Toyotomi Oil Miser OM-148 Installation Manual
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Toyotomi Oil Miser OM-148 Installation Manual

Instantaneous oil-fired water heater type b
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Instantaneous Oil-Fired Water Heater
IMPORTANT
THIS APPLIANCE SHOULD BE INSTALLED BY A LICENSED, AUTHORIZED PERSON(S) DUE TO THE
NECESSITY OF MAKING ELECTRICAL, WATER AND FUEL CONNECTIONS. RETAIN THIS MANUAL 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.
Safety Tips for Installation ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 1
Unpacking ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 2
Standard Installation Parts ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 2
Accessory Parts ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 2
Dimensional Outline⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 3
Selecting a Location ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 4
Tools Needed for Installation ⋯⋯⋯⋯⋯⋯⋯ 4
Fuel Tank Installation ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 5
Removing Air Trap ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 6

Installation Manual

OM-148
MODEL
(Type B)
CONTENTS
Temperature and Pressure Relief
Permanent Wiring Installation ⋯⋯⋯⋯⋯⋯⋯ 6
Plumbing ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 7
Preparation ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 12
Operation ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 12
Chimney Installation ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 13

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Summary of Contents for Toyotomi Oil Miser OM-148

  • Page 1: Table Of Contents

    Instantaneous Oil-Fired Water Heater Installation Manual OM-148 MODEL (Type B) IMPORTANT THIS APPLIANCE SHOULD BE INSTALLED BY A LICENSED, AUTHORIZED PERSON(S) DUE TO THE NECESSITY OF MAKING ELECTRICAL, WATER AND FUEL CONNECTIONS. RETAIN THIS MANUAL FOR FUTURE REFERENCE. CHECK LOCAL CODES AND ORDINANCES FOR PERMITTED USE.

  • Page 2: Section A

    SECTION A: SAFETY TIPS FOR INSTALLATION 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: Section B

    SECTION B: UNPACKING UNPACKING Unpack the unit carefully. Check to see if there are any loose screws that may have occurred in transit. Take accessories and the instruction manual out of the carton. STANDARD INSTALLATION PARTS The following standard installation kits are available: •...

  • Page 4: Dimensional Outline

    DIMENSIONAL OUTLINE Hot water Supply 5-1/8" 5-1/8" Outlet (130mm) (130mm) (NPT 3/4) Male Water Supply Inlet (NPT 3/4) Male 3/16" (5mm) Air Intake Inlet Exhaust Outlet 2-3/4"( 70mm) 2-3/4"( 70mm) 12-5/8"(320mm) Access Cover Temperature and Pressure Relief Valve Installation Mouth (NPT 3/4) Female Front Panel Junction Box...

  • Page 5: Section C

    SECTION C: INSTALLATION WARNING: This unit must be installed in accordance with these instructions, local codes, ordinances and/or in the absence of local codes, the latest edition of the national fire protection association (NFPA31) code. Check and comply with all state, local codes and ANSI (AMERICAN NATIONAL STANDARD INSTITUTE) Z21.22 that may apply to water heater(s) before beginning the installation.

  • Page 6: Fuel Tank Installation

    FUEL TANK INSTALLATION The fuel tank must be purchased separately and installed by a qualified fuel supply technician. NOTE: Fuel tank installation must comply with National Fire Protection Association Code NFPA 31 or local- ly applicable codes. Check with local building officials. The following instructions should be followed for installation of a large capacity, gravity-fed fuel tank.

  • Page 7: Removing Air Trap

    REMOVING AIR TRAP When operating for the first time or when refueling an empty tank, air may be trapped in the fuel line, mak- ing ignition difficult. In this situation, after removing the trapped air thoroughly from the fuel filter at the fuel tank outlet, follow the procedures below: Press "POWER SWITCH"...

  • Page 8: Plumbing

    WARNING: Plumbing should conform to proper plumbing methods, and in conformance with local codes or regulations. A licensed plumber familiar with local codes and ordinances should install the OM-148. CAUTION: An ANSI listed temperature and pressure relief valve should be installed at the hot water outlet connection of the heater at the time of installation.
  • Page 9 Connecting plumbing to the unit, hold unit fittings securely with a wrench to prevent damage to the unit. Installation of a water strainer and the air release valve is recommended. The distance between the water heater and places where hot water is used should be as short and direct as possible, and a uniform pipe size of sufficient diameter to carry the full capacity of hot water should be used.

  • Page 10: Installation Of Unit And Flue Pipe

    INSTALLATION OF UNIT AND FLUE PIPE SAFETY TIPS FOR UNIT AND FLUE PIPE INSTALLATION WARNING: The flue pipe opening must be fully exposed to outside air. Do not vent into a garage, basement under the floor, or into any enclosed area. Do not install the flue pipe in close proximity to other objects or materials.
  • Page 11 NOTE: Make sure wall thickness is not greater than 10-1/2 inches. Flue pipe can be installed through any standard building materials. Please ask your local dealer or distributor for more details. For standard installation, position the hole for the flue pipe. NOTE: The water heater should be installed on a sturdy floor that is level and flat.
  • Page 12 Slide the insulating cloth cover over the flexible exhaust pipe and the flexible bent joint. Insulating cloth cover NOTE: When disconnecting the extension pipe (such as flexible pipe and flexible bent joint), pull the pipe by turning it clockwise. Remove the screw from the exhaust opening of the unit. Insert the flexible exhaust pipe to the exhaust opening and secure them with the screw.

  • Page 13: Section D

    0- /2 in. (270 mm) maximum Inner flue pipe Rubber joint Hose band Flange gasket 4~ 0- /2 in. ( 00~270 mm) Insulating cloth cover Outer flue pipe Flexible bent joint Tight band Inner sleeve flange Inlet hose Rubber joint Aluminum tape Flexible exhaust pipe Hose band...

  • Page 14: Section E

    Check with your local dealer or licensed installer. Connecting the OM-148 hot water heater with two or more appliances using the same chimney flue may affect the performance of the hot water heater. Check with your dealer for other installation options.
  • Page 15 Exhaust Pipe Adapter #20476410 #20476409 Outside Air Intake Opening OM-148 Fig. 1 INSTALLATION OF EXHAUST PIPE ADAPTER Remove the screw from the exhaust outlet of the unit. Insert the Exhaust Outlet exhaust pipe adapter to the exhaust outlet and secure with the screw.
  • Page 16 TOYOTOMI U.S.A., INC. 604 Federal Road, Brookfield, CT 06804 www.toyotomiusa.com This manual supersedes earlier editions. PART No.20476693 Printed in Japan Rev. 11/06 4731003052...

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