Page 40
Jandy
®
JXi
™
Gas-Fired Pool and Spa Heater | Installation & Operation Manual
8.5 Operating the Controller
Unless the heater is connected to a remote
controller, all operations are set up and programmed
through the control panel on the top of the heater.
See Figure 22.
NOTE: The display light reverts to OFF after two minutes
of inactivity since the last key was pressed.
SPA
MENU
POOL
GAS HEATER IS OFF
PRESS POOL OR SPA
Figure 22. Main Control Panel
8.5.1 Setting Up Heater Option
NOTE: Verify the heater is OFF before programming.
Before using the heater for the first time, set up the
following options:
• Languages: Set a display language
• Temperature Scale: Set temperatures to be
displayed in either Celsius or Fahrenheit scale
• Display Light Timeout: Set the display light to
turn off after a specific interval of inactivity
To Program the Display Language:
MENU > SELECT USER SETUP LANGUAGE >
MENU > SELECT LANGUAGE ENGLISH (UP or
DOWN for different language) > MENU (save) >
POOL or SPA (exit)
SELECT LANGUAGE
ENGLISH
To Program the Temperature Scale (°F or °C):
MENU > SELECT USER SETUP TEMPERATURE
SCALE > MENU > SELECT TEMP SCALE °F (UP or
DOWN for °F or °C) > MENU (save) > POOL or SPA
(exit)
SELECT TEMP SCALE
°F
To Program Display Light to Turn Off
Automatically:
MENU > SELECT USER SETUP DISPLAY LIGHT >
MENU > SELECT DISPLAY LIGHT 2 MIN TIMEOUT
(UP or DOWN for timeout length) > MENU (save) >
POOL or SPA (exit)
SELECT DISPLAY LIGHT
2 MIN TIMEOUT
8.5.2 Operating the Heater
To Turn On Pool or Spa Heat:
POOL or SPA > UP or DOWN to change current
temperature
NOTE: Five (5) seconds of inactivity will store the new
temperature setpoint.
SET: 80°F
To Turn the Heater Off:
• POOL to enter Pool Heat Mode > POOL to turn
Off Pool Heat Mode
• SPA to enter Spa Heat Mode > Spa to turn Off
Spa Heat Mode
When the control panel is OFF, the screen displays:
GAS HEATER IS OFF PRESS POOL OR SPA.
• Temperature Set Point Lock
Once you have programmed pool temperature and
spa temperature set points, you can lock them so
that they may not be changed inadvertently.
• POOL or SPA > UP or DOWN to change current
temperature
• Press UP and DOWN buttons simultaneously
for seven (7) seconds to lock or unlock current
temperature setpoint
NOTE: Lock or unlock function depends on current
temperature setpoint status.
SET POINT LOCKED
SETPOINT UNLOCKED
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