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All values in the memory of the controller may be
reset to the default values at any time by depressing
and holding the 'ENTER' key for at least 7 seconds.
Default values are listed in Table 6.
Before starting your heater be sure to read and
become familiar with the Lighting and Shutdown
instructions in the previous section. Instructions are
also located on the inside of your heater.
7.4.1 Normal Operation
Be sure that the 'NORMAL' icon is displayed in
the upper left corner of the LJ controller display
screen. If it is not, depress the MODE key repeatedly
until the icon appears.
The heater is now in the normal operating mode.
Press the SELECT key repeatedly to toggle
between the 'POOL', 'SPA', and 'OFF' settings until
either the 'POOL' or 'SPA' icon appears above the
temperature reading.
If set to 'POOL', the pool temperature setting will
determine the temperature limit of the water. If set to
'SPA', the spa temperature setting will determine the
temperature limit of the water.
The heater is now set to come on when the pump
is running (between the programmed pump time clock
"ON" and "OFF" settings), and when there is a call for
heat (the inlet water temperature is more than 1° less
than the chosen temperature setting).
If these two conditions are met, the controller will
attempt to light the heater.
When the heater lights and the controller senses
flame at the burners, the 'FLAME' icon will appear on
the left side of the controller display above the tem-
perature reading.
If the heater fails to ignite, it will attempt the
ignition two more times. If the heater fails to ignite
after the third try, the controller will lock out any
further attempts to light the heater. The controller will
show the service code 'FL 2' where the temperature
reading would normally be seen and the service icon
will appear in the center of the display (see
Section 9.2.1 "SERVICE CODES").
The controller also checks the power supply
voltage. If the voltage is insufficient to run the heater
properly (brown-out condition), the controller will
display the service code 'FL 5' and the service icon
(see Section 9.2.1 "SERVICE CODES").
When the controller is in the 'NORMAL' mode,
the heater will operate whenever the 'POOL '
or 'SPA' mode is chosen via the SELECT key,
the pump is on and there is a call for heat. Between
the programmed "ON" and "OFF" times set for the
pump time clock, the heater will operate automatically
if in the 'POOL' or 'SPA' mode. Outside of the
programmed "ON" and "OFF" times set for the pump
time clock, the pump must be turned on by pressing the
'PUMP' key. If not using the LJ controller pump time
clock, the external time clock must first be activated.
7.4.2 Pump Operation
The LJ controller allows two options for pump
control. It can allow operation of the pump by an
external time clock when it is set in the “External Time
Clock” mode (see Section 7.4.2.1). To operate in the
“External Time Clock” mode the controller must be
programmed with the factory default values indicated
in Table 6.
The LJ controller can also operate the pump in
the “Internal Time Clock” mode using it’s own internal
time clock to turn the pump on and off. This mode
requires the installation of the optional Jandy relay,
part number R0658100 (Refer to Figure 16 for wiring
diagram).
7.4.2.1 Pump Operation in “External
Time Clock” Mode
The heater is in the “External Time Clock” mode
when the controller's pump time clock is programmed
to turn on at 12:00 am and turn off at 11:59 pm. In this
mode, when ‘NORMAL’ is shown on the display, the
pump operation is controlled by the external time
clock. When in the "External Time Clock" mode, the
controller does not display the 'Real Time'. Instead,
three dashes (– – –) are displayed.
When using an external time clock to control the
filter pump operation, it is recommended that the time
clock have its own low voltage (Fireman’s) switch to
turn off the heater before turning off the pump. The
switch should shut off the heater at least 5 minutes
before the filter pump shuts off. This will allow for a
more efficient operation by removing any residual heat,
contained in the heat exchanger, back to the pool.
Table 6. LJ Controller Factory Default Settings
OR
CONTROLLER
PARAMETERS
CONTROLLER DEFAULT
VALUES
Real Time CLOCK Setting 1:00 (PM)
SPA Temperature Setting 102°F
POOL Temperature Setting 80°F
FREEZE Temperature Setting 38°F
Temperature Scale Setting
(°F/°C)
°F
Pump Time Clock "ON"
(PROGRAM)
12:00 AM
Pump Time Clock "OFF"
(PROGRAM)
11:59 PM
Heater Status OFF
Pump Status ON
NORMAL
POOL SPA
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