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Toyostove Laser 56 E - User Manual

Toyostove Laser 56 E
60 pages
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VENTED HEATER SERVICE MANUAL
Laser 56 (Type E, F, G)
Laser 73 (Type H, I, J)
©1998 Toyotomi U.S.A. Inc.
Laser56/73 (S.M)(E,F,G-H,I,J) 12.7.25 11:37 AM ページ b

Table of Contents

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Summary

Section 1 Description

1-1 Introduction

Overview of the Laser Heating System and its features.

1-2 Physical Specifications

Dimensions, weight, and flue pipe hole size for Laser 56/73.

1-3 Description of Functions

Explanation of the heater's heating cycle stages.

1-4 Description

List of major components within the Laser Heaters.

1-5 Combustion System

How fuel and air are mixed, burned, and safeguarded.

1-6 Heat Chamber

Components of the combustion chamber and its function.

1-7 Burner

Details on the burner's construction and connected parts.

1-8 Burner Ring Assembly

Design of the assembly for efficient burning.

1-9 Burner Mat

Function of the textured burner mat for vaporization.

1-10 Flame Rod Sensor

Role and mounting of the sensor for flame condition checks.

1-11 Igniter

Description of the ceramic-type igniter for pre-heating and ignition.

1-12 Forced Flue Venting System

How air is drawn and combustion by-products are vented.

1-13 Flue Pipe

Information on flue pipe lengths and design.

1-14 Blower Motor Assembly

Details on the dual-function blower motor and its stages.

1-15 Heat Exchanger

How heat is extracted from exhaust vapors by the circulation fan.

1-16 Air Circulation Fan

How the fan circulates room air and cools the heater.

1-17 Fuel Delivery System

Process of fuel transfer from tank to burner.

1-18 External Fuel Tank

Options and considerations for external fuel tank installation.

1-19 Fusible Link Valve

Function of the safety device that cuts fuel supply.

1-20 Fuel Sump

Mechanism of the constant level valve and float controls.

1-21 Fuel Pump

Components of the fuel pump assembly.

1-22 Electrical System

Location of electrical diagrams in the manual.

1-23 Control Circuit Board

Role of the control board in timing, relays, and functions.

1-24 Room Temperature Sensor

Description and placement of the sensor.

1-25 Safety Mechanisms

Devices protecting users and the heater from malfunctions.

1-26 Power Failure Recovery System

How the heater automatically restarts after power restoration.

1-27 Cloth Covered Exhaust Pipe

Importance of covers for safety against hot surfaces.

1-28 Air Circulation Fan Cover

Protective cover for the fan assembly.

1-29 Fuse

Fuse ratings and electrical protection requirements.

1-30 Overheat Protector Switch

Function of the high limit switch and reset procedure.

1-31 Igniter Cleaning System

Automatic and manual procedures for cleaning the igniter.

Section 2 Installation

2-1 Introduction

Overview of the installation process and its ease.

2-2 Physical Placement of Heater

Guidelines for positioning the heater for safe operation.

2-3 Drilling Requirements

Specifics for drilling wall holes for flue pipe installation.

2-4 Power Requirements

Electrical specifications for connecting the heater.

2-5 Fuel Tank Requirements

Guidelines for storing and connecting kerosene fuel tanks.

2-6 Room Temperature Sensor Wiring Requirements

Instructions for wiring the temperature sensor.

2-7 Building Codes

Importance of complying with local codes for installation.

2-8 Unpacking

Step-by-step procedure for unpacking the heater.

2-9 Heater Installation

Safety tips and considerations for choosing a location.

2-10 Installation of Flue Pipe Window Kit

Procedures for installing window kits for venting.

2-11 Installing and Extension Kit

Details on installing extension pipes for intake and exhaust.

2-12 Typical Laser Kerosene Lifter Pump

Typical installation examples for kerosene lifter pumps.

2-13 Fuel Tank Installation

Procedures for installing removable and external fuel tanks.

2-14 For High Altitude Use

Adjustments required for operation above 3000 FT.

Section 3 Operation

3-1 Introduction

Overview of the Laser heater's ease of use and features.

3-2 Operating Specifications

Performance data including efficiency, power, and BTU ratings.

3-3 Operating Controls and Indicators

Explanation of the control panel buttons and indicator lamps.

3-4 Pre-Operation Check List

Essential checks before starting the heater for the first time.

3-5 Before Operation

Steps for preparing the heater and setting the clock.

3-6 Operation

General information on controlling the heater manually or automatically.

3-7 Manual Operation

Step-by-step guide for manual heater operation.

3-8 Automatic Operation

Setting up and using the automatic timer for temperature control.

3-9 Reprogramming the Laser Heater

Instructions for adjusting timer and temperature settings.

3-10 Automatic Operation by Weekly Set-Back Timer

How to program the weekly timer for energy efficiency.

3-11 Installation of Weekly Set-Back Timer

Procedures for installing the weekly set-back timer accessory.

3-12 Room Temperature Sensor

Guidelines for installing and positioning the room sensor.

3-13 Turning Heater Off

Steps for safely shutting down and cooling the heater.

3-14 Manual Combustion System for Testing Purposes

Using manual modes for testing heater functions.

3-15 Power Failure Recovery System

How the heater behaves and restarts after a power interruption.

3-16 Recovery from Overheat Condition

Steps to take when the heater overheats and shuts down.

Section 4 Maintenance

4-1 Introduction

Division of maintenance into routine and corrective tasks.

4-2 Routine Maintenance

Schedule of periodic tasks for optimal heater performance.

4-3 Inspect Intake;Exhaust Air Lines

Procedure for checking air lines for leaks and connections.

4-4 Verify Igniter Operation

Steps for visually inspecting the igniter's performance.

4-5 Clean Fuel Inlet Strainer

How to clean or replace the strainer to prevent clogging.

4-6 Replacement of Fuses

Steps for safely replacing blown fuses.

4-7 Fuel Contamination

Identifying and resolving issues related to contaminated fuel.

Section 5 Servicing

5-1 Introduction

Identifying causes and procedures for efficiency loss.

5-2 Cleaning the Heat Chamber and Burner

Steps for cleaning internal components due to heavy soot buildup.

5-4 Measurement of Fuel Flow Rate

How to measure and adjust fuel pump output.

5-5 Cleaning Blower Motor

Procedures for cleaning the exhaust fan and blower motor.

5-6 Cleaning the Fuel Filter or Water Block Filter

Importance and checking of filters for condensation.

5-7 Error Message

Correlating error codes with problems and solutions.

Section 6 Trouble Shooting

6-1 Electrical System

Diagrams and readings for troubleshooting electrical issues.

6-4 Control Circuit Board Time Chart

Chart illustrating operational sequences and timing.

6-5 Trouble Shooting Guide

Flowchart-based guide to diagnose and resolve common issues.

6-6 Parts Description

Illustrated list of all parts with their corresponding numbers.

Toyostove Laser 56 E Specifications

General IconGeneral
ModelLaser 56 E
CategoryGas Heater
Fuel TypeKerosene
BTU Rating56, 000 BTU
Ignition SystemElectronic
ThermostatYes
Weight45 lbs
Safety FeaturesOxygen depletion sensor, tip-over switch
Power Source120V AC

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