Bradford-White Corp 9kW Water Heater User Manual


 
initial operation. Operation of a water heater
without a completely filled tank may result in
serious damage to the appliance and heating
element burn out.
5. The water heater should be connected with a
separate grounded branch circuit with over
current protection and disconnect switch. The
water heater should be grounded in accordance
with national and local codes. A ground
terminal is provided for ground connection only.
6. Provide the appliance with proper overload
protection in the branch circuit. It is suggested
that the electrician size the branch circuit at 125
percent of the heater ampere rating and further
increase wire size as necessary to compensate
for voltage drop in long runs. Branch circuit
voltage drop should not exceed 3% at the heater.
7. Voltage applied to the heater should not vary
more than +5% to -10% of the model and
rating plate marking for satisfactory operation.
8. A wiring diagram is provided with the water
heater for the electricians use.
Outer Jacket The outer jacket assembly is
constructed from steel, galvanized on both sides.
The galvanized surface is specially prepared and
phosphate coated to allow application of a
multiple coat enamel paint process. This coating
process insures a long life from the jacket
assembly.
Your commercial electric water heater is
equipped with the following as standard
equipment.
Low watt density immersion heating
elements with an incoloy sheath.
Internal fusing of all elements in a
maximum of 48 amp increments provides
additional safety. Fuse cartridges are
related at 1,000,000 amps interrupting
capacity.
A galvanized steel outer jacket and
electrical control panel are provided.
Channel iron skid base.
Electrical control panel is provided with a
hinged door and key lock.
A glass lined steel tank constructed to
ASME specifications and provided with
magnesium anode(s).
ASME rated temperature and pressure relief
valve provided by factory to insure safe
heater operation.
Terminal block connections are installed by
the factory for safe easy wiring connection.
Manual reset high water temperature limit
control.
Immersion thermostat (one per 54kW of
input as standard).
180˚F (82.2˚C) temperature operation is possible
to provide water for sanitizing applications.
Insulated to meet the latest edition of
ASHRAE 90.1 energy efficiency
standards.
3 year limited warranty provides protection
against failure of tanks due to defects in
material and workmanship in commercial
application.
Underwriters Laboratories, Inc. listing for
all models as a commercial electric water
heater.
10
JACKET ASSEMBLY
Never turn on the electric
power or attempt to use this electric water
heater unless it is completely full of water.
Water must flow from the hot water faucet
before turning electrical power ON.
Operation of a water heater without a
completely filled tank may result in serious
damage to the appliance and heating
element burn out
CAUTION:
STANDARD EQUIPMENT