Reliance 9 50 DHRT 50 Gallon Smart Tall Electric Water Heater With Leak Detection And Optional Shut Off Valve 950DHRT

User Manual - Page 26

For 9 50 DHRT.

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26 • Residen al Electronic Thermostat Electric Water Heater Use and Care Guide
MAINTENANCE
months of opera on when you drain and
ush the tank. Replace the anode rod if
it is substan ally worn out or depleted.
Therea er, inspect the anode rod annu-
ally or more frequently if needed. If you
use a water so ener, your anode rod
will deplete faster than normal. Inspect
the anode rod more frequently, replac-
ing the anode rod as needed. Obtain
new anode rods from your local your
local plumbing supplier or have a quali-
ed person replace it. (Anode rods are
a consumable item and are not covered
under warranty).
8
If the sediment was present
when the tank was drained,
ush the tank by opening the
cold water supply valve and le ng the
water run un l no more sediment
drains from the tank. Close the drain
valve when you are done.
NOTICE: Do not turn power back on
un l the tank is completely full of wa-
ter. For complete instruc ons on lling
the tank, follow Step 8 in the Installa-
on sec on.
9
Re ll the tank by opening the
cold water supply valve. Make
sure a hot water faucet is
open and the drain valve is closed.
Allow the hot water to run full for at
least three minutes to make sure the
tank has all the air removed and is
completely full of water. Failure to
perform this step can ac vate the
Dry-Fire diagnos c code. Once you are
certain the tank is completely full of
water, close the hot water faucet.
10
Restore power to the water
heater. It may take two hours
for the tank to heat up.
Replacing the Hea ng Element
WARNING! Working on an ener-
gized circuit can result in severe injury
or death from electrical shock. Turn
power o . Check wires with a non-
contact circuit tester to make sure
power is o . When you are nished,
be sure all covers are secured to
reduce the risk of re and electric
shock.
If you are not comfortable replacing a
hea ng element or thermostat your-
self, have this work done by a quali ed
person. To replace the hea ng ele-
ment, you’ll need the following tools
and supplies:
Figure 31 -Non-Contact Circuit Tester
• Always turn power OFF and check
the power wires with a non-contact
circuit tester before working on the
water heater.
Figure 32 -Heating Element (with gasket)
Check your water heaters data plate
for the correct wa age and voltage.
Hea ng elements are available at
your local plumbing supplier.
Figure 33 -Element Wrench
Some regular sockets (1 1/2 inch)
may work, but regular sockets are
o en beveled and may slip. Inexpen-
sive element wrenches are available
at your local plumbing supplier.
• Garden hose to drain the tank
Hand dishwashing soap to lubricate
the gasket
A clean cloth to clean the threaded
opening
A at blade and a Phillips screwdriver
Steps for Replacing the Hea ng
Element:
NOTE: A diagnos c code (Pg.20) should
indicate if the upper or lower element
has failed.
1
Turn the power OFF at the
circuit breaker or remove fuses.
Figure 34 -Circuit Breaker
2
Open the electrical junc on
box on top of the water
heater. Using a non-contact
circuit tester, check the power wires to
make certain the power is OFF.
Figure 35 -Non-Contact Circuit Tester
3
Open a hot water faucet and
let the hot water run un l it is
cool.
Figure 36 -Water faucet
MAINTENANCE
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