Instantaneous Oil-Fired Water Heater
Installation Manual
MODEL OM-148
(Type B)
CONTENTS
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.
SECTION A:
Safety Tips for Installation ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 1
SECTION B:
Unpacking ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 2
Standard Installation Parts ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 2
Accessory Parts ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 2
Dimensional Outline⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 3
SECTION C:
Installation
Selecting a Location ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 4
Tools Needed for Installation ⋯⋯⋯⋯⋯⋯⋯ 4
Fuel Tank Installation ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 5
Removing Air Trap ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 6
Temperature and Pressure Relief
Valve Installation ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 6
Permanent Wiring Installation ⋯⋯⋯⋯⋯⋯⋯ 6
Plumbing ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 7
Installation of Unit and Flue Pipe⋯⋯⋯⋯⋯⋯ 9
SECTION D:
Test Run
Preparation ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 12
Operation ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 12
SECTION E:
Chimney Installation ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 13
OM-148(in/E) 06.9.19 1:09 PM ページ b
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