Zodiac Legacy LRZ, Installation And Operation Manual

page 24

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Legacy™ Model LRZM Pool/Spa Heater   

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   Installation and Operation Manual

8.3.2  relighting the Heater

If the pilot goes out, repeat steps 5 through 7 in 

Section 8.3.1.

8.3.3  shut-down procedure

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.

8.4 

turning the Heater on/off and  

setting the temperature Control

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.

 Caution

In order to prevent property damage, the heater is 

designed to run only when the filter pump is run

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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 five (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 confirming that the pilot lights by 

observing the reflection 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 flame correctly envelops the thermo

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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.

Figure 20.  temperature Control

H0286600

Figure 19.  natural Gas/propane Control Valve

Control Knob

with OFF, Pilot

and ON Position

Regulator

Pilot Adjustment