Toyotomi Oil Miser OM-180 Operation & Maintenance Instructions Manual

Toyotomi Oil Miser OM-180 Operation & Maintenance Instructions Manual

Instantaneous oil-fired water heater
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Instantaneous Oil-Fired Water Heater
Operation and Maintenance Instructions
IMPORTANT
READ AND UNDERSTAND INSTRUCTIONS BEFORE INSTALLING OR USING THIS WATER HEATER.
RETAIN INSTRUCTIONS FOR FUTURE REFERENCE. CHECK LOCAL CODES AND ORDINANCES FOR
PERMITTED USE.
CAUTION
THIS WATER HEATER SHALL NOT BE USED FOR COMMERCIAL USE OR FOR ANY PURPOSES OTHER
THAN HOT WATER SUPPLY USES. OTHER USAGE MAY CAUSE A MALFUNCTION OR SHORTEN ITS
SERVICE LIFE. DO NOT REMOVE THE RATING PLATE AND LABELS FROM THE WATER HEATER UNIT.
OM-180
MODEL
CONTENTS
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Table of Contents
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Summary of Contents for Toyotomi Oil Miser OM-180

  • Page 1: Table Of Contents

    Control Panel Dimensional Outline Construction Wiring Diagram SECTION C: Fuel Guide SECTION D: Operation Fueling OM-180 MODEL CONTENTS Inspection Before Operation Operation Adjusting Water Temperature Flow Rate and Water Temperature Turning Unit Off Operation Control by Timer (Option) Preventing Freeze Up...
  • Page 2: Section A

    SECTION A: SAFETY TIPS BE SURE TO FOLLOW THE FOLLOWING INSTRUCTIONS. The instructions which are contained in this manual are classified into the following two types, which are "WARNING" and "CAUTION". These instructions are intended to provide important information for safe operation.
  • Page 3 OTHER PRECAUTIONS This unit is only for indoor use. Avoid its exposure to rain or moisture. Do not use for drinking or cooking until the water supply has been approved by local authorities. Hot water (or cold water) left in heat exchanger or piping must not used for cooking or drinking. When using a large amount of hot water the temperature may change, even though the temperature setting has not been changed.
  • Page 4: Safety Features

    Ignition Safety Device (Flame Sensor) The unit will automatically stop all operations if ignition fails or if the flame fails during combustion. ''WARNING'' lamp will light. High Limit Thermistor In order to prevent burns, the high limit thermistor automatically stops all operations if the water in the heat exchanger reaches abnormally high temperatures due to temperature controller malfunction.
  • Page 5: Section B

    Heat and vaporized water are produced by the combustion process of this water heater. This rating does not take into account heat loss due to condensation of water vapor. External tank to be purchased from local suppliers. SPECIFICATIONS OM-180 Pressure Vapor Forced Flue On Demand...
  • Page 6: Control Panel

    Access Cover Fuel Line Junction Box Power Switch Operation Lamp Burner Lamp Warning Lamp OPERATION BURNER WARNING OM-180 3/16” (5mm) 12-5/8” (320mm) Hot Water Outlet or T&P Relief Valve (NPT 1-1/4”Male) Front Panel Cold Water Inlet or Drain Outlet (NPT 1-1/4” Male)
  • Page 7: Construction

    CONSTRUCTION High Limit Thermistor Main Circuit Board Ignition Transformer Fuel Pump Fusible Link Valve WIRING DIAGRAM TRANSFORMER JUNCTION BOX POWER SOURCE 60Hz,AC120V BLOWER MOTOR BL IG PRIMARY TRANSFORMER (J1) FUSE1 FUSE2 GROUND OUTPUT 60HZ, AC120V (FOR CIRCULATION PUMP) HGH LIMIT THERMISTOR THERMISTOR REMOTE CONTROLLER...
  • Page 8: Section C

    SECTION C: FUEL GUIDE The OM-180 is designed for use with ASTM D3699 1-K Kerosene, ASTM D396 No.1 or No.2 Fuel Oil only. Use of low-quality oil will cause burner performance to drop, leading to abnormal combustion and reduced the unit life.
  • Page 9: Section D

    SECTION D: OPERATION WARNING: Use ASTM D3699 1-K Kerosene, ASTM D396 No.1 or No.2 Fuel Oil only. Never use gasoline, thinner, benzene, light oil or waste oil, or any other high volatile liquids. CAUTION: Make sure that the fuel is clean and free from dirt and water. Water and dirt may cause com- bustion failure and shorten the life of components such as the fuel pump.
  • Page 10: Operation

    RISK OF SCALD INJURY. BEFORE CHANGING TEMPERATURE SETTING SEE INSTRUCTION MANUAL. COLD THERMOSTAT ADJUSTING WATER TEMPERATURE Hot Water Temperature VERY HOT around 176°F around 158°F around 122°F around 95°F COLD around 68°F POWER OPERATION BURNER WARNING VERY HOT OM-180 ON/OFF...
  • Page 11: Flow Rate And Water Temperature

    TURNING UNIT OFF 130° F CAUTION POWER HOTTER WATER INCREASES THE RISK OF SCALD INJURY. BEFORE CHANGING TEMPERATURE VERY HOT SETTING SEE INSTRUCTION MANUAL. COLD ON/OFF THERMOSTAT PREVENTING FREEZE UP FLOW RATE 6.2 GPM 4.1 GPM 3.1 GPM OPERATION BURNER WARNING OM-180...
  • Page 12: Long Term Inactivity

    DRAINING WATER When you do not plan to use the unit for an extended period, the following procedures are recommend- 1. Turn the unit off. 2. Disconnect the power supply cord. 3. Close the fuel tank valve securely. 4. After closing the main water supply valve, open up all the faucets. 5.
  • Page 13: Section E

    SECTION E: ROUTINE MAINTENANCE INSPECTION AND MAINTENANCE WARNING: RISK OF INJURY FROM MOVING PARTS AND ELECTRICAL SHOCK. RISK OF INJURY FROM MOVING PARTS AND ELECTRICAL SHOCK. Disconnect the power sup ply cord before inspecting and servicing unit.All repairs should be left to professionals. RISK OF BACKFIRE AND INDOOR POLLUTION.
  • Page 14: Section F

    10. TEMPERATURE AND PRESSURE RELIEF VALVE (ONCE A MONTH) The temperature and pressure relief valve may become immovable at times due to corrosion of pipes or mineral deposits In the pipes. Pull up the lever of the temperature and pressure relief valve every month and make sure the valve is movable.
  • Page 15 PROBLEM POWER LAMP FAILS Disconnected power supply cord TO TURN ON Flame sensor malfunction WARNING LAMP Light on Flame Sensor LIGHTS AFTER Thermistor malfunction TURNING ON. BLOWER MOTOR Abnormal location and adjust- ment of electrode OPERATES, NO IGNITION Igniter malfunction. Abnormal lowering of electrical voltage Out of fuel...
  • Page 16: Limited Warranty

    WHO IS COVERED : The original purchaser at retail. WHAT WE WILL DO : TOYOTOMI will either repair or replace, at its option, all defective parts free of charge that are covered by this limited warranty on a carry-in basis, to your nearest authorized dealer or distributor of TOYOTOMI.

Table of Contents