Specifications
Legacy™ Model LRZM Pool/Spa Heater
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Installation and Operation Manual
If the pilot goes out, repeat steps 5 through 7 in
Section 8.3.1.
1. To turn the main burner off, turn the rocker
switch to OFF.
2. To turn the heater off (including the pilot), turn
the gas valve knob to the OFF position.
The temperature control (see Figure 20) is
calibrated at the factory and covers a range from
approximately 21°C to 40°C (70°F to 104°F). Use an
accurate pool thermometer to determine the best water
temperature for your use.
The Legacy temperature control panel has a
rocker switch to turn the heater on and off. It also has
a rotary dial to set the desired thermostat setting (see
Figure 20).
Once the heater has been lit by following the
safety and lighting procedures in Section 8.3, set the
toggle switch on the control panel to "ON" to start the
heater operation. If the heater senses that the pump
is on and the thermostat setting is higher than the
temperature of the pool/spa water, the pilot will ignite
the main burners.
In order to prevent property damage, the heater is
designed to run only when the lter pump is run-
ning. If the heater does not immediately turn off
when the pump turns off, turn the heater off at the
control panel. The heater's pressure switch may
need adjusting (see Section 11.5)
2. Turn the gas control knob clockwise until it stops
at the OFF position (see Figure 19).
3. Wait ve (5) minutes before lighting the pilot.
4. Turn the knob on the gas valve counterclockwise
to PILOT, then push the control knob all the way
and hold down. Push the button of the sparker,
repeating until conrming that the pilot lights by
observing the reection on the burner tray mirror.
Continue to hold the control knob in for about
one (1) minute after the pilot is lit. If it goes out,
repeat Steps 3 and 4.
5. Release the control knob and verify that the pilot
is lit.
6. If the pilot burner does not remain lit when the
button is released, press and release the red
button. Wait at least three (3) minutes and then
repeat the lighting procedure from step 4.
7. If the pilot cannot be established, check that the
pilot burner ame correctly envelops the thermo-
couple tip by 10 to 13 mm. If not, check that the
pilot adjustment screw on the gas control (see
Figure 19) is fully unscrewed, then turn it one (1)
turn back in. Check that the thermocouple lead
connections at the gas control and at the overheat
thermostat are clean and secure. Repeat from
Step 4.
8. Turn gas valve knob to ON. Replace the service
door.
9. Turn the rocker switch to ON.
10. Set temperature control to against the Temp-Lok
tab. The main burner should light. Until the water
reaches a temperature of about 21°C (70°F), it is
normal to have some water accumulating in the
base of the heater.
11. Set the time clock, if one is installed.
H0286600
Control Knob
with OFF, Pilot
and ON Position
Regulator
Pilot Adjustment