4
table of contents
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:
• ANSI - American National Standards Institute
• ASME - American Society of Mechanical Engineers
• AHRI - Air-Conditioning, Heating and Refrigeration Institute
• NEC - National Electrical Code
• NFPA - National Fire Protection Association
• UL - Underwriters Laboratory
preparInG for the InstallatIon
1. Read the “General Safety” section of this manual first 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 off 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 page 12
through 14.
The principal components of the heater are identified on page 6.
The model and rating plate on page 7 interprets certain markings
into useful information. 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 code requirements,
follow NFPA-70 (current edition). The National Electrical Code
may be ordered from: National Fire Protection Association, 1
Batterymarch Park, Quincy, MA 02269.
3. If after reading this manual you have any questions or do not
understand any portion of the instructions, call the toll free
number on the back cover for further assistance.
A sample rating plate and barcode tag are shown on page 3 of this
manual. In order to expedite your request, please have the serial
number and item ID from the barcode tag 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 New Water Heater” section in this manual.
Installation and service of this water heater requires ability
equivalent to that of a licensed tradesman or qualified agency
(page 2) in the field involved. 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 Office 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.
SAFE INSTALLATION, USE AND SERVICE...........................................................2
GENERAL SAFETY INFORMATION .......................................................................3
Precautions ....................................................................................................3
Hydrogen Gas (Flammable) ...........................................................................3
INTRODUCTION .....................................................................................................4
Preparing for the Installation ..........................................................................4
DIMENSIONS AND CAPACITIES DATA .................................................................5
FEATURES AND COMPONENTS ..........................................................................6
APPROVALS ...........................................................................................................7
MODEL AND RATING .............................................................................................7
LOCATING THE NEW WATER HEATER ................................................................7
Facts to Consider About the Location ............................................................7
INSTALLATION .......................................................................................................8
Required Ability ..............................................................................................8
General ..........................................................................................................8
Contaminated Water ......................................................................................8
Circulating Pump ............................................................................................8
Temperature-Pressure Relief Valve................................................................8
Water Line Connections .................................................................................9
Closed Water Systems ...................................................................................9
Thermal Expansion ........................................................................................9
ELECTRICAL DATA ...............................................................................................10
General ........................................................................................................10
Branch Circuit ...............................................................................................10
Heater Circuits .............................................................................................10
Control Circuits .............................................................................................10
Power Circuit ................................................................................................10
WIRING DIAGRAMS .............................................................................................12
OPERATION ..........................................................................................................15
General ........................................................................................................15
Filling the Water Heater ................................................................................15
Initial Start Up ...............................................................................................15
Draining the Water Heater ...........................................................................15
TEMPERATURE REGULATION ...........................................................................16
High Temperature Limit Controls (ECO) .......................................................16
Thermostat Controls .....................................................................................16
Temperature Adjustment ..............................................................................16
CONTROL SYSTEM OPERATION .......................................................................17
Heating Element Operation ..........................................................................17
Control System Features .............................................................................17
Control System Navigation ...........................................................................17
The Desktop Screen ....................................................................................17
Temperatures Menu .....................................................................................20
Heater Status Menu .....................................................................................22
Economy Mode Setup Menu ........................................................................22
Economy Mode Settings ..............................................................................24
Alarm Output Setup Menu ............................................................................27
Display Settings Menu .................................................................................27
Heater Information Menu .............................................................................27
Current Fault / Alert Menu ............................................................................28
Fault History Menu .......................................................................................28
Fault Occurrence Menu ................................................................................28
Restore Factory Defaults Menu ...................................................................29
MAINTENANCE ....................................................................................................30
General ........................................................................................................30
Anode Inspection and Replacement ............................................................30
Temperature-Pressure Relief Valve Operation .............................................30
Flushing ........................................................................................................30
Sediment Removal .......................................................................................30
Lime Scale Removal ....................................................................................30
TROUBLESHOOTING CHECKLIST .....................................................................32
Not Enough or No Hot Water .......................................................................32
Water Is Too Hot ...........................................................................................32
Water Heater Makes Strange Sounds ..........................................................32
Leakage Checkpoints ...................................................................................32
PIPING DIAGRAMS ..............................................................................................33
NOTES ..................................................................................................................45
WARRANTY ..........................................................................................................47