Commercial Electric Water Heaters • 7
INTRODUCTION
Thank You for purchasing this water heater. Properly installed and
maintained, it should give you years of trouble free service.
Abbreviations Found In This Instruction Manual:
• AHRI - Air Condition, Heating and Refrigeration Institute
• ANSI - American National Standards Institute
• ASME - American Society of Mechanical Engineers
• NEC - National Electrical Code
• NFPA - National Fire Protection Association
• UL - Underwriters Laboratory
PREPARING FOR THE INSTALLATION
Turn off power to the water heater
before performing any service.
Electrical Shock Hazard
•
Label all wires prior to disconnecting
when performing service. Wiring errors
can cause improper and dangerous
operation.
•
Verify proper operation after servicing.
•
Failure to follow these instructions can
result in personal injury or death.
•
1. Read the “General Safety Information” section of this manual rst
and then the entire manual carefully. If you don’t follow the safety
rules, the water heater may not operate safely. It could cause
DEATH, SERIOUS BODILY INJURY AND/OR PROPERTY
DAMAGE.
This manual contains instructions for the installation, operation,
and maintenance of the electric water heater. It also contains
warnings throughout the manual that you must read and be
aware of. All warnings and all instructions are essential to the
proper operation of the water heater and your safety. READ
THE ENTIRE MANUAL BEFORE ATTEMPTING TO INSTALL
OR OPERATE THE WATER HEATER.
Detailed installation diagrams are in this manual. These
diagrams will serve to provide the installer with a reference for the
materials and method of piping suggested. IT IS NECESSARY
THAT ALL WATER PIPING AND THE ELECTRICAL WIRING
BE INSTALLED AND CONNECTED AS SHOWN IN THE
DIAGRAMS.
Particular attention should be given to the installation of
thermometers at the locations indicated in the diagrams as
these are necessary for checking the operation of the heater.
Be sure to turn o power when working on or near the electrical
system of the heater. Never touch electrical components with wet
hands or when standing in water. When replacing fuses always
use the correct size for the circuit. See Table 4 (page 15).
The principal components of the heater are identied in Features
and Components (page 8). The model and rating plate
interprets certain markings into useful information. See Model and
Rating Plate (page 10) .Both of these references should be used
to identify the heater, its components and optional equipment.
2. The installation must conform with these instructions and the
local code authority having jurisdiction and the requirements
of the power company. In the absence of local codes, the
installation must comply with the current editions of the National
Electrical Code, NFPA 70 or the Canadian Electrical Code CSA C22.1.
The National Electrical Code may be ordered from: National Fire
Protection Association, 1 Batterymarch Park, Quincy, MA 02269.
The Canadian Electrical Code is available from the Canadian
Standards Association, 8501 East Pleasant Valley Road,
Cleveland, OH 44131.
3. If after reading this manual you have any questions or do not
understand any portion of the instructions, call the toll free number
listed on the back cover of this manual for technical assistance.
A sample rating plate is shown in Model and Rating Plate (page
10). In order to expedite your request, please have full model
and serial number available for the technician.
4. Carefully plan your intended placement of the water heater.
Examine the location to ensure the water heater complies with
the Locating the Water Heater (page 11).
Installation and service of this water heater requires ability
equivalent to that of a licensed tradesman or qualied agency. in
the eld involved. See Important Denitions (page 3). Plumbing
and electrical work are required.
5. For installation in California this water heater must be braced or
anchored to avoid falling or moving during an earthquake. See
instructions for correct installation procedures. Instructions may
be obtained from California Oce of the State Architect, 1102 Q
Street, Suite 5100, Sacramento, CA 95811.
6. Massachusetts Code requires this water heater to be installed in
accordance with Massachusetts 248-CMR 2.00: State Plumbing Code
and 248-CMR 5.00.
GENERAL
The installation must conform with these instructions and the local
code authority having jurisdiction and the requirements of the power
company. In the absence of local codes, the installation must comply
with the current editions of the National Electrical Code, NFPA 70 or the
Canadian Electrical Code CSA C22.1. The National Electrical Code may be
ordered from: National Fire Protection Association, 1 Batterymarch
Park, Quincy, MA 02269. The Canadian Electrical Code is available from
the Canadian Standards Association, 8501 East Pleasant Valley
Road, Cleveland, OH 44131.
Note: To comply with NSF Standard 5 installation requirements the
bottom of the water heater must be sealed to the oor with a
silicone based sealant or elevated 6 inches above the oor.
Do NOT test electrical system before heater is lled with water,
follow the procedures in Start Up and Operation (page 17).
The principal components of the heater are identied in the
Features and Components (page 8).
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