Page 38
Jandy
®
JXi
™
Gas-Fired Pool and Spa Heater | Installation & Operation Manual
8.2 First-Time Start-Up Procedure
WARNING
Vent pipes and heater tops get hot! These surfaces can cause serious
burns. Do not touch these surfaces while the heater is in operation.
Do not use this heater if any part has been under water. Immediately
call a qualifi ed service technician to inspect the heater and replace
any part of the control system and any gas control which has been
under water.
Should overheating occur or the gas supply fail to shut off, turn off the
manual gas control valve to the heater.
Do not attempt repairs on the gas controls or appliance. Tampering is
dangerous and voids all warranties
• Confi rm that pool water is fl owing normally
through the pool system and equipment.
• If it is a new pool or spa installation, operate the
fi lter pump with the heater off long enough to
completely clean the water. This will remove any
installation residue from the water.
• Clean the fi lter before starting the heater.
• Start the heater in either Pool or Spa mode. See
Figure 21.
• Start the heater. See Figure 21.
• When the heater starts, confi rm there is adequate
water fl ow. See Section 5 for details.
8.2.1 Operating Instructions
Refer to the Lighting and Shutdown Instructions. See
Figure 21 located inside the top panel.
• STOP! Read IMPORTANT SAFETY
INFORMATION in previous section.
• This appliance is equipped with an ignition device
which automatically lights the heater. Do NOT try
to light the burner by
hand.
• Set temperature
thermostat controls
to their lowest setting
and turn off the
controller. Make sure
the display shows
GAS HEATER IS OFF.
• Turn off all electrical
power to the heater at
the junction box.
• Remove the heater
rear or top panel.
• Toggle gas control
switch to OFF position. See Figure 20.
Gas Valve
Control Switch
Figure 20. Gas Valve
• Wait fi ve (5) minutes to clear out any gas, then
smell for gas, including near the fl oor. IF YOU
SMELL GAS, STOP! Follow instructions in Section
8.1.1.
• If no gas is detected, toggle gas control switch
to the ON position.
• Replace the rear panel or top.
• Turn on electrical power to the heater.
• Turn the controller ON by pressing POOL or SPA
and set the temperatures as necessary.
NOTE: If the heater does not start, check that the fi lter
pump is ON, the fi lter is clean and that water is
fl owing to the pool. If the heater still does not
operate, follow the procedure in Section 8.3 to
turn off gas supply to the heater.
WARNING
When the heater is fi red for the fi rst time, the combustion chamber
refractory binder material is driven out by the heat of the fl ame. White
smoke and/or sharp odors may be emitted from the vent during this
period. Do not inhale combustion product fumes at any time, and
especially when these fumes are being emitted. This “burn-in” period
will last only a few minutes.
8.2.2 If Ignition Is Unsuccessful
If ignition is unsuccessful, or the fl ame fails during
normal operation, the ignition control shuts off the
gas valve. The heater will then go through a post
purge process and attempt to establish stable
combustion two additional times. If ignition is
unsuccessful after three attempts, the system shuts
down and will automatically attempt to restart after
one hour.
• To reset the heater to provide three (3) attempts to
start:
• Turn OFF the control then turn it back ON.
• Access either the Pool or Spa mode.
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