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CONTROL DESCRIPTION
The fully integrated water heater control is an all elec-
tronic, fully automatic controller which will provide many
years of trouble free service. The control requires no
periodic maintenance and includes a built-in micro-
processor which performs a number of diagnostic tests to
verify proper appliance and control operation. Should an
unsafe condition occur, the burner will shut down and the
appropriate status indicators will illuminate indicating the
need for service. Consisting of two printed circuit board
assemblies, the controller's main board is attached to the
inside left of the shroud while the display board is mount-
ed to the front top of the shroud. This arrangement sim-
plifies access for the user adjustments while enhancing
the visibility of the temperature display and status indica-
tors. A power step-down transformer and blower pres-
sure switch are also mounted on the inside left of the
shroud. The controller display functions include a high
visibility three digit LED readout which is used to display
the actual water temperature within the tank along with
the programmed desired water temperature (set point
temperature). Nine individual LED indicators are also
mounted on the display board which are used to deter-
mine the operating status of the appliance and provide
assistance when troubleshooting any problems which
may occur. All indicators are of the solid state variety and
should last for the life of the appliance. The controller
has sufficient built-in memory to retain the programmed
temperature set point in the event power is ever inter-
rupted. The final component of the control system
includes a temperature sensing probe which is threaded
into the side of the tank. This probe is of unique con-
struction in that both the temperature sensing/control and
safety limit functions are performed by this single device.
All probe components are of solid state construction to
provide extended operational life.
START UP PROCEDURE
(NEVER APPLY POWER TO AN ADVANTAGEPLUS
UNIT THAT IS NOT COMPLETELY FILLED WITH
WATER)
1. Make sure that the AdvantagePlus has been installed
to these instruction procedures along with all applicable
state and local codes.
2. Make sure all gas piping and connections have been
verified and inspected by all applicable inspectors. Turn
on gas supply. Ensure that the gas line and the LP tank,
if applicable, has been properly purged. Failure to prop-
erly purge the gas lines will result in failure to
operate.
3. Make sure that the cold water supply has been turned
on and the AdvantagePlus is completely filled with water.
Verify by opening a hot water faucet, or purging at the
dishwasher, and allowing water to flow until all air is
removed and a clear water flow is present.
NEVER PURGE FROM THE T&P
VALVE.
4. Turn on electrical supply.
5. The control will first display "102", then "88.8", which is
the control test, and finally the actual tank temperature at
the probe.
TEMPERATURE SET POINT ADJUSTMENT
PROCEDURE
When this water heater is supplying general purpose
hot water requirements for individuals, a thermostat-
ically controlled mixing valve for reducing point of
use water temperature is recommended. Contact a
licensed plumber or the local plumbing authority for
further instructions.
The three digit LED display will illustrate actual water
temperature within the tank under normal operating con-
ditions. However, this display is also used to indicate the
temperature set point when in the programming mode.
The controller has a temperature set point range of 70°F
to 160°F (Booster models have a maximum set point of
180°F), with a factory setting of 120°F.
NOTE: Power must be applied to the controller prior
to any programming operations.
To change or access the programmed temperature set
point value, utilize the red button on the display panel.
Momentarily depressing the button will briefly illustrate
the existing set point value. If the button is held down for
more than one second, the programming mode is
entered and the set point value will begin incrementing by
one degree per second. When the desired set point
value is reached, simply release the button and the con-
troller will automatically retain this value in temporary
memory. After 30 seconds, this new set point will be
retained in permanent memory
.
NOTE: If power is interrupted during this 30 second
period, the new set point will not be retained in per-
manent memory. It is a good practice to re-check the
set point value approximately 60 seconds after a new
value has been entered.
If the button is held down, the maximum set point will
reach 160°F (180°F on Booster models) and stop. This is
the maximum value. At this point, if the desired set point
has not been obtained, release the button and depress it
again, the set point will decrement down to 70
0
F and
stop. The set point value will now restart at 70
0
F and
once again increase in value for as long as the button is
pressed.
11
OPERATION
WARNING
!