wiring Instructions

Detailed wiring guide for the MY16 model, including component connections and colour codes.

MY30 Wiring Instructions

Pre-assembled wiring loom details for the MY30 model, including cable routing and connections.

Air Distribution and Inlet

Air Distribution

Guidance on running hot air ducting for optimal airflow and outlet placement.

Air Inlet Requirements

Considerations for sourcing air for the heater, especially in confined spaces.

Operation and Final Checks

Ducting Parameters

Specifications for ducting diameter, length, and bends for different heater models.

Trial Operation Procedure

Step-by-step guide for priming the fuel system and initial startup of the heater.

Final Check List

A comprehensive checklist to ensure all installation steps are completed correctly before operation.

Operational Safety and Specifications

General Safety Warnings

Critical safety precautions to observe during and after heater operation.

Technical Specifications

Detailed technical data for MY16 and MY30 models, including output, voltage, and dimensions.

MY16 Fault Finding System

MY16 Self Diagnostic Fault Finding

Systematic troubleshooting guide for identifying and resolving common faults in the MY16 heater.