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Sig Marine Sig120 - User Manual

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Natural Draft Diesel Heater
Operating and Installation
Instruction Manual
*KEEP THIS MANUAL FOR FUTURE REFERENCE*
Sig100, 120, 170, 180
** Please read from beginning to end before installing and operating.
Heater’s Serial #: __________________
Quality Controlled by- Doug & Don
Form#7.2-256 Issue#2 Sept 5th, 2012
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Summary

Safety Warnings

About the Natural Draft Diesel Heater

Important Notes for Installation

Ventilation Requirements

Chimneys Effect on Heater Performance

Key Chimney Draft Factors

Influences on chimney draft, including air movement and design specifications.

Heater Installation Procedures

Heater Location Selection

Guidance on selecting the optimal placement for the heater within the vessel.

Required Safety Clearances

Specifies minimum distances required around the heater for safe operation.

Recommended Heater Facing Direction

Recommends the ideal orientation of the heater for proper fuel flow and operation.

Chimney Pipe Specifications

Chimney Pipe Diameter Requirements

Specifies the required diameter for the chimney pipe for all Sig Heaters.

Barometric Damper Installation

Deck Fitting Installation Details

Exhaust Cap Usage and Placement

Fuel System Installation Guide

Fuel Supply and Overflow System

Details the fuel supply connection and the critical overflow safety feature.

Fuel System Components

Fuel Filter and Shut-off Valve Setup

Explains fuel filtration and manual shut-off valves for safety and maintenance.

Fuel Supply Methods

Covers methods for supplying fuel, including gravity feed and pressurized tanks.

Walbro Fuel Pump Installation

Standard Walbro Pump Selection

Details the standard Walbro FRD-2 pump for fair climate and shorter fuel runs.

Heavy Duty Walbro Pump Selection

Describes the heavy duty Walbro FRD-2 pump for colder climates or longer fuel runs.

Walbro Fuel Pump Upgrades

Draft Assist Fan Installation Guide

Heater Operation and Lighting

Lighting Procedure Steps

Step-by-step guide for safely lighting the diesel heater.

Recommended Valve and Fan Settings

Heater Operation Tips

Importance of Fuel and Air Mixture

Burner Flooding Prevention

Oil Metering Valve and Fuel Flow

Oil Metering Valve Safety Fuse

Explains the function of the high-temperature fuse in the oil metering valve.

Adjusting Oil Metering Valve

Details how to adjust the oil metering valve for optimal fuel flow and flame.

Fuel Flow Measurements and Variations

Measuring Fuel Flow Rates

Provides methods for measuring fuel flow rates for different heater models.

Fuel Type Variations Impact

Discusses how different fuel types affect viscosity and heater operation.

Oil Metering Valve Repair Kit

Oil Metering Valve Rebuild Process

Burner Assembly Instructions

Heater Maintenance Checklist

Annual Fuel System Maintenance

Annual checklist for maintaining the fuel system of the heater.

Burner Cleaning Procedure

Procedure for cleaning carbon buildup to ensure proper burner operation.

Fuel Line and Exterior Maintenance

Cleaning Fuel Lines

Instructions for clearing blockages in the fuel line.

Troubleshooting Heater Issues

Warranty and Return Policy

Sig Marine Product Warranty Terms

Details the duration and terms of the product warranty provided by Sig Marine.

Product Return Procedures

Information on the process and address for returning products for warranty or exchange.

Detailed Limited Warranty Provisions

Warranty Provisions and Limitations

Outlines the core warranty terms, exclusions, and limitations.

Warranty Coverage Time Limit

Specifies the duration of the warranty coverage for the original purchaser.

Warranty Exclusions List

Lists items and conditions not covered by the product warranty.

Register Your Heater Warranty

Sig Marine Sig120 Specifications

General IconGeneral
BrandSig Marine
ModelSig120
CategoryHeater
LanguageEnglish

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